MOBILE COMMUNICATIONS

Mobile communication is the application of wireless technology in the access network. It offers many useful features,

• Easy installation for rapid roll out

• Proven platform with scalability

• Future proof

• Reliable and secure

• Mobility

It is a very rapidly growing and popular service which was revolutionised telecommunications. It has become a backbone for business success and efficiency. It connects subscribers to the public switched telephone network(PSTN) using radio signals as a substitute for copper.it allows any body to communicate with any one while on the move.

Different technologies emerged for different types of requirements-coverage, capacity, mobility, bandwidth.

GSM

CDMA

CORDECT

PHS

AMPS,DAMPS

EVOLUTIONS OF MOBILE COMMUNICATIONS:-

FIRST GENERATION(1G):ANALOG CELLULAR:-

The introduction to cellular systems in the late 1970s and early 1980s represented a quantum leap in mobile communication(especially in capacity and mobility). Semiconductor technology and microprocessors made smaller and lighter weight , and more sophisticated mobile systems a practical reality for many more users. These 1G cellular systems still transmit only analog voice information. The most prominent 1G systems are ANALOG MOBILE PHONE SYSTEM(AMPS), NORDIC MOBILE TELEPHONE(NMT) and TOTAL ACCESS COMMUNICATION SYSTEMS(TACS). With the 1G mobile introduction, the mobile market showed annual growth rates of 30 to 50 percent, rising to nearly 20 million subscribers by 1990.

SECOND GENERATION(2G):MOBILE DIGITAL SYSTEMS:-

The development of 2G cellular systems was driven by the need to improve transmission quality, system capacity and coverage. Further advances in semiconductor technology and microwave devices brought digital transmission to mobile communications.sppech transmission still dominates the airways,but the demands for fax,short message and data transmissions are growing rapidly. Supplementary services such as fraud prevention and encrypting of user data have become standard features that are compatible to those in fixed networks. 2G cellular systems include GSM, DIGITAL AMPS(D-AMPS),CDMA and PERSONAL DIGITAL COMMUNICATION. Today multiple 1G and 2G standards are used in world wide mobile communications. Different standards serve different applications with different levels of mobility, capability and service area standards are used only in one country or region and most are in compatible.

2G TO 3G GSM: EVOLUTION:-

Phase 1 of the standardization of GSM 900mhz band was completed by the EUROPEAN TELECOMMUNICATION STANDARD INSTITUTE (ETSI) in 1990 and included all necessary definitions for the GSM network operations. Several tele services and bearer services have been defined (including data transmission upto 9.6kbps), but only some very basic supplementary services offered. As a result, GSM standards were enhanced in phase 2 (1995) to incorporate a large variety of supplementary services that were compatible to digital fixed network integrated services digital network(ISDN) standards. In 1996, ETSI decided to further enhance gsm in annual phase 2 + releases that incorporate 3G capabilities.

LIMITATIONS IN 1G AND 2G SYSTEMS:-

• No global standards

• No common frequency band

• Low information bit rates

• Low voice quality

• No support of video

• Various categories of systems to meet specific requirements

figure shows the architecture of GSM.

INTERNATIONAL MOBILE TELECOMMUNICATIONS 2000:-

IMT:-A future standard in which a single inexpensive mobile terminal can truly provide communications any time and any where. The main characteristics of 3G systems, known collectively as IMT-2000 are a single family of compatible standards that have following characteristics

• Used world wide

• Used for all mobile applications

• Support both packet witched(PS) and circuit switched(CS) data transmission

• Offer high data transfer rates 2MBPS.

• Offer high spectrum efficiency

IMT standards has made 17 proposals to meet the requirements of 2G systems.The most important IMT-2000 proposals are the UMTS (W-CDMA) as the successor to GSM,CDMA as the interim standard 95(IS 95) successor and time division synchronous(TD-SCDMA), UNIVERSAL WIRELESS COMMUNICATIONS-136(UWC 136/EDGE) as TDMA based enhancements to DAMPS/GSM all of which are leading previous standards toward the

ultimate goal of IMT 2000. The goals of the services to be provided in 3G systems by IMT 200 is shown in figure The Global System for Mobile Communications (GSM) is now the world’s most successful wireless standard. Recent figures indicate that GSM has more than 100 million subscribers in 120 countries and attracts more than five million new users every month. There are nearly 300 GSM system operators worldwide. Current wireless or mobile systems, despite their evolution, are still constrained in terms of the data rate they can offer and their flexibility to manipulate complex, yet user-friendly multimedia services. This need presents the opportunity to the mobile radio, IT, and consumer electronics communities to offer users a mobile system capable of managing and delivering a much wider range of information services to the mass market. Elements of this opportunity include:

• An industry-wide and government commitment across the world;

• A coordinated program including spectrum, standards, and technology; and

• Synergy of communications, IT, and media workings to bring about global opportunities for businesses and consumers, while creating new ways of doing business, entertaining and informing.

A new mobile system for worldwide use is now being developed to enhance and supersede current systems. The Universal Mobile Telecommunications System (UMTS) will be an enhanced digital communications system that will provide universal communications to anyone, regardless of their whereabouts. UMTS will allow for wireless Internet access, video-conferencing, and other bandwidth intensive applications. Benefits from this new system of wireless communications are expected to be:

• Support to existing mobile services and fixed telecommunications services up to 2Mb/s;

• Support to unique mobile services such as navigation, vehicle location, and road traffic information services, which will become increasingly important in world market;

• The ability to enable the use of the system terminal from multiple environments – in the home, the office, and in the public environments -in both rural areas and city centers; and

• Provision of a range of mobile terminals – from a low cost pocket telephone to sophisticated terminals to provide advanced video and data services .

UNIVERSAL MOBILE TELECOMMUNICATION SYSTEMS(UMTS):-

INTRODUCTION:-

In January1998, the European Telecommunications Standards Institute (ETSI) decided on a single air interface standard for the proposed Universal Mobile Telecommunications System (UMTS). The system is one of the major new third-generation mobile systems being developed within the framework that has been defined by the International Telecommunications Union (ITU) and is known as IMT-2000. UMTS has been the subject of intense worldwide efforts on research and development throughout the past decade. The system has the support of many major telecommunications operators and manufacturers because it represents a unique opportunity to create a mass market for highly personalized and user-friendly mobile access to today’s information society. The system seeks to build on and extend the capability of today’s mobile, cordless, and satellite technologies by providing increased capacity and data capability as well as a far greater range of services using an innovative radio access scheme and an enhanced, evolving core network.The system will be a member of a new family of mobile telecommunications systems being developed by the ITU for deployment across the world. While using different radio frequencies in different countries, every system will offer the same set of features to users. This will allow handsets to be developed that can be carried from country to country as the user travels.

The key difference between this system and previous mobile (wireless) systems, such as GSM, is that the earlier systems were conceptually separate from the fixed (wire line) telephone network. The goal of this system is to integrate wire line and wireless systems to provide a universal communications service, such that a user can move from place to place while maintaining access to the sum set of services .

The system is intended to allow users to send and receive data at much higher bandwidths than supported by today’s GSM system. While on the move, users will be able to access remote systems at up to 144Kbps. When stationary, connections of up to 2Mbp/s will be supported through wireless access to networks, with much higher performance being possible by plugging the handset into a network socket .

ETSI has chosen aggressive timescales for the introduction of UMTS in order to meet the demands of customers. The target date for its introduction has been set as the year 2002. figure shows the architecture of UMTS.

To meet the deadline, the ETSI is following a phased approach in hopes of allowing capabilities to improve over time following the initial system introduction. At launch, terrestrial UMTS will have the capability for data rates up to 2Mb/s. However, UMTS is designed as an open system that should allow for evolution to incorporate new technologies as they become standardized.

UMTS CRITICAL TECHNOLOGIES:- Some of the critical technologies essential for the successful introduction of UMTS are described below:

1)UMTS Terrestrial Radio Access (UTRA):-

The ETSI decision in January 1998 on the radio access technique for UMTS combined two technologies. The W-CDMA for paired-spectrum bands and TD-CDMA for unpaired band². The idea was to develop a common standard to ensure an optimum solution for all the different operating environments and service needs .

The transmission rate capability of UTRA will provide at least 144 Kbit/s for full mobility applications in all environments, 384 Kb/s for limited mobility applications in the macro- and micro-cellular environments, and 2.048 Mb/s for low mobility applications particularly in micro-cellular environments. The 2.048 Mb/s rate may also be available for short range or packet applications in the macro-cellular environment, depending on deployment strategies, radio network planning, and spectrum availability.

2)Multi-mode Second Generation/UMTS Terminals:-

UMTS terminals will exist in a world of multiple standards that will enable operators to offer maximum capacity and coverage to their user base by combining UTRA with second- or third-generation standards. Therefore, operators will need terminals that are able to interwork with legacy infrastructures such as GSM/DCS2800 and DECT, as well as other second-generation, worldwide standards (such as those based on the US AMPS standard) because these may initially have more complete coverage than UMTS. Many UMTS terminals will therefore be multi-band and multi-mode. Building such terminals at a cost which is comparable to contemporary single-mode, second-generation terminals will become possible because of technological advances in semiconductor integration, radio architectures, and software radio.

3)Satellite Systems:-

At initial service launch in 2002, the satellite component of UMTS will be able to provide a global coverage capability. Implementation plans call for utilization of the S-band Mobile Satellite Service (MSS) frequency allocations identified for satellite IMT2000 and will provide services compatible with the terrestrial UMTS system .

4)SIM Cards/Smart cards:-

GSM introduced the Subscriber Identity Module (SIM) or Smart Card. SIM technology incorporates enhanced security and a degree of user customization to the mobile terminal. SIM requirements, security algorithms, card and silicon IC technology will continue to evolve up to and during the period of UMTS deployment . The smart card industry anticipates being able to offer cards with greater memory capacity, faster CPU performance, contactless operation, and greater capability for encryption. These advances will allow the UMTS Subscriber Identity Module (USIM) to add to the UMTS service package by providing portable high security data storage and transmission for users. In addition, the users will be able to store, down or upload images, signatures, personal files, fingerprint or other biometrics data through the card. Contactless cards will allow the users to perform business transactions such as electronic commerce or electronic ticketing without having to be removed from a wallet or phone .Electronic commerce and banking activities, utilizing smart cards, is expected to become widespread. Users will expect and be able to use their cards on any terminal over any network. New memory technologies can be expected to increase card memory sizes making larger programs and more data storage feasible. Several applications and service providers could be accommodated on one card. In theory, the users could decide which applications/services they want on their cards, much as they do for their desktop computers’ hard disks .

5)Internet Protocol (IP) Compatibility:-

UMTS is a modular concept that takes advantage of the trend towards convergence of fixed and mobile networks and services, enabling a host of new applications. For example, a laptop with an integrated UMTS communications module becomes a general-purpose communications and computing device for broadband Internet access, voice, video telephony, and conferencing for either mobile, office, or residential use.UMTS may well become the most flexible broadband access technology available, as it allows for mobile, office and residential use in a wide range of public and non-public networks. The system can support both IP and non-IP traffic in a variety of modes including packet circuit switched and virtual circuit². UMTS will be able to benefit from parallel work by the Internet Engineering Task Force (IETF) who is further extending its basic set of IP standards for mobile communication . New developments like IP version 6 allows parameters such as quality of service, bit rate, and bit error rate (BER), vital for mobile operation, to be set by the operator or service provider. Developments on new domain name structures are also taking place. These new structures will increase the usability and flexibility of the system, providing unique addressing for each user, independent of terminal application or location .

6)Cross platform interoperability:-

The need for the ability to transport multimedia content over various types of networks requires industry to develop cross-platform interoperability because the properties of the networks may have an effect on the content of the transmission. In many cases several different kind of networks will be cascaded (i.e. Ethernet, ATM, X.25 and UMTS) .

7)API and Development toolbox:-

It is expected that rapid development and deployment of new and innovative services will drive the UMTS market. A key enabler in this area will be the standardization of the UMTS application-programming interface (API). API allows for abstraction of both the terminal and the network. It will also provide a generic way for applications to access terminals and networks. The API will allow the same application to be used on a wide variety of terminals and will also provide a common method of interfacing applications to UMTS networks. The API will support security, billing, subscriber information, service management, call management, SIM management user interaction and content translation. It is expected that the API will build upon and extend today’s technologies (i.e. Java, Wireless Application Protocol (WAP), GSM SIM Toolkit and Internet technologies) that exploit convergence with other emerging technologies for consumer products (such as digital televisions).

8)Client server architecture:-

One of the primary drivers for UMTS is service differentiation. UMTS allows network operators to market products based on more than just coverage and

capacity issues. The key to this benefit is the ability to develop and offer new products and features in short timescales, without requiring modifications from infrastructure suppliers.

figure shows client server architecture of UMTS.

Many new developments in the IT industry are based on a client/server technology, which allows intelligence to be downloaded transparently from a server into the user’s terminal. The technology provides direct and immediate high performance user interaction and interpretation. On the other hand, tasks that must remain centralized, such as database residence, are held on central servers waiting to rapidly and efficiently respond to queries from the clients. However, in the mobile industry, intelligent terminals and USIM card will allow personalization of the user interface and provision of features not possible with basic terminals in today’s client/server networks. As roaming traffic continues to increase, the ability to provide such features independently of the serving network will become increasingly important. Existing and evolving GSM standards, such as SIM Toolkit and Mobile Execution Environment, together with other initiatives such as WAP, provide the framework for delivering this enhanced client/server approach. The user of an object-oriented language such as Java is attractive because it is platform and operating system independent, and optimizes the download .

9)Customer Care and Billing Systems:-

UMTS will operate in a very different environment than today’s mobile systems. Customer care and billing are inextricably linked. These systems must be able to effectively operate with all UMTS users and providers in a customer-friendly manner. For UMTS, a bill will no longer be just a dun but, instead, a key part of a highly sophisticated approach to customer care across all provider services. Convergence will not only require the interoperation of fixed, mobile, satellite, private and public systems but also the integration of players from non-telecommunications fields such as finance, entertainment, and the news media. This will require a harmonized solution to customer care and billing systems despite very different legacy practices.

The competitive services market will demand multiple flexible interconnections between players and roles. Seamless delivery will require a unification of management and a means to provide interworking without a prior relationship. Significantly higher levels of automation and timeliness will be required to support the billing and customer care operations. In addition, fraud management will need to be applied across the whole value chain. Charging and billing will need to mature as concepts and practices.

BENEFITS OF UMTS: what it offers?:-

Corporate use of UMTS (including global mobile access to Intranets) will be a key driver for UMTS. Businesses will demand greater flexibility for customization and more devolved service control to optimize productivity and operational efficiencies within corporate networks. UMTS subscriber and network management capabilities will offer enhanced capabilities to meet these new and evolving requirements .

The body of literature on UMTS indicates that it offers the promise of being a significant advancement in mobile communications technology. UMTS is being designed to ensure flexibility is presented to users, network operators and service developers. UMTS will offer significant benefits in communication abilities including:

• Ease of use and low cost;

• New and better services;

• Packet transmission and data rates on demand; and

• Improved mobility and coverage.

1)Ease of use and low costs:- Wireless customers want useful services, easy-to-use terminals and good value for money, UMTS is envisioned to offer services that are easy to use and customizable in order to address individual user needs and preferences. Terminals and other customized equipment will be available to allow easy access to these services. A wide array of inexpensive, available terminals and other periphery will be available. Costs for the actual UMTS service are projected to be low enough to ensure a mass market and provider competition.

2)New and better services:- Market studies show that voice will remain the dominant service for existing fixed and mobile telephone networks, including GSM, through 2005. Users will demand low-cost, high-quality voice service from UMTS. However, the opportunity for increased revenues through UMTS comes from offering advanced data and information services. Long term, industry forecasts for UMTS show a strongly growing multimedia subscriber base by the year 2010.

3)Fast access:- One factor, which clearly sets UMTS above the second-generation mobile systems, is its potential to support 2Mb/s data rates for users from the outset. This capability, together with inherent Internet Protocol (IP) support of UMTS, is a powerful combination to deliver interactive multimedia services as well as other new wideband applications such as video telephony and video conferencing.

As the demand for user data rates increases in the long term, UMTS will be developed to support even higher data rates, perhaps one or two orders of magnitude greater. In later phases of UMTS development, there will be a convergence with even higher data rate systems using mobile wireless Local Area Network (LAN) technologies (microwave or infrared) providing data rates of for example 155 Mb/s in indoor environments .

4)Packet transmission and data rate on demand.:-Most cellular systems in use today use circuit-switched technology for wireless data transmission. However, UMTS integrates packet and circuit data transmission. Packet data over the airwaves provides the user several benefits:

• Virtual connectivity to the network at all times;

• Alternative ways of billing. For example, pay-per-bit, per session or flat rate per month; and

• Asymmetric bandwidth in the uplink and downlink. As demanded by many emerging data services where one link direction carries simple commands and the other carries and content rich, bandwidth intensive traffic (for example Web browsing or video transmission).

UMTS is also being designed to offer data rate on demand, where the network reacts flexibly to a user’s demands based upon his or her profile and the current status of the network. The use of packet-oriented transport protocols such as Internet Protocol (IP) for UMTS is being studied now. The combination of packet data and data rate on demand will remove technical barriers for the user and make operation of the system much cheaper. Simply put, there should be no worries about how and when to connect to the network.

UMTS services are based on standardized service capabilities, which are common throughout all UMTS user and radio environments. This means that a user will experience a consistent set of services even when he or she roams from his or her home network to other UMTS operators. Users will find the same interface, whether they are in their home network or roaming. The Virtual Home Environment (VHE) will ensure the delivery of the service provider’s total environment, including for example, a corporate user’s virtual work environment, independent of the user’s location or mode of access (satellite or terrestrial).

VHE will also enable terminals to negotiate functionality with the visited network, possibly even downloading software so that it will provide “home- like” service. The ultimate goal is that all networks, signaling, connection, registration and any other technology should be transparent to the user so that mobile multimedia services are simple, user friendly and effective.

Mobility and Coverage:- UMTS has been designed from the outset to be a global system, comprising both national terrestrial and global satellite components. Through multi-mode, multi-band terminals it can use 2nd generation systems to extend its coverage for basic services. The overall goal of the system offering is to achieve truly personal communications using terminals that are able to roam from a private cordless or fixed network (Figure 1). A second goal is to achieve this with a consistent delivery of the services via VHE.

Figure 1. UMTS Coverage is Universal (Leino, 1999).

The UMTS radio access system UTRA will support operation with high spectral efficiency and service quality in all the physical environments in which wireless and mobile communication take place. Today’s users live in a multi-dimensional world, moving between indoor, outdoor urban and outdoor rural environments with a degree of mobility ranging from stationary through pedestrian up to very high vehicular speeds. There are also different user density environments, including three-dimensional situations in high-rise buildings. UTRA has been specified for all these environments.

Limitations of UMTS:-

In practical implementations of UMTS, some users may be unable to access the highest data rates at all times. For example, the physical constraints of radio propagation and the economics of operating a network will mean that the system services might only support lower data rates in remote or heavily congested areas. Therefore, in order to ensure that the subscriber is always able to use their terminal, services will be adaptive to different data rate availability and other Quality of Service parameters.

In the early stages of UMTS deployment, traffic will probably be generated predominantly in locations such as airports and railway stations which operators will cover immediately following network launch. However, users will want full coverage so that they can access their services wherever they are . To offer this, UMTS technology is being defined to enable roaming with other networks. For example a GSM system operated by the same operator or alternatively by roaming agreements with other networks such as other GSM based systems or other third generation systems including UMTS compatible satellite networks, which will effectively be able to offer global coverage.

The limitations are,

1)Risk of further regulation:- There is a certain anxiety that an attempt to achieve circulation by means of administrative measures may lead to heavier regulation of UMTS (e.g. in the form of complicated procedures or excessive marking). Therefore, current efforts are intended to take care to aim to simplify regulation in all circulation measures.

2)Standardization:- Standardization will remain a key factor in providing quality services at an affordable cost and enabling roaming between systems. The success of UMTS depends upon the flexibility of interfaces and the capacity to evolve in parallel with technological development. Continued close co-operation between operators, manufacturers and regulators in the standardization of UMTS/IMT 2000 is crucial for successful harmonization of standardization proposals.

UMTS in the Long Term:-

In order to ensure that UMTS flourishes in the long term, its capabilities must be progressively increased by the addition of new technologies. These technologies are discussed below.

1)Re-configurable Terminals:- UMTS terminals will have to exist in a world of multiple standards, both second-generation standards and other members of the IMT-2000 family. In order to provide universal coverage, seamless roaming and non standardized services will no longer have fixed parameters, rather they will be in the form of a “toolbox” whereby the key parameters can be selected or negotiated to match the requirements of the local radio channel.

In addition to the capability to adapt to different standards as described above, terminals will enable network operators to distribute new communications software via download over the air in order to improve the terminals’ performance in the network or to fix minor problems (e.g. an improved handover algorithm). This aspect of software downloads will generally be invisible to the user.

2)Application and Service Download:- When using today’s multimedia terminals (e.g. PCs), users have accepted the idea that the capabilities of the terminal can be modified over time through a software download. It is now commonplace for a user to download a new “plug in” (for example a video or audio code) to access new types of content. The introduction of multimedia services on UMTS will take this concept into the mobile domain. UMTS “plug ins” will come from a variety of sources, for example:

• Pre-installed on the users’ terminal by the network operator or service provider;

• Downloaded over the air, at the user’s request or automatically by the network – much as today, where many Internet service providers upgrade one’s software or databases during a session; and

• Supplied on media such as DVD or CD-ROM.

Smart Antennas:- Smart antennas react intelligently to the received radio signal, continually modifying their parameters to optimize the transmitted and received signal. This allows them to:

• Increase coverage and capacity by reducing interference between adjacent mobiles;

• Offer space division multiple access, where frequencies are assigned on a per-mobile rather than a per-cell basis allowing vastly increased capacity; and

• Enable user location in space, allowing the introduction of advanced location based services.

Broadband Satellite Systems:- Several broadband satellite systems are also planned for deployment in the post-2002 timeframe to offer data rates beyond 2Mb/s and into the Gigabits domain. Some of these systems may offer compatibility with UMTS service concepts using satellite frequency allocations in the 20-30 GHz range. The requirements of the terminal equipment and higher power consumption will necessitate larger size transportable or fixed terminals or smaller electronic components.

CONCLUSIONS:-

UMTS appears to offer significant benefits to personal and commercial endeavors. Technologies are being put in place to bring it into the mobile community. A phased introduction of UMTS hardware and services with coverage, capability and number of operators growing over time. This phased introduction ensures early availability of services to users while reducing risks for UMTS operators and manufacturers.

UMTS must be capable of co-existing and working with existing second-generation mobile communications technologies so that operators can choose to reuse their existing infrastructure assets and expertise. Global availability of UMTS servers will be ensured by providing for roaming between members of the IMT-2000 family and handover between GSM and UMTS. A number of technologies are required, in addition to the radio interface on which so much focus has been placed recently. Although most current attention is focused on the early years of deployment, UMTS is being defined with a view to the long term.

UMTS is a significant opportunity for manufacturers, operators, and content providers as a communications system and as a part of the greater information society. The vision of UMTS is as a customer-focused system, where customers include both network operators and end users. The challenge to the communications industry is to integrate the technologies needed for UMTS in a way which supports this goal and thereby transforms the vision for UMTS into reality.

1.Introduction:

  

Problems are experienced when introducing computerised systems by libraries in countries remote from the major centres of development and expertise in the field of library computerisation. Main problems identified are those of lack of expertise of librarians and of hardware and software suppliers, a limited market for such systems in these ‘remote’ countries and hence a limited range of appropriate hardware and particularly software available or marketed, a reliance on the products and support of major computer suppliers, and access to relatively limited resources leaving little scope for the adaptation of existing library software to suit local needs or for the development of new systems. Solutions to these problems lie in cooperation and coordination of library computerisation so that maximum benefit can be derived from available resources and expertise, a conscious effort being made to become as self-reliant as available resources will allow, the use of library systems developed abroad with as little adaptation as possible being made to them, the careful evaluation of those systems available as well as of their suppliers, and possibly in future a greater use of dedicated mini- and microcomputer-based systems as such systems become more readily available. The problems and solutions discussed are illustrated by referring to the experience of library computerisation in khandesh rural colleges.

2.New technology

2.1.Managing electronic content:

Pressure continues to develop for developing academic library products that assist libraries in managing and providing access to electronic content-both in the form of electronic content accessed through subscriptions and that created locally. As libraries expend funds for electronic content at levels approaching or exceeding that for print, many find themselves in urgent need of appropriate automation tools.

Technology is causing important changes in how libraries in general, and undergraduate academic libraries in particular, function. It is especially fueling increased user demands and expectations for information resources and their timely delivery. Yet very little has been written regarding designing libraries to take into account the impact of changing technologies

 2.2. Technology a mission

Most would agree that the primary function of a library would continue to be to provide organized, inexpensive access to information, no matter what its form. But technological innovation is likely to add a new need to “create on the network a knowledge-management system that enables scholars to navigate through [the] resources in a standard, intuitive, and consistent way.” This will require new expertise and equipment to accomplish.

Thus, if anything, technology is adding to the demands for libraries to accommodate more print and non-print materials than before. In addition, it is adding the need forever more sophisticated telecommunication and computer systems to manage access to on site and external resources. Also, the library staff to help users cope with the new and varied systems must perform increased training and instruction. With regard to the need for physical space to fulfill the library’s revised mission, it becomes unlikely that less will be needed than currently, and most probably more, as described below.

            2.3. E-learning Impact on LIC Services

In the every walk of our day-to-day life we are finding the use of technologies and libraries are not exception for that. The single force that has brought revolutionary changes in functioning of libraries is IT. The introduction and application of these modern means have evaluated and modern day library to a very high pedestal, improving and altering its image, functions and services to revolutionary extant and with great efficiency and effectiveness.

Most of the operations with library are inter-related, inter dependent and mutually supportive for the overall mission of library. Use of IT applications to interface and integrate each function with the other saves lot of staff time as the same data used not to be entered at every stage.

E-learning has brought many changes in Library Activities and Services. There are four broader areas of which E-learning has brought many changes;

 

3. Library Automation

Information Storage and Retrieval (IRS)

 

Office Automation

 

Resources sharing network.

Automation has helped libraries improving library operations and accelerating their working. Now the computers are being used in the areas like of acquisition, technical processing, circulation control and serial control.

The computer acquisition system has eased the burden for reorder checking of duplicate purchase orders and follow-up action can also taken automatically. IT has speed up the accession, processing work by elimination a large amount of repetitive and time – time consuming work Machine-readable cataloguing is easy to manipulate as it can be searched on-line and from which varies of outputs are available. On-line bibliographic databases have significant effect on collection development.

The lengthy and time consumable procedures of conventional circulation system are taken by the technological devices like computers, barcode scanners and its software’s helps in performing these operations quickly and thus saving the time of users and staff. IT helps in charging and discharging of document, reservation of documents, sending reminders, and collection of overdue, maintenance of various records.

3.2. The Spatial Impact of Technology on Library Functions

3.3.Monograph:

As discussed above, monographic collections, especially for undergraduate libraries, are likely to continue to grow steadily. While digitization of some materials may result in some physical space savings, there are more formats that the library needs to collect; most of these require additional space for equipment to access them, not to mention more specialized storage facilities to house them.

3.4.Periodicals:

_Serials in electronic format seem to be one of the best prospects for introducing space savings in academic libraries. Journals in electronic format will no doubt continue to increase, although those in scientific, technical, and medical disciplines are doing so at a more rapid rate Another factor also points in this direction, that being the extra-inflationary increases in pricing by many publishers.

3.5.Processing:

In most “behind the scenes” areas of the library, technology is often causing the need for more rather than less space for equipment to handle incompatible systems. While this may be ameliorated in the future, the immediate space needs for areas like cataloging continue to grow

3.6. Reference: While technology is driving the need for more instructional space, it is impacting positively the need for space for reference materials themselves. A growing number of resources are available in electronic form, and often from resources housed outside the library. As in serials, however, collections more heavily reliant upon information in professional and scientific areas are experiencing space savings more dramatically

3.7.Study Space: A number of authors confirm this one’s experience that technology is increasing the requirements for study space in academic libraries. Not only are more students relying on facilities like libraries on college and university campuses for studying, more space per student is required to accommodate the use of technology (e.g., laptops and workstations).

4. Internet

The Internet plays a crucial role in the access of information resources. “Sources of information and other opportunities available via the Internet are increasing exponentially. This comes with the steady increase in Internet use for education” and research. Also, with the growth of information on the Internet and the development of more sophisticated searching tools, there is now the more likely possibility of finding information and answers to real questions. But, within the morass of networked data are both valuable nuggets and an incredible amount of junk .

When you are looking for information, where is a better place to go than a library? The Internet has some incredible electronic libraries ready for you. On a small screen of the personal computer this digital world of the library is available for users. This library in terms of digital format consists of various electronic resources, such as electronic books, electronic journals, and electronic reports. These resources are available either in CD-ROM format or available online on the Web and constitute the core of the electronic library collection. A new class of digitized documents has been added to the electronic resources category, comprising those documents either originally published in print or other formats converted into the digital format. The entire manuscript collection, over-used printed document, printed material of great archival value, photographic collections, oral history recordings, and other scattered but useful audio-visual collections are now being converted into digital format for preservation purposes.

5. Selection of good web site:

The best sites have the following characteristics:

Accuracy: The page lists the author and institution that published the page and provides a way of contacting them. Authority: The page lists the author’s credentials and his/her domain. For example: “edu” for education, “gov” for government, and “org” for organization. Objectivity: The page provides accurate information objectively and with limited advertising. Currency: The page and its links, if any, are current and updated regularly, as stated on the page. Coverage: The information can be viewed without paying fees or using a special browser technology or software.

6. Technologies for library:

  

    Modern technologies are

  

6.1. Computer technology

   

     Computers are used to generate information computers are information processing machines which can do a variety of jobs very quickly. A computer is a machine that handles data are the facts that are gathered and entered in to the computer. Computer can access and process data millions of times faster than humans can the computer stores, retrieves, sends, receives, analysis and synthesize the data to procduce information. Computer can be used for library operations like acquisition, cataloguing, database creation and maintenance, circulation control, serials. Control information storage retrieval, communication and networking and management works.

 

6.2. Laser technology:

  

     computer links facilitate speedy random retrieval of information. In the long run, the use of the disc may substitute for the use of actual items like books, which deteriorate quickly due to handling.

 

6.3. Micrographic technology

 

     Micrograph means miniaturization of documents. In micrographic documents are highly reduced in size and recorded on microfilm. The micrographic technology has contributed to a considerable saving of space and facility for dissemination of information.

 

6.4. Reprographic technology

 

     Reprography means the reproduction of graphic materials, which may be handwritten, typed or printed. This technology is very useful for libraries and it reduce the pain of the user.

 

5.5. Audio-visual technology

 

    Audio-visual media used for holding seminars, symposia, meetings and cultural functions in libraries. Slides are useful for effective delivery of messages to selected groups of library users.

   

6.6. Telecommunication Technology.

 

   Recreational and educational programmers can be delivered to a longer through this systems.

 

6.7. Internet & its use in library.

  

   Physically the internet is a lot of computers connected to each other talking a common language or protocol known as Transmission Control Protocol / internet Protocol (TCPIP)

Basically, the Internet is used for following activities.

 

6.8. Communication

  

In the modem world of information explosion, the effective and speedy communication of information is very necessary. The Internet provides electronic message and exchange services through electronic mail popularly known as E-mail. E-mail is used to send messages to other people or programmers on other computers. It is the most extensive and commonly used service on Internet.   Anything created on computers like images, photos, sound, programmers can be sending as well as received with email. E-mail is the fastest, most economical and highly is used modes of communication. Users if INFLIBNET,ERNET, NICNET etc may send and read messages, participate in discussion with special internet groups (SIG) through LISTERVERS (mailing List) and USENET (news groups).

 

  

6.9. Document or File Transfer

  

The internet also provides the facility for document or file transfer with the help of file transfer protocol (FTP). FTP is a set of rules that enables files to be transferred from one computer to another on the net using FTP programmer or through Netscape. Software, games, documents, data etc, can be copied from any site using simple commands.

 

6.10 Interactive Browsing.

Telnet allows internet users to log into other internet computers to access on-line database, electronic catalogues, internet information services, or to access their account. Telnet provides access to on-line public access catalogues (OPACs) maintained by hundreds of university libraries all over the world.   

  

6.11. Bulletin Boards

Closely related to electronic mail are bulletin board systems. A bulletin board is a communication system that allows users to call in and either leave or retrieve messages, it is similar to an electronic mail system, but there are no private mail boxes, only a single large mail box. The messages may be directed to all users of the bulletin board or only to particular users. But all massages can be read by all users.

 

6.12. World Wide Web (WWW).

It is a client-server based distributed hypertext multimedia, an information system on the internet. The WWW is an architectural framework for accessing linked documents spread out over thousand of machines all over the internet. Web is basically a client-server system. From the client-server system. From the client’s (users) point of view, the web consists of a vast worldwide collection of documents, usually just called pages for short. Web pages are written in a language called HTML (Hyper Text Markup Language). HTML allows user to produce web pages that include text, graphics and pointers to other web pages.

  

7. Web-based Library Services.

  

  . WebOPAC

  . CD ROM to Web-based Indexes and Databases.

  . Electronic Document Delivery Services.

  . CAS&SDI.

  . Improved search interfaces

  . New information services, such as a home page linked to a collection of  electronic text,     databases and other internet resources.

  . Documents may be shared across all major networking platforms.

  . Information is accessible regardless of the user’s location.

  . Fill-in forms used for feedback and services.   

 

8.Changing role of library.

Mostly all the libraries faced pre-automation and post automation problems. Lack of trained staff, Lack of administrative support and technical problems were the faced in the initial stage of automation. To overcome these problems,

1. computer training should be provided and made mandatory for all the library staff. This mode of training programmed will help the staff to practice and assimilate more. At the same time, it will allow them to look after day-to-day work as well. 2. in-servicetraining.at regular intervals, should be provided to keep the staff abreast with the latest technology. 3. vacant post need to be filled up ad new post should be created as per requirement. 4. library staff, one computer trained staff i.e. BE. or MCA should be appointed as information scientist/computer in-charge, to look after automaton work and trouble shoot day-to-day problems of computerization. Also, at least one computer operator should be provided for data entry purpose. 5. it based LIS education at B.L.I.Sc and M.L.I.Sc level is a must. Two major problems faced by the libraries were serious technical problems related to software and hardware encountered during installation and working requiring outside technical help. And lack of staff leading to hindrance in computer training to staff to overcome there problems. 6. emphasis should be on baying standard library management software like LIBSYS,ALICE, and SOUL etc. as they are found to be more satisfactory. Also these software’s allow data entry in standard forms like CCF MARC etc, hence there will be no incompatibility problems at the time of networking and respire sharing. 7. user education should be provided to make the user aware of the library collection as well as the services. User should also be giving training so that he can handle the compute red system independently.

Many demands on the IT staff: for managing the library systems but also for new developments. Often libraries now use open source software (for instance for repositories), which nevertheless calls for devoted IT staff.

While the library is constantly changing, a different kind of managers is needed: they should be able to create and implement change. Financial expertise also becomes more important. Not only because of the different licensing agreements, but also as a consequence of decreasing budgets.
Management information and benchmarking are becoming important issues.

Summarizing one might say that while the library may need less staff in the back office, there is a general need for staff with higher qualifications: user driven, IT-knowledge, knowledge of the university, knowledge of where the library is going. Also stronger managing capacities for managers and department heads are needed. And all this knowledge should be kept up to date.
Last but not least, library staff should be more flexible than in the past. Libraries used to be a stable working environment. Now the only thing one can be sure of, is that the library will keep on changing in the next decades.

Status of rural library automation

For the survey 14college selected to the survey purpose in the khandesh region the result came out is as given in the table.

sr

Automation

Computer knowledge person

Budget

Internet frequency

Sufficient staff

1

X

x

x

x

X

2

X

x

x

x

x

3

X

x

x

x

x

3

Ö

x

x

x

x

4

X

x

Ö

x

Ö

5

X

x

x

x

x

6

X

Ö

x

x

x

7

X

x

x

x

x

8

X

x

x

x

x

9

Ö

x

x

x

x

10

X

x

x

x

x

11

X

x

x

x

x

12

X

x

x

x

x

13

X

x

x

x

x

14

X

x

x

x

x

Only two college started automation work. Only one college having computer knowledge person. Only one college found sufficient budget for the automation. For the internet

connection no college getting 100% speed., and regular frequency. Only one college have sufficient staff in the library it is found that there is a budget problems except only one college

Conclusion :

Theuse of library systems developed abroad with as little adaptation as possible being made to them, the careful evaluation of those systems available as well as of their suppliers, and possibly in future a greater use of dedicated mini- and microcomputer-based systems as such systems become more readily available. The problems and solutions discussed are illustrated by referring to the experience of library computerisation in khandesh rural colleges. In general, use of new technologies is not fully adopted in the rural college due to the UN sufficient budget, expert of technology and in the rural area is not getting the broadband speed. Now duty of government and local association to give the knowledge through arrange the workshop, seminars and give the knowledge of new technology.

          Selected resources.

Describing Archives: A Content Standard, Society of American Archivists, 2004. Libraries in ditital Environment Problems and Prospects
Digital Library Production Guide, Kentuckiana Digital Library Dublin Core Metadata Initiative http://purl.org/DC/
Handbook for Digital Projects: A Management Tool for Preservation and Access, Maxine K. Sits, Ed., Northeast Document Conservation Centre, 2000. http://www.nedcc.org/digital/dighome.htm
Moving Theory into Practice: Digital Imaging for Libraries and Archives by Anne. R. Kenney and Oya Y. Rieger, Research Libraries Group, 2000.
Moving Theory into Practice: Digital Imaging Tutorial, Cornell University Library Breeding,m (2002), april). The Emergence of the Open Archives Initiative: This Protocol could become a key part of the digital library infrastrictire. Information Today from . Com/cf_0/m3336/4_19/85251474/p1/article.jhtml

Bluetooth technology is a type of the wireless technology that eliminates the need for the number of inconvenient cables and devices that are used to connect the computers, mobile phones, digital cameras, handheld devices and new digital appliances. Bluetooth enables the users to connect to a wide variety of telecommunication and computing devices easily, without cables.

It makes rapid ad hoc connections, automatic unconscious connections between two or more digital devices. Bluetooth provides the opportunity of using the mobile data in different applications. Bluetooth makes wireless communication between the two devices in a localized area of a room of office or home very easily. Bluetooth technology uses radio-based links and all the connections between the devices and invisible and instantaneous.

By Bluetooth technology your laptop can send print request to a printer in your next room. Bluetooth is actually a standard for wireless communication between the devices in a relatively small area and it is therefore works fine in the personal area network (pan) using radio frequency.

Any two devices that follow the Bluetooth standard can communicate with each other. A number of the Bluetooth devices like digital camera, mobile phone and handheld pc can form a network. You can send emails to your mobile phones from your laptop without any physical connect between your laptop and your mobile phones.

Features of Bluetooth technology

• Bluetooth technology uses radio waves for communication in 2.4 GHz

• It supports multi point communication not just point to point. 

• Bluetooth works in a small area of 10-15 meters.

• Bluetooth offers speed of 1-2 mbps.

• Bluetooth chipsets are less expensive though more expensive than IrDA.

How Bluetooth technology works

Bluetooth is a high speed wireless link technology that uses the radio waves. It is designed to connect the mobile phones, laptops, hand held devices and portable equipments with almost no work by the end users. Unlike infrared Bluetooth does not require line of sight between the connecting units. Bluetooth technology is a modified form of the current wireless LAN technology and it’s more acceptable for its relative small size and low cost.

The current circuits are contained on a circuit board of 0.9 cm square and a much smaller single chip version is in development and soon it will be in use. The cost of the Bluetooth device is expected to fall rapidly. Bluetooth chip has to be equipped in many devices. In Bluetooth technology, small and inexpensive transceivers have been placed in the digital devices. The radio waves operate at 2.45 GHZ band on the Bluetooth devices. Bluetooth supports the data speed up to 721 Kbps and 3 voice channels. The Bluetooth chip can either be built into the devices or it can be uses as an adapter. In computer it can be used with the USB port. Each Bluetooth device has a 48 bit address from the IEEE 802 standards and the Bluetooth connections can be either point to point or multi point. Bluetooth range is 10 meter but it can be extended up to 100 meters by increasing the power.

Bluetooth devices are protected from the external interference because they change their frequency up to 1600 times in a second. Bluetooth radio technology provides the bridge between the existing data network. Bluetooth guarantees security at the bit level and the authentication is controlled by the end user by using 128 bit key. An important face of the Bluetooth technology is that it instantly forms a network when two or more devices come closer in the range of each other.

Bluetooth technology benefits

Bluetooth technology is a convenient choice of communication in a wire free, short range environment. Bluetooth is a globally available standard for connecting the devices like mobile phones, digital cameras, laptops, mp3 players, cars, stereo headsets etc. Bluetooth enable devices do not need to install any drivers. The key benefits of the Bluetooth wireless technology are its built-in-security, low cost, easy of use, robustness, and ad hoc networking capabilities.

The Bluetooth wireless technology is available globally. Many manufactures from the different companies are busy to implement the technology in their products. Bluetooth technology operates in the 2.4 GHZ, one of the unlicensed, industrial and scientific radio bands. Bluetooth technology is a free of charge service but your mobile phones set should support the GSM and CDMA technology.

Today mobile phones have built in capabilities and Bluetooth functionalities in them. Bluetooth technology is available in the different range of the devices like mobile phones, automobiles, medical devices, industries and enterprises etc. Due to the key features of the Bluetooth technology like low power consumption, low cost and wireless features make it more popular. Bluetooth technology does not require any fixed infrastructure and it is very simple to install and setup.

No wires are required to connect the Bluetooth devices. You can connect to other Bluetooth enabled devices anytime if they come in your range. Bluetooth wireless technology is widely supported and is secure wireless standard today. Bluetooth devices has built-in security features such as 128 bit encryption and pin code authentication when Bluetooth devices identify themselves they use the pin code when they first time connect.http://infortech-news.blogspot.com/

IT – NEW PARADIGM

Information technology introduces new ways of participation by the poor men, women and young people, educated and uneducated knowingly and unknowingly in the global economy in cost-effective and poor-friendly ways, thus creating opportunities to address the issue of poverty reduction. Information technology offers the most exciting possibilities for overcoming paucity. This potential will vastly remain unexplored if left to the market forces. Therefore increasing the need to create a regional mechanism such as an Asian Institute of Information Technology for Poverty Reduction which would help in coordinating the existing information technology based systems and experiments, and developing the grounds for replicating the strategies based on information technology for poverty reduction.

Information technology provides remedy to the problem of poverty simply because it presents mankind with a tool for leveraging information and knowledge at a rate and at a level before now unknown. This has implications for not only individuals and communities but for nations. Information technology can be used to search for and transmit local, regional and global best practices in poverty eradication, enhance participation in governance, give voice to the disenfranchised in the society and facilitate new forms of governance, all of which in turn will serve to enhance a country’s potential to make positive strides in poverty eradication related efforts.

The information technology and IT enabled services sector and its role in country’s economic growth, in terms of its contribution to gross domestic product, exports and employment creation has been steadily increasing. There is a great necessity to find ways and means to improve economic conditions for the betterment of all.  Eradication of poverty is not by any means a simple or one step process. It takes a long and tedious process to just find ways to make a small change.  Total eradication is a long range plan in which shortness in small goals must be involved.

Information technology is concerned with all forms with tools, techniques and technology applied for transmitting, storing, processing and disseminating information. It refers it any combination of equipments and procedures that facilitate the acquisition, creation, retrieval, storage, searching. Usually, information technology is viewed as a synthesis of developments in the field of computer science and the development in telecommunication technology.

The achievements of the Indian information technology industry so far have been quite noted worthy. This is because of technical skills of Indian Software professional and high quality software development coupled with lowest costs. Indian software companies have acquired a worldwide reputation of providing software solutions with cost and quality advantage.

Information Technology industry has witnessed tremendous growth over the past two decades. The pace of technological development in the information technology market, both at the domestic and international levels have been phenomenal. The employment opportunities are expected to be good in the information technology industry as demand for computer-related occupation increase due to rapid advances in computer technology, continuing development of new computer application and the growing significance of information security.

IT workers must continually update and acquire new skills to remain qualified in this dynamic field. They also must posses’ strong problem-solving and analytical skills as well as excellent communication skills because troubleshooting and helping others are such vital aspect of the job.