"Nyquist, Harry to Pupin, Michael Idvorsky"

Radio Resource Management in Cellular Systems is the first book to address the critical issue of radio resource management in emerging (i.e., third generation and beyond) wireless systems. This book presents novel approaches for the design of high performance handoff algorithms that exploit attractive features of several existing algorithms, provide adaptation to dynamic cellular environment, and allow systematic tradeoffs among different system characteristics. Efficient handoff algorithms cost-effectively enhance the capacity and quality of service (QoS) of cellular systems. A comprehensive foundation of handoff and related issues of cellular communications is given. Tutorial-type material on the general features of 3G and 3.5G wireless systems (including CDMA2000, UMTS, and 1xEV-DO) is provided. Key elements for the development of simulators to study handoff and overall RF performance of the integrated voice and data cellular systems (including those based on CDMA) are also described. Finally, the powerful design tools of neural networks and fuzzy logic are applied to wireless communications, so that the generic algorithm approaches proposed in the book can be applied to many other design and development areas. The simulation models described in the book represent a single source that provides information for the performance evaluation of systems from handoff and resource management perspectives. Radio Resource Management in Cellular Systems will prove a valuable resource for system designers and practicing engineers working on design and development of third generation (and beyond) wireless systems. It may also be used as a text for advanced-level courses in wireless communications and neural networks.

One hundred years ago, the notion of transmitting information without the use of wires must have seemed like magic. In 1896, the first patent for wireless communication was granted to Marchese Guglielmo Marconi. Since then the field of wireless communications which includes cellular systems has taken various forms of development. It basically evolved through three Eras. The Pioneer Era over the period of 1860-1921, the Precellular Era over 1921-1980 and the Cellular Era after 1980 and beyond. The first generation cellular era started with the Analog Systems and evolved in the digital domain utilizing Time Division Multiple Access (TDMA) and Code Division Multiple Access (CDMA), thus comprising the Second Generation Mobile Systems. The first generation RF cellular communications systems deployed in the early to mid 1980's had air interfaces comprised of analog technology. Among them were AMPS (Advanced Mobile Phone System), NMT (Nordic Mobile Telephone), and TACS (Total Access Communications System). These were designed for use in a specific geographic area and not intended to be deployed in other areas. There was not much commonality beyond using the same air interface technology and same modulation. The air interface technology was Frequency Division Multiple Access (FDMA) and the modulation was analog FM, but with different deviations and channel spacings. The frequency bands, air interface protocols, number of channels, and data rates were different. In general, these systems provided local and national coverage.

Now in its third edition, the best-selling text, Marketing in Travel and Tourism, explains the principles and practice of marketing as they are increasingly being applied in the global travel and tourism industry. Building on the success of previous editions, the authors have completely revised the text to reflect the changes in the travel and tourism industry in the 21st century. International examples and case studies drawn from recent practice in several countries are used throughout the text. Case studies emphasising the role of ICT include: Microburners, Travel Inn (budget hotels), RCI Europe, the Balearic Islands, and ICT and the role of the Internet in international NTO strategies. With its comprehensive content and user friendly style, Marketing in Travel and Tourism third edition takes the reader from an initial definition of the subject matter through to the application of marketing in the travel and tourism industry, discussing crucial components such as planning strategy and the marketing mix, making it an indispensable text for both students and practitioners alike.

The Handbook of Algorithms for Wireless Networking and Mobile Computing focuses on several aspects of mobile computing, particularly algorithmic methods and distributed computing with mobile communications capability. It provides the topics that are crucial for building the foundation for the design and construction of future generations of mobile and wireless networks, including cellular, wireless ad hoc, sensor, and ubiquitous networks. Following an analysis of fundamental algorithms and protocols, the book offers a basic overview of wireless technologies and networks. Other topics include issues related to mobility, aspects of QoS provisioning in wireless networks, future applications, and much more.

Due to the explosive global growth in the number of mobile subscribers, as well as the growth predicted in the mobile data segment, the need for improved spectrum efficiency on the radio interface becomes more and more important. Frequency hopping (FH) is an effective method for improving the spectrum efficiency. One of the advantages of FH is that it can be combined with other spectral efficiency improving features like power control, handover and reuse partitioning. Performance Enhancements in a Frequency Hopping GSM Network covers FH and some of the additional features in detail. It begins with an in-depth description of the basic concept of FH on link level as well as on system level. Different methods have been used for analysis, such as link level simulations, network level simulations and classic tele-traffic theory. Special features of Performance Enhancements in a Frequency Hopping GSM Network: Combines the practical experiences of operator and vendor with more theoretical research methods. An in-depth treatment of prevailing problems in GSM networks; Presentation of a new method, computer-aided network design (CAND), which has been developed to analyse the complex network structures of a GSM network. CAND provides the possibility for more realistic performance evaluations than conventional methods; Provides GSM-specific analysis of functionality improvements in power control, discontinuous transmission, and several handover algorithms; Explanation of the quality and capacity gains of features like the combination of FH and reuse partitioning, referred to as intelligent frequency hopping; A frequency planning method for FH GSM networks is presented. This method exploits the benefits from FH directly in the allocation process, increasing the overall frequency plan.

Target your business strategies to fit specific tourist cultures!Since Thomas Cook packaged the first tour in 1841, hospitality and tourism enterprises have forged long-term alliances with one another. Yet research suggests that most such alliances will fail. What goes wrong? How can tourism professionals take advantage of all the ben

For the fourth time now, experts in tourism from various countries come to attend the ENTER conference in order to inform themselves and others about the current devel opments in the usage of information and communication technologies. The ENTER conference is thought as a platform for the exchange of ideas, experi ences, opinions, and visions among scientists and practitioners. The visions presented at the last three ENTER conferences have triggered many requirements of important on-going and planned projects in the application of communication and information technologies in tourism. The scope of the papers of this proceedings covers the most recent and relevant to pics in our area of interest. The sessions are primarily devoted to intelligent agents and systems, the future role of global (reservation) systems, the new. chances of data base applications due to the most recent technological developments. and above all the role of the Internet (and Intranet). I would like to express my cordial thanks to all institutions actively supporting this event, namely: • The Edinburgh & Lothian Tourist Board • The International Federation of Information Technology in Tourism (IFITT) Several people spent numerous hours organizing the scientific programme of EN TER. The names of most of them will appear in the following pages.