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This brief provides an overview of the requirements, challenges, design issues and major techniques for seamless and secure communications over heterogeneous wireless networks. It summarizes and provides detailed insights into the latest research on handoff management, mobility management, fast authentication and security management to support seamless and secure roaming for mobile clients. The reader will also learn about the challenges in developing relevant technologies and providing ubiquitous Internet access over heterogeneous wireless networks. The authors have extensive experience in implementing such technologies over heterogeneous wireless networks, thus enabling them to bridge the gap between the theoretical results of research and the real practice. Combining basic theoretical concepts and practical implementation, this brief is ideal for professionals and researchers in the field. Advanced-level students interested in computer communication networks and wireless technologies will also find the content helpful.

Heterogeneous computing. --- Wireless communication systems -- Management. --- Wireless communication systems -- Security measures. --- Wireless communication systems --- Heterogeneous computing --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Telecommunications --- Security measures --- Management. --- Security measures. --- Heterogeneous processing (Computers) --- Computer science. --- Computer communication systems. --- Computer Science. --- Computer Communication Networks. --- High performance computing --- Parallel processing (Electronic computers) --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Distributed processing

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Welcometotheproceedingsofthe2ndInternationalSymposiumonParalleland Distributed Processing and Applications (ISPA2004) which was held in Hong Kong, China, 13–15 December, 2004. With the advance of computer networks and hardware technology, parallel and distributed processing has become a key technology which plays an imp- tant part in determining future research and development activities in many academic and industrial branches. It provides a means to solve computati- ally intensive problems by improving processing speed. It is also the only - ableapproachtobuildinghighlyreliableandinherentlydistributedapplications. ISPA2004 provided a forum for scientists and engineers in academia and ind- try to exchange and discuss their experiences, new ideas, research results, and applications about all aspects of parallel and distributed computing. There was a very large number of paper submissions (361) from 26 countries and regions, including not only Asia and the Paci?c, but also Europe and North America. All submissions were reviewed by at least three program or technical committee members or external reviewers. It was extremely di?cult to select the presentations for the conference because there were so many excellent and interesting submissions. In order to allocate as many papers as possible and keep the high quality of the conference, we ?nally decided to accept 78 regular papers and 38 short papers for oral technical presentations. We believe that all of these papers and topics not only provide novel ideas, new results, work in progress and state-of-the-art techniques in this ?eld, but also stimulate the future research activities in the area of parallel and distributed computing with applications.

Parallel processing (Electronic computers) --- Electronic data processing --- Computer Science --- Engineering & Applied Sciences --- Distributed processing --- Computer science. --- Computer communication systems. --- Architecture, Computer. --- Software engineering. --- Algorithms. --- Computer science --- Computer Science. --- Computer System Implementation. --- Algorithm Analysis and Problem Complexity. --- Discrete Mathematics in Computer Science. --- Computer Communication Networks. --- Information Systems Applications (incl. Internet). --- Software Engineering. --- Mathematics. --- Computer mathematics --- Discrete mathematics --- Algorism --- Algebra --- Arithmetic --- Computer software engineering --- Engineering --- Architecture, Computer --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Informatics --- Science --- Mathematics --- Foundations --- Computer network architectures. --- Computer software. --- Computational complexity. --- Complexity, Computational --- Machine theory --- Software, Computer --- Computer systems --- Architectures, Computer network --- Network architectures, Computer --- Computer architecture --- Computer science—Mathematics. --- Application software. --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software --- Computer systems. --- Discrete mathematics. --- Computer networks. --- Computer and Information Systems Applications. --- Discrete mathematical structures --- Mathematical structures, Discrete --- Structures, Discrete mathematical --- Numerical analysis --- ADP systems (Computer systems) --- Computing systems --- Systems, Computer

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This brief provides an overview of the requirements, challenges, design issues and major techniques for seamless and secure communications over heterogeneous wireless networks. It summarizes and provides detailed insights into the latest research on handoff management, mobility management, fast authentication and security management to support seamless and secure roaming for mobile clients. The reader will also learn about the challenges in developing relevant technologies and providing ubiquitous Internet access over heterogeneous wireless networks. The authors have extensive experience in implementing such technologies over heterogeneous wireless networks, thus enabling them to bridge the gap between the theoretical results of research and the real practice. Combining basic theoretical concepts and practical implementation, this brief is ideal for professionals and researchers in the field. Advanced-level students interested in computer communication networks and wireless technologies will also find the content helpful.

Computer science --- Computer architecture. Operating systems --- draadloze computernetwerken --- mobiele netwerken --- computers --- computernetwerken --- computerkunde

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This book systematically presents the wireless sensing technology, which has become a promising sensing paradigm in recent years. It includes the introduction of underlying sensing principles, wireless signals, sensing methodologies and enabled applications. Meanwhile, it provides case studies to demonstrate how wireless sensing is applied for representative human and object sensing applications. This book also provides a wireless sensing framework as a guidance to understand and design a wireless sensing system or prototype based on their needs. It also presents a critical investigation of the challenges in achieving wireless sensing in both signal-level and application-level contexts. Accordingly, it summarizes the typical solutions to tackle the related challenges. Researchers and advanced-level students in computer science or electrical engineering working on the design of a wireless system will find this book useful as a reference. Professionals working in the wireless sensing industry will also find this book valuable as a reference tool.

Programming --- Computer architecture. Operating systems --- Computer. Automation --- informatica --- computernetwerken --- mobiele communicatie --- interfaces --- Wireless sensor networks. --- Xarxes de sensors sense fil

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Complex analysis --- Discrete mathematics --- Computer science --- Programming --- Computer architecture. Operating systems --- Computer. Automation --- discrete wiskunde --- complexe analyse (wiskunde) --- informatica --- computerbesturingssystemen --- hardware --- programmeren (informatica) --- parallel processing --- OS (operating system) --- numerieke analyse