Optical Network Design and Planning, Jane M. Simmons
Автор: Zhu Qing K. Название: High-Speed Clock Network Design ISBN: 1402073461 ISBN-13(EAN): 9781402073465 Издательство: Springer Рейтинг: Цена: 23508.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: High-Speed Clock Network Design is a collection of design concepts, techniques and research works from the author for clock distribution in microprocessors and high-performance chips. It is organized in 11 chapters as follows. Chapter 1 provides an overview to the design of clock networks. Chapter 2 specifies the timing requirements in digital design. Chapter 3 shows the circuits of sequential elements including latches and flip-flops. Chapter 4 describes the domino circuits, which need special clock signals. Chapter 5 discusses the phase-locked loop (PLL) and delay-locked loop (DLL), which provide the clock generation and de-skewing for the on-chip clock distribution. Chapter 6 summarizes the clock distribution techniques published in the state-of-the-art microprocessor chips. Chapter 7 describes the CAD flow on the clock network simulation. Chapter 8 gives the research work on low-voltage swing clock distribution. Chapter 9 explores the possibility of placing the global clock tree on the package layers. Chapter 10 shows the algorithms of balanced clock routing and wire sizing for the skew minimization. Chapter 11 shows a commercial CAD tool that deals with clock tree synthesis in the ASIC design flow. The glossary is attached at the end of this book. The clock network design is still a challenging task in most high-speed VLSI chips, since the clock frequency and power consumption requirements are increasingly difficult to meet for multiple clock networks on the chip. Many research works and industry examples will be shown in this area to continually improve the clock distribution networks for future high-performance chips.
Автор: Chris Braithwaite Название: UMTS Network Planning and Development, ISBN: 0750660821 ISBN-13(EAN): 9780750660822 Издательство: Elsevier Science Рейтинг: Цена: 10899.00 р. Наличие на складе: Поставка под заказ.
Описание: UMTS is the wireless network technology behind the rollout of Third Generation (3G) mobile telecoms networks which can bring video, music and internet services to the cellphone and a range of electronic products. This guide considers each of the key topics of UMTS/WCDMA and 3G rollout in terms of coverage, capacity and quality of service.
Описание: Fundamentals of Network Planning and Optimisation for Wireless Communications presents a detailed coverage of Network Planning and Optimisation across the technologies from 2G to 4G/future mobile communications. There is currently a crucial gap in the market for a publication of this kind. There are currently no books that cover 2G, 2.
Описание: Written by leading experts in the field, the first edition of Radio Network Planning and Optimisation for UMTS quickly established itself as a best-selling and highly respected book on all relevant planning issues for UMTS/WCDMA. The second edition will no doubt ensure this continued success.
Описание: When joining Siemens in 2001, I also extended my research interest towards radio net work planning methodologies. This area of research brought together my personal interest in mobile communications and in the design of ef?cient algorithms and data structures. Between 2001 and 2003, I participated in the EU project Momentum, which was target ing the performance evaluation and optimization of UMTS radio networks. In this project my main focus was on Monte Carlo snapshot techniques, shortly after I broadened my research scope towards network optimization techniques. Both constitute the basis of this thesis. Later I got the chance to bring in the ideas and methods of my thesis into a Siemens internal planning and optimization tool, the development of which I guided over the last two years. First of all I would like to thank Professor Dr. Carmelita Gorg for supervising this thesis, for her guidance, and her encouragement. I very much appreciate that she although I, as an external Ph. D. student, was not part of her department at the University of Bremen was always very open for discussions and provided me with a large amount of useful suggestions over the past years. I without a doubt greatly bene?ted from this, both in my scienti?c work and personally. I am also deeply grateful for the comments and suggestions by Professor Dr. Thomas Kurner, who is also the second examiner of this thesis."
Автор: Ajay R. Mishra Название: Advanced cellular network planning and optimisation ISBN: 0470014717 ISBN-13(EAN): 9780470014714 Издательство: Wiley Рейтинг: Цена: 18842.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: A highly practical guide rooted in theory to include the necessary background for taking the reader through the planning, implementation and management stages for each type of cellular network. Present day cellular networks are a mixture of the technologies like GSM, EGPRS and WCDMA.
Описание: The universalmobiletelecommunications system (UMTS) is a technical standard for a third generation (3G) telecommunication system. UMTS provides data rates more than three 1 times higher than its second generation (2G) predecessors. The increased speed en- ables, for example, video calls, music downloads, or fast web surfing. The technology is already widely available. In 2007, a total of 166 commercial UMTS radio networks are operational in 66 countries covering all continents (UMTS Forum, 207), and there are already more than 100 million UMTS subscribers (3GToday. com, 2007; UMTS Forum, 2006). The market for mobile telecommunication is, however, increasingly competi- tive, therefore operators need to invest effectively. In Western Europe, mobile phone penetration has reached 100 % in 2006 and the average revenue per customer is de- clining (3G. co. uk, 2007). Besides spectrum license fees, the main cost driver is network infrastructure (Ellingeret al., 2002). Radio network planning can cut operational and capital expenditure by up to 30 % (Dehghan, 2005). Good radio network planning is difficult for UMTS, because its radio interface is more complex than anything used at mass-market level before (Dehghan, 2005). Con- nections are separated via codes; they share the same frequency band and are thus subject to interference. On each link, the system constantly regulates the amount of generated interference to a minimum via a power-control feedback loop.
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