宽带无线数字通信（英文版） (2010 年度畅销榜NO.15410 )

宽带无线数字通信是当前无线通信技术的发展前沿，在未来的话音、视频、数据及多媒体等综合业务方面有广阔的应用前景。宽带无线数字通信和传统的窄带无线数字通信不同，由于信道等方面的原因，必须采用一些全新的技术和方法，围绕这些技术和方法，需要深入了解并研究一些新的理论和概念。本书汇集了多位专家的经验，对宽带无线数字通信进行了最全面、最深入的介绍。本书的主要特点是：将宽带无线数字通信系统分成最具有代表性的非均衡系统、单载波非扩频均衡系统、正交频分复用系统和码分多址系统四大类，全面涵盖了当前及未来宽带无线数字通信的最新内容。本书除了介绍基础知识和基本原理以外，还介绍了最新的学术前沿及技术进展。这是一本很好的教科书和技术参考书，适用于电子与通信类专业的高年级本科生、研究生及研究所和企业的工程技术人员。\r\n\r\n\r\n
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第一部分 宽带系统引论 1 \r\n\r\n Introduction to Wideband Systems \r\n\r\n 第1章 基础知识 3 \r\n\r\n Basics \r\n\r\n 第2章 当前及未来的宽带系统 9 \r\n\r\n Current and Future Wideband Systems \r\n\r\n 第3章 无线移动信道 20 \r\n\r\n Mobile Radio Channels \r\n\r\n 第4章 概述 49 \r\n\r\n Outline \r\n\r\n 第5章 展望 54 \r\n\r\n Outlook \r\n\r\n 第二部分 非均衡系统 63 \r\n\r\n Unequalized Systems \r\n\r\n 第6章 为什么要研究非均衡系统 65 \r\n\r\n Why Unequalized Systems \r\n\r\n 第7章 系统模型 68 \r\n\r\n System Model \r\n\r\n 第8章 固定抽样的计算方法 75 \r\n\r\n Computation Methods for Fixed Sampling \r\n\r\n 第9章 固定抽样的结果 100 \r\n\r\n Results for Fixed Sampling \r\n\r\n 第10 章 降低差错平台的调制方式和接受机结构 110 \r\n\r\n Modulation Formats and Receiver Structures for the Reduction of the Error Floor \r\n\r\n 第11章 自适应抽样 119 \r\n\r\n Adaptive Sampling \r\n\r\n 第12章 天线分集 128 \r\n\r\n Antenna Diversity \r\n\r\n 第13章 综述与结论 141 \r\n\r\n Summary and Conclusions \r\n\r\n 附录A 采用固定抽样的比特差错率计算公式 145 \r\n\r\n Equations for BER Computation with Fixed Sampling \r\n\r\n 附录B 第二部分的字母表 150 \r\n\r\n Nomenclature for Part Ⅱ \r\n\r\n 第三部分 单载波非扩频数字调制的均衡技术 155 \r\n\r\n Equalization Techniques for Single Carrier,Unspread Digital Modulations \r\n\r\n 第14章 预备知识 157 \r\n\r\n Preliminary Topics \r\n\r\n 第15章 最佳判决准则 181 \r\n\r\n Optimal Decision Rules \r\n\r\n 第16章 均衡算法 225 \r\n\r\n Equalization Algorithms \r\n\r\n 第四部分 正交频分复用 309 \r\n\r\n Orthogonal Frequency Division Multiplexing \r\n\r\n 第17 章 续论 311 \r\n\r\n Introduction \r\n\r\n 第18 章 OFDM的传输技术 314 \r\n\r\n the OFDM Transmission Technique \r\n\r\n 第19 章 同步 322 \r\n\r\n Synchronization \r\n\r\n 第20章 调制 326 \r\n\r\n Modulation \r\n\r\n 第21章 解调 331 \r\n\r\n Demodulation \r\n\r\n 第22章 信道编码 336 \r\n\r\n Channel Coding \r\n\r\n 第23章 OFDM信号的幅度限制 350 \r\n\r\n Amplitude Limitation of OFDM Signals \r\n\r\n 第24章 OFDM信号的过滤 370 \r\n\r\n Filtering of the OFDM Signal \r\n\r\n 第25章 采用频域均衡的OFDM-CDM和单载波传输 377 \r\n\r\n OFDM-CDM and Single-Carrier Transmission with Frequency-Domain Equalization \r\n\r\n 第五部分 码分多址 387 \r\n\r\n Code Division Multiple Access \r\n\r\n 第26章 码分多址基础 389 \r\n\r\n Basics of Code Division Multiple Access \r\n\r\n 第27章 传统的瑞克接收机 402 \r\n\r\n Conventional Rake Receivers \r\n\r\n 第28章 高级瑞克接收机结构 410 \r\n\r\n Advanced Rake Receiver Structure \r\n\r\n 第29章 扩频带宽和选择分集的重数对瑞克接收的影响 424 \r\n\r\n Impact of Spreading Bandwidth and Selection Diversity Order on Rake Reception \r\n\r\n 第30章 码的捕获 455 \r\n\r\n Code Acquisition \r\n\r\n 第31章 码的跟踪 472 \r\n\r\n Code Tracking \r\n\r\n 第32章 CDMA系统的信道估计 480 \r\n\r\n Channel Estimation for CDMA Systems \r\n\r\n 第33章 CDMA网络的容量 499 \r\n\r\n Capacity of CDMA Networks \r\n\r\n 附录A 匹配前端处理器输出的相关函数 523 \r\n\r\n Correlation Function of the MFEP Output \r\n\r\n 附录B 线性代数和矩阵代数 526 \r\n\r\n Linear and Matrix Algebra \r\n\r\n 附录C 符号 534 \r\n\r\n Symbols \r\n\r\n 索引 535 \r\n\r\n Subject Index \r\n
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ABOUT THE EDITOR

Andreas F. Molisch is Associate Professor for mobile communications and head of the "mobile radio air interface" research group in the mobile radio department of the Institut ruer Nachrichtentechnik und Hochfrequenztechnik (INTHFT), Technische Universitaet Wien, Vienna, Austria.

He received the DipL Ing., Dr. techn., and Habilitation degrees in 1990, 1994, and 1999, respectively. Since 1991, he has been with the INTHFT in

Wireless systems are called wideband if the system bandwidth is comparable to orlarger than the bandwidth over which the channel transfer function can be considered constant--typically, on the order of 100 kHz. Equivalently, one can statethat time dispersion and thus intersymbol interference play an important role in the system performance. In practice, all digital mobile radio systems are wideband to a certain degree. In the early and mid-1990s, this development was mainly driven by the use of multiple-access formats that increase the transmission bandwidth.

Recently, the requirements for the data rates of single users have increased so much that transmission bandwidths must be increased still further. After all, the aim of any mobile communications system is to provide the same services and quality as fixed, wired systems. Especially fast wireless internet connections will play a vital role in the future development of mobile communications.

There are four basic approaches to dealing with the "widebandedness" of mobile radio systems. The first one is the use of unequalized systems to design the system like a narrowband system and treat the intersymbol interference resulting from the time dispersion; this is a very simple approach that results in a system performance worse than a narrowband system. Alternatively, one can try to combat the intersymbol interference by equalizers. This approach exploits the inherent delay diversity of time-dispersive channels and thus gives better performance than narrowband systems. Equalization is usually employed in single-carrier, TDMA/FDMA

systems. An alternative is Code Division Multiple Access using Rake receivers. This approach will gain special importance in the next years as it has been selected for UMTS (IMT-2000), the third-generation standard that will allow data rates of up to 2 Mbit/s. For even higher data rates, Orthogonal Frequency Division Multiplexing is envisioned.

PURPOSE OF THE BOOK: Today, researchers and engineers in the field are faced with different tasks. When designing new systems, they have to determine which approach is the most suitable for the boundary conditions at hand, e.g., the desired data rate, the available processor power in base station and mobile station, etc. The designers of transmitters/receivers for standardized systems are faced with the task of fulfilling certain performance specifications (which axe required for type approval), while usually having the freedom to choose the cheapest and most efficient technical realization. Academic researchers usually also strive for optimum

or efficient solutions of signal-processing problems within boundary conditions set by the mobile radio channel.

This book gives all these people an overview of the state-of-the-art. It assumes a familiarity with standard digital communications, as elaborated in the classical textbooks, e.g., Proakis' Digital Communications. The book aims to provide a path through the minefield of the different methods and results described in the primary literature. It covers the essence of the methods and arranges them in a systematic way. Furthermore, extensive referencing to the literature should enable the reader to access all necessary details of any method he becomes especially interested in.

Apart from serving the practicing researcher, the book can also serve as a text for an advanced graduate course in wireless digital communications. Due to the high information density, an instructor can pick and choose the covered subjects if the course lasts for one semester only. In our experience, it is also effective to introduce students to a particular method by going over the basic description given in the book, and then assigning one or two related papers for self-study or homework.

ORGANIZATION: The book starts with a general part that describes the most popular wideband systems and the wideband mobile radio channel, then gives an overview of the remainder of the book. Each of the subsequent parts II--V describes one of the wideband approaches, namely, (i) unequalized systems, (ii) equalized systems, (iii) multicarrier methods, and (iv) CDMA; a more detailed description of the contents is given in Chapter 4. Each of these parts can be read independently.

We hope that this book will be useful to the researcher in the exciting feld of digital wireless communications. We would be happy to hear any comments or suggestions, e.g., by email to Andreas. Molisch@tuwien.ac.at

ACKNOWLEDGMENTS: We would like to thank our editor at Prentice Hall, Bernard Goodwin, and the production editor, Jane Bonnell, for their expert guidance through the different stages of the manuscript preparation as well as their patience. Our profound gratitude also to Mrs. Manuela Hueber-Heigi for her help in typing and formatting, which she did not only expertly but also always cheerfully. The authors would also like to thank all the people with whom they have

collaborated on the subjects treated in the book as well as the reviewer of the book proposal, who made several helpful suggestions.

Andreas F. Molisch

Vienna, 2000