At the time we were working on third-generation (3G) wireless systems at Lucent Technologies, we realized that there were not many
books available on this topic. ITU-R had defined four 3G systems, and published a set of standards in 1999. In most cases, our only sources of information were these standards, which were necessarily quite elaborate and were not available as a single document. The purpose of this book is to fill that void and provide a comprehensive description of 3G systems. The standards specify air interfaces based upon both wideband CDMA (W-CDMA) and wideband TDMA. However, since W-CDMA is the preferred interface, we have chosen to deal with W-CDMA and more specifically cdma2000 and UMTS FDD. Technologies used in 3G and necessary background material required to understand and, in some instances, develop a 3G system are presented. The treatment of topics is neither too detailed nor too brief, and our expectation is that a wide spectrum of readers— systems engineers, engineering managers, people who are new in this area but want to understand the system, and even designers— will find the book useful.
Xin lỗi bạn không thể down load tài liệu này. Bạn có thể xem tài liệu trực tuyến trên website hoặc liên hệ thư viện trường để được hướng dẫn. Cảm ơn bạn đã sử dụng dịch vụ của chúng tôi.
Bạn vui lòng tham khảo thỏa thuận sử dụng của thư viện số.