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内容説明 This book presents the various designs and architectures of wireless receivers in the context of modern multi-mode and multi-standard devices. Uniquely， analog and digital signal processing are treated simultaneously with equal detail given to the chosen architecture and modulating waveform， giving a singular understanding of the receiver’s analog front end and the digital backend， and how each affects the other. Throughout， the design process is explained in great detail starting from an analysis of requirements to the choice of architecture and finally to the design and algorithm development. The advantages and disadvantages of each wireless architecture and the suitability to a standard are given， enabling a better choice of design methodology， receiver lineup， analog block， and digital algorithm for a particular architecture.
This book offers the most comprehensive treatment of modern receiver architecture and design. Whether you are a communications engineer working on system architecture and waveform design， an RF engineer working on noise and linearity budget and line-up analysis， a DSP engineer working on algorithm development， or an analog or digital design engineer designing circuits for wireless transceivers， this book is your one-stop reference and guide to designing low-cost low-power multi-mode multi-standard receivers. The material in this book is organized and presented to lead the engineer from applied theory to practical design with plenty of examples and case studies drawn from modern wireless standards. This book shows how:
Design tradeoffs in the digital signal processing can positively or negatively impact the design in the analog front end， and vice versa.
Certain algorithms for a given architecture can reduce the cost and design cycle of the analog front end.
Parameters or blocks in the lineup， such as filters， mixers， amplifiers， etc. can gravely impair the performance of the digital signal processing algorithms
First book to provide a complete description of receiver architectures together with their pros and cons， enabling a better choice of design methodology
The only book to cover in an integrated way the design trade-offs and algorithms between the analog front end and the digital modem - enabling a much more ?joined up? design.
Addresses multi-mode multi-standard low-cost， low-power radio design - critical for producing the applications for Smart phones and portable internet devices.