TAILIEUCHUNG - Phần mềm xác định radio P1

This chapter offers an introduction to software based radio (SBR), discusses some top-level global drivers for (SBR) designs, and postulates potential evolutionary implications for software radio in one key market space (commercial wireless). | Software Defined Radio Edited by Walter Tuttlebee Copyright 2002 John Wiley Sons Ltd ISBNs 0-470-84318-7 Hardback 0-470-84600-3 Electronic Part I Perspective The BellSouth RFI was perhaps the catalyst that brought software radio into the commercial arena. In this part the author of that seminal document presents his current perspective 6 years on reviewing terminology and potential and exploring the continuing need today for further technology advances Software Defined Radio Edited by Walter Tuttlebee Copyright 2002 John Wiley Sons Ltd ISBNs 0-470-84318-7 Hardback 0-470-84600-3 Electronic 1 Software Based Radio Stephen M. Blust Cingular Wireless This chapter offers an introduction to software based radio SBR discusses some top-level global drivers for SBR designs and postulates potential evolutionary implications for software radio in one key market space commercial wireless . It provides a vision for the potential impact of software radio supplying a context for the more detailed technology presented in subsequent chapters of this book. SBR also known as software defined radio SDR or just software radio SR is a technological innovation that is coming of age for wireless communications of many types. There is no one single agreed definition of SBR SDR SR terminology in part because there are several different perspectives for the technology. In a broad sense as will be described and illustrated later the technology involves more than just radio in the classic sense of the word radio . It also involves more than just software in the usual usage of that word. In this chapter suggested definitions are presented along with examples of the use of the terminology. Throughout this chapter the term software based radio as defined is used as an overarching term that comprises SDR SR and adaptive-intelligent SR AI-SR . A Multidimensional Model Sets the Stage The multidimensional aspects and different perspectives of SBR are illustrated in Figure . Starting at the .

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