UWB Pulse-based Radio
Reliable Communication over a Wideband Channel
(Sprache: Englisch)
UWB pulse-based radio may be the future of wireless communication, but challenges remain. This book details the problems of wideband wireless communications and presents a new interference suppression and signal reconstruction scheme for UWB pulse-based radio.
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UWB pulse-based radio may be the future of wireless communication, but challenges remain. This book details the problems of wideband wireless communications and presents a new interference suppression and signal reconstruction scheme for UWB pulse-based radio.
Klappentext zu „UWB Pulse-based Radio “
Today's booming expanse of personal wireless radio communications is a rich source of new challenges for the designer of the underlying enabling te- nologies. Personal communication networks are designed from a fundam- tally different perspective than broadcast service networks, such as radio and television. While the focus of the latter is on reliability and user comfort, the emphasis of personal communication devices is on throughput and mobility. However, because the wireless channel is a shared transmission medium with only very limited resources, a trade-off has to be made between mobility and the number of simultaneous users in a con?ned geographical area. Accord- 1 ing to Shannon's theorem on channel capacity, the overall data throughput of a communication channel bene?ts from either a linear increase of the tra- mission bandwidth, or an (equivalent) exponential increase in signal quality. Consequently, it is more bene?cial to think in terms of channel bandwidth than it is to pursue a high transmission power. All the above elements are embodied in the concept of spatial ef?ciency. By describing the throughput of a system 2 in terms of bits/s/Hz/m , spatial ef?ciency takes into account that the use of a low transmission power reduces the operational range of a radio transmission, and as such enables a higher reuse rate of the same frequency spectrum.
Inhaltsverzeichnis zu „UWB Pulse-based Radio “
Contents. Preface. List of Abbreviations and Symbols. 1. DIGITAL COMMUNICATIONS OVER ANALOG CHANNELS. 1.1 Wideband radio: spectral and spatial efficiency. 1.2 Increasing the spectral bandwidth. 1.3 Onwards to software defined radio? 1.4 Interference immunity issues of wideband radio. 1.5 Organizational overview of this text. 2. MODULATION-AWARE ERROR CODING. 2.1 Why error coding works. 2.2 How error coding works. 2.3 Coding: the concept of distance. 2.4 Coding for a narrowband, noisy channel. 2.5 Coding and modulation for a wideband channel: OFDM. 2.6 Wideband single-carrier modulation. 2.7 Conclusions on single- and multicarrier systems. 3. MODULATION-AWARE DECODING: SIGNAL RECONSTRUCTION. 3.1 Principles of signal reconstruction. 3.2 ISSR decoding for wideband QPSK. 3.3 Implementation aspects of the ISSR algorithm. 3.4 Performance of the ISSR algorithm. 3.5 ISSR under non-ideal circumstances. 4. BENEFITS OF ISI IN THE INDOOR ENVIRONMENT. 4.1 Power delay spread. 4.2 Frequency-selective versus flat fading. 4.3 Coherence time. 4.4 Multipath resolvability and link reliability. 5. PULSE-BASED WIDEBAND RADIO. 5.1 Symbol rate versus multipath resolvability. 5.2 Synchronization. 5.3 ISSR-based diversity combining. 5.4 System integration and clock planning. 5.5 Overview of the pulse-based radio system. 6. REFERENCE DESIGN OF A PULSE-BASED RECEIVE UNIT. 6.1 Receive window specifications. 6.2 Multiphase clock generator. 6.3 RF input stage. 6.4 Design for testability. 6.5 Experimental results for the prototype chip. 6.6 Summary of the pulse-based receive unit. 6.7 Overview and future work. 7. NONLINEAR LOADED OPEN-LOOP AMPLIFIERS. 7.1 Interstage coupling of open-loop transistor stages. 7.2 Design considerations on the open-loop core stage. 7.3 Improving linearity using a nonlinear load. 7.4 Distortion analysis of the nonlinear loaded stage. 7.5 Sensitivity analysis of the open-loop amplifier. 7.6 Implementation of a linearized open-loop amplifier. 7.7 Overview and future work.
... mehr
Appendices. A. Distortion analysis of feedback amplifiers. References. Index.
... weniger
Bibliographische Angaben
- Autoren: Wim Vereecken , Michiel Steyaert
- 2009, XX, 248 Seiten, Maße: 16,4 x 24,2 cm, Gebunden, Englisch
- Verlag: Springer Netherland
- ISBN-10: 9048124492
- ISBN-13: 9789048124497
Sprache:
Englisch
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