Ultra-Wideband Pulse-based Radio: Reliable Communication over a Wideband Channel by Wim VereeckenUltra-Wideband Pulse-based Radio: Reliable Communication over a Wideband Channel by Wim Vereecken

Ultra-Wideband Pulse-based Radio: Reliable Communication over a Wideband Channel

byWim Vereecken, Michiel Steyaert

Paperback | October 28, 2010

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Ultra-Wideband Pulse-based Radio lays the foundations of a new radio transceiver architecture, based on the Ultra-Wideband pulse-based radio principle. Instead of a continuous-time modulated carrier, the pulse-based radio system uses short electromagnetic pulses with a wide spectral footprint. This has considerable advantages for the reliability of a wireless link in an indoor environment. However, what is not accounted for in most high-level theoretical perspectives, is that a wide transmission bandwidth opens up a Pandora's box of many complications at receiver side. A real-world wireless channel, for example, suffers from multipath reflections: multiple, delayed versions of the same signal arrive at the receive antenna and start to interfere with one another, an effect that is known as intersymbol interference. Also, a wide transmission band is a wide open door for in-band interfering signals, caused by other transmitters in the same frequency band.
Title:Ultra-Wideband Pulse-based Radio: Reliable Communication over a Wideband ChannelFormat:PaperbackDimensions:268 pages, 9.25 × 6.1 × 0.68 inPublished:October 28, 2010Publisher:Springer NetherlandsLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9048185033

ISBN - 13:9789048185030

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Table of Contents

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.Appendices. A. Distortion analysis of feedback amplifiers. References. Index.