Software Defined Radio: Baseband Technologies for 3G by Walter H.W. Tuttlebee

By Walter H.W. Tuttlebee

The approaching introduction of GSM within the early Nineteen Nineties brought on colossal funding that revolutionised the potential of DSP know-how. A decade later, the significantly elevated processing specifications and capability industry of 3G has brought on an identical revolution, with a bunch of start-up businesses claiming innovative applied sciences hoping to problem and displace incumbent providers.

This publication, with contributions from modern-day significant gamers and prime start-ups, comprehensively describes either the recent methods and the responses of the incumbents, with particular descriptions of the layout philosophy, structure, know-how adulthood and software program support.

  • Analysis of SDR baseband processing specifications of mobile handsets and basestations
  • 3G handset baseband - ASIC, DSP, parallel processing, ACM and customized programmable architectures
  • 3G basestation baseband - DSP (including co-processors), FPGA-based methods, reconfigurable and parallel architectures
  • Architecture optimisation to check 3G air interface and alertness algorithms
  • Evolution of present DSP, ASIC & FPGA solutions
  • Assessment of the architectural ways and the consequences of the trends.

an important source for the 3G product dressmaker, who must comprehend rapid layout techniques inside of a much broader context of destiny product roadmaps, the ebook also will profit researchers and advertisement managers who have to comprehend this fast evolution of baseband sign processing and its effect.

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Additional resources for Software Defined Radio: Baseband Technologies for 3G Handsets and Basestations (Wiley Series in Software Radio)

Example text

WPAN can include Bluetooth, ZigBee, etc. 1. 1. Simple Handsets High Speed Signal-Processing Requirements Single AIS handsets today require modulation/demodulation of a single RF carrier at a time. In TDMA systems, hand-off between cells is accomplished by fast switching between channels. ) are reallocated to produce a system where two code division channels within a single RF carrier are handled simultaneously to assist in ‘soft’ hand-offs between cells. More complex ‘simple’ handsets are now appearing and will soon become dominant.

Assuming that the processor has a 16-bit word size, this means that a DSP attempting to do high speed signal processing for a simple handset would have to operate at a clock speed in excess of 325 MHz. , the required clock speed turns out to be in the GHz range. Early DSPs could not run at these clock speeds. As DSP development progressed, it became clear that, since power consumption varied directly with processor speed, it would not be practical to operate a DSP at these clock rates for battery powered applications.

W. Tuttlebee Copyright  2004 John Wiley & Sons, Ltd. ISBN: 0-470-86770-1 Introduction Walter Tuttlebee Mobile VCE, Basingstoke, UK ‘Software radio is arriving by stealth . ’ Software Defined Radio – are you a sceptic or a believer? If you were a total sceptic you would not be wasting your time reading this introduction. However, many are. I am frequently asked for my views on when software radio ‘will arrive’. Perhaps the most interesting answer I heard someone give to this question over the past year was ‘software radio is arriving by stealth’.

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