Leyonhjelm, Scott (1995) A digital signal processing solution for multichannel base stations. PhD thesis, Victoria University of Technology.

Abstract

Radio communication systems of the future will require a large increase in user capacity. To achieve this, cell sizes will reduce and the number of base stations will increase. Current base station architectures use analogue combining techniques which are expensive, voluminous and inflexible. This thesis investigates a Digital Signal Processing (DSP) solution which produces a cheaper, smaller and more flexible multichannel base station transmitter design. The main design challenges of the new DSP low power combining architecture are the multichannel combining algorithm, the frequency translation of the multichannel signal to radio frequency, the Digital to Analogue Conversion (DAC) interface and the wideband ultra-linear power amplifier. This thesis considers the pre-power amplifier stages.

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