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Performance of a new adaptive diversity-equalisation for digital mobile radio

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1 Author(s)
H. Suzuki ; NTT Radio Commun. Syst. Lab., Take Yokosuka-Shi, Japan

A new adaptive diversity-equalisation suitable for mobile radio signal transmission in the mobile radio fast fading environment is proposed. Adaptivity of the diversity-equalisation is enhanced by employing the recursive least-squares algorithm (RLS) with exponential weighting and two newly proposed techniques: bi-directional equalisation (BDE) and transmitter time-diversity (TDD). Computer simulation shows that QPSK transmission performance equivalent to that of four-branch diversity can be obtained with small impairment.

Published in:

Electronics Letters  (Volume:26 ,  Issue: 10 )