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IEICE TRANSACTIONS on Communications

Predictive Antenna Selection Diversity (PASD) for TDMA Mobile Radio

Yasushi YAMAO, Yoshinori NAGAO

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Summary :

Antenna selection diversity is an effective method to achieve both better transmission performance and compact circuit implementation in TDMA portable radio communications. However, diversity performance in fast fading environments is insufficient. This paper proposes a novel predictive antenna selection diversity scheme, PASD, which improves the diversity performance for higher fading rates. In PASD, received signal power for the assigned data slot is predicted from previously measured data. Thus, selection errors due to the receiving power changes caused by fast Rayleigh fading can be effectively avoided. An experimental result for a 3-ch TDMA system with a frame duration of 20ms shows that the diversity gain was increased by 1.3dB over the conventional method for a fading rate of 40Hz. PASD is also shown to have improved diversity performance against cochannel interference.

Publication
IEICE TRANSACTIONS on Communications Vol.E77-B No.5 pp.641-646
Publication Date
1994/05/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
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