Rake reception method for a spread spectrum signal

Details Rake reception method for a spread spectrum signal Rake reception method for a spread spectrum signal

1998-09-10

1999-12-07

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375347, 455137, H04B 169

Patent

active

059995602

ABSTRACT:
The connection between a plurality of antenna output signals and a plurality of finger units is switched in dependence upon a reception state of each multipath propagation path at each antenna branch to controllably select those finger units to be subjected to RAKE combination. A particular finger unit is excluded from RAKE combination if the reception state does not satisfy a predetermined condition.

REFERENCES:
patent: 5602834 (1997-02-01), Dean et al.
patent: 5621752 (1997-04-01), Antonio et al.
patent: 5737327 (1998-04-01), Ling et al.
patent: 5754583 (1998-05-01), Eberhardt et al.
Viterbi, A., CDMA/Principles of Spread Spectrum Communication, Addison-Wesley Publishing Company, p. 89, 1995.
Higashi, et al., "Path/Space Joint Diversity Performance of Coherent Detection RAKE with Interpolation on DS-CDMA", Proceedings of IEICE General Conference, B-410, 1995.
Karasawa, et al., "A Space-Path Hybrid Diversity Scheme for Base-Station Reception in CDMA Mobile Radio Communication Systems", Technical Report of IEICE, SAT93-12, pp. 41-47, 1993.
Andoh, et al., "Performance of RAKE and Space Diversity Using Multi-pilot-block Channel Estimation for DS-CDMA", Proceedings of IEICE General Conference, B-5-13, 1997.
Higashi, et al., Performance of Coherent RAKE detection using Interpolation on DS/CDMA, Technical Report of IEICE, RS 94-98, pp. 57-62, 1994.

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