Radio telephone apparatus for performing space diversity recepti

Details Radio telephone apparatus for performing space diversity recepti Radio telephone apparatus for performing space diversity recepti

1996-10-01

1999-07-27

Chan, Jason

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370324, 370331, 370522, 370528, 455403, 455422, 455553, 375232, H04B 7216, H04B 7212, H04J 300, H04Q 514

Patent

active

059302453

ABSTRACT:
A radio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication system under an operating condition in which a frame period containing a signal transmission period, a signal reception period and a base station observation period is provided, which comprises first and second antennas for signal transmission in the signal transmission period, the space diversity reception prior to each of the signal reception period and the base station observation period and signal reception in each of the signal reception period and the base station observation period, and an antenna selector operative to select one of the first and second antennas in accordance with space diversity technique to be used for receiving a data signal from a specific base station in the signal reception period and to select further one of the first and second antennas in accordance with space diversity technique to be used for receiving a data signal from one of base stations other than the specific base station in the base station observation period.

REFERENCES:
patent: 4486624 (1984-12-01), Puhl et al.
patent: 5392054 (1995-02-01), Bottomley et al.
patent: 5740531 (1998-04-01), Okada
patent: 5852604 (1998-12-01), Cooley et al.

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