Diversity receiver

Details Diversity receiver Diversity receiver

1997-07-18

1999-10-19

Loomis, Paul

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

455134, 4552262, 4552772, H04B 1702, H04B 1700, H04B 106

Patent

active

059703962

ABSTRACT:
A diversity receiver having a pair of receiving circuits, which is capable of disconnecting a faulty receiving circuit from its operation for preventing a communication quality from being degraded due to mis-selection of output signal of the faulty receiving circuit in a case of signal level being received is too low to discriminate between output signals of the faulty receiving circuit and the normal receiving circuit, is provided. The diversity receiver includes a first and second error rate accumulation circuits, each is coupled with corresponding receiver circuit, to accumulate error rate of each receiver circuit in a timing generated by a timing generator circuit. In combination of six judge circuits, first judge circuit to sixth judge circuits, and input of error accumulation value of each receiving circuit, it is judged whether or not there exist a fault in a receiving circuit and which receiving circuit is faulty. Then, a control circuit disconnects one of receiving circuit judged as faulty from its operation by fixing switch to a normal receiving circuit.

REFERENCES:
patent: 5390342 (1995-02-01), Takayama et al.
patent: 5396645 (1995-03-01), Huff
patent: 5621770 (1997-04-01), Zastera
patent: 5648992 (1997-07-01), Wright et al.
patent: 5740526 (1998-04-01), Bonta et al.
patent: 5805643 (1998-09-01), Seki et al.
Japanese Office Action dated Oct. 7, 1998 with English language translation of Japanese Examiner's comments.

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