Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Reexamination Certificate
2005-11-22
2005-11-22
Ramakrishnaiah, Melur (Department: 2643)
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
C455S134000, C455S504000, C370S335000
Reexamination Certificate
active
06968169
ABSTRACT:
A receiver that uses multiple antennas to receive signals arriving over multiple paths and is configured for enhanced received signal path detection accuracy and improved reception quality includes a receive weight generating circuit that generates receive weights for every antenna based on signals received from the antennas, a summing circuit that calculates sums of results obtained by multiplying the signals from the antennas and the receive weights of the individual antennas generated by the receive weight generating circuit and path detection circuit that detects the paths of the received signals based on the sums calculated by the summing circuit.
REFERENCES:
patent: 0806844 (1997-11-01), None
patent: 2343817 (2000-05-01), None
patent: 411055216 (1999-02-01), None
patent: 411205286 (1999-07-01), None
patent: 00/33481 (2000-06-01), None
patent: 00/35123 (2000-06-01), None
Hitachi Kokusai Electric Inc.
Ramakrishnaiah Melur
Wenderoth , Lind & Ponack, L.L.P.
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