Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-07-26
2005-07-26
Beamer, Temica M. (Department: 2681)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S562100, C455S103000
Reexamination Certificate
active
06922570
ABSTRACT:
The invention relates to a wireless radiofrequency data communication system comprising:a base-station comprising multiple first sets and a signal processing-unit, wherein each first set comprises a transmitter- and receiver-unit provided with a transmitter and a receiver and at least one antenna which is connected to the transmitter- and receiver-unit, wherein the signal processing-unit is connected with each of the first sets for processing signals received by the first sets and processing signals to be transmitted by the first sets, andmultiple second sets, wherein each second set comprises a transmitter- and receiver-unit provided with a transmitter and a receiver and at least one antenna which is connected to the transmitter- and receiver-unit.
REFERENCES:
patent: 5592490 (1997-01-01), Barratt et al.
patent: 5642353 (1997-06-01), Roy et al.
patent: 0938194 (1999-08-01), None
patent: WO 98/09381 (1998-03-01), None
patent: WO98/27669 (1998-06-01), None
patent: WO99/45657 (1999-09-01), None
patent: WO99/57820 (1999-11-01), None
Y. Li et al., “Adaptive Antenna Arrays For OFDM Systems With Cochannel Interference,”IEEE Transactions on Communications, vol. 47, No. 2, pp. 217-229 (Feb. 1999).
Awater Greet Arnout
Van Nee D. J. Richard
Agere Systems Inc.
Beamer Temica M.
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