Transmission method and radio apparatus utilizing the...

Details Transmission method and radio apparatus utilizing the... Transmission method and radio apparatus utilizing the...

2004-02-19

2010-12-14

Urban, Edward (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S410000, C455S411000, C455S426100

Reexamination Certificate

active

07853293

ABSTRACT:
From received digital signals and a reference signal, a response vector computing unit computes a received response vector as a received response characteristic of the received signals against a transmission signal. The received response vector computed by the response vector computing unit is stored in a desired terminal response vector table. A virtual response vector for a virtual interception terminal apparatus is stored in a virtual intercepting terminal response vector table. A transmission weight vector computing unit computes a transmission weight vector necessary for weighting a transmission information signal from the received response vector and the virtual response vector, using a Wiener solution. A multiplication unit weights the transmission information signals with the respective transmission weight vectors so as to output transmission digital signals.

REFERENCES:
patent: 5448753 (1995-09-01), Ahl et al.
patent: 6061025 (2000-05-01), Jackson et al.
patent: 2004/0152470 (2004-08-01), Spain
patent: 2004/0203908 (2004-10-01), Hind et al.
patent: 2007/0165552 (2007-07-01), Kasapi et al.
patent: P2002-77015 (2002-03-01), None

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