Pulse or digital communications – Receivers
Reexamination Certificate
2006-07-18
2006-07-18
Ghebretinsae, Temesghen (Department: 2637)
Pulse or digital communications
Receivers
C375S147000, C375S324000, C455S137000
Reexamination Certificate
active
07079593
ABSTRACT:
A measuring unit selects as a representative signal a signal whose received power is the largest among digital received signals in a training signal period, and regards the remaining signals as signals to be processed. Based on a representative notifying signal, a classification unit rearranges the orders of digital received signals after the end of a training signal period. In a synthesizing unit, a multiplier weights the digital received signals with receiving weight vector signals so as to generate multiplication signals which will be summed up in an adder. A receiving weight vector signal computing unit computes receiving weight vector signals by using an adaptive algorithm, over the training signal period of time. After the end of a training signal period, the receiving weight vector signals are updated based on the multiplication signals.
REFERENCES:
patent: 2002/0187814 (2002-12-01), Yoshida
patent: 2005/0053123 (2005-03-01), Higuchi et al.
patent: 2001-285161 (2001-10-01), None
Higashida Nobuo
Nakao Seigo
Ghebretinsae Temesghen
NTT Data Sanyo System Corporation
Sanyo Electric Co., LTD
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