Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2005-01-25
2005-01-25
Nguyen, Chau (Department: 2661)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S503000, C375S343000
Reexamination Certificate
active
06847616
ABSTRACT:
A transmission channel response calculation section calculates first to n-th transmission channel responses and stores the calculated first to n-th transmission channel responses in a memory section. A correlation calculation section obtains correlation values of the second to n-th transmission channel responses to the first transmission channel responses, respectively, and outputs the obtained correlation values to a transmission channel response synthesis section. The transmission channel response synthesis section gives weights according to the correlation values, weight-synthesizes the first to n-th transmission channel responses, and obtains a synthesized transmission channel response. An influence of noise on the synthesized transmission channel response is reduced. A distortion compensation section eliminates a distortion of the reception signal using the synthesized transmission channel response. Thus, it is made possible to calculate a transmission channel response without being influenced by the noise of a receiver and to ensure eliminating a transmission channel distortion.
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Horisaki Koji
Sato Kazumi
Kabushiki Kaisha Toshiba
Nguyen Chau
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Wahba Andrew
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