H - Electricity – 04 – B
Patent
H - Electricity
04
B
340/72
H04B 15/00 (2006.01) H04L 27/01 (2006.01)
Patent
CA 1174745
-28- INTERFERENCE CANCELLATION METHOD AND AP PA RATUS Abstract Weighted sums of samples of an interference- corrupted data signal are generated to form phase- compensated, symbol-spaced samples. The interference- corrupted signal is at the same time subjected to conventional adaptive equalization and is otherwise processed so as to form tentative decisions as to the transmitted data. Cancellation signals representing the interference components of the phase-compensated samples are generated by forming respective weighted sums of the tentative decisions and each cancellation signal is combined with a respective phase-compensated sample to provide cancelled samples from which final data decisions are made. The weighting coefficients used to form the phase-compensated samples and the cancellation signals are adaptively updated in response to error signals derived from the difference between each cancelled sample and the corresponding final decision.
413311
Gersho Allen
Gitlin Richard D.
Ho Edmond Y.
Lawrence Victor B.
Lim Tong L.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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