专利名称:Interference cancellation in adjoint
operators for communication receivers
发明人:Louis L. Scharf,Steve J. Shattil申请号:US11035141申请日:20050113
公开号:US20060153283A1公开日:20060713
专利附图:
摘要:A receiver in a wireless communication system comprises a reverse transformconfigured to produce a vector of baseband signal values, and a projection cancellerconfigured to project the vector of baseband signal values onto at least one subspacethat is substantially orthogonal to an interference subspace. The reverse transform maybe adjoint to a forward transform employed by at least one transmitter in the wirelesscommunication system. The combination of interference cancellation with one or morereceiver operations may be a substantially adjoint operation relative to one or moretransmitter operators and channel-propagation effects. The reverse transform mayinclude a Fourier transform, a wavelet transform, or any other well known invertibletransforms. Reverse transforms may include spread-spectrum multiple-access coding and
may be implemented in systems configured to perform single-input, multiple output ormultiple-input, multiple-output operations. Interference components may be selected ina projection canceller relative to predetermined ratios of interference in the receivedsignal.
申请人:Louis L. Scharf,Steve J. Shattil
地址:Fort Collins CO US,Boulder CO US
国籍:US,US
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