H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/10 (2006.01) H04B 1/16 (2006.01)
Patent
CA 2619140
A filter for reducing co-channel interference within a communications receiver may include a multi-channel, space-time filter circuit that filters n signal parts that have been split from a communications signal by jointly estimating space-time filter weights and multi-channel impulse responses (CIRs) based upon a singular value decomposition (SVD). The filter may further include a multi-channel, matched filter circuit that receives multi-channel signals from the multi-channel, space-time filter circuit and has a filter response that is provided by a channel impulse response estimation from the space-time filter circuit.
L'invention concerne un filtre permettant de réduire le brouillage dans le même canal à l'intérieur d'un récepteur de communications, qui peut comprendre un circuit filtrant spatio-temporel multicanaux qui filtre n parties de signal ayant été séparées d'un signal de communications par estimation conjointe de pondérations du filtre spatio-temporel et de réponses impulsionnelles multicanaux (CIR) sur la base de la décomposition en valeurs singulières (SVD). Ledit filtre peut également comprendre un circuit filtrant adapté multicanaux qui reçoit des signaux multicanaux du circuit filtrant spatio-temporel multicanaux et qui présente une réponse de filtre produite par une estimation de réponse impulsionnelle de canal provenant du circuit filtrant spatio-temporel.
Kemenczy Zoltan
Simmons Sean
Wu Huan
Borden Ladner Gervais Llp
Research In Motion Limited
LandOfFree
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