H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/10 (2006.01) H04B 1/16 (2006.01)
Patent
CA 2618072
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 QR and eigenvalue decompositions. 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.
La présente invention concerne un filtre permettant de réduire un brouillage dans un même canal dans un récepteur de communication qui peut comprendre un circuit filtre spatio-temporel multicanal, qui filtre n parties de signal qui a été découpé d'un signal de communication par une estimation conjointe de pondérations de filtre spatio-temporel et de réponse d'impulsion multicanal (CIR) fondée sur des décompositions de QR et de valeurs propres. Ce filtre peut aussi comprendre un circuit filtre apparié multicanal qui reçoit des signaux multicanaux de ce circuit filtre spatio-temporel multicanal et qui possède une réponse de filtre qui est fournie par une estimation de réponse d'impulsion de canal du circuit filtre spatio-temporel.
Kemenczy Zoltan
Simmons Sean
Wu Huan
Borden Ladner Gervais Llp
Research In Motion Limited
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