H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 88/02 (2009.01) H04B 1/10 (2006.01) H04B 7/005 (2006.01)
Patent
CA 2619109
A wireless communications device may include at least one virtual antenna, and a space-time filter circuit for filtering a communications signal received by the at least one virtual antenna by jointly estimating space-time filter weights and at least one channel impulse response (CIR). The wireless communications device may further include a matched filter circuit downstream from the space-time filter circuit and having a filter response that is provided by a channel impulse response estimation from the space-time filter circuit.
L'invention concerne un dispositif de communication sans fil qui comprend au moins une antenne virtuelle et un circuit de filtrage spatio-temporel conçu pour filtrer le signal de transmission reçu par la ou les antennes virtuelles par établissement d'une estimation conjointe des pondérations du filtre spatio-temporel et d'au moins une réponse impulsionnelle de voie (CIR). Le dispositif de communication sans fil comprend en outre un circuit de filtrage adapté, en aval du circuit de filtrage spatio-temporel, lequel circuit reçoit un signal de réponse de filtre produit sur la base de l'estimation de la réponse impulsionnelle de voie provenant du circuit de filtrage spatio-temporel.
Kemenczy Zoltan
Simmons Sean
Wu Huan
Borden Ladner Gervais Llp
Research In Motion Limited
LandOfFree
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