H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/08 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2255464
An improved multi-antenna receiver is realized for detecting signals transmitted by a multi-antenna transmitter by summingsumming signals received at the plurality of receiver antennas after multiplying each by a respective constant. The summed signal is applied to a maximum likelihood detector. The respective constants, .lambda.j, where j is an index designating a particular receiver antenna, are determined by evaluating the largest eigenvalue of the matrix AA(A*)T, where A is a vector containing the values .lambda.j, and A is a matrix containing elements .alpha. ij, which is the transfer function between the i th transmitter antenna to the j th receiver antenna. The .alpha. ij terms are determined in the receiver in conventional ways.
Lo Titus
Tarokh Vahid
At&t Wireless Services Inc.
Kirby Eades Gale Baker
LandOfFree
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