System and method for received signal prediction in wireless...

Details System and method for received signal prediction in wireless... System and method for received signal prediction in wireless...

2006-01-24

2006-01-24

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S150000, C375S267000, C375S343000, C375S347000, C375S349000, C455S137000, C455S273000, C455S278100, C370S334000

Reexamination Certificate

active

06990137

ABSTRACT:
Method and apparatus to compute the combiner coefficients for wireless communication systems for a space-time solution. One embodiment trains the weights on a signal known a priori that is time multiplexed with other signals, such as a pilot signal in a High Data Rate, HDR, system, wherein the signal is transmitted at full power. A Minimizing Mean Square Error, MMSE, approach is applied allowing weight combining on a per path basis. The weights are calculated as a function of a noise correlation matrix and spatial signature per path. The noise correlation matrix is determined from an autocorrelation matrix of the received signal. In one embodiment, the MMSE approach is applied to a non-time gated pilot signal.

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Simon Haykin, “Adaptive Filter Theory,” Communications Research Laboratory, McMaster University;Third Edition, Prentice Hall 1996. Chapter 13 (pp. 562-588).

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