Spatio-temporal processing for communication

Details Spatio-temporal processing for communication Spatio-temporal processing for communication

H - Electricity

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B

H04B 7/02 (2006.01) H01Q 3/26 (2006.01) H01Q 3/40 (2006.01) H04B 7/04 (2006.01) H04B 7/08 (2006.01) H04B 7/10 (2006.01) H04L 1/06 (2006.01) H04L 25/02 (2006.01) H04L 27/26 (2006.01) H04B 1/10 (2006.01) H04B 7/06 (2006.01) H04L 1/00 (2006.01) H04L 1/18 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2302289

The invention provides a space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or single receiver antenna element, and is not restricted to wireless contexts. One embodiment employs a substantially orthogonalizing procedure (SOP) in conjunction with a plurality of transmitter antenna elements and one receiver antenna element. The SOP decomposes the time domain space-time communication channel that may have inter symbol interference (ISI) into a set of parallel, space-frequency, SOP bins wherein the ISI is substantially reduced and the signal received at a receiver in one bin of the SOP is substantially independent of the signal received in any other bin. The decomposition of the ISI-rich space-time channel into substantially independent SOP bins makes it computationally efficient to implement various advantageous spatial processing techniques.

Cette invention se rapporte à un système de traitement de signauxespace-temps ayant une complexité avantageusement réduite. Ce système peut tirer profit de multiples éléments d'antenne émetteurs et/ou de multiples éléments d'antenne récepteurs ou de multiples polarisations d'un seul élément d'antenne émetteur et/ou d'un seul élément d'antenne récepteur. Ce système n'est pas limité à des contextes sans fils et peut exploiter n'importe quel canal ayant de multiples entrées ou de multiples sorties et certaines autres caractéristiques. Des effets multivoies dans un support de transmission produisent une augmentation multiplicative de la capacité.

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