System and method for transmit diversity base upon transmission channel delay spread

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United States of America Patent

PATENT NO 7336719
APP PUB NO 20030099304A1
SERIAL NO

09999438

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a diversity transmission system. The diversity transmission system includes a method and system of diversity transmission through a wireless channel formed between multiple transmission antennae of a transceiver and a subscriber unit. The method includes forming a stream of symbols from an incoming data stream. A plurality of the symbols are selected forming a data vector. A maximum delay spread through the wireless channel is determined. The maximum delay spread is generally determined as a multiple of a sample time spacing between elements of the data vector. A plurality of diversity vectors are generated based upon the data vector and the maximum delay spread, each diversity vector includes a plurality of elements. Corresponding elements of the diversity vectors are simultaneously transmitted, each diversity vector transmitted from at least one corresponding antenna of a plurality of spatially separate antennae. This embodiment can further include repeatedly simultaneously transmitting corresponding elements of the diversity vectors until all elements of the diversity vectors have been transmitted, each diversity vector transmitted from at least one corresponding antenna of a plurality of spatially separate antennae.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gore, Dhananjay Stanford, CA 11 450
Paulraj, Arogyaswami J Stanford, CA 48 3779
Sandhu, Sumeet Mountain View, CA 69 2386
Talwar, Shilpa Palo Alto, CA 148 3086

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