Apparatus, and associated method, for providing open loop diversity in a radio communication system
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United States of America Patent
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Dec 28, 2010
Grant Date -
Nov 6, 2008
app pub date -
May 1, 2007
filing date -
May 1, 2007
priority date (Note) -
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Abstract
Apparatus, and an associated method, for providing transmit diversity to an open-loop MIMO communication scheme, such as a point to multipoint broadcast service in a cellular system. Multiple data streams of the broadcast data are broadcast by way of transmit diversity antennas of a sending station. The data symbols of the separate data streams are phase-shifted to be offset in phase from one another. The data streams, once the data symbols thereof are selectably phase-shifted by a phase shifter, are applied by an applier to sending nodes of the respective cells.
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