Signal processing method and related device
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United States of America Patent
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Oct 11, 2016
Grant Date -
May 21, 2015
app pub date -
Jan 21, 2015
filing date -
Jul 26, 2012
priority date (Note) -
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Abstract
A signal processing method and related equipment are provided, which are used for reducing the number of antennas needed by a proximal user equipment to detect a low power signal. The method comprises: adjusting a pre-coding vector of a high power data stream to allow a product of the pre-coding vector and an effective receiving channel for a low power data stream equal to a constant; performing superposition coding on the low power data stream and the adjusted high power data stream; and sending the superposition-coded data stream to user equipments, wherein the user equipments comprise a user equipment at a center of a cell and a user equipment at an edge of the cell, the high power data stream is an interference while the low power data stream is desirable for the user equipment at the center of the cell.
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