Table design for 256 quadrature amplitude modulation
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United States of America Patent
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Jan 2, 2018
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N/A
app pub date -
Jan 28, 2015
filing date -
Jan 30, 2014
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Abstract
According to some embodiments, a method of determining a modulation coding scheme in a wireless network comprises receiving a CQI index, wherein the CQI index comprises a four-bit value associated with a channel quality of a wireless signal and identifying an entry in a CQI table based on the CQI index. The CQI table comprises: a first contiguous plurality of table entries associated with low SINR, each entry based on a first sampling grid; a second contiguous plurality of table entries associated with medium SINR, each entry based on a second sampling grid; and a third contiguous plurality of table entries associated with high SINR, each entry based on a third sampling grid. The method further comprises determining a modulation coding scheme based on the identified entry in the CQI table and encoding a transmission block according to the determined modulation coding scheme.
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