Discontinuous transmission detection for harq feedback
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsQingchao LIU, Xixian CHEN
Life of this patent
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Abstract
According to some embodiments, a method performed by a wireless device comprising: receiving a wireless channel; estimating a signal to interference and noise ratio (SINR) associated with the received wireless channel; determining whether the estimated SINR is below a discontinuous transmission (DTX) threshold; upon determining the estimated SINR is below the DTX threshold, terminating decoding of the received wireless channel; and upon determining the estimated SINR is above the DTX threshold, decoding the received wireless channel.
Claims25
A method performed by a wireless receiver, the method comprising:
- receiving a wireless channel;
- estimating a signal to interference and noise ratio (SINR) associated with the received wireless channel;
- determining whether the estimated SINR is below a discontinuous transmission (DTX) threshold, wherein the DTX threshold is based on:
- a number of receive chains of the wireless receiver;
- or
- whether the wireless receiver is using maximum ratio combining (MRC) or interference reduction combining (IRC);
- upon determining the estimated SINR is below the DTX threshold, terminating decoding of the received wireless channel;
- upon determining the estimated SINR is above the DTX threshold, decoding the received wireless channel;
- and
- performing link adaptation by incrementing or decrementing a link adaptation parameter.
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A wireless receiver comprising processing circuitry operable to:
- receive a wireless channel;
- estimate a signal to interference and noise ratio (SINR) associated with the received wireless channel;
- determine whether the estimated SINR is below a discontinuous transmission (DTX) threshold, wherein the DTX threshold is based on:
- a number of receive chains of the wireless receiver;
- or
- whether the wireless receiver is using maximum ratio combining (MRC) or interference reduction combining (IRC);
- upon determining the estimated SINR is below the DTX threshold, terminate decoding of the received wireless channel;
- upon determining the estimated SINR is above the DTX threshold, decode the received wireless channel;
- and
- perform link adaptation by incrementing or decrementing a link adaptation parameter.
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Dependencies are inferred from the claim text.