Holland & Hart LLP
Reliable channel assisted hybrid-arq
Methods, systems, and devices are described for wireless communication. A transmitter may receive feedback that a station failed to decode a packet sent over a first channel, and the transmitter may determine to re-send the packet or to send parity bits over the first channel or over a second channel to assist in decoding the failed packet. The first channel may be in an unlicensed radio frequency spectrum, and the second channel may be in a licensed radio frequency spectrum and may have a higher reliability level compared to the first channel. The transmitter may determine a first channel degradation level, which may be based on a signal-to-noise ratio received from the station, and may determine an amount of parity bits to send based on the degradation. The transmitter may determine the reliability level of each channel, which may be based on a channel quality indicator.
QUALCOMM Incorporated
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Junyi Shrinivas Xinzhou Thomas Joseph
Li Kudekar Wu Richardson