Methods and apparatuses for transmitting non-decodable packets

H - Electricity – 04 – L

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H04L 1/16 (2006.01) H04L 1/18 (2006.01)

Patent

CA 2694688

Acknowledgments (ACKs/ NACKs) are suppressed when transmitting non-decodable packets in a communication system that utilizes HARQ. Non-decodable packets are transmitted to save system bandwidth and make the overall spectral efficiency higher. The transmitter and receiver know that in HARQ when the transmitter transmits a non-decodable packet to the receiver, this will cause the receiver to automatically transmit back a NACK. The transmitter and receiver exploit this fact by discarding and/or not transmitting the NACK (respectively).

L'invention concerne un appareil et un procédé dans lesquels des accusés de réception (ACK/NACK) sont supprimés lors de la transmission de paquets non décodables dans un système de communication qui utilise HARQ. Les paquets non décodables sont transmis pour économiser la largeur de bande du système et rendre le rendement spectral global plus élevé. L'émetteur et le récepteur savent que dans HARQ, lorsque l'émetteur transmet un paquet non décodable au récepteur, cela amènera le récepteur à retransmettre automatiquement un NACK. L'émetteur et le récepteur exploitent ce fait en rejetant et/ou en ne transmettant pas le NACK (respectivement).

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