H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/18 (2006.01) H04L 1/00 (2006.01) H04L 27/34 (2006.01) H04L 27/36 (2006.01)
Patent
CA 2646321
The present invention is related to a simplified QAM signal constellation symbol -wise remapping scheme for data packet retransmissions to improve performance at a high coding rate, wherein mapping rules are determined separately for the I and Q bits The present invention is further related to a method for adaptive switching between bit -wise and symbol -wise constellation remapping for data packet re- transmissions according to channel coding rate to achieve optimum performance across the range of channel coding rates.
La présente invention concerne un schéma simplifié de remappage par symbole de constellation de signaux à MAQ pour des retransmissions de paquets de données, permettant d'améliorer les performances à une vitesse de codage élevée. Des règles de mappage sont déterminées séparément pour les bits I et Q. Cette invention concerne également un procédé de commutation adaptative entre un remappage de constellation par bit et par symbole pour des retransmissions de paquets de données en fonction d'une vitesse de codage de canal, permettant d'obtenir des performances optimales sur la gamme des vitesses de codage de canal.
Interdigital Technology Corporation
Ridout & Maybee Llp
LandOfFree
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