H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/26 (2006.01) H04W 24/08 (2009.01) H04W 88/00 (2009.01) H04L 1/20 (2006.01)
Patent
CA 2714634
Methods are described for configuring a quantizer to achieve improved end-to-end distortion performance when transmitting encoded source data over a noisy channel. The codebook and partitioning are selected using an iterative process of determining an updated codebook and an updated partition space, where the updated codebook is based, in part, on the average symbol error probability of the channel. Complete knowledge of the transitional probabilities of the channel is not required. Variants of the iterative process are described.
Linvention concerne des procédés pour configurer un quantificateur afin de parvenir à de meilleures performances de distorsion de bout à bout lors de la transmission de données de source encodées sur un canal bruyant. Le livre de codes et le partitionnement sont sélectionnés en utilisant un processus itératif de détermination dun livre de codes mis à jour et dun espace de partition mis à jour, le livre de codes mis à jour étant basé, en partie, sur la probabilité derreur de symbole moyenne du canal. Une connaissance complète des probabilités de transition du canal nest pas nécessaire. Des variantes du processus itératif sont décrites.
Wang Haiquan
Yang En-Hui
Yu Xiang
Research In Motion Limited
Rowand Intellectual Property Law
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