Faster frame error detection in a cdma network

H - Electricity – 04 – W

Patent

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H04W 80/02 (2009.01)

Patent

CA 2516261

Systems and methods for evaluating packets and frames in a wireless communication system having multiple reverse-link channels including a spontaneous, burst oriented transmission channel and its corresponding rate indicator channel. One embodiment comprises a base station monitoring the rate indicator channel(510), decoding the rate indicator channel using a maximum likelihood decoder and detecting the presence of a packet on the rate indicator channel by comparing a likelihood with a threshold(520), and analyzing the validity of a frame on the burst oriented channel based on the presence and content of packets received on the rate indicator channel (530).

L'invention concerne des systèmes et des procédés permettant d'évaluer des paquets et des trames dans un système de communication sans fil ayant plusieurs canaux de liaison retour comprenant un canal de transmission spontanée par rafales et son canal indicateur de débit correspondant. Dans un mode de réalisation, l'invention concerne une station de base surveillant le canal indicateur de débit (510), décodant ledit canal indicateur de débit au moyen d'un décodeur à vraisemblance maximale et détectant la présence d'un paquet sur le canal indicateur de débit par comparaison d'une vraisemblance à un seuil (520), et analyse de la validité d'une trame sur le canal par rafales sur la base de la présence et du contenu des paquets reçus sur le canal indicateur de débit (530).

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