Error detection scheme for arq systems

H - Electricity – 03 – M

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H03M 13/00 (2006.01) G11B 20/18 (2006.01) H03M 13/03 (2006.01) H04L 1/00 (2006.01) H04L 1/16 (2006.01) H04L 1/18 (2006.01)

Patent

CA 2267373

An error detection and correction scheme for automatic repeat request (ARQ) systems in which multiple copies of a received data packet comprising a CRC field are compared to each other to determine the non-unanimous bit positions. If the number of bit positions thus determined lies under a threshold, tentative packets with all possible configurations at the non-unanimous bit positions are tested on validity by CRC check. In order to account for the changes in the header fields between the multiple copies of a received data packet, the CRC fields are calculated before and after modifying the variable header fields of at least some of multiple copies of said received data packet.

Procédé de détection et de correction d'erreurs destiné à des systèmes de demande de répétition automatique (DRA) dans lesquels plusieurs copies d'un paquet de données reçu comprenant un domaine VRC sont comparées les unes aux autres pour déterminer les positions binaires non unamines. Si le nombre de positions binaires ainsi déterminé est inférieur à un seuil, des paquets d'essai ayant toutes les configurations possibles aux positions binaires non unamines sont testés quant à leur validité par une vérification VRC. Pour prendre en compte les changements intervenant dans les domaines d'en-tête entre les nombreuses copies d'un paquet de données reçu, les domaines VRC sont calculés avant et après la modification des domines d'en-tête variables d'au moins un certain nombre des nombreuses copies dudit paquet de données reçu.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Error detection scheme for arq systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Error detection scheme for arq systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Error detection scheme for arq systems will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1817472

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.