Method and apparatus for transmission framing in a wireless...

H - Electricity – 04 – W

Patent

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H04W 28/06 (2009.01) H04H 20/71 (2009.01) H04H 60/91 (2009.01) H04W 28/04 (2009.01) H04W 80/00 (2009.01) H04L 12/56 (2006.01)

Patent

CA 2442378

Method and apparatus for framing in a wireless transmission system supporting broadcast transmissions. A framing format incorporates fields specific to a unidirectional transmission and reduces the overhead of the system. One embodiment employs a version of HDLC having a start of frame field and an error checking mechanism attached to the payload of each frame, wherein protocol information is not transmitted with each individual frame.

Procédé et dispositif de formation de trames dans un système de transmission sans fil permettant des diffusions générales. Un format de mise en trames incorpore des champs spécifiques de transmission unidirectionnelle et permet de réduire le surdébit du système. Une forme de réalisation de l'invention utilise une version de procédure HDLC comportant un champ de début de trame et un dispositif de détection d'erreurs annexé à la charge utile de chaque trame ; les données de protocole ne sont pas transmises avec chaque trame individuelle.

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