Method for transmitting traffic indication message in...

H - Electricity – 04 – B

Patent

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H04B 7/26 (2006.01)

Patent

CA 2569020

Disclosed are methods for transmitting/receiving a traffic indication message. In the wireless communication system, a base station groups a plurality of sleep mode IDs, and broadcasts a traffic indication message that includes first bitmap information indicating whether traffic corresponding to respective the sleep mode ID groups exists and second bitmap information indicating whether traffic indicators with respect to the respective sleep mode IDs that belong to the sleep mode ID groups exists. A mobile station which is allocated with any one of the plurality of sleep mode IDs, determines whether the traffic occurs in the sleep mode ID group to which the MS itself belongs using the first bitmap information if the MS receives the traffic indication message, and checks the traffic indicator of the terminal itself using the second bitmap information if the traffic occurs in the sleep mode ID group to which the MS belongs.

La présente invention concerne des procédés permettant de transmettre/recevoir un message d'indication de trafic. Dans le système de communication sans fil, une station de base regroupe plusieurs identités en mode sommeil, puis elle diffuse un message d'indication de trafic qui comprend des premières informations de tables de bits indiquant si le trafic correspondant aux groupes d'identités en mode sommeil existe; et des secondes informations de tables de bits indiquant si les indicateurs de trafic associés aux identités en mode sommeil qui appartiennent aux groupes d'identités en mode sommeils existent. Une station mobile à laquelle on a attribué une ou plusieurs des identités en mode sommeil, détermine si le trafic a lieu dans le groupe d'identités en mode sommeil auquel la station mobile appartient elle-même, au moyen des premières informations de tables de bits, si la station mobile reçoit le message d'indication de trafic, puis elle vérifie l'indicateur de trafic du terminal lui-même, au moyen des secondes informations de tables de bits, si le trafic a lieu dans le groupe d'identité en mode sommeil auquel la station mobile appartient.

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