Method and radio communication system for allocating a radio...

H - Electricity – 04 – Q

Patent

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Details

H04Q 7/38 (2006.01)

Patent

CA 2326336

The invention relates to channel allocation in a radio communication system with time slots. The downlink radio channel (tsx) is allocated by the radio station (BS) depending on a channel allocation pattern (CAP) of a mobile station (MS) indicating the output power for the time slots. Allocation by the mobile station (MS) of the radio channel (tsx) is corrected under the control of the mobile station depending on an interference pattern (IP) indicating the interference power of the time slots. Output power is almost evenly distributed on the existing time slots by the radio station for downlink transmission by conducting allocation depending on time slot occupation in accordance with the channel allocation pattern. Soft-handover and its disadvantages are prevented when combined with mobile station controlled correction for the allocated time slot, even when the interference-critical frequency reuse spacing (cluster reuse) equals one.

L'invention concerne l'affectation d'un canal dans un système de radiocommunication comprenant des créneaux temporels. Le radiocanal (tsx) de la liaison descendante est affecté par une station de base (BS) en fonction d'un schéma d'affectation de canal (CAP) d'une station mobile (MS), ce schéma indiquant les puissances d'émission des créneaux temporels. L'affectation du radiocanal (tsx) est corrigée par la station mobile en fonction d'un schéma d'interférence (IP) indiquant les puissances d'interférence des créneaux temporels. L'affectation en fonction de l'occupation des créneaux temporels selon le schéma d'affectation de canal permet une répartition si possible uniforme de la puissance d'émission sur les créneaux temporels de la station de base présents dans le sens descendant. Cette possibilité de correction commandée par la station mobile, associée au créneau temporel affecté, permet d'éviter le transfert fin et ses inconvénients, même pour une distance de répétition de fréquence (réutilisation de groupe de cellules) critique pour les interférences égale à un.

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