H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 72/04 (2009.01) H04W 88/08 (2009.01)
Patent
CA 2529554
An apparatus, system, and method efficiently manage reverse link communication in a communication system having geographically distributed base stations. A base station functioning to at least one mobile station as a non-serving active base station estimates an expected coupled load due to the at least one mobile based on a previous total coupled load. The base station determines a total available capacity based on the difference between the total capacity of the base station and the estimated expected coupled load. The base station allocates reverse link resources to other mobile stations served by the base station so as not to exceed the total available capacity. Since the allocation of reverse link channels resources are controlled directly by the base station, delays due to communications with a central controller are eliminated. As a result, adverse effects of load scheduling based on obsolete reverse channel information are minimized.
L'invention concerne un dispositif, un système et un procédé pour la gestion efficace de ressources de communication sur liaison inverse dans un système de communication distribue à stations de base ayant une distribution géographique. Une station de base fonctionnant avec au moins une station mobile, comme station de base active hors desserte, fait une estimation de charge couplée prévisionnelle imputable à la station mobile ou aux stations mobiles en fonction d'une charge totale couplée antérieure. Elle détermine une capacité disponible totale en fonction de la différence entre sa capacité totale propre et la charge couplée prévisionnelle estimée. Elle attribue des ressources de liaison inverse à d'autres stations mobiles desservies de manière à ne pas dépasser la capacité disponible totale. Etant donné que l'attribution des ressources de canaux en liaison inverse est contrôlée directement par la station de base, les retards imputables aux communications avec un contrôleur central sont éliminés. Ainsi, on réduit au minimum les effets préjudiciables de la programmation de charge qui repose sur une information de canal en liaison inverse obsolète.
Chen Tao
Jain Avinash
Tiedemann Edward G. Jr.
Qualcomm Incorporated
Smart & Biggar
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