System and method for real time adaptive capacity scheduling

Details System and method for real time adaptive capacity scheduling System and method for real time adaptive capacity scheduling

H - Electricity

04

J

H04J 3/16 (2006.01) H04B 7/212 (2006.01) H04B 7/26 (2006.01) H04J 3/06 (2006.01) H04L 7/04 (2006.01) H04L 12/28 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01) H04N 7/173 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2437725

A point to multipoint (PTMP) system, such as a broadband wireless communications system combines centralized and distributed adaptive capacity scheduling techniques. The system includes hub stations and remote stations. Real time adaptive capacity scheduling is accomplished utilizing inter-path scheduling (52) and intra-path scheduling (54) as well as by use of airlink traffic shaping to mitigate the TDD effect. The inter-path scheduler (52) resides at a hub station and oversees the allocation of available resources/capacity between multiple competing remote station communication paths. The intra-path scheduler (54) determines explicit transmissions form within the context of a single station communication path.

L'invention porte sur un système point à multipoint (PTMP), tel qu'un système de télécommunications sans fil à large bande combinant des techniques centralisées et réparties de programmation adaptative des capacités et comprenant des concentrateurs et des stations éloignées. La programmation en temps réel comporte une programmation interliaisons (52) et une programmation intraliaisons (54) et une mise en forme du trafic des liaisons sans fil atténuant l'effet DRT. Le programmateur interliaisons (52) logé dans un concentrateur coordonne l'attribution des ressources et de la capacité disponibles entre les différentes voies de communications concurrentes entre stations distantes. Le programmateur intraliaisons (54) détermine la forme explicite des transmissions dans le contexte d'une unique liaison avec une station.

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