Method and system for optimizing a traffic channel in a...

Details Method and system for optimizing a traffic channel in a... Method and system for optimizing a traffic channel in a...

H - Electricity

04

B

H04B 15/00 (2006.01) H01Q 3/26 (2006.01) H04B 7/06 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2274065

In a wireless communications system (20), a beacon having a first radiation pattern (28) covering a portion of a subscriber service area (34) covered by a base station is transmitted. A subscriber (36) reception quality is then measured to produce a first beacon quality measurement (210). Thereafter, the first radiation pattern is changed to a second radiation pattern (32, 212), and a subscriber reception quality of the beacon transmitted with a second radiation pattern is measured to produce a second beacon quality measurement (214). In response to the first and second beacon quality measurements, a traffic channel radiation pattern (32) is selected (218), wherein such radiation pattern covers a portion of the subscriber service area. In a preferred embodiment, the beacon carrier frequency is the same as the traffic channel carrier frequency.

Dans un système de radiocommunications (20), on transmet un balisage qui présente un premier diagramme de rayonnement (28) couvrant une partie d'une zone de service abonnés (34), elle-même couverte par une station fixe. On mesure ensuite la qualité de réception d'un abonné (36) ce qui donne une première mesure de qualité (210) de balisage. Le premier diagramme de rayonnement est ensuite changé en un second diagramme de rayonnement (32, 212), et on mesure la qualité de réception abonné du balisage transmis avec un second diagramme de rayonnement ce qui donne une seconde mesure de qualité (214) de balisage. En réaction aux première et seconde mesures de qualité de balisage, il y a sélection (218) d'un diagramme de rayonnement (32) de canal trafic, couvrant une partie de la zone de service abonnés. Dans un mode de réalisation préféré, la fréquence porteuse de balisage est identique à celle du canal trafic.

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