Method and apparatus for conserving energy in a selective...

H - Electricity – 04 – B

Patent

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Details

H04B 7/185 (2006.01) H04B 1/16 (2006.01) H04Q 1/00 (2006.01) H04Q 7/00 (2006.01) H04Q 7/06 (2006.01) H04Q 7/08 (2006.01) H04Q 7/26 (2006.01) H04Q 7/18 (2006.01)

Patent

CA 2287956

A radio communication system (5) includes a transmitting unit (1) coupled to at least one controller (6). The controller (6) is adapted to subdivide the SCR's (selective call receivers) (2) into SCR groups, assign the SCR groups to supergroups, and assign a selected number of message frames (216) and message intervals (208) to each SCR group in each supergroup. A supergroup is then selected, and included in an acquisition group message. The supergroup is for directing SCR's (2) targeted to receive the acquisition group message to monitor messages during the message reception interval (203) according to the supergroup. The controller (6) then invokes the transmitting unit (1) to transmit the acquisition group message to the SCR's (2). Messages target for specific SCR's (2) are then generated, and transmitted by way of the transmitting unit (1) according to the supergroup selected. The targeted SCR's (2) receive the messages according to the supergroup received.

L'invention concerne un système de radiocommunication (5) comprenant une unité émettrice (1) couplée à au moins un contrôleur (6). Ce dernier est conçu pour subdiviser les récepteurs d'appel sélectifs (SCR)(2) en groupes de SCR, pour affecter ces groupes à des supergroupes, et pour attribuer un nombre déterminé de trames de messages (216) et d'intervalles de message (208) à chaque groupe de SCR dans chaque supergroupe. On choisit ensuite un supergroupe, à inclure dans un message de groupe d'acquisition. La fonction du supergroupe est de piloter les SCR (2) prévus pour recevoir le message de groupe d'acquisition afin de contrôler les messages pendant l'intervalle de réception entre les messages (203), en fonction des caractéristiques du supergroupe. Ensuite, le contrôleur (6) demande à l'unité émettrice (1) de transmettre le message de groupe d'acquisition aux SCR (2). Les messages destinés à des SCR (2) spécifiques sont alors établis et transmis par ledit module (1), selon le supergroupe choisi. Les SCR (2) visés reçoivent les messages en fonction du supergroupe reçu.

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