H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/22 (2009.01)
Patent
CA 2526734
When an urgent communication or the like is caused, it is possible to handle the urgent communication or the like with a higher priority by a simple and effective method. There is provided a communication system in which at emergency, a base station (100) and a mobile station (200a) establish an urgent communication. The mobile station (200a) switches the output adjustment from the normal mode to the emergency mode and transmits an urgent communication with an output as large as possible. The base station (100) receives the strong radio wave from the mobile station (200a) which has transmitted the urgent communication. The base station (100) continues to output a suppression signal to make the other mobile stations suppress a signal strength. The other mobile stations are suppressed by the perspective effect and the base station (100) cannot receive communications other than the urgent communication. Only the mobile station (200a) which has transmitted the urgent communication establishes a communication path with the base station (100). After the establishment, the mobile station (200a) which has transmitted the urgent communication performs communication according to the normal communication procedure.
Selon l'invention, lorsqu'une communication urgente ou analogue est provoquée, il est possible de traiter la communication urgente ou analogue avec plus grande priorité grâce à un procédé simple et efficace. L'invention concerne un système de communication dans lequel en cas d'urgence, une station de base (100) et une station mobile (200a) établissent une communication urgente. La station mobile (200a) commute le réglage de sortie d'un mode normal en un mode d'urgence et transmet une communication urgente avec une sortie aussi grande que possible. La station de base (100) reçoit de fortes ondes radioélectriques de la station mobile (200a) qui a transmis la communication urgente. La station de base (100) continue à émettre un signal de suppression afin de permettre aux autres stations mobiles de supprimer une intensité de signal. Les autres stations mobiles sont supprimées par l'effet de perspective et la station de base (100) ne peut pas recevoir d'autres communications que les communications urgentes. Seule la station mobile (200a) qui a transmis la communication urgente peut établir une voie de communication avec la station de base (100). Après établissement de cette voie de communication, la station mobile (200a) qui a transmis la communication urgente peut effectuer une communication conforme à la procédure de communication normale.
Kanada Naoki
Meguro Naritomo
Shiomi Kakuichi
Yamagishi Atsushi
Electronic Navigation Research Institute An Independent Administrative Institution
Kirby Eades Gale Baker
Mitsubishi Space Software Co. Ltd.
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