Method for regulating power of point-to-multipoint...

H - Electricity – 04 – B

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H04B 7/005 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2335882

In order to regulate the transmitter power provided for point-to-multipoint telecommunication connections in a telecommunications system having wireless telecommunication and an uncoordinated unlicensed system operation without substantially limiting the transmission range of the transmitter, the fact that the maximum number of mobile stations (MS1 à MSn) connected to a base station (BS1) is known is taken advantage of. The base station knows how many and which mobile stations are connected at any one time. If all mobile stations are connected (NIST = NSOLL), the base station can adapt the transmitter power thereof to the "weakest" received mobile station. Otherwise, when all mobile stations are not connected (NIST ≠ NSOLL), the base station transmits in an alternating manner with the maximum transmitter power for a first predetermined period of time, and afterwards with the reduced transmitter power, said reduced transmitter power being adapted to the "weakest" received mobile station, for a predetermined second period of time.

Dans le but de réguler la puissance d'émission prévue pour des liaisons de télécommunication point-multipoint dans un système de télécommunication à télécommunication sans fil et à mode d'exploitation du système sans licence non coordonné, sans limitation substantielle de la portée de l'émetteur, on met à profit le fait que le nombre maximal des stations mobiles (MS1...MSn) connectées à une station de base (BS1) est connu. La station de base sait également à quel moment combien de stations mobiles et lesquelles sont connectées. Si toutes les stations mobiles sont connectées (N¿IST? = N¿SOLL?), la station de base peut alors adapter sa puissance d'émission à la station mobile reçue "le plus faiblement". Autrement, si toutes les stations mobiles ne sont pas connectées (N¿IST? ≠ N¿SOLL?) , la station de base va émettre en alternance, pendant une première période prédéfinie, avec la puissance d'émission maximale, et ensuite, pendant une deuxième période prédéfinie, avec la puissance d'émission réduite qui est adaptée à la station mobile reçue "le plus faiblement".

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