Controlling multiple modems in a wireless terminal using...

H - Electricity – 04 – B

Patent

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Details

H04B 7/005 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2503586

A mobile wireless terminal (MWT) includes multiple wireless modems. The multiple modems have their respective transmit outputs combined together to produce an aggregate transmit output. The multiple modems can concurrently transmit data in a reverse link direction and receive data in a forward link direction. The MWT is constrained to operate under an aggregate transmit power limit. Each of the multiple modems has an individual transmit limit related to the aggregate transmit power limit. An MWT controller adjusts the individual transmit power limits in the multiple modems based on an aggregate transmit power limit of the MWT and respective transmit power estimates from the modems, to cause each individual transmit power limit to track a corresponding individual modem transmit power.

L'invention concerne un terminal mobile sans fil (MWT) comprenant de multiples modems sans fil. Les multiples modems ont leurs sorties de transmission correspondantes combinées de manière à produire une sortie de transmission d'agrégat. Les multiples modems peuvent transmettre des données de manière concurrentielle dans une direction de liaison inverse et recevoir des données dans une direction de liaison avant. Ledit terminal mobile est restreint à fonctionner dans une limite de puissance de transmission d'agrégat. Chacun des multiples modems présente une limite de transmission individuelle associée à la limite de puissance de transmission d'agrégat. Un contrôleur dudit terminal ajuste les limites de puissance de transmission individuelles dans les multiples modems sur la base d'une limite de puissance de transmission d'agrégat dudit terminal mobile sans fil et transmet respectivement les estimations de puissance des modems, de sorte que chaque limite de puissance de transmission localise une puissance de transmission de modem individuelle correspondante.

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