Power headroom management in wireless communication systems

Details Power headroom management in wireless communication systems Power headroom management in wireless communication systems

H - Electricity

04

W

H04W 52/16 (2009.01) H04W 52/24 (2009.01) H04W 52/36 (2009.01)

Patent

CA 2710616

Systems and methodologies are described that facilitate power headroom management in a wireless communication system. As described herein, a predefined relationship between locations along a system frequency band and corresponding power backoff parameters is utilized to minimize spurious emissions outside the system frequency band and/or excessive interference by, for example, associating locations near one or more edges of the permitted frequency band with substantially high power backoff parameters. As further described herein, the predefined relationship can be known a priori to the base station and the mobile terminal.

L'invention concerne des systèmes et des méthodologies qui facilitent la gestion de marge de puissance dans un système de communication sans fil. Comme décrit dans l'invention, une relation prédéfinie entre des emplacements le long d'une bande de fréquence de système et des paramètres de recul de puissance correspondants est utilisée pour réduire à un minimum les émissions non essentielles à l'extérieur de la bande de fréquence de système et/ou une interférence excessive, par exemple par l'association d'emplacements près d'un ou de plusieurs bords de la bande de fréquence autorisée à des paramètres de recul de puissance sensiblement élevés. Comme décrit en outre dans l'invention, la relation prédéfinie peut être connue a priori de la station de base et du terminal mobile.

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