Signal acquisition for wireless communication systems

Details Signal acquisition for wireless communication systems Signal acquisition for wireless communication systems

H - Electricity

04

L

H04L 27/26 (2006.01) H04L 5/02 (2006.01)

Patent

CA 2651398

Systems and methodologies are described that facilitate signal acquisition in a wireless communication system on one or more frequency carriers corresponding to a portion of the deployed bandwidth in a wireless communication environment. By communicating using carriers that include only a portion of the total system bandwidth, channels used for communication in a carrier may be less dispersive than channels used for communication across the entire bandwidth. Thus, the amount of transmit power required for devices in the system may be reduced. Further, the carriers may be divided from the deployed system bandwidth such that each carrier is sufficiently large to minimize the effects of fading on component frequency response, thereby further optimizing system performance.

L'invention concerne des systèmes et des procédés facilitant l'acquisition de signaux dans un système de communication sans fil sur une ou plusieurs porteuses de fréquence correspondant à une partie de la bande passante déployée dans un environnement de communication sans fil. L'utilisation de porteuses ne comprenant qu'une partie de la bande passante totale du système pour communiquer permet d'obtenir des voies de transmission moins dispersives dans une porteuse, par rapport aux voies utilisées pour communiquer sur la bande passante entière. De cette manière, on réduit la quantité de puissance d'émission nécessaire aux dispositifs du système. De plus, les porteuses peuvent être divisées à partir de la bande passante déployée du système de sorte que chaque porteuse soit suffisamment grande pour réduire au minimum les effets d'évanouissement sur la réponse des fréquences composantes, ce qui permet d'optimiser davantage l'efficacité du système.

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