Gsm interference band selection and reduced power handover

H - Electricity – 04 – B

Patent

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Details

H04B 15/00 (2006.01) H04B 7/26 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2097587

A method is offered of achieving a desired C/I ratio within a cellular system, at reduced transmitter power levels, by measuring a signal loss on a downlink between a base site transmitter (31) and mobile receiver (20) and calculating an uplink signal magnitude at a base site receiver. A communication channel is then selected from a number of communication channels based upon comparison of the uplink signal magnitude with pre-measured interference levels of each channel of the number of channels to produce a desired C/I ratio.

Méthode permettant d'obtenir un rapport porteuse-brouillage désiré dans un système cellulaire, à des niveaux de puissance d'émetteur réduits, en mesurant une perte de signal sur la liaison descendante entre un émetteur de site de base (31) et un récepteur mobile (20) et en calculant la grandeur d'un signal sur la liaison montante à un récepteur de site de base. Un canal de communication est ensuite choisi parmi un certain nombre de canaux de communication d'après une comparaison de la grandeur du signal en sens montant avec les niveaux de brouillage prémesurés de chacun des canaux précités afin de produire un rapport porteuse-brouillage désiré.

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