Method for antenna gain acquisition in a cellular system

H - Electricity – 04 – Q

Patent

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Details

H04Q 7/38 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2362899

A cell base station includes a first directive antenna array (104) (to form one beam (106) per cell sector) and a second directive antenna array (110) (to form a plurality of narrow (112) beams per cell sector). Location verification modules (132, 134) are further included for operation in connection with each of the first and second directive antenna arrays. To identify and characterize any difference in gain between the first and second directive antenna arrays, mobile station azimuth orientation with respect to the base station is determined and various signal strength and power related measurements and settings are collected from the mobile station and base station. The collected data is then mathematically processed (206, 228, 246) to determine a value indicative of the difference in gain between the first and second directive antenna arrays as a function of the azimuth orientation.

L'invention concerne une station de base cellulaire comprenant un premier réseau d'antennes directionnelles (104) (pour former un faisceau (106) par secteur cellulaire) et un second réseau d'antennes directionnelles (110) (pour former une pluralité de faisceaux étroits (112) par secteur cellulaire). Les modules de vérification d'emplacement (132, 134) sont destinés à fonctionner avec chacun des premier et second réseaux d'antennes directionnelles. On définit l'orientation azimutale de la station mobile par rapport à la station de base et on recueille les mesures de l'intensité du signal, les mesures de la puissance ainsi que des paramètres depuis la station mobile et la station de base et ce, dans le but d'identifier et de caractériser toute différence en gain entre les premier et second réseaux. Les données collectées sont ensuite traitées de manière mathématique (206, 228, 246) pour déterminer une valeur indiquant la différence en gain entre les premier et second réseaux comme fonction de l'orientation azimutale.

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