Method and means for downlink antenna pattern downtilting

Details Method and means for downlink antenna pattern downtilting Method and means for downlink antenna pattern downtilting

H - Electricity

04

W

H04W 24/02 (2009.01) H04W 84/02 (2009.01) H04W 88/00 (2009.01) H01Q 3/02 (2006.01) H01Q 3/26 (2006.01) H04B 15/00 (2006.01)

Patent

CA 2333922

In a cellular telecommunications network, a method and apparatus is disclosed for providing a substantial gain in downlink C/I by means of antenna pattern downtilt while still maintaining the coverage limiting signal strength in the uplink by the use of different antenna pattern downtilt for the transmit and receive antenna patterns.

Selon cette invention, dans un réseau cellulaire de télécommunications un procédé et un appareil permettent de réaliser un gain sensible au niveau du rapport porteuse-brouillage dans la transmission descendante. On recourt à l'inclinaison différenciée de l'antenne tout en maintenant l'intensité du signal de limitation de couverture dans la transmission montante grâce à l'utilisation de différentes inclinaisons vers le bas des diagrammes d'antennes pour le diagramme d'antenne d'émission et pour celui de réception.

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