Method and system for reduced complexity channel estimation...

Details Method and system for reduced complexity channel estimation... Method and system for reduced complexity channel estimation...

H - Electricity

04

W

H04W 72/00 (2009.01) H04W 24/00 (2009.01)

Patent

CA 2743371

A method and system for wireless communication in a wireless communication network. The wireless communication network has a first mobile terminal and a second mobile terminal arranged in virtual multiple input, multiple output ("V-MIMO") communication with a base station. A first wireless communication uplink channel corresponding to the first mobile terminal is estimated. The estimate is based on a first reference symbol signal and the cancellation of interference from a second reference symbol signal received from the second mobile terminal. A second wireless communication uplink channel corresponding to the second mobile terminal is estimated. The estimate is based on the second reference symbol signal and the cancellation of interference from the first reference symbol signal received from the first mobile terminal. The estimated first wireless communication uplink channel is used to demodulate a first data signal received from the first wireless device, and the estimated second wireless communication uplink channel is used to demodulate a second data signal received from the second wireless device.

L'invention concerne un procédé et un système de communication radio dans un réseau de communication sans fil comportant un premier terminal mobile et un deuxième terminal mobile configurés en vue dune communication à entrées multiples et sorties multiples virtuelles ("V-MIMO") avec une station de base. Un premier canal montant de communication sans fil correspondant au premier terminal mobile est estimé. Lestimation est basée sur un premier signal de symbole de référence (SRS) et sur la suppression des interférences issues dun deuxième signal de symbole de référence reçu en provenance du deuxième terminal mobile. Un deuxième canal montant de communication sans fil correspondant au deuxième terminal mobile est estimé. Lestimation est basée sur le deuxième signal de symbole de référence et sur la suppression des interférences issues du premier signal de symbole de référence reçu en provenance du premier terminal mobile. Le premier canal montant de communication sans fil estimé est utilisé pour démoduler un premier signal de données reçu en provenance du premier dispositif sans fil, et le deuxième canal montant de communication sans fil estimé est utilisé pour démoduler un deuxième signal de données reçu en provenance du deuxième dispositif sans fil.

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