Reverse link power control in an orthogonal system based on...

Details Reverse link power control in an orthogonal system based on... Reverse link power control in an orthogonal system based on...

H - Electricity

04

B

H04B 7/005 (2006.01)

Patent

CA 2574561

A closed-loop reverse-link power control algorithm for a frequency hopping orthogonal frequency division multiple access (FH-OFDMA) system is described. The power control algorithm adjusts the user's transmit power based on effective carrier-to-interference (C/I) and Received-Power-Over-Thermal (RpOT) measurements. The algorithm is inherently stable and is effective for FH-OFDMA systems with retransmissions.

L'invention concerne un algorithme de contrôle de puissance de liaison inverse en boucle fermée pour un multiplexage par répartition orthogonale de sauts de fréquence (FH-OFDMA). L'algorithme de contrôle de puissance règle la puissance de transmission d'utilisateur en fonction du rapport porteuse/interférence efficace (C/I) et de mesures de puissance reçue sur puissance thermique (RpOT). Cet algorithme est stable et efficace de manière inhérente pour les systèmes FH-OFDMA présentant des retransmissions.

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