Power control using erasure techniques

Details Power control using erasure techniques Power control using erasure techniques

H - Electricity

04

L

H04L 1/00 (2006.01) H04B 7/005 (2006.01) H04L 1/20 (2006.01)

Patent

CA 2570310

Techniques for performing erasure detection and power control for a transmission without error detection coding are described. For erasure detection, a transmitter transmits codewords via a wireless channel. A receiver computes a metric for each received codeword, compares the computed metric against an erasure threshold, and declares the received codeword to be "erased" or "non-erased". The receiver dynamically adjusts the transmit power based on whether the codewords met the erasure threshold or not.

L'invention concerne des techniques de détection d'effacement et de commande de puissance pour transmission sans codage de détection d'erreur. S'agissant de la détection d'erreur, un émetteur transmet des mots de code via un canal sans fil. Un récepteur calcule une métrique pour chaque mot de code reçu, compare la valeur de métrique avec un seuil d'effacement et déclare le mot de code reçu <= effacé >= ou <= non effacé >=. Le récepteur règle de façon dynamique la puissance d'émission selon que les mots de code correspondent au seuil d'effacement ou non.

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