H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/04 (2006.01) H03G 3/30 (2006.01) H04B 1/69 (2006.01) H04B 7/005 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2199482
This invention teaches a method, and circuits that operate in accordance with the method, for adaptively controlling the transmitted power of a CDMA transmitter (50, 102). The method includes the steps of: (a) presetting a register, such as a counter (112), with an estimate of a maximum transmitter gain signal, the counter having a count output that is a representation of a maximum transmitter gain signal (TX max); (b) deriving a transmitter gain signal (TX gain) from a received CDMA signal; (c) comparing TX max to TX gain and, if TX gain is greater than TX max, (d) applying a gain control signal to the transmitter that is derived from TX max, and (e) enabling the counter to increase its count; else, if TX gain is less than TX max, (f) applying a gain control signal to the transmitter that is derived from TX gain, and (g) disabling the counter from increasing its count.
L'invention concerne un procédé et des circuits fonctionnant selon ce dernier, conçus pour commander de manière adaptative la puissance transmise d'un émetteur AMDC (50, 102). Le procédé consiste: (a) à prérégler un registre tel qu'un compteur (112) selon une estimation du signal de gain maximum de l'émetteur, le compteur présentant une sortie de comptage représentative d'un signal de gain maximum de l'émetteur (max Tx); (b) à dériver un signal de gain de l'émetteur (gain TX) d'un signal AMDC reçu; (c) à comparer max TX à gain TX, et, si gain TX est supérieur à max TX, (d) à envoyer un signal de commande de gain dérivé de max TX à l'émetteur, et (e) à laisser le compteur continuer son comptage; ou, si gain TX est inférieur à max TX, (f) à envoyer un signal de commande de gain dérivé de gain TX à l'émetteur, et (g) à empêcher le compteur de continuer son comptage.
Heinonen Jarmo
Mucke Lars Henrik
Nokia Mobile Phones Ltd.
Sim & Mcburney
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