Controlling forward link traffic channel power

H - Electricity – 04 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H04B 7/185 (2006.01) H04B 7/005 (2006.01)

Patent

CA 2464875

Forward link transmission power to a user terminal (124a, 124b, 124c) in a wireless communications system (100) having a plurality of beams (204) is controlled by determining a baseline power level, Pbaseline, from a received active pilot channel signal-to-noise ratio (SNR) (402); determining a power margin, Pmargin, from an identified interference susceptibility (404); determining a power level correction, Pcorrection, based on an identified packet error rate (PER) (406); and setting Ptransmit based on Pbaseline, Pmargin, and Pcorrection (420). For example, Ptransmit may be set to a power level that is substantially equal to the sum of Pbaseline, Pmargin, and Pcorrection. The determination of each of Pbaseline, Pmargin, and Pcorrection may be performed in independently running control loops or processes.

On commande la puissance de transmission en liaison aval à destination d'un terminal d'utilisateur (124a, 124b, 124c) dans un système de communication sans fil (100) comportant plusieurs faisceaux (204), en déterminant un niveau de puissance de ligne de base, <i>P<sb>ligne de base</sb></i>, à partir d'un rapport signal/bruit (SNR) de canal pilote actif reçu (402), en déterminant une marge de puissance, <i>P<sb>marge</sb></i>, à partir d'une sensibilité aux interférences identifiée (404); en déterminant une correction de niveau de puissance, <i>P<sb>correction</sb></i>, sur la base d'un taux d'erreurs de paquets (PER) identifié (406); et en fixant la valeur <i>P<sb>transmission</sb></i> sur la base des valeurs <i>P<sb>ligne de base</sb></i>, <i>P<sb>marge</sb></i> et <i>P<sb>correction</sb></i> (420). Par exemple, la valeur <i>P<sb>transmission</sb></i> peut être fixée à un niveau de puissance qui est sensiblement égal à la somme des valeurs <i>P<sb>ligne de base</sb>, P<sb>marge</sb> </i>et<i> P<sb>correction</sb>.</i> La détermination de chacune des valeurs <i>P<sb>ligne de base</sb>, P<sb>marge</sb> </i>et<i> P<sb>correction</sb></i> peut être effectuée dans des boucles ou des processus de commande se déroulant indépendamment.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Controlling forward link traffic channel power does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Controlling forward link traffic channel power, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controlling forward link traffic channel power will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1821892

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.