H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/005 (2006.01) H04B 1/707 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2383786
The invention is related to control of transmissions in spread spectrum radio systems, more accurately to estimating transmission power increases caused by new transactions in the system. According to the invention, the estimate of interference power increase due to a new transaction is calculated at least partly on the basis of the current fractional load, the current received interference power level, and a load factor .delta.L, which is calculated essentially on the basis of the chiprate, the bitrate of the new transaction, and the estimated required signal-to-interference ratio for the service type of the new transaction.
L'invention concerne le contrôle des émissions de système radioélectrique à spectre étalé, avec une précision accrue, pour estimer les augmentations de puissance d'émission engendrées par de nouvelles transactions dans le système. On estime l'augmentation de puissance de brouillage due à une nouvelle transaction en effectuant un calcul qui repose au moins partiellement sur la charge fractionnaire et le niveau de puissance de brouillage reçue au moment considéré, et sur un facteur de charge <i> DELTA L</i> déterminé essentiellement d'après le débit des éléments, le débit binaire de la nouvelle transaction et l'estimation du rapport signal-bruit requis pour le type de service de la nouvelle transaction.
Laakso Janne
Valkealahti Kimmo
Nokia Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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