H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 17/00 (2006.01) H04W 24/08 (2009.01) H04B 1/707 (2006.01)
Patent
CA 2333723
A method and apparatus for evaluating signal strength of a channel received at a mobile station within a spread spectrum communication systems is disclosed. If the receiver at the mobile station receives a spread spectrum signal, a first sampling means converts the received signal into a first sample stream as a first sampling. A second sampling means converts the first sample stream into a second sample stream at a second sample rate, different from the first sample rate. The signal strength of a pilot channel is measured based upon the first and second sample streams.
L'invention se rapporte à un procédé et à un appareil permettant d'évaluer l'intensité des signaux d'un canal reçu au niveau d'une station mobile au sein d'un système de communication à étalement des spectres. Si le récepteur de la station mobile reçoit un signal à spectre étalé, un premier dispositif d'échantillonnage convertit ce signal en un premier train d'échantillonnage, à une première fréquence d'échantillonnage. Un second dispositif d'échantillonnage convertit le premier train d'échantillonnage en un second train d'échantillonnage à une seconde fréquence d'échantillonnage, différente de la première fréquence d'échantillonnage. L'intensité du signal d'un canal pour signaux pilotes est mesurée en fonction des premier et second trains d'échantillonnage.
Bottomley Greg
Ramesh Rajaram
Sourour Essam Abdelfattah
Ericsson Inc.
Marks & Clerk
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