Adaptive path searcher in a CDMA receiver
In a mobile radio system, the emitted signal can follow different paths to reach the receiver, due to reflections by obstacles. This phenomenon creates a multipath channel and interference among a large number of multipaths with different time delays. The received signal can therefore be selectively...
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| Zusammenfassung: | In a mobile radio system, the emitted signal can follow different paths to reach the receiver, due to reflections by obstacles. This phenomenon creates a multipath channel and interference among a large number of multipaths with different time delays. The received signal can therefore be selectively faded for some frequencies.
Path selection method in a CDMA receiver for the selection of the true path of a transmission channel, comprising the step of comparing the profile energy with a threshold, characterized in that the threshold is dynamically determined as a function of the mean of noise and interference paths derived from the transmission channel profile estimation. |
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