초록 ▼

A RAKE receiver (112) includes a plurality of fingers (122, 124, 126, 128). Each finger includes a demodulator (402) for demodulating a ray of a multipath signal and a time tracking circuit (404) for controlling the time position of the finger in accordance with time position of the ray. A low delay

A RAKE receiver (112) includes a plurality of fingers (122, 124, 126, 128). Each finger includes a demodulator (402) for demodulating a ray of a multipath signal and a time tracking circuit (404) for controlling the time position of the finger in accordance with time position of the ray. A low delay-spread condition is detected and the positions of two adjacent fingers are controlled to prevent convergence of two or more fingers about a common time position. By maintaining finger timing separation, path diversity is exploited by the RAKE receiver even during the low delay-spread condition to improve receiver performance.

대표청구항 ▼

[ What is claimed is:] [1.] A method for finger management in a RAKE receiver, the method comprising the steps of:at a first finger of the RAKE receiver, receiving a first signal and varying first finger timing according to timing variation of the first signal;at a second finger of the RAKE receiver

[ What is claimed is:] [1.] A method for finger management in a RAKE receiver, the method comprising the steps of:at a first finger of the RAKE receiver, receiving a first signal and varying first finger timing according to timing variation of the first signal;at a second finger of the RAKE receiver, receiving a second signal and varying second finger timing according to timing variation of the second signal;determining a time separation between the first finger timing and the second finger timing; andmaintaining the time separation greater than a threshold value.