Since WCDMA up-link adopt the RAKE receiver using coherent detection system, the exact and Real-time channel fading estimation of the transmitted signal is needed to realize the phase correction and coherent reception.
英
美
- 由于WCDMA系統上行鏈路采用的是基于相干解調的RAKE接收方案，故要求對信號在多徑衰落信道中所經(jīng)歷的衰落作出準確實(shí)時(shí)的估計，以便在RAKE接收機中實(shí)現相位糾偏和相干接收。
