Patent ID: 7012951
Filing Date: 2006-03-14
Classification: H04B

Abstract:
1. A Rake receiver for performing a symbol combining function with respect to demodulated multi-path signals in a demodulation step of a code division multiple access(CDMA) communication system, comprising only one FIFO(First-In First Out) register that accumulates a plurality of previously-stored FIFO register values by using an adding part and then stores the accumulated value in the FIFO register when storing a finger-demodulated symbol in the FIFO register, and further including a control logic part that determines a block position of the FIFO register where a transmitted symbol demodulated in each finger is to be stored and outputs a combined symbol data after receiving an output signal, and wherein the control logic part includes a circuit for calculating a writing position of the FIFO register by using a phase of a PN code, a symbol duration, and a depth of the FIFO register.