Patent ID: 9496977
Filing Date: 2016-11-15
CPC Classification: H04J,H04L,H04W

Claim Text:
1. A reference signal transmission method in a wireless telecommunication system, comprising: multiplexing, on each of a plurality of reference signal sub-carriers in a resource block, reference signal symbols of multiple space layers in a resource block according to a codeword sequence corresponding to the reference signal sub-carrier; and transmitting the multiplexed reference signal symbols of the space layers; wherein the codeword sequence is one of four codeword sequences, and for the codeword sequences and the plurality of reference signal sub-carriers in the resource block, a mapping relationship exists between each codeword sequence and a reference signal sub-carrier; each codeword sequence comprises a codeword A, a codeword B, a codeword C and a codeword D, arranged in an arranging order, and arranging orders of the codeword A, the codeword B, the codeword C and the codeword D in the codeword sequences are different from each other.