Patent ID: 9094145
Filing Date: 2015-07-28
Classification: H04B,H04J,H04L,H04W

Abstract:
1. A communications method implemented in a transmission point (TP) used in a coordinated multipoint transmission and reception (CoMP) system, the communications method comprising: transmitting, to a user equipment (UE), attributes for up to four indicators indicating at least physical downlink shared channel (PDSCH) resource element (RE) mapping; and transmitting, to the UE, one of the four indicators, each of which is conveyed in 2 bits, wherein the four indicators comprises ‘00’, ‘01’, ‘10’, and ‘11’ corresponding to a first set, a second set, a third set, and a fourth set of parameters, respectively, wherein the attributes include cell-specific reference signal (CRS) information, quasi-co-location information, and a PDSCH start point, wherein the attributions are transmitted semi-statically and the indication is transmitted dynamically, and wherein the indicator is conveyed in a downlink control information (DCI) format.