Patent ID: 9369251
Filing Date: 2016-06-14
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A base station to transmit Channel State Information-Reference Signal (CSI-RS) muting information to a user equipment, the base station corresponding to a specific cell, the base station comprising: a processor configured to generate CSI-RS muting information including a first data field that indicates a cycle and an offset of muting subframes and a second data field having an n-bit bitmap, the n being an integer among 12 to 28, and each bit of the n-bit bitmap indicating whether to apply muting in the muting subframes; and a transmitter configured to transmit the CSI-RS muting information to the user equipment, wherein the processor is configured to map data to resource elements using the CSI-RS muting information, the mapping process including a muting for zero power transmission, and wherein the transmitter is configured to transmit a signal including the mapped data to the user equipment.