Patent ID: 9060283
Filing Date: 2015-06-16
Classification: H04L,H04W

Abstract:
1. A method for transmitting downlink Channel State Information (CSI) in a wireless communication system supporting multiple downlink carriers, the method comprising: receiving uplink grant Downlink Control Information (DCI) including a Channel Quality Indicator (CQI) request on one or more downlink carriers; measuring first CSI for one or more first-type downlink carriers and second CSI for one or more second-type downlink carriers; and transmitting the first CSI and the second CSI in Physical Uplink Shared Channel (PUSCH) resources indicated by the uplink grant DCI, wherein the multiple downlink carriers include the first-type downlink carriers and second-type downlink carriers, and wherein the first CSI includes a greater number of CSI types than the second CSI.