Patent ID: 9362998
Filing Date: 2016-06-07
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A user equipment (UE) operable to determine a Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK) codebook size for inter-band time division duplex (TDD) carrier aggregation (CA), the UE comprising: one or more processors; a memory device including instructions that, when executed by the one or more processors, causes the UE to: determine a HARQ bundling window for inter-band TDD CA including a number of downlink (DL) subframes using HARQ-ACK feedback; divide the HARQ bundling window into a first part and a second part, wherein the first part of the HARQ bundling window includes DL subframes of configured serving cells that occur no later than the DL subframe where a downlink control information (DCI) transmission for uplink scheduling on a serving cell is conveyed, and the second part of the HARQ bundling window includes physical downlink shared channel (PDSCH) subframes occurring after the DCI transmission of the serving cells; and calculate the HARQ-ACK codebook size based on the first part and the second part.