Patent ID: 9094960
Filing Date: 2015-07-28
Classification: H04L,H04W,Y02D,Y02E

Abstract:
1. A User Equipment (UE) to support explicit mapping for Hybrid Automatic Retransmission re-Quest (HARQ) for Carrier Aggregation (CA), comprising: a type module configured to detect a type 2 set of DownLink (DL) sub-frames of a radio frame for a virtual HARQ-ACKnowledge (HARQ-ACK) bundling window, wherein the HARQ-ACK bundling window comprises a type 1 set of DL sub-frames transmitted from a first Component Carrier (CC) and the type 2 set of DL sub-frames transmitted from an additional CC, and the type 2 set is bundled with a HARQ-ACK bundling window for the first CC; a selection module configured to select a set of Physical Uplink Control CHannel (PUCCH) resources from multiple sets of PUCCH resources configured by Radio Resource Control (RRC) signaling depending on the Transmit Power Control (TPC) field value in the Downlink Control Information (DCI) format of a corresponding Physical Downlink Control CHannel (PDCCH), wherein each PUCCH resource in the set has a one-to-one relationship associated with a DL frame in the type 2 set; and an index module configured to index a PUCCH resource to a channel value used in a legacy mapping table for HARQ-ACK multiplexing, wherein the PUCCH resource includes HARQ-ACK feedback for the type 2 set of the DL sub-frames.