Patent ID: 9660787
Date: 2017-05-23
CPC Classifications: H04L,H04W

Claim:
1. A method for transmitting reception acknowledgement for an enhanced physical downlink control channel (EPDCCH) by a user equipment (UE) in a wireless communication system, the method comprising: decoding an EPDCCH in each of a first EPDCCH Physical Resource Block (PRB) set and a second EPDCCH PRB set; and transmitting a reception acknowledgement for each of the EPDCCHs, wherein one of a PRB pair ratio between the first and second EPDCCH PRB sets or an Enhanced Control Channel Element (ECCE) index change in an overlapping EPDCCH PRB set of the first EPDCCH PRB set and the second EPDCCH PRB set is used for determining a resource index for transmitting the reception acknowledgement for each of the EPDCCHs.