Patent ID: 8477672
Filing Date: 2013-07-02
Classification: H04L

Abstract:
1. A method of wireless communication at a user equipment (UE), comprising: spreading an HS-DPCCH slot using a spreading factor of 128; transmitting acknowledgment status for first and second carriers during a first half of the HS-DPCCH slot; and transmitting acknowledgment status for a second half of the HS-DPCCH slot, wherein the second half comprises acknowledgment status for a repeat acknowledgment for the first and second carriers and one or both of third and fourth carriers, wherein the transmitting of the acknowledgement status for the first and second carriers comprises transmitting a codeword selected from a DC-MIMO codebook specified in Rel-9 of the W-CDMA standard or a DC-HSDPA codebook specified in Rel-9 of the W-CDMA standard, the first and second carriers corresponding to respective logical carriers, and the UE configured to receive at least three carriers.