Patent ID: 11936572
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The communication apparatus according to claim 9, wherein based on each subframe of the secondary component carrier being the first subframe, and each subframe of the primary component carrier comprising an sTTI that occupies two OFDM symbols and an sTTI that occupies three OFDM symbols, the sending the downlink information by using a first sTTI in the first subframe of the secondary component carrier comprises:
sending the downlink information by using an sTTIn in a downlink subframe of the secondary component carrier, wherein the sTTIn indicates an sTTI whose index marker is n, and the sTTIn is an sTTI ranked in an nth place based on a time sequence in N sTTIs within M consecutive subframes in the carrier aggregation system, wherein M is an integer greater than and N is an integer greater than M; and
wherein the receiving the feedback information for the downlink information by using a second sTTI of the primary component carrier comprises:
receiving the feedback information for the downlink information by using an sTTIm in an uplink subframe of the primary component carrier, wherein the sTTIm indicates an sTTI whose index marker is m, the sTTIm is an sTTI ranked in an mth place based on the time sequence in N sTTIs within M consecutive subframes in the carrier aggregation system, and a value of m is the same as a corresponding index value of an sTTI that is used for transmission of the feedback information in a condition where the downlink information is delivered by using the sTTIn in the downlink subframe of the primary component carrier.