Patent ID: 9078250
Filing Date: 2015-07-07
Classification: H04L,H04W

Abstract:
1. A device, comprising: a communication module, configured for packet based communication, and comprising a receiving module, wherein said receiving module is configured to receive a control message and at least one index, wherein said control message includes a plurality of acknowledgement information items for a plurality of devices, each of said plurality of acknowledgement information items being respectively located in a preset portion of said control message corresponding to said at least one index, a determination module, configured to determine whether said received control message is for at least said device, by decoding, responsive to determining that said control message is received in a predetermined time interval after an uplink transmission, said received control message in at least one configured search space location to detect a downlink control information format, and checking correctness of a cyclic redundancy check (CRC) portion of said downlink control information format using payload bits in said downlink control information format, a selection module, configured to select, responsive to determining that said received control message is for at least said device, at least one acknowledgement information item comprising a subset of said plurality of acknowledgement information items included for said device, and an obtaining module, configured to obtain control data contained in said selected at least one of said plurality of acknowledgement information items.