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    • 6. 发明授权
    • ARQ communication system and method with acknowledgment mapping
    • ARQ通信系统和确认映射方法
    • US08730968B2
    • 2014-05-20
    • US11568545
    • 2005-05-05
    • Matthew P. J. BakerTimothy J. MoulsleyPaul Bucknell
    • Matthew P. J. BakerTimothy J. MoulsleyPaul Bucknell
    • H04L12/28
    • H04L1/1685H04L1/0002H04L1/1825H04L1/1854H04L1/1887
    • A method of operating a communication system in which transmissions in a first direction, say from a base station, comprise frames formed by data packets and transmissions in a second direction, say from a user equipment (U E), comprise substantially continuous transmissions having acknowledgement fields (ARQ-A, ARQ-B) for data packets and transmission gaps (GP) to allow the UE to make other measurements. The acknowledgement fields are mapped to the data packets to enable the base station to determine which data packets are being acknowledged. In order to avoid ambiguity in mapping acknowledgement fields to data packets when a transmission gap occurs, a single data packet is transmitted in either the frame whose acknowledgement field would occur in the transmission gap or the frame whose acknowledgement field would occur immediately following the transmission gap. Thus the base station will know that the acknowledgement field immediately following the transmission gap maps onto the data packet transmitted in the selected one of the two frames. In one embodiment a data packet is not transmitted in the frame whose acknowledgement field would occur immediately following the transmission gap. In a refinement of the method, the selection of the particular frame is related to the one which can support a high rate data packet.
    • 一种操作通信系统的方法,其中从第一方向(例如从基站)传输包括由数据分组形成的帧和来自用户设备(UE)的第二方向的传输,包括具有确认字段的基本上连续的传输 (ARQ-A,ARQ-B),用于数据包和传输间隙(GP),以允许UE进行其他测量。 确认字段被映射到数据分组,以使基站能够确定正在确认哪些数据分组。 为了避免在发送间隙时将确认字段映射到数据分组时的歧义,单个数据分组将在发送间隙中发生确认字段的帧或发送间隙后立即发生确认字段的帧中发送单个数据分组 。 因此,基站将知道紧跟在传输间隙之后的确认字段映射到在两个帧中所选择的一个中发送的数据分组。 在一个实施例中,在确认字段将在传输间隙之后立即发生的帧中不发送数据分组。 在该方法的改进中,特定帧的选择与可以支持高速率数据分组的选择有关。