HARQ Feedback Scheme for 5G New Radio
    2.
    发明申请

    公开(公告)号:US20180167171A1

    公开(公告)日:2018-06-14

    申请号:US15834325

    申请日:2017-12-07

    Applicant: MEDIATEK INC.

    Abstract: A Hybrid Automatic Repeat Request (HARQ) feedback scheme that employs a multi-state NACK feedback processing is proposed. A transport block (TB) contains a plurality of code blocks (CBs). When all CBs of the TB are successfully decoded, a one-bit TB ACK is feedback. When at least one CB of the TB is not correctly decoded, a one-bit TB NACK is feedback. In addition, a multi-bit HARQ CB NACK feedback is provided. The multi-bit HARQ CB NACK can point more precisely to the erroneous parts of the TB and trigger efficient retransmission by skipping retransmission of successfully decoded CBs. The network can disable the multi-bit CB NACK for certain UEs, e.g., to reduce overhead. The UE can disable the multi-bit CB NACK, e.g., to save power.

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