| 摘要 |
A user equipment for physical layer automatic repeat request is disclosed. The user equipment comprises a higher layer automatic repeat request (ARQ) mechanism, a physical layer transmitter, a physical layer receiver, an acknowledgment (ACK) transmitter and an adaptive modulation and control unit (AMC). A higher layer ARQ mechanism generates data for transmission. A physical layer transmitter receives the data for transmission from the higher layer ARQ mechanism, to format the received data into packets for transmission. A physical layer receiver receives and demodulates received packets and retransmission statistics. An ACK transmitter transmits a corresponding acknowledgment for a given packet at the physical layer receiver. An AMC unit adjusts a particular encoding/data modulation of each packet using collected retransmission statistics.
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