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Automatic Repeat Request (ARQ)
Automatic Repeat Request (ARQ)A Layer-2 sliding-window based flow control mechanism. Per connection basis. Only effective to non-real-time applications. Uses a 11-bit sequence number field. Uses CRC-32 checksum of MAC PDU to check data errors. Maintain the same fragmentation structure for Retransmission. Used to detect errors in an OFDM symbol. Usually used with FEC.IntroductionAutomatic Repeat
