To CFB mechanism , paper proposes one group ACK mechanism and analysed theoretically, at the same time proposes using FEC/ARQ mechanism for the wireless network in order to improve network quality.

• 针对CFB机制,提出了一种群组ACK机制并从理论上分析了该机制的有效性,且建议把FEC/ARQ机制用于无线网络中以提高网络质量;