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指出链路层策略在提高无线链路可靠性的同时,对传输层带来的影响,并采用明确丢失应答作为反馈信息,根据不同的数据丢失原因采取相应的措施,保证了对有线拥塞的及时检测和处理能力,使源端能在无线链路传输差错率高的情况下保持较高的传输速率,同时避免传输层与链路层之间不必要的重发竞争,从而提高了异质媒体网络上端到端的数据吞吐量。
It points out that the link layer strategy can improve the reliability of the wireless link and affect the transport layer at the same time, and uses the explicit loss response as the feedback information and takes corresponding measures according to different data loss reasons to ensure the timely Detection and processing capability so that the source end can maintain a higher transmission rate when the radio link transmission error rate is high while avoiding unnecessary retransmission competition between the transmission layer and the link layer so as to improve heterogeneous media End-to-end data throughput on the network.