RTX_PW：A Retransmission Strategy of CMT Using Path Weight

LIU Jie-min; WANG Xing-wei

doi:10.3969/j.issn.0372-2112.2013.06.011

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RTX_PW：A Retransmission Strategy of CMT Using Path Weight

更新时间：2025-07-16

- RTX_PW：A Retransmission Strategy of CMT Using Path Weight
- Acta Electronica Sinica Vol. 41, Issue 6, Pages: 1108-1113(2013)
- 作者机构：
  
  1. 东北大学秦皇岛分校计算机与通信工程学院,河北,秦皇岛,066004
  2. 东北大学信息科学与工程学院,辽宁,沈阳,110819
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61070162, No.61225012)
- DOI：10.3969/j.issn.0372-2112.2013.06.011
  CLC： TP393.4
- Published：2013
- 稿件说明：
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LIU Jie-min, WANG Xing-wei. RTX_PW：A Retransmission Strategy of CMT Using Path Weight[J]. Acta Electronica Sinica, 2013, 41(6): 1108-1113.
DOI：

LIU Jie-min, WANG Xing-wei. RTX_PW：A Retransmission Strategy of CMT Using Path Weight[J]. Acta Electronica Sinica, 2013, 41(6): 1108-1113. DOI： 10.3969/j.issn.0372-2112.2013.06.011.

摘要

针对多路径并行传输(CMT)情况下当路径质量存在较大差异时

部分路径传输优于全部路径的问题

建立了路径的平均吞吐量与丢包率和延迟的拟合关系

提出了一种基于路径权值的CMT重传策略RTX_PW

该策略可有效减缓接收缓存阻塞

提高多路径并行传输的吞吐量.最后

仿真结果表明RTX_PW的性能优于传统重传策略RTX_CWND和RTX_SSTHRESH.

Abstract

According to the problem that partial path transmission is better than the full path when there is a big difference in the quality of the path in concurrent multipath transfer(CMT)environment

the fitting relationship of the path average throughput

packet loss rate and delay is established.A retransmission strategy named RTX_PW using path weight is proposed

and this strategy can decrease the receive buffer block and improve the throughput of concurrent multipath transfer.Finally

simulation results show the performance of RTX_PW outperforms that of the traditional retransmission strategies of RTX_CWND and RTX_SSTHRESH.

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