RTS阈值文献调研

1.A New Dynamic Scheme for Efficient RTS Threshold Handling in Wireless Networks

结论一：adjusts RTS Threshold according to the packet delivery ratio；

结论二： based on Bianchi  ；

图一 图二

2. A Real-Time Updating Algorithm of RTS-CTS Threshold to Enhance EDCA MAC Performance in IEEE 802.11e Wireless LANs

结论一:实验统计，提出最优RTS阈值

结论二：RTS-CTS threshold dynamically according to the number of transmission attempts and the number of STAs

3. An adaptive RTS threshold adjust algorithm based on minimum energy consumption in IEEE 802.11 DCF

结论一：optimizationof RT based on a power management scheme to improve the average energy consumption by packet。

结论二：揭示RTS阈值与节点数目、退避窗口，最大退避等级有关；

图三

4.Collaborative Setting of RTS_CTS in Multi-Rate Multi-BSS IEEE 802.11 Wireless LANs

结论一：RTS/CTS settings should consider the characteristics of users’ traffic, data rates, activities and locations；

结论二：The results show that aggregate throughput of low rate users improved significantly when RTS/CTS is enabled；

结论三：RTS/CTS is accompanied with a decrease in the number of retransmissions；

5.Exploiting Packet Distribution for Tuning RTS Threshold in IEEE 802.11

结论一： a numerical way to fix the RTS Threshold adaptively based on network traffic；RTS阈值与网络流量有关，数值方式；

结论二： Considering multi-hop networks with hidden node problems；考虑了隐藏节点问题，多跳网络；

结论三： In [6], authors proposed to set RT based on number of stations. Others, such as [7], [8] have emphasized on packet delivery ratio or transmission probability；RTS阈值依赖网络节点，包成功转发率，传送速率；

6.Packet Distribution based Tuning of RTS Threshold in IEEE 802.11

与5一摸一样的，换汤不换药；

7.Performance Optimization of DCF-MAC Standard using Enhanced RTS Threshold under impact of IEEE 802.11n WLAN

结论一：OPENET;

结论二：

8.RTS Threshold Adjustment Algorithm for IEEE 802.11 DCF

结论一：optimal RTS threshold based on the estimation of successful transmitting probability of packets；RTS阈值基于包成功发送概率；

结论二：OPNET; 没用模型，数学计算；

9.RTS Threshold Self-Tuning Algorithm Based on Delay Analysis on 802.11 DCF

结论一：RTS threshold highly depend on the network’s environment, not only the packet size, but also the collision probability and the number of stations in the network；RTS阈值依赖包长，冲突概率和节点数目；

结论二：

10.The Impact of RTS Threshold on IEEE 802.11 MAC Protocol

11.The Impact of RTS Threshold on the Performance of Multi rate Network