A Study on Detection Method of Selfish Terminal Using Manipulated MAC Parameters over WLAN
A Study on Detection Method of Selfish Terminal Using Manipulated MAC Parameters over WLAN
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DOI：
10.1109/candar.2015.60
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发表时间：
2015-12
期刊：
影响因子：
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通讯作者：
Hiroyasu Obata;C. Takano;K. Ishida
中科院分区：
文献类型：
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作者：
Hiroyasu Obata;C. Takano;K. Ishida
在基于IEEE802.11的无线LAN中，每个无线终端可以使用CSMA/CA（具有冲突避免的载波侦听多路访问）来获得公平的通信机会。然而，因为每个终端具有诸如竞争窗口（CW）和分布式帧间间隔（DIFS）的MAC参数，所以可以操纵这些参数以提高吞吐量。这项研究是指终端使用操纵MAC层参数的吞吐量提高作为一个自私的终端。如果存在自私终端，则会影响使用默认参数的正常终端的吞吐量。因此，检测自私终端的机制已经成为重要的技术之一。现有的方法试图检测总是使用被操纵的MAC参数的自私终端。然而，他们没有考虑自私终端试图隐藏操纵的情况（即，自适应欺骗）。因此，在本文中，我们提出了一种检测方法的自私终端使用自适应欺骗。接下来，我们通过仿真实验来评估所提出的方法。结果表明，该方法可以用于特定环境下的自适应欺骗自私终端检测。
In the wireless LAN based on IEEE802.11, each wireless terminal can obtain fair communication opportunity using CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance). However, because each terminal has MAC parameters such as Contention Window (CW) and Distributed InterFrame Space (DIFS), it is possible that these parameters are manipulated for throughput improvement. This study refers to the terminal using manipulated MAC layer parameters for throughput improvement as a selfish terminal. If the selfish terminal exists, it affects the throughput of normal terminals using default parameters. Therefore, a mechanism to detect the selfish terminal has become one of important technologies. The existing methods try to detect the selfish terminal that always uses the manipulated MAC parameters. However, they did not consider the case when the selfish terminal tries to hide the manipulation (i.e., adaptive cheating). Therefore, in this paper, we propose a detection method for the selfish terminal using adaptive cheating. Next, we evaluate the proposed method by simulation experiments. As a result, we found that the proposal can be used for detection of the selfish terminal with adaptive cheating in the specified environment.