EDCA

Selfish attacks in IEEE 802.11aa networks with intra-AC prioritization

The 802.11 standard is prone to selfish attacks performed by insiders, i.e., correctly authenticated stations. The recently released 802.11aa amendment is likewise prone to such attacks because the mechanisms which it provides can be selfishly …

Improving QoS and security in wireless ad hoc networks by mitigating the impact of selfish behaviors: a game‐theoretic approach

Selfish users are known to be a severe security threat for wireless ad hoc networks. In particular, they can exploit mechanisms designed to assure quality of service (QoS) in the network. In this paper, the problem of backoff misbehavior in IEEE …

Detecting backoff misbehaviour in IEEE 802.11 EDCA

In this paper, we suggest the use of the chi‐square test for detecting backoff misbehaviour in IEEE 802.11 EDCA networks. A performance evaluation is performed to compare the chi‐square test with two other methods, known in the literature. To perform …

Supporting QoS in Integrated Ad-Hoc Networks

Ad-hoc networking is becoming a promising solution to increase the radio coverage of wireless systems. Integrated mobile ad-hoc networks (MANETs), considered as multi-hop networks connected to fixed networks through one or more gateways, seem to be …

An IEEE 802.11 EDCA Model with Support for Analysing Networks with Misbehaving Nodes

We present a novel model of IEEE 802.11 EDCA with support for analysing networks with misbehaving nodes. In particular, we consider backoff misbehaviour. Firstly, we verify the model by extensive simulation analysis and by comparing it to three other …

Impact of Misbehaviour on QoS in Wireless Mesh Networks

This paper analyzes the impact of misbehaviour on QoS provisioning in wireless mesh networks. Misbehaviour occurs when a network participant decides not to cooperate. Since cooperation is fundamental for distributed environments such as mesh …