[PDF] Top 20 A Control Theoretic Approach to Distributed Optimal Configuration of 802.11 WLANs

... In this section we evaluate DAC by conducting an extensive set of simulations under different traffic scenarios and compare its performance against the following approaches: the standard default configuration ... See full document

... DCF is the fundamental channel access scheme in IEEE 802.11 WLANs, based on the carrier sense multiple access with collision avoidance (CSMA/CA) mechanism [7]. Two ways of accessing the channel are defined. The ... See full document

... in WLANs, the real-time voice and non real-time data flows are multiplexed on the same ...on WLANs, these issues need to be ...based WLANs. IEEE 802.11e standard [3] defines Enhanced ... See full document

... the optimal configuration of the channel access parameters depends on the WLAN ...adaptive approach to handle video traffic and optimize its ...EDCA configuration of the IEEE ...our ... See full document

... Enhanced Distributed Coordination Ac- cess (EDCA) [IEEE ...the configuration of both mechanisms is left open, as the standard only specifies a simple scheduler to provide CBR services for the case of HCCA, ... See full document

... Fig. 4.1 illustrates the location of the nodes. We placed one node (denoted as AP) towards the center of the testbed, thus following the placement of an Access Point in a realistic deploy- ment, while the other stations ... See full document

... the optimal configuration of the DOS ...on control theory, that drives the system to the optimal point of operation ...our approach adapts to the actual network load instead of ... See full document

... enhanced distributed channel access parameter set to achieve a predetermined utilization ratio between uplink and downlink flows in ...802.11e WLANs. The authors of [13] proposed an approach that ... See full document

... 802.11 distributed coordination function, and an algorithm using a binary cubic equation for obtaining a much closer approximation of the optimal solution than previous ...proposed approach ... See full document

... MIM may not be very useful in a single collision domain because the carrier sense function prevents the frame trans- mission during busy periods. However, in multiple collision domains, MIM enables successful deliveries ... See full document

... EDCA configuration and the other approaches in terms of perceptual quality of the reconstructed video, by evaluating the Mean Opinion Score (MOS) for different number of ...recommended configuration as well ... See full document

... to control the aggressiveness of stations when trying to access the ...a control theoretic approach to adapt the CW to the conditions of the WLAN, based on an analytical model of its ... See full document

... classical distributed setting, the notion of se- cure multi-party computation (MPC) is one of the main themes in the Cryptographic commu- ...classical distributed models in which only messages of bounded ... See full document

... TCP unfairness problem in access networks using the 802.11 has been studied by many researchers. Their solutions required that the existing MAC protocol be modified. However, since they did not consider the case when ... See full document

... HIV/AIDS epidemic is a serious, growing public health problem worldwide. The cause is known and the principal routes of transmission understood, but resources for treating HIV infected patients and for combating the ... See full document

... In this paper, the following points are considered for providing service differentiation in the basic IEEE 802.11 DCF scheme: 1 MAC protocol parameters such as DIFS is dynamically adjust[r] ... See full document

... pollution control. Moreover, the difference between the Nash equilibria and the cooperative ones could be used as the basis for evaluating each country's gain (or loss) from the coalition. Ιn this case the ... See full document

... There are several schemes proposed in the literature to decrease WLAN handoff latency. Fitzmaurice [9] and Mishra et al. [10] have shown that over 90% of the time in the handoff process is spent in the scanning stage. ... See full document

... In the DCF (Distributed Coordination Function) version of the CSMA / CA protocol gives good performance in terms of packet delivery ratio, RTS/ Frame, Mean No. of Retry for various load conditions in a wireless ... See full document

... The advancements in VLSI technology has led to the miniaturization of electronic devices and this coupled with wireless communication has proliferated the boom of tiny, low power, low cost sensor nodes. Energy ... See full document