Modeling and performance analysis of an alternative to IEEE 802.11e Hybrid Control Function

Abstract

This is a repository copy of Modeling and performance analysis of an alternative to IEEE 802.11e Hybrid Control Function.

Modelling and performance analysis of video and voice streams in the IEEE 802.11e-EDCA WLANs with TXOP bursting under fading channel

“…The performance analysis of IEEE 802.11e-EDCA network can be achieved by either simulation and experiment (see Al-Karaki and Chang, 2004;Hamidian and Korner, 2006;Fan, 2007;Gallardo et al, 2007;Lee et al, 2007b;Ge et al, 2007;Lin and Wu, 2007;Hamidian and Korner, 2008;Yu et al, 2009;Varposhti and Movahhedinia, 2009;Thangaraj et al, 2010;Cetinkaya, 2010;Lagkas et al, 2013;Korner et al, 2011;Camps-Mur et al, 2012) or by mathematical modelling (see Jeong et al, 2004;Kong et al, 2004;Vassis and Kormentzas, 2005;Xiao, 2005;Banchs and Vollero, 2006;Tao and Panwar, 2006;Banchs and Serrano, 2007;Serrano et al, 2007;Xiong and Mao, 2007;Patras et al, 2009;Pan and Wu, 2009;Hu et al, 2011;Kosek-Szott et al, 2011;Min et al, 2011;Liu and Saadawi, 2011;Hu et al, 2012;Yao et al, 2013;Yazid et al, 2015a). Mathematical modelling is an abstract representation of the system behaviour, frequently in steady state (Puigjaner, 2003).…”

Capacity enhancement for a rate-variance-envelop-based admission control in IEEE 802.11e HCCA WLANs

“…The performance of IEEE 802.11e HCCA has been addressed in [2,3], and a Markov decision process approach has been considered to improve the system throughput in [4]. Furthermore, several scheduling algorithms have recently been proposed for efficient delivery of variable bit rate (VBR) traffic over the IEEE 802.11e HCCA [5][6][7][8][9][10][11][12][13][14]. In [5], an alternative to IEEE 802.11e HCCA is modeled and analyzed.…”

“…Furthermore, several scheduling algorithms have recently been proposed for efficient delivery of variable bit rate (VBR) traffic over the IEEE 802.11e HCCA [5][6][7][8][9][10][11][12][13][14]. In [5], an alternative to IEEE 802.11e HCCA is modeled and analyzed. In [6], performance is compared between feedback-based scheduling schemes, e.g., [7], and earliest due-date scheduling schemes, e.g., [8].…”

“…In our work, traffic shaping is utilized to ensure that the output of the traffic shaper is upper bounded; in addition, after integrating perflow polling with a D/G/1 queue model, system capacity can be accurately evaluated and QoS can be assured. On the other hand, per-flow polling is performed in [5][6][7][8][9][10][11]15].…”

“…Since a feedback channel is used to notify the QoS scheduler of the backlog of an uplink flow in [5][6][7], bandwidth allocation to a flow can thus be accurate, resulting in no bandwidth waste. However, capacity has been determined only by simulations in [5,7], or by an admission control scheme of the reference scheduler in [6], which is suitable for constant bit rate (CBR) flows, not for VBR flows. In our proposed scheme, both the advantages of per-flow polling and statistical multiplexing gain can be achieved; furthermore, the system capacity with guaranteed QoS can be analytically evaluated.…”