Hybrid polling and contention access scheduling in IEEE 802.11e WLANs

Fallah, Yaser P.; Alnuweiri, Hussein

doi:10.1016/j.jpdc.2006.07.003

Cited by 28 publications

(30 citation statements)

References 11 publications

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“…In [25], the authors present an architecture for a medical information system which integrates WLAN and WSNs. In [26,27], several QoSenabling mechanisms present in the IEEE 802.11e provide us some ideas to design the frame work of the integration system. A two-tiered WSN and WLAN scheme with QoS guarantees is provided in [28], but the authors do not address IP-based interoperability.…”

Section: Interoperability Of Zigbee and Wi-fimentioning

confidence: 99%

Building Automation Networks for Smart Grids

Iwayemi

Zhou

2011

International Journal of Digital Multimedia Broadcasting

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Smart grid, as an intelligent power generation, distribution, and control system, needs various communication systems to meet its requirements. The ability to communicate seamlessly across multiple networks and domains is an open issue which is yet to be adequately addressed in smart grid architectures. In this paper, we present a framework for end-to-end interoperability in home and building area networks within smart grids. 6LoWPAN and the compact application protocol are utilized to facilitate the use of IPv6 and Zigbee application profiles such as Zigbee smart energy for network and application layer interoperability, respectively. A differential service medium access control scheme enables end-to-end connectivity between 802.15.4 and IP networks while providing quality of service guarantees for Zigbee traffic over Wi-Fi. We also address several issues including interference mitigation, load scheduling, and security and propose solutions to them.

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Section: Interoperability Of Zigbee and Wi-fimentioning

confidence: 99%

Building Automation Networks for Smart Grids

Iwayemi

Zhou

2011

International Journal of Digital Multimedia Broadcasting

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“…As a result, a station may have to try several times before it succeeds and hence, significant time is wasted due to resetting CW to CW min and consequently, the channel becomes underused. Āe HCCA of the 802.11e standard does not specify the scheduling discipline that determines when the controlled access phase are generated and leaves it to system developers to devise such a scheme [9]. In addition, the HCCA allocates transmission opportunities (TXOPs) to itself and to other QoS stations using the reported mean transmission rates.…”

Section: Current Challenges and Enhancementsmentioning

confidence: 99%

“…Several techniques have been proposed to enhance the performance of IEEE 802.11e by adapting CW to the network state [7,[9][10][11][12]. In Ref.…”

Section: Current Challenges and Enhancementsmentioning

confidence: 99%

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Quality of Service in Wireless Local and Metropolitan Area Networks

Watfa

Safa

2008

Wireless Networks and Mobile Communications

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“…A few of the solutions suggested a combination of fair scheduled algorithms [3]- [5], while others proposed proprietary-based Time Division Multiple Access (TDMA) algorithms. The TDMA-based protocol is focused towards scaling capabilities as well as stability and low jitter, which is needed for real-time applications; however, it has drawbacks in traffic flow management.…”

Section: Introductionmentioning

confidence: 99%

TCP Performance in Multi-Polling Game Theory-Based IEEE 802.11 Networks

Cuzanauskas

Anskaitis

2016

Electrical, Control and Communication Engineering

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-Easy usage and integration with various applications made IEEE 802.11 one of the most used technologies these days, both at home and business premises. Over the years, there have been many additional improvements to the 802.11 standards. Nevertheless, the algorithms and Media Access Control (MAC) layer methods are almost the same as in previous Wi-Fi versions. In this paper, a set of methods to improve the total system capacity is proposed -such as efficient transmit power management based on Game Theory with a custom wireless medium protocol. The transmit power management and wireless medium protocol is verified by both simulation and real application scenarios. The results conclude that the capacity of theproposed wireless medium protocol is overall 20 percent higher than the standard 802.11 wireless medium access protocols. Additional TCP Acknowledgment filtering, which was tested together with the proposed wireless medium access protocol, can provide up to 10-percent-higher TCP throughput in high-density scenarios, especially for asymmetrical traffic cases. The conducted research suggests that efficient power management could result in lighter transmit power allocation rules that are currently set by the local regulators for current Wi-Fi devices. Thus, better propagation characteristics and wireless medium management would lead to an overall higher wireless system capacity.

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Hybrid polling and contention access scheduling in IEEE 802.11e WLANs

Cited by 28 publications

References 11 publications

Building Automation Networks for Smart Grids

Building Automation Networks for Smart Grids

Quality of Service in Wireless Local and Metropolitan Area Networks

TCP Performance in Multi-Polling Game Theory-Based IEEE 802.11 Networks

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