Adaptive Priority Sliding Admission Control and Scheduling Scheme for DCF and EDCA WLANs

Pang, W. L.; Chieng, David; Ahmad, Nazihah

doi:10.1007/s11277-012-0695-2

Cited by 6 publications

(3 citation statements)

References 20 publications

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“…After the IEEE 802.11e amendment [24] established the foundations for traffic prioritization, many investigations focused on queuing management as a means to enhance QoS [38,53,43,10]. With the improvements in radio resource utilization provided by the IEEE 802.11n amendment [25], researchers focused on channel optimization and fairness (e.g., modifying or predicting the Aggregated MAC Service Data Unit (A-MSDU) behavior) [50,35,5,39,54].…”

Section: Sdn Management and Ieee 80211 Qos Deliverymentioning

confidence: 99%

SD-RAN Interactive Management Using In-band Network Telemetry in IEEE 802.11 Networks

et al. 2022

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Future digital factories are becoming more and more softwarized. This introduces flexibility, but the industry also demands robustness and Quality of Service (QoS) support. While 5G envisions to enable real-time applications with strict performance requirements, IEEE 802.11 networks continue to be a viable option for indoor scenarios. However, IEEE 802.11 networks currently cannot be programmed fine-grained enough to fully support and ensure QoS. Besides, due to the unknown or coarse-grained monitoring information over the wireless links, detecting performance degradation is still challenging. In this paper, we propose a Software-Defined Radio Access Network (SD-RAN) interactive management approach assisted by In-band Network Telemetry (INT) in IEEE 802.11 networks. We design a system-level architecture that includes the network administrator in the management loop through monitoring, visualization, and configuration activities. To demonstrate the feasibility of our approach, we developed a prototype and evaluated its flexibility in a real-world testbed. We argue that, with the fine-grained network information from INT and the benefits of the Software-Defined Networking (SDN) paradigm, an SDN-tailored system can assist in troubleshooting and assess enhanced QoS delivery.

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Section: Sdn Management and Ieee 80211 Qos Deliverymentioning

confidence: 99%

SD-RAN Interactive Management Using In-band Network Telemetry in IEEE 802.11 Networks

et al. 2022

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“…Table 1 presents an overview of the related work in IEEE 802.11 networks, summarizing how each approach targets network management, QoS support, the RA method, and the tools used for experimentation. After the IEEE 802.11e amendment [23] established the foundations for traffic prioritization, many investigations focused on queuing management as a means to enhance QoS [24][25][26][27]. Most work concentrated on scheduling schemes incorporating the length of the traffic queues, the time to serve a packet, or the time waiting on the scheduler.…”

Section: Resource Allocation and Qos Supportmentioning

confidence: 99%

Support for 5G Mission-Critical Applications in Software-Defined IEEE 802.11 Networks

Isolani

Kulenkamp

Márquez-Barja

et al. 2021

Sensors

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With the emergence of 5G networks and the stringent Quality of Service (QoS) requirements of Mission-Critical Applications (MCAs), co-existing networks are expected to deliver higher-speed connections, enhanced reliability, and lower latency. IEEE 802.11 networks, which co-exist with 5G, continue to be the access choice for indoor networks. However, traditional IEEE 802.11 networks lack sufficient reliability and they have non-deterministic latency. To dynamically control resources in IEEE 802.11 networks, in this paper we propose a delay-aware approach for Medium Access Control (MAC) management via airtime-based network slicing and traffic shaping, as well as user association while using Multi-Criteria Decision Analysis (MCDA). To fulfill the QoS requirements, we use Software-Defined Networking (SDN) for airtime-based network slicing and seamless handovers at the Software-Defined Radio Access Network (SD-RAN), while traffic shaping is done at the Stations (STAs). In addition to throughput, channel utilization, and signal strength, our approach monitors the queueing delay at the Access Points (APs) and uses it for centralized network management. We evaluate our approach in a testbed composed of APs controlled by SD-RAN and SDN controllers, with STAs under different workload combinations. Our results show that, in addition to load balancing flows across APs, our approach avoids the ping-pong effect while enhancing the QoS delivery at runtime. Under varying traffic demands, our approach maintains the queueing delay requirements of 5 ms for most of the experiment run, hence drawing closer to MCA requirements.

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“…However, EDCA mechanism is unsatisfactory for supporting real-time applications with rough QoS requirements, especially in heavily loaded networks, where collision possibility is high. Recently, a number of efforts have been presented to discuss the deficiency of supporting QoS in EDCA mode such as [7,8,9].…”

Section: Introductionmentioning

confidence: 99%

Feasible HCCA Polling Mechanism for Video Transmission in IEEE 802.11e WLANs

Al-Maqri

Othman

Ali

et al. 2015

Wireless Pers Commun

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IEEE 802.11e standard defines two Medium Access Control (MAC) functions to support Quality of Service (QoS) for wireless local area networks: Enhanced Distributed Channel Access (EDCA) and HCF Controlled Channel Access (HCCA). EDCA provides fair prioritized QoS support while HCCA guarantees parameterized QoS for the traffics with rigid QoS requirements. The latter shows higher QoS provisioning with Constant Bit Rate (CBR) traffics. However, it does not efficiently cope with the fluctuation of the Variable Bit Rate (VBR) video streams since its reference scheduler generates a schedule based on the mean characteristics of the traffic. Scheduling based on theses characteristics is not always accurate as these traffics show high irregularity over the time. In this paper, we propose an enhancement on the HCCA polling mechanism to address the problem of scheduling pre-recorded VBR video streams. Our approach enhances the polling mechanism by feed-backing the arrival time of the subsequent video frame of the uplink traffic obtained through cross-layering approach. Simulation experiments have been conducted on several publicly available video traces in order to show the efficiency of our mechanism. The simulation results reveal the efficiency of the proposed mechanism in providing less delay and high throughput with conserving medium channel through minimizing the number of Null-Frames caused by wasted polls.

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Adaptive Priority Sliding Admission Control and Scheduling Scheme for DCF and EDCA WLANs

Cited by 6 publications

References 20 publications

SD-RAN Interactive Management Using In-band Network Telemetry in IEEE 802.11 Networks

SD-RAN Interactive Management Using In-band Network Telemetry in IEEE 802.11 Networks

Support for 5G Mission-Critical Applications in Software-Defined IEEE 802.11 Networks

Feasible HCCA Polling Mechanism for Video Transmission in IEEE 802.11e WLANs

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