The effects of shadow‐fading on QoS‐aware routing and admission control protocols designed for multi‐hop MANETs

Hanzo, Lajos; Tafazolli, Rahim

doi:10.1002/wcm.912

Cited by 7 publications

(3 citation statements)

References 20 publications

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“…e most prominent ones include maintaining connection state, rapid allocation of resources, avoid scarcity of resources, and effectively manage dynamic topological changes caused due to mobility and appropriate resource reservation between the source and destination. ese challenges [7][8][9] has initiated the need to design and develop new QoS techniques [10][11][12][13] to support real-time data services in MANET. Furthermore, the new approach should be capable of differentiating various service requirements taking into consideration all other essential elements carefully with an ultimate goal to guarantee best end-to-end service delivery.…”

Section: Introductionmentioning

confidence: 99%

Software-Defined Multilayered Admission Control for Quality of Service Assurance in Mobile Ad-hoc Networks

Appandairaj¹,

Kathiravan²

2020

Wireless Communications and Mobile Computing

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Mobile Ad-hoc Network has emerged as a key technology for next-generation networks. Though its rapid growth inspires numerous applications, it is difficult to assure Quality of Service because of its immense scaling caused due to node’s mobility, fading radio signals, and unreliable nature of the wireless channel. To efficiently utilize network resources and accomplish guaranteed Quality of Service, a novel Software-Defined Multilayered Admission Control model that embeds an intelligent Neurofuzzy Inference-based Admission Control service engine is proposed in this paper. Each node makes use of the Neurofuzzy Inference-based Admission Control service to learn, manage, prioritize, and admit data traffic according to user requirement. The service engine exploits fuzzy inference-based admission control process to assess node’s current status using Quality of Service parameters, namely, bandwidth, queue load, and Received Signal Strength Indicator to evaluate the prediction index. The prediction index not only helps in determining the strongly connected neighbors during reliable path selection process but also solely decides whether the admission control session can be admitted or rejected. Moreover, the Neuro-Multilayered Learning process of the service engine helps to self-organize and make the complete network intelligent for instantaneous decision making. The proposed mechanism not only improves the session admission between nodes but also reduces the packet drops assuring successful session completion. Performance analysis using the simulation model proves that the proposed system shows promising gains with assured throughput and low end-to-end delay and has the potential to be applied in real-world scenarios.

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Section: Introductionmentioning

confidence: 99%

Software-Defined Multilayered Admission Control for Quality of Service Assurance in Mobile Ad-hoc Networks

Appandairaj¹,

Kathiravan²

2020

Wireless Communications and Mobile Computing

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“…More specifically, recent simulations [8], [9] and experimental [6] studies have clearly pointed out that shadow-fading is the crucial impairment to be considered for the analysis and design of protocols for cooperative wireless networks. In particular, in this context, including shadowing requires to carefully consider three fundamental issues:…”

Section: Introduction Automaticmentioning

confidence: 99%

On the Impact of Shadowing on the Performance of Cooperative Medium Access Control Protocols

Renzo

Alonso-Zárate

Alonso

et al. 2011

2011 IEEE Global Telecommunications Conference - GLOBECOM 2011

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Accurate representation of the physical layer is instrumental for a sound design and optimization of Medium Access Control (MAC) protocols for cooperative wireless networks. However, the vast majority of MAC protocols are designed and analyzed by considering simplified physical layer and channel models, which often lead to too optimistic performance predictions. In particular, even though many experimental activities have showcased the important role played by shadow-fading, most protocols are designed and evaluated by taking into account only the transmission distance (circular coverage model) or only the fast-fading. Motivated by the proved unsuitability of these models, the contribution of this paper is threefold: i) we provide important considerations on how to adequately include the effect of shadowing into the design of MAC protocols for cooperative networks; ii) we provide an analytical framework to determine the subset of active relays in order to meet a given Quality-of-Service (QoS) requirement; and iii) we study, through analysis and simulation, the performance of a promising MAC protocol for cooperative networks, which is called Persistent Relay Carrier Sensing Multiple Access (PRCSMA), by explicitly taking into account the effect of shadowing. Our study shows that shadowing can dramatically change system and protocol performance.

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“…In [6], authors Hanzo II and Tafazolli, proposes and evaluates new solutions for up the performance of QAR and AC protocols within the face of quality, shadowing, and ranging link SINR. it's found that proactively maintaining backup routes for active sessions, adapting transmission rates, and routing around quickly low-SINR links will perceptibly improve the dependability of assured turnout services.…”

Section: Literature Surveymentioning

confidence: 99%

QoS Aware Routing and Admission Control in Shadow-Fading

Dongre¹,

Patil²

2016

IJCA

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In Shadow-Fading model, it's difficult to get Quality of service (QoS) because of the massive scaling fading like node mobility, a scarcity of centralized co-ordination, fading radio signals, distributed channel access, and also the unreliable nature of the wireless channel. To achieve this objective a protocol QoS-aware routing (QAR) and an admission control (AC) has been projected that has QoS guarantees within the face of the higher than mentioned difficulties long-faced. Providing QoS in MANETs, overcoming these problems by victimization QoS aware routing and admission control mechanism that are needed to make sure high levels of QoS, rising bandwidth, throughput and minimizing packet loss rate and end to end de-lay QoS metrics. This paper presents, utilizing a practical shadow fading channel, of the performance of many progressive amalgamated QAR-AC protocols that are designed for providing throughput guarantees to applications. This protocol has been enforced with a mechanism of getting backup routes and re-routing once shadowing-induced link failures for active sessions. It's found that proposes optimizations supported interactions between routing, and admission control layers which provide important performance enhancements dependability of assured throughput services. KeywordsMobile ad hoc networks, Quality of Services aware routing, admission control, shadow fading, assured throughput, packet delay .

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The effects of shadow‐fading on QoS‐aware routing and admission control protocols designed for multi‐hop MANETs

Cited by 7 publications

References 20 publications

Software-Defined Multilayered Admission Control for Quality of Service Assurance in Mobile Ad-hoc Networks

Software-Defined Multilayered Admission Control for Quality of Service Assurance in Mobile Ad-hoc Networks

On the Impact of Shadowing on the Performance of Cooperative Medium Access Control Protocols

QoS Aware Routing and Admission Control in Shadow-Fading

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