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Network Coding and Duty Cycling in IEEE 802.11 Wireless Networks with Bidirectional Transmissions and Sleeping Periods

ترميز الشبكة وركوب الدراجات في الشبكات اللاسلكية IEEE 802.11 مع الإرسال ثنائي الاتجاه وفترات النوم
Authors: Raul Palacios-Trujillo; Jesús Alonso-Zárate; Fabrizio Granelli; Frank H. P. Fitzek; N Fonseca;

Network Coding and Duty Cycling in IEEE 802.11 Wireless Networks with Bidirectional Transmissions and Sleeping Periods

Abstract

En este documento, proponemos una solución de eficiencia energética para implementar la codificación de red (NC) en redes inalámbricas basada en el estándar IEEE 802.11. El mecanismo propuesto, llamado GreenCode, permite a los nodos realizar el ciclo de trabajo cambiando a un estado de baja potencia (suspensión) cuando escuchan transmisiones de paquetes codificados que no proporcionarán ninguna información nueva para ellos. Para facilitar la operación de suspensión, las transmisiones bidireccionales que involucran paquetes codificados y no codificados entre pares de nodos remitente-receptor se integran en la operación de GreenCode. Tanto los resultados analíticos como de simulación presentados en este documento muestran la alta eficiencia energética de GreenCode con ganancias de hasta el 360% en comparación con los mecanismos existentes basados en el Estándar IEEE 802.11.

Dans cet article, nous proposons une solution écoénergétique pour la mise en œuvre du codage de réseau (NC) dans les réseaux sans fil basée sur la norme IEEE 802.11. Le mécanisme proposé, appelé GreenCode, permet aux nœuds de fonctionner en passant à un état de faible puissance (veille) lorsqu'ils entendent des transmissions de paquets codés qui ne leur fourniront aucune nouvelle information. Pour faciliter le fonctionnement en veille, des transmissions bidirectionnelles impliquant à la fois des paquets codés et non codés entre des paires de nœuds expéditeurs-récepteurs sont intégrées dans le fonctionnement de GreenCode. Les résultats d'analyse et de simulation présentés dans cet article montrent l'efficacité énergétique élevée de GreenCode avec des gains allant jusqu'à 360% par rapport aux mécanismes existants basés sur la norme IEEE 802.11.

In this paper, we propose an energy-efficient solution for implementing Network Coding (NC) in wireless networks based on the IEEE 802.11 Standard. The proposed mechanism, called GreenCode, allows nodes to duty cycle by switching to a low-power (sleep) state when they overhear coded packet transmissions that will not provide any new information for them. To facilitate the sleep operation, bidirectional transmissions involving both coded and non-coded packets between pairs of sender-receiver nodes are integrated into the operation of GreenCode. Both analytical and simulation results presented in this paper show the high energy efficiency of GreenCode with gains of up to 360% when compared to the existing mechanisms based on the IEEE 802.11 Standard.

في هذه الورقة، نقترح حلاً موفرًا للطاقة لتنفيذ ترميز الشبكة (NC) في الشبكات اللاسلكية بناءً على معيار IEEE 802.11. تسمح الآلية المقترحة، المسماة GreenCode، للعقد بدورة العمل عن طريق التبديل إلى حالة منخفضة الطاقة (السكون) عندما تسمع عمليات إرسال الحزم المشفرة التي لن توفر أي معلومات جديدة لها. لتسهيل عملية السكون، يتم دمج عمليات الإرسال ثنائية الاتجاه التي تنطوي على كل من الحزم المشفرة وغير المشفرة بين أزواج من عقد المرسل والمستقبل في تشغيل GreenCode. تُظهر كل من النتائج التحليلية والمحاكاة المقدمة في هذه الورقة كفاءة الطاقة العالية للـ GreenCode مع مكاسب تصل إلى 360 ٪ بالمقارنة مع الآليات الحالية القائمة على معيار IEEE 802.11.

Country
Italy
Keywords

Computer Networks and Communications, Wireless Medium Access Control Protocols, Engineering, Cooperative Diversity in Wireless Networks, FOS: Electrical engineering, electronic engineering, information engineering, FOS: Mathematics, Efficient energy use, Electrical and Electronic Engineering, wireless LAN, Network Coding, Linear network coding, Computer Networks and Communications; Electrical and Electronic Engineering; Communication, Duty cycle, Coding (social sciences), IEEE 802.11, Computer network, Network packet, Statistics, Voltage, Challenges and Opportunities in Full-Duplex Wireless Communication, Computer science, Wireless Communications, Electrical engineering, Computer Science, Physical Sciences, Wireless, Telecommunications, Communication source, Wireless sensor network, Mathematics, Space-Time Coding

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