An SINR-based routing and MAC design for QoS in wireless ad hoc networks

Yuan Chun Tsai, Szu-Lin Su

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this paper, we propose a cross routing and MAC QoS protocol design, named Signal-to-Interference-plus-Noise-Ratio and Quality-of-Service (SINR-QoS), for wireless ad hoc networks. SINR-QoS is spatial-reuse time division multiple access (STDMA)-based. Unlike most of the conventional approaches, SINR-QoS manages the spatial reuse based on SINR. When a data flow with end-to-end throughput requirement arrives, the routing part of SINR-QoS, called SINR-QoS-routing (SQ-routing), determines a route, and assigns STDMA slots, transmission rate, and transmission power for each link on the route. The assignment is SINR-based, and thus requires some SINR-related information to coordinate the co-channel interference. Hence, the MAC part of SINR-QoS, called SINR-QoS-MAC (SQ-MAC), is proposed for nodes to acquire and update the SINR-related information. With the specific design of SQ-MAC, SINR-QoS can precisely manage the spatial reuse without explicit channel-gain exchange between interfering neighbors. Simulation results show SINR-QoS outperforms the existing QoS approaches in both total end-to-end throughput and reliability.

Original languageEnglish
Pages (from-to)1141-1154
Number of pages14
JournalWireless Networks
Volume21
Issue number4
DOIs
Publication statusPublished - 2015 May 1

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Wireless ad hoc networks
Quality of service
Time division multiple access
Throughput
Power transmission

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, we propose a cross routing and MAC QoS protocol design, named Signal-to-Interference-plus-Noise-Ratio and Quality-of-Service (SINR-QoS), for wireless ad hoc networks. SINR-QoS is spatial-reuse time division multiple access (STDMA)-based. Unlike most of the conventional approaches, SINR-QoS manages the spatial reuse based on SINR. When a data flow with end-to-end throughput requirement arrives, the routing part of SINR-QoS, called SINR-QoS-routing (SQ-routing), determines a route, and assigns STDMA slots, transmission rate, and transmission power for each link on the route. The assignment is SINR-based, and thus requires some SINR-related information to coordinate the co-channel interference. Hence, the MAC part of SINR-QoS, called SINR-QoS-MAC (SQ-MAC), is proposed for nodes to acquire and update the SINR-related information. With the specific design of SQ-MAC, SINR-QoS can precisely manage the spatial reuse without explicit channel-gain exchange between interfering neighbors. Simulation results show SINR-QoS outperforms the existing QoS approaches in both total end-to-end throughput and reliability.",
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An SINR-based routing and MAC design for QoS in wireless ad hoc networks. / Tsai, Yuan Chun; Su, Szu-Lin.

In: Wireless Networks, Vol. 21, No. 4, 01.05.2015, p. 1141-1154.

Research output: Contribution to journalArticle

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