Power-fixed and power-aware MAC protocols for multihop wireless networks with a large interference area

Supeng Leng, Yan Zhang, Hsiao-Hwa Chen, Jie Xiang, Mohsen Guizani

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The IEEE 802.11 medium-access control (MAC) protocol is usually considered to be a default standard in multihop wireless networks. However, in a multihop network with a large interference range, the request-to-send/clear-to-send (RTS/CTS) handshake and virtual carrier sensing mechanism may not be able to eliminate interference or solve hidden- and exposed-terminal problems. This paper proposes two new MAC protocols, i.e., the power-fixed dual (PFD) and power-aware dual (PAD) busy-tone schemes, both of which are able to effectively prevent collision of data/acknowledgment (ACK) packets and are applicable in various open-space environments with different path-loss characteristics. Analytical models are developed to evaluate their performance in terms of the blocking area, saturation throughput, and capability of mitigating aggregate interference of simultaneous transmissions. Numerical examples are presented to show the effectiveness of the proposed MAC protocols and the interaction between performance metrics and key parameters. Analysis and simulation results indicate that both PFD and PAD schemes can achieve a much higher throughput and a lower packet-collision ratio than IEEE 802.11 distributed coordination function (DCF), conservative CTS reply (CCR), and dual busy-tone multiple-access (DBTMA) schemes.

Original languageEnglish
Pages (from-to)2966-2976
Number of pages11
JournalIEEE Transactions on Vehicular Technology
Volume58
Issue number6
DOIs
Publication statusPublished - 2009 Jun 25

Fingerprint

Multi-hop Wireless Networks
Medium Access Control
Medium access control
Wireless networks
Interference
Network protocols
Throughput
IEEE 802.11
Collision
Analytical models
Path Loss
Multiple Access
Multi-hop
Performance Metrics
Analytical Model
High Throughput
Saturation
Sensing
Eliminate
Numerical Examples

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Aerospace Engineering
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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abstract = "The IEEE 802.11 medium-access control (MAC) protocol is usually considered to be a default standard in multihop wireless networks. However, in a multihop network with a large interference range, the request-to-send/clear-to-send (RTS/CTS) handshake and virtual carrier sensing mechanism may not be able to eliminate interference or solve hidden- and exposed-terminal problems. This paper proposes two new MAC protocols, i.e., the power-fixed dual (PFD) and power-aware dual (PAD) busy-tone schemes, both of which are able to effectively prevent collision of data/acknowledgment (ACK) packets and are applicable in various open-space environments with different path-loss characteristics. Analytical models are developed to evaluate their performance in terms of the blocking area, saturation throughput, and capability of mitigating aggregate interference of simultaneous transmissions. Numerical examples are presented to show the effectiveness of the proposed MAC protocols and the interaction between performance metrics and key parameters. Analysis and simulation results indicate that both PFD and PAD schemes can achieve a much higher throughput and a lower packet-collision ratio than IEEE 802.11 distributed coordination function (DCF), conservative CTS reply (CCR), and dual busy-tone multiple-access (DBTMA) schemes.",
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Power-fixed and power-aware MAC protocols for multihop wireless networks with a large interference area. / Leng, Supeng; Zhang, Yan; Chen, Hsiao-Hwa; Xiang, Jie; Guizani, Mohsen.

In: IEEE Transactions on Vehicular Technology, Vol. 58, No. 6, 25.06.2009, p. 2966-2976.

Research output: Contribution to journalArticle

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