A cross-layer multi-hop cooperative network architecture for wireless ad hoc networks

M. Sarper Gokturk, Ozgur Gurbuz, Elza Erkip

Research output: Contribution to journalArticle

Abstract

In this paper, a novel decentralized cross-layer multi-hop cooperative network architecture is proposed and presented. This cross-layer architecture introduces a new cooperative flooding scheme and two decentralized opportunistic cooperative forwarding mechanisms based on randomized coding, and a Routing Enabled Cooperative Medium Access Control (RECOMAC) protocol that enables cooperative forwarding, while incorporating physical, medium access control (MAC) and routing layers. RECOMAC employs randomized coding to realize cooperative diversity, so that relay selection and actuation mechanisms are alleviated and the MAC costs are reduced. The coded packets are routed in the network via the proposed cooperative forwarding schemes, which opportunistically form cooperative sets within a region, not needing a prior route to be established. Essentially, in the RECOMAC architecture, the routing layer functionality is submerged into the MAC layer to provide seamless cooperative communication, while the messaging overhead to set up routes, select and actuate relays is reduced. We evaluate the performance of RECOMAC in terms of network throughput, delay and MAC and routing overhead, in comparison to the conventional architecture based on the well-known IEEE 802.11 MAC and Ad hoc On Demand Distance Vector (AODV) routing protocols. RECOMAC is shown to provide quite significant improvement by an order of magnitude difference in all investigated performance metrics, under a variety of scenarios, considering different network sizes, static and mobile scenarios and networks with multiple flows.

Original languageEnglish (US)
Pages (from-to)4010-4029
Number of pages20
JournalComputer Networks
Volume57
Issue number18
DOIs
StatePublished - Dec 24 2013

Fingerprint

Medium access control
Wireless ad hoc networks
Network architecture
Cooperative communication
Routing protocols
Throughput
Network protocols

Keywords

  • Cooperative communications
  • Cooperative routing
  • Wireless ad hoc networks

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

A cross-layer multi-hop cooperative network architecture for wireless ad hoc networks. / Gokturk, M. Sarper; Gurbuz, Ozgur; Erkip, Elza.

In: Computer Networks, Vol. 57, No. 18, 24.12.2013, p. 4010-4029.

Research output: Contribution to journalArticle

Gokturk, M. Sarper ; Gurbuz, Ozgur ; Erkip, Elza. / A cross-layer multi-hop cooperative network architecture for wireless ad hoc networks. In: Computer Networks. 2013 ; Vol. 57, No. 18. pp. 4010-4029.
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