MIMO enhanced slotted cooperation in urban vehicular networks

Perera, Prasad & Jayalath, Dhammika (2014) MIMO enhanced slotted cooperation in urban vehicular networks. In Wysocki, T. & Wysocki, B.J. (Eds.) Proceedings of the 8th International Conference on Signal Processing and Communication Systems (ICSPCS), IEEE, Gold Coast, QLD.

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The requirement of isolated relays is one of the prime obstacles in utilizing sequential slotted cooperative protocols for Vehicular Ad-hoc Networks (VANET). Significant research advancement has taken place to improve the diversity multiplexing trade-off (DMT) of cooperative protocols in conventional mobile networks without much attention on vehicular ad-hoc networks. We have extended the concept of sequential slotted amplify and forward (SAF) protocols in the context of urban vehicular ad-hoc networks. Multiple Input Multiple Output (MIMO) reception is used at relaying vehicular nodes to isolate the relays effectively. The proposed approach adds a pragmatic value to the sequential slotted cooperative protocols while achieving attractive performance gains in urban VANETs. We have analysed the DMT bounds and the outage probabilities of the proposed scheme. The results suggest that the proposed scheme can achieve an optimal DMT similar to the DMT upper bound of the sequential SAF. Furthermore, the outage performance of the proposed scheme outperforms the SAF protocol by 2.5 dB at a target outage probability of 10-4.

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ID Code: 82292
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: MIMO communication, Amplify and forward communication, Protocols, Relays, Vehicular ad hoc networks
DOI: 10.1109/ICSPCS.2014.7021115
ISBN: 9781479952557
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 by IEEE
Deposited On: 06 Mar 2015 00:39
Last Modified: 08 Mar 2015 22:57

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