Joint design of physical and MAC layer by applying the constellation rearrangement technique in cooperative multi-hop networks.

Saved in:

Bibliographic Details
Title:	Joint design of physical and MAC layer by applying the constellation rearrangement technique in cooperative multi-hop networks.
Authors:	Bahadori-Jahromi, Farhad¹ bahadori.fr@gmail.com
Source:	Wireless Networks (10220038). Nov2017, Vol. 23 Issue 8, p2361-2378. 18p.
Subjects:	Wireless sensor network access control, Wireless cooperative communication, Antennas (Electronics), Computer simulation, Cross layer optimization
Abstract:	Cooperative diversity schemes can be seen as an extension of spatial diversity systems, where distributed antennas are placed in relay nodes distributed in space as compared to a single multi-antenna source or receiver in conventional spatial diversity systems. Such cooperative communication systems improve the diversity gain significantly. In this paper a cross layer optimization scheme, based on cooperative diversity along with constellation rearrangement, is proposed for minimizing energy toll and enhancing the network longevity. By utilizing a cross-layer cooperative strategy, distributive algorithms are proposed for the dependability restriction multi-hop networks. We demonstrate through simulations that the proposed cross-layer cooperative strategies along with constellation rearrangement achieve considerable energy savings and extend the network longevity significantly. Finally the proposed scheme is evaluated through NS2 simulations in terms of throughput and delay. [ABSTRACT FROM AUTHOR]
	Copyright of Wireless Networks (10220038) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database:	Engineering Source

Description
Abstract:	Cooperative diversity schemes can be seen as an extension of spatial diversity systems, where distributed antennas are placed in relay nodes distributed in space as compared to a single multi-antenna source or receiver in conventional spatial diversity systems. Such cooperative communication systems improve the diversity gain significantly. In this paper a cross layer optimization scheme, based on cooperative diversity along with constellation rearrangement, is proposed for minimizing energy toll and enhancing the network longevity. By utilizing a cross-layer cooperative strategy, distributive algorithms are proposed for the dependability restriction multi-hop networks. We demonstrate through simulations that the proposed cross-layer cooperative strategies along with constellation rearrangement achieve considerable energy savings and extend the network longevity significantly. Finally the proposed scheme is evaluated through NS2 simulations in terms of throughput and delay. [ABSTRACT FROM AUTHOR]
ISSN:	10220038
DOI:	10.1007/s11276-016-1292-1