Energy-Efficient Protocol for Cooperative Networks

El‐Hawary, Mohamed E.; Haas, Zygmunt J.

doi:10.1109/tnet.2010.2089803

Cited by 73 publications

(45 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Elhawary and Haas in [33] proposed an energy-efficient routing protocol for cooperative networks by employing relay clusters along a non-cooperative path and revealed that the proposed cooperative transmission protocol can save up to 40% of energy compared with the disjoint-path and the one-path scheme using only direct transmission.…”

Section: Energy Efficiency Based Methodsmentioning

confidence: 99%

Survey on Relay Selection Techniques in Cognitive Networks

Bouallegue

Sethom

2016

IRA-JTE

View full text Add to dashboard Cite

Cognitive radio holds great promise as a research area nowadays. By increasing the spectral efficiency, it is applicable to various areas I. INTRODUCTIONSince the technology of wireless communication is quickly developing; heterogeneous wireless communication system must be adjusted in reduced frequency bandwidth. The efficiency of the conventional orthogonal spectral separation of heterogeneous system is not sufficient to sustain the unceasing growth of wireless device deploying exigency, making spectrum sharing amongst heterogeneous systems increasingly important. Two main challenges for the future of wireless systems are raised: the high data rate request of the growing number of users and the wireless spectrum availability. By reusing the underused licensed frequency bands, Cognitive Radio (CR) is presented as a new facet of telecommunication system to resolve the issue of spectrum availability. In such system, unlicensed wireless users (secondary users) are dynamically granted access to the licensed bands under the compulsion of tolerable interference to the Primary Users (PU). To facilitate the spectrum sharing among Secondary Users SUs and PUs, there are two existing techniques: The spectrum overlay and the spectrum underlay. In the first method, the SU shares some its power resources with the PU to give a relay-assisted transmission. Hence, the secondary network offsets the forced interference by the increase in the signal to interference plus noise ratio (SINR) of primary receivers. Thenceforth, the core idea of the overlay approach is to assign power and channel assets to the entire network, while using the requirements of PUs. To prevail over the spectral efficiency loss of one-way half duplex, [1] implements a two-way relaying.

show abstract

Section: Energy Efficiency Based Methodsmentioning

confidence: 99%

Survey on Relay Selection Techniques in Cognitive Networks

Bouallegue

Sethom

2016

IRA-JTE

View full text Add to dashboard Cite

show abstract

“…In this case, S and R 1 need to retransmit {s [3], s [5]} and {s [2], s [6]}, respectively. It is obvious that R 1 helps resend the packets (i.e.…”

Section: ) Example 1 -Two-relay Networkmentioning

confidence: 99%

“…It is obvious that R 1 helps resend the packets (i.e. {s [2], s [6]}) that D fails to decode while S resends the packets that are lost at both R 1 and D (i.e. {s [3], s [5]…”

Section: ) Example 1 -Two-relay Networkmentioning

confidence: 99%

“…and R 2 retransmit {s [5]}, {s [2], s [6]} and {s [3], s [6]}, respectively. It can be seen that S only retransmits one packet s [5] with the help of R 2 in the retransmission of s [3].…”

Section: })mentioning

confidence: 99%

“…Examples of relay-assisted communications exist in a variety of networks, e.g. cellular [4], ad hoc [5], sensor [6], ultrawideband body area [7] and storage [8] networks. In general, within relay networks, data transmission from a source node to a destination node is carried out with the aid of one or multiple relays.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Cooperative Retransmission for Wireless Regenerative Multirelay Networks

Vien

Stewart

Tianfield

et al. 2013

IEEE Trans. Veh. Technol.

View full text Add to dashboard Cite

Copyright and moral rights to this thesis/research project are retained by the author and/or other copyright owners. The work is supplied on the understanding that any use for commercial gain is strictly forbidden. A copy may be downloaded for personal, non-commercial, research or study without prior permission and without charge. Any use of the thesis/research project for private study or research must be properly acknowledged with reference to the work's full bibliographic details.This thesis/research project may not be reproduced in any format or medium, or extensive quotations taken from it, or its content changed in any way, without first obtaining permission in writing from the copyright holder(s).If you believe that any material held in the repository infringes copyright law, please contact the Repository Team at Middlesex University via the following email address:The item will be removed from the repository while any claim is being investigated. Middlesex University Research Repository:an Copyright:Middlesex University Research Repository makes the University's research available electronically.Copyright and moral rights to this work are retained by the author and/or other copyright owners. No part of the work may be sold or exploited commercially in any format or medium without the prior written permission of the copyright holder(s). A copy may be downloaded for personal, noncommercial, research or study without prior permission and without charge. Any use of the work for private study or research must be properly acknowledged with reference to the work's full bibliographic details.This work may not be reproduced in any format or medium, or extensive quotations taken from it, or its content changed in any way, without first obtaining permission in writing from the copyright holder(s).If you believe that any material held in the repository infringes copyright law, please contact the Repository Team at Middlesex University via the following email address: eprints@mdx.ac.ukThe item will be removed from the repository while any claim is being investigated. Conventionally, the retransmission can be realised in a cooperative manner with the assistance of all available relays. However, this may result in a high overall power consumption due to the retransmission of the same packets across the nodes, especially when the number of relays is large. We propose a cooperative retransmission (CR) scheme based on relay cooperation and binary XOR operations to significantly reduce the number of packets retransmitted to produce a more power efficient system with non-overlapped retransmissions. Significantly, we also derive the error probability of retransmission decisions at the source and relays and show that the proposed CR scheme improves the reliability of the retransmissions. Furthermore, by deriving the average number of packets to be retransmitted at the source and relays, we not only show that the proposed CR scheme reduces the number of retransmissions and removes overlapped retransmitted packets, but also de...

show abstract

A fault-tolerant energy-efficient clustering protocol of a wireless sensor network

Karim

Nasser

Sheltami

2012

Wirel. Commun. Mob. Comput.

View full text Add to dashboard Cite

Energy efficiency in specific clustering protocols is highly desired in wireless sensor networks. Most existing clustering protocols periodically form clusters and statically assign cluster heads (CHs) and thus are not energy efficient. Every non‐CH node of these protocols sends data to the CH in every time slot of a frame allocated to them using the time division multiple access scheme, which is an energy‐consuming process. Moreover, these protocols do not provide any fault tolerance mechanism. Considering these limitations, we have proposed an efficient fault‐tolerant and energy‐efficient clustering protocol for a wireless sensor network. The performance of the proposed protocol was tested by means of a simulation and compared against the low energy adaptive clustering hierarchy and dynamic static clustering protocols. Simulation results showed that the fault‐tolerant and energy‐efficient clustering protocol has better performance than both the low energy adaptive clustering hierarchy and dynamic static clustering protocols in terms of energy efficiency and reliability. Copyright © 2012 John Wiley & Sons, Ltd.

show abstract

Energy-Efficient Protocol for Cooperative Networks

Cited by 73 publications

References 23 publications

Survey on Relay Selection Techniques in Cognitive Networks

Survey on Relay Selection Techniques in Cognitive Networks

Cooperative Retransmission for Wireless Regenerative Multirelay Networks

A fault-tolerant energy-efficient clustering protocol of a wireless sensor network

Contact Info

Product

Resources

About