Show simple item record

dc.contributor.advisorAlouini, Mohamed-Slim
dc.contributor.authorAbuzaid, Abdulrahman I.
dc.date.accessioned2014-05-21T08:28:00Z
dc.date.available2015-05-31T00:00:00Z
dc.date.issued2014-05
dc.identifier.citationAbuzaid, A. I. (2014). Joint Preprocesser-Based Detectors for One-Way and Two-Way Cooperative Communication Networks. KAUST Research Repository. https://doi.org/10.25781/KAUST-7405N
dc.identifier.doi10.25781/KAUST-7405N
dc.identifier.urihttp://hdl.handle.net/10754/317256
dc.description.abstractEfficient receiver designs for cooperative communication networks are becoming increasingly important. In previous work, cooperative networks communicated with the use of L relays. As the receiver is constrained, channel shortening and reduced-rank techniques were employed to design the preprocessing matrix that reduces the length of the received vector from L to U. In the first part of the work, a receiver structure is proposed which combines our proposed threshold selection criteria with the joint iterative optimization (JIO) algorithm that is based on the mean square error (MSE). Our receiver assists in determining the optimal U. Furthermore, this receiver provides the freedom to choose U for each frame depending on the tolerable difference allowed for MSE. Our study and simulation results show that by choosing an appropriate threshold, it is possible to gain in terms of complexity savings while having no or minimal effect on the BER performance of the system. Furthermore, the effect of channel estimation on the performance of the cooperative system is investigated. In the second part of the work, a joint preprocessor-based detector for cooperative communication networks is proposed for one-way and two-way relaying. This joint preprocessor-based detector operates on the principles of minimizing the symbol error rate (SER) instead of minimizing MSE. For a realistic assessment, pilot symbols are used to estimate the channel. From our simulations, it can be observed that our proposed detector achieves the same SER performance as that of the maximum likelihood (ML) detector with all participating relays. Additionally, our detector outperforms selection combining (SC), channel shortening (CS) scheme and reduced-rank techniques when using the same U. Finally, our proposed scheme has the lowest computational complexity.
dc.language.isoen
dc.subjectCooperative communications
dc.subjectAdaptive Filtering
dc.subjectRank Reduction
dc.subjectMinimum Square Error
dc.subjectMinimum Symbol Error Rate
dc.titleJoint Preprocesser-Based Detectors for One-Way and Two-Way Cooperative Communication Networks
dc.typeThesis
dc.contributor.departmentComputer, Electrical and Mathematical Science and Engineering (CEMSE) Division
dc.rights.embargodate2015-05-31
thesis.degree.grantorKing Abdullah University of Science and Technology
dc.contributor.committeememberAl-Naffouri, Tareq Y.
dc.contributor.committeememberLaleg-Kirati, Taous-Meriem
thesis.degree.disciplineElectrical Engineering
thesis.degree.nameMaster of Science
dc.rights.accessrightsAt the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis became available to the public after the expiration of the embargo on 2015-05-31.
refterms.dateFOA2015-05-31T00:00:00Z


Files in this item

Thumbnail
Name:
AbdulrahmanAbuzaidThesis.pdf
Size:
476.8Kb
Format:
PDF
Description:
Abuzaid - final thesis

This item appears in the following Collection(s)

Show simple item record