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    Relay self interference minimisation using tapped filter

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    Type
    Conference Paper
    Authors
    Jazzar, Saleh
    Al-Naffouri, Tareq Y. cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2013-05
    Permanent link to this record
    http://hdl.handle.net/10754/564710
    
    Metadata
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    Abstract
    In this paper we introduce a self interference (SI) estimation and minimisation technique for amplify and forward relays. Relays are used to help forward signals between a transmitter and a receiver. This helps increase the signal coverage and reduce the required transmitted signal power. One problem that faces relays communications is the leaked signal from the relay's output to its input. This will cause an SI problem where the new received signal at the relay's input will be added with the unwanted leaked signal from the relay's output. A Solution is proposed in this paper to estimate and minimise this SI which is based upon using a tapped filter at the destination. To get the optimum weights for this tapped filter, some channel parameters must be estimated first. This is performed blindly at the destination without the need of any training. This channel parameter estimation method is named the blind-self-interference-channel-estimation (BSICE) method. The next step in the proposed solution is to estimate the tapped filter's weights. This is performed by minimising the mean squared error (MSE) at the destination. This proposed method is named the MSE-Optimum Weight (MSE-OW) method. Simulation results are provided in this paper to verify the performance of BSICE and MSE-OW methods. © 2013 IEEE.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2013 8th International Workshop on Systems, Signal Processing and their Applications (WoSSPA)
    Conference/Event name
    2013 8th International Workshop on Systems, Signal Processing and Their Applications, WoSSPA 2013
    ISBN
    9781467355407
    DOI
    10.1109/WoSSPA.2013.6602383
    ae974a485f413a2113503eed53cd6c53
    10.1109/WoSSPA.2013.6602383
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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