Interference forwarding by a relay enhances the interference level and enables the cancellation of the interference. If the interfering source to relay link is not strong, then the relay can decode a part of the interference and forward it to the destination, and the destination can cancel only that part of the interference. It is known as partial decode-and-forward (PDF) and partial interference cancellation, respectively. In this work, even if the relay is clustered with the source, i.e., even if the interfering source to relay link is good, then the PDF protocol is shown to perform better than the complete decode-and-forward (CDF) protocol. To this end, closed-form expressions for the achievable diversity-multiplexing trade-off (DMT) with clustered full-duplex PDF relay and partial interference cancellation is derived. The benefits of the proposed protocol are demonstrated through numerical analysis. The impact of the multiplexing gain and interference level of the interfering signal on the DMT at the interference-limited receiver is also illustrated.


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    Title :

    On Partial Interference Cancellation with Partial Interference Forwarding


    Contributors:


    Publication date :

    2017-06-01


    Size :

    179587 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English