In this paper we present fully decentralized methods for calculating an approximate zero- forzing (ZF) equalizer in a large intelligent surface (LIS). A LIS is intended for wireless communication and facilitates unprecedented MU- MIMO performance, far superior to that of Massive MIMO. Antenna modules in the grid connect to their neighbors to exchange messages of information needed for interference cancellation in a fully- decentralized fashion, making the system scalable. By a careful design of how the messages are routed, we show that the proposed method is able to cancel inter-user interference sufficiently well without any centralized coordination, opening the door for the realization of this type of structures.


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    Title :

    Decentralized Equalizer Construction for Large Intelligent Surfaces


    Contributors:


    Publication date :

    2019-09-01


    Size :

    820919 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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