The transmission performance deteriorates if the combining weights for interference suppression are fixed within a packet during signal separation in linear MIMO reception, since the propagation path changes with time in mobile communications. To solve this problem, we apply the null-space expansion technique, which improves transmission performance by forming additional nulls to suppress inter-stream interference using antenna degrees of freedom. In this study, we consider acquiring the past channel information for the null-space expansion technique from multiple positions in a packet. Error rate performance is evaluated using computer simulations when combining weights generated by this technique are applied to the entire packet.


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    Title :

    Performance of Linear MIMO Receiver Using Null-Space Expansion Technique over Time-Variant Channels


    Contributors:


    Publication date :

    2024-10-07


    Size :

    831091 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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