In downlink non-orthogonal multiple access (NOMA), beamforming can be employed to effectively mitigate the multiple access interference (MAI) with beamforming gain. It is well-known that user clustering can play a crucial role in simplifying beamforming in NOMA. In this paper, we find the solution to a minimum transmit power beamforming problem for given pair of users in a cluster and propose a simple, but effective user clustering approach in conjunction with the minimum transmit power beamforming.


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    Title :

    A Suboptimal Approach for Minimum Transmit Power NOMA Beamforming


    Contributors:
    Choi, Jinho (author)


    Publication date :

    2017-09-01


    Size :

    171835 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English