This paper investigates the wideband self-interference (SI) channel characteristics for a 2x2 MIMO full-duplex (FD) transceiver with dual-polarized antennas. The measurements, carried out at 2.45GHz with 500MHz span in various environments: anechoic chamber, laboratory- room, and corridor, show that the SI-channel can be represented by a multipath model consisting of two segments: a quasistatic internal SI-sub-channel due to the specific Tx/Rx antenna structure and a time-varying or dynamic external SI-sub-channel due to possible reflections from the surrounding environment. The quasi-static internal SI-sub-channel parameters can be derived from the Tx/Rx antenna structure specifications. The dynamic external SI-channel exhibits cluster reflection arrival features and can be modeled by a modified Saleh-Valenzuela (S-V) model, and the cluster power decays exponentially with cluster arrival delay. However, the path power-versus-arrival delay decay is exponential in a laboratory-room environment while it follows the power law in a corridor environment.


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    Title :

    Self-Interference Channel Characteristics of a 2x2 MIMO Full-Duplex Transceiver


    Contributors:
    Chen, Fei (author) / Morawski, Robert (author) / Le-Ngoc, Tho (author)


    Publication date :

    2017-09-01


    Size :

    901006 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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