Time-indexed media-based modulation (TI-MBM) is a block transmission scheme, where a block of 𝒩 time-slots forms a frame of which only $K$ time-slots are used for data transmission (active slots) and the remaining $N-K$ time-slots are left vacant (inactive slots). The choice of the active time-slots conveys additional information bits along with the bits conveyed by the MBM signals transmitted in the active time-slots. It has been shown that TI-MBM can achieve improved bit error performance compared to the conventional MBM scheme. However, a mathematical diversity analysis of TI-MBM has not been reported in the literature so far. In this paper, we view the time-slot indexing as coding across time (since the choice of active and inactive time-slots are dependent on each other) and carry out a mathematical analysis of the diversity performance of TI-MBM. Our analytical results show that, while conventional MBM can not extract the multipath diversity of the channel, TI-MBM can achieve higher diversity orders by extracting the channel multipath diversity for suitable choice of system parameters. We provide simulation results that support the analytically predicted diversity orders.


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    Title :

    Diversity Analysis of Time-Indexed Media-Based Modulation


    Contributors:


    Publication date :

    2019-09-01


    Size :

    449436 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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