Both advanced schemes significantly outperform the plain Aloha upper bound for the nominal received spectral efficiency nnon.The efficiency of advanced Aloha is not significantly lower than the efficiency of the coordinated approach (Cell-Based SOTDMA). Advanced Aloha needs no common time reference (transmissions are uncoordinated), has no coordination overhead, and needs no guard times.Therefore, Advanced Aloha is probably the better choice for safety-critical aeronautical applications like surveillance beaconing.


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    Title :

    Coordinated and uncoordinated PHY/MAC schemes for beaconing


    Contributors:
    Franzen, N. (author)


    Publication date :

    2012-10-01


    Size :

    11793570 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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