Capacity of a synchronous BFSK frequency-hopped multiple access system with RTT erasure decision

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Capacity of a synchronous BFSK frequency-hopped multiple access system with RTT erasure decision

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The capacity of binary frequency shift keying (BFSK) frequency-hopped multiple access (FHMA) systems with side information is derived. The use of erasure decision with ratio-threshold test (RTT) for generating side information in fading and non-fading channels is investigated. The authors demonstrate the benefits of using erasure decision, achievable maximum capacity, optimum threshold setting and the optimal number of users in order to maximise the capacity.

Inspec keywords: multi-access systems; fading; channel capacity; frequency shift keying

Other keywords: fading and non-fading channels; frequency-hopped multiple access system; synchronous BFSK multiple access system; maximum capacity; nonfading channels; RTT erasure decision; optimum threshold setting; side information; ratio-threshold test

Subjects: Modulation and coding methods; Multiple access communication; Information theory

References

    1. 1)
      • M.B. Pursley . The derivation and use of side information in frequency-hop spreadspectrum communications. IEICE Trans. Commun. , 814 - 824
    2. 2)
      • K. Cheun , K. Choi . Performance of FHSS multiple-access networks usingMFSK modulation. IEEE Trans. , 1514 - 1526
    3. 3)
      • S.W. Kim , Y.H. Lee , S. Kim . Bandwidth tradeoffs among coding, processinggain and modulation in frequency-hopped multiple access communications. IEE Proc. Commun. , 63 - 69
    4. 4)
      • C.P. Hung , Y.T. Su . Diversity combining considerations for incoherent frequencyhopping multiple access systems. IEEE J. Sel. Areas Commun. , 333 - 344
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