Multi-stage multi-user detection assisted fast-FH/MFSK

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Multi-stage multi-user detection assisted fast-FH/MFSK

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© IEE
Published

A multi-stage multi-user detection (MUD) scheme designed for a fast-FH/MFSK system is proposed, in which the received signal level is attenuated by a constant scaling factor when the signal is deemed to be overwhelmed by multi-user interference. In the investigated scenario a substantially reduced bit error rate is achieved.

Inspec keywords: error statistics; multiuser detection; interference suppression; frequency shift keying; frequency hop communication

Other keywords: fast frequency-hopping/multilevel frequency shift keying system; multi-stage multi-user detection scheme; received signal level attenuation; multi-user interference; reduced bit error rate; fast-FH/MFSK system; constant scaling factor; interference matrix

Subjects: Modulation and coding methods; Signal detection; Multiple access communication

References

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      • U. Fiebig . Iterative interference cancellation for FFH/MFSK MA systems. IEE Proc., Commun. , 6 , 380 - 388
    2. 2)
      • O. Yue . Maximum likelihood combining for noncoherent and differentially coherent frequency-hopping multiple-access systems. IEEE Trans. Inf. Theory , 4 , 631 - 639
    3. 3)
      • U. Timor . Improved decoding scheme for frequency-hopped multilevel FSK system. Bell Syst. Tech. J. , 10 , 1839 - 1855
    4. 4)
      • G. Einarsson . Address assignment for a time-frequency-coded, spread-spectrum system. Bell Syst. Tech. J. , 7 , 1241 - 1255
    5. 5)
      • K.W. Halford , M. Brandt-Pearce . Multi-stage multiuser detection for FHMA. IEEE Trans. Commun. , 9 , 1550 - 1562
http://iet.metastore.ingenta.com/content/journals/10.1049/el_20030212
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