HDR satellite codec with concatenated multilevel codes

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HDR satellite codec with concatenated multilevel codes

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Published

The performance of a high data rate (HDR) codec based on a multidimensional modulation code derived from multilevel codes is evaluated for a satellite channel. The codec reliably supports HDR transmission for broadband ISDN over a 72 MHz satellite transponder and is designed to be used with an 8PSK modem. Results show that significant coding gain with higher spectral efficiency can be achieved compared to uncoded QPSK.

Inspec keywords: satellite communication; error statistics; codecs; decoding; data communication; concatenated codes; modulation coding; B-ISDN

Other keywords: 8 PSK modem; HDR satellite codec; coding gain; concatenated multilevel codes; high data rate codec; 72 MHz; satellite channel; BER; multidimensional modulation code; satellite transponder; high speed decoding algorithm; spectral efficiency; broadband ISDN; bit error rate

Subjects: Codes; ISDN and multimedia terminal equipment; Satellite communication systems

References

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      • H. Imai , S. Hirakawa . A new multilevel coding method using error-correcting codes. IEEE Trans. , 3 , 371 - 377
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      • A. Saifuddin . Decoding of multilevel block modulation codes. IEE Proc. Commun. , 6 , 341 - 344
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      • A.A.M. Saleh . Frequency-independent and frequency-dependent nonlinear models of TWTamplifiers. IEEE Trans. , 11 , 1715 - 1720
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      • S.S. Pietrobon , R.H. Deng , A. Lafanechere , G. Ungerboeck , D.J.JR. Costello . Trellis-coded multidimensional phase modulation. IEEE Trans. IT. , 1 , 63 - 89
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