Pragmatic Performance of TC8PSK in Rician Fading Channels

Tomohiro DOHI; Tsutomu SAKAI; Masahiro MORIKURA; Shuzo KATO

Pragmatic Performance of TC8PSK in Rician Fading Channels

Tomohiro DOHI, Tsutomu SAKAI, Masahiro MORIKURA, Shuzo KATO

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This paper analyzes performances of trellis coded(TC) 8PSK modulation in Rician fading channels to optimize parameters of Viterbi decoders. The computer simulation clarifies that when carrier power to multipath power ratio (C/M) equals 10dB, P_e performance with reasonable length interleaving depends on free Euclidean distance (d_free) but not on effective code length(ECL) in a practical range of bit error probability (P_e= 10^-3-10^-4). In the case of C/M=5dB, the effect of ECL appears in the range of bit energy to noise power density ratio (E_b/N_o)C/M (=5dB). Therefore, for domestic mobile satellite communication systems for non-high latitude countries, only d_free must be considered for TC8PSK Viterbi decoder design. Moreover, to improve P_e performance in slow fading environment, pre-Viterbi-decoding maximal ratio combining is proposed. The proposed diversity scheme improves required E_b/N_o to achieve P_e=10^-4 by more than 6dB compared with no interleaving and more than 2.5 dB compared with interleaving.

Publication: IEICE TRANSACTIONS on Communications Vol.E74-B No.8 pp.2230-2236

Publication Date: 1991/08/25

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Type of Manuscript: Special Section PAPER (Special Issue on Modulation and Coding for Mobile Satellite Communication System)

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Tomohiro DOHI
Tsutomu SAKAI
Masahiro MORIKURA
Shuzo KATO

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Tomohiro DOHI, Tsutomu SAKAI, Masahiro MORIKURA, Shuzo KATO, "Pragmatic Performance of TC8PSK in Rician Fading Channels" in IEICE TRANSACTIONS on Communications, vol. E74-B, no. 8, pp. 2230-2236, August 1991, doi: .
Abstract: This paper analyzes performances of trellis coded(TC) 8PSK modulation in Rician fading channels to optimize parameters of Viterbi decoders. The computer simulation clarifies that when carrier power to multipath power ratio (C/M) equals 10dB, P_e performance with reasonable length interleaving depends on free Euclidean distance (d_free) but not on effective code length(ECL) in a practical range of bit error probability (P_e= 10^-3-10^-4). In the case of C/M=5dB, the effect of ECL appears in the range of bit energy to noise power density ratio (E_b/N_o)C/M (=5dB). Therefore, for domestic mobile satellite communication systems for non-high latitude countries, only d_free must be considered for TC8PSK Viterbi decoder design. Moreover, to improve P_e performance in slow fading environment, pre-Viterbi-decoding maximal ratio combining is proposed. The proposed diversity scheme improves required E_b/N_o to achieve P_e=10^-4 by more than 6dB compared with no interleaving and more than 2.5 dB compared with interleaving.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/e74-b_8_2230/_p

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@ARTICLE{e74-b_8_2230,
author={Tomohiro DOHI, Tsutomu SAKAI, Masahiro MORIKURA, Shuzo KATO, },
journal={IEICE TRANSACTIONS on Communications},
title={Pragmatic Performance of TC8PSK in Rician Fading Channels},
year={1991},
volume={E74-B},
number={8},
pages={2230-2236},
abstract={This paper analyzes performances of trellis coded(TC) 8PSK modulation in Rician fading channels to optimize parameters of Viterbi decoders. The computer simulation clarifies that when carrier power to multipath power ratio (C/M) equals 10dB, P_e performance with reasonable length interleaving depends on free Euclidean distance (d_free) but not on effective code length(ECL) in a practical range of bit error probability (P_e= 10^-3-10^-4). In the case of C/M=5dB, the effect of ECL appears in the range of bit energy to noise power density ratio (E_b/N_o)C/M (=5dB). Therefore, for domestic mobile satellite communication systems for non-high latitude countries, only d_free must be considered for TC8PSK Viterbi decoder design. Moreover, to improve P_e performance in slow fading environment, pre-Viterbi-decoding maximal ratio combining is proposed. The proposed diversity scheme improves required E_b/N_o to achieve P_e=10^-4 by more than 6dB compared with no interleaving and more than 2.5 dB compared with interleaving.},
keywords={},
doi={},
ISSN={},
month={August},}

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TY - JOUR
TI - Pragmatic Performance of TC8PSK in Rician Fading Channels
T2 - IEICE TRANSACTIONS on Communications
SP - 2230
EP - 2236
AU - Tomohiro DOHI
AU - Tsutomu SAKAI
AU - Masahiro MORIKURA
AU - Shuzo KATO
PY - 1991
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E74-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 1991
AB - This paper analyzes performances of trellis coded(TC) 8PSK modulation in Rician fading channels to optimize parameters of Viterbi decoders. The computer simulation clarifies that when carrier power to multipath power ratio (C/M) equals 10dB, P_e performance with reasonable length interleaving depends on free Euclidean distance (d_free) but not on effective code length(ECL) in a practical range of bit error probability (P_e= 10^-3-10^-4). In the case of C/M=5dB, the effect of ECL appears in the range of bit energy to noise power density ratio (E_b/N_o)C/M (=5dB). Therefore, for domestic mobile satellite communication systems for non-high latitude countries, only d_free must be considered for TC8PSK Viterbi decoder design. Moreover, to improve P_e performance in slow fading environment, pre-Viterbi-decoding maximal ratio combining is proposed. The proposed diversity scheme improves required E_b/N_o to achieve P_e=10^-4 by more than 6dB compared with no interleaving and more than 2.5 dB compared with interleaving.
ER -