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Near-capacity turbo trellis coded modulation design based on EXIT charts and union bounds

Near-capacity turbo trellis coded modulation design based on EXIT charts and union bounds
Near-capacity turbo trellis coded modulation design based on EXIT charts and union bounds
Bandwidth efficient parallel-concatenated Turbo Trellis Coded Modulation (TTCM) schemes were designed for communicating over uncorrelated Rayleigh fading channels. A symbol-based union bound was derived for analysing the error floor of the proposed TTCM schemes. A pair of In-phase (I) and Quadrature-phase (Q) interleavers were employed for interleaving the I and Q components of the TTCM coded symbols, in order to attain an increased diversity gain. The decoding convergence of the IQ-TTCM schemes was analysed using symbol-based EXtrinsic Information Transfer (EXIT) charts. The best TTCM component codes were selected with the aid of both the symbol-based union bound and non-binary EXIT charts, for designing capacity-approaching IQ-TTCM schemes in the context of 8PSK, 16QAM, 32QAM and 64QAM modulation schemes.
Decoding convergence, distance spectrum, code design, EXIT charts, Turbo Trellis Coded Modulation, union bound.
2030 -2039
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Alamri, Osamah
292e7399-6cdb-4eb6-b0f4-51f738ea04c1
Li, Yonghui
3065a1c4-56db-4883-89c2-37b72b48f678
Kliewer, Jorg
485a5422-6ba4-40c2-b2b4-32da27801ddc
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Alamri, Osamah
292e7399-6cdb-4eb6-b0f4-51f738ea04c1
Li, Yonghui
3065a1c4-56db-4883-89c2-37b72b48f678
Kliewer, Jorg
485a5422-6ba4-40c2-b2b4-32da27801ddc
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Ng, Soon Xin, Alamri, Osamah, Li, Yonghui, Kliewer, Jorg and Hanzo, Lajos (2008) Near-capacity turbo trellis coded modulation design based on EXIT charts and union bounds. IEEE Transactions on Communications, 56 (12), 2030 -2039. (doi:10.1109/TCOMM.2008.06039522).

Record type: Article

Abstract

Bandwidth efficient parallel-concatenated Turbo Trellis Coded Modulation (TTCM) schemes were designed for communicating over uncorrelated Rayleigh fading channels. A symbol-based union bound was derived for analysing the error floor of the proposed TTCM schemes. A pair of In-phase (I) and Quadrature-phase (Q) interleavers were employed for interleaving the I and Q components of the TTCM coded symbols, in order to attain an increased diversity gain. The decoding convergence of the IQ-TTCM schemes was analysed using symbol-based EXtrinsic Information Transfer (EXIT) charts. The best TTCM component codes were selected with the aid of both the symbol-based union bound and non-binary EXIT charts, for designing capacity-approaching IQ-TTCM schemes in the context of 8PSK, 16QAM, 32QAM and 64QAM modulation schemes.

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More information

Published date: December 2008
Keywords: Decoding convergence, distance spectrum, code design, EXIT charts, Turbo Trellis Coded Modulation, union bound.
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 267115
URI: http://eprints.soton.ac.uk/id/eprint/267115
PURE UUID: 4965d00a-2175-4607-b256-e25dfba85fbb
ORCID for Soon Xin Ng: ORCID iD orcid.org/0000-0002-0930-7194
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 16 Feb 2009 13:46
Last modified: 26 Nov 2019 02:06

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