Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems

Markus Muck; Stéphanie Rouquette-Léveil; Marc De Courville

doi:10.1109/SPAWC.2006.346466

Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems

Markus Muck^*, Stéphanie Rouquette-Léveil, Marc De Courville

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

1 Citation (Scopus)

Abstract

This contribution derives an algorithm for optimizing the mapping of irregular and systematic Low Density Parity Check (LDPC) code word bits onto Orthogonal Frequency Division Multiplexing (OFDM) carriers in the context of a frequency selective fading channel in both, a Single-Transmit Single-Receive (SISO channel) and Multiple-Transmit Multiple-Receive (MIMO channel) antennas scenario. The absolute values of the frequency domain channel coefficients are assumed to be known and the LDPC code to be given (contrary to existing proposals where the LDPC code is optimized with respect to a given propagation channel). The proposed solution can alternatively be interpreted as an adaptive interleaver (which is inherently available in software defined radio type of system implementations) optimized for a given channel impulse response. In a typical WLAN (IEEE802.11n) scenario, the proposed mapping technique improves the system performance by up to approx. 0.7dB compared to a linear (direct) mapping.

Original language	English
Title of host publication	2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC
Place of Publication	Piscataway
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1-5
Number of pages	5
ISBN (Print)	078039710X, 9780780397101
DOIs	https://doi.org/10.1109/SPAWC.2006.346466
Publication status	Published - 2006
Externally published	Yes
Event	2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC - Cannes, France Duration: 2 Jul 2006 → 5 Jul 2006

Other

Other	2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC
Country/Territory	France
City	Cannes
Period	2/07/06 → 5/07/06

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10.1109/SPAWC.2006.346466

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Muck, M., Rouquette-Léveil, S., & De Courville, M. (2006). Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems. In 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC (pp. 1-5). Article 4153940 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/SPAWC.2006.346466

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title = "Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems",

abstract = "This contribution derives an algorithm for optimizing the mapping of irregular and systematic Low Density Parity Check (LDPC) code word bits onto Orthogonal Frequency Division Multiplexing (OFDM) carriers in the context of a frequency selective fading channel in both, a Single-Transmit Single-Receive (SISO channel) and Multiple-Transmit Multiple-Receive (MIMO channel) antennas scenario. The absolute values of the frequency domain channel coefficients are assumed to be known and the LDPC code to be given (contrary to existing proposals where the LDPC code is optimized with respect to a given propagation channel). The proposed solution can alternatively be interpreted as an adaptive interleaver (which is inherently available in software defined radio type of system implementations) optimized for a given channel impulse response. In a typical WLAN (IEEE802.11n) scenario, the proposed mapping technique improves the system performance by up to approx. 0.7dB compared to a linear (direct) mapping.",

author = "Markus Muck and St{\'e}phanie Rouquette-L{\'e}veil and {De Courville}, Marc",

year = "2006",

doi = "10.1109/SPAWC.2006.346466",

language = "English",

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booktitle = "2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC",

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note = "2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC ; Conference date: 02-07-2006 Through 05-07-2006",

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Muck, M, Rouquette-Léveil, S & De Courville, M 2006, Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems. in 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC., 4153940, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, pp. 1-5, 2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC, Cannes, France, 2/07/06. https://doi.org/10.1109/SPAWC.2006.346466

Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems. / Muck, Markus; Rouquette-Léveil, Stéphanie; De Courville, Marc.
2006 IEEE 7th Workshop on Signal Processing Advances in Wireless Communications, SPAWC. Piscataway: Institute of Electrical and Electronics Engineers (IEEE), 2006. p. 1-5 4153940.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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N2 - This contribution derives an algorithm for optimizing the mapping of irregular and systematic Low Density Parity Check (LDPC) code word bits onto Orthogonal Frequency Division Multiplexing (OFDM) carriers in the context of a frequency selective fading channel in both, a Single-Transmit Single-Receive (SISO channel) and Multiple-Transmit Multiple-Receive (MIMO channel) antennas scenario. The absolute values of the frequency domain channel coefficients are assumed to be known and the LDPC code to be given (contrary to existing proposals where the LDPC code is optimized with respect to a given propagation channel). The proposed solution can alternatively be interpreted as an adaptive interleaver (which is inherently available in software defined radio type of system implementations) optimized for a given channel impulse response. In a typical WLAN (IEEE802.11n) scenario, the proposed mapping technique improves the system performance by up to approx. 0.7dB compared to a linear (direct) mapping.

AB - This contribution derives an algorithm for optimizing the mapping of irregular and systematic Low Density Parity Check (LDPC) code word bits onto Orthogonal Frequency Division Multiplexing (OFDM) carriers in the context of a frequency selective fading channel in both, a Single-Transmit Single-Receive (SISO channel) and Multiple-Transmit Multiple-Receive (MIMO channel) antennas scenario. The absolute values of the frequency domain channel coefficients are assumed to be known and the LDPC code to be given (contrary to existing proposals where the LDPC code is optimized with respect to a given propagation channel). The proposed solution can alternatively be interpreted as an adaptive interleaver (which is inherently available in software defined radio type of system implementations) optimized for a given channel impulse response. In a typical WLAN (IEEE802.11n) scenario, the proposed mapping technique improves the system performance by up to approx. 0.7dB compared to a linear (direct) mapping.

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Reconfigurable low density parity check (LDPC) code interleaving for SIO and MIMO OFDM systems

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