Puncturing and interleaving analysis of a physical layer link based on IEEE 802.11a

Ji Hua Lu; Bo Yang; Kui Xi Chen

Puncturing and interleaving analysis of a physical layer link based on IEEE 802.11a

Ji Hua Lu^*, Bo Yang, Kui Xi Chen

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

A simulink PHY layer platform of OFDM-based IEEE 802.11a was built. The modified puncturing method and a new construction of the matrix interleaving method were proposed to improve the function of the codec module. The former is based on the principle of Viterbi decoding and the latter is based on improving the convolution coder with relevant theories. Simulations were done under different E _b/N ₀ by controlling the parameters of the IEEE 802.11a PHY layer platform. Conclusion reveals that, compared with the BER performance using given puncturing method in IEEE 802.11a, the BER performance of the OFDM system could increase about 3dB by using proposed puncturing method. Also, the new matrix interleaving construction could provide the increase of BER performance about 1 to 2dB when the E _b/N ₀ is greater than 5dB.

Original language	English
Pages (from-to)	611-616
Number of pages	6
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	32
Issue number	6
Publication status	Published - Jun 2012

Keywords

Convolutional codec
IEEE 802.11a standard
Interleaving
Orthogonal frequency division multiplexing(OFDM)
Puncturing

Cite this

Lu, J. H., Yang, B., & Chen, K. X. (2012). Puncturing and interleaving analysis of a physical layer link based on IEEE 802.11a. Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology, 32(6), 611-616.

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abstract = "A simulink PHY layer platform of OFDM-based IEEE 802.11a was built. The modified puncturing method and a new construction of the matrix interleaving method were proposed to improve the function of the codec module. The former is based on the principle of Viterbi decoding and the latter is based on improving the convolution coder with relevant theories. Simulations were done under different E b/N 0 by controlling the parameters of the IEEE 802.11a PHY layer platform. Conclusion reveals that, compared with the BER performance using given puncturing method in IEEE 802.11a, the BER performance of the OFDM system could increase about 3dB by using proposed puncturing method. Also, the new matrix interleaving construction could provide the increase of BER performance about 1 to 2dB when the E b/N 0 is greater than 5dB.",

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AB - A simulink PHY layer platform of OFDM-based IEEE 802.11a was built. The modified puncturing method and a new construction of the matrix interleaving method were proposed to improve the function of the codec module. The former is based on the principle of Viterbi decoding and the latter is based on improving the convolution coder with relevant theories. Simulations were done under different E b/N 0 by controlling the parameters of the IEEE 802.11a PHY layer platform. Conclusion reveals that, compared with the BER performance using given puncturing method in IEEE 802.11a, the BER performance of the OFDM system could increase about 3dB by using proposed puncturing method. Also, the new matrix interleaving construction could provide the increase of BER performance about 1 to 2dB when the E b/N 0 is greater than 5dB.

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Puncturing and interleaving analysis of a physical layer link based on IEEE 802.11a

Abstract

Keywords

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