New OFDM structure with parallel combinatory code

Yafei Hou; Tomohiro Hase

doi:10.1109/TCE.2009.5373742

New OFDM structure with parallel combinatory code

Yafei Hou, Tomohiro Hase

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

6 Citations (Scopus)

Abstract

We have introduced a flexible OFDM structure based on a promising property of IFFT operation [7]. This structure can support uplink applications which include many transmitters using different numbers of subcarriers and one receiver with just one IFFT/FFT module with the subcarriers of the least common multiple (LCM) for the number of subcarriers of all the transmitters. In this paper, combining the parallel combinatory (PC) code and the proposed flexible OFDM structure, we report the design of a new OFDM system with PC code for various applications with a moderate transmission rate. The system can select appropriate phase sets for all modulated subcarriers for each PC code for different design requirements such as peak-to-average power ratio (PAPR) reduction or BER performance improvement. The proposed system will achieve better PAPR characteristics and promising BER performance. In addition, due to the flexible OFDM structure, the proposed PC-OFDM system will also have properties of high adaptability and compatibility.¹

Original language	English
Article number	5373742
Pages (from-to)	1854-1859
Number of pages	6
Journal	IEEE Transactions on Consumer Electronics
Volume	55
Issue number	4
DOIs	https://doi.org/10.1109/TCE.2009.5373742
Publication status	Published - Nov 2009
Externally published	Yes

Keywords

FFT Operation
OFDM Structure
PAPR Reduction
Parallel Combinatory (PC) code.

ASJC Scopus subject areas

Media Technology
Electrical and Electronic Engineering

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10.1109/TCE.2009.5373742

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title = "New OFDM structure with parallel combinatory code",

abstract = "We have introduced a flexible OFDM structure based on a promising property of IFFT operation [7]. This structure can support uplink applications which include many transmitters using different numbers of subcarriers and one receiver with just one IFFT/FFT module with the subcarriers of the least common multiple (LCM) for the number of subcarriers of all the transmitters. In this paper, combining the parallel combinatory (PC) code and the proposed flexible OFDM structure, we report the design of a new OFDM system with PC code for various applications with a moderate transmission rate. The system can select appropriate phase sets for all modulated subcarriers for each PC code for different design requirements such as peak-to-average power ratio (PAPR) reduction or BER performance improvement. The proposed system will achieve better PAPR characteristics and promising BER performance. In addition, due to the flexible OFDM structure, the proposed PC-OFDM system will also have properties of high adaptability and compatibility.1",

keywords = "FFT Operation, OFDM Structure, PAPR Reduction, Parallel Combinatory (PC) code.",

author = "Yafei Hou and Tomohiro Hase",

note = "Funding Information: 1This work was supported in part by the High-Tech Research Center Project for Private Universities: matching fund subsidy from MEXT (FY2006-FY2010) and Ryukoku University, Japan. This paper was presented in part at 2009 IEEE International Symposium on Consumer Electronics (ISCE 2009) and 2009 Asia-Pacific Conference on Communications (APCC2009).",

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PY - 2009/11

Y1 - 2009/11

N2 - We have introduced a flexible OFDM structure based on a promising property of IFFT operation [7]. This structure can support uplink applications which include many transmitters using different numbers of subcarriers and one receiver with just one IFFT/FFT module with the subcarriers of the least common multiple (LCM) for the number of subcarriers of all the transmitters. In this paper, combining the parallel combinatory (PC) code and the proposed flexible OFDM structure, we report the design of a new OFDM system with PC code for various applications with a moderate transmission rate. The system can select appropriate phase sets for all modulated subcarriers for each PC code for different design requirements such as peak-to-average power ratio (PAPR) reduction or BER performance improvement. The proposed system will achieve better PAPR characteristics and promising BER performance. In addition, due to the flexible OFDM structure, the proposed PC-OFDM system will also have properties of high adaptability and compatibility.1

AB - We have introduced a flexible OFDM structure based on a promising property of IFFT operation [7]. This structure can support uplink applications which include many transmitters using different numbers of subcarriers and one receiver with just one IFFT/FFT module with the subcarriers of the least common multiple (LCM) for the number of subcarriers of all the transmitters. In this paper, combining the parallel combinatory (PC) code and the proposed flexible OFDM structure, we report the design of a new OFDM system with PC code for various applications with a moderate transmission rate. The system can select appropriate phase sets for all modulated subcarriers for each PC code for different design requirements such as peak-to-average power ratio (PAPR) reduction or BER performance improvement. The proposed system will achieve better PAPR characteristics and promising BER performance. In addition, due to the flexible OFDM structure, the proposed PC-OFDM system will also have properties of high adaptability and compatibility.1

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KW - OFDM Structure

KW - PAPR Reduction

KW - Parallel Combinatory (PC) code.

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New OFDM structure with parallel combinatory code

Abstract

Keywords

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