New OFDM structure with parallel combinatory code
We have introduced a flexible OFDM structure based on a promising property of IFFT operation. 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...
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Published in | IEEE transactions on consumer electronics Vol. 55; no. 4; pp. 1854 - 1859 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.11.2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subjects | |
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Abstract | We have introduced a flexible OFDM structure based on a promising property of IFFT operation. 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. |
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AbstractList | 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. super(1) We have introduced a flexible OFDM structure based on a promising property of IFFT operation. 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. 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 |
Author | Yafei Hou Hase, T. |
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Cites_doi | 10.1109/APCC.2009.5375665 10.1109/GLOCOM.2005.1578049 10.1093/ietcom/e89-b.2.509 10.1109/ICC.2008.712 10.1109/35.1000232 10.1093/ietfec/e90-a.11.2556 10.1109/4234.922754 10.1109/TCE.2009.4814434 10.1109/MWC.2005.1421929 10.1109/26.764929 |
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Snippet | We have introduced a flexible OFDM structure based on a promising property of IFFT operation. This structure can support uplink applications which include many... We have introduced a flexible OFDM structure based on a promising property of IFFT operation [7]. This structure can support uplink applications which include... |
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SubjectTerms | Bit error rate Compatibility Computer networks Consumer electronics Design engineering Digital video broadcasting Educational institutions Electronics FFT Operation Internet OFDM modulation OFDM Structure Orthogonal Frequency Division Multiplexing PAPR Reduction Parallel Combinatory (PC) code Peak to average power ratio Polycarbonates Receivers Subcarriers Supports Transmitters Wireless sensor networks |
Title | New OFDM structure with parallel combinatory code |
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