Development of adaptive peak power reduction techniques for wideband multi-carrier wireless communication systems

• Project/Area Number: 19760258
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Communication/Network engineering
• Research Institution: Kyushu University
• Principal Investigator: OSAMU Muta Kyushu University, 大学院・システム情報科学研究院, 助教 (80336065)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,230,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
• Keywords: マルチキャリア変調 / OFDM / ピーク対平均電力比 / ピーク電力抑圧 / 非線形歪み補償 / MC-CDM / ピーク電力低減 / ターボ符号 / 位相重み係数推定 / LDPC 符号 / 非線形歪補償 / 重み係数制御

Research Abstract

OFDM伝送に代表されるマルチキャリア伝送では、送信電力のピーク対平均電力比(PAPR)が高くなることが問題となる。本研究課題では、電力増幅器における電力効率を改善するために、マルチキャリア信号のPAPRを低減する技術を開発することを目的とする。ターボ符号およびLDPC符号の性質を利用したサブキャリア位相制御型のPAPR抑圧技術を開発した。複数のアンテナ素子を用いるMIMO通信システムにおいて、通信品質を考慮しながらアンテナ素子当たりのピーク送信電力を抑圧する技術を開発した。さらに、電力増幅器の非線形歪みを補償する実用的な技術を開発し、PAPR抑圧技術と併用した場合の有効性を示した。

Research Products

• [Journal Article] Weighting Factor Estimation Method for Peak Power Reduction Based on Adaptive Flipping of Parity Bits in Turbo-Coded OFDM Systems (2008)
  • Author(s): O. Muta and Y. Akaiwa
  • Journal Title: IEEE Transactions on Vehicular Technology vol.57, no.6 Pages: 3551-3562
  • Peer Reviewed
• [Journal Article] アンテナ素子当たりの最大送信電力が制限されたSDMAシステムにおける最適重み係数の決定法とその特性評価 (2008)
  • Author(s): 藤井大樹,牟田修,赤岩芳彦
  • Journal Title: 電子情報通信学会論文誌B J91-B, no.9 Pages: 972-979
  • Peer Reviewed
• [Journal Article] A Peak Power Reduction Method with Adaptive Inversion of Clustered Parity- Carriers in BCH-Coded OFDM Systems (2008)
  • Author(s): O. Muta and Y. Akaiwa
  • Journal Title: IEICE Transactions on Communications E91-B, no.5 Pages: 2331-2337
  • NAID: 10026829189
  • Peer Reviewed
• [Journal Article] A Peak Power Reduction Method with Adaptive Inversion of Clustered Parity-Carriers in BCH-Coded OFDM Systems (2008)
  • Author(s): O. Muta, et.al.
  • Journal Title: IEICE Transactions on Communications E91-B, no.5 Pages: 2331-2337
  • NAID: 10026829189
  • Peer Reviewed
• [Journal Article] Convergence Speed Improvement of an Adaptive Predistortion Based on Orthogonal Polynomial Expansion (2008)
  • Author(s): Xu Guangsheng, et.al.
  • Journal Title: Proceedings of the IEEE VTS Asia Pasific Wireless Communications Symposium 2008 2008-8(CDROM)
  • Peer Reviewed
• [Journal Article] Iterative Weighting Factor Estimation Method for Peak Power Reduction with Adaptive Subcarrier-Phase Control in Turbo-Coded Multi-Carrier CDM Systems (2008)
  • Author(s): O. Muta, et.al.
  • Journal Title: Proceedings of the IEEE Vehicular Technology Conference Fall-2008 2008-9(CDROM)
  • Peer Reviewed
• [Journal Article] アンテナ素子当たりの最大送信電力が制限されたSDMAシステムにおける最適重み係数の決定法とその特性評価 (2008)
  • Author(s): 藤井大樹, et.al.
  • Journal Title: 電子情報通信学会論文誌B J91-B, no.9 Pages: 972-979
  • Peer Reviewed
• [Journal Article] Weighting Factor Estimation Method for Peak Power Reduction Based on Adaptive Fhpping of Parity Bits in Turbo-Coded OFDM Systems (2008)
  • Author(s): O. Muta, et.al.
  • Journal Title: IEEE Transactions on Vbhicular Technology vol.57, no.6 Pages: 3551-3562
  • Peer Reviewed
• [Journal Article] A Subcarrier-Phase Control Based Peak Power Reduction Method for Coded Space Division Multiplexed OFDM Systems (2008)
  • Author(s): O. Muta
  • Journal Title: Proceedings of the IEEE Intelnational Confbrence on Communicatioll Systems 2008 2008-11(CDROM)
  • Peer Reviewed
• [Journal Article] Peak Power Reduction Method Based on Construction of Parity-check Matrix for LDPC coded OFDM transmission (2007)
  • Author(s): O., Muta, et. al.
  • Journal Title: Proceedings of the IEEE Vehicular Technology Conference 2007 Spring 2007-4
  • Peer Reviewed
• [Journal Article] A Weight Optimization Method under Constraint of the Maximum Power for an Antenna Element in SDM Systems (2007)
  • Author(s): D., Fujii, et. al.
  • Journal Title: Proceedings of the IEEE VIS Asia Pacific Wireless Communications Symposium 2007 2007-8
  • Peer Reviewed
• [Journal Article] An Adaptive Predistortion Method Based on Orthogonal Polynomial Expansion for Nonlinesr Distortion Compensation (2007)
  • Author(s): S., Ohmori, et. al.
  • Journal Title: Proceedings of the IEEE InternationalSymposium on Personal, Indoor and Mobile Radio Communications2007 2007-9
  • Peer Reviewed
• [Presentation] 2.4GHz 帯屋外実伝搬環境下におけるマルチキャリア無線中継の伝送特性評価 (2009)
  • Author(s): 佐々木元晴et al
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 横須賀リサーチパーク
  • Year and Date: 2009-03-06
• [Presentation] 2.4GHz帯屋外実伝搬環境下におけるマルチキャリア無線中継の伝送特性評価 (2009)
  • Author(s): 佐々木元晴, et.al.
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 横須賀リサーチパーク
  • Year and Date: 2009-03-06
• [Presentation] 直交多項式に基づく適応プレディストータにおけるマルチキャリア信号に対する歪み補償パラメータの最適化速度の改善 (2009)
  • Author(s): 金子勇et al
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 横須賀リサーチパーク
  • Year and Date: 2009-03-04
• [Presentation] A Subcarrier-Phase Control Based Peak Power Reduction Method for Coded Space Division Multiplexed OFDM Systems (2008)
  • Author(s): O. Muta
  • Organizer: Proceedings of the IEEE International Conference on Communication Systems 2008
  • Place of Presentation: Guangzhou, China
  • Year and Date: 2008-11-20
• [Presentation] Iterative Weighting Factor Estimation Method for Peak Power Reduction with Adaptive Subcarrier-Phase Control in Turbo-Coded Multi-Carrier CDM Systems (2008)
  • Author(s): O. Muta et al
  • Organizer: Proceedings of the IEEE Vehicular Technology Conference Fall-2008
  • Place of Presentation: Calgary, Canada
  • Year and Date: 2008-09-23
• [Presentation] Convergence Speed Improvement of an Adaptive Predistortion Based on Orthogonal Polynomial Expansion (2008)
  • Author(s): O. Muta et al
  • Organizer: Proceedings of the IEEE VTS Asia Pasific Wireless Communications Symposium 2008
  • Place of Presentation: 東北大学
  • Year and Date: 2008-08-22
• [Presentation] アンテナ素子当たりの最大電力が制限されたSDMAシステムにおける最適重み係数の決定法とその特性評価 (2008)
  • Author(s): 藤井大樹et al
  • Organizer: 電子情報通信学会総合大会
  • Place of Presentation: 北九州学術研究都市
  • Year and Date: 2008-03-19
• [Presentation] 直交多項式展開に基づく適応プレディストータ型非線形歪み補償方式 (2) (2008)
  • Author(s): 徐広勝et al
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 横須賀リサーチパーク
  • Year and Date: 2008-03-06
• [Presentation] 直交多項式展開に基づく適応プレディストータ型非線形歪み補償方式(2) (2008)
  • Author(s): 徐 広勝, et. al.
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 横須賀リサーチパーク
  • Year and Date: 2008-03-06
• [Presentation] MIMO 無線通信システムにおけるターボ符号化マルチキャリア信号の適応サブブロック位相制御によるPAPR 抑圧の効果 (2008)
  • Author(s): 牟田修et al
  • Organizer: 電子情報通信学会通信方式研究会
  • Place of Presentation: 奄美文化センター.
  • Year and Date: 2008-01-28
• [Presentation] MIMO無線通信システムにおけるターボ符号化マルチキャリア信号の適応サブブロック位相制御によるPAPR抑圧の効果 (2008)
  • Author(s): 牟田 修, et. al.
  • Organizer: 電子情報通信学会通信方式研究会
  • Place of Presentation: 奄美文化センター
  • Year and Date: 2008-01-28
• [Presentation] An Adaptive Predistortion Method Based on Orthogonal Polynomial Expansion for Nonlinear Distortion Compensation (2007)
  • Author(s): G. Xu et al.
  • Organizer: Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications2007
  • Place of Presentation: Athens, Greece
  • Year and Date: 2007-09-05
• [Presentation] A Weight Optimization Method under Constraint of the Maximum Power for an Antenna Element in SDM Systems (2007)
  • Author(s): D. Fujii et al
  • Organizer: Proceedings of the IEEE VTS Asia Pacific Wireless Communications Symposium 2007
  • Place of Presentation: Hsinchu, Taiwan
  • Year and Date: 2007-08-20
• [Presentation] 空間分割多重方式におけるアンテナ素子当りの最大送信電力制限下での最適重み決定法 (2007)
  • Author(s): 藤井大樹et al
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 北見工業大学
  • Year and Date: 2007-07-19
• [Presentation] An Adaptive Predistortion Method Based on Orthogonal Polynomial Expansion for Nonlinear Distortion Compensation (2007)
  • Author(s): S. Ohmori et al
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 北見工業大学
  • Year and Date: 2007-07-19
• [Presentation] An Adaptive Predistortion Method B ased on Orthogonal Polynomial Exnansion for Nonlinear Distortion Comnensation (2007)
  • Author(s): 徐 広勝, et. al.
  • Organizer: 電子情報通信学会無線通信システム研究会
  • Place of Presentation: 北見工業大学
  • Year and Date: 2007-07-19
• [Presentation] Peak Power Reduction Method Based on Construction of Parity-check Matrix for LDPC coded OFDM transmission (2007)
  • Author(s): O. Muta et al
  • Organizer: Proceedings of the IEEE Vehicular Technology Conference Spring 2007
  • Place of Presentation: Dublin, Ireland.
  • Year and Date: 2007-04-23