• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

A Study on Spatial Wireless Channel Control Techniques in Broadband Ubiquitous Wireless Networks

Research Project

Project/Area Number 17360180
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Communication/Network engineering
Research InstitutionOsaka University

Principal Investigator

SAMPEI Seiichi  Osaka University, Graduate School of Engineering, Professor, 大学院工学研究科, 教授 (50252599)

Co-Investigator(Kenkyū-buntansha) MIYAMOTO Shinichi  Osaka University, Graduate School of Engineering, Associate Professor, 大学院工学研究科, 助教授 (50252614)
ARAKI Kiyomichi  Tokyo Institute of Technology, Graduate School of Science and Engineering, Professor, 大学院理工学研究科, 教授 (90016668)
SAKAGUCHI Kei  Tokyo Institute of Technology, Graduate School of Science and Engineering, Assistant Professor, 大学院理工学研究科, 助手 (80323799)
Project Period (FY) 2005 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥14,700,000 (Direct Cost: ¥14,700,000)
Fiscal Year 2006: ¥5,600,000 (Direct Cost: ¥5,600,000)
Fiscal Year 2005: ¥9,100,000 (Direct Cost: ¥9,100,000)
KeywordsInformation and Communications Technology / Interference suppression / Interference radiation suppression / adaptive spatial wireless channel control / 無線通信
Research Abstract

In this research, we have developed received interference suppression, radiated interference suppression and electromagnetic field distribution control techniques to autonomously organize broadband ubiquitous networks in which many wireless nodes are densely located in a limited space, and obtained the following results.
[Received interference suppression technique]
We have developed a soft canceller with minimum mean square error (SC/MMSE) based turbo equalizer for suppression of received interference. Moreover, we have developed a dynamic spectrum control technique in which transmitted spectrum is dynamically mapped onto spectrum with higher channel quality to escape from severe interference. These results confirm that the proposed technique is effective in enhancement of robustness to interference.
[Radiated interference suppression technique]
We have developed a flexible routing technique for wireless mesh networks that can keep field strength of the electromagnetic wave radiated to outside a smart space below an acceptable level, and confirmed that the technique is effective in flexible construction of electromagnetic field distribution in an area.
[Adaptive access control]
We have developed multiuser multi-input multi-output (MIMO) techniques to enhance efficiency of radio resource usage. In this research, we have developed a precoding technique in the transmitter node to spatially separate transmitted signals destined to different terminals and confirmed by computer simulation and experimental evaluations that the proposed technique is effective in enhancement of system throughput in multiuser environments. We have also developed a dynamic spectrum control combined with a MIMO technique to further enhance flexibility of radio resource management, and confirmed that the proposed scheme is effective in control of radio resource assignment more flexible than only the dynamic spectrum employed or only multiuser MIMO employed cases.

Report

(3 results)
  • 2006 Annual Research Report   Final Research Report Summary
  • 2005 Annual Research Report
  • Research Products

    (37 results)

All 2006 2005

All Journal Article (37 results)

  • [Journal Article] EXIT chart-aided adaptive coding for MMSE turbo equalization with multilevel BICM signaling2006

    • Author(s)
      S.Ibi, T.Matsumoto, S.Sampei, N.Morinaga
    • Journal Title

      IEEE Communications Letters 10・6

      Pages: 486-488

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Space-path division multiplexing technique for eigenmode transmission system2006

    • Author(s)
      S.Ibi, S.Sampei, N.Morinaga
    • Journal Title

      IEICE Transactions on Communications E89-B・6

      Pages: 1960-1963

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system with experimental validation2006

    • Author(s)
      S.H.Ting., K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Transactions on Wireless Communications 5・7

      Pages: 1775-1784

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A Markov-Kronecker model for analysis of closed-loop MIMO systems2006

    • Author(s)
      S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Communications Letters 10・8

      Pages: 617-619

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Microscopic spectrum control technique using carrier interferometry for one-cell reuse single carrier TDMA system2006

    • Author(s)
      K.Mashima, S.Sampei
    • Journal Title

      Electronics Letters 42・21

      Pages: 1238-1239

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements2006

    • Author(s)
      K.Mizutani, K.Sakaguchi, J.Takada, K.Araki
    • Journal Title

      IEICE Transactions on Communications E89-B・12

      Pages: 3197-3207

    • NAID

      110007538197

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] A. Carrier Interferometry based Channel Estimation Technique for Once-Cell Reuse MIMO-OFDM/TDMA Cellular Systems2006

    • Author(s)
      K.Yokomakura, S.Sampei, H.Harada, N.Morinaga
    • Journal Title

      IEEE VTC 2006-Spring 4

      Pages: 1733-1737

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission2006

    • Author(s)
      K.Mizutani, K.Sakaguchi, J.Takada, K.Araki
    • Journal Title

      IEEE VTC2006-Spring 6

      Pages: 2854-2858

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Proposal of Electromagnetic Environment-Aware Wireless Network Using Multi-hop Wireless Network System2006

    • Author(s)
      T.Tamura, S.Miyamoto, S.Sampei
    • Journal Title

      IEEE EMC 2006 1

      Pages: 53-57

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Interference Suppression using Nulling Filter and Turbo Equalizer for Carrier Interferometry based One-cell Reuse Single-carrier TDMA Systems2006

    • Author(s)
      C.Sritiapetch, S.Sampei
    • Journal Title

      IEEE VTS Asia Pacific Wireless Communications Symposium (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Experimental analysis of MIMO-OFDM eigenmode transmission with MMSE interference canceller2006

    • Author(s)
      Y.Kakishima, L.Haidoan, S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      PIMRC 2006 (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Microscopic Spectrum Control Technique using Carrier Interferometory for One-Cell Reuse Single Carrier TDMA Systems2006

    • Author(s)
      K.Mashima, S.Sampei
    • Journal Title

      PIMRC 2006 (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Proposal of Multi-hop Wireless LAN System for QoS Guaranteed Transmission2006

    • Author(s)
      P.K.Kieu, S.Miyamoto
    • Journal Title

      PIMRC 2006 (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Flexible Spectrum Control and Receiver Performance Improvement Technologies for B3G Wireless Systems2006

    • Author(s)
      S.Sampei, S.Ibi
    • Journal Title

      PIMRC 2006 (CD-ROM)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] EXIT chart-aided adaptive coding for MMSE turbo equalization with multilevel BICM signaling2006

    • Author(s)
      S.Ibi, T.Matsumoto, S.Sampei, N.Morinaga
    • Journal Title

      IEEE Communications Letters 10, 6

      Pages: 486-488

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Space-path division multiplexing technique for eigenmode transmission system2006

    • Author(s)
      S.Ibi, S.Sampei, N.Morinaga
    • Journal Title

      IEICE Transactions on Communications E89-B, 6

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system with experimental validation2006

    • Author(s)
      S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Transactions on Wireless Communications 5, 7

      Pages: 1775-1784

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A Markov・Kronecker model for analysis of closed-loop MIMO systems2006

    • Author(s)
      S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Communications Letters 10, 8

      Pages: 617-619

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Microscopic spectrum control technique using carrier interferometry for one-cell reuse single carrier TDMA system2006

    • Author(s)
      K.Mashima, S.Sampei
    • Journal Title

      Electronics Letters 42, 21

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements2006

    • Author(s)
      K.Mizutani, K.Sakaguchi.J.Takada, K.Araki
    • Journal Title

      IEICE Transactions on Communications E89-B, 12

      Pages: 3197-3207

    • NAID

      110007538197

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A Carrier Interferometry based Channel Estimation Technique for Once-CellReuse MIMO-OFDM/TDMA Cellular Systems2006

    • Author(s)
      K.Yokomakura, S.Sampei, H.Harada, N.Morinaga
    • Journal Title

      IEEE VTC2006-Spring 64

      Pages: 1733-1737

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Proposal of Electromagnetic Environment-Aware Wireless Network Using Multi-hop Wireless Network System2006

    • Author(s)
      T.Tamura, S.Miyamoto, S.Sampei
    • Journal Title

      IEEE EMC2006 1

      Pages: 53-57

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 「研究成果報告書概要(欧文)」より2006

    • Author(s)
      C.Sritiapetch, S.Sampei
    • Journal Title

      IEEE VTS Asia Pacific Wireless Communications Symposium (in CD-ROM)

    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Experimental analysis of MIMO-OFDM eigenmode transmission with MMSE interference canceller2006

    • Author(s)
      Y.Kakishima, L.Haidoan, S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      PIMRC 2006 (in CD-ROM)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Microscopic Spectrum Control Technique using Carrier Interferometory for One-Cell Reuse Single Carrier TDMA Systems2006

    • Author(s)
      K.Mashima, S.Sampei
    • Journal Title

      PIMRC 2006 (in CD-ROM)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Proposal of Multi-hop Wireless LAN System for QoS Guaranteed Transmission2006

    • Author(s)
      P.K.Kieu, S.Miyamoto
    • Journal Title

      PIMRC 2006 (in CD-ROM)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Flexible Spectrum Control and Receiver Performance Improvement Technologies for B3G Wireless Systems2006

    • Author(s)
      S.Sampei, S.Ibi
    • Journal Title

      PIMRC 2006 (in CD-ROM)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system with experimental validation2006

    • Author(s)
      S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Transactions on Wireless Communications E89-B・6

      Pages: 1960-1963

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 電磁環境と通信環境の両立を考慮したマルチホップ無線ネットワークにおける伝送特性に関する一検討2006

    • Author(s)
      田村尚志, 宮本伸一, 三瓶政一
    • Journal Title

      電子情報通信学会技術研究報告 RCS2005-210

      Pages: 193-198

    • NAID

      110004690798

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 電磁環境を考慮したマルチホップ無線ネットワークに関する一検討2005

    • Author(s)
      田村尚志, 宮本伸一
    • Journal Title

      電子情報通信学会技術研究報告 EMCJ2005-76

      Pages: 103-108

    • NAID

      110003225038

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Performance of Wireless LAN System Based on IEEE 802.11g Standard under Man-Made Noise Environment2005

    • Author(s)
      Akihiko Shiotsuki, Shinichi Miyamoto, Norihiko Morinaga
    • Journal Title

      IEICE Transactions on Communications E88-B・8

      Pages: 3213-3220

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A Study on a Cell Search Method for Dynamic Parameter Controlled OF/TDMA Systems Downlink2005

    • Author(s)
      Hironobu Hatamoto, Seiichi Sampei, Hiroshi Harada
    • Journal Title

      2nd IEEE VTS Asia Pacific Wireless Communications Symposium (APWC'05)

      Pages: 227-231

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A Channel Estimation Technique for Dynamic Parameter Controlled OF/TDMA Systems2005

    • Author(s)
      Kazunari Yokomakura, Seiichi Sampei, Hiroshi Harada, Norihiko Morinaga
    • Journal Title

      16th International Symposium on Personal, Indoor and Mobile Communications (PIMRC'05) (CD-ROM)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Carrier Interferometry伝送を用いた1セル繰返し広帯域シングルキャリアTDMAシステムに関する検討2005

    • Author(s)
      眞嶋 圭悟, 三瓶 政一
    • Journal Title

      電子情報通信学会技術研究報告 RCS2005-175

      Pages: 119-124

    • NAID

      110004083459

    • Related Report
      2005 Annual Research Report
  • [Journal Article] MIMO Channel Capacity in an Indoor Line-Of-Sight (LOS) Environment2005

    • Author(s)
      K.Sakaguchi, H.Y.E.Chua, K.Araki
    • Journal Title

      IEICE Trans.Commun. E88-B・7

      Pages: 3010-3019

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Differential quantization of eigenmodes for MIMO eigenmode transmission systems2005

    • Author(s)
      S.H.Ting, K.Sakaguchi, K.Araki
    • Journal Title

      IEEE Commun.Letters 9・8

      Pages: 697-699

    • Related Report
      2005 Annual Research Report
  • [Journal Article] MIMO伝搬特性の測定装置・測定方法・解析方法・モデル化2005

    • Author(s)
      阪口 啓, 高田 潤一
    • Journal Title

      電子情報通信学会論文誌 J88-B・9

      Pages: 1624-1640

    • NAID

      110003224084

    • Related Report
      2005 Annual Research Report

URL: 

Published: 2005-04-01   Modified: 2021-12-17  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi