Achieving Gbps throughput for millimeter-wave WPAN with an anti-blocking scheme using deflection routing (無線通信システム)

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概要

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• In this paper, we propose a deflection routing scheme for throughput improvement to realize Gbps millimeter-wave wireless personal area network (mmWave WPAN) system. The upcoming mmWave WAN system is designed to support transmission of uncompressed high definition TV (HDTV), high speed wireless downloading and docking etc. These data-rate-greedy applications require Gbps-order throughput which can be met by the capability of mmWave PHY. However, because of the ad-hoc formed network topology, it is easily happening that the line-of-sight (LOS) path may be blocked, while the non-line-of-sight (NLOS) path is not sufficient to guarantee Gbps throughput due to signal degradation. In this paper, we propose a cross-layer deflection routing (DR) scheme to solve the issue. When the direct path is blocked, the source device finds a relay to form deflection route, send the data to the destination through this alternative route. To avoid throughput degradation due to the consumption of extra time for relay operation, the deflection route is designed to share time slots with other transmissions on direct path. Two routing algorithms are proposed, namely random fit DR (RFDR) and best fit DR (BFDR). They search appropriate relay and time slots that provides sufficient isolation of co-channel interference (CCI) between the transmissions on direct path and deflection route. Computer simulations show that, in realistic 60GHz environment, Gbps-order system throughput is achieved under blocking condition. There is up to 35% system throughput improvement compared to the conventional relay scheme.

• 2009-02-25

著者

• SUM Chin-Sean

  National Institute of Information and Communications Technology (NICT)

• BAYKAS Tuncer

  National Institute of Information and Communications Technology (NICT)

• LAN Zhou

  National Institute of Information and Communications Technology (NICT)

• WANG Junyi

  National Institute of Information and Communications Technology (NICT)

• FUNADA Ryuhei

  National Institute of Information and Communications Technology (NICT)

• KOJIMA Fumihide

  National Institute of Information and Communications Technology (NICT)

• HARADA Hiroshi

  National Institute of Information and Communications Technology (NICT)

• KATO Shuzo

  National Institute of Information and Communications Technology (NICT)

• Sum Chin

  National Institute of Information and Communications Technology (NICT)

• 加藤 修三

  東北大

• Sum Chin‐sean

  National Institute Of Information And Communications Technology (nict)

• ベイカス トンジュール

  National Institute Of Information And Communications Technology (nict)

• Baykas Tuncer

  Nict

• Kojima Fumihide

  Nict

• Kojima Fumihide

  National Institute Of Information And Communications Technology

• Wang Junyi

  Nict

• Lan Zhou

  National Institute Of Information And Communications Technology

• Funada Ryuhei

  National Inst. Information And Communications Technol. (nict) Kanagawa Jpn

• Funada Ryuhei

  Graduate School Of Science And Engineering Chuo University

• NAKASE Hiroyuki

  Research Institute of Electrical Communication Tohoku University

• Nakase Hiroyuki

  Tohoku University

• 船田 龍平

  情報通信研究機構

• Kato Shuzo

  Tohoku Univ. Sendai Jpn

• Wang Junyi

  National Institute Of Information And Communications Technology

• Baykas Tuncer

  National Institute Of Information And Communications Technology(nict) New Generation Wireless Commun

• Sun Chen

  New Generation Wireless Communications Research Center National Institute Of Information And Communi

• Nakase Horoyuki

  Research Institute of Electrical Communication Tohoku University

• Nakase Hiroyuki

  Research Institute Of Electrical Communicaiton Tohoku University

• Kato Shuzo

  National Institute Of Information And Communications Technology

• Baykas Tuncer

  National Inst. Of Information And Communications Technol. (nict) Yokosuka Jpn

• Harada Hiroshi

  National Inst. Of Information And Communications Technol. (nict) Kanagawa Jpn

• Sum Chin‐sean

  独立行政法人情報通信研究機構

• Kato Shuzo

  Tohoku Univ. Sendai‐shi Jpn

• Harada Hiroshi

  National Insitute Of Information And Communication Technology

• Lan Zhou

  National Institute Of Information And Communications Technology (nict) New Generation Wireless Commu

• Baykas Tuncer

  National Institute Of Information And Communications Technology(nict) New Generation Wireless Commun

• Lan Zhou

  National Institute of Information and Communication Technology

• Lan Zhou

  National Institute of Information & Communications Technology (NICT)

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