WO2008107972A1 - 通信装置および通信システム - Google Patents

通信装置および通信システム Download PDF

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Publication number
WO2008107972A1
WO2008107972A1 PCT/JP2007/054301 JP2007054301W WO2008107972A1 WO 2008107972 A1 WO2008107972 A1 WO 2008107972A1 JP 2007054301 W JP2007054301 W JP 2007054301W WO 2008107972 A1 WO2008107972 A1 WO 2008107972A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication device
sub
communication
boosting amount
zone boosting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/054301
Other languages
English (en)
French (fr)
Inventor
Tsutomu Usui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to US12/529,808 priority Critical patent/US20100086069A1/en
Priority to JP2009502389A priority patent/JP4927936B2/ja
Priority to PCT/JP2007/054301 priority patent/WO2008107972A1/ja
Priority to EP07737848A priority patent/EP2120376A1/en
Priority to KR1020097018489A priority patent/KR20100005002A/ko
Publication of WO2008107972A1 publication Critical patent/WO2008107972A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

　本発明にかかる通信装置は、ＯＦＤＭＡ方式で通信を行う通信装置であって、同期処理で算出されたセグメント番号を取得し、あらかじめ定められているサブチャネルとセグメント番号との対応を参照して、前記取得したセグメント番号に対応するサブチャネルを取得し、プリアンブルの平均電力と前記取得したサブチャネルに含まれるパイロットサブキャリアの平均電力に基づきゾーンブースティング量を求めるゾーンブースティング量算出部（１４）を備え、前記ゾーンブースティング量に基づき受信信号の電力値の補正を行った後に伝送路推定を行い、復調する。
PCT/JP2007/054301 2007-03-06 2007-03-06 通信装置および通信システム Ceased WO2008107972A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/529,808 US20100086069A1 (en) 2007-03-06 2007-03-06 Communication device and communication system
JP2009502389A JP4927936B2 (ja) 2007-03-06 2007-03-06 通信装置および通信システム
PCT/JP2007/054301 WO2008107972A1 (ja) 2007-03-06 2007-03-06 通信装置および通信システム
EP07737848A EP2120376A1 (en) 2007-03-06 2007-03-06 Communication device and communication system
KR1020097018489A KR20100005002A (ko) 2007-03-06 2007-03-06 통신 장치 및 통신 시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/054301 WO2008107972A1 (ja) 2007-03-06 2007-03-06 通信装置および通信システム

Publications (1)

Publication Number Publication Date
WO2008107972A1 true WO2008107972A1 (ja) 2008-09-12

Family

ID=39737877

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/054301 Ceased WO2008107972A1 (ja) 2007-03-06 2007-03-06 通信装置および通信システム

Country Status (5)

Country Link
US (1) US20100086069A1 (ja)
EP (1) EP2120376A1 (ja)
JP (1) JP4927936B2 (ja)
KR (1) KR20100005002A (ja)
WO (1) WO2008107972A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8831541B2 (en) * 2008-12-18 2014-09-09 Qualcomm Incorporated Multiple antenna wireless telecommunication method and system
CN102088310B (zh) * 2009-12-04 2014-03-12 中兴通讯股份有限公司 一种提升ofdma系统下行覆盖和吞吐量的方法
IL203053A (en) * 2009-12-31 2017-01-31 Alvarion Ltd A method and device for transmitting wireless transmissions
KR101509521B1 (ko) * 2013-04-09 2015-04-06 삼성탈레스 주식회사 가변 프레임 구조를 지원하는 국경 감시／정찰용 통신 단말 및 그 프레임 구조 가변 방법
US9397805B2 (en) * 2013-04-15 2016-07-19 Qualcomm Incorporated Systems and methods for backwards-compatible preamble formats for multiple access wireless communication

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006005946A (ja) * 2004-06-19 2006-01-05 Samsung Electronics Co Ltd 広帯域無線接続通信システムにおける安全チャンネルを割り当てるシステム及び方法
JP2006054866A (ja) * 2004-08-13 2006-02-23 Samsung Electronics Co Ltd データフレーム通信方法及びシステム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039001B2 (en) * 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006005946A (ja) * 2004-06-19 2006-01-05 Samsung Electronics Co Ltd 広帯域無線接続通信システムにおける安全チャンネルを割り当てるシステム及び方法
JP2006054866A (ja) * 2004-08-13 2006-02-23 Samsung Electronics Co Ltd データフレーム通信方法及びシステム

Also Published As

Publication number Publication date
KR20100005002A (ko) 2010-01-13
JP4927936B2 (ja) 2012-05-09
JPWO2008107972A1 (ja) 2010-06-10
EP2120376A1 (en) 2009-11-18
US20100086069A1 (en) 2010-04-08

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