JP4869339B2 - 無線基地局装置 - Google Patents
無線基地局装置 Download PDFInfo
- Publication number
- JP4869339B2 JP4869339B2 JP2008517728A JP2008517728A JP4869339B2 JP 4869339 B2 JP4869339 B2 JP 4869339B2 JP 2008517728 A JP2008517728 A JP 2008517728A JP 2008517728 A JP2008517728 A JP 2008517728A JP 4869339 B2 JP4869339 B2 JP 4869339B2
- Authority
- JP
- Japan
- Prior art keywords
- bandwidth
- base station
- cell
- sch
- frame
- 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.)
- Expired - Fee Related
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
-
- 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
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
-
- 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
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Description
3GPP TR 25.913 v7.0.0 (2005-06) "Requirements for Evolved UTRA and UTRAN" 3GPP, R1-051308, NTT DoCoMo et al, "Text Proposal on Cell Search in Evolved UTRA"
受信してセルサーチすることが可能となる。
下、端末と呼ぶ)の構成を示す。
ル後の信号を配置する。すなわち、SCHとスクランブル後の信号とは時間多重される。
5で検出されるシンボルタイミング(FFTウィンドウタイミング)に従ってGIを除去し、こうして得られるGI除去後の信号をFFT処理部225に出力する。
サポート帯域の帯域幅が狭い方のセル帯域幅グループで使用されるP−SCHで相関をとると、その狭い方のセル帯域幅グループのP−SCHを受信しているときには相関ピークが現れるが、広い方のセル帯域幅グループのP−SCHを受信しているときには相関ピークが現れないので、自装置がセルサーチしようとしているセルが属するセル帯域幅グループが、どちらのセル帯域幅グループかを判定することができる。
Claims (4)
- 複数の無線基地局装置を具備するスケーラブル帯域幅システムがサポートする複数のサポート帯域幅のうち各無線基地局装置が使用する最大の前記サポート帯域幅である基地局帯域幅の中で、各無線端末装置の通信帯域幅を前記サポート帯域幅のうちから柔軟に割り当て可能な無線基地局装置であって、
前記基地局帯域幅に応じて分けられる基地局帯域幅グループのうち最小帯域幅のグループで用いられるフレーム同期系列のパターンに直交するパターンが繰り返されたフレーム同期系列を配置したフレームを構成するフレーム構成手段と、
前記フレームを送信する送信手段と、
を具備する無線基地局装置。 - 前記フレーム構成手段は、自装置の基地局帯域幅が属するグループの次に広い基地局帯域幅を持つグループで利用されるフレーム同期系列のパターンに直交するパターンが繰り返されたフレーム同期系列を配置したフレームを構成する請求項1記載の無線基地局装置。
- 最小帯域幅のグループで用いられるフレーム同期系列の前記パターンは、直交アダマール系列である請求項2記載の無線基地局装置。
- 前記フレーム構成手段は、基地局帯域幅グループに応じた前記サポート帯域幅を持ち、前記基地局帯域幅を持つ帯域内の所定帯域に、フレーム同期系列を配置したフレームを構成する請求項1記載の無線基地局装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/310637 WO2007138666A1 (ja) | 2006-05-29 | 2006-05-29 | 無線基地局装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2007138666A1 JPWO2007138666A1 (ja) | 2009-10-01 |
| JP4869339B2 true JP4869339B2 (ja) | 2012-02-08 |
Family
ID=38778195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008517728A Expired - Fee Related JP4869339B2 (ja) | 2006-05-29 | 2006-05-29 | 無線基地局装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20090185550A1 (ja) |
| EP (1) | EP2023517A1 (ja) |
| JP (1) | JP4869339B2 (ja) |
| WO (1) | WO2007138666A1 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8320359B2 (en) * | 2005-10-11 | 2012-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronization channel scheme for super 3G |
| WO2009086660A1 (zh) * | 2007-12-29 | 2009-07-16 | Zte Corporation | 一种大带宽系统下终端的上行传输方法及系统帧结构 |
| KR101231512B1 (ko) * | 2008-05-09 | 2013-02-07 | 한국전자통신연구원 | 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법 |
| WO2010079953A2 (en) | 2009-01-06 | 2010-07-15 | Samsung Electronics Co., Ltd. | Apparatus and method for generating synchronization channel in a wireless communication system |
| KR101607846B1 (ko) * | 2009-01-06 | 2016-04-01 | 삼성전자주식회사 | 무선통신시스템에서 동기 채널 생성 장치 및 방법 |
| USD838288S1 (en) * | 2009-02-24 | 2019-01-15 | Tixtrack, Inc. | Display screen or portion of a display screen with a computer generated venue map and a pop-up window appearing in response to an electronic pointer |
| US9516531B2 (en) * | 2011-11-07 | 2016-12-06 | Qualcomm Incorporated | Assistance information for flexible bandwidth carrier mobility methods, systems, and devices |
| GB201808493D0 (en) * | 2018-05-23 | 2018-07-11 | Nchain Holdings Ltd | Computer-Implemented System and Method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007129546A1 (ja) * | 2006-05-01 | 2007-11-15 | Ntt Docomo, Inc. | 基地局及び同期チャネル生成方法 |
| JP4587965B2 (ja) * | 2006-02-01 | 2010-11-24 | シャープ株式会社 | 移動局装置、基地局装置、共通制御チャネルマッピング方法及び受信方法、プログラム及び記録媒体 |
| JP4698733B2 (ja) * | 2006-05-23 | 2011-06-08 | パナソニック株式会社 | 無線基地局装置 |
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| TW454110B (en) * | 1998-12-17 | 2001-09-11 | Matsushita Electric Industrial Co Ltd | Frequency control and phase synchronization circuit |
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| FR2814303A1 (fr) * | 2000-09-20 | 2002-03-22 | France Telecom | Signal multiporteuse a symbole de reference concu pour limiter l'interference, procede de reception, procede de construction, recepteur et dispositif correspondants |
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2006
- 2006-05-29 WO PCT/JP2006/310637 patent/WO2007138666A1/ja not_active Ceased
- 2006-05-29 JP JP2008517728A patent/JP4869339B2/ja not_active Expired - Fee Related
- 2006-05-29 EP EP06756682A patent/EP2023517A1/en not_active Withdrawn
- 2006-05-29 US US12/302,844 patent/US20090185550A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4587965B2 (ja) * | 2006-02-01 | 2010-11-24 | シャープ株式会社 | 移動局装置、基地局装置、共通制御チャネルマッピング方法及び受信方法、プログラム及び記録媒体 |
| WO2007129546A1 (ja) * | 2006-05-01 | 2007-11-15 | Ntt Docomo, Inc. | 基地局及び同期チャネル生成方法 |
| JP4698733B2 (ja) * | 2006-05-23 | 2011-06-08 | パナソニック株式会社 | 無線基地局装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090185550A1 (en) | 2009-07-23 |
| JPWO2007138666A1 (ja) | 2009-10-01 |
| EP2023517A1 (en) | 2009-02-11 |
| WO2007138666A1 (ja) | 2007-12-06 |
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