JP2001502866A - 移動体通信システムにおけるランダムアクセス - Google Patents
移動体通信システムにおけるランダムアクセスInfo
- Publication number
- JP2001502866A JP2001502866A JP10519279A JP51927998A JP2001502866A JP 2001502866 A JP2001502866 A JP 2001502866A JP 10519279 A JP10519279 A JP 10519279A JP 51927998 A JP51927998 A JP 51927998A JP 2001502866 A JP2001502866 A JP 2001502866A
- Authority
- JP
- Japan
- Prior art keywords
- random access
- access request
- receiver
- signal
- base station
- 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.)
- Granted
Links
- 238000010295 mobile communication Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 9
- 238000012937 correction Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 19
- 238000012545 processing Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000001427 coherent effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000005562 fading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000010267 cellular communication Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003090 exacerbative effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 移動体通信システムにおいてランダムアクセス要求を送信する際に使用す る信号フォーマットであって、 プリアンブルと、 複数の促進フィールドの少なくとも1つとを備え、 前記複数の促進フィールドは移動機識別フィールド、サービスフィールド、短 いデータフィールドおよび通信時間フィールドを含むことを特徴とする信号フォ ーマット。 2. 前記プリアンブルは複数の署名パターンの1つを有する請求項1記載の信 号フォーマット。 3. 複数の促進フィールドの前記少なくとも1つは前方誤り訂正符号化フィー ルドを有する請求項1記載の信号フォーマット。 4. 前記複数の署名パターンの前記1つは別の署名パターンに直交する請求項 2記載の信号フォーマット。 5. 複数のランダムアクセス要求メッセージを復調するのに使用するシステム であって、 第1の複数の整合フィルターと、 第2の複数のアキュムレータとを備え、 前記第1の複数の整合フィルターのそれぞれの出力は、前記第2の複数のアキ ュムレータのそれぞれの入力に接続されることを特徴とするシステム。 6. ユニークな署名パターンが前記第2の複数のアキュムレータのそれぞれの 第2入力に接続される請求項5記載のレシーバ部分。 7. 第3の複数の受信アンテナの出力が前記第1の複数の整合フィルターのそ れぞれの入力に接続される請求項5記載のレシーバ部分。 8. 複数のランダムアクセス要求メッセージを復調するのに使用するレシーバ であって、 前記複数のランダムアクセス要求メッセージの少なくとも1つを検出するフィ ルター手段と、 前記複数のランダムアクセス要求メッセージの検出された前記少なくとも1つ を合計し、前記フィルター手段の出力に接続されたアキュムレータ手段と、 前記アキュムレータ手段の出力で所定の信号を検出するピーク信号検出器手段 と、 前記ピーク信号検出器手段の出力信号に応じてトラフィックチャネルを選択す るチャネル推定手段と、 前記複数のランダムアクセス要求メッセージの前記検出された少なくとも1つ を復調する復調手段と、を備えるレシーバ。 9. 前記アキュムレータ手段はLxnアレイを有する請求項8記載のレシーバ 。 10.IQ復調器のI部分を有する請求項8記載のレシーバ。 11.IQ復調器のQ部分を有する請求項8記載のレシーバ。 12.干渉キャンセラーをさらに有する請求項8記載のレシーバ。 13.複数ランダムアクセスの通信システムにおける移動機の送信電力レベルを 制御する方法であって、 複数のランダムアクセス要求メッセージの少なくとも1つを検出し、 前記複数のランダムアクセス要求メッセージの検出された前記少なくとも1つ を蓄積し、 前記蓄積ステップから得られた所定の信号を検出し、 前記所定信号に応じてトラフィックチャネルを選択し、 前記ランダムアクセス要求メッセージの前記少なくとも1つに関わる移動機の 送信電力レベルを制御する、ステップからなる制御方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/733,501 | 1996-10-18 | ||
US08/733,501 US6259724B1 (en) | 1996-10-18 | 1996-10-18 | Random access in a mobile telecommunications system |
PCT/SE1997/001722 WO1998018280A2 (en) | 1996-10-18 | 1997-10-14 | Random access in a mobile telecommunications system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001502866A true JP2001502866A (ja) | 2001-02-27 |
JP3471813B2 JP3471813B2 (ja) | 2003-12-02 |
Family
ID=24947873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51927998A Expired - Lifetime JP3471813B2 (ja) | 1996-10-18 | 1997-10-14 | 移動体通信システムにおけるランダムアクセス |
Country Status (10)
Country | Link |
---|---|
US (1) | US6259724B1 (ja) |
EP (1) | EP0932996B1 (ja) |
JP (1) | JP3471813B2 (ja) |
KR (1) | KR100509772B1 (ja) |
CN (1) | CN1166241C (ja) |
AU (1) | AU720313B2 (ja) |
BR (1) | BR9711928B1 (ja) |
CA (1) | CA2268668C (ja) |
RU (2) | RU2213430C2 (ja) |
WO (1) | WO1998018280A2 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001292484A (ja) * | 2000-02-16 | 2001-10-19 | Lucent Technol Inc | 多元接続通信チャネルとともに用いられる衝突回復信号処理装置 |
JP2002527967A (ja) * | 1998-10-05 | 2002-08-27 | テレフォンアクチーボラゲット エル エム エリクソン(パブル) | 移動無線通信システムにおけるランダムアクセス |
JP2005229272A (ja) * | 2004-02-12 | 2005-08-25 | Ntt Docomo Inc | 移動局及び基地局 |
WO2006112292A1 (ja) * | 2005-04-13 | 2006-10-26 | Ntt Docomo, Inc. | 移動通信システム、移動局及び基地局並びに通信制御方法 |
WO2007074841A1 (ja) * | 2005-12-28 | 2007-07-05 | Matsushita Electric Industrial Co., Ltd. | 無線送信装置及び無線送信方法 |
JP2012029243A (ja) * | 2010-07-27 | 2012-02-09 | Panasonic Electric Works Co Ltd | 無線通信装置 |
JP2013511218A (ja) * | 2009-11-14 | 2013-03-28 | クゥアルコム・インコーポレイテッド | マルチユーザ通信方式でクライアント主導型送信を管理するための方法および装置 |
JP2020532188A (ja) * | 2017-08-21 | 2020-11-05 | クアルコム,インコーポレイテッド | 優先順位付けされたランダムアクセス手順 |
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JP2012029243A (ja) * | 2010-07-27 | 2012-02-09 | Panasonic Electric Works Co Ltd | 無線通信装置 |
JP2020532188A (ja) * | 2017-08-21 | 2020-11-05 | クアルコム,インコーポレイテッド | 優先順位付けされたランダムアクセス手順 |
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AU4732397A (en) | 1998-05-15 |
US6259724B1 (en) | 2001-07-10 |
JP3471813B2 (ja) | 2003-12-02 |
CN1166241C (zh) | 2004-09-08 |
EP0932996A2 (en) | 1999-08-04 |
BR9711928A (pt) | 1999-08-24 |
RU2213430C2 (ru) | 2003-09-27 |
KR20000049151A (ko) | 2000-07-25 |
CN1234169A (zh) | 1999-11-03 |
CA2268668C (en) | 2006-05-09 |
KR100509772B1 (ko) | 2005-08-23 |
AU720313B2 (en) | 2000-05-25 |
CA2268668A1 (en) | 1998-04-30 |
WO1998018280A2 (en) | 1998-04-30 |
WO1998018280A3 (en) | 1998-07-16 |
RU2256300C2 (ru) | 2005-07-10 |
BR9711928B1 (pt) | 2009-05-05 |
EP0932996B1 (en) | 2017-04-26 |
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