JP2006087120A - 無線システムのソフト・ハンド・オフ中のハイブリッド自動再送要求操作 - Google Patents
無線システムのソフト・ハンド・オフ中のハイブリッド自動再送要求操作 Download PDFInfo
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- JP2006087120A JP2006087120A JP2005270033A JP2005270033A JP2006087120A JP 2006087120 A JP2006087120 A JP 2006087120A JP 2005270033 A JP2005270033 A JP 2005270033A JP 2005270033 A JP2005270033 A JP 2005270033A JP 2006087120 A JP2006087120 A JP 2006087120A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1692—Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1864—ARQ related signaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/187—Details of sliding window management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0093—Point-to-multipoint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- 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
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- Mobile Radio Communication Systems (AREA)
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Abstract
【解決手段】ソフト・ハンド・オフのモードで動作中に、移動局装置が複数の基地局と通信し、複数の基地局の各々からNACKおよびACK信号の形で複数のフィードバック信号を受信する。移動局装置はこれらフィードバック信号の各々の信頼性を判定し、信頼性のある信号を合成し、もしもACK信号が受信されなければ古い情報を再送信する。他方で、1つでも信頼性のあるACK信号を受信することは結果として、新たなデータが複数の基地局へと配信されることにつながる。
【選択図】 図1A
Description
添付の図面と関連付けて為される以下の説明を参照することによって本発明は理解されることが可能であり、図中では類似した参照番号は類似した素子を特定している。
SIR≧SIRThd........信頼性のあるリンク
SIR≦SIRThd........信頼性のないリンク
ここでSIRThdはSIR信頼性の大きさの閾値であり、無線リンクの設定および現場のRF最適化に基づいて最適化される。いったんその無線リンクが信頼性のあるリンクと見なされると、特定の基地局から得たACK/NACK情報が合成に使用されることが可能である。
Claims (10)
- 通信システムを制御するための方法であって、
第1の情報パケットを第1および第2の基地局へと伝達する工程と、
前記第1の基地局から肯定応答信号、および前記第2の基地局から否定応答信号を受信する工程と、
第2の情報パケットが新たな情報パケットであることを少なくとも前記第2の基地局に伝達する工程とを含む方法。 - 前記受信された肯定応答信号および否定応答信号の信頼性を判定する工程をさらに含む、請求項1に記載の方法。
- 前記受信された肯定応答信号および否定応答信号の信頼性を判定する工程がさらに、信号の各々に付随する信号対干渉比に基づき、前記受信された肯定応答信号および否定応答信号の信頼性を判定する工程を含む、請求項2に記載の方法。
- 予め選択された閾値を超えると判定された信頼性を有する前記受信された肯定応答信号および否定応答信号を合成する工程をさらに含む、請求項2に記載の方法。
- 前記第2の情報パケットが新たな情報パケットであることを少なくとも前記第2の基地局に伝達する工程がさらに、前記合成された肯定応答信号および否定応答信号の関数として新たな情報を含む第2の情報パケットを送信する工程を含む、請求項4に記載の方法。
- 前記第2の情報パケットが新たな情報パケットであることを少なくとも前記第2の基地局に伝達する工程がさらに、前記第2の情報パケットが新たな情報パケットであることを示す前記第2の情報パケットを備えた情報を含める工程を含む、請求項1に記載の方法。
- 前記第2の情報パケットが新たな情報パケットであることを少なくとも前記第2の基地局に伝達する工程がさらに、前記第2の情報パケットが新たな情報パケットであることを示す前記第2の情報パケットから分離した信号を供給する工程を含む、請求項1に記載の方法。
- 前記第2の情報パケットが新たな情報パケットであることを示す前記第2の情報パケットから分離した信号を供給する工程がさらに、移動局装置から前記分離信号を供給する工程を含む、請求項7に記載の方法。
- 前記第2の情報パケットが新たな情報パケットであることを示す前記第2の情報パケットから分離した信号を供給する工程がさらに、無線リンク制御器から前記分離信号を供給する工程を含む、請求項7に記載の方法。
- 無線システムを制御するための方法であって、
第1の情報パケットを受信する工程と、
否定応答信号を送信する工程と、
第2の情報パケットが新たな情報パケットであるという通信を受信する工程とを含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/944,449 US20060062173A1 (en) | 2004-09-17 | 2004-09-17 | Hybrid automatic repeat request operation during soft hand offs in a wireless system |
US10/944,449 | 2004-09-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006087120A true JP2006087120A (ja) | 2006-03-30 |
JP4965837B2 JP4965837B2 (ja) | 2012-07-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005270033A Expired - Fee Related JP4965837B2 (ja) | 2004-09-17 | 2005-09-16 | 無線システムのソフト・ハンド・オフ中のハイブリッド自動再送要求操作 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060062173A1 (ja) |
EP (1) | EP1638362A3 (ja) |
JP (1) | JP4965837B2 (ja) |
KR (1) | KR101127867B1 (ja) |
CN (1) | CN1750451B (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009116754A3 (en) * | 2008-03-16 | 2009-12-23 | Lg Electronics Inc. | Method of performing hybrid automatic repeat request (harq) in wireless communication system |
US7756081B2 (en) | 2008-03-21 | 2010-07-13 | Lg Electronics Inc. | Method of data communication in a wireless communication system |
US7903818B2 (en) | 2008-03-13 | 2011-03-08 | Lg Electronics Inc. | Random access method for improving scrambling efficiency |
US7936731B2 (en) | 2008-03-13 | 2011-05-03 | Lg Electronics Inc. | Method of processing HARQ by considering measurement gap |
US8446859B2 (en) | 2008-02-01 | 2013-05-21 | Lg Electronics Inc. | Method for controlling uplink load in cell— FACH state |
US8522103B2 (en) | 2008-05-06 | 2013-08-27 | Electronics And Telecommunications Research Institute | Method and apparatus for controlling retransmission |
JP2013240083A (ja) * | 2008-03-31 | 2013-11-28 | Qualcomm Inc | 制御信号を確実に送信する方法 |
Families Citing this family (13)
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JP4778342B2 (ja) * | 2006-03-27 | 2011-09-21 | 富士通株式会社 | 無線通信方法、無線通信システム、端末および基地局 |
CN101064589B (zh) * | 2006-04-30 | 2011-11-30 | 中兴通讯股份有限公司 | 一种自动重传请求的状态报告方法 |
US8359061B2 (en) * | 2006-06-06 | 2013-01-22 | Panasonic Corporation | Radio communication system, radio terminal, base station, and base station search method |
US8223628B2 (en) * | 2007-01-10 | 2012-07-17 | Lantiq Deutschland Gmbh | Data transmission method, transmitter, receiver, transceiver and transmission system |
EP2129156B1 (en) * | 2007-03-19 | 2012-05-23 | NTT DoCoMo, Inc. | Base station device for use in mobile communication system, user device and method |
US9686045B2 (en) * | 2007-04-04 | 2017-06-20 | Lantiq Beteiligungs-GmbH & Co. KG | Data transmission and retransmission |
CN101547080B (zh) * | 2008-03-24 | 2012-06-20 | 电信科学技术研究院 | 多进程harq天线模式自适应切换的方法和装置 |
US8526397B2 (en) * | 2008-04-24 | 2013-09-03 | Telefonaktiebolaget L M Ericsson (Publ) | TTI bundling indication to non-serving base station |
WO2010016669A2 (en) * | 2008-08-04 | 2010-02-11 | Samsung Electronics Co., Ltd. | Signal transmission method and apparatus for user equipment in mobile communication system |
US8059622B2 (en) * | 2008-09-04 | 2011-11-15 | Intel Corporation | Multi-radio platform and method for coordinating activities between a broadband wireless access network transceiver and co-located transceiver |
WO2010060464A2 (en) * | 2008-11-25 | 2010-06-03 | Nokia Siemens Networks Oy | Point to multipoint transmission control |
CN101860898B (zh) * | 2009-04-10 | 2013-01-02 | 电信科学技术研究院 | 一种配置混合自动重传相关信息的方法和系统 |
EP3384622B1 (en) | 2015-12-01 | 2021-07-14 | IPCom GmbH & Co. KG | Ack/nack messaging in a single frequency network |
Citations (4)
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WO2003092213A1 (en) * | 2002-04-24 | 2003-11-06 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting automatic repeat request in a high-speed wireless packet data communication system |
WO2003105394A1 (en) * | 2002-06-10 | 2003-12-18 | Qualcomm, Incorporated | Rlp retransmission for cdma communication systems |
JP2004064691A (ja) * | 2002-07-31 | 2004-02-26 | Matsushita Electric Ind Co Ltd | 通信装置及びデータの再送制御方法 |
JP2004519122A (ja) * | 2000-11-03 | 2004-06-24 | モトローラ・インコーポレイテッド | リバースリンク・ソフトハンドオフ・ハイブリッド自動再送要求方式のための閉ループ方法 |
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-
2004
- 2004-09-17 US US10/944,449 patent/US20060062173A1/en not_active Abandoned
-
2005
- 2005-09-16 JP JP2005270033A patent/JP4965837B2/ja not_active Expired - Fee Related
- 2005-09-16 KR KR1020050086921A patent/KR101127867B1/ko not_active IP Right Cessation
- 2005-09-16 EP EP05255758A patent/EP1638362A3/en not_active Withdrawn
- 2005-09-16 CN CN2005101039620A patent/CN1750451B/zh not_active Expired - Fee Related
Patent Citations (4)
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JP2004519122A (ja) * | 2000-11-03 | 2004-06-24 | モトローラ・インコーポレイテッド | リバースリンク・ソフトハンドオフ・ハイブリッド自動再送要求方式のための閉ループ方法 |
WO2003092213A1 (en) * | 2002-04-24 | 2003-11-06 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting automatic repeat request in a high-speed wireless packet data communication system |
WO2003105394A1 (en) * | 2002-06-10 | 2003-12-18 | Qualcomm, Incorporated | Rlp retransmission for cdma communication systems |
JP2004064691A (ja) * | 2002-07-31 | 2004-02-26 | Matsushita Electric Ind Co Ltd | 通信装置及びデータの再送制御方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8446859B2 (en) | 2008-02-01 | 2013-05-21 | Lg Electronics Inc. | Method for controlling uplink load in cell— FACH state |
US7903818B2 (en) | 2008-03-13 | 2011-03-08 | Lg Electronics Inc. | Random access method for improving scrambling efficiency |
US7936731B2 (en) | 2008-03-13 | 2011-05-03 | Lg Electronics Inc. | Method of processing HARQ by considering measurement gap |
WO2009116754A3 (en) * | 2008-03-16 | 2009-12-23 | Lg Electronics Inc. | Method of performing hybrid automatic repeat request (harq) in wireless communication system |
US7957329B2 (en) | 2008-03-16 | 2011-06-07 | Lg Electronics Inc. | Method of performing hybrid automatic repeat request (HARQ) in wireless communication system |
US8531997B2 (en) | 2008-03-16 | 2013-09-10 | Lg Electronics Inc. | Method of performing hybrid automatic repeat request (HARQ) in wireless communication system |
US7756081B2 (en) | 2008-03-21 | 2010-07-13 | Lg Electronics Inc. | Method of data communication in a wireless communication system |
US7830837B2 (en) | 2008-03-21 | 2010-11-09 | Lg Electronics Inc. | Method of data communication in a wireless communication system |
JP2013240083A (ja) * | 2008-03-31 | 2013-11-28 | Qualcomm Inc | 制御信号を確実に送信する方法 |
US8522103B2 (en) | 2008-05-06 | 2013-08-27 | Electronics And Telecommunications Research Institute | Method and apparatus for controlling retransmission |
Also Published As
Publication number | Publication date |
---|---|
JP4965837B2 (ja) | 2012-07-04 |
KR101127867B1 (ko) | 2012-03-22 |
KR20060051395A (ko) | 2006-05-19 |
EP1638362A3 (en) | 2006-05-17 |
EP1638362A2 (en) | 2006-03-22 |
US20060062173A1 (en) | 2006-03-23 |
CN1750451A (zh) | 2006-03-22 |
CN1750451B (zh) | 2012-04-18 |
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