JP5048751B2 - 時変信号品質報告 - Google Patents
時変信号品質報告 Download PDFInfo
- Publication number
- JP5048751B2 JP5048751B2 JP2009500994A JP2009500994A JP5048751B2 JP 5048751 B2 JP5048751 B2 JP 5048751B2 JP 2009500994 A JP2009500994 A JP 2009500994A JP 2009500994 A JP2009500994 A JP 2009500994A JP 5048751 B2 JP5048751 B2 JP 5048751B2
- Authority
- JP
- Japan
- Prior art keywords
- signal quality
- radio station
- received signal
- data packet
- response
- 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
- 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
- H04L1/1854—Scheduling and prioritising arrangements
-
- 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
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
-
- 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 signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
Description
a)周期的報告の開始時に前記MSにシグナリングメッセージを送信し、前記報告の周期が変更されるべきであるか又は前記報告が終了される場合に他のシグナリングメッセージを送信することにより、規則的な周期的CQI報告(例えばUMTSの高速ダウンリンクパケットアクセス(HSDPA)において2ms毎ないし160ms毎)を送信するように前記MSを構成すること、
b)各受信されたデータパケットの後に単一のCQI報告を送信するように前記MSを構成すること、
c)各否定応答されたデータパケットの後に単一のCQI報告を送信するように前記MSを構成すること、
d)前記MSから単一の1回限りのCQI報告を要求するためにシグナリングメッセージを使用すること、
が既知である。
Claims (12)
- 無線局を動作する方法において、
データパケットを受信するステップと、
前記受信されたデータパケットを復号するステップと、
前記復号の結果に依存して、複数の応答信号の1つを選択するステップと、
前記選択された応答信号及び受信信号品質の示度を送信するステップと、
前記複数の応答信号のいずれが送信されるかに依存するように前記受信信号品質の示度の送信時間を制御するステップと、
を有する方法。 - 前記複数の応答信号が、前記データパケットが成功裏に復号された場合に送信される肯定応答と、前記データパケットが不成功に復号された場合に送信される否定応答とを有し、前記方法が、肯定応答が送信される場合に否定応答が送信される場合より遅い前記受信信号品質の示度の送信時間を選択するステップを更に有する、請求項1に記載の無線局を動作する方法。
- 前記否定応答が、前記受信信号品質の示度を有する、請求項2に記載の無線局を動作する方法。
- 複数の受信されたデータパケット間の平均時間間隔に依存して前記より遅い送信時間を選択するステップを有する、請求項2又は3に記載の無線局を動作する方法。
- 前記受信信号品質が所定の基準に適合する場合に前記受信信号品質の示度の送信を控えるステップを有する、請求項1ないし4のいずれか一項に記載の無線局を動作する方法。
- 前記所定の基準が、
前記受信信号品質が所定の品質閾値より下であること、
前記受信信号品質が所定の時間期間内に所定の量より多くは変化しないこと、
の1つである、請求項5に記載の方法。 - 第1の無線局及び第2の無線局を有する通信システムを動作する方法において、請求項1ないし6のいずれか一項に記載の方法によって前記第1の無線局を動作するステップと、前記第2の無線局において、
前記第1の無線局にデータパケットを送信するステップと、
前記応答信号及び前記受信信号品質の示度を受信し、前記応答信号に依存して、他のデータパケットを送信する又は以前に送信されたデータパケットを再送信するための送信フォーマットを選択するのに前記受信信号品質の示度を使用するステップと、
を有する方法。 - データパケットを受信する受信器手段と、
前記受信されたデータパケットを復号する復号器手段と、
前記復号の結果に依存して、複数の応答信号の1つを選択するセレクタ手段と、
前記選択された応答信号を送信し、受信信号品質の示度を送信する送信器手段と、
前記複数の応答信号のいずれが送信されるかに依存するように前記受信信号品質の示度の送信時間を制御するように構成される制御手段と、
を有する無線局。 - 前記セレクタ手段が、前記データパケットが成功裏に復号された場合に肯定応答を選択し、前記データパケットが不成功に復号された場合に否定応答を選択するように構成され、前記制御手段が、肯定応答が送信される場合に否定応答が送信される場合より遅い前記受信信号品質の示度の送信時間を選択するように構成される、請求項8に記載の無線局。
- 前記否定応答及び前記受信信号品質の示度を同じ送信信号に符号化するように構成された符号化器手段を有する、請求項9に記載の無線局。
- 前記制御手段が、複数の受信されたデータパケット間の平均時間間隔に依存して前記より遅い送信時間を選択するように構成される、請求項9又は10に記載の無線局。
- 請求項8ないし11のいずれか一項に記載の第1の無線局及び第2の無線局を有する通信システムにおいて、前記第2の無線局が、
前記第1の無線局にデータパケットを送信する送信器手段と、
前記応答信号及び前記受信信号品質の示度を受信する受信器手段と、
前記応答信号に依存して、他のデータパケットを送信する又は以前に送信されたデータパケットを再送信するための送信フォーマットを選択するのに前記受信信号品質の示度を使用するように構成されるセレクタ手段と、
を有する、システム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06111401 | 2006-03-20 | ||
EP06111401.3 | 2006-03-20 | ||
EP07300722.1 | 2007-01-11 | ||
EP07300722 | 2007-01-11 | ||
PCT/IB2007/050937 WO2007107943A2 (en) | 2006-03-20 | 2007-03-19 | Time varying signal quality reporting |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009530947A JP2009530947A (ja) | 2009-08-27 |
JP5048751B2 true JP5048751B2 (ja) | 2012-10-17 |
Family
ID=38436816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009500994A Expired - Fee Related JP5048751B2 (ja) | 2006-03-20 | 2007-03-19 | 時変信号品質報告 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8345715B2 (ja) |
EP (1) | EP1999877A2 (ja) |
JP (1) | JP5048751B2 (ja) |
KR (1) | KR101507759B1 (ja) |
CN (1) | CN101405982B (ja) |
TW (1) | TWI446744B (ja) |
WO (1) | WO2007107943A2 (ja) |
Families Citing this family (19)
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WO2008085954A2 (en) * | 2007-01-05 | 2008-07-17 | Interdigital Technology Corporation | Fast uplink response to downlink shared channel transmission without a dedicated uplink channel |
US8547986B2 (en) | 2007-04-30 | 2013-10-01 | Apple Inc. | System and method for resource block-specific control signaling |
US20080268785A1 (en) * | 2007-04-30 | 2008-10-30 | Mccoy James W | UE-autonomous CFI reporting |
US20090201871A1 (en) * | 2008-02-12 | 2009-08-13 | Qualcomm, Incorporated | Efficient utilization of channel resources in wireless communication |
EP2252120A4 (en) | 2008-03-07 | 2014-05-14 | Nec Corp | Radio communication system, communication device, radio communication network system and method therefor |
US7978623B1 (en) | 2008-03-22 | 2011-07-12 | Freescale Semiconductor, Inc. | Channel rank updates in multiple-input multiple-output communication systems |
CN101572591B (zh) * | 2008-04-28 | 2012-06-20 | 鼎桥通信技术有限公司 | 一种传输多个ack/nack信息的方法 |
US8923219B2 (en) * | 2010-02-17 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus for supporting adaptive channel state information feedback rate in multi-user communication systems |
US20120238271A1 (en) * | 2011-03-18 | 2012-09-20 | Research In Motion Limited | Method and system for facilitating handover for a mobile device |
CN102201900B (zh) * | 2011-05-19 | 2013-06-12 | 大唐移动通信设备有限公司 | 一种上报ack/nack信息的方法和基站 |
US9167472B2 (en) | 2011-07-01 | 2015-10-20 | Qualcomm Incorporated | Methods and apparatus for enhanced UL RLC flow control for MRAB calls |
US9232482B2 (en) | 2011-07-01 | 2016-01-05 | QUALOCOMM Incorporated | Systems, methods and apparatus for managing multiple radio access bearer communications |
US9591593B2 (en) | 2011-07-22 | 2017-03-07 | Qualcomm Incorporated | Systems, methods and apparatus for radio uplink power control |
US8693351B2 (en) * | 2011-07-26 | 2014-04-08 | Litepoint Corporation | System and method for deterministic testing of packet error rate in electronic devices |
TWI457017B (zh) * | 2011-08-03 | 2014-10-11 | Acer Inc | 切換無線通訊系統運作模式之方法 |
US9930569B2 (en) | 2011-08-04 | 2018-03-27 | Qualcomm Incorporated | Systems, methods and apparatus for wireless condition based multiple radio access bearer communications |
US9686046B2 (en) | 2011-09-13 | 2017-06-20 | Qualcomm Incorporated | Systems, methods and apparatus for wireless condition based multiple radio access bearer communications |
US8873535B2 (en) | 2011-09-26 | 2014-10-28 | Qualcomm Incorporated | Systems, methods and apparatus for retransmitting protocol data units in wireless communications |
US11082946B2 (en) * | 2016-10-13 | 2021-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Wireless device, a network node and methods therein for optimizing paging in a communications network |
Family Cites Families (18)
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KR100434459B1 (ko) | 2000-06-27 | 2004-06-05 | 삼성전자주식회사 | 이동통신 시스템에서 패킷의 전송 제어방법 및 장치 |
US6961309B2 (en) * | 2001-04-25 | 2005-11-01 | International Business Machines Corporation | Adaptive TCP delayed acknowledgment |
US6810236B2 (en) | 2001-05-14 | 2004-10-26 | Interdigital Technology Corporation | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
DE60221606T2 (de) * | 2001-05-14 | 2008-05-21 | Lg Electronics Inc. | Verfahren zum Steuern der Datenübertragung in einem Funkkommunikationssystem |
CN1228952C (zh) * | 2001-08-28 | 2005-11-23 | 索尼公司 | 发射机和发射控制方法 |
US7477876B2 (en) | 2001-11-02 | 2009-01-13 | Alcatel-Lucent Usa Inc. | Variable rate channel quality feedback in a wireless communication system |
EP1516449B1 (en) * | 2002-06-21 | 2016-06-22 | BRITISH TELECOMMUNICATIONS public limited company | Timer-based feedback in multicast communication |
EP1388964B1 (en) | 2002-08-06 | 2006-11-22 | Mitsubishi Electric Information Technology Centre Europe B.V. | Transmission quality reporting method |
JP2004112597A (ja) * | 2002-09-20 | 2004-04-08 | Matsushita Electric Ind Co Ltd | 基地局装置及びパケット品質推定方法 |
JP2006505221A (ja) | 2002-11-01 | 2006-02-09 | インターディジタル テクノロジー コーポレイション | 無線通信システム用のチャネル品質予測方法 |
KR100724972B1 (ko) * | 2003-01-24 | 2007-06-04 | 마쯔시다덴기산교 가부시키가이샤 | 회선 품질 보고의 정도(精度) 시험 장치 및 정도(精度) 시험 방법 |
US20040179493A1 (en) | 2003-03-14 | 2004-09-16 | Khan Farooq Ullah | Methods of transmitting channel quality information and power allocation in wireless communication systems |
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KR20050082333A (ko) | 2004-02-18 | 2005-08-23 | 삼성전자주식회사 | 이동통신시스템에서 고속 패킷 데이터의 재전송을 위해효율적으로 제어정보를 전송하는 장치 및 방법 |
KR100606062B1 (ko) | 2004-02-26 | 2006-07-26 | 삼성전자주식회사 | 이동통신 시스템에서 시변채널의 특성에 따라 채널품질정보의 전송을 제어하는 방법 |
US20100232367A1 (en) | 2006-02-03 | 2010-09-16 | Mitsubishi Electric Corporation | Communication apparatus, radio communication system and radio communication method |
-
2007
- 2007-03-16 TW TW096109161A patent/TWI446744B/zh not_active IP Right Cessation
- 2007-03-19 JP JP2009500994A patent/JP5048751B2/ja not_active Expired - Fee Related
- 2007-03-19 KR KR1020087022712A patent/KR101507759B1/ko not_active IP Right Cessation
- 2007-03-19 CN CN2007800101392A patent/CN101405982B/zh not_active Expired - Fee Related
- 2007-03-19 WO PCT/IB2007/050937 patent/WO2007107943A2/en active Application Filing
- 2007-03-19 US US12/293,287 patent/US8345715B2/en not_active Expired - Fee Related
- 2007-03-19 EP EP07735164A patent/EP1999877A2/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN101405982B (zh) | 2012-06-27 |
TW200805934A (en) | 2008-01-16 |
WO2007107943A2 (en) | 2007-09-27 |
US20090104901A1 (en) | 2009-04-23 |
EP1999877A2 (en) | 2008-12-10 |
TWI446744B (zh) | 2014-07-21 |
CN101405982A (zh) | 2009-04-08 |
JP2009530947A (ja) | 2009-08-27 |
KR101507759B1 (ko) | 2015-04-06 |
US8345715B2 (en) | 2013-01-01 |
KR20080112236A (ko) | 2008-12-24 |
WO2007107943A3 (en) | 2007-12-21 |
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