JP5144482B2 - 無線通信システムにおいて不連続受信機能を改善する方法及び装置 - Google Patents
無線通信システムにおいて不連続受信機能を改善する方法及び装置 Download PDFInfo
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- JP5144482B2 JP5144482B2 JP2008310305A JP2008310305A JP5144482B2 JP 5144482 B2 JP5144482 B2 JP 5144482B2 JP 2008310305 A JP2008310305 A JP 2008310305A JP 2008310305 A JP2008310305 A JP 2008310305A JP 5144482 B2 JP5144482 B2 JP 5144482B2
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- retransmission
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- 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
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
-
- 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
- H04L1/1848—Time-out mechanisms
- H04L1/1851—Time-out mechanisms using multiple timers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Communication Control (AREA)
Description
ステップ502:複数のDL HARQプロセスがDRX機能を利用した場合、当該複数のDL HARQプロセスの再送検知タイミングを個別に管理する。
ステップ504:終了。
100 無線通信装置
102 入力装置
104 出力装置
106 制御回路
108 CPU
110 記憶装置
112 プログラムコード
114 トランシーバー
200 アプリケーション層
202 第三層
206 第二層
218 第一層
220 DRX機能管理プログラムコード
222 RLCエンティティー
Claims (2)
- 無線通信システムのUE(ユーザー端末)においてDRX(不連続受信)機能を改善する方法であって、
複数のDL HARQ(ダウンリンクハイブリッド自動リピート要求)プロセスがDRX機能を利用した場合に、当該複数のDL HARQプロセスの再送検知タイミングを個別に管理する管理段階を含み、
前記管理段階は、HARQ RTT(ラウンドトリップタイム)タイマーを複数のDL HARQプロセスの各DL HARQプロセスに割り当てる段階を含み、
前記複数のDL HARQプロセスの再送検知タイミングは、複数のDL HARQプロセスが、対応する前記HARQ RTTタイマーに基づいて、PDCCH(物理ダウンリンク制御チャネル)における再送情報を検知するタイミングであり、
前記方法は更に、前記複数のDL HARQプロセスのうち1つのDL HARQプロセスのパケットを受信したときに、対応するHARQ RTTタイマーを起動する段階を含む、DRX機能の改善方法。 - 無線通信システムにおいてDRX機能を改善し、再送スケジューリングの柔軟性を向上させるための通信装置であって、
通信装置の機能を実施する制御回路と、
制御回路の中に設けられ、処理プロセスを実行して制御回路を制御するCPU(中央処理装置)と、
制御回路の中にCPUと結合するように設けられ、処理プロセスを実行するためのプログラムコードを記録する記憶装置とを含み、前記処理プロセスは、
複数のDL HARQプロセスがDRX機能を利用した場合に、当該複数のDL HARQプロセスの再送検知タイミングを個別に管理する管理段階を含み、
前記管理段階は、HARQ RTTタイマーを複数のDL HARQプロセスの各DL HARQプロセスに割り当てる段階を含み、
前記複数のDL HARQプロセスの再送検知タイミングは、複数のDL HARQプロセスが、対応する前記HARQ RTTタイマーに基づいて、PDCCHにおける再送情報を検知するタイミングであり、
前記処理プロセスは更に、前記複数のDL HARQプロセスのうち1つのDL HARQプロセスのパケットを受信したときに、対応するHARQ RTTタイマーを起動する段階を含む、通信装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US99267207P | 2007-12-05 | 2007-12-05 | |
| US60/992,672 | 2007-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009141963A JP2009141963A (ja) | 2009-06-25 |
| JP5144482B2 true JP5144482B2 (ja) | 2013-02-13 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008310303A Active JP4954189B2 (ja) | 2007-12-05 | 2008-12-04 | 無線通信システムにおいて不連続受信機能を改善する方法及び装置 |
| JP2008310305A Active JP5144482B2 (ja) | 2007-12-05 | 2008-12-04 | 無線通信システムにおいて不連続受信機能を改善する方法及び装置 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008310303A Active JP4954189B2 (ja) | 2007-12-05 | 2008-12-04 | 無線通信システムにおいて不連続受信機能を改善する方法及び装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US8340052B2 (ja) |
| EP (2) | EP2068484B1 (ja) |
| JP (2) | JP4954189B2 (ja) |
| KR (2) | KR101268993B1 (ja) |
| CN (2) | CN101453776B (ja) |
| TW (2) | TWI399939B (ja) |
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| CN101702812B (zh) * | 2009-11-03 | 2012-02-08 | 北京邮电大学 | 一种非连续接收控制方法及装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2068485A2 (en) | 2009-06-10 |
| US8427989B2 (en) | 2013-04-23 |
| US8687603B2 (en) | 2014-04-01 |
| JP2009141962A (ja) | 2009-06-25 |
| EP2068485B1 (en) | 2015-07-15 |
| CN101453775B (zh) | 2012-07-04 |
| EP2068484A3 (en) | 2010-04-07 |
| US8340052B2 (en) | 2012-12-25 |
| US20130100796A1 (en) | 2013-04-25 |
| US20090147726A1 (en) | 2009-06-11 |
| CN101453776A (zh) | 2009-06-10 |
| TWI399053B (zh) | 2013-06-11 |
| KR101268993B1 (ko) | 2013-05-29 |
| KR20090059073A (ko) | 2009-06-10 |
| KR100988876B1 (ko) | 2010-10-20 |
| JP4954189B2 (ja) | 2012-06-13 |
| US20090147727A1 (en) | 2009-06-11 |
| JP2009141963A (ja) | 2009-06-25 |
| EP2068484B1 (en) | 2016-05-04 |
| TW200926672A (en) | 2009-06-16 |
| TWI399939B (zh) | 2013-06-21 |
| CN101453775A (zh) | 2009-06-10 |
| CN101453776B (zh) | 2010-10-13 |
| TW200926673A (en) | 2009-06-16 |
| EP2068485A3 (en) | 2010-01-20 |
| KR20090059056A (ko) | 2009-06-10 |
| EP2068484A2 (en) | 2009-06-10 |
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