JP4044904B2 - 別個の再送信送信機によるパケット・データ再送信 - Google Patents
別個の再送信送信機によるパケット・データ再送信 Download PDFInfo
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- JP4044904B2 JP4044904B2 JP2003555722A JP2003555722A JP4044904B2 JP 4044904 B2 JP4044904 B2 JP 4044904B2 JP 2003555722 A JP2003555722 A JP 2003555722A JP 2003555722 A JP2003555722 A JP 2003555722A JP 4044904 B2 JP4044904 B2 JP 4044904B2
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- Prior art keywords
- nack
- transmitter
- user equipment
- ack
- downlink channel
- Prior art date
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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
- H04L1/1887—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
-
- 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
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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)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Description
制御装置からの命令で、
データ・パケットを第1の送信機から前記ユーザ装置に送信するステップと、
前記データ・パケットが前記ユーザ装置で誤って受信された場合、否定的受信確認メッセージ(NACK)を前記ユーザ装置から前記制御装置へ送るステップと、
前記制御装置でNACKを受信すると、前記制御装置からの命令で、前記データ・パケットを第2の送信機から前記ユーザ装置に、複数のユーザ装置間で共用されたダウンリンク・チャネルを介して再送信するステップと
を備える方法を備える。
共用チャネルは、通信システムにより設けられた予備キャリアであり得るか、又はUEにより検出可能である別個に設けられたブロードキャスト・チャネルであり得る。
従って、事実上2つの並列システムがある。高容量セルラ・システムは、回線交換データ、及びパケット・データの初期送信のため用いられる。既知の構成とは異なり、このシステム上で反復送信が原理的に無い。第2のシステムは、再送信だけのために用いられる一層低い容量「メガセル(megacell)」オーバレイから成る。
Claims (8)
- セルラ通信システムにおいて2つの並列したチャネルを利用してデータ・パケットをユーザ装置に送信する方法であって、
制御装置からの命令で、
データ・パケットを関連したカバレージ・エリアを有する第1の送信機から前記ユーザ装置に送信するステップと、
前記データ・パケットが前記ユーザ装置で誤って受信された場合、否定的受信確認メッセージ(NACK)を前記ユーザ装置から前記制御装置へ送るステップと、
前記制御装置でNACKを受信すると、前記制御装置からの命令で、前記データ・パケットを第2の送信機から前記ユーザ装置に、複数のユーザ装置間で共用されたダウンリンク・チャネルを介して再送信するステップとを備え、
前記ダウンリンク・チャネルが、前記関連したカバレージ・エリアよりも広いエリアをカバーする広域ダウンリンク・チャネルである方法。 - 前記データ・パケットが正しく受信された場合肯定的受信確認メッセージ(ACK)を送るステップを含む請求項1記載の方法。
- 送る前に前記のNACK/ACKメッセージをコード化するステップを更に備える請求項1又は2記載の方法。
- 前記のNACK/ACKメッセージが、パケット識別番号、及び受信されたパケットに関するNACK/ACK指示を備える請求項1から3のいずれか一項に記載の方法。
- 前記のNACK/ACKメッセージが、前記ユーザ装置から前記制御装置に、前記第2の送信機と同一場所に配置された受信機を介して送られる請求項1から4のいずれか一項に記載の方法。
- セルラ通信システムにおいて制御装置からユーザ装置へのデータ・パケットの送信を制御する装置であって、
前記ユーザ装置へデータ・パケットを送信する、関連したカバレージ・エリアを有する第1の送信機と、
前記制御装置からの命令で、誤って受信されたデータ・パケットを前記ユーザ装置に、複数のユーザ装置間で共用されたダウンリンク・チャネルを介して再送信する第2の送信機とを含み、
前記ダウンリンク・チャネルが、前記関連したカバレージ・エリアよりも広いエリアをカバーする広域ダウンリンク・チャネルである装置。 - 前記第2の送信機と同一場所に配置され、否定的受信確認(NACK)メッセージ及び肯定的受信確認(ACK)メッセージを前記ユーザ装置から受信する受信機を更に含む請求項6記載の装置。
- プロセッサが請求項1から5のいずれか一項に記載の方法を実行するよう制御するためのプロセッサ実行可能命令を格納する記憶媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0131109A GB2383491B (en) | 2001-12-20 | 2001-12-20 | Packet data re-transmission |
PCT/EP2002/011277 WO2003055124A1 (en) | 2001-12-20 | 2002-10-07 | Packet data re-transmission with separate retransmission transmitter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005513910A JP2005513910A (ja) | 2005-05-12 |
JP4044904B2 true JP4044904B2 (ja) | 2008-02-06 |
Family
ID=9928501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003555722A Expired - Lifetime JP4044904B2 (ja) | 2001-12-20 | 2002-10-07 | 別個の再送信送信機によるパケット・データ再送信 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1459470B1 (ja) |
JP (1) | JP4044904B2 (ja) |
AT (1) | ATE336120T1 (ja) |
AU (1) | AU2002340978A1 (ja) |
DE (1) | DE60213864T2 (ja) |
GB (1) | GB2383491B (ja) |
WO (1) | WO2003055124A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006030019A2 (en) | 2004-09-15 | 2006-03-23 | Siemens Aktiengesellschaft | Decoding method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9223890D0 (en) * | 1992-11-13 | 1993-01-06 | Ncr Int Inc | Wireless local area network system |
US5594490A (en) * | 1994-05-23 | 1997-01-14 | Cable Services Technologies, Inc. | System for distributing video/audio files from central location to a plurality of cable headends |
JPH08251146A (ja) * | 1995-03-13 | 1996-09-27 | Toshiba Corp | データ伝送制御システム |
US5689439A (en) * | 1995-03-31 | 1997-11-18 | Lucent Technologies, Inc. | Switched antenna diversity transmission method and system |
US6101168A (en) * | 1997-11-13 | 2000-08-08 | Qualcomm Inc. | Method and apparatus for time efficient retransmission using symbol accumulation |
US6778558B2 (en) * | 1998-02-23 | 2004-08-17 | Lucent Technologies Inc. | System and method for incremental redundancy transmission in a communication system |
US5966384A (en) * | 1998-05-08 | 1999-10-12 | Motorola, Inc. | Method and apparatus for data transmission within a broad-band communication system |
KR100516686B1 (ko) * | 2000-07-08 | 2005-09-22 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템의 복합 재전송방법 |
-
2001
- 2001-12-20 GB GB0131109A patent/GB2383491B/en not_active Expired - Fee Related
-
2002
- 2002-10-07 DE DE60213864T patent/DE60213864T2/de not_active Expired - Lifetime
- 2002-10-07 WO PCT/EP2002/011277 patent/WO2003055124A1/en active IP Right Grant
- 2002-10-07 AT AT02774693T patent/ATE336120T1/de not_active IP Right Cessation
- 2002-10-07 AU AU2002340978A patent/AU2002340978A1/en not_active Abandoned
- 2002-10-07 JP JP2003555722A patent/JP4044904B2/ja not_active Expired - Lifetime
- 2002-10-07 EP EP02774693A patent/EP1459470B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2383491A (en) | 2003-06-25 |
JP2005513910A (ja) | 2005-05-12 |
EP1459470A1 (en) | 2004-09-22 |
WO2003055124A1 (en) | 2003-07-03 |
ATE336120T1 (de) | 2006-09-15 |
AU2002340978A1 (en) | 2003-07-09 |
GB2383491B (en) | 2005-01-19 |
GB0131109D0 (en) | 2002-02-13 |
EP1459470B1 (en) | 2006-08-09 |
DE60213864T2 (de) | 2006-12-14 |
DE60213864D1 (de) | 2006-09-21 |
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