JP2010539843A - 無線通信システムにおけるポーリング手順の実行方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
- H04W74/06—Scheduled access using polling
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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
- H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
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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
- H04L1/1874—Buffer management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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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
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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Abstract
【選択図】図6
Description
2.再伝送バッファに保存されているAMD PDUが伝送される時、このAMD PDUが、成功裏に受信できなかったと受信側が知らせたAMD PDUの中で最高の連続番号を有する場合
3.再伝送バッファに保存されているAMD PDUが伝送される時、このAMD PDUが、再伝送が要求されるAMD PDUの中で最後に生成されたものである場合
4.再伝送バッファに保存されているAMD PDUが伝送される時、このAMD PDUが、受信側が受信できなかったと知らせたAMD PDUの中で最後に生成されたものである場合
5.伝送バッファからAMD PDUが伝送される時、このAMD PDUが最後に生成されたものである場合
6.伝送バッファからAMD PDUが伝送される時、受信側に伝送するデータが伝送バッファと再伝送バッファにもはや残っていない場合
7.伝送バッファからAMD PDUが伝送される時、受信側に伝送するデータと再伝送するAMD PDUのいずれも伝送バッファにもはや残ってない場合
8.伝送バッファからAMD PDUが伝送される時、受信側に伝送するデータと再伝送を待つAMD PDUのいずれも伝送バッファにもはや残っていない場合
9.伝送バッファからAMD PDUが伝送される時、受信側に伝送するデータが伝送バッファにもはや残っておらず、同時に再伝送バッファに受信側からの受信失敗(NACK)を受信したAMD PDUも残っていない場合
10.再伝送バッファからAMD PDUが伝送される時、このAMD PDUが再伝送すべきAMD PDUの中で最も連続番号が大きく、かつ、受信側に伝送するデータが伝送バッファに残っていない場合
11.再伝送バッファからAMD PDUが伝送される時、このAMD PDUが、受信側からの受信失敗(NACK)を受信したAMD PDUの中で最も連続番号が大きく、かつ、受信側に伝送するデータが伝送バッファに残っていない場合
12.再伝送バッファからAMD PDUが伝送される時、このAMD PDUが、再伝送を必要とするAMD PDUの中で最後に生成されたものであり、かつ、伝送バッファに受信側に伝送するデータが残っていない場合
Claims (12)
- 無線通信システムでデータ再伝送機能を行うプロトコル層におけるデータブロック生成方法であって、
上位層から第1データブロックを受信する段階と、
前記第1データブロックの少なくとも一部、及び伝送バッファ及び再伝送バッファの状態によって設定されるポーリングフィールドを含む第2データブロックを生成する段階と、
を含み、
前記ポーリングフィールドは、前記伝送バッファ及び再伝送バッファに受信側に伝送されるデータがない場合、前記受信側に状態報告の伝送を指示する値を含むことを特徴とする、データブロック生成方法。 - 前記受信側に伝送するデータが前記再伝送バッファにあるか否かを判断する時、前記受信側から確認応答を受信待機中のデータブロックは考慮しないことを特徴とする、請求項1に記載のデータブロック生成方法。
- 前記受信側に伝送するデータが前記再伝送バッファにない場合が、前記受信側から再伝送要求情報を受信した全てのデータブロックが再伝送される場合を含むことを特徴とする、請求項1に記載のデータブロック生成方法。
- 前記プロトコル層は、無線リンク制御(RLC)層であることを特徴とする、請求項1に記載のデータブロック生成方法。
- 無線通信システムでデータ再伝送機能を行うプロトコル層におけるデータ伝送方法であって、
受信側から再伝送バッファに保存されているデータブロックに対して再伝送を要求する状態報告を受信する段階と、
前記プロトコル層の伝送バッファ及び再伝送バッファの状態によって、前記データブロックに含まれたポーリングフィールドを設定する段階と、
前記データブロックを前記受信側に伝送する段階と、
を含み、
前記ポーリングフィールドは、前記データブロックの伝送後、前記伝送バッファ及び再伝送バッファに前記受信側に伝送するデータがない場合、前記受信側に状態報告の伝送を指示する値を含むことを特徴とする、データ伝送方法。 - 前記受信側に伝送するデータが前記再伝送バッファにあるか否かを判断する時、前記受信側から確認応答を受信待機中のデータブロックは考慮しないことを特徴とする、請求項5に記載のデータ伝送方法。
- 無線通信システムでデータ再伝送機能を行うプロトコル層におけるポーリング手順実行方法であって、
前記プロトコル層の伝送バッファ及び再伝送バッファの状態をチェックする段階と、
前記伝送バッファ及び再伝送バッファの双方に受信側に伝送するデータがない場合に、前記受信側に状態報告の伝送を要求するためのポーリング手順を実行する段階と、
を含む、ポーリング手順実行方法。 - 前記ポーリング手順実行段階は、
前記受信側に伝送するデータブロックのポーリングフィールドを特定値に設定する段階と、
前記データブロックを前記受信側に伝送する段階と、
を含むことを特徴とする、請求項7に記載のポーリング手順実行方法。 - 前記受信側に伝送するデータが前記再伝送バッファにあるか否かを判断する時、前記受信側から確認応答を受信待機中のデータブロックは考慮しないことを特徴とする、請求項8に記載のポーリング手順実行方法。
- 無線通信システムでデータ再伝送機能を行うプロトコル層におけるポーリング手順実行方法であって、
ヘッダ部分及びデータフィールド部分を含むデータブロックを生成する段階と、
受信側に伝送した少なくとも一つのデータブロックに含まれたデータのサイズ及び前記生成されたデータブロックに含まれたデータのサイズの和が、所定の閾値以上であるか否かをチェックする段階と、
前記データサイズの和が前記閾値以上である場合、ポーリング手順を実行する段階と、
を含む、ポーリング手順実行方法。 - 前記データのサイズの和を計算する時、前記少なくとも一つのデータブロック及び前記生成されたデータブロックのデータフィールド部分に含まれたデータのサイズのみを考慮することを特徴とする、請求項10に記載のポーリング手順実行方法。
- 前記ポーリング手順は、前記生成されたデータブロックのヘッダに含まれたポーリングフィールドを特定値に設定することによって行われることを特徴とする、請求項10に記載のポーリング手順実行方法。
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US97344207P | 2007-09-18 | 2007-09-18 | |
US60/973,442 | 2007-09-18 | ||
US98180707P | 2007-10-22 | 2007-10-22 | |
US60/981,807 | 2007-10-22 | ||
KR1020080084996A KR101591824B1 (ko) | 2007-09-18 | 2008-08-29 | 무선 통신 시스템에서의 폴링 과정 수행 방법 |
KR10-2008-0084996 | 2008-08-29 | ||
PCT/KR2008/005485 WO2009038338A1 (en) | 2007-09-18 | 2008-09-17 | A method of performing polling procedure in a wireless communication system |
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JP2010539843A true JP2010539843A (ja) | 2010-12-16 |
JP2010539843A5 JP2010539843A5 (ja) | 2012-02-16 |
JP5048135B2 JP5048135B2 (ja) | 2012-10-17 |
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EP (1) | EP2040408B1 (ja) |
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KR (1) | KR101591824B1 (ja) |
CN (1) | CN101868932A (ja) |
BR (1) | BRPI0816989B1 (ja) |
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