JP5363623B2 - マルチレイヤ構造でQoSを保証するための方法 - Google Patents
マルチレイヤ構造でQoSを保証するための方法 Download PDFInfo
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- JP5363623B2 JP5363623B2 JP2012151205A JP2012151205A JP5363623B2 JP 5363623 B2 JP5363623 B2 JP 5363623B2 JP 2012151205 A JP2012151205 A JP 2012151205A JP 2012151205 A JP2012151205 A JP 2012151205A JP 5363623 B2 JP5363623 B2 JP 5363623B2
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- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H04L47/00—Traffic control in data switching networks
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Description
本発明の一実施例は、基地局と端末が、設定された無線ベアラのサービス品質(Quality of Service;QoS)を満たしながら、同時にデータを效果的に管理する方法を提示する。このために、本発明の一実施例は、送信側プロトコル層エンティティが収容できるバッファの最大の大きさ、データの最大許容遅延値(Maximum allowed Delay)または許容伝達時間などを考慮して、当該プロトコル層に格納されたデータを削除するか否かを決定する。好ましくは、このプロトコル層はPDCP層である。以下、PDCP層を中心に本発明の一実施例による一般的な動作例を詳細に説明する。ここで、「削除(discard)」という用語は、「消去(deletion)」、「廃棄(delete)」、「放棄(abandon)」、「抹消(erase)」または「除去(remove)」などの等価の用語と混用することができる。
Claims (12)
- 無線移動通信システムにおける送信端におけるデータ処理方法であって、
前記送信端の無線リンク制御(RLC)層において、前記送信端のパケットデータ収束プロトコル(PDCP)層からデータブロックを受信することと、
前記送信端のRLC層において、前記送信端のPDCP層から前記データブロックの削除に関連する情報を受信することと、
前記送信端のRLC層において、前記情報に従って前記データブロックを削除することと、を有し、
前記削除に関連する情報は、前記データブロックの削除を示す、または、前記データブロックの削除を指示するのに用いられる、データ処理方法。 - 前記データブロックは、無線リンク制御(RLC)サービスデータユニット(SDU)である、請求項1に記載のデータ処理方法。
- 前記RLC層は、確認モード(AM)または非確認モード(UM)で動作する、請求項1に記載のデータ処理方法。
- 前記削除に関連する情報は、前記PDCP層において前記データブロックが削除されたことを示す、または、前記データブロックの削除を前記RLC層に指示する、請求項1に記載のデータ処理方法。
- 前記送信端の前記PDCP層において、一定の時間が経過した場合、前記PDCP層に存在する前記データブロックを削除することをさらに有する、請求項1に記載のデータ処理方法。
- 前記送信端の前記PDCP層において、前記データブロックが既に前記PDCP層から前記送信端のRLC層に伝達されている場合、前記データブロックの削除に関連する情報を前記RLC層に伝達することをさらに有する、請求項4に記載のデータ処理方法。
- 無線移動通信システムにおいて使用される装置であって、
パケットデータ収束プロトコル(PDCP)エンティティと、
前記PDCPエンティティの下位に配置された無線リンク制御(RLC)エンティティと、を有し、
前記RLCエンティティは、
前記PDCPエンティティからデータブロックを受信し、
前記PDCPエンティティから前記データブロックの削除に関連する情報を受信し、
前記情報に従って前記データブロックを削除するよう構成され、
前記削除に関連する情報は、前記データブロックの削除を示す、または、前記データブロックの削除を指示するのに用いられる、装置。 - 前記データブロックは、無線リンク制御(RLC)サービスデータユニット(SDU)である、請求項7に記載の装置。
- 前記RLCエンティティは、確認モード(AM)または非確認モード(UM)で動作する、請求項7に記載の装置。
- 前記削除に関連する情報は、前記PDCPエンティティにおいて前記データブロックが削除されたことを示す、または、前記データブロックの削除を前記RLCエンティティに指示する、請求項7に記載の装置。
- 前記PDCPエンティティは、一定の時間が経過した場合、前記PDCPエンティティに存在する前記データブロックを削除するよう構成される、請求項7に記載の装置。
- 前記PDCPエンティティは、前記データブロックが既に前記PDCPエンティティから前記RLCエンティティに伝達されている場合、前記データブロックの削除に関連する情報を前記RLCエンティティに伝達するようさらに構成される、請求項11に記載の装置。
Applications Claiming Priority (8)
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US97344207P | 2007-09-18 | 2007-09-18 | |
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US98330407P | 2007-10-29 | 2007-10-29 | |
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KR1020080091192A KR101513033B1 (ko) | 2007-09-18 | 2008-09-17 | 다중 계층 구조에서 QoS를 보장하기 위한 방법 |
KR10-2008-0091192 | 2008-09-17 |
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JP2010519877A Division JP5038499B2 (ja) | 2007-09-18 | 2008-09-18 | マルチレイヤ構造でQoSを保証するための方法 |
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JP2012235493A JP2012235493A (ja) | 2012-11-29 |
JP5363623B2 true JP5363623B2 (ja) | 2013-12-11 |
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JP2010519877A Active JP5038499B2 (ja) | 2007-09-18 | 2008-09-18 | マルチレイヤ構造でQoSを保証するための方法 |
JP2012151205A Active JP5363623B2 (ja) | 2007-09-18 | 2012-07-05 | マルチレイヤ構造でQoSを保証するための方法 |
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US (6) | US8625503B2 (ja) |
EP (3) | EP2838222B1 (ja) |
JP (2) | JP5038499B2 (ja) |
KR (1) | KR101513033B1 (ja) |
CN (2) | CN101809948B (ja) |
BR (1) | BRPI0816827B1 (ja) |
ES (1) | ES2565687T3 (ja) |
MX (1) | MX2009013807A (ja) |
WO (1) | WO2009038365A2 (ja) |
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