JP2006166479A - 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 - Google Patents
無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 Download PDFInfo
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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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
- 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
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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
- H04L1/189—Transmission or retransmission of more than one copy of a message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0242—Determining whether packet losses are due to overload or to deterioration of radio communication conditions
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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
Abstract
【解決手段】メディアアクセス制御(MAC)構成がデータブロック再送のための送信待ち時間を短縮する。複数のデータブロックが受信され、一時的に第1のメモリ(815B)(例えば、待ち行列、バッファ)に格納される。その後、複数のデータブロックは送信される。送信された各データブロックの受信が成功したか、またはデータブロックの受信が成功しなかったために再送が必要かについて、判定が行われる。送信されたデータブロックのうち再送が必要な各データブロックには標識が付けられ、第1のメモリ(815B)よりも高い優先順位をもつ第2のメモリ(815A)に格納される。標識付きのデータブロックは、第1のメモリ(815B)位置に格納されたデータブロックを送信する前に再送される。
【選択図】図8
Description
104 ノードB
106 UE(ユーザ機器(User Equipment))
805 PDU(プロトコルデータユニット(protocol data unit))
810 優先順位付けエンティティ
815A、815B 待ち行列
820 DSCH送信スケジューラ
Claims (7)
- 無線通信システムにおいてデータを伝送するための方法であって、
(a)複数のデータブロックを受信して第1のメモリに一時的に格納すること、
(b)前記複数のデータブロックを送信すること、
(c)前記送信された各データブロックの受信が成功したか、または前記データブロックの受信が成功しなかったため再送が必要かを判定すること、
(d)前記送信されたデータブロックのうち再送が必要な各データブロックに標識を付けること、
(e)前記標識付けされたデータブロックを前記第1のメモリより高い優先順位をもつ第2のメモリに一時的に格納すること、および、
(f)前記第2のメモリに格納された前記標識付けされたデータブロックを、前記第1のメモリに格納されたデータブロックを送信するより先に送信すること
を含むことを特徴とする方法。 - 前記データブロックは、高速ダウンリンク共有チャネル(high speed downlink shared channel)を介して送信されることを特徴とする請求項1に記載の方法。
- 前記データブロックの少なくとも1つが、複数の多重化されたプロトコルデータユニット(PDU)を含むことを特徴とする請求項1に記載の方法。
- 各データブロックが、プロトコルデータユニット(PDU)であることを特徴とする請求項1に記載の方法。
- さらに、(g)一意の送信シーケンス番号(TSN)を前記データブロック毎に割り当てることを含むことを特徴とする請求項1に記載の方法。
- さらに、(g)前記データブロック毎の所要送信待ち時間に基づいて優先順位を割り当てることを含むことを特徴とする請求項1に記載の方法。
- 標識付けされた各データブロックは共通チャネル優先順位インジケータ(CmCH−Pi)を含んでおり、さらに、
(g)前記標識付けされたデータブロックの前記CmCH−Piを読み取り、前記CmCH−Piに基づいて、複数のメモリのうちどれに前記標識付けされたデータブロックを格納するかを決定することを含むことを特徴とする請求項1に記載の方法。
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JP2006006267A Expired - Lifetime JP4686365B2 (ja) | 2002-05-10 | 2006-01-13 | 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 |
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JP2012000626A Pending JP2012105332A (ja) | 2002-05-10 | 2012-01-05 | 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 |
JP2012000625A Pending JP2012105331A (ja) | 2002-05-10 | 2012-01-05 | 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 |
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JP2012000625A Pending JP2012105331A (ja) | 2002-05-10 | 2012-01-05 | 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 |
JP2013212140A Pending JP2014045492A (ja) | 2002-05-10 | 2013-10-09 | 無線リンク制御における再送を支援する目的でプロトコルデータユニットの再送の優先順位を上げるためのシステムおよび方法 |
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EP (2) | EP1527540B1 (ja) |
JP (6) | JP4058041B2 (ja) |
KR (12) | KR100945766B1 (ja) |
CN (4) | CN101267288A (ja) |
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