JP6760967B2 - リッスンビフォアトークシステムにおけるハイブリッド自動再送要求(harq) - Google Patents
リッスンビフォアトークシステムにおけるハイブリッド自動再送要求(harq) Download PDFInfo
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- 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
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission 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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1832—Details of sliding window management
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- 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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- H04L1/187—Details of sliding window management
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- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
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- H04L1/0058—Block-coded modulation
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- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/0061—Error detection codes
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- 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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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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Description
この特許出願は、米国仮特許出願第62/161443号(2015年5月14日出願)に基づく優先権、及びそれに基づく早い出願日の享有を主張し、その全体の内容が参照により本明細書に組み込まれる。
Claims (17)
- 競合無線技術を含む無線周波数(RF)帯域で動作するロングタームエボリューション(Long Term Evolution:LTE)通信で動作可能な方法であって、
eNodeBにおいてユーザ機器(UE)からのデータのトランスポートブロックを処理し、前記トランスポートブロックは巡回冗長検査(CRC)を含み、
前記eNodeBにおける前記CRCに基づいて前記トランスポートブロックのチェックサムを判定し、
前記チェックサムに失敗し、
前記eNodeBから前記UEに、前記失敗したチェックサムに基づいた前記トランスポートブロックの非確認(NACK)を送信し、
前記UEが前記NACKを受信したことに応じて、前記UEにおけるコンテンションウィンドウを増加させ、
前記UEから前記eNodeBに前記トランスポートブロックを再送信すること
を含み、
前記トランスポートブロックは誤り訂正コード(ECC)をさらに含み、
前記方法は、前記eNodeBにおいて、
前記トランスポートブロックをバッファに格納し、
前記ECCを用いて前記トランスポートブロックの誤りを訂正し、
前記誤りを訂正することに応じて、前記トランスポートブロックの成功した受信の確認(ACK)を前記UEに送信すること
をさらに含む記載の方法。 - 前記UEにおいて、
前記増加させたコンテンションウィンドウ内で前記ACKを受信し、
前記ACKを受信したことに応じて前記コンテンションウィンドウを元のサイズにリセットすること
をさらに含む請求項1に記載の方法。 - 前記NACKを送信することは、前記NACKをショート制御信号(Short Control Signal:SCS)で前記UEに送信するように構成することをさらに含む請求項1に記載の方法。
- 前記eNodeBにおいて前記UEからデータの他のトランスポートブロックを受信し、前記他のトランスポートブロックは他の巡回冗長検査(CRC)を含み、
前記eNodeBにおいて前記CRCに基づいて前記トランスポートブロックのチェックサムを判定し、
前記チェックサムを通過し、
前記eNodeBから前記UEに、前記他のトランスポートブロックの成功した受信の確認(ACK)を送信すること
をさらに含む請求項1に記載の方法。 - 前記ACKはハイブリッド自動再送要求(HARQ)ACKである請求項1に記載の方法。
- 前記RF帯域はWiFi帯域である請求項1に記載の方法。
- 競合無線技術を含む無線周波数(RF)帯域で動作するロングタームエボリューション(Long Term Evolution:LTE)通信で動作可能なシステムであって、
eNodeBと、
ユーザ機器(UE)と、
前記eNodeBは前記UEからのデータのトランスポートブロックを処理するように動作可能であり、前記トランスポートブロックは巡回冗長検査(CRC)を含み、前記eNodeBは、前記CRCに基づいて前記トランスポートブロックのチェックサムを判定し、前記チェックサムに失敗し、及び前記失敗したチェックサムに基づいて前記トランスポートブロックの非確認(NACK)を前記UEに送信するようにさらに動作可能であり、
前記UEは、前記NACKを受信し、コンテンションウィンドウを増加させ、前記トランスポートブロックをeNodeBに再送信するように動作可能であり、
トランスポートブロックは、誤り訂正コード(ECC)をさらに含み、
前記eNodeBは、前記トランスポートブロックをバッファに格納し、前記ECCを使用して前記トランスポートブロックの誤りを訂正し、前記誤りを訂正することに応じて前記トランスポートブロックの成功した受信の確認(ACK)を前記UEに送信するようにさらに動作可能である
通信システム。 - 前記UEは、前記増加させたコンテンションウィンドウ内でACKを受信し、前記ACKを受信したことに応じて前記コンテンションウィンドウを元のサイズにリセットするようにさらに動作可能である請求項7に記載の通信システム。
- 前記eNodeBは、前記NACKをショート制御信号(SCS)も構成することによって前記UEに送信するようにさらに動作可能である請求項7に記載の通信システム。
- 前記eNodeBは、前記UEからデータの他のトランスポートブロックを受信するようにさらに操作可能であり、前記他のトランスポートブロックは別の巡回冗長検査(CRC)を含み、前記eNodeBは、前記CRCに基づいて前記他のトランスポートブロックのチェックサムを判定し、チェックサムを通過し、前記他のトランスポートブロックの成功した受信の確認(ACK)を前記UEに送信するようにさらに動作可能である請求項7に記載の通信システム。
- 前記ACKは、ハイブリッド自動再送要求(HARQ)ACKである請求項7に記載の通信システム。
- 前記RF帯域はWiFi帯域である請求項7に記載の通信システム。
- 命令を含む非一時的コンピュータ可読媒体であって、競合無線技術を含む無線周波数(RF)帯域で動作するロングタームエボリューション(LTE)通信を使用するeNodeBのプロセッサによって実行されるときに、前記命令はプロセッサに、
ユーザ機器(UE)からのデータのトランスポートブロックを処理し、前記トランスポートブロックは巡回冗長検査(CRC)を含み、
前記CRCに基づいて前記トランスポートブロックのチェックサムを判定し、
前記チェックサムに失敗し、
コンテンションウィンドウを増加させ、前記トランスポートブロックを前記eNodeBに再送信するように前記UEに指示する前記失敗したチェックサムに基づいて前記トランスポートブロックの非確認(NACK)を前記UEに送信すること
を指示し、
前記トランスポートブロックは、誤り訂正コード(ECC)をさらに含み、
前記命令は、前記トランスポートブロックをバッファに格納し、前記ECCを使用して前記トランスポートブロックの誤りを訂正し、前記誤りを訂正することに応じてトランスポートブロックの成功した受信の確認(ACK)を送信するようプロセッサにさらに指示するコンピュータ可読媒体。 - 前記UEは、前記増加させたコンテンションウィンドウ内で前記ACKを受信し、前記ACKを受信したことに応じて前記コンテンションウィンドウを元のサイズにリセットするようにさらに動作可能である請求項13に記載のコンピュータ可読媒体。
- 前記命令は、前記プロセッサに、前記NACKを前記UEへのショート制御信号(SCS)で構成することをさらに指示する請求項13に記載のコンピュータ可読媒体。
- 前記命令は、前記プロセッサに、
前記eNodeBにおいて前記UEから他のトランスポートブロックのデータを受信し、前記他のトランスポートブロックは他の巡回冗長検査(CRC)を含み、
前記eNodeBにおいて前記CRCに基づいて前記他のトランスポートブロックのチェックサムを判定し、
前記チェックサムを通過し、
前記トランスポートブロックの成功した受信の確認(ACK)を前記UEに送信すること
をさらに含む請求項13に記載のコンピュータ可読媒体。 - 前記ACKは、ハイブリッド自動再送要求(HARQ)ACKである請求項13に記載のコンピュータ可読媒体。
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US201562161443P | 2015-05-14 | 2015-05-14 | |
US62/161,443 | 2015-05-14 | ||
PCT/US2016/032569 WO2016183533A1 (en) | 2015-05-14 | 2016-05-14 | Hybrid automatic repeat request (harq) in listen before talk systems |
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JP (1) | JP6760967B2 (ja) |
KR (1) | KR20180008462A (ja) |
CN (1) | CN107534896B (ja) |
CA (1) | CA2984453C (ja) |
WO (1) | WO2016183533A1 (ja) |
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