JP2010539783A - 無線通信システムにおける無線リソース割当方法 - Google Patents
無線通信システムにおける無線リソース割当方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
-
- 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
- H04L1/1835—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
- H04L1/188—Time-out mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0085—Timing of allocation when channel conditions change
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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Abstract
【選択図】図6
Description
図7の実施例をより一般的に説明すると、次の通りである。すなわち、ユーザー端末は、ユーザー端末のバッファ状態を指示する第1BSRを基地局に伝送する。第1BSRの伝送に成功した後、既に設定された所定時間が経過するまで上りリンクデータの伝送のための無線リソースの割当を指示する割当情報を受信できなかった場合、ユーザー端末は、第2BSRの伝送手順をトリガーする。この時、第2BSRの伝送手順は、RACH手順またはSRチャネルの伝送手順を通じて行われることができる。ユーザー端末に周期的にSRチャネルが設定された場合、このユーザー端末は、RACHプリアンブル伝送のための無線リソースとSRチャネル用無線リソースのうち、割当時点が早いものを用いてBSR伝送手順を行うことが好ましい。
Claims (10)
- 無線通信システムにおける無線リソース割当方法であって、
第1無線リソース割当要求モードにしたがって基地局に少なくとも1回上りリンクデータの伝送のための無線リソースの割当を要求し、
所定条件が満たされると、第2無線リソース割当要求モードにしたがって前記基地局に前記上りリンクデータの伝送のための前記無線リソースの割当を要求すること、
を含む、無線リソース割当方法。 - 前記第1無線リソース割当要求モードは、スケジュール要求チャネルを用いた無線リソース割当要求モードであることを特徴とする、請求項1に記載の無線リソース割当方法。
- 前記第2無線リソース割当要求モードは、ランダムアクセス手順を用いた無線リソース割当要求モードであることを特徴とする、請求項2に記載の無線リソース割当方法。
- 前記所定条件は、前記第1無線リソース割当要求モードにしたがって事前に設定された所定の回数だけ前記無線リソース割当を要求したにもかからわず、前記上りリンクデータ伝送のための無線リソースが割り当てられないときに満たされることを特徴とする、請求項1に記載の無線リソース割当方法。
- 前記所定条件は、前記第1無線リソース割当要求モードにしたがって前記無線リソース割当を要求した後、所定の時間の経過後にも前記上りリンクデータ伝送のための無線リソースが割り当てられないときに満たされることを特徴とする、請求項1に記載の無線リソース割当方法。
- 無線通信システムにおける無線リソース割当方法であって、
ユーザー端末のバッファ状態を指示する第1バッファ状態報告を基地局に伝送し、
前記第1バッファ状態報告の伝送後に、所定の時間が経過するまで上りリンクデータの伝送のための無線リソースの割当を指示する割当情報を受信できない場合に、第2バッファ状態報告の伝送手順をトリガーすること、
を含む、無線リソース割当方法。 - 前記割当情報は、前記上りリンクデータの初期伝送に関連した無線リソースを割り当てるための情報であることを特徴とする、請求項6に記載の無線リソース割当方法。
- 前記所定時間の経過を確認するためのタイマーは、前記基地局から前記第1バッファ状態報告に対する確認応答(ACK)を受信した時点から駆動されることを特徴とする、請求項6に記載の無線リソース割当方法。
- 前記トリガーすることは、
前記第2バッファ状態報告の伝送のための上りリンクチャネルリソースが割り当てられ、
前記上りリンクチャネルリソースを通じて前記第2バッファ状態報告を前記基地局に伝送すること、
を含むことを特徴とする、請求項6に記載の無線リソース割当方法。 - 前記第2バッファ状態報告の伝送のための前記上りリンクチャネルリソースが割り当てられるために、スケジューリング要求チャネルを伝送するか、または、ランダムアクセス手順を実行することを特徴とする、請求項9に記載の無線リソース割当方法。
Applications Claiming Priority (15)
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US97192107P | 2007-09-13 | 2007-09-13 | |
US60/971,921 | 2007-09-13 | ||
US97344207P | 2007-09-18 | 2007-09-18 | |
US60/973,442 | 2007-09-18 | ||
US97407207P | 2007-09-20 | 2007-09-20 | |
US60/974,072 | 2007-09-20 | ||
US97558207P | 2007-09-27 | 2007-09-27 | |
US60/975,582 | 2007-09-27 | ||
US97676607P | 2007-10-01 | 2007-10-01 | |
US60/976,766 | 2007-10-01 | ||
US3909508P | 2008-03-24 | 2008-03-24 | |
US61/039,095 | 2008-03-24 | ||
KR10-2008-0089719 | 2008-09-11 | ||
KR1020080089719A KR100937432B1 (ko) | 2007-09-13 | 2008-09-11 | 무선 통신 시스템에서의 무선자원 할당 방법 |
PCT/KR2008/005425 WO2009035301A2 (en) | 2007-09-13 | 2008-09-12 | Method of allocating radio resources in a wireless communication system |
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JP2012049342A Active JP4995994B2 (ja) | 2007-09-13 | 2012-03-06 | 無線通信システムにおける無線リソース割当方法 |
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US (1) | US8059597B2 (ja) |
EP (1) | EP2432290B1 (ja) |
JP (2) | JP4950338B2 (ja) |
CN (2) | CN103327536B (ja) |
AT (1) | ATE548880T1 (ja) |
ES (1) | ES2419804T3 (ja) |
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ATE548880T1 (de) | 2012-03-15 |
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CN103327536A (zh) | 2013-09-25 |
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