JP2011508561A - 無線通信システムにおけるランダムアクセス実行方法 - Google Patents
無線通信システムにおけるランダムアクセス実行方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
【解決手段】前記方法は、端末のMAC(medium access control)階層でランダムアクセス過程を開始し、前記開始段階は、衝突解決タイマを開始することを含み、及びアップリンクグラントを含んで前記端末のC−RNTI(cell−radio network temporary identity)によって指示されるPDCCH(physical downlink control channel)送信を前記基地局から受信することによって、前記衝突解決タイマを中止して前記ランダムアクセス過程が成功的に完了したことを決定することを含む。
【選択図】図8
Description
Claims (15)
- 端末と基地局との間に競合解決を実行する方法において、
端末のMAC(medium access control)階層でランダムアクセス過程を開始し、前記開始段階は、衝突解決タイマを開始することを含み、及び
アップリンクグラントを含んで前記端末のC−RNTI(cell−radio network temporary identity)によって指示されるPDCCH(physical downlink control channel)送信を前記基地局から受信することによって、前記衝突解決タイマを中止して前記ランダムアクセス過程が成功的に完了したことを決定することを含む方法。 - 前記アップリンクグラントを含まなく、前記C−RNTIによって指示されるPDCCH送信を受信することによって、前記衝突解決タイマを中止しないことをさらに含む請求項1に記載の方法。
- 前記アップリンクグラントを含まなく、前記C−RNTIによって指示されるPDCCH送信を受信することによって、前記ランダムアクセス過程が成功的に完了したことを決定しないことをさらに含む請求項1に記載の方法。
- ランダムアクセスプリアンブルを前記基地局に送信して、及び前記基地局からランダムアクセス応答を受信することをさらに含む請求項1に記載の方法。
- 前記端末のMAC階層でランダムアクセス過程を開始する段階は、前記端末から前記基地局にスケジューリングメッセージを送信することを含む請求項1に記載の方法。
- 前記スケジューリングメッセージを送信する段階は、アップリンク無線リソースを要求するバッファ状態報告を送信することを含む請求項5に記載の方法。
- 前記バッファ状態報告は、前記端末のバッファ内にデータの送信が待機中であることを指示する請求項6に記載の方法。
- 前記バッファ状態報告は、前記端末のセル識別子を含む請求項6に記載の方法。
- ディスプレー部;
送受信機;及び
前記ディスプレー部及び前記送受信機と動作可能に接続されて、衝突解決タイマを含むプロセッサを含み、前記プロセッサは、
端末のMAC(medium access control)階層でランダムアクセス過程を開始し、前記ランダムアクセス過程は、前記衝突解決タイマを開始することを含み、及び
アップリンクグラントを含んで前記端末のC−RNTI(cell−radio network temporary identity)によって指示されるPDCCH(physical downlink control channel)送信を前記基地局から受信することによって、前記衝突解決タイマを中止して前記ランダムアクセス過程が成功的に完了したことを決定する端末。 - 前記プロセッサは、ランダムアクセスプリアンブルを前記基地局に送信して、及び前記基地局からランダムアクセス応答を受信する請求項9に記載の端末。
- 前記プロセッサは、前記ランダムアクセス過程が開始される時、前記基地局にスケジューリングメッセージを送信する請求項9に記載の端末。
- 前記プロセッサは、前記基地局にスケジューリングメッセージを送信することによって前記ランダムアクセス過程を開始する請求項9に記載の端末。
- バッファをさらに含み、前記プロセッサは、前記スケジューリングメッセージとしてアップリンク無線リソースを要求するバッファ状態報告を送信することによって前記ランダムアクセス過程を開始する請求項12に記載の端末。
- 前記バッファ状態報告は、前記バッファ内にデータの送信が待機中であることを指示する請求項13に記載の端末。
- 前記バッファ状態報告は、前記端末のセル識別子を含む請求項13に記載の端末。
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US3106508P | 2008-02-25 | 2008-02-25 | |
US61/031,065 | 2008-02-25 | ||
KR20080023808 | 2008-03-14 | ||
KR10-2008-0023808 | 2008-03-14 | ||
PCT/KR2009/000827 WO2009107947A1 (en) | 2008-02-25 | 2009-02-20 | Method of performing random access procedure in wireless communication system |
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JP2011508561A true JP2011508561A (ja) | 2011-03-10 |
JP2011508561A5 JP2011508561A5 (ja) | 2012-10-04 |
JP5129863B2 JP5129863B2 (ja) | 2013-01-30 |
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US (4) | US8837438B2 (ja) |
EP (1) | EP2094054B1 (ja) |
JP (1) | JP5129863B2 (ja) |
KR (1) | KR101151143B1 (ja) |
CN (1) | CN101946424B (ja) |
WO (1) | WO2009107947A1 (ja) |
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US10117273B2 (en) | 2013-09-24 | 2018-10-30 | Lg Electronics Inc. | Communication between MAC and PHY for parallel random access procedures of dual connectivity |
US10555344B2 (en) | 2013-09-24 | 2020-02-04 | Lg Electronics Inc. | MAC layer communication for parallel random access procedures of dual connectivity |
US10798744B2 (en) | 2013-09-24 | 2020-10-06 | Lg Electronics Inc. | Communication between MAC and PHY for parallel random access procedures of dual connectivity |
KR102229981B1 (ko) | 2013-09-24 | 2021-03-19 | 엘지전자 주식회사 | 이중 접속의 병렬 랜덤 액세스 절차를 위한 mac 계층 및 phy 계층 사이의 통신 |
US11129206B2 (en) | 2013-09-24 | 2021-09-21 | Lg Electronics Inc. | MAC layer communication for parallel random access procedures of dual connectivity |
US11153911B2 (en) | 2013-09-24 | 2021-10-19 | Lg Electronics Inc. | Communication between MAC and PHY for parallel random access procedures of dual connectivity |
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EP2094054A3 (en) | 2013-11-20 |
EP2094054B1 (en) | 2017-11-08 |
US20160234866A1 (en) | 2016-08-11 |
EP2094054A2 (en) | 2009-08-26 |
US20130201949A1 (en) | 2013-08-08 |
US8971349B2 (en) | 2015-03-03 |
CN101946424A (zh) | 2011-01-12 |
KR101151143B1 (ko) | 2012-06-01 |
US9338800B2 (en) | 2016-05-10 |
US20090213818A1 (en) | 2009-08-27 |
WO2009107947A1 (en) | 2009-09-03 |
US20150131633A1 (en) | 2015-05-14 |
US9844078B2 (en) | 2017-12-12 |
JP5129863B2 (ja) | 2013-01-30 |
US8837438B2 (en) | 2014-09-16 |
KR20100089876A (ko) | 2010-08-12 |
CN101946424B (zh) | 2013-08-28 |
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