JP5285167B2 - 無線通信システムにおいてアップリンク同期化を遂行する方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
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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
- H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Telephone Function (AREA)
Description
本発明は、例えば、以下も提供する。
(項目1)
無線通信システムにおいてアップリンク同期化を遂行する方法において、
ランダムアクセスプリアンブルの集合から任意に選択されたランダムアクセスプリアンブルを伝送して;
前記ランダムアクセスプリアンブルに対応するランダムアクセスプリアンブル識別子とアップリンク同期化のための時間補正値(time alignment value)とを含むランダムアクセス応答を受信して;
前記時間補正値を適用した後に時間同期タイマ(time alignment timer)を開始して;
前記ランダムアクセス応答を受信した後に競合解決タイマを開始し、前記競合解決タイマが満了する時、競合解決が成功していないことであり;及び、
前記競合解決タイマが満了する時、前記時間同期タイマを中断することを含む方法。
(項目2)
固有識別子を含むスケジューリングされたメッセージを伝送して;及び、
前記固有識別子に対応する競合解決識別子を含む競合解決メッセージを受信する時、競合解決タイマを中断することをさらに含む項目1に記載の方法。
(項目3)
前記競合解決タイマは、前記スケジューリングされたメッセージを伝送する時開始される項目2に記載の方法。
(項目4)
前記ランダムアクセス応答は、アップリンク無線資源割当をさらに含み、前記スケジューリングされたメッセージは、前記アップリンク無線資源割当を介して伝送される項目2に記載の方法。
(項目5)
無線通信システムにおいてアップリンク同期化を遂行する方法において、
ランダムアクセスプリアンブルの集合から任意に選択されたランダムアクセスプリアンブルを伝送して;
前記ランダムアクセスプリアンブルに対応するランダムアクセスプリアンブルを含むランダムアクセス応答を受信して;
前記ランダムアクセス応答を受信した後に時間同期タイマを開始して;及び、
競合解決が成功していないと、前記時間同期タイマを中断することを含む方法。
(項目6)
前記ランダムアクセス応答を介して受信されるアップリンク同期化のための時間同期値を処理することをさらに含む項目5に記載の方法。
(項目7)
前記競合解決は、競合解決タイマが満了すると成功していないことである項目5に記載の方法。
(項目8)
前記競合解決タイマは、前記ランダムアクセス応答を受信した後に開始される項目7に記載の方法。
(項目9)
前記ランダムアクセス応答を受信した後に固有識別子を含むスケジューリングされたメッセージを伝送することをさらに含む項目5に記載の方法。
(項目10)
前記競合解決は、前記固有識別子に対応する競合解決識別子を含む競合解決メッセージが受信されないと成功していないことである項目9に記載の方法。
(項目11)
前記スケジューリングされたメッセージを伝送する時、競合解決タイマを開始し、前記競合解決タイマが満了する時まで前記競合解決メッセージが受信されないと前記競合解決は成功していないことである項目10に記載の方法。
(項目12)
前記スケジューリングされたタイマを伝送する時、競合解決タイマを開始し、前記競合解決タイマが満了する前に、前記ランダムアクセス応答に含まれる臨時C-RNTIにより
アドレスされたPDCCHにより指示される競合解決メッセージが、前記固有識別子に対応されない競合解決識別子を含む時、前記競合解決は成功していないことである項目10に記載の方法。
暗号化(Ciphering)及び無欠保護(Integrity Protection)。
ンク失敗(Radio Link Failure)によるセルの再探索を遂行する時、競合基盤ランダムアクセス過程を始める場合である。
20 基地局
51 プロセッサ
51 メモリ
53 RF部
54 ディスプレー部
55 使用者インターフェース部
Claims (9)
- 無線通信システムにおいてアップリンク同期化を遂行する方法であって、
前記方法は、使用者機器(UE)によって実行され、
前記方法は、
前記UEからネットワークにランダムアクセスプリアンブルを伝送することと、
前記UEにおいて前記ネットワークから、臨時UE識別子と、前記ネットワークとのアップリンク同期化のための時間補正値とを含むランダムアクセス応答を受信することと、
前記時間補正値を受信したことに応答して、前記UEにおいて、第1タイマを開始することと、
前記ランダムアクセス応答を受信した後に、前記UEにおいて、第2タイマを開始することと、
前記UEにより、競合解決が成功しているかどうかを決定することであって、前記第2タイマが満了する場合に前記競合解決は成功していない、ことと、
前記競合解決が成功していない場合に、前記UEにおいて、前記第1タイマを中断することと
を含む、方法。 - 前記第1タイマは、時間同期タイマである、請求項1に記載の方法。
- 前記第2タイマは、競合解決タイマである、請求項1に記載の方法。
- 前記UEにより、固有識別子を含むスケジューリングされたメッセージを伝送することと、
前記固有識別子に関連する競合解決識別子を含む競合解決メッセージを受信したときに、前記UEにおいて、前記第2タイマを中断することと
をさらに含む、請求項1に記載の方法。 - 前記スケジューリングされたメッセージが前記UEから伝送されると、前記第2タイマが開始される、請求項4に記載の方法。
- 前記ランダムアクセス応答は、アップリンク無線資源割当をさらに含み、前記スケジューリングされたメッセージは、前記アップリンク無線資源割当において伝送される、請求項4に記載の方法。
- 前記UEは、前記競合解決識別子が前記固有識別子と一致する場合に前記競合解決が成功していると決定する、請求項4に記載の方法。
- 前記臨時UE識別子は、臨時C−RNTI(Cell−Radio Network Temporary Identifier)である、請求項1に記載の方法。
- 無線通信システムにおいてアップリンク同期化を遂行する使用者機器(UE)であって、
前記UEは、RF(Radio Frequency)部を備え、
前記RF部は、
ネットワークにランダムアクセスプリアンブルを伝送することと、
前記ネットワークから、臨時UE識別子と、前記ネットワークとのアップリンク同期化のための時間補正値とを含むランダムアクセス応答を受信することと、
前記時間補正値を受信したことに応答して、前記UEにおいて、第1タイマを開始することと、
前記ランダムアクセス応答を受信した後に、前記UEにおいて、第2タイマを開始することと、
競合解決が成功しているかどうかを決定することであって、前記第2タイマが満了する場合に前記競合解決は成功していない、ことと、
前記競合解決が成功していない場合に、前記UEにおいて、前記第1タイマを中断することと
を実行するように構成されている、UE。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US94478507P | 2007-06-18 | 2007-06-18 | |
US60/944,785 | 2007-06-18 | ||
KR1020080023809A KR101473005B1 (ko) | 2008-03-14 | 2008-03-14 | 무선통신 시스템에서 상향링크 동기화를 수행하는 방법 |
KR10-2008-0023809 | 2008-03-14 |
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JP2009545505A Division JP5027251B2 (ja) | 2007-06-18 | 2008-06-18 | 無線通信システムにおいてアップリンク同期化を遂行する方法 |
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JP2012213167A JP2012213167A (ja) | 2012-11-01 |
JP5285167B2 true JP5285167B2 (ja) | 2013-09-11 |
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JP2012110474A Active JP5285167B2 (ja) | 2007-06-18 | 2012-05-14 | 無線通信システムにおいてアップリンク同期化を遂行する方法 |
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US (4) | US8107456B2 (ja) |
EP (2) | EP2015478B1 (ja) |
JP (2) | JP5027251B2 (ja) |
BR (1) | BRPI0806512B1 (ja) |
ES (2) | ES2428569T3 (ja) |
GB (2) | GB2457852B (ja) |
HU (1) | HUE033683T2 (ja) |
TW (1) | TWI373933B (ja) |
WO (1) | WO2008156276A2 (ja) |
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