JP4881953B2 - 無線インターフェース上でランダムアクセス手順を実行する技術 - Google Patents
無線インターフェース上でランダムアクセス手順を実行する技術 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims description 143
- 230000004044 response Effects 0.000 claims description 29
- 238000004590 computer program Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 238000013468 resource allocation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
-
- 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
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2681—Synchronisation of a mobile station with one base station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
- H04W74/0891—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access for synchronized access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0605—Special codes used as synchronising signal
Description
Claims (15)
- 携帯端末から無線基地局へのアップリンク上でランダムアクセス手順を実行する方法であって、前記携帯端末内で、
前記アップリンクの伝送タイミングの調整値を示す同期情報を要求する同期要求を伝送するステップと、
前記同期要求に応じた前記同期情報を受信するステップと、
データ伝送資源についての資源要求を伝送するステップと、
前記同期情報の受信に応じて同期タイマーを開始するステップと、
前記資源要求に応じた資源情報を受信するステップと、
前記資源情報に従って資源を利用してデータを伝送するステップと、
を含み、
前記同期タイマーの終了までの前記アップリンク上の前記データの伝送タイミングは、前記同期情報に従って調整され、
前記同期タイマーの終了後に、あらゆるデータ伝送よりも前に再同期が要求される、
方法。 - 更なるデータが伝送される場合、少なくとも1つの更なる資源要求を伝送するステップを含む、請求項1に記載の方法。
- 前記同期タイマーは、前記同期情報の予測される妥当性に従って設定される、請求項1または2に記載の方法。
- 前記同期タイマーは、前記携帯端末の測定された速度に従って設定される、請求項1〜3のいずれか1項に記載の方法。
- 同期を保つために少なくとも1つのping信号を伝送するステップを更に含む、請求項1〜4のいずれか1項に記載の方法。
- 前記ping信号は、シグナリングデータを含む、請求項5に記載の方法。
- 前記ping信号は、前記同期タイマーの終了時に伝送される、請求項5または6に記載の方法。
- 前記ping信号は、前記アップリンク上で受信されるポーリング要求に応じて伝送される、請求項5〜7のいずれか1項に記載の方法。
- 携帯端末から無線基地局へのアップリンク上でランダムアクセス手順を実行する方法であって、前記無線基地局内で、
前記アップリンクの伝送タイミングの調整値を示す同期情報を要求する同期要求を受信するステップと、
前記同期要求に基づいて、前記同期情報を伝送するステップと、
データ伝送資源についての資源要求を受信するステップと、
前記同期要求の受信または前記資源要求の受信のうちの少なくとも1つに応じて、同期タイマーを開始するステップと、
前記資源要求に応じた資源情報を伝送するステップと、
前記資源情報に従って、資源をスケジューリングするステップと、
を含み、
前記同期タイマーの終了までの前記アップリンク上のスケジューリングされた前記資源を利用したデータの伝送タイミングは、前記同期情報に従って調整され、
前記同期タイマーの終了後に、あらゆるデータ伝送よりも前に再同期が要求される、
方法。 - 少なくとも1つの更なる資源要求を受信するステップを含む、請求項9に記載の方法。
- 前記同期タイマーの終了時にping信号についての要求を伝送するステップを含む、請求項9または10に記載の方法。
- 1以上のコンピュータデバイスで実行されたときに請求項1〜11のいずれか1項に記載のステップを実行するためのプログラムコード部分を含む、コンピュータプログラム。
- コンピュータ読み取り可能な記憶媒体に格納された、請求項12に記載のコンピュータプログラム。
- 携帯端末から無線基地局へのアップリンク上でランダムアクセス手順を実行するように適応された携帯端末であって、
前記アップリンクの伝送タイミングの調整値を示す同期情報を要求する同期要求を伝送するように適応された同期要求構成要素と、
前記同期要求に応じた前記同期情報を受信するように適応された同期応答構成要素と、
データ伝送資源についての資源要求を伝送するように適応された伝送制御構成要素と、
前記同期情報の受信に応じて同期タイマーを開始するように適応されたタイマー構成要素と、
を備え、
前記伝送制御構成要素は、前記資源要求に応じて受信される資源情報に従った資源を利用してデータを伝送し、
前記同期タイマーの終了までの前記アップリンク上の前記データの伝送タイミングは、前記同期情報に従って調整され、
前記同期タイマーの終了後に、あらゆるデータ伝送よりも前に再同期が要求される、
携帯端末。 - 携帯端末から無線基地局へのアップリンク上でランダムアクセス手順を実行するように適応された無線基地局であって、
前記アップリンクの伝送タイミングの調整値を示す同期情報を要求する同期要求を受信するように適応された同期要求構成要素と、
前記同期要求に基づいて、前記同期情報を伝送するように適応された同期応答構成要素と、
データ伝送資源についての資源要求を受信するように適応された資源スケジューリング構成要素と、
前記同期要求の受信または前記資源要求の受信のうちの少なくとも1つに応じて、同期タイマーを開始するように適応されたタイマー構成要素と、
を備え、
前記資源スケジューリング構成要素は、前記資源要求に応じて伝送される資源情報に従って、資源をスケジューリングし、
前記同期タイマーの終了までの前記アップリンク上のスケジューリングされた前記資源を利用したデータの伝送タイミングは、前記同期情報に従って調整され、
前記同期タイマーの終了後に、あらゆるデータ伝送よりも前に再同期が要求される、
無線基地局。
Applications Claiming Priority (3)
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SE0502349-4 | 2005-10-21 | ||
SE0502349 | 2005-10-21 | ||
PCT/EP2006/010163 WO2007045505A1 (en) | 2005-10-21 | 2006-10-20 | Technique for performing a random access procedure over a radio interface |
Publications (3)
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JP2009513044A JP2009513044A (ja) | 2009-03-26 |
JP2009513044A5 JP2009513044A5 (ja) | 2011-10-13 |
JP4881953B2 true JP4881953B2 (ja) | 2012-02-22 |
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Country Status (15)
Country | Link |
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US (6) | US8503426B2 (ja) |
EP (5) | EP2688227B1 (ja) |
JP (1) | JP4881953B2 (ja) |
CN (1) | CN101292448B (ja) |
BR (1) | BRPI0617648B8 (ja) |
DE (2) | DE202006021308U1 (ja) |
DK (1) | DK3119141T3 (ja) |
ES (3) | ES2443117T3 (ja) |
HU (2) | HUE039323T2 (ja) |
MY (1) | MY154513A (ja) |
PL (3) | PL3119141T3 (ja) |
PT (2) | PT1952560E (ja) |
RU (1) | RU2413365C2 (ja) |
WO (1) | WO2007045505A1 (ja) |
ZA (1) | ZA200803371B (ja) |
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