JP2004282108A5 - - Google Patents
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- JP2004282108A5 JP2004282108A5 JP2001357013A JP2001357013A JP2004282108A5 JP 2004282108 A5 JP2004282108 A5 JP 2004282108A5 JP 2001357013 A JP2001357013 A JP 2001357013A JP 2001357013 A JP2001357013 A JP 2001357013A JP 2004282108 A5 JP2004282108 A5 JP 2004282108A5
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- cell
- scheduling
- data flow
- packet
- user equipment
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Claims (10)
第1のセルのスケジューリングメカニズム(Sc)を第2のセルのスケジューリングメカニズムに結合するステップを有することを特徴とする、パケット交換セルラシステムにおけるデータフローのスケジューリング方法。In a packet switched cellular systems, especially have you in a packet-switched mobile communication system, a method for the scheduling a plurality of data flow services quality adjustment,
A method for scheduling data flows in a packet-switched cellular system, comprising the step of combining a scheduling mechanism (S c ) of a first cell with a scheduling mechanism of a second cell.
送信されるべき入データフローの各プロトコルデータユニット(PDU)は、あらかじめ規定可能な関連するサービス品質要求に関して、下位レイヤのスケジューラ(MACスケジューラ)によりサービスされるべき優先リストへ上位レイヤのスケジューラ(PDUスケジューラ)によってスケジューリングされることを特徴とする請求項1または2記載の方法。At least one of the scheduling mechanisms (S c , S t ) is ensured by linking at least two schedulers acting on different protocol layers,
Each protocol data unit of the incoming data flow to be transmitted (PDU), with respect to pre-definable associated quality of service requirements, the scheduler (PDU of the upper layer to the priority list to be serviced by the lower layer Scheduler (MAC scheduler) 3. The method according to claim 1 , wherein the scheduling is performed by a scheduler.
セルクラスタごとに単一のPDUスケジューラを使用するステップ、
セルごとに別個のPDUスケジューラを使用するステップ
のうちの一部または全部のステップを有することを特徴とする請求項3記載の方法。Routing layer 3 PDUs between at least two PDU schedulers;
Using a single PDU scheduler per cell cluster;
4. The method of claim 3, comprising some or all of the steps of using a separate PDU scheduler for each cell.
ハンドオーバコマンドメッセージをすべての関連するエンティティへ送信するステップ(3)、
ユーザ機器(MS)のデータフローについて、第1のセルのスケジューリング手続きを終了するステップ(4)、
ユーザ機器(MS)のデータフローについてのステータス情報を送信するステップ(5)、
ユーザ機器(MS)のデータフローについて、第2のセルのスケジューリング手続きを開始するステップ(6)を有することを特徴とする請求項1ないし4のいずれかに記載の方法。A measurement report containing information on the current quality of the radio link for the first cell, depending on the need to hand over the user equipment (MS) from the first cell to the second cell based on the reported measurement result Sending step (1),
Sending a handover command message to all relevant entities (3),
Ending the scheduling procedure of the first cell for the data flow of the user equipment (MS) (4),
Sending status information about the data flow of the user equipment (MS) (5),
5. A method according to any one of the preceding claims, comprising the step (6) of initiating a second cell scheduling procedure for the user equipment (MS) data flow.
第1のセルに関連する現在スケジューリングされているデータフローのすべてのPDUの最大タイムスタンプ値(max)を規定するステップ、
セル間補償のために使用されるのに適したタイムスタンプオフセット値(δ)を規定するステップ
のうちの一部または全部のステップを含む、ハンドオーバ中にタイムスタンプシフティングを行うステップを有することを特徴とする請求項1ないし6のいずれかに記載の方法。Defining a minimum timestamp value (min) for all PDUs of the currently scheduled data flow associated with the first cell;
Defining a maximum timestamp value (max) for all PDUs of the currently scheduled data flow associated with the first cell;
Having time stamp shifting during handover, including some or all of the steps of defining a time stamp offset value (δ) suitable for use for inter-cell compensation 7. A method according to any of claims 1 to 6, characterized in that
ハンドオーバの前にユーザ機器(MS)のデータフローをサービスするのに適応した第1のセルに関連する第1のスケジューリング手段(Sc)、
ハンドオーバの後にユーザ機器(MS)のデータフローをサービスするのに適応した第2のセルに関連する第2のスケジューリング手段(St)を有し、
各スケジューリング手段(Sc,St)は、セル境界を超えて結合されるように適応していて、第2のセルのスケジューリング手段(St)へハンドオーバされるべき実際のデータフローに関するステータス情報を転送することを特徴とする、パケット交換セルラシステム、特にパケット交換移動通信システム。In a packet-switched cellular system, particularly a packet-switched mobile communication system, having a function of scheduling a plurality of data flows for quality of service adjustment,
A first scheduling means (S c ) associated with a first cell adapted to service the user equipment (MS) data flow before handover,
Having a second scheduling means (S t ) associated with a second cell adapted to service the user equipment (MS) data flow after the handover;
Each scheduling means (S c , S t ) is adapted to be coupled across cell boundaries and status information regarding the actual data flow to be handed over to the scheduling means (S t ) of the second cell A packet-switched cellular system, in particular a packet-switched mobile communication system, characterized in that
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00310343A EP1209936A1 (en) | 2000-11-22 | 2000-11-22 | Method and system for UMTS packet transmission scheduling on shared downlink channels |
EP00310344A EP1209862A1 (en) | 2000-11-22 | 2000-11-22 | Method of linking two schedulers of a multi-layer network and a network comprising a transceiver having linking functionality for two schedulers |
EP01309269A EP1220490A1 (en) | 2000-11-22 | 2001-10-31 | Method and system for enhanced packet transmission in cellular networks |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004282108A JP2004282108A (en) | 2004-10-07 |
JP2004282108A5 true JP2004282108A5 (en) | 2005-07-14 |
JP3893050B2 JP3893050B2 (en) | 2007-03-14 |
Family
ID=33303447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001357013A Expired - Fee Related JP3893050B2 (en) | 2000-11-22 | 2001-11-22 | Data flow scheduling method in packet-switched cellular system |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3893050B2 (en) |
KR (1) | KR100445021B1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100592907B1 (en) * | 2003-12-22 | 2006-06-23 | 삼성전자주식회사 | Wireless internet terminal and method for transmitting packet to enhance QoS |
GB2425018A (en) * | 2005-04-04 | 2006-10-11 | Agilent Technologies Inc | Method of sharing measurement data |
KR100726172B1 (en) * | 2005-11-24 | 2007-06-11 | 한국전자통신연구원 | Ap of wireless communication system and scheduling method of broadcast information thereof |
KR100788688B1 (en) * | 2006-02-14 | 2007-12-26 | 삼성전자주식회사 | Method and apparatus for transmitting and receiving data stream for guaranteeing QOS |
JP2007295207A (en) * | 2006-04-24 | 2007-11-08 | Ntt Docomo Inc | Mobile communication system, and handover method |
US20090046577A1 (en) * | 2007-08-14 | 2009-02-19 | Motorola, Inc. | Resuming an interrupted flow of data packets |
JP5278892B2 (en) * | 2008-02-28 | 2013-09-04 | 独立行政法人情報通信研究機構 | Cognitive radio communication network system and cognitive communication method |
JP5299438B2 (en) * | 2009-01-09 | 2013-09-25 | 日本電気株式会社 | Gateway apparatus and method and system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI102654B (en) * | 1996-02-22 | 1999-01-15 | Nokia Mobile Phones Ltd | Method of replacing base station in a radio extension of the ATM network |
US6236656B1 (en) * | 1998-03-19 | 2001-05-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Link-efficiency based scheduling in radio data communications systems |
US6725038B1 (en) * | 1999-01-26 | 2004-04-20 | Nokia Corporation | Method and apparatus for speeding up AAL2 connection setup during handover in advanced cellular networks |
-
2001
- 2001-11-22 JP JP2001357013A patent/JP3893050B2/en not_active Expired - Fee Related
- 2001-11-22 KR KR10-2001-0073046A patent/KR100445021B1/en not_active IP Right Cessation
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