WO2002011473A1 - Procede de transmission de donnees en temps reel et reseau de radiocommunication mettant en oeuvre ce procede - Google Patents
Procede de transmission de donnees en temps reel et reseau de radiocommunication mettant en oeuvre ce procede Download PDFInfo
- Publication number
- WO2002011473A1 WO2002011473A1 PCT/FR2001/002351 FR0102351W WO0211473A1 WO 2002011473 A1 WO2002011473 A1 WO 2002011473A1 FR 0102351 W FR0102351 W FR 0102351W WO 0211473 A1 WO0211473 A1 WO 0211473A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- control
- blocks
- network
- signaling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Definitions
- the present invention relates to the field of communications management in cellular radiocommunication networks, in particular downlink transmissions to mobile stations or terminals forming part of these networks and uplink transmissions from said mobiles to said networks.
- the subject of the present invention is a method of transmitting data in real time in packets, more precisely a method of transmitting data in real time with fixed allocation of control blocks, and a cellular radiocommunication network implementing this method.
- uplink is used to denote a transmission or a transmission channel from one or more mobile terminals to the network (“uplink”) and the term “downlink” to denote a transmission or a transmission channel. transmission of the network (or of a base station thereof) to one or more mobiles affiliated with it (“downlink”).
- G.P.R.S. for "General Packet Radio Service”
- E.G.P.R.S. for "Enhanced General Packet Radio Service”
- G.E.R.A.N. for "GSM / EDGE / Radio Access Network”
- the signaling messages and the RLC user data blocks are multiplexed on the same physical resource in uplink and downlink transmission.
- a PT indicator present in the MAC header (for "Medium Access Control”: control of access to the transmission medium) of each block received is read to determine the type of said block, ie block of user data or signaling and / or control block.
- the present invention aims to overcome the aforementioned drawbacks and to propose a solution allowing the transmission of signaling messages without disturbing the real-time transmission.
- the present invention provides a method of transmitting data in real time, in packets, between a network and at least one mobile radiocommunication terminal, the transmission being carried out on a plurality of multiframes each comprising a given number of blocks, characterized in that it consists in dynamically allocating or assigning to the terminal or to each terminal considered, in uplink and / or downlink transmission (s), one or more specific block (s) for signaling and / or independently and separately control the blocks allocated for data transfer.
- provision may be made to operate a fixed allocation of blocks on a multiframe or a set of multiframes, for the entire duration of a communication (composed of several bidirectional transmissions between the terminal and network) or a given transmission sequence (part of a communication).
- the network can dynamically reallocate the specific block (s) allocated to signaling and / or control, during a communication or during a given transmission sequence of a communication.
- the allocation of control blocks associated with packet transmission consists in allocating a block by multiframe, identified by its number in this multiframe, in uplink and / or downlink transmission (s) on the same time interval ("timeslot”), or not, as the traffic channel.
- the allocation of one or more control blocks associated with the packet transmission is carried out by indicating a multiframe number and one or more number (s) of block (s) in this multiframe, in uplink and / or downlink transmission (s), over the same time interval, or not, as the traffic channel.
- an indicator or an identification field is provided in the control block, making it possible to know the transmitting or receiving mobile station of the different signaling blocks transmitted in a multiplexed manner on said channel, this in uplink and / or downlink transmission (s).
- the control blocks transmitted from the network to a given mobile terminal can, as a variant, integrate an identifier making it possible to know the mobile terminal receiving the block containing said signaling or control message. The aforementioned method is described below in more detail, by way of nonlimiting example, in relation to a transmission method based on the standard known under the designation GERAN.
- the solution proposed by the invention consists in allocating a fixed allocation of the control channel associated with packet transmission (PACCH) in a multiframe 52 or in a set of multiframes 52 for uplink and downlink traffic, by l indication of a block number or of a block number and of a multiframe number, on the same time interval or "timeslot" as the traffic channel or on another time interval as said traffic channel .
- PACCH packet transmission
- control blocks and the RLC data blocks are not multiplexed on the same physical resource, neither in downlink transmission, nor in uplink transmission.
- the fixed control channel associated with packet transmission on the downlink (DL FPACCH: "Down ⁇ nk Fixed Packet Associated Control CHannel") is shared between several mobile terminals, the identification of the destination mobile terminal is given by a TFI indicator (for "Temporary Flow lentifier”: identifier in temporary flow; identifies the membership of the block in a temporary flow by blocks) in the RLC / MAC control block or an identifier included in the signaling message.
- TFI indicator for "Temporary Flow lentifier”: identifier in temporary flow; identifies the membership of the block in a temporary flow by blocks
- the fixed control channel associated with packet transmission on the uplink (UL FPACCH: "UpLink Fixed Packet Associated Control CHannel) is shared between several mobile terminals, the identification of the source mobile terminal is given by a TFI indicator in the RLC data block.
- UL FPACCH UpLink Fixed Packet Associated Control CHannel
- This network is characterized in that at each terminal is (are) allocated (s) or allocated (s), in uplink and / or downlink transmission (s), one or more specific block (s) for signaling and / or the control, independently and separately of the blocks allocated to the data transfer.
- the allocation or allocation of specific blocks for signaling and / or control is carried out as described above.
- the invention also relates to a mobile cellular radiocommunication terminal, possibly part of a network of the type defined above, characterized in that it is suitable for implementing the method of transmitting data in real time as described above.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01956608A EP1230813A1 (fr) | 2000-07-31 | 2001-07-19 | Procede de transmission de donnees en temps reel et reseau de radiocommunication mettant en oeuvre ce procede |
| JP2002515864A JP2004505572A (ja) | 2000-07-31 | 2001-07-19 | リアルタイムのデータ伝送の方法および該方法を実施する無線通信ネットワーク |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0010043A FR2812507B1 (fr) | 2000-07-31 | 2000-07-31 | Procede de transmission de donnees en temps reel et reseau de telecommunication mettant en oeuvre ce procede |
| FR00/10043 | 2000-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002011473A1 true WO2002011473A1 (fr) | 2002-02-07 |
Family
ID=8853113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/002351 Ceased WO2002011473A1 (fr) | 2000-07-31 | 2001-07-19 | Procede de transmission de donnees en temps reel et reseau de radiocommunication mettant en oeuvre ce procede |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20020150119A1 (fr) |
| EP (1) | EP1230813A1 (fr) |
| JP (1) | JP2004505572A (fr) |
| CN (1) | CN1327722C (fr) |
| FR (1) | FR2812507B1 (fr) |
| WO (1) | WO2002011473A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610349B (zh) * | 2003-10-17 | 2012-07-04 | 华为技术有限公司 | 实时消息传送方法 |
| US7106714B2 (en) * | 2003-11-25 | 2006-09-12 | Motorola, Inc. | Method and apparatus for transmission of control data in a packet data communication system |
| US8351362B2 (en) * | 2009-02-13 | 2013-01-08 | Qualcomm Incorporated | Methods and systems for broadcasting alert and synchronization |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023104A2 (fr) * | 1996-11-18 | 1998-05-28 | Siemens Aktiengesellschaft | Procede et systeme de station de base pour la configuration d'une interface radio entre une station mobile et une station de base d'un systeme radiotelephonique mobile a multiplexage dans le temps pour une transmission de donnees par paquets |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ267747A (en) * | 1993-06-14 | 1997-07-27 | Ericsson Telefon Ab L M | Transmission time alignment of code division multiple access system down link |
| DE19524659C1 (de) * | 1995-07-06 | 1996-10-31 | Siemens Ag | Verfahren zur Übertragung von Datenpaketen gemäß einem Paketdatendienst in einem für Sprach- und Datenübertragung vorgesehenen zellularen Mobilfunknetz |
| AU1555299A (en) * | 1997-10-29 | 1999-05-17 | Siemens Aktiengesellschaft | Transmission/reception process and device and radio communications system for data transmission |
| US6542504B1 (en) * | 1999-05-28 | 2003-04-01 | 3Com Corporation | Profile based method for packet header compression in a point to point link |
| US6466556B1 (en) * | 1999-07-23 | 2002-10-15 | Nortel Networks Limited | Method of accomplishing handover of packet data flows in a wireless telecommunications system |
| US6594241B1 (en) * | 1999-12-08 | 2003-07-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel-type switching control |
| US6438117B1 (en) * | 2000-01-07 | 2002-08-20 | Qualcomm Incorporated | Base station synchronization for handover in a hybrid GSM/CDMA network |
| US6813252B2 (en) * | 2000-01-07 | 2004-11-02 | Lucent Technologies Inc. | Method and system for interleaving of full rate channels suitable for half duplex operation and statistical multiplexing |
| JP3512774B2 (ja) * | 2000-02-17 | 2004-03-31 | サムスン エレクトロニクス カンパニー リミテッド | 符号分割多重接続通信システムにおける共通パケットチャンネルを割り当てるための装置及び方法 |
-
2000
- 2000-07-31 FR FR0010043A patent/FR2812507B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-19 US US10/089,226 patent/US20020150119A1/en not_active Abandoned
- 2001-07-19 JP JP2002515864A patent/JP2004505572A/ja not_active Withdrawn
- 2001-07-19 WO PCT/FR2001/002351 patent/WO2002011473A1/fr not_active Ceased
- 2001-07-19 CN CNB018022545A patent/CN1327722C/zh not_active Expired - Fee Related
- 2001-07-19 EP EP01956608A patent/EP1230813A1/fr not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023104A2 (fr) * | 1996-11-18 | 1998-05-28 | Siemens Aktiengesellschaft | Procede et systeme de station de base pour la configuration d'une interface radio entre une station mobile et une station de base d'un systeme radiotelephonique mobile a multiplexage dans le temps pour une transmission de donnees par paquets |
Non-Patent Citations (1)
| Title |
|---|
| "Digital cellular telecommunications system (Phase 2+);General Packet Radio Service (GPRS); Overall description of the GPRS radio interface; Stage 2; (GSM 03.64 version 7.0.0 Release 1998)", EUROPEAN TELECOMMUNICATION STANDARD,XX,XX, July 1999 (1999-07-01), pages 1 - 42, XP002136580 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004505572A (ja) | 2004-02-19 |
| CN1327722C (zh) | 2007-07-18 |
| FR2812507A1 (fr) | 2002-02-01 |
| CN1386384A (zh) | 2002-12-18 |
| EP1230813A1 (fr) | 2002-08-14 |
| FR2812507B1 (fr) | 2003-01-31 |
| US20020150119A1 (en) | 2002-10-17 |
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