CN1132461C - A data connection device in a transport network - Google Patents
A data connection device in a transport network Download PDFInfo
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- CN1132461C CN1132461C CN988111500A CN98811150A CN1132461C CN 1132461 C CN1132461 C CN 1132461C CN 988111500 A CN988111500 A CN 988111500A CN 98811150 A CN98811150 A CN 98811150A CN 1132461 C CN1132461 C CN 1132461C
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- wireless transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/14—Interfaces between hierarchically different network devices between access point controllers and backbone network device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
Abstract
The invention relates to a data connection device and method in a transport network in a cellular mobile system between a base station controller (BSC) and base station sites (12, 13, 14) which radiate information to and from mobile terminals connected to a radio base system (RBS) in an environment demanding narrow cellular positions. The transport network comprises at distributed cross connect means (DXX) having a network management system (11) for managing the transfer. The distributed cross connect means (DXX) has at least one wireless radiation node intended for a wireless transparent connection to be provided between the wireless radiation node (RN) and a wireless radiation terminal (RT). The wireless radiation node means (RN) for several base station sites (RBS) comprises a wireless radiation network (RNC) controlled by the network management system (11). A central cross connect node (C-DXX) in the wireless radiation node (RN) cooperates with the wireless radiation network means (RNC) and central wireless radiation station means (CRS 16; CRS') functioning as a distributed group switch having a point-to-multipoint system. The wireless radiation terminal (RT) is provided for each base station site (RBS) to be wirelessly connected to the wireless radiation node (RN).
Description
Technical field
The present invention relates to a data connection device between radio node and wireless terminal in transmission network, be connected with data between the base station especially at the mobile switching centre that has base station controller in the transmission network (MSC/BSC).
Background technology
Data in the cellular mobile system between MSC/BSC and the base station are uploaded defeated at the backbone transport network.Use at microcellulor in (for example under crowded and the limited environment in space outdoor) and the Pico cell application (for example indoor), lay a plurality of base stations with acquisition capacity and covering.Each base station requires that a transmission link from MSC/BSC is arranged, so have to set up many transmission links.These transmission links are realized the link in each base station by copper cash, optical fiber or based on wireless point-to-point system technical approach usually.
Number of links increases along with the increase of base station number, so mounting cost also increases.Distribute easily and cost reasonably moves in order to make, one has the cellular transmission network of digital crossover connection performance to be suggested to provide a service-oriented transmission network.
This often be referred to as multiplexer flexibly promptly the network of " flexmux " comprise the intelligent cross connection node (DXX) that is used for transmission of digital signals.A cross connection node can be described to a digital multiplexer and a digital crossover jockey that is equipped with several channel interfaces that is equipped with several trunk interfaces.Interconnection can be between all types interface, and (promptly be relayed to relaying, be relayed to channel and channel to channel) sets up arbitrarily.It is semipermanent that channel connects, and for example they can reconfigure under the help of an integrated network management system (NMS) neatly.This network at initial stage provides the cross connection node (DXX) with the cross connection node (DXX) that is typically wire connected in each base station.The notion of DXX is at Tsviatko Ganev, and P rJohanson och Joachim Walz describes in the article of Erics son Review Nr 2,1996 " the Ericsson DXX cross connect system in the mobile network ".
The demand that makes cellular system more and more intensive is arranged in recent years, for fear of interfering with each other thereby make the very little and range of signal of the mutual orientation distance in base station than littler in the past.This has the center of a lot of people's activities especially suitable in commercial center or other kind.Cable laying is not only time-consuming but also expensive.In order to change over time, often expectation provides a kind of possible provisional Fast Installation.
Summary of the invention
When being necessary to change the installation fee that cable laying caused in data transmission network, costliness and very inflexible situation.The point of these problems by use replacing cable can be resolved to the transparent connection of multiple spot.
An object of the present invention is in transmission network, to provide not only to fully newly install and also already present transmission network done to replenish all be that flexible and adaptable data connect.
Another object of the present invention is to provide to be suitable for the data connection device installed under each wireless station is provided with very closely each other in the cellular system of a vicinity (for example in crowded places, as commercial center or similar place) the situation in transmission network.
A further object of the invention is to provide data to connect in a kind of like this transmission network, and among this transmission network, the system of a base station with sparse distribution can be with the easy and mode deflation more that becomes fast.
Another object of the present invention provides a kind of data connecting method between base station controller and base station site in the transmission network of cellular mobile system, the emission in an environment that requires narrow cellular layout of described base station site is gone to and from the information of the mobile terminal apparatus that is connected to the wireless base station, and comprise that at least one comprises the distributed cross connection device of the network management system that is used to manage transmission, it is characterized in that: center wireless transmission website device is provided, makes it as a distributed group switch with the point-to-multi-point system that comprises the wireless transmission node apparatus that is used for several base station sites; Connect a wireless transmission network controller at distributed cross connection node; By network management system center wireless transmission website device and wireless transmission network control apparatus are controlled; For each base station site provides a wireless transmission terminal; And between wireless transmission node and wireless transmission terminal, provide wireless transparent to connect.
According to a preferred embodiment, in mutual sighting distance, provide every pair of co-operating wireless transmission node and wireless transmission terminal.
According to another preferred embodiment, in distributed cross-connection system, provide distributed cross connection node as its unique node.
According to another preferred embodiment, between at least one digital crossover connected node and base station site, provide transparent connection to use wireless transmission therebetween.
According to another preferred embodiment, when detecting input information and pointed to base station site, wanted information transmitted that sign is set in network management system with wireless mode.
The present invention relates to a kind of data connection device between base station controller and base station site in the transmission network of cellular mobile system, described base station site requires under the narrow cellular layout environment emission to go to and from the information of the mobile device that is connected to radio base station at one, and comprise a distributed cross connection device that comprises the network management system that is used to manage transmission, it is characterized in that, this distributed cross connection device has at least one node, this node comprises: be used for the wireless transmission node apparatus of several base station sites, and comprise the wireless transmission network equipment by network management system control; The cross connection node device, it is cooperated with wireless transmission network equipment and center wireless transmission station arrangement, thereby is provided in the wireless transmission node apparatus in the wireless transmission node apparatus as a distributed group switch with point-to-multi-point system; A wireless transmission terminal that is used for each base station site; A wireless transparent that provides between wireless transmission node apparatus and wireless transmission terminal connects.
According to a preferred embodiment, above-mentioned wireless transparent connects and comprises dynamic channel allocation.
According to another preferred embodiment, above-mentioned wireless transparent is connected to each and comprises a DECT Radio Link at least by wireless station, center serving base station website.
According to another preferred embodiment, above-mentioned transparent being connected in the digital crossover system that has several digital crossover connected nodes in the distributed network is provided between digital crossover connected node and the base station site, so that carry out wireless transmission therebetween.
According to another preferred embodiment, when detecting one when pointing to the input information of base station site with wireless mode, network management system gives sign of information setting with the notice cross-connect networks: transparent predetermined will the foundation of wireless transmission transmission.
According to another preferred embodiment, the digital crossover connected node that carries out wireless transmission for each input grouping of information is divided into one with this grouping and has the packets of information and the grouping that is sent to another digital crossover connected node that will be transferred to base station site with wireless mode.
According to another preferred embodiment, the digital crossover connected node that is used for wireless transmission offers the wireless transmission node to the information of pointing to base station site with wireless mode, so that send information in question base station site by adaptable wireless transmission channel transparent ground, this base station site then transmission information is again given the purpose portable terminal.
In order to keep quick extension and to be easy to planning, a dynamic radio channel allocation plan is preferred in the radio path, but the also alternative use of other plan of distribution.Wireless transparent connects and preferably comprises a kind of like this dynamic channel allocation, wherein comprises a DECT Radio Link for each at least by wireless station, center serving base station website.Co-operating every pair of wireless transmission node and wireless transmission terminal can be provided in the mutual sighting distance.Transparent connection can be provided in a digital cross-connection system with several digital crossover connected nodes that is in the distributed network, carries out wireless transmission between digital crossover connected node and base station site.When detecting one when pointing to the input information of a base station site with wireless mode, network management system can be given sign of information setting, so that the notice cross-connect networks: expection will be set up a transparent wireless transmission and be transmitted.The digital crossover connected node that is used for wireless transmission is divided into one with each input to have and will be transmitted wirelessly to base station site packets of information and the grouping that will be transferred to another digital crossover connected node.The digital crossover connected node that is used for wireless transmission will be its destination that the information of base station site offers a wireless transmission node with wireless mode, so that by adaptable wireless transmission channel this message transmission is given just in question this base station site pellucidly, this base station site then transmission information is again given the purpose portable terminal.
The present invention was for not only fast but also set up new mobile transmission economically possibility is provided.Provisional installing when needed can directly be carried out, and can become nonvolatil then by the wired connection that is provided to the wireless base station website.Existing transmission network can become more intensive by easy mode.
The abbreviation inventory that is used to illustrate
AMPS strengthens the mobile phone service
The key digital crossover of B-DXX connects
The key wireless station of BRS
The BSC base station controller
The key technology TS of BTN number
The key technical station of BTS
C-DXX center digital crossover connects
Wireless station, CRS center
The DCA dynamic channel allocation
The interconnection of D-DXX distributed digital
DECT digital europe cordless telephone
The DXX digital crossover connects
The GSM global system for mobile communications
The NMS network management system
The NMT NMT
The OSS operational subsystems
The PCM pulse code modulation
The PCN personal communication network
The PSTN public switched telephone network
The BS base station
The RBS wireless base station
The RNC wireless network control
The RN radio node
The RT wireless terminal
Description of drawings
For a more complete understanding of the present invention and its further purpose and advantage, with reference now to the following description of following accompanying drawing, wherein:
Fig. 1 is one and illustrates schematic view of the present invention;
Fig. 2 A shows that a logical view and Fig. 2 B are the Physical Views that signaling transmits in the subnetwork shown in Figure 1;
Fig. 3 is one and is used for the signaling diagram that network shown in Figure 1 connects;
Fig. 4 is another embodiment of the invention.
Embodiment
In the present cellular transmission system that is used for the information that transmits for the mobile message distributed system from public telephone network by certain distributed network, a kind of distributed system that in several nodes, comprises so-called DXX (digital crossover connection) system in transmission network switch that relates to the distributed network that is used to call out and transmission and receive from the base station of the information of going to client's portable terminal (as speech, data service or similar information) between be carried out utilization.
This class network schematically illustrates in Fig. 1 with feature according to the present invention.A lot of clients were connected to public telephone network PSTN (public switched telephone network) 1 and this network and were used to transmit call out and give different mobile communications networks (for example GSM2, NMT3, paging 4, certain transfer of data 5 or the like) today, as illustrate at Fig. 1 upper part and Fig. 1 the right for wireless station 13 illustrational, at this, mobile system PCN and AMPS have been added.The client who is connected to these mobile systems can certainly directly connect by these networks.
It is very important that each client has any possibility that reaches a client terminal of utilizing in the heterogeneous networks.This is known general knowledge and is illustrated at the upper part of Fig. 1 that different therein switching networks and PSTN interconnect by the interface (not shown) in the mode of routine.The most normally direct wired base station that is connected to such as each network G SM, NMT etc. this means that a large number of copper cash and fiber optic cables vertically and are across passed cities and towns and the earth.
Yet, have DXX node distribution formula system be installed on more frequently little/be intensive cellular environment slightly.The notion of DXX is known, therefore will not be described in detail, and so only describes those parts relevant with the present invention.The DXX notion is at Tsviatko Ganev, and P rJohanson och Joachim Walz is described in the article of Ericsson Review Nr 2,1996 " the Ericsson DXX cross connect system in the mobile network ".
The DXX network for the network operator provide can be extended when network development and new business are introduced the network solution route.The DXX notion becomes easily access (DXX) node of introducing as the merge node that is used for a plurality of littler wireless base stations (RBS) 12,13, and each such wireless base station is provided to the DXX node A that the merge node in and the network is cooperated successively.Merge node also will be the dialogue place of a nature between different media/interfaces.
Each DXX node can be described to a digital multiplexer that is equipped with several trunk interfaces, and a digital crossover jockey that is equipped with several channel interfaces.Interconnection can freely be set up between any style interface (promptly be relayed to relaying, be relayed to channel and channel to channel).It is semipermanent that channel connects, and promptly they can reconfigure under the help of the common integrated network management system (NMS) 11 of DXX node 6 to 14 in for system neatly at one.
As conspicuous from Fig. 1, network 2 and 3 is connected to DXX node 6, and network 4 and 5 is connected to DXX node 7.DXX node 6 and 7 is dealt with separately and is gone to and from the calling of two different network systems like this.The DXX network comprises intelligent cross connection node and is used for the access modulator-demodulator of transmission of digital signals.As conspicuous from Fig. 1 the right that shows traditional DXX notion, each DXX node A that the website 13 at an independent station provides is by the supply DXX node 10 that is connected to it wiredly.Each base station site and in its cellular environment by having wireless getting in touch between independent mobile device that service is provided by it or the terminal, for example by GSM or NMT network, PCN, AMPS, paging, special mobile service or travel to and fro between the similar service of these mobile devices.
Under the situation that expects to have intensive cellular system, this traditional, the wire laying mode between the DXX node of as 13 base station site and as 10 DXX node is expensive and consuming time at least.So connecting between the C-DXX/RNC node 8 in some base station sites 14 and the center digital crossover that belongs to the network C of supporting these base station sites 14 in little/Pico cell network according to the present invention provides a wireless links.Equally for example clear compound DXX/C-DXX/RNC node 9 can be served the base station site that connects in wired or wireless mode.Radio Link is a Radio Link RN preferably, but also can be a wireless optical link that for example transmits the IR-light of modulation.
According to system of the present invention use one at the center that is hereinafter referred to as the wireless transmission station, center of wireless station CRS, it preferably has in node 8 and 14 DECT air interfaces with the wireless signaling form (DECT-digital europe cordless telephone).The DECT Radio Link provides transparent N * 64kbps to connect between a radio node (RN) and a wireless terminal (RT).The major advantage of DECT is: a DECT air interface is used dynamic channel allocation (DCA).So just, the needs that do not have plot planning (frequency planning).But for enough service quality is provided, requiring between transmitter and receiver is sighting distance.Yet it should be noted that the air interface that transparent connection is provided except DECT also can be used.
C-DXX/RNC node 8 is combined and be connected to the wireless tiny node CRS16 in the center of playing the effect of distributed group switch in radio node RN with wireless network control RNC, so that will be transformed into the wireless signal that will be transmitted to website 14, and will become be suitable for signal from the incoming bit stream information conversion of website 14 by the DXX Network Transmission from the input information of DXX network.The center digital crossover connects and is called as C-DXX/RNC8 below the wireless network control node.
Need make the key digital crossover of the access that is positioned at base station site 14 connect the B-DXX Node B is adapted to support and make it to comprise key wireless station BRS by wireless mode to it.B-DXX compares with DXX A to be an improved form and to will be further described below.
Equally, integrated network management system (NMS) 11 need be adapted to one and can be wired again can wireless transmission go to and from the system of the information signal of website A and B, all be out of question for which kind of website so that will transmit information signal to system.So the particular network management function is comprehensively gone among the NMS11.According to the present invention, such advantage is that wireless transmission characteristic does not need to relate to extra management system.The client is considered as each website the part of DXX notion.
NMS can be connected to one successively for obtaining the operational subsystems OSS that centralized control is connected with a base station controller BSC.
In C-DXX/RNC node 8, be cross connected to the virtual delivery outlet of CRS16 from the incoming bit stream of DXX network, as following will being described.
Fig. 2 A has shown a logical view, and Fig. 2 B has shown in the DXX network between C-DXX/RNC8 and the DXX6 and the Physical View that transmits of the signaling between C-DXX/RNC8 and the B-DXXs B.Even if signaling can provide by network bi-directional, be connected to the path of a mobile device of wireless base station in will describing now from PSTN1 to the system.The calling of going to all devices that are connected to C-DXX/RNC8 is mapped to grouping P1, and each calling here is assigned with in grouping with an independent time slot.
One of function of NMS11 is to be that the routing iinformation that arrives the target destination is set up in a specific wireless base station in the DXX network.When having a DXX network,, provide these callings that a special no line index is given can provide the RBS18 of service to handle by the B-DXX that is wirelessly connected to C-DXX/RNC in order to support one of function of certain management function of the present invention.
As what in Fig. 2 A, show, C-DXX/RNC selects to have the time slot of no line index from grouping P1, these time slots are put into the second grouping P2 that comprises a control time slot CCS equally at time slot # 16 together with the common mode that is used for controlling signaling in this area, for use in CRS and the internodal internal control of C-DXX/RNC, shown in Fig. 2 B, and send it to CRS16.It should be noted that C-DXX/RNC8 can be comprised in the identical square with CRS16, but preferably reciprocally shone upon, promptly mutual wired connection, for example the 2Mbps port by a physics is connected to CRS16.The reason of doing like this is that CRS16 comprises and must place outdoor transmission and reception antenna.So the most real mode is to make to comprise the whole square that is used for the CRS circuit and be set at outdoor.
Do not have line index or another and represent that it will can be in being sent to the system that for example has wired connection be provided among the grouping P3 of another DXX (as the DXX9 of Fig. 1) by the time slot of the no line index that sends by another C-DXX/RNC.
Each B-DXX is provided for key wireless station (BRS) 17A-17N.This BRS is adapted to wireless receiving and dispatching and is contained in the wireless terminal (RT) relative with the access unit that provides in DXX A.The C-DXX/RNC node 8 that comprises CRS16 provides a dummy output terminal mouth for each BRS/B-DXX17A-17N.Each dummy output terminal mouth is connected to appropriate C RS and sets up a traditional PCM (PCM=pulse code modulation) channel from there to selected mobile RBS.According to traditional approach, the user inserts at multiple access and is assigned to an available wireless channel when calling out, and prevailing mode is that time division multiple access inserts (TDMA).
Air interface Ai/f only transmits CRS16 and the internodal user data of each BRS/B-DXX, and be used as the interconnection of an only limited cross connect function, so as with BRS/B-DXX 17A in the 17N suitable one be connected to C-DXX/RNC8 by CRS16.All to set up the logical transport channel for BRS/B-DXX 17A each in the 17N.The virtual transmission channel that for example has 2Mbps speed just obtains by this way.
Connect and be considered to semipermanent, that is, do not carry out dynamic calling and handle.Connect always according to setting up from the request of wireless network control RNC.As in Fig. 3 illustrated, the input connection request is defined as a connection request of initiating from the DXX NMX11 that is used for the DXX network.One receives the input connection request, and wireless network control RNC just checks its database so that checking RBS is in its cellular zone.If this is the case, RNC just checks that this connection will point to purpose backbone in which key station and the system and stand in and where register.
If key station is a broadcast type, promptly in BRS/B-DXX B, be provided, a broadcast message that comprises the key technology TS number (BTN) at key station is addressed to all business and beacon channel.In the DECT transmission system, BRS/B-DXX discerns by its BTN.Address CRS selects best available transmission channel (physical channel request).This CRS must authenticate, and connection request is sent to CRS by for example speed with 64kbps then.For each BRS/B-DXX sets up at least one data channel.
The channel that is hopeful is established then, and CRS is connected to suitable input TS and system from base station controller BSC (referring to Fig. 1) and changes into operator scheme.
A CRS16 can have for example 6 radio ports.Each radio port can be handled 6 data channels.
C-DXX/RNC8 is the suitable time slot of incoming bit stream pathfinding to the pulse code modulation link that is connected to CRS 16 of target with the BRS that is connected among the B-DXX B for each.Routing function is realized by the cross connect block in the C-DXX/RNC8.C-DXX/RNC goes up from NMS11 and disposes by control channel.Control channel is also managed by cross connect block.
As above-mentioned, the present invention can make cellular environment more intensive.The existing under these circumstances DXX node that is connected to some wireless base station websites in wired mode can provide the transmission of extra wireless transparent to some extra wireless base station websites.This illustrates at Fig. 1 middle part, compound herein DXX/C-DXX/RNC node 9 not only support site 12 places A-DXX node A but also support B-DXX node 21 by CRS20.
According to the present invention, also be possible as the link that is independent of network system (for example GSM) with its oneself long-range NMS with the data connection device of intelligent type.This is in Fig. 4 illustrated.Base station controller BSC is connected to a wireless network control RNC who is used to control a plurality of radio access node CRS '.The preferred DECT type of wireless transmission.It for example is that the air interface of DECT is connected to a plurality of key access unit BRS/B-DXX ' that each CRS ' can utilize.It should be noted that a BRS/B-DXX ' can cooperate with several CRS, and a CRS ' can cooperate with several BRS/B-DXX '.In order to obtain the system of a spectrum efficient, only active data in each time slot is transmitted by air interface.The pulse code modulation link is at BRS/B-DXX ' and RNC is resumed and be synchronized with E1/T1 between BSC and the RNC in the BSC side
1Interface.Thereby from BSC, this system taken on go to wireless base station website RBS, be synchronized with the E1/T1 between RBS and the BRS/B-DXX '
2The virtual semipermanent pulse code modulation link of interface.
System scale for example
A DECT radio port can be handled nearly, and the 32kbps of 12 whiles connects or the 6*64kbps time slot.In order to handle a full Mbps pulse code modulation link, must use 6 DECT radio ports in the BAU.Time slot 0 is used to synchronous purpose and thereby can produces in BAU.The DECT time slot of each 32kbps is assigned to one that reaches in 120 available channels.
Claims (13)
1, in the transmission network of cellular mobile system at base station controller (BSC) and base station site (12,13,14) a kind of data connection device between, described base station site (12,13,14) require under the environment of narrow cellular layout emission from the information of going to the mobile terminal apparatus that is connected to radio base station (RBS), and comprise distributed interconnection (DXX) device that comprises the network management system (11) that is used to manage transmission, it is characterized in that distributed cross connection device (DXX) has a node at least, this node comprises:
A) be used for the wireless transmission node apparatus (RN) of several base station sites (RBS), and comprise wireless transmission network equipment (RNC) by network management system (11) control;
B) cross connection node device (C-DXX) is with wireless transmission network equipment (RNC) and center wireless transmission station arrangement (CRS16; CRS ') cooperation, thus be provided in the wireless transmission node apparatus (RN) as a distributed group switch with point-to-multi-point system;
C) be used for the wireless transmission terminal (RT) of each base station site (RBS);
D) wireless transparent that provides between wireless transmission node apparatus (RN) and wireless transmission terminal (RT) connects.
2,, it is characterized in that the wireless transparent connection comprises dynamic channel allocation according to the data connection device of claim 1.
3,, it is characterized in that wireless transparent is connected to each by the wireless station (CRS16 in center according to the data connection device of claim 1 or 2; CRS ') the serving base station website comprises a DECT Radio Link at least.
4,, it is characterized in that every pair of co-operating wireless transmission node (RN) and wireless transmission terminal (RT) are all within mutual sighting distance according to the data connection device of claim 1 or 2.
5, according to any one data connection device in the claim 1 to 2, it is characterized in that transparent being connected is provided in the digital crossover system that has several digital crossover connected nodes in the distributed network between digital crossover connected node (C-DXX/RNC) and the base station site (BRS/B-DXX), so that carry out wireless transmission therebetween.
6, according to the data connection device of claim 5, it is characterized in that when detecting one when pointing to the input information of base station site network management system (NMS11) gives sign of information setting with the notice cross-connect networks: transparent predetermined will the foundation of wireless transmission transmission with wireless mode.
7, according to the data connection device of claim 5, the digital crossover connected node (C-DXX/RNC) that it is characterized in that carrying out wireless transmission for each input grouping (P1) of information is divided into one with this grouping and has the grouping (P3) that will be transferred to the packets of information (P2) of base station site and be sent to another digital crossover connected node (DXX) with wireless mode.
8,, it is characterized in that the digital crossover connected node (C-DXX/RNC) that is used for wireless transmission offers wireless transmission node (CRS16 to the information of pointing to base station site with wireless mode according to any one data connection device in the claim 5; CRS '), so that send information in question base station site by adaptable wireless transmission channel transparent ground, this base station site then transmission information is again given the purpose portable terminal.
9, in the transmission network of cellular mobile system at base station controller (BSC) and base station site (12,13,14) a kind of data connecting method between, described base station site (12,13,14) emission is gone to and from the information of the mobile terminal apparatus that is connected to wireless base station (RBS) in an environment that requires narrow cellular layout, and comprises that at least one comprises the distributed cross connection device (DXX) of the network management system (11) that is used to manage transmission, is characterized in that:
A) provide center wireless transmission website device (CRS16; CRS '), make it as a distributed group switch with the point-to-multi-point system that comprises the wireless transmission node apparatus (RN) that is used for several base station sites (RBS);
B) connect a wireless transmission network controller (RNC) at distributed cross connection node (C-DXX);
C) by network management system (11) center wireless transmission website device and wireless transmission network control apparatus are controlled;
D) provide a wireless transmission terminal (RT) for each base station site (RBS); And
E) between wireless transmission node and wireless transmission terminal, provide wireless transparent to connect.
10,, it is characterized in that in mutual sighting distance, providing every pair of co-operating wireless transmission node (RN) and wireless transmission terminal (RT) according to the data connecting method of claim 9.
11,, it is characterized in that in distributed cross-connection system, providing distributed cross connection node (C-DXX) as its unique node according to the data connecting method of claim 9 or 10.
12, be used for the data connecting method that distributed network has the distributed cross-connection system of several digital crossover connected nodes according to claim 9 or 10, it is characterized in that between at least one digital crossover connected node (C-DXX/RNC) and base station site (BRS/B-DXX), providing transparent connection to use wireless transmission therebetween.
13,, it is characterized in that when detecting input information and pointed to base station site (B-DXX), being wanted information transmitted that sign is set in network management system (11) with wireless mode according to the data connecting method of claim 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE97041727 | 1997-11-14 | ||
| SE9704172A SE523594C2 (en) | 1997-11-14 | 1997-11-14 | Data switching device and method for information transmission in a cellular mobile system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1278991A CN1278991A (en) | 2001-01-03 |
| CN1132461C true CN1132461C (en) | 2003-12-24 |
Family
ID=20408980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN988111500A Expired - Fee Related CN1132461C (en) | 1997-11-14 | 1998-11-10 | A data connection device in a transport network |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1031246A1 (en) |
| JP (1) | JP2001523932A (en) |
| KR (1) | KR100647406B1 (en) |
| CN (1) | CN1132461C (en) |
| AU (1) | AU1265899A (en) |
| SE (1) | SE523594C2 (en) |
| WO (1) | WO1999026436A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376378A (en) | 2001-06-04 | 2002-12-11 | Ericsson Telefon Ab L M | Establishing a connection between a network and a new network element |
| CN100381012C (en) * | 2003-04-09 | 2008-04-09 | Ut斯达康(中国)有限公司 | Method for data transmitting management in UE switching process |
| JP4429132B2 (en) * | 2004-09-30 | 2010-03-10 | 富士通株式会社 | Mobile radio communication system |
| CN101388849B (en) * | 2008-10-29 | 2011-04-13 | 北京航空航天大学 | Method for selecting collaboration node |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2031551C (en) * | 1990-12-05 | 1998-06-30 | Leo Strawczynski | Inter-cell call hand-over in radio communication systems with dynamic channel allocation |
| US6088590A (en) * | 1993-11-01 | 2000-07-11 | Omnipoint Corporation | Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
| CA2166557A1 (en) * | 1994-05-06 | 1995-11-16 | Leo Kool | Point-to-multipoint cellular television transmission system |
| AU3035197A (en) * | 1996-06-07 | 1998-01-07 | Telecom Finland Oy | Dynamic allocation for point to multipoint telecommunication system |
-
1997
- 1997-11-14 SE SE9704172A patent/SE523594C2/en not_active IP Right Cessation
-
1998
- 1998-11-10 EP EP98956046A patent/EP1031246A1/en not_active Withdrawn
- 1998-11-10 AU AU12658/99A patent/AU1265899A/en not_active Abandoned
- 1998-11-10 WO PCT/SE1998/002020 patent/WO1999026436A2/en active IP Right Grant
- 1998-11-10 CN CN988111500A patent/CN1132461C/en not_active Expired - Fee Related
- 1998-11-10 JP JP2000521668A patent/JP2001523932A/en active Pending
- 1998-11-10 KR KR1020007005218A patent/KR100647406B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1278991A (en) | 2001-01-03 |
| JP2001523932A (en) | 2001-11-27 |
| SE523594C2 (en) | 2004-05-04 |
| SE9704172D0 (en) | 1997-11-14 |
| EP1031246A1 (en) | 2000-08-30 |
| KR20010024607A (en) | 2001-03-26 |
| KR100647406B1 (en) | 2006-11-17 |
| WO1999026436A3 (en) | 1999-07-22 |
| AU1265899A (en) | 1999-06-07 |
| SE9704172L (en) | 1999-05-15 |
| WO1999026436A2 (en) | 1999-05-27 |
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