CN101310551A - Access control in radio access network having pico base stations - Google Patents
Access control in radio access network having pico base stations Download PDFInfo
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- CN101310551A CN101310551A CNA2006800365201A CN200680036520A CN101310551A CN 101310551 A CN101310551 A CN 101310551A CN A2006800365201 A CNA2006800365201 A CN A2006800365201A CN 200680036520 A CN200680036520 A CN 200680036520A CN 101310551 A CN101310551 A CN 101310551A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
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Abstract
Methods and apparatus provide access control to a femto radio base station (28f) of a radio access network (24). The radio access network (24) maintains a database (44) of allowed user equipment units which are to be permitted access for use of a femto radio base station (28f). The database (44) is consulted and used to determine if a candidate user equipment (30) unit attempting to use the femto radio base station (28f) for access to the radio access network (24) is to be given access. In some implementations, the candidate user equipment unit (30) is permitted to use the femto radio base station (28f) only if the candidate user equipment unit is an allowed user equipment unit as determined by the database (44). In some implementations, if the candidate user equipment unit (30) is not an allowed user equipment unit as determined by the database (44), the candidate user equipment unit is redirected to another frequency, or to another cell, or to another radio access technology network. In some implementations, if the candidate user equipment unit (30) is not an allowed user equipment unit as determined by the database (44), the candidate user equipment unit is required to wait for a specified wait time before again attempting to use the femto radio base station (28f) for access to the radio access network.
Description
Technical field
[0001] the present invention relates to aerogram, specifically, relate to the access control in the radio access network with slight or " femto " radio base station.
Background technology
[0002] in typical cellular radio system, wireless user equipment units (UE) communicates through radio access network (RAN) and one or more core networks.User equipment unit (UE) can be a travelling carriage, mobile phone (" honeycomb " phone) and have the laptop computer of portable terminal for example, thereby can be for example portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device, they and radio access network carry out voice and/or data communication.Perhaps, wireless user equipment units can be a stationary wireless device, for example as fixed cellular device/terminal of the part of wireless local loop etc.
[0003] radio access network (RAN) covers the geographic area that is divided into some sub-districts, and wherein each sub-district provides service by the base station.The sub-district is the geographic area that the radio covering is provided by the wireless base station unit at base station site place.Each sub-district identifies by the unique identifier of broadcasting in the sub-district.The base station communicates by the user equipment unit (UE) in air interface and the base station scope.In radio access network, several base stations (for example by land line or microwave) usually is connected to radio network controller (RNC).Radio network controller is also referred to as base station controller (BSC) sometimes, the comings and goings of a plurality of base stations that its monitoring and coordination are connected.Radio network controller is typically connected to one or more core networks.Core network has two service-domains, and wherein RNC has the interface with these two territories.
[0004] radio access network example is Universal Mobile Telecommunications System (UMTS) terrestrial radio Access Network (UTRAN).UMTS is a third generation system, and it is based on the radio access technologies that is called global system for mobile communications (GSM) of Europe exploitation in some aspects.UTRAN is the radio access network that Wideband Code Division Multiple Access (WCDMA) (WCDMA) is provided to user equipment unit (UE) in essence.Third generation partner program (3GPP) has set about further developing UTRAN and based on the radio access network technology of GSM.
Those skilled in the art will recognize that in the WCDMA technology that [0005] common band allows communication simultaneously between user equipment unit (UE) and a plurality of base station.In receiving station by distinguishing the signal that takies common band based on the spectrum CDMA waveform characteristic of using high speed pseudo noise (PN) sign indicating number.These high speeds PN sign indicating number is used for modulating the signal from base station and user equipment unit (UE) emission.Using the cell site of different PN sign indicating numbers (or time go up PN sign indicating number of skew) to produce can be in receiving station separately by the signal of demodulation.High speed PN modulation also allows receiving station easily by producing received signal in conjunction with the some different propagation paths that transmit from single cell site.Therefore, in CDMA, connecting to another sub-district from a sub-district when switching, user equipment unit (UE) does not need inversion frequency.Like this, cell of origin continue as connect service is provided in, Target cell can be supported and being connected of user equipment unit (UE).Because user equipment unit (UE) communicates by at least one sub-district in handoff procedure all the time, therefore do not call out and interrupt.Therefore be called " soft handover ".Compare with direct-cut operation, soft handover is " carrying out before the interruption " conversion operations.
[0006] telecommunication system that comprises other type of radio access network comprises: global system for mobile communications (GSM); Advanced mobile phone service (AMPS) system; Arrowband AMPS system (NAMPS); Total access communication system (TACS); Personal digital cellular (PDC) system; U.S.'s digital cellular (USDC) system; And the code division multiple access of describing among the EIA/TIA IS-95 (CDMA) system.
[0007] in UTRAN, there are several interfaces of being paid close attention to.Interface between radio network controller (RNC) and the core network is called " Iu " interface.Interface between radio network controller (RNC) and its base station (BS) is called " Iub " interface.Interface between user equipment unit (UE) and the base station is called " air interface " or " radio interface " or " Uu interface ".In some cases, connect and to relate to source or Serving RNC (SRNC) and target or Drift Radio Network Controller (DRNC), SRNC control connection wherein, but the one or more various branch that connects is handled by DRNC.Transmission link can be used for the transmission that control and data signal between source RNC and drift or the Target RNC between RNC, and can be direct link or logical links.The interface of [for example between Serving RNC (SRNC) and the Drift Radio Network Controller (DRNC)] is called " Iur " interface between the radio network controller.
[0008] radio network controller (RNC) control UTRAN.In its control action process of realization, the resource of RNC management UTRAN.The hardware that disturbs and be positioned at the base station comprising down link (DL) power of base station, the up link (UL) that feels the base station by this class resource of RNC management.
[0009] those skilled in the art will recognize that RNC can have the effect of Serving RNC (SRNC) or have the effect of Drift Radio Network Controller (DRNC) for certain RAN-UE connection.If RNC is Serving RNC (SRNC), then this RNC is responsible for and being connected of user equipment unit (UE), and for example, it controls the connection in the radio access network (RAN) fully.Serving RNC (SRNC) is connected to core network.On the other hand, if RNC is Drift Radio Network Controller (DRNC), then it supports Serving RNC (SRNC) by providing with the required radio resource (in the sub-district of Drift Radio Network Controller (DRNC) control) that is connected of user equipment unit (UE).Comprise drift radio network controller (DRNC) and be called DRNC subsystem or DRNS in this article by the system of drift radio network controller (DRNC) by the base station of Iub interface control.It is control RNC (CRNC) by the connected base station of Iub interface that RNC is said to be.This CRNC effect is not that UE is specific.CRNC wherein also is responsible for handling the provided for radio resources management by the sub-district in the connected base station of Iub interface.
[00010] some operators are investigating and are using small radio base station (" RBS ") to come to provide as the user of limited quantity the possibility of family or zonule WCDMA covering, and wherein small radio base station (" RBS ") is called " femto RBS " and/or " RBS of family " and/or " RBS slightly " and/or " little RBS " again in some contexts.According to this investigation, little RBS will cover for terminal use (for example to user equipment unit (UE)) provides conventional WCDMA, and will use certain IP-based transmission to be connected to RNC.The overlay area that provides like this is called " Femto cell " (smaller with the indication overlay area).Other term of Femto cell comprises " picocell " or " Microcell ", and it and macrocell grand or standard radio base station (RBS) covering form contrast.
[00011] IP-based transmission alternative is to use fixed broadband to insert (for example xDSL, Cable etc.) RBS of family is connected to RNC.Another alternative is to use WiMAX to insert (for example HSDPA and enhanced uplink or WiMAX).Fig. 5 illustrates in greater detail two kinds of different backhaul alternatives.First alternative is labeled as " xDSL backhaul ", and second alternative is labeled as " WiMAX backhaul ".
[00012] in general, common WCDMA base station (grand RBS) can use IP-based transmission to be connected to RNC.The operator, as having or safeguarding that the office worker of the company of operator of the grand RBS node of radio access network (RAN) and RNC node installs grand RBS node usually.As a part of installing, with the IP addressing information of the RNC that grand RNC was connected to (dns name claims, fully qualified domain name FQDN or IP address) the grand RBS of human configuration.
[00013] opposite, femto RBS installs by the terminal use rather than by network operator usually.The terminal use can also move to another place from a place geographically with femto RBS, can or be ready to control reorientating of femto RBS and need not the operator.The reorientating requirement: femto RBS and no matter install or where be arranged on of this user instruction, it all should be connected to correct RNC." correct RNC " or " preferred RNC " is at the identical RNC that aspect this is the overlapping macrocell of control radio access network (RAN).
[00014] is used for strengthening part in for example small-sized or work-at-home (SOHO) environment when covering as femto RBS, it should be exclusively used in this family or enterprise, because can use by this family or transmission that enterprise itself provided and paid to the transmission of radio network controller node (and mobile core network).In this case, should only allow to belong to the terminal access nano-micro-radio base stations of this SOHO or enterprise.
[00015] in some cases, terminal use or SOHO buy and the possible operation nano-micro-radio base stations.In some cases, nano-micro-radio base stations can be one type base station can only serving the terminal use of limited quantity.Therefore, it is highly important that in view of nano-micro-radio base stations is taken the service that provides in advance by unwarranted user, the terminal use or the SOHO that have bought femto RBS have the right to visit rather than be rejected visit.
[00016] can understand from above-mentioned two kinds of operating positions of nano-micro-radio base stations, in order to obtain the acceptance of terminal use to the nano-micro-radio base stations notion, access control is very important.
[00017] the UE access control to nano-micro-radio base stations lacks very much.Have two kinds of popular mechanism, they have the illusion of the access control of possibility, perhaps it seems as relevant with access control.These mechanism, be that access control class and position are upgraded (or routing region updating) and be arranged among the UTRAN, perhaps be arranged between travelling carriage and the core network (CN).These two kinds of mechanism of following brief discussion.
[00018] radio access network mechanism is based on the access control genus.When subscribing, one or more access control classes are distributed to the subscriber, and be stored among subscriber's the USIM of user equipment unit (UE).Mainly due to the reason of load control, these access control classes can be used to prevent that user's selected class from sending initial access message.Unfortunately, the access control genus among the UTRAN can't be used for the fine granularity access control.A reason of this defective relates to the following fact: have only ten different access control classes to can be used for the conventional terminal user.For a kind of like this access control class of limited quantity, any logic that makes up the access control that is used for the nano-micro-radio base stations notion is impossible.
[00019] the machine-processed position-based between travelling carriage (for example portable terminal or user equipment unit (UE)) and the core network upgrades control.This means, when travelling carriage when the core network executing location is upgraded, core network for example can be refused the position according to the position of travelling carriage and upgrade.Upgrade though core network can be refused the position, problem is only can refuse rank on the band of position (LAI) or PLMN rank.Core network is not even known the cell identifier that distributes for each nano-micro-radio base stations.
[00020] therefore, target required and that this paper provided is method, technology, device and the system that is used for providing to effective access control of the nano-micro-radio base stations of radio access network.
Summary of the invention
[00021] method and apparatus provides the access control to the nano-micro-radio base stations of radio access network.Radio access network is safeguarded and to be allowed the database of allowing user equipment unit that uses nano-micro-radio base stations to conduct interviews.Database is inquired about and is used for determining whether using the candidate user equipment unit of nano-micro-radio base stations visit radio access network that access right is provided to attempting.
[00022] in some implementations, only, just permit candidate user equipment unit and use nano-micro-radio base stations when candidate user equipment unit when to be that database is determined allow user equipment unit.
[00023] in some implementations, if not to be database determined allows user equipment unit for candidate user equipment unit, then candidate user equipment unit is redirected to another frequency or to another sub-district or to another radio access technologies network.
[00024] in some implementations, if not to be database determined allows user equipment unit for candidate user equipment unit, then require candidate user equipment unit to wait for that the stand-by period of regulation just attempts using nano-micro-radio base stations visit radio access network once more.
[00025] the available pre-configured and/or dynamic-configuration access control database of the identification code of allowing user equipment unit that uses nano-micro-radio base stations to conduct interviews of being allowed.
[00026] attempt to use a by way of example of nano-micro-radio base stations visit radio access network be that candidate user equipment unit is attempted setting up radio resource by nano-micro-radio base stations and radio access network and controlled (RRC) and be connected to candidate user equipment unit.
[00027] in the method that relates to a kind of operate wireless electricity Access Network aspect of this technology.This method comprises: (1) is safeguarded and to be allowed the database of allowing user equipment unit that uses nano-micro-radio base stations to conduct interviews; And (2) use database to determine whether to use the candidate user equipment unit of nano-micro-radio base stations visit radio access network that access right is provided to attempting.
[00028] another aspect of this technology relates to radio access network, and it comprises: at least one Femto cell, nano-micro-radio base stations are served the Femto cell of radio access network; At least one radio network controller node (configuration is used to use the resource of nano-micro-radio base stations to control being connected between user equipment unit and the radio access network); And access control database.The access control database configuration is used to help to determine whether to use the candidate user equipment unit of nano-micro-radio base stations visit radio access network that access right is provided to attempting.The access control database can be set to the isolated node of radio access network, perhaps is positioned at the radio network controller node of radio access network.Preferably, access control database configuration is used to respond the inquiry of radio network controller node and helps to determine.
[00029] another aspect of this technology relates to the radio access network node that comprises the access control database, and wherein access control database configuration is used to help to determine whether to use the candidate user equipment unit of nano-micro-radio base stations visit radio access network that the access right of visiting radio access network by nano-micro-radio base stations is provided to attempting.The access control database can be set to the isolated node of radio access network, perhaps is positioned at the radio network controller node of radio access network.
Description of drawings
[00030] by below in conjunction with the more specifically explanation of accompanying drawing to preferred embodiment, above-mentioned and other purpose of the present invention, feature and advantage will be very obvious, and in the accompanying drawing, reference number is represented the same section in each view.Accompanying drawing is not necessarily drawn in proportion, and emphasis is to be to illustrate principle of the present invention.
[00031] Figure 1A-Fig. 1 E is the diagrammatic view of an example embodiment that comprises the telecommunication system of radio access network, and the different phase with respect to the access control operation of nano-micro-radio base stations is shown.
[00032] Fig. 2 is the schematic diagram of an example embodiment of nano-micro-radio base stations.
[00033] Fig. 3 is the schematic diagram of example radio network controller (RNC) node.
[00034] Fig. 4 is the diagrammatic view of an example structure of the access control database of nano-micro-radio base stations.
[00035] Fig. 5 is the diagrammatic view that two different backhaul alternatives are shown.
[00036] Fig. 6 is the diagrammatic view of an example embodiment of the status message that returned by the radio network controller node after inquiry femto access control database.
Embodiment
[00037] for convenience of explanation rather than limit, set forth such as details such as particular architecture, interface, technology, so that fully understand the present invention in below describing.Yet, it will be apparent to those skilled in the art that also and can in being different from other embodiment of these details, implement the present invention.That is to say that though do not describe clearly or represent that those skilled in the art can design various schemes, these schemes have embodied principle of the present invention herein, therefore be included within its spirit and scope.In some cases, omitted detailed description, in order to avoid unnecessary details hinders the description of this invention to well-known device, circuit and method.All statements of principle of the present invention, aspect and embodiment and the equivalents that instantiation is intended to comprise its structure and function thereof are described herein.In addition, estimate this class equivalents comprise current known equivalents and exploitation in the future equivalents, be any unit of the execution identical function developed, and and structure-irrelevant.
[00038] therefore, for example, it will be understood by those skilled in the art that herein block diagram can represent to embody the conceptual view of illustrative circuit of the principle of this technology.Similarly, be appreciated that expression such as any flow chart, state transition diagram, false code is in fact can be by computer-readable medium represented thereby by computer or the performed various processes of processor, whether no matter this computer or processor clearly are shown.
[00039] comprises that the function of the various unit of the functional block that is labeled as " processor " or " controller " can be by using specialized hardware and can combining the hardware of operating software to provide with suitable software.When being provided by processor, function can be to share or distributed a plurality of independent processor provides by single application specific processor, by single shared processing device or by a part wherein.In addition, clearly the using of term " processor " or " controller " not should be understood to the hardware that special expression can operating software, but can comprise digital signal processor (DSP) hardware without limitation, is used for read-only memory (ROM), random-access memory (ram) and the Nonvolatile memory devices of storing software.
[00040] in the non-limiting example context of telecommunication system shown in Figure 1A 10, the present invention is described.Telecommunication system 10 is connected to core network 20.Telecommunication system 10 comprises radio access network 24.Radio access network 24 comprises one or more radio network controller node (RNC) 26 and radio base station (BS) 28.Explanation for example, Figure 1A specifically illustrates the i.e. first radio net Control Node 26 of two radio network controller nodes
1With the second radio net Control Node 26
2, and one or more grand radio base station (a grand radio base station 28 only is shown among Figure 1A
M) and a plurality of nano- micro-radio base stations 28
F1, 28
F2... 28
FxGrand radio base station 28
MServe macrocell C
MNano- micro-radio base stations 28
F1, 28
F2... 28
FxServe corresponding Femto cell C
F1, C
F2... C
FxFemto cell C
F1, C
F2... C
FxIn at least a portion geographically with macrocell C
MOverlapping or by its covering.
[00041] this paper employed " nano-micro-radio base stations " also has the pico radio base station of serving Femto cell (or picocell or Microcell) or the implication of little radio base station.Femto cell is overlapping with one or more macrocells usually, and serves geographic area or the subscriber district littler than macrocell.The techniques described herein need not for installing and/or reorientate that owner/operator by radio access network controls described installation or the nano-micro-radio base stations of reorientating is very favourable in radio access network.In other words, non-network operator entity (femto operator) can obtain nano-micro-radio base stations, and according to femto operator's preference nano-micro-radio base stations is set.
[00042] user equipment unit (UE) 30 shown in user equipment unit (UE), for example Figure 1A communicates with one or more sub-districts or one or more base station (BS) 28 by radio or air interface 32.User equipment unit can be a travelling carriage, mobile phone (" honeycomb " phone) and have the laptop computer of portable terminal for example, thereby can be for example portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and radio access network carry out voice and/or data communication.
[00043] as limiting examples, the radio access network 24 shown in Figure 1A can be a UMTS terrestrial radio Access Network (UTRAN).In UTRAN, radio inserts preferably based on Wideband Code Division Multiple Access (WCDMA) (WCDMA), and wherein each radio channel uses the CDMA spreading code to distribute.Certainly also can use other cut-in method.At the instance aspect of UTRAN, node 26 and 28 is called radio net Control Node and radio base station node respectively.But, should be appreciated that term " radio net control " and " radio base station " also comprise the node with identity function for the radio access network of other type.The telecommunication system of other type that comprises the radio access network of other type comprises: global system for mobile communications (GSM); Advanced mobile phone service (AMPS) system; Arrowband AMPS system (NAMPS); Total access communication system (TACS); Personal digital cellular (PDC) system; U.S.'s digital cellular (USDC) system; And the code division multiple access of describing among the EIA/TIA IS-95 (CDMA) system.
[00044] radio access network 24 is by interface, be connected to core network 20 as the Iu interface of UTRAN.The core network 20 of Figure 1A wherein can comprise mobile switching centre (MSC) node, gateway MSC node (GMSC), gateway general packet radio service (GPRS) support node (GGSN) and Serving GPRS Support Node (SGSN).Circuit switching (CS) network or packet switching (PS) network can be connected to core network 20.
[00045] for the sake of brevity, the radio access network 24 of Figure 1A is shown and only has two RNC nodes 26.A plurality of radio network controller nodes (RNC) can be provided, and wherein each RNC 26 is connected to one or more base stations (BS) 28.Be appreciated that the base station that radio net control 26 can be with the varying number shown in Figure 1A provides service, and RNC need not to serve the base station of equal number.In addition, RNC can be connected to one or more other RNC in the radio access network 24 by the Iur interface.Radio network controller node (RNC) 26 is by interface Iub and grand radio base station 28
MCommunicate.In addition, those skilled in the art it is also understood that, the base station, is called radio base station, Node B or B node sometimes again in this area as grand radio base station 28.In Figure 1A, in radio interface 32, Iu interface, Iur interface and the Iub interface each is shown by chain-dotted line.
[00046] Figure 1A also illustrates Iub interface by chain-dotted line, and it is present in nano-micro-radio base stations 28
fAnd between the RNC node 26.Iub interface preferably forms by Internet Protocol (IP) connection.
[00047] Figure 1A also illustrates, and the radio network controller node (RNC) of radio access network 24 has the access right to access control database 44.The isolated node that femto access control database 44 can be used as radio access network 24 provides, and as shown in the figure, perhaps can be the annex (for example being included in one or more radio network controller nodes (RNC) 26) of another RAN node.Perhaps, in some cases, even can provide visit by core network 20 to femto access control database 44.In the concrete radio access network 24 shown in Figure 1A, femto access control database 44 is shown and is connected to the radio network controller node, is connected to the first radio network controller node RN C 26 specifically
1With the second radio network controller node RN C 26
2
[00048] shown in the format sample as shown in Figure 4, femto access control database 44 is preserved or is listed and is allowed to use the user equipment unit of allowing that nano-micro-radio base stations conducts interviews.As shown in Figure 4, femto access control database 44 is formatted as,, lists the sign that respective femto radio base station is had the user equipment unit of allowing Access status in L the nano-micro-radio base stations each.The international mobile subscriber identity (IMSI) that an example of this sign of user equipment unit (UE) can be a user equipment unit.As mentioned below, femto access control database 44 is inquired about and is used for determining whether using the candidate user equipment unit of nano-micro-radio base stations visit radio access network that access right is provided to attempting.
[00049] Figure 1A can regard explanation nano-micro-radio base stations 28 as
FjTo radio access network (RAN), for example to its radio network controller node (as radio network controller node 26 under the situation about specifically illustrating
1) general access." general access " expression offers nano-micro-radio base stations 28
FjAccess can be that broadband fixed inserts or broadband wireless (moving) access (as WiMAX), as mentioned above.In broadband wireless (moving) inserts, nano-micro-radio base stations 28
FjAccess to radio access network 24 is undertaken by grand radio base station, and can use for example high-speed downlink packet access (HSDPA) and enhanced uplink or WiMAX to carry out.In order usually to adapt to access style, in Figure 1A, comprise nano-micro-radio base stations 28
FjNano-micro-radio base stations 28
fBe connected to communication network 38.An example of this communication network is an IP network 38.If do not offer some clarification in context, then the aspect of technology described herein is applicable to all types of accesses, comprises that broadband fixed inserts and access (for example broadband wireless access) is moved in the broadband.
[00050] Fig. 2 illustrates an example generic nano-micro-radio base stations 28
fSelected basic typical component units.Nano- micro-radio base stations 28
F1, 28
F2... 28
FxIn one or morely take general nano-micro-radio base stations 28 shown in Figure 2
fForm.The nano-micro-radio base stations 28 of Fig. 2
fBe shown except its other not shown component units and also comprise: interface unit 50 is used for being connected with radio net Control Node 26 by Iub interface; One or more radio-frequency (RF) transceiver 52; Optional UTAN receiver 54; And data handling system, part or unit 56.
[00051] IP interface unit 50 is conventional Iub interface unit, but has the connectedness to IP network.Therefore, as mentioned below, RNC 26 and nano-micro-radio base stations 28
fBetween connection for example preferably use transmission based on Internet Protocol (IP).
[00052] radio-frequency (RF) transceiver 52 is used for by radio or air interface and femto base station 28
fUser equipment unit (UE) communication in the Femto cell of service.The quantity of radio-frequency (RF) transceiver 52 depends on various factors, comprises the mobile ability that connects of nano-micro-radio base stations processing.
[00053] some nano-micro-radio base stations nodes also can comprise receiver 54, and it is used to receive the one or more scanning cell informations that receive Cell Broadcast CB to radio access network.For example, in an example implementation, nano-micro-radio base stations 28
fComprise or be equipped with WCDMA receiver (UE) as its radio frequency receiver 54, nano-micro-radio base stations can be preempted from can receiving the sub-district signal of (comprising WCDMA macrocell and Femto cell), and read in the related system or the network information of broadcasting in those sub-districts.
[00054] Fig. 3 illustrates the selected basic typical component units of an example radio network Control Node 26.Radio net Control Node 26 can comprise some interface units, for example comprises: interface unit 70 is used for by the Iu interface radio net Control Node 26 being connected to core network 20; Interface unit 72 is used for by the Iur interface radio net Control Node 26 being connected to other (not shown) radio network controller; One or more interface units 74 are used for by Iub interface radio net Control Node 26 being connected to corresponding one or more grand radio base stations 28
MAnd one or more interface units 76, be used for radio net Control Node 26 being connected to corresponding one or more nano-micro-radio base stations 28 by Iub interface
F1, 28
F2... 28
Fx RNC 26 and nano-micro-radio base stations 28
mBetween connection for example preferably use transmission based on Internet Protocol (IP).RNC 26 and grand radio base station 28
MBetween connection for example preferably use based on Internet Protocol (IP) and/or based on the transmission of ATM.
[00055] except interface unit, radio net Control Node 26 also comprises many unshowned component units and data handling system, part or unit 80.As shown in Figure 3, in a non-limiting example realized, the data handling system 80 of radio net Control Node 26 comprised: control section (for example controller 82); Switch unit 84; Combiner and separator unit 86 (for example related in handling the various branch that is connected); And nano-micro-radio base stations processor 88.Nano-micro-radio base stations processor 88 comprises the searcher interface 92 of femto access control database 44.
[00056] in the time shown in Figure 1A, user equipment unit (UE) 30 is just being managed via nano-micro-radio base stations 28
FjVisit radio access network 24.Nano-micro-radio base stations 28
FjActivate, and (for example radio network controller 26 to be connected to correct radio network controller node by the femto operator
2).Nano-micro-radio base stations 28
FjCan be connected to correct radio network controller node by variety of way.
[00057] as previously described, may exist for nano-micro-radio base stations 28
FjEconomic exclusivity.That is to say nano-micro-radio base stations 28
FjOwner/operator guard which user equipment unit and/or how many user equipment units utilize nano-micro-radio base stations 28
FjVisit radio access network 24.This guard for example produces due to the fact that: nano-micro-radio base stations 28
FjOwner/operator have a responsibility for the payment via nano-micro-radio base stations 28
FjConnection to radio access network 24; Perhaps owner/operator wants to guarantee to guarantee that the user equipment unit related with owner/operator's group, enterprise, SOHO or industry etc. is via nano-micro-radio base stations 28
FjVisit radio access network 24 has priority or private right than other user equipment unit that is not owner/operator's members such as group.
[00058] Figure 1A illustrates, and as incident or step S-1A, user equipment unit (UE) 30 (being called " candidate " user equipment unit in this article again) attempts using nano-micro-radio base stations 28
FjVisit radio access network 24.Candidate user equipment unit 30 attempts using nano-micro-radio base stations 28
FjA by way of example of visit radio access network 24 is that candidate user equipment unit 30 is attempted by nano-micro-radio base stations 28
FjSet up radio resource control (RRC) with radio access network 24 and be connected (RRC connects foundation).Therefore, as incident or step S-1A, candidate user equipment unit 30 is via nano-micro-radio base stations 28
FjTo radio network controller node 26
2Send the RRC connection and set up message.The RRC of step S-1A connects and sets up message and comprise the identification information relevant with candidate user equipment unit 30, for example IMSI of candidate user equipment unit 30.Nano-micro-radio base stations 28
FjBy Iub interface forwards is set up in the RRC connection of step S-1A and given radio network controller 26
2
[00059] when message was set up in the RRC connection that receives step S-1A, the RRC connection of step S-1A was set up access request intrinsic in the message by radio network controller node 26
2And specifically handle by nano-micro-radio base stations processor 88.Nano-micro-radio base stations processor 88 directs searcher interface 92 are prepared inquiry femto access control databases 44, make radio network controller node 26
2Can determine whether to permit candidate user equipment unit 30 via nano-micro-radio base stations 28
FjVisit radio access network 24.For this reason, Figure 1B illustrates radio network controller node 26
2Send inquiry to femto access control database 44, so that find out whether candidate user equipment unit 30 is nano-micro-radio base stations 28
FjAllowance user/client.Inquiry to femto access control database 44 comprises the identifier of candidate user equipment unit 30 and the nano-micro-radio base stations of seeking to permit 28
FjIdentifier.
[00060] Fig. 1 C illustrates, and as step or incident S-1C, femto access control database 44 receives from radio network controller 26
2Inquiry, and carry out specific nano-micro-radio base stations that whether search classify as in the query messages to be identified with the identifier (IMSI) of determining candidate user equipment unit 30, be nano-micro-radio base stations 28
FjAllow identifier.As shown in Figure 4, in an example arrangement of femto access control database 44, each nano-micro-radio base stations that is comprised for femto access control database 44, have the tabulation of permitting or allowing user equipment unit, this tabulation is preferably formatd according to user equipment unit identifier, for example IMSI.
[00061] Fig. 1 D also illustrates, and after femto access control database 44 had carried out its search, femto access control database 44 was to radio network controller node 26
2Return response.In its simple realization, whether response message (being expressed as step or incident S-1D in Fig. 1 D) just suggestion allows candidate user equipment unit 30 to use nano-micro-radio base stations 28
FjCarry out the RAN visit.
[00062] therefore, when candidate user equipment unit 30 via nano-micro-radio base stations 28
FjWhen setting up the RRC connection, the radio network controller node (is a radio network controller node 26 in the illustrated case
2) check that femto access control database 44 is so that determine this nano-micro-radio base stations 28
FjThe IMSI that allows whether just attempting setting up this connection.If femto access control database 44 allows candidate user equipment unit 30 to use nano-micro-radio base stations 28 in step S-1D indication
FjVisit radio access network 24, then (for example the radio network controller node 26 by the radio network controller node
2) approval RRC connection foundation.Fig. 1 E illustrates, as step or incident S-1E, radio network controller node 26
2To candidate user equipment unit 30 transmit status message.In candidate user equipment unit 30 are nano-micro-radio base stations 28
FjAllowance or allow that under the situation of user equipment unit, status message is taked the form of approval message.In candidate user equipment unit 30 is not nano-micro-radio base stations 28
FjAllowance or allow that under the situation of user equipment unit, status message is taked the form of refuse information.
[00063] in its simple form, the refuse information of step S-1E can comprise about refusal candidate user equipment unit 30 uses nano-micro-radio base stations 28
FjSimple notice.In other form, the refuse information of step S-1E can comprise and candidate user equipment unit is redirected to another frequency or to another sub-district or to the information of another radio access technologies network.In another form, the stand-by period that the refuse information of step S-1E can require candidate user equipment unit 30 to wait for and stipulate just attempts using nano-micro-radio base stations 28 once more
FjVisit radio access network 24.
[00064] therefore, if do not allow candidate user equipment unit 30 to use nano-micro-radio base stations 28
FjVisit radio access network 24, then (for example the radio network controller node 26 for RNC
2) refusal RRC connection foundation.RNC can be the different action of travelling carriage indication under the situation of refusal.These are all based on the current mechanism in the RRC agreement.
[00065] as shown in Figure 6, example states message 100 can comprise some fields of information unit (IE), and their indications will be moved by the difference that candidate user equipment unit 30 is taked in view of described refusal.Most importantly information unit (IE) 102 in field or the information unit (IE), its regulation allows or refuses candidate user equipment unit 30.This class field or information unit (IE) for example can comprise following one or more: " Reason For Denial IE " 104; " wait IE " 106; And/or " being redirected IE " 108.Therefore, as mentioned above, in its refuse information RNC can:
-with congested Reason For Denial IE 104 and/or the stand-by period IE 106 of being expressed as, up to allowing candidate user equipment unit 30 visit nano-micro-radio base stations 28 once more
FjThe sub-district till.Stand-by period also can be set to ' infinitely ', represents that transaction does not allow candidate user equipment unit 30 retries via nano-micro-radio base stations 28 hereto
FjSetting up RRC connects.
-another frequency of indication in redirection information IE 108.In this case, candidate user equipment unit 30 should find suitable sub-district on the frequency of indication, and the sub-district of the such indication of preemption.The frequency of this indication preferably is used for the frequency that grand WCDMA covers.
-(between RAT) cell information between the indication radio access technologies in redirection information IE 108.In this case, candidate user equipment unit 30 should find the suitable sub-district (being the GSM sub-district of gsm radio Access Network for example) of another radio access technologies when current wireless electricity access technology is UTRAN, and this alternative RAT sub-district of preemption.
[00066] is included in such as the information in the information units such as " Reason For Denial IE " 104, " wait for IE " 106 and " being redirected IE " 108 and can collects, perhaps alternatively by radio access network or collect by core network in some cases from other database or from the resource of the resource of radio network controller node visit or radio network controller node preservation itself.Under the situation of disapproving but still ordering candidate user equipment unit 30 " wait ", estimate at least in some cases when determining when congested last disappearance or weakening, whether will permit client's candidate user equipment unit subsequently and use nano-micro-radio base stations 28
FjIn the process, nano-micro-radio base stations 28
FjOwner/operator have certain input or judgment.For this reason, femto access control database 44 can comprise the additional Optional Field of information so that permit when such in professional qualification, for otherwise the candidate user equipment unit 30 of not allowing provides the client privilege.In other words, the user equipment unit that can allow to be configured to the client in femto access control database 44 is visited Femto cell C alternatively
Fj, but only permit (for example low congested) when such in professional qualification.
[00067] information that comprises in the status message of information such as step S-1E and Fig. 6 also can offer nano-micro-radio base stations 28 alternatively
Fj, perhaps need or wish or help knowing any other network node (grand or slight) of access request results.For example at other node (for example radio base station node) at present or may have the ability to handle wholly or in part in the architecture of access control in the future, it may be favourable that this information offers other node.
[00068] femto access control database 44 can be with the pre-configured and/or dynamic-configuration of the identification code of allowing user equipment unit that is allowed to use nano-micro-radio base stations to conduct interviews.In this respect, in RNC and in femto access control database 44, wait such as (for example) sequence number and identify nano-micro-radio base stations 28 with identifier
FjAt first, for example slightly/femto owner/operator buys or obtains the shop of femto base station or place, other point of sale and carry out related between sequence number and the mobile subscriber identification code (for example IMSI).In addition, also might nano-micro-radio base stations 28
FjThe owner/operator of femto/slightly define which mobile subscriber (for example which user equipment unit (UE)) and can visit nano-micro-radio base stations 28
FjFor example use service based on the World Wide Web (WWW) can realize this access control (no matter be long-range, subsequently and/or dynamic), wherein the owner of base station at first is authorized to, and can define the mobile subscriber of allowing or permitting then.Mobile subscriber preferably uses and identifies for MSISDN number, and then, service can be mapped to these values the IMSI value of user equipment unit, uses for femto access control database 44.
[00069] therefore, this technology makes femto RBS can really be exclusively used in one group of user.For example, if terminal use's oneself broadband connection is used for the transmission between base station and the RNC, if perhaps the terminal use has paid for certain WCDMA air capability among the femto RBS, then this specificity and exclusiveness are very important.
[00070] therefore, as an aspect of this technology, the access control database configuration is used for help (for example carrying out or auxiliary carrying out) and determines whether to use the candidate user equipment unit of nano-micro-radio base stations visit radio access network that the access right of visiting radio access network by nano-micro-radio base stations is provided to attempting.The access control database can be set to the isolated node of radio access network, perhaps is positioned at the radio network controller node of radio access network.
[00071] above-mentioned principle/method is also applicable to the radiotechnics different with WCDMA, and WCDMA only illustrates as an example.Other suitable technology includes but not limited to GSM, CDMA, WiMAX etc.This technology is concrete relevant with the system and the situation of above-mentioned and suitable description, but also applicable to other situation and other network.
[00072] though described and described various embodiment of the present invention in detail, claims are not limited to any specific embodiment or example.More than describe and be not appreciated that any concrete unit of expression, step, scope or function are indispensable.The present invention is not to be limited to the disclosed embodiments, but is intended to contain various modifications and equivalent.
Claims (14)
1. the method for operate wireless electricity Access Network (24) is characterized in that:
Maintenance is allowed to use nano-micro-radio base stations (28
f) database of allowing user equipment unit (44) that conducts interviews;
Use described database (44) to help determine whether to attempting using described nano-micro-radio base stations (28
f) candidate user equipment unit of visiting described radio access network (24) provides access right.
2. the method for claim 1, wherein said candidate user equipment unit (30) attempt using described nano-micro-radio base stations (28
f) visit described radio access network (24) and comprising: described candidate user equipment unit (30) is attempted by described nano-micro-radio base stations (28
f) set up dedicated radio link with described radio access network (24).
3. the method for claim 1, also comprise: only, just permit described candidate user equipment unit (30) and use described nano-micro-radio base stations (28 when described candidate user equipment unit (30) when to be that described database (44) is determined allow user equipment unit
f).
4. the method for claim 1, also comprise: if not to be described database (44) determined allows and then described candidate user equipment unit (30) is redirected to another frequency or another sub-district or another radio access technologies network by user equipment unit for described candidate user equipment unit (30).
5. the method for claim 1, also comprise:, then require described candidate user equipment unit (30) to wait for that the stand-by period of regulation just attempts using described nano-micro-radio base stations (28 once more if not to be described database (44) determined allows user equipment unit for described candidate user equipment unit (30)
f) visit described radio access network.
6. the method for claim 1 also comprises: with being allowed to use described nano-micro-radio base stations (28
f) identification code of allowing user equipment unit that conducts interviews disposes described access control database (44).
7. the method for claim 1 also comprises: to the node transmit status message of described radio access network (24), so that relevant described definite information is provided.
8. a radio access network (24) comprising:
Nano-micro-radio base stations (28
f), serve the Femto cell of described radio access network;
At least one radio network controller node, described at least one radio network controller node configuration is used to use described nano-micro-radio base stations (28
Fj) resource control being connected between user equipment unit and the described radio access network (24);
It is characterized in that:
Access control database (44), configuration are used for helping to determine whether to attempting using described nano-micro-radio base stations (28
f) candidate user equipment unit (30) of visiting described radio access network (24) provides access right.
9. device as claimed in claim 8, wherein said access control database (44) is set to the isolated node of described radio access network.
10. device as claimed in claim 8, wherein said access control database (44) are positioned at the radio network controller node (26) of described radio access network.
11. device as claimed in claim 8, wherein said access control database (44) configuration is used to respond the inquiry of described radio network controller node and helps to carry out described definite.
12. radio access network (a 24) node that comprises access control database (44), described access control database (44) configuration are used for helping to determine whether to attempting using nano-micro-radio base stations (28
f) visit radio access network (24) candidate user equipment unit (30) provide by described nano-micro-radio base stations (28
f) access right of visiting described radio access network (24).
13. device as claimed in claim 12, wherein said access control database (44) is set to the isolated node of described radio access network.
14. device as claimed in claim 12, wherein said access control database (44) are positioned at the radio network controller node (26) of described radio access network.
Applications Claiming Priority (7)
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| US72298205P | 2005-10-04 | 2005-10-04 | |
| US60/722,983 | 2005-10-04 | ||
| US60/722,984 | 2005-10-04 | ||
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| US60/723,946 | 2005-10-06 | ||
| US60/728,780 | 2005-10-21 | ||
| US60/731,495 | 2005-10-31 |
Publications (1)
| Publication Number | Publication Date |
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| CN101310551A true CN101310551A (en) | 2008-11-19 |
Family
ID=39996614
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| CNA2006800365201A Pending CN101310551A (en) | 2005-10-04 | 2006-10-03 | Access control in radio access network having pico base stations |
| CN2006800366100A Expired - Fee Related CN101278579B (en) | 2005-10-04 | 2006-10-03 | Automatic configuration of pico radio base station |
| CN2006800366079A Expired - Fee Related CN101278592B (en) | 2005-10-04 | 2006-10-03 | Paging for a radio access network having pico base stations |
| CNA2006800366914A Pending CN101278581A (en) | 2005-10-04 | 2006-10-03 | Automatic building of neighbor lists in mobile system |
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| CN2006800366100A Expired - Fee Related CN101278579B (en) | 2005-10-04 | 2006-10-03 | Automatic configuration of pico radio base station |
| CN2006800366079A Expired - Fee Related CN101278592B (en) | 2005-10-04 | 2006-10-03 | Paging for a radio access network having pico base stations |
| CNA2006800366914A Pending CN101278581A (en) | 2005-10-04 | 2006-10-03 | Automatic building of neighbor lists in mobile system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101278579B (en) | 2013-10-16 |
| CN101278581A (en) | 2008-10-01 |
| CN101278579A (en) | 2008-10-01 |
| CN101278592A (en) | 2008-10-01 |
| CN101278592B (en) | 2013-03-27 |
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