CN102378172A - Method and system for awakening home base station cell - Google Patents
Method and system for awakening home base station cell Download PDFInfo
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- CN102378172A CN102378172A CN2010102575630A CN201010257563A CN102378172A CN 102378172 A CN102378172 A CN 102378172A CN 2010102575630 A CN2010102575630 A CN 2010102575630A CN 201010257563 A CN201010257563 A CN 201010257563A CN 102378172 A CN102378172 A CN 102378172A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method and a system for awakening a home base station cell. The method comprises the following steps that: when user equipment (UE) which is covered by a source base station cell approaches a target home base station cell in which the UE resided, the UE reports proximity information (PI) to a network side; and after receiving the PI which is reported by the UE, the network side performs close subscriber group (CSP) verification and/or position information verification on the UE, and initiates the awakening process of the target home base station cell after the verification is passed. By the method, the home base station which is in an energy-saving state can be awakened accurately, and network coverage is provided for the UE while the unnecessary awakening of energy-saving base stations is reduced, so the energy-saving effect is achieved.
Description
Technical field
The present invention relates to the radio honeycomb communication field, relate in particular to a kind of method and system that wakes home base station cells up.
Background technology
Along with development of wireless communication devices,, the notion of Home eNodeB has been proposed for the coverage that increases grand network and for the user improves high-speed data service.Home eNodeB is the general designation of traditional-family base station (HNB, Home NodeB) and evolved Home eNodeB (HeNB, Home evolved NodeB), abbreviates H (e) NB as.H (e) NB is a kind of small-sized, lower powered base station; Be deployed in indoor places such as family and office; It mainly acts on is in order higher service rate to be provided to the user and to reduce and use the needed expense of high rate services, remedying the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of H (e) NB is economical, convenient, low-power output, plug and play etc.
The Home eNodeB user is through H (e) NB Access Network (AN; Access Network) is connected to the core net network; As depicted in figs. 1 and 2, Fig. 1 is the schematic network structure of HNB system in the prior art, and Fig. 2 is the schematic network structure of HeNB system in the prior art.Wherein (GW, Gateway) the common composition, the function that H (e) NB GW mainly carries out is H (e) NB AN: handle registration and the access control of H (e) NB, H (e) NB is verified, be responsible for the data of exchcange core net and H (e) NB by H (e) NB and H (e) NB gateway.H (e) MS (Home (e) NodeB Management System) system is the Home eNodeB management system; Home eNodeB is carried out operation maintenance management; According to Carrier Requirements configuration and control Home eNodeB, main be H (e) NB realization configuration management function, comprising the examining of positional information, carry out parameter configuration for H (e) NB; Be mainly concerned with core net (CN; Core Network) other parameter configuration of level, the parameter configuration of wireless access network (RAN, Radio Access Network) side and the parameter configuration of radio frequency (RF, Radio Frequency).For the HeNB system, HeNB can be not through HeNB GW and and Mobility Management Entity (MME, Mobile Management Entity) directly connect.
Along with the development of household base station technology, base station from home has been introduced the notion of closed signed user group (CSG, Close Subscriber Group).CSG is in order to carrying out grouping management to the user, and the prerequisite that the user belongs to a certain CSG is that international mobile subscriber identity (IMSI, International Mobile Subscriber Identity) and this CSG of its terminal equipment contracts.Be accompanied by the introducing of CSG notion, Home eNodeB has been introduced the notion to the CSG access module, and wherein, home base station access mode has three kinds, is respectively open (Open) access module, sealing (Close) access module and mixing (Hybrid) access module.Access module is the Home eNodeB of Open, allows signatory and non-contracted user to insert, and is as good as with normal macrocell; Access module is the Home eNodeB of Close, and only the signatory user of permission and this CSG inserts; And be the Home eNodeB of Hybrid for access module; Though allow signatory and non-contracted user to insert simultaneously; But contracted user's resource is superior to non-contracted user on using; Under the situation of resource anxiety, the Home eNodeB Priority Service might switch to non-contracted user other sub-district or discharge its signaling connection in the contracted user.Wherein, judges equipment (UE, User Equipment) is during with which kind of identity access network, can insert CSG tabulation (Allowed CSG List) according to the permission of UE and accomplish.Allowed CSG list is the information list of the signatory all CSG of UE, is stored in network side and UE respectively.If the CSG under the Home eNodeB that UE inserts is in the Allowed of UE CSG List, then UE gets into CSG contracted user identity; Otherwise the access of UE gets into the signatory identity of non-CSG.
For UE; Can the home base station cells information of its resident mistake be kept; Special, UE need keep the home base station cells information (comprising the home base station cells of closed mode and the home base station cells of mixed mode) that inserts with member's identity, for example: Physical Cell Identifier (PCI that can recording cell; Physical Cell Identity), the cellular global identity (ECGI of evolution; Evolved Cell Global Identifier), tracing area sign (TAI, Tracking Area Identity), CSG sign, positional information (location info) etc., these information are called footprint (footprint or fingerprint) information.When UE at connected state during once more near this sub-district, UE reports one near indication PI (Proximity Indication) to network side, this UE of informing network side on the geographical position near the home base station cells of resident mistake once.
In the macrocell of Long Term Evolution (LTE, Long Term Evolution), the realization of sub-district power saving function is closing and opening and accomplish through the sub-district mainly.When the sub-district prepares to get into power save mode, close by this eNB decision sub-district, and the state of contiguous this Serving cell of eNB of notice is to have got into energy-conservation closed condition.And the unlatching of sub-district is by waking up in abutting connection with eNB, through the sub-district activation command, generally is the adjacent area based on the demand of load etc., and wake up the sub-district that will be positioned at power save mode, for the user provides services on the Internet.
Energy-conservation for Home eNodeB, existing a kind of mode are that the PI through UE reports, as the triggering mode that wakes home base station cells up.When UE arrives the zone of the home base station cells of a resident mistake, but when not searching the signal of this sub-district, UE reports PI information, informs that but network side should have a sub-district here do not receive signal; After network side is received this PI information, confirm that corresponding district closes owing to energy-conservation, then network side can consider to wake up this home base station cells, for UE provides service.Yet there are following two problems in this mode of waking up:
One, the UE personation that can't avoid existing reports the situation of PI information;
Two, because Home eNodeB is a kind of portable set; The position of home base station cells may often change; And whether change, thereby also just can't wake this home base station cells accurately up in the existing geographical position that can't confirm home base station cells in the mode of waking up.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system that wakes home base station cells up, can't avoid the UE personation to report PI information and the problem that can't accurately wake home base station cells up to solve prior art.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method of waking home base station cells up, this method comprises:
The subscriber equipment (UE) that is positioned at the covering of source base station sub-district reports near indication (PI) information to network side when the target home base station cells of approaching resident mistake once;
After said network side is received the PI information that UE reports, said UE is carried out closed signed user group (CSG) checking and/or positional information checking, and checking through the time, initiate the wakeup process of said target home base station cells.
The frequency point information that comprises the target home base station cells in the said PI information, also comprise following content one of at least:
The cellular global identity of the evolution of target home base station cells (ECGI), tracing area sign (TAI), CSG sign, positional information, the positional information of UE should exist the sub-district still not receive the indication information of signal.
Said UE is carried out positional information checking, specifically comprises at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of target home base station cells is verified the positional information of the target home base station cells that said UE reports in PI information, whether the positional information of the target home base station cells of preserving with said gateway is consistent; The target Home eNodeB verifies whether the positional information of the target home base station cells of preserving in the said gateway is correct.
Said UE is carried out positional information checking, specifically comprises at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of Mobility Management Entity of network side (MME) and/or target home base station cells obtains the positional information of target home base station cells, and whether the positional information of the target home base station cells that obtains of the positional information of the target home base station cells that in PI information, reports of checking UE and the gateway of said MME and/or target home base station cells is consistent.
Said UE is carried out CSG checking, is specially:
The gateway of the MME of network side and/or target home base station cells is after carrying out CSG checking and passing through, and the target Home eNodeB is verified the correctness of said CSG sign.
Said UE is carried out CSG checking, is specially:
The MME of network side obtains the CSG sign of target home base station cells to the gateway of target Home eNodeB or target home base station cells, and whether the CSG sign of checking target home base station cells is in the CSG of UE tabulation.
This method further comprises: if CSG checking and/or positional information authentication failed, the target Home eNodeB turns back to source base station with correct positional information and/or CSG sign; Said source base station is given UE with correct positional information and/or CSG sign notice.
The positional information of said target home base station cells is following one or more combination: macrocell coverage information, geographical position, home base station network information.
The present invention also provides a kind of system that wakes home base station cells up, and this system comprises: network side and the UE that is positioned at the covering of source base station sub-district, wherein,
Said UE is used for when the target home base station cells of approaching resident mistake once, reporting PI information to network side;
Said network side, be used to receive the PI information that UE reports after, said UE is carried out CSG checking and/or positional information checking, and checking through the time, initiate the wakeup process of said target home base station cells.
The frequency point information that comprises the target home base station cells in the said PI information, also comprise following content one of at least:
The ECGI of target home base station cells, TAI, CSG sign, positional information, the positional information of UE should exist the sub-district still not receive the indication information of signal.
Said UE is carried out positional information checking, comprises at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of target home base station cells is verified the positional information of the target home base station cells that said UE reports in PI information, whether the positional information of the target home base station cells of preserving with said gateway is consistent; The target Home eNodeB verifies whether the positional information of the target home base station cells of preserving in the said gateway is correct.
Said UE is carried out positional information checking; At least one item that specifically comprises following content: said source base station is according to the positional information of target home base station cells and the positional information of UE; Whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of the MME of network side and/or target home base station cells obtains the positional information of target home base station cells, and whether the positional information of the target home base station cells that obtains of the positional information of the target home base station cells that in PI information, reports of checking UE and the gateway of said MME and/or target home base station cells is consistent.
Said UE is carried out CSG checking, is specially:
The gateway of the MME of network side and/or target home base station cells is after carrying out CSG checking and passing through, and the target Home eNodeB is verified the correctness of said CSG sign.
Said UE is carried out CSG checking, is specially:
The MME of network side obtains the CSG sign of target home base station cells to the gateway of target Home eNodeB or target home base station cells, and whether the CSG sign of checking target home base station cells is in the CSG of UE tabulation.
If CSG checking and/or positional information authentication failed, the target Home eNodeB turns back to source base station with correct positional information and/or CSG sign; Said source base station is given UE with correct positional information and/or CSG sign notice.
The positional information of said target home base station cells is following one or more combination: macrocell coverage information, geographical position, home base station network information.
A kind of method and system that wakes home base station cells up provided by the present invention; Through in the home base station cells wakeup process, verifying to the CSG authentication of UE with to the positional information of home base station cells; Not only avoided the UE personation to report the problem of PI information; Also can wake the Home eNodeB that is in power save mode accurately up, in the network coverage that necessity is provided for the user, reduce waking up of unnecessary energy-saving base station, thereby reach energy-conservation effect.
Description of drawings
Fig. 1 is the schematic network structure of HNB system in the prior art;
Fig. 2 is the schematic network structure of HeNB system in the prior art;
Fig. 3 is a kind of method flow diagram that wakes home base station cells up of the present invention;
Fig. 4 is the method flow diagram that wakes home base station cells up of the embodiment of the invention one;
Fig. 5 is the method flow diagram that wakes home base station cells up of the embodiment of the invention two;
Fig. 6 is the method flow diagram that wakes home base station cells up of the embodiment of the invention three;
Fig. 7 is the method flow diagram that wakes home base station cells up of the embodiment of the invention four.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further set forth in detail.
A kind of method of waking home base station cells up provided by the present invention, as shown in Figure 3, mainly may further comprise the steps:
After step 302, network side are received the PI information that UE reports, UE is carried out CSG checking and/or positional information checking, and checking through the time, initiate the wakeup process of target home base station cells.
Wherein, The frequency point information that comprises the target home base station cells in the PI information that UE reports; Also comprise following content one of at least: the ECGI of target home base station cells, TAI, CSG sign, positional information; The positional information of UE should exist the sub-district still not receive the indication information of signal.
To the positional information checking of UE, can adopt following dual mode:
Mode one; Verify at least one item of following content: source base station is according to the positional information of target home base station cells and the positional information of UE; Whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The positional information of the target home base station cells that the gateway of target home base station cells checking UE reports in PI information, whether the positional information of the target home base station cells of preserving with gateway is consistent; Whether the positional information of the target home base station cells of preserving in the target Home eNodeB validation gateway is correct;
Mode two; Verify at least one item of following content: source base station is according to the positional information of target home base station cells and the positional information of UE; Whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of the MME of network side and/or target home base station cells obtains the positional information of target home base station cells, and whether the positional information of the target home base station cells that obtains of the positional information of the target home base station cells that in PI information, reports of checking UE and the gateway of MME and/or target home base station cells is consistent.
To the CSG checking of UE, can adopt following dual mode:
Mode one, MME and/or GW carry out the checking of CSG, just carry out the access control of UE; The target Home eNodeB carries out the verification of correctness of CSG sign;
Mode two, MME obtains the CSG identification information to target HeNB2 or GW, MME carries out CSG sign checking pass through after, send message activation target home base station cells.
Further, if positional information checking and/or CSG authentication failed, the target Home eNodeB can turn back to source base station with correct positional information and/or CSG sign, and source base station can be notified UE with correct positional information and/or CSG sign.
In addition; Need to prove that the positional information of said target home base station cells can be following one or more combination: macrocell coverage information (Macro Coverage Information), geographical position (Geographic Location), home base station network information (HeNB Internet Information).Wherein, Macro Coverage Information is for UMTS Terrestrial radio access network (UTRAN; UMTS Terrestrial Radio Access Network) sub-district is meant, cell ID, public land mobile communication network sign (Public Land Mobile-communication Network identity), location area code (LAC; Location Area Code), Routing Area sign indicating number (RAC, Routing Area Code); Be meant cell ID, public land mobile communication network sign, LAC for the GSM sub-district; Be meant cell ID, TAC for LTE.Geographic Location can be information such as longitude and latitude, height above sea level, direction.HeNB Internet Information can be the IP address.
Below in conjunction with specific embodiment the above-mentioned method of waking home base station cells up is further set forth in detail.
In embodiments of the invention one; Adopt above-mentioned positional information verification mode one; The positional information that is the UE positional information and the UE that pass through PI information reporting Target cell is to source base station; Whether near Target cell, and whether checking target home base station cells is near the sub-district of the now resident source base station of UE according to the position of the positional information checking UE of the positional information of Target cell and UE for source base station; Gateway (the GW of Target cell; Whether the positional information of GateWay) also verifying the Target cell that UE reports in PI information is consistent with the positional information of the Target cell that GW preserves, and the Home eNodeB of Target cell verifies whether the positional information of the Target cell among the GW is correct.
As shown in Figure 4, concrete realization operation is described below:
UE is arranged in sub-district cell 1 and is in connected state, know UE near the home base station cells cell 2 of resident mistake once through methods such as footprint, but UE does not detect the signal of this sub-district (being cell 2).UE can notify base station 1 (being source base station) through the mode of PI information with the information that individual sub-district (being cell 2) should be arranged here.UE sends PI information to base station 1 (step 401); In PI information except the frequency point information that comprises cell 2; Also include ECGI, TAI, CSG sign, location info with the next item down or multinomial content: cell 2; But should there be the sub-district in the positional information of UE receive the indication information etc. of signal.
Cell 2 after this PI information is received in base station 1, closes, can carry out the checking (step 402) of positional information, if then can be opened in the position of the cell 2 that UE reports near cell 1 owing to energy-conservation if know sub-district cell 2; A request message (step 403) that activates cell 2 is sent to MME in base station 1; The global identity (Global id) and the TAI that contain target side in this request message; Global identity of source (Global id) and TAI, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.The target side here is meant the Home eNodeB HeNB2 under the cell 2, and source is meant base station 1.
Further, if reported the current position of UE in the PI information, then base station 1 needs judge that the current position of UE whether near cell 2, if not nearby, then do not send the request message of activation cell 2 to MME.
MME sends the GW (step 404) of this request message to HeNB2 after receiving the request message that activates cell 2, and is optional; GW can carry out the checking of a positional information; The positional information of this cell 2 of reporting of checking UE whether with GW in the positional information consistent (step 405) of the cell 2 that preserves, if positional information is consistent, then the request message of forwarding activation cell 2 is to target HeNB; Be HeNB2 (step 406), otherwise this home base station cells wakeup process finish.
After HeNB2 receives the request message of this activation cell 2; Optional; Carry out the checking (step 407) of location info, whether the positional information of checking cell 2 is correct, if correctly then get into open mode; Normal network service can be provided, and return and wake response message up to GW (step 408).GW will wake response message up and be back to base station 1 (step 409～410) through MME, thereby base station 1 is learnt cell 2 and waken up.If the positional information failure of HeNB2 checking cell 2; HeNB2 can turn back to base station 1 with correct location info; This wakes the Global id and the TAI of the Global id that contains target side in the response message and TAI, source up so, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.
Optional, base station 1 can send to UE through idle message after receiving correct location info, and UE can carry out the renewal (step 411) of footprint information; Perhaps, the positional information mistake of its cell that reports 2 of UE also can only be notified in base station 1.
Further, if base station 1 is to belong to the Home eNodeB under the same GW with HeNB2, the request message that then activates cell 2 with wake response message up and need not come transfer through MME.
Further,, but directly be connected, then activate the request message of cell 2 and wake response message up and need not come transfer through GW with MME if HeNB2 is not connected with GW, GW also not executing location verify.
In embodiments of the invention two, adopt above-mentioned positional information verification mode two, whether the position of source base station checking UE is positioned near the Target cell, and whether checking target home base station cells is near the sub-district of the now resident source base station of UE; MME obtains the positional information of Target cell, and whether the positional information of the Target cell that returns of the positional information of the Target cell that in PI information, reports of checking UE and target Home eNodeB is consistent.
As shown in Figure 5, concrete realization operation is described below:
UE is arranged in sub-district cell 1 and is in connected state, know UE near the home base station cells cell 2 of resident mistake once through methods such as footprint, but UE does not detect the signal of this sub-district (being cell 2).UE can notify base station 1 (being source base station) through the mode of PI information with the information that individual sub-district (being cell 2) should be arranged here.UE sends PI information to base station 1 (step 501); In PI information except the frequency point information that comprises cell 2; Also contain ECGI, TAI, CSG sign, location info with the next item down or multinomial content: cell 2; But should there be the sub-district in the positional information of UE receive the indication information etc. of signal.
Cell 2 after this PI information is received in base station 1, closes, then can carry out the checking (step 502) of positional information, if then can be opened in the position of the cell 2 that UE reports near cell 1 owing to energy-conservation if know sub-district cell 2; A request message (step 503) that activates cell 2 is sent to MME in base station 1; The Global id and the TAI that contain target side in this request message; The Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.The target side here is meant the Home eNodeB HeNB2 under the cell 2, and source is meant base station 1.
Further, if reported the current position of UE in the PI information, then base station 1 needs judge that the current position of UE whether near cell 2, if not nearby, then do not send the request message of activation cell 2 to MME.
After MME receives the request message that activates cell 2, obtain the positional information (step 504～505) of cell 2 to target HeNB2; And utilize the positional information of the cell 2 that target HeNB2 returns to verify (step 506); Whether the positional information of the cell 2 that checking UE reports is consistent with the positional information of the cell 2 that target HeNB2 returns; If it is consistent; The request message that then send to activate cell 2 wakes (step 507～508) up to target HeNB2, otherwise finishes to wake up flow process.
Further, the checking of this positional information can realize that also GW can obtain the positional information of cell 2 to target HeNB2 at GW, utilizes the positional information of the cell 2 that target HeNB2 returns to verify.Whether the positional information of the cell 2 that reports of checking UE is consistent with the positional information of the cell 2 that target HeNB2 returns, if consistent, then the request message of transmission activation cell 2 wakes up to target HeNB2.Optional, GW also can obtain the positional information of cell 2 from webmaster.
Optional, MME can send to base station 1 with correct location info, and base station 1 can send to UE, and UE can carry out the renewal of footprint information; Perhaps, the positional information mistake of its cell that reports 2 of UE also can only be notified in base station 1.
After HeNB2 receives the request message of this activation cell 2, get into state of activation, and return and wake response message to base station 1 up, notice activates successfully (step 509～511).Wake the Global id and the TAI that contain target side in the response message up, the Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.
Further, if base station 1 is to belong to the Home eNodeB under the same GW with HeNB2, the request message that then activates cell 2 with wake response message up and need not come transfer through MME, can only need GW to carry out location verification, not executing location checking of MME.
Further, if HeNB2 is not connected with GW, but directly be connected with MME, then activate the request message of cell 2 and wake response message up and need not come transfer through GW, can only need MME to carry out location verification, GW not executing location verifies.
In embodiments of the invention three, adopt above-mentioned CSG verification mode one, MME and/or GW carry out the checking of CSG, just carry out the access control of UE; The target Home eNodeB carries out the verification of correctness of CSG sign.When this mode just is the member of home base station cells to UE, just activate home base station cells.
As shown in Figure 6, concrete realization operation is described below:
UE is arranged in sub-district cell 1 and is in connected state, know UE near the home base station cells cell 2 of resident mistake once through methods such as footprint, but UE does not detect the signal of this sub-district (being cell 2).UE can notify base station 1 (being source base station) through the mode of PI information with the information that individual sub-district (being cell 2) should be arranged here.UE sends PI information to base station 1 (step 601); In PI information except the frequency point information that comprises cell 2; Also contain ECGI, TAI, CSG sign, location info with the next item down or multinomial content: cell 2; But should there be the sub-district in the positional information of UE receive the indication information etc. of signal.
After this PI information is received in base station 1; If knowing sub-district cell 2 closes owing to energy-conservation; Then can ask to open cell 2, a request message (step 602) that activates cell 2 is sent to MME in base station 1, contains the Global id and the TAI of target side in this request message; The Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.The target side here is meant the Home eNodeB HeNB2 under the cell 2, and source is meant base station 1.
After MME receives the request message that activates cell 2; UE is carried out CSG checking (step 603), just carry out the access control of UE, checking here is meant that the CSG sign of cell 2 is whether in the CSG of UE tabulation; If pass through, the request message that then sends activation cell 2 is to GW (step 604).
Optional; GW can carry out a CSG checking (step 605); Just carry out the access control of UE; Whether the CSG sign of the cell 2 that reports of checking UE is the CSG sign of the cell 2 that preserves among the GW, transmit if the information of CSG sign is correct activate cell 2 request message to target HeNB2 (step 606), otherwise finish.
After HeNB2 receives the request message of this activation cell 2; Optional, carry out the verification of correctness (step 607) that CSG identifies, whether the CSG sign of the cell 2 in the checking request message is correct; If correctly then get into open mode, and return and wake response message up to GW (step 608).GW will wake response message up and be back to base station 1 (step 609～610) through MME.If HeNB2 authentication failed; HeNB2 can turn back to base station 1 with correct location info; This wakes Global id and the TAI that contains target side in the response message up so; The Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.
Optional, base station 1 can send to UE (step 611) through idle message after receiving correct CSG sign, and UE can carry out the renewal of footprint information; Perhaps, the information errors of the CSG sign of its cell that reports 2 of UE also can only be notified in base station 1.
Further, if base station 1 is to belong to the Home eNodeB under the same GW with HeNB2, the request message that then activates cell 2 with wake response message up and need not come transfer through MME, can only need GW to carry out the CSG checking, MME does not carry out the CSG checking.Further, GW can only verify whether the CSG sign of cell 1 and cell 2 is consistent, if consistent, then the CSG checking is passed through.
Further,, but directly be connected, then activate the request message of cell 2 and wake response message up and need not come transfer, can only need MME to carry out CSG and verify that GW does not carry out CSG and verifies through GW with MME if HeNB2 is not connected with GW.
In embodiments of the invention four, adopt above-mentioned CSG verification mode two, MME obtains the CSG identification information to target HeNB2 or GW, MME carries out CSG sign checking pass through after, just can send message activation target home base station cells.When this mode just is the member of home base station cells to UE, just activate home base station cells.
UE is arranged in sub-district cell 1 and is in connected state, know UE near the home base station cells cell 2 of resident mistake once through methods such as footprint, but UE does not detect the signal of this sub-district (being cell 2).UE can notify base station 1 (being source base station) through the mode of PI information with the information that individual sub-district (being cell 2) should be arranged here.UE sends PI information to base station 1 (step 701); In PI information except the frequency point information that comprises cell 2; Also contain ECGI, TAI, CSG sign, location info with the next item down or multinomial content: cell 2; But should there be the sub-district in the positional information of UE receive the indication information etc. of signal.
After this PI information is received in base station 1; If knowing sub-district cell 2 closes owing to energy-conservation; Then can ask to open cell 2, a request message (step 702) that activates cell 2 is sent to MME in base station 1, contains the Global id and the TAI of target side in this request message; The Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.The target side here is meant the Home eNodeB HeNB2 under the cell 2, and source is meant base station 1.
After MME receives the message 1 of the request of activation; Obtain the CSG identification information to target HeNB2 or GW; MME sends the request message of CSG identification information to HeNB or GW; The information such as ECGI of portability Target cell cell 2 in this request message, HeNB or GW can return the response message of CSG identification information, information (step 703～704) such as the ECGI of portability Target cell cell 2, CSG sign in this request message.MME obtains carrying out CSG Information Authentication (step 705) behind the CSG identification information of cell 2; Whether the CSG sign of promptly verifying cell 2 is in the CSG of this UE tabulation; Just carry out the access control of UE; If checking is passed through, the request message that then send to activate cell 2 wakes (step 706～707) up to target HeNB2; Otherwise, finish to wake up flow process.
Optional, MME can send to base station 1 with correct CSG sign, and base station 1 can send to UE, and UE can carry out the renewal of footprint information; Perhaps, the CSG identification information mistake of its cell that reports 2 of UE also can only be notified in base station 1.
After HeNB2 receives the request message of this activation cell 2; Get into state of activation; And return and wake response message to base station 1 (step 708～710) up; The Global id and the TAI that contain target side in this message, the Global id and the TAI of source, and in the information such as ECGI of cell 2, CSG sign, location info one or multinomial.
Further, if base station 1 is to belong to the Home eNodeB under the same GW with HeNB2, the request message that then activates cell 2 with wake response message up and need not come transfer through MME, can only need GW to carry out the CSG checking, MME does not carry out the CSG checking.Further, GW can only verify whether the CSG sign of cell 1 and cell 2 is consistent, if consistent, then the CSG checking is passed through.
Further,, but directly be connected, then activate the request message of cell 2 and wake response message up and need not come transfer, can only need MME to carry out CSG and verify that GW does not carry out CSG and verifies through GW with MME if HeNB2 is not connected with GW.
The corresponding above-mentioned method of waking home base station cells up, the present invention also provides a kind of system that wakes home base station cells up, comprising: network side and the UE that is positioned at the covering of source base station sub-district.Wherein, UE is used for when the target home base station cells of approaching resident mistake once, reporting PI information to network side; Network side, be used to receive the PI information that UE reports after, UE is carried out CSG checking and/or positional information checking, and checking through the time, initiate the wakeup process of target home base station cells.Described in concrete the CSG checking and positional information verification operation such as preceding method, repeat no more here.
Need to prove, for the wakeup process of HeNB, the present invention can adopt CSG checking and positional information verify in one or two, also can be conditional.Thereby can improve the specific aim of waking up from the HeNB sub-district of power save mode, can be better energy-conservation.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (16)
1. a method of waking home base station cells up is characterized in that, this method comprises:
The subscriber equipment (UE) that is positioned at the covering of source base station sub-district reports near indication (PI) information to network side when the target home base station cells of approaching resident mistake once;
After said network side is received the PI information that UE reports, said UE is carried out closed signed user group (CSG) checking and/or positional information checking, and checking through the time, initiate the wakeup process of said target home base station cells.
2. according to the said method of waking home base station cells up of claim 1, it is characterized in that, comprise the frequency point information of target home base station cells in the said PI information, also comprise following content one of at least:
The cellular global identity of the evolution of target home base station cells (ECGI), tracing area sign (TAI), CSG sign, positional information, the positional information of UE should exist the sub-district still not receive the indication information of signal.
3. according to the said method of waking home base station cells up of claim 2, it is characterized in that, said UE carried out positional information checking, specifically comprise at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of target home base station cells is verified the positional information of the target home base station cells that said UE reports in PI information, whether the positional information of the target home base station cells of preserving with said gateway is consistent; The target Home eNodeB verifies whether the positional information of the target home base station cells of preserving in the said gateway is correct.
4. according to the said method of waking home base station cells up of claim 2, it is characterized in that, said UE carried out positional information checking, specifically comprise at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of Mobility Management Entity of network side (MME) and/or target home base station cells obtains the positional information of target home base station cells, and whether the positional information of the target home base station cells that obtains of the positional information of the target home base station cells that in PI information, reports of checking UE and the gateway of said MME and/or target home base station cells is consistent.
5. according to the said method of waking home base station cells up of claim 2, it is characterized in that, said UE carried out CSG checking, be specially:
The gateway of the MME of network side and/or target home base station cells is after carrying out CSG checking and passing through, and the target Home eNodeB is verified the correctness of said CSG sign.
6. according to the said method of waking home base station cells up of claim 2, it is characterized in that, said UE carried out CSG checking, be specially:
The MME of network side obtains the CSG sign of target home base station cells to the gateway of target Home eNodeB or target home base station cells, and whether the CSG sign of checking target home base station cells is in the CSG of UE tabulation.
7. according to each said method of waking home base station cells up of claim 1 to 6; It is characterized in that; This method further comprises: if CSG checking and/or positional information authentication failed, the target Home eNodeB turns back to source base station with correct positional information and/or CSG sign; Said source base station is given UE with correct positional information and/or CSG sign notice.
8. according to each said method of waking home base station cells up of claim 2 to 6; It is characterized in that the positional information of said target home base station cells is following one or more combination: macrocell coverage information, geographical position, home base station network information.
9. a system that wakes home base station cells up is characterized in that, this system comprises: network side and the UE that is positioned at the covering of source base station sub-district, wherein,
Said UE is used for when the target home base station cells of approaching resident mistake once, reporting PI information to network side;
Said network side, be used to receive the PI information that UE reports after, said UE is carried out CSG checking and/or positional information checking, and checking through the time, initiate the wakeup process of said target home base station cells.
10. according to the said system that wakes home base station cells up of claim 9, it is characterized in that, comprise the frequency point information of target home base station cells in the said PI information, also comprise following content one of at least:
The ECGI of target home base station cells, TAI, CSG sign, positional information, the positional information of UE should exist the sub-district still not receive the indication information of signal.
11., it is characterized in that according to the said system that wakes home base station cells up of claim 10, said UE is carried out positional information checking, comprise at least one of following content:
Said source base station is according to the positional information of target home base station cells and the positional information of UE, and whether the position of checking UE is near the target home base station cells, and whether checking target home base station cells is near the sub-district of the current resident source base station of UE; The gateway of target home base station cells is verified the positional information of the target home base station cells that said UE reports in PI information, whether the positional information of the target home base station cells of preserving with said gateway is consistent; The target Home eNodeB verifies whether the positional information of the target home base station cells of preserving in the said gateway is correct.
12. according to the said system that wakes home base station cells up of claim 10; It is characterized in that; Said UE is carried out positional information checking; Specifically comprise at least one of following content: said source base station is according to the positional information of target home base station cells and the positional information of UE, and the position of checking UE and verifies that the target home base station cells is whether near the sub-district of the current resident source base station of UE whether near the target home base station cells; The gateway of the MME of network side and/or target home base station cells obtains the positional information of target home base station cells, and whether the positional information of the target home base station cells that obtains of the positional information of the target home base station cells that in PI information, reports of checking UE and the gateway of said MME and/or target home base station cells is consistent.
13., it is characterized in that according to the said system that wakes home base station cells up of claim 10, said UE is carried out CSG checking, be specially:
The gateway of the MME of network side and/or target home base station cells is after carrying out CSG checking and passing through, and the target Home eNodeB is verified the correctness of said CSG sign.
14., it is characterized in that according to the said system that wakes home base station cells up of claim 10, said UE is carried out CSG checking, be specially:
The MME of network side obtains the CSG sign of target home base station cells to the gateway of target Home eNodeB or target home base station cells, and whether the CSG sign of checking target home base station cells is in the CSG of UE tabulation.
15., it is characterized in that if CSG checking and/or positional information authentication failed, the target Home eNodeB turns back to source base station with correct positional information and/or CSG sign according to the said system that wakes home base station cells up of claim 9 to 14; Said source base station is given UE with correct positional information and/or CSG sign notice.
16. according to each said system that wakes home base station cells up of claim 10 to 14; It is characterized in that the positional information of said target home base station cells is following one or more combination: macrocell coverage information, geographical position, home base station network information.
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| PCT/CN2011/076214 WO2012022196A1 (en) | 2010-08-16 | 2011-06-23 | Method and system for waking up home (evolved) nodeb (h(e)nb) cell |
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| CN104885532A (en) * | 2012-12-21 | 2015-09-02 | 奥林奇实验室 | Method for waking up a base station serving a small cell when an incoming call arrives |
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| CN104349362B (en) * | 2013-08-07 | 2019-09-24 | 中兴通讯股份有限公司 | A kind of PI report method, system and UE, the network equipment |
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| CN102378172B (en) | 2016-09-28 |
| WO2012022196A1 (en) | 2012-02-23 |
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