CN107295582A - The recognition methods of adjacent base station and system, the collocation method of Base Station Identification and system - Google Patents

The recognition methods of adjacent base station and system, the collocation method of Base Station Identification and system Download PDF

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Publication number
CN107295582A
CN107295582A CN201610203886.9A CN201610203886A CN107295582A CN 107295582 A CN107295582 A CN 107295582A CN 201610203886 A CN201610203886 A CN 201610203886A CN 107295582 A CN107295582 A CN 107295582A
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base station
station identification
identification
extended
basic
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CN107295582B (en
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许森
刘悦
孙震强
张光辉
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of Base Station Identification recognition methods of adjacent base station and system and the collocation method and system of Base Station Identification, it is related to the communications field, the Base Station Identification recognition methods of adjacent base station therein includes：Source base station receives the ECGI of the adjacent cell of end side transmission；Source base station judges whether to be configured as opening flexible Base Station Identification recognition mode；If it is, source base station extracts the first eNB ID being made up of basic Base Station Identification and extended base station mark from ECGI；Source base station is sent to core net carries basic Base Station Identification, the target BS mark identification request of extended base station mark；Core net is to source base station feedback addresses recognition result.The method and system of the present invention, realize the scheme of the addressing capacity of lifting Base Station Identification, reduce the idle waste of unnecessary cell ID addressing, and the problem that interconnects under different length Base Station Identification mixed networking scene can be solved, and on terminal without influence, there are good backwards compatibility and deployment feasibility.

Description

The recognition methods of adjacent base station and system, the collocation method of Base Station Identification and system
Technical field
The present invention relates to communication technical field, more particularly to a kind of adjacent base station Base Station Identification recognition methods and system and The collocation method and system of Base Station Identification.
Background technology
ECGI (E-UTRAN Cell Global Identifier, E-UTRAN Cell Global Identifier) has the whole world only One property, is made up of PLMN ID, eNodeB ID, the parts of Cell ID tri-.Such as Fig. 1 institutes, ECGI can be used for identifying a cell (or contained fan), in establishment base station and cell data, is sent to terminal network selection, auxiliary SON (Self- by broadcast message Organized Networks, self-organizing network) in function and positioning service, charging bill under the scene such as differentiated service spot Have an effect.PLMN ID (Public Land Mobile Network, public land mobile network) are mobile network number, ENodeB (Evolved Node B, evolved Node B) ID abbreviation eNB ID, for mark base station, macro base station has 20 bit groups Into 5 16 scale codings, the X1X2X3X4X5 in such as Fig. 1.Cell ID are used to identify the cell under base station, totally 8 bit compositions 2 X6X7 in individual 16 scale coding, such as Fig. 1.According to current specification, there are 2 two kinds of base stations at present：Macro base station and Home eNodeB.It is grand The eNB-ID of base station has 20 bits, about supports 1,040,000 base stations, and Cell ID have 8 bits to support maximum 256 cells.Family The eNB ID of base station have 28 bits, only support a cell.
With the intensification of China's deployment of LTE network, the mark upper limit of 1,040,000 base stations can not meet the need of operator Will, therefore have the demand expanded eNB ID, at the same time, Rel12 and before version specification in, carrier aggregation The polymerization of technology 5 carrier waves of maximum only support, as long as therefore 4 bits can meet need for the base station of 3 sectors Ask, can so cause 4 extra bit Cell ID to waste.Because ECGI is the important information of Cell Broadcast CB, adjustment ECGI's is total It is incompatible, it is necessary to consider on the basis of existing ECGI for eNB ID and Cell that length inevitably results in existing terminal appearance ID is repartitioned, to meet the demand of operator.For eNB ID and Cell ID repartition can to core net and Base station produces many influences.For example, when S1 interfaces are set up, MME (Mobility Management Entity, it is mobile Management entity) to need to know what base station took actually be the Base Station Identification of 20 bits or other bits, and it is right in Current protocol The Base Station Identification configured information of 20 bits is only supported in macro base station.In SON ANR (Automatic Neighbor Relation, Automatic Neighboring Relation) during, after terminal has reported the ECGI information of adjacent area, source base station needs that mesh can be distinguished What mark cell was configured actually is the Base Station Identification of 20 bits or other bits.As shown in Fig. 2 due to not allowing influence terminal empty Mouthful, it cannot be distinguished by the Base Station Identification length that adjacent area is used in the information that terminal is currently reported；Distinguished not according to PCI subregions With the Base Station Identification or the mode of manual configuration of length, human configuration workload can be caused to increase and PCI planning difficulty increasings Plus；SON automatically configure X2 interface during, source base station needs to select suitable Base Station Identification length to be sent to core net use In addressing：Due to not knowing the identification length of adjacent base station, the selection length version of mistake may cause the IP address of mistake to be fed back, So as to increase the probability of failure of X2 interface foundation.Certain change is carried out in view of the above-mentioned problems, needing to realize in standard and equipment Enter, so as to ensure follow-up network and being smoothed out for implementing.
The content of the invention
In view of this, the invention solves the problems that a technical problem be to provide the Base Station Identification recognition methods of adjacent base station a kind of With system and the collocation method and system of Base Station Identification.
According to an aspect of the present invention there is provided a kind of Base Station Identification recognition methods of adjacent base station, including：Source base station is received The ECGI of the adjacent cell sent to end side；The source base station judges whether to be configured as opening flexible Base Station Identification identification mould Formula；If it is, source base station is extracted by basic Base Station Identification and extension base according to default configuration information from the ECGI First eNB ID of station identifications composition；The source base station sends to core net and carries the basic Base Station Identification, the extension The target BS mark identification request of Base Station Identification；The core net is to the source base station feedback addresses recognition result, the source Base station is determined based on the Address Recognition result and preserves the Base Station Identification belonging to adjacent cell.
Alternatively, Cell Identity IE preceding 20 bits are used as the basic base in the source base station extraction ECGI Station identifications；The 21-20+X bits that the source base station extracts the Cell Identity IE are used as the extended base station mark Know.
Alternatively, the X is the maximum Base Station Identification extended bit number that network management system is configured；Wherein, the X be 1,2,3, A numerical value in 4.
Alternatively, the source base station is sent to core net carries the basic Base Station Identification, extended base station mark Target BS mark identification request include：The source base station is sent for recognizing that target BS is identified by S1 interfaces to MME Request message；Wherein, the information that the request message is carried at least includes：The basic Base Station Identification, the extended base station Mark, identification request mark.
Alternatively, the core net includes to the source base station feedback addresses recognition result：The MME receives described ask Message is sought, the basic Base Station Identification and extended base station mark are carried out with the base station identification information that the MME has been recorded Matching, and recognition result response message is sent to the source base station by S1 interfaces according to matching result.
Alternatively, the Base Station Identification basic Base Station Identification and extended base station mark recorded with the MME Information is matched, included by S1 interfaces to source base station transmission matching result：The MME is by the basic Base Station Identification Identify and matched with the Base Station Identification record in Base Station Identification list with the extended base station, judged whether corresponding Target eNB ID.If there is the target eNB ID, then the MME sends to the source base station and carries the target eNB ID and identification successful information the recognition result response message；If there is no the target eNB ID, then the MME is to institute State source base station and send the recognition result response message for carrying failure cause.
Alternatively, the failure cause includes：Base Station Identification is not present.
Alternatively, the MME is by the basic Base Station Identification and extended base station mark and in Base Station Identification list Base Station Identification record matched, judge whether that corresponding target eNB ID include：In the Base Station Identification list In, it is determined that the Base Station Identification with the basic Base Station Identification is recorded as candidate base station identification record, and set up candidate's extension Base Station Identification set A1, wherein, the element in A1 identifies for the extended base station of the candidate base station identification record；The MME is Each element in A1 sets a matching factor, and is initialized as 0；The MME is since the highest-order bit, by the extension Value of the bit value of Base Station Identification respectively with the element in the A1 on corresponding bit position is matched, and is if the same determined The match is successful, adds 1 by the matching factor corresponding to the element that the match is successful；Wherein, after one bit of every matching, judge whether In the presence of a maximum matching factor, if it is, exiting matching process, the time corresponding to the maximum matching factor is determined Select Base Station Identification to be recorded as the target eNB ID, if it is not, then selection matching factor highest and identical two or more Element identifies with the extended base station and carries out matching for following bit position；If the extended base station identify all bits all After being matched, the corresponding matching factor of each element in the A1 is 0, it is determined that the target eNB ID are described Basic Base Station Identification.
Alternatively, if A1 is sky, MME determines that the target eNB ID are the basic Base Station Identification
Alternatively, in the case where closing flexible Base Station Identification recognition mode, the source base station extracted from the ECGI the Preceding 20 bits that two eNB ID are Cell Identity IE in ECGI.
Alternatively, including：First network management system be the source base station configuration whether open flexible Base Station Identification recognition mode, And the configuration information is set；Wherein, the configuration information includes：Maximum Base Station Identification extended bit number X value.
According to another aspect of the present invention there is provided a kind of collocation method of Base Station Identification, including：Macro base station judges whether It is configured as opening base station mode of extension；If it is, the macro base station is basic by first according to the generation of default configuration information 3rd eNB ID of Base Station Identification and extended base station mark composition；The macro base station sends to core net and carries the described 3rd ENB ID S1 interfaces set up request；The core net returns to S1 interfaces and sets up response message, notify S1 interfaces set up result with And for the result of the 3rd eNB ID.
Alternatively, if configured as base station mode of extension is not turned on, then the macro base station is according to default configuration information The 4th eNB ID are generated, the 4th eNB ID only include the second basic Base Station Identification；The macro base station sends to core net and taken S1 interfaces with the 4th eNB ID set up request；The core net returns to S1 interfaces and sets up response message, notifies S1 to connect Mouth sets up result and the result for the 4th eNB ID.
Alternatively, the described first basic Base Station Identification and bit number shared by the second basic Base Station Identification are all 20 ratios It is special；The shared bit number of the extended base station mark is the extended bit number W that network management system is configured.
Alternatively, the bit number shared by the first Cell ID that the macro base station is generated in the case where opening base station mode of extension It is 28 with the bit number sum that the 3rd eNB ID take；The of generation of the macro base station in the case where closing base station mode of extension The bit number sum that bit number shared by two Cell ID takes with the 4th eNB ID is also 28.
Alternatively, the extended bit number W is less than or equal to 4.
Alternatively, the macro base station sends to mobile management entity MME and carries the described first basic Base Station Identification and expansion The S1 interfaces for opening up Base Station Identification set up request；Or the macro base station sends to the MME and only carries the described second basic base station The S1 interfaces of mark set up request.
Alternatively, set up and ask when the S1 interfaces that the macro base station carries the 3rd eNB ID to core net transmission When, the macro base station the S1 interfaces set up request in Globe eNB ID in insert the described first basic Base Station Identification and The extended base station mark；Set up and ask when the S1 interfaces that the macro base station carries the 4th eNB ID to core net transmission When, the macro base station inserts the described second basic Base Station Identification in the Globe eNB ID that the S1 interfaces set up in request.
Alternatively, the MME has remembered the described first basic Base Station Identification and extended base station mark with the MME Basic Base Station Identification and the extended base station mark of record are matched, and check whether there is identical basic Base Station Identification With extended base station mark；If it is not, then the MME records the described first basic Base Station Identification and extended base station mark, to The macro base station sends S1 interface response messages, notifies S1 connections to be successfully established；If it is, the MME is to the macro base station S1 interface failed messages are sent, S1 connection failures are notified, and the first error reason is carried in this S1 interface response message.
Alternatively, the basic Base Station Identification that the MME has recorded the described second basic Base Station Identification and the MME is carried out Matching, checks whether and has been recorded with identical basic Base Station Identification；If it is not, then the MME records second base This Base Station Identification, S1 interface response messages are sent to the macro base station, notify S1 connections to be successfully established；If it is, the MME S1 interface failed messages are sent to the macro base station, S1 connection failures are notified, and second is carried in this S1 interface response message Error reason.
Alternatively, first error reason is that extended base station identifies repetition；Second error reason is basic base station Mark is repeated.
Alternatively, the second network management system is matched somebody with somebody for whether macro base station configuration opens described in base station mode of extension and setting Confidence ceases；Wherein, the configuration information includes：The value of the extended bit number W.The extended bit number W is opening base station expansion Under exhibition pattern effectively.
According to a further aspect of the invention there is provided a kind of Base Station Identification identifying system of adjacent base station, including：Source base station and Equipment of the core network；The source base station includes：Identifier receiving module, the ECGI of the adjacent cell sent for receiving terminal side；Mould Formula judge module, for judging whether to be configured as opening flexible Base Station Identification recognition mode；Marker extraction module, for working as quilt When being configured to open flexible Base Station Identification recognition mode, then extracted according to default configuration information from the ECGI by basic First eNB ID of Base Station Identification and extended base station mark composition；Request sending module is recognized, is carried for being sent to core net There are the basic Base Station Identification, the target BS mark identification request of extended base station mark；Recognition result receiving module, is used In the Address Recognition result for receiving the equipment of the core network feedback, determined based on the Address Recognition result and preserve adjacent cell institute The Base Station Identification of category.
Alternatively, preceding 20 bit of the marker extraction module specifically for Cell Identity IE in extraction ECGI It is used as the basic Base Station Identification；The 21-20+X bits of the Cell Identity IE are extracted as the extension base Station identifications.
Alternatively, the X is the maximum Base Station Identification extended bit number that network management system is configured；Wherein, the X be 1,2,3, A numerical value in 4.
Alternatively, the equipment of the core network includes：MME；The identification request sending module is specifically for logical to the MME S1 interfaces are crossed to send for recognizing the request message that target BS is identified to MME；Wherein, the information that the request message is carried is extremely Include less：The basic Base Station Identification, extended base station mark, identification request mark.
Alternatively, the MME is specifically for receiving the request message, by the basic Base Station Identification and the extension Base Station Identification is matched with the base station identification information recorded, and is sent out according to matching result by S1 interfaces to the source base station Send recognition result response message.
Alternatively, the MME includes：Destination address judge module, for by the basic Base Station Identification and the extension Base Station Identification is matched with the Base Station Identification record in Base Station Identification list, judges whether corresponding target eNB ID；Recognition result feedback module, for if there is the target eNB ID, then the MME to send to the source base station and carried There is the recognition result response message of the target eNB ID and identification successful information；If there is no the target eNB ID, then the MME sent to the source base station and carry the recognition result response message of failure cause.
Alternatively, the failure cause includes：Base Station Identification is not present.
Alternatively, the destination address judge module, including：Extension logo collection sets up unit, in the base station In identification list, it is determined that the Base Station Identification with the basic Base Station Identification is recorded as candidate base station identification record, and set up Candidate extended base station logo collection A1, wherein, the element in A1 identifies for the extended base station of the candidate base station identification record；Expand Exhibition mark matching unit, for setting a matching factor for each element in A1, and is initialized as 0；From the highest-order bit Start, the value progress of the bit value that the extended base station is identified respectively with the element in the A1 on corresponding bit position Match somebody with somebody, if the same determine that the match is successful, the matching factor corresponding to the element that the match is successful is added 1；Extension mark determines single Member, for after one bit of every matching, judging whether a maximum matching factor, being matched if it is, exiting Journey, it is the target eNB ID to determine the candidate base station identification record corresponding to the maximum matching factor, if it is not, then choosing Select matching factor highest and two or more elements of identical identify with the extended base station and carry out matching for following bit position； If after all bits that the extended base station is identified all were matched, the corresponding matching system of each element in the A1 Number is all 0, it is determined that the target eNB ID are the basic Base Station Identification.
Alternatively, if A1 is sky, the extension mark determining unit determines that the target eNBID is the basic base Station identifications
Alternatively, the marker extraction module, is additionally operable in the case where closing flexible Base Station Identification recognition mode, from the ECGI In the 2nd eNB ID that extract be Cell Identity IE in ECGI preceding 20 bits.
Alternatively, in addition to：First network management system, for knowing for whether source base station configuration opens flexible Base Station Identification Other pattern simultaneously sets the configuration information；Wherein, the configuration information includes：The value of the value of the N, the X.
According to a further aspect of the invention there is provided a kind of configuration system of Base Station Identification, including：Macro base station and core net Equipment；The macro base station includes：Pattern acquiring unit, for judging whether to be configured as opening base station mode of extension；First mark Generation unit is known, for if configured as base station mode of extension is opened, then according to the generation of default configuration information by the first base The 3rd eNB ID of this Base Station Identification and extended base station mark composition；Interface sets up request unit, for being sent out to equipment of the core network The S1 interfaces for carrying the 3rd eNB ID are sent to set up request；Result receiving unit is set up, is set for receiving the core net The standby S1 interfaces returned set up response message, obtain S1 interfaces and set up result and the checking knot for the 3rd eNB ID Really.
Alternatively, the macro base station also includes：Second identification generation unit, for if configured as be not turned on base station expand Exhibition pattern, then generate the 4th eNB ID according to default configuration information, and the 4th eNB ID only include the second basic base station mark Know；Interface sets up request unit, and the S1 interfaces that the 4th eNB ID are carried for being sent to equipment of the core network set up request； Result receiving unit is set up, response message is set up for receiving the S1 interfaces that the equipment of the core network is returned, S1 interfaces is obtained and builds Vertical result and the result for the 4th eNB ID.
Alternatively, the described first basic Base Station Identification and bit number shared by the second basic Base Station Identification are all 20 ratios It is special；The shared bit number of the extended base station mark is the extended bit number W that network management system is configured.
Alternatively, shared by the first Cell ID that first identification generation unit is generated in the case where opening base station mode of extension Bit number is 28 with the bit number sum that the 3rd eNB ID take；Second identification generation unit is closing base station The bit number sum that bit number shared by 2nd Cell ID of the generation under mode of extension takes with the 4th eNB ID For 28.
Alternatively, the extended bit number W is less than or equal to 4.
Alternatively, the equipment of the core network includes：Mobile management entity MME；The interface is set up request unit and specifically used The S1 interfaces foundation request that the described first basic Base Station Identification and extended base station is identified is carried in being sent to the MME；Or to The MME sends the S1 interfaces foundation request for only carrying the described second basic Base Station Identification.
Alternatively, when sending the S1 interfaces for carrying the 3rd eNB ID foundation request, the interface sets up request Unit specifically for the S1 interfaces set up request in Globe eNB ID in insert the described first basic Base Station Identification and The extended base station mark；When sending the S1 interfaces for carrying the 4th eNB ID foundation request, the interface is set up please Unit is sought specifically for inserting the described second basic Base Station Identification in the Globe eNB ID that the S1 interfaces set up in request.
Alternatively, the MME includes：Address mark checks module, for by the described first basic Base Station Identification and described Extended base station is identified to be matched with recorded basic Base Station Identification and extended base station mark, checks whether and has existed Exactly the same basic Base Station Identification and extended base station mark；Interface sets up respond module, if identical for not existing Basic Base Station Identification and extended base station mark, then record the described first basic Base Station Identification and extended base station mark, to institute State macro base station and send S1 interface response messages, notify S1 connections to be successfully established；If there is identical basic base station Mark and extended base station mark, then send S1 interface failed messages to the macro base station, notify S1 connection failures, and connect in this S1 The first error reason is carried in mouth response message.
Alternatively, address mark check module be additionally operable to by the described second basic Base Station Identification with recorded it is basic Base Station Identification is matched, and checks whether that interface described in having been recorded with identical basic Base Station Identification sets up respond module If being additionally operable to not record identical basic Base Station Identification, the described second basic Base Station Identification is recorded, to described grand Base station sends S1 interface response messages, notifies S1 connections to be successfully established；If having been recorded with identical basic base station mark Know, then send S1 interface failed messages to the macro base station, notify S1 connection failures, and carried in this S1 interface response message Second error reason.
Alternatively, first error reason is that extended base station identifies repetition；Second error reason is basic base station Mark is repeated.
Alternatively, in addition to：Second network management system, for for the macro base station configuration whether open base station mode of extension, And the configuration information is set；Wherein, the configuration information includes：The value of the extended bit number W；The extended bit number W In the case where opening base station mode of extension effectively
The Base Station Identification recognition methods of the adjacent base station of the present invention and system and the collocation method and system of Base Station Identification, will One or more bits of cell ID are identified for extended base station, realize the scheme of the addressing capacity of lifting Base Station Identification, The idle waste of unnecessary cell ID addressing is reduced, the available addressing range of Base Station Identification is improved, and energy solution is never With the problem that interconnects under length Base Station Identification mixed networking scene, core net is set to distinguish different base station identification length, And on terminal without influence, there are good backwards compatibility and deployment feasibility.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only Some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, also Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is ECGI composition schematic diagram；
Fig. 2 hands over for the message between the origin base station cell during SON ANR, target BS cell, MME and mobile phone Mutual schematic diagram；
Fig. 3 is the schematic diagram of one embodiment of the Base Station Identification recognition methods of the adjacent base station according to the present invention；
Fig. 4 is the schematic diagram that extended base station is identified；
Fig. 5 is the schematic diagram of the Base Station Identification with the basic Base Station Identification of identical in MME；
Fig. 6 is the schematic diagram of another embodiment of the Base Station Identification recognition methods of the adjacent base station according to the present invention；
Fig. 7 is the schematic flow sheet of one embodiment of the collocation method of the Base Station Identification according to the present invention；
Fig. 8 is the interacting message schematic diagram set up between the base station during S1 interfaces are connected and MME；
Fig. 9 is the module diagram of one embodiment of the Base Station Identification identifying system of the adjacent base station according to the present invention；
Figure 10 be according to the present invention adjacent base station Base Station Identification identifying system in destination address judge module module Schematic diagram；
Figure 11 is the module diagram of one embodiment of the configuration system of the Base Station Identification according to the present invention.
Embodiment
The present invention is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary embodiment of the present invention.Under The accompanying drawing that face will be combined in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, and shows So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to In the scope of protection of the invention.Many descriptions are carried out to technical scheme with reference to each figure and embodiment.
Words such as " first ", " second " that hereinafter uses is used only for describing to be distinguished, not other special Implication.
Fig. 3 is the schematic diagram of one embodiment of the Base Station Identification recognition methods of the adjacent base station according to the present invention, and terminal can To be the equipment such as mobile phone, PDA, as shown in Figure 3：
Step 101, source base station receives the ECGI of the adjacent cell of end side transmission.
Step 102, source base station judges whether to be configured as opening flexible Base Station Identification recognition mode.
Source base station is in the case where opening flexible Base Station Identification recognition mode, according to default configuration information from ECGI Extract the first eNB ID being made up of basic Base Station Identification and extended base station mark.The bit number that basic Base Station Identification takes is 20, extended base station mark takes X bit, and X is the maximum Base Station Identification extended bit number that network management system is configured.
Source base station in the case where closing flexible Base Station Identification recognition mode, the 2nd eNB ID that are extracted from ECGI with it is basic Base Station Identification is identical, i.e. the first eNB ID occupy X bit more compared with the 2nd eNB ID, and as extended base station is identified.
For example, in the case where opening flexible Base Station Identification recognition mode, source base station extracts Cell Identity IE in ECGI Preceding 20 bits are as basic Base Station Identification, and the 21-20+X bits that source base station extracts Cell Identity IE are used as expansion Open up Base Station Identification.In the case where closing flexible Base Station Identification recognition mode, the 2nd eNB ID that source base station is extracted from ECGI are Cell Identity IE preceding 20 bits in ECGI.
Step 103, source base station is sent to core net carries basic Base Station Identification, the target BS mark of extended base station mark Identification request.
Step 104, core net is to source base station feedback addresses recognition result, and source base station is determined and protected based on Address Recognition result Deposit the Base Station Identification belonging to adjacent cell.
The Base Station Identification recognition methods of adjacent base station in above-described embodiment, has repartitioned the eNB ID and Cell in ECGI The distribution of ID bits, can support the dilatation of Base Station Identification address.ENB ID in contemporary communication standards are the basic of the present invention Base Station Identification, after dilatation is carried out to Base Station Identification address, one or more of 8 bits that Cell ID can be taken Bit is also used for identifying base station, and this one or more bit is the extended base station mark of the present invention.
As shown in figure 4, based on current communication standard, eNB ID have 20 bits, Cell ID take 8 bits.Do not having When carrying out dilatation to Base Station Identification address, the eNB ID in ECGI take 20 bits, and Cell ID take 8 bits, i.e., 20 The eNB ID of bit are basic Base Station Identification.After dilatation is carried out to Base Station Identification address, the eNB ID of original 20 bits For basic Base Station Identification, 2 bits are separated from Cell ID 8 bits of occupancy, are identified as extended base station, then after dilatation The bit that eNB ID take is 20+2=22, also, the bit taken for carrying out the Cell ID after dilatation is 6, responsively Reduce 2 bits.
Network management system is whether source base station configuration opens flexible Base Station Identification recognition mode and configuration information.Configuration information bag Include：Maximum Base Station Identification extended bit number X.For example, network management system is sent by the interface between base station and network management system to base station The configured information of flexible Base Station Identification identification function is opened, includes a bit in configured information, 1 mark opens flexible base station Recognition mode is identified, 0 mark closes flexible Base Station Identification recognition mode.Including 2 bits in configured information is used to indicate maximum Extended bit number X, for example, 00 represents that the largest extension bit number that system is supported is 1 bit, 11 represent the maximum that system is supported Extended bit number is 4.
In current communication standard, eNB ID take 20 bits, but to support eNB ID take not to be 20 bits Scene, for example, provided in new or improved communication standard eNB ID take 22,23 than top grade, then can by with Confidence breath is configured to source base station, and the bit number that the basic base station mark of setting takes is 22,23 etc., source base station is had well Autgmentability and compatibility.
For example, when the adjacent cell that source base station opens flexible Base Station Identification recognition mode, then source base station is sent according to mobile phone ECGI, according to regulation of the Current protocol to ECGI forms, N number of bit is extracted after the PLMN ID in ECGI as basic base Station identifications, according to current communication standard, basic Base Station Identification takes 20 bits, according to new or improved communication standard, N Can be 21,22,23 etc..After basic Base Station Identification, X bit is extracted, the original position of X successive bits can be next to After basic Base Station Identification, it can also can lead to the basic one or more bits in Base Station Identification interval, the original position of X bits Network management system is crossed to be configured.
When the adjacent cell that source base station closes flexible Base Station Identification recognition mode, then source base station is sent according to mobile phone ECGI, according to regulation of the Current protocol to ECGI forms, extracts N number of bit as basic base station after the PLMN ID in ECGI Mark, according to current communication standard, N is 20 bits, using this basic Base Station Identification as adjacent base station eNB ID.
Source base station is sent for recognizing the request message that target BS is identified by S1 interfaces to MME；Wherein, request message The information of carrying at least includes：Basic Base Station Identification, extended base station mark, identification request mark etc..For example, source base station is to core MME in net sends eNB CONFIGURATION TRANSFER message, and target BS mark is identified.eNB The information that CONFIGURATION TRANSFER message is carried includes：Basic Base Station Identification, extended base station mark, identification request mark Know etc..
Basic Base Station Identification and extended base station mark are recorded progress by MME with the Base Station Identification in Base Station Identification list Match somebody with somebody, judge whether corresponding target eNB ID.Base Station Identification in Base Station Identification list is recorded as each of MME storages Some are basic Base Station Identification+extended base station mark by eNB ID in the eNB ID of base station, Base Station Identification class table, and other are base Stand basic identification.
Sent to source base station if MME judges to exist target eNB ID, MME and carry target eNB ID S1 interfaces and disappear Breath, source base station determines and preserves the Base Station Identification of the adjacent base station belonging to adjacent cell and carry to recognize successfully based on target eNB ID Information, if there is no target eNB ID, then MME sends the S1 interface messages for carrying failure cause, failure to source base station Reason includes：Base Station Identification be not present etc..
Source base station expands when opening flexible Base Station Identification recognition mode according to basic Base Station Identification+maximum Base Station Identification Exhibition bit number X mode extracts the ECGI of adjacent cell.When adjacent base station does not support the mode to the dilatation of Base Station Identification address, adjacent base The eNB ID stood only include basic Base Station Identification, and not comprising extended base station mark.
For example, adjacent base station A eNB ID include extended base station mark and extended base station mark, 20+2 bit is taken altogether, And adjacent base station B eNB ID only include basic Base Station Identification, 20 bits are taken.Source base station is according to 20+X bits from adjacent base station B Adjacent cell ECGI in be extracted the basic Base Station Identification and X bits of 20 bits and identified as extended base station.
MME can be identified the basic Base Station Identification and extended base station that receive with being arranged in Base Station Identification using various ways Base Station Identification record in table is matched, judges whether corresponding target eNB ID.For example, MME traversals base station mark Know list in Base Station Identification record, obtain Base Station Identification record basic Base Station Identification and extended base station mark, and respectively with Receive and matched with basic Base Station Identification and extended base station mark, if the match is successful, obtain the target eNB of adjacent base station ID。
In one embodiment, in Base Station Identification list, it is determined that the record of the Base Station Identification with basic Base Station Identification is made For candidate base station identification record, and the element set up in candidate's extended base station logo collection A1, A1 is candidate base station identification record Extended base station mark；MME is that each element in A1 sets a matching factor, and is initialized as 0.
MME is since the highest-order bit, and the bit value that extended base station is identified is respectively with the element in A1 in corresponding bit Value on position is matched, and is if the same determined that the match is successful, is added 1 by the matching factor corresponding to the element that the match is successful, If A1 is sky, it is determined that target eNB ID are basic Base Station Identification.
After one bit of every matching, a maximum matching factor is judged whether, was matched if it is, exiting Journey, it is determined that the candidate base station identification record corresponding to maximum matching factor is target eNB ID, if there is no a maximum Matching factor, then select matching factor highest and two or more elements of identical to carry out next ratio with extended base station mark The matching of special position.If after all bits that extended base station is identified all were matched, corresponding of each element in A1 Distribution coefficient is all 0, it is determined that target eNB ID are basic Base Station Identification.
For example, MME receives basic Base Station Identification for " A1B2C ", extended base station is designated " 11 ".MME is in Base Station Identification In list, it is determined that the Base Station Identification with basic Base Station Identification " A1B2C " is recorded as candidate base station identification record, and time is set up Select element in extended base station logo collection A1, A1 to be identified for the extended base station of candidate base station identification record, A1 for 1,11, 01, }, MME is that each element in A1 sets a matching factor, and is initialized as 0.Typically, extended base station is identified Significant bits generally are 1.
MME is since the highest-order bit, and the bit value " 11 " that extended base station is identified is respectively with the element in A1 corresponding Value on bit is matched, and first matches a high position " 1 " for extended base station mark " 11 ", then 3 in A1 element is all matched into Work(, the matching factor corresponding to 3 elements all adds 1.
MME judges that 3 elements being not present in maximum matching factor, A1 are all 1, then select 3 elements all with Extended base station mark " 11 " carries out the 2nd Match of elemental composition success in the matching of following bit position " 1 ", only A1, then to the 2nd The matching factor of element adds 1, and the matching factor corresponding to the 2nd element is now 2, then MME judges there is maximum Distribution coefficient, exits matching process, and it is target eNB ID to determine the candidate base station identification record corresponding to the 2nd element, i.e., basic Base Station Identification is " A1B2C ", and extended base station is designated " 11 ".
The MME CONFIGURATION TRANSFER for carrying target eNB ID are sent to this target eNB by MME ID adjacent base station；Adjacent base station obtains transport network layer TNL addresses, and TNL addresses are passed through into eNB CONFIGURATION TRANSFER message is sent to MME；MME sends MME CONFIGURATION TRANSFER message, MME to source base station The information carried in CONFIGURATION TRANSFER message includes：Target eNB ID, TNL addresses.For example, target eNB ID Basic Base Station Identification be " A1B2C ", extended base station is designated " 11 " TNL addresses, and TNL addresses are IP address.
Fig. 6 is the schematic diagram of one embodiment of the Base Station Identification recognition methods of the adjacent base station according to the present invention.At one During SON, terminal is after the ECGI information of adjacent cell has been reported, and base station completes IP address from acquisition process by IP address and matched somebody with somebody Put, and adjacent cell Base Station Identification identification process.Wherein, what adjacent cell own base station was taken is the basic base station mark of 20 bits Know, the extension base of three base station address information, wherein two other base station with identical basic Base Station Identification is stored in MME Station identifications contain 1 bit length and 2 bit lengths respectively, are specifically designated 1 and 11, as shown in Figure 5.
Network management system sends the flexible Base Station Identification identification function of unlatching to source base station by the interface between base station and webmaster and referred to Show information, open flexible Base Station Identification recognition mode.Extended base station identification division, adjacent base are contained in the Base Station Identification of source base station Stand and only support the basic Base Station Identification of 20 bits in itself.For example, 20 Base Station Identifications are converted into 16 system character strings before adjacent base station Numerical value afterwards is 1F2E3, and 8 cell IDs are 00001001.
Step 201, UE sends test report to source base station, and test report includes PCI, RSRP information.
Step 202, source base station sends to UE and instructed, and configuration UE reads ECGI.
Step 203, UE sends the ECGI of adjacent cell to source base station.
Step 204, source base station receives the ECGI information for the new adjacent area that terminal is reported after the unlatching of ANR functions, due to Network has had been switched on flexible Base Station Identification identification function, then basic Base Station Identification " 1F2E3 " and extension base are extracted from ECGI Station identifications " 00 ".
Step 205, source base station initiates to obtain the IP address of target BS and Base Station Identification identification message.For example, source base Stand and send SON Configuration Transfer IE in eNB CONFIGURATION TRANSFER message, message to MME In contain the identification information and identification solicited message of target BS, form is as shown in table 1 below.The basic base station mark of target BS Know and extended base station mark be filled in Global eNB ID, as shown in table 2 below, identification solicited message is filled in CAUSE, It is that " identification target BS is identified " asks mark as identification to carry a message and send reason.Source base station is due to containing extension Identification division, therefore, contains basic Base Station Identification and extension identification division, is filled in source base station identification item in source base station mark In mesh.
Table 1-SON Configuration Transfer IE content
Table 2-Global eNB ID content
Step 206, MME is received after message, is extracted target BS in outbound message and is designated " 1F2E3 " and " 00 " two portions Point, and matched based on above-mentioned part with two other Base Station Identification in Fig. 5, the result of matching is that target BS is base This Base Station Identification.
In one embodiment, adjacent base station supports the basic Base Station Identification and 1 bit expanded base station information of 20 bits, preceding 20 Base Station Identifications are converted into the numerical value after 16 system character strings for 1F2E3, and 1 bit expanded Base Station Identification is 1,7 cell marks Know for 0001001.
Source base station receives the ECGI information for the new adjacent area that terminal is reported after the unlatching of ANR functions, is extracted from ECGI Basic Base Station Identification " 1F2E3 " and extended base station mark " 10 ".MME receives eNB CONFIGURATION TRANSFER message Afterwards, extract target BS in outbound message and be designated " 1F2E3 " and " 10 " two parts, and based on above-mentioned part with Fig. 5 Two other Base Station Identification is matched, and the result of matching is the base station that target BS identifies for support extended base station, wherein base This Base Station Identification is " 1F2E3 ", and extended base station is designated " 1 ".
Step 207, MME is confirmed after target BS mark, the mesh changed in SON Configuration Transfer IE Mark Base Station Identification is basic Base Station Identification, and is notified by MME CONFIGURATION TRANSFER to target BS.
Step 208, target BS is obtained after MME CONFIGURATION TRANSFER message, it is thus understood that source base station is needed IP address information is obtained, and IP address Information Pull eNB CONFIGURATION TRANSFER message is sent to MME.
Step 209, MME is received after the message of target BS transmission, is disappeared using MME CONFIGURATION TRANSFER Breath is notified to source base station, and the Base Station Identification and recognition result configured information of target BS are contained in message.The finger of recognition result Show that information is：Success.
Step 210, source base station is received after MME CONFIGURATION TRANSFER, determines the Base Station Identification of target BS Information and IP address information, and be saved in neighboring BS relationship, and start follow-up X2 and set up process.
The Base Station Identification recognition methods for the adjacent base station that above-described embodiment is proposed, solves different length Base Station Identification mixing group The problem that interconnects under net scene, by strengthening S1 correlated processes, allows core net to distinguish different base station identification length, drop The configuration change workload of Di Liao operators, and on terminal without influence, there is good backwards compatibility and deployment feasibility, can To carry out enhancing improvement on existing protocol, new protocol procedures are not introduced, realize that difficulty is relatively low.
Fig. 7 is the schematic diagram of one embodiment of the collocation method of the Base Station Identification according to the present invention, as shown in Figure 7：
Step 301, macro base station judges whether to be configured as opening base station mode of extension.
Step 302, if configured as open base station mode of extension, then macro base station according to default configuration information generate by 3rd eNB ID of the first basic Base Station Identification and extended base station mark composition, the bit number shared by the first basic Base Station Identification For N, the shared bit number of extended base station mark is the extended bit number W that network management system is configured.
Step 303, if it is not, then macro base station generates the 4th eNB ID according to default configuration information, the 4th eNB ID are only Bit number including occupancy is N the second basic Base Station Identification.
Step 304, the S1 interfaces that macro base station carries the 3rd eNB ID or the 4th eNB ID to core net transmission are set up please Ask.
Step 305, core net returns to S1 interfaces and sets up response message, notifies S1 interfaces to set up result and for the 3rd ENB ID or the 4th eNB ID the result.
The collocation method of Base Station Identification in above-described embodiment, it is real by the cell ID for taking one or more bit The dilatation of existing Base Station Identification, cell ID accordingly reduces same bit number, and basic Base Station Identification and extended base station are identified Request message is set up by S1 and is indicated to core net, whether core net is checked with existing Base Station Identification after receiving and deposited Repeating, for recording basic Base Station Identification part and extended base station identification division in the case of in the absence of conflict, and will matching The result of inspection is notified to source base station.
Based on current communication standard, eNB ID have 20 bits, and Cell ID take 8 bits.To Base Station Identification address Carry out after dilatation, the eNB ID of original 20 bits are basic Base Station Identification, 1 is separated from Cell ID 8 bits of occupancy Or multiple bits, identified as extended base station.Bit number shared by first basic Base Station Identification and the second basic Base Station Identification All it is 20 bits.
Whether network management system can open base station mode of extension for macro base station configuration, and set configuration information.Configuration information Including：Extended bit number W value etc..In the case where opening base station mode of extension effectively, W is generally less than is equal to 4 to extended bit number W.Root According to current communication standard, the bit that the first basic Base Station Identification and the second basic Base Station Identification take is 20 bits, according to The bit that new or improved communication standard, the first basic Base Station Identification and the second basic Base Station Identification take can be 21,22, 23 etc..
For example, when the bit that the first basic Base Station Identification and the second basic Base Station Identification take for 20, W is configured as 2, it is small When the bit number that area's mark takes is configured as 8, shared by the Cell ID that macro base station is generated in the case where opening base station mode of extension The sum of bit number 22 that the eNB ID of bit number 6 and the 3rd take is 28；Generation of the macro base station in the case where closing base station mode of extension The sum of bit number 20 that the eNB ID of bit number 8 and the 4th shared by Cell ID take also is 28.
When base station mode of extension is opened in network management system configuration base station, then basic Base Station Identification of the Base Station Identification in 20 bits On the basis of take 2 cell IDs number of bits, and cell ID accordingly reduce 2 bit numbers.When network management system configures base Stand closing base station mode of extension when, Base Station Identification still use 20 bits basic Base Station Identification.
Macro base station sends the S1 interfaces foundation request for carrying the first basic Base Station Identification and extended base station mark to MME, Or macro base station sends the S1 interfaces foundation request for only carrying the second basic Base Station Identification to MME.For example, working as macro base station to core When net sends the S1 interfaces foundation request for carrying the 3rd eNB ID, the Globe eNB that macro base station is set up in request in S1 interfaces The first basic Base Station Identification and extended base station mark is inserted in ID, carries the 4th eNB ID's when macro base station is sent to core net When S1 interfaces set up request, macro base station inserts the second basic base station mark in the Globe eNB ID that S1 interfaces set up in request Know.
MME identifies the first basic Base Station Identification and extended base station and recorded basic Base Station Identification and extended base station Mark is matched, and checks whether there is identical basic Base Station Identification and extended base station mark.If do not deposited Identified in identical basic Base Station Identification and extended base station, then MME records the first basic Base Station Identification and extended base station mark Know, S1 interface response messages are sent to macro base station, notify S1 connections to be successfully established.If existing identical basic base station Mark and extended base station mark, then MME sends S1 interface failed messages, notice S1 connection failures to macro base station, and is connect in this S1 The first error reason is carried in mouth response message.
MME is matched the second basic Base Station Identification with the basic Base Station Identification recorded, is checked whether recorded There is identical basic Base Station Identification, if it is not, then MME records the second basic Base Station Identification, S1 interfaces are sent to macro base station Response message, notifies S1 connections to be successfully established, if it is, MME sends S1 interface failed messages to macro base station, notifies S1 connections Failure, and carry the second error reason in this S1 interface response message.
First error reason is that extended base station identifies repetition, to use the mistake in the case of base station configuration extended base station mark Miss reason.Second error reason repeats for basic Base Station Identification, is only adopted in the case that base station only configures basic Base Station Identification Use the error reason.
Fig. 8 is the interacting message schematic diagram set up between the base station during S1 interfaces are connected and MME.Network management system is Base station mode of extension is opened in macro base station configuration, also, network management system issues configuration information by southbound interface to base station, with confidence In breath can include basic Base Station Identification take bit number be 20 bits, extended base station mark take bit number W be 1 bit Compare top grade with cell identity information for 7.The configuration information generation that base station receives webmaster is compared by the basic Base Station Identification of 20 bits and 1 The eNB ID of special extended base station mark.
As shown in figure 8, in order to set up S1 interfaces with core net, base station initiates S1 connections and sets up request message S1Setup Basic Base Station Identification (20 bit) and extended base station mark (1 bit) have been comprised at least in Request, message.S1Setup The form of Request message is as shown in table 3 below, and basic base station identification information and extended base station identify two parts and be filled in Global It is as shown in table 4 below in eNB ID.
The content of table 3-S1 Setup Request message
Table 4-Global eNB ID content
When MME receives base station transmission S1 foundation requests, the base recorded to basic Base Station Identification and extended base station mark with it This Base Station Identification and extended base station mark are matched, find without it is completely the same when judge to be successfully established, and record wherein 20 The basic Base Station Identification and extended base station identification division of bit length.MME passes through S1Setup Response message informing bases The S1 that stands is successfully established.
, there is larger waste for current cell identification in the collocation method of the Base Station Identification in above-described embodiment, The addressing capacity of lifting Base Station Identification is realized, so as to reduce the idle waste of unnecessary cell ID addressing, is improved The available addressing range of Base Station Identification, and on terminal without influence, have good backwards compatibility and deployment feasibility, do not draw Enter new protocol procedures, realize that difficulty is relatively low.
In one embodiment, the present invention provides a kind of Base Station Identification identifying system of adjacent base station, as shown in figure 9, including： Source base station 40, equipment of the core network, the first network management system 55.Source base station 40 includes：Identifier receiving module 41, mode deciding module 42nd, marker extraction module 43, identification request sending module 44 and recognition result receiving module 45.
The ECGI for the adjacent cell that the receiving terminal side of identifier receiving module 41 is sent.Mode deciding module 42 judge whether by It is configured to open flexible Base Station Identification recognition mode.When being configured as opening flexible Base Station Identification recognition mode, then mark is carried Modulus block 43 extracts the be made up of basic Base Station Identification and extended base station mark according to default configuration information from ECGI One eNB ID.
Identification request sending module 44 is sent to equipment of the core network carries basic Base Station Identification, the mesh of extended base station mark Mark Base Station Identification identification request.Recognition result receiving module 45 is used for the Address Recognition result for receiving equipment of the core network feedback, base Determined in Address Recognition result and preserve the Base Station Identification belonging to adjacent cell.
Marker extraction module 43 extracts preceding 20 bits of Cell Identity IE in ECGI as basic Base Station Identification, 21-20+X bits for extracting Cell Identity IE are identified as extended base station.X is the maximum that network management system is configured Base Station Identification extended bit number；X is a numerical value in 1,2,3,4.
Equipment of the core network includes：MME50.Identification request sending module 44 is sent to MME50 by S1 interfaces to MME to be used for Recognize the request message of target BS mark；Wherein, the information that request message is carried at least includes：Basic Base Station Identification, extension Base Station Identification, identification request mark.MME50 is specifically for receiving request message, by basic Base Station Identification and extended base station mark Knowledge is matched with the base station identification information recorded, and sends recognition result to source base station by S1 interfaces according to matching result Response message.
MME50 includes：Destination address judge module 51, recognition result feedback module 52 and TNL address acquisition modules 53.Mesh Address judgment module 51 is marked to record basic Base Station Identification and extended base station mark with the Base Station Identification in Base Station Identification list Matched, judge whether corresponding target eNB ID.If there is target eNB ID, then recognition result feedback unit 52 send the recognition result response message for carrying target eNB ID and identification successful information to source base station, if there is no target ENB ID, then recognition result feedback unit 52 sent to source base station and carry the recognition result response message of failure cause, failure Reason includes：Base Station Identification be not present etc..Recognition result receiving module 52 is determined based on the target eNB ID in S1 interface messages And preserve the Base Station Identification belonging to adjacent cell.
In one embodiment, as shown in Figure 10, destination address judge module 51 includes：Extension logo collection sets up unit 511st, extension mark matching unit 512 and extension mark determining unit 513.Extension logo collection is set up unit 511 and marked in base station Know in list, it is determined that the Base Station Identification with basic Base Station Identification is recorded as candidate base station identification record, and set up candidate's expansion Base Station Identification set A1 is opened up, wherein, the element in A1 identifies for the extended base station of candidate base station identification record.
Extension mark matching unit 512 is that each element in A1 sets a matching factor, and is initialized as 0.From most Higher bit position starts, the value progress of the bit value that extended base station is identified respectively with the element in A1 on corresponding bit position Match somebody with somebody, if the same determine that the match is successful, the matching factor corresponding to the element that the match is successful is added 1.
Extension mark determining unit 513 judges whether a maximum matching factor after one bit of every matching, If it is, matching process is exited, it is determined that the candidate base station identification record corresponding to maximum matching factor is target eNB ID, If it is not, then selection matching factor highest and two or more elements of identical and extended base station mark progress following bit position Matching；If after all bits that extended base station is identified all were matched, the corresponding matching system of each element in A1 Number is all 0, it is determined that target eNB ID are basic Base Station Identification.If A1 is sky, extension mark determining unit 513 determines mesh It is basic Base Station Identification to mark eNB ID.
The first SI interface messages for carrying target eNB ID are sent to target eNB by TNL address acquisition modules 53 ID adjacent base station.Adjacent base station obtains transport network layer TNL addresses, and TNL addresses are sent to by the 2nd S1 interface messages MME.Recognition result feedback module 52 sends the packet carried in the 3rd S1 interface messages, the 3rd S1 interface messages to source base station Include：Target eNB ID, TNL addresses.
First network management system 55 is whether source base station configuration is opened flexible Base Station Identification recognition mode and set with confidence Breath；Wherein, configuration information includes：Maximum Base Station Identification extended bit number X value.
According to one embodiment of present invention, as shown in figure 11, the present invention provides a kind of configuration system of Base Station Identification, bag Include：Second network management system 75, macro base station 60 and equipment of the core network.Macro base station 60 includes：The mark life of pattern acquiring unit 61, first Request unit 64 is set up into unit 62, the second identification generation unit 63, interface and sets up result receiving unit 65.
Pattern acquiring unit 61 judges whether to be configured as opening base station mode of extension.Expand if configured as base station is opened Exhibition pattern, then the first identification generation unit 62 according to default configuration information generate by the first basic Base Station Identification and extended base station Identify the 3rd eNB ID of composition.
If being not configured as opening base station mode of extension, the second identification generation unit 63 is according to default configuration information The 4th eNB ID are generated, the 4th eNB ID only include the second basic Base Station Identification that bit number is N taken.
Bit number shared by first basic Base Station Identification and the second basic Base Station Identification is all 20 bits；Extended base station mark It is the extended bit number W that network management system is configured to know shared bit number.First identification generation unit 62 is opening base station extension The bit number sum that the bit number shared by the first Cell ID and the 3rd eNB ID generated under pattern takes is 28；Second mark Know the bit number and the 4th eNB ID shared by the 2nd Cell ID of generation of the generation unit 63 in the case where closing base station mode of extension The bit number sum of occupancy is also 28.
Interface, which is set up request unit 64 and sent to equipment of the core network, to be carried the 3rd eNB ID or the 4th eNB ID S1 and connects Mouth sets up request.The S1 interfaces for setting up the reception equipment of the core network return of result receiving unit 65 set up response message, obtain S1 and connect Mouth sets up result and the result for the first eNB ID or the 2nd eNB ID.
Equipment of the core network includes：MME70.Interface sets up request unit 64 and carries the first basic base station to MME70 transmissions The S1 interfaces that mark and extended base station are identified set up request, or the S1 for only carrying the second basic Base Station Identification is sent to MME70 Interface sets up request.
When sending the S1 interfaces for carrying the first eNB ID foundation request, interface is set up request unit 64 and built in S1 interfaces The first basic Base Station Identification and extended base station mark is inserted in Globe eNB ID in vertical request, when transmission carries second When eNB ID S1 interfaces set up request, interface sets up request unit 64 in the Globe eNB ID that S1 interfaces set up in request Insert the second basic Base Station Identification.
MME70 includes：Address mark checks that module 71 and interface set up respond module 72.Address mark checks that module 71 will First basic Base Station Identification and extended base station mark is matched with recorded basic Base Station Identification and extended base station mark, Check whether there is identical basic Base Station Identification and extended base station mark.
If there is no identical basic Base Station Identification and extended base station mark, interface is set up respond module 72 and remembered The first basic Base Station Identification and extended base station mark is recorded, S1 interface response messages is sent to macro base station, notifies S1 connections to be created as Work(.If there is identical basic Base Station Identification and extended base station mark, interface sets up respond module 72 to grand Base station sends S1 interface failed messages, notifies S1 connection failures, and carry the first error reason in this S1 interface response message.
Address mark checks that module 70 is matched the second basic Base Station Identification with the basic Base Station Identification recorded, examines Look into and whether have been recorded with identical basic Base Station Identification.If not recorded identical basic Base Station Identification, Interface sets up respond module 72 and records the second basic Base Station Identification, and S1 interface response messages are sent to macro base station, notifies S1 connections It is successfully established.If having been recorded with identical basic Base Station Identification, interface is set up respond module 72 and sent out to macro base station S1 interface failed messages are sent, S1 connection failures are notified, and the second error reason is carried in this S1 interface response message.First is wrong Reason is that extended base station identifies repetition by mistake；Second error reason repeats for basic Base Station Identification.
Second network management system 75 is whether macro base station configuration opens base station mode of extension and set configuration information；With confidence Breath includes：Extended bit number W value.Extended bit number W is effective in the case where opening base station mode of extension, for example, W is less than or equal to 4.
The Base Station Identification recognition methods of the adjacent base station provided in above-described embodiment and system and the configuration side of Base Station Identification , there is larger waste in method and system, realize the side of the addressing capacity of lifting Base Station Identification for current cell identification Case, so as to reduce the idle waste of unnecessary cell ID addressing, improves the available addressing range of Base Station Identification, and energy The problem that interconnects under different length Base Station Identification mixed networking scene is solved, by strengthening S1 correlated processes, makes core net The ability of different base station identification length can be distinguished, operator's configuration change workload is reduced, and on terminal without influence, have Good backwards compatibility and deployment feasibility, can be strengthened on existing protocol, not introduce new protocol procedures, real Existing difficulty is relatively low.
The method and system of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or Software, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for method is only Order described in detail above is not limited in order to illustrate, the step of method of the invention, is especially said unless otherwise It is bright.In addition, in certain embodiments, the present invention can be also embodied as recording to program in the recording medium, these programs include Machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is used to perform according to this hair The recording medium of the program of bright method.
Description of the invention is provided for the sake of example and description, and is not exhaustively or by the present invention It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch State embodiment and be more preferably to illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.

Claims (42)

1. a kind of Base Station Identification recognition methods of adjacent base station, it is characterised in that including：
Source base station receives the ECGI of the adjacent cell of end side transmission；
The source base station judges whether to be configured as opening flexible Base Station Identification recognition mode；
If it is, source base station is extracted by basic Base Station Identification and extension base according to default configuration information from the ECGI First eNB ID of station identifications composition；
The source base station is sent to core net carries the basic Base Station Identification, the target BS mark of extended base station mark Identification request；
The core net is determined to the source base station feedback addresses recognition result, the source base station based on the Address Recognition result And preserve the Base Station Identification belonging to adjacent cell.
2. Base Station Identification recognition methods as claimed in claim 1, it is characterised in that：
Preceding 20 bits that the source base station extracts Cell Identity IE in ECGI are used as the basic Base Station Identification；
The 21-20+X bits that the source base station extracts the Cell Identity IE are identified as the extended base station.
3. Base Station Identification recognition methods as claimed in claim 2, it is characterised in that：
The X is the maximum Base Station Identification extended bit number that network management system is configured；
Wherein, the X is a numerical value in 1,2,3,4.
4. Base Station Identification recognition methods as claimed in claim 1, it is characterised in that the source base station sends to core net and carried The target BS mark identification request for having the basic Base Station Identification, extended base station mark includes：
The source base station is sent for recognizing the request message that target BS is identified by S1 interfaces to MME；Wherein, the request The information that message is carried at least includes：The basic Base Station Identification, extended base station mark, identification request mark.
5. Base Station Identification recognition methods as claimed in claim 4, it is characterised in that the core net is fed back to the source base station Address Recognition result includes：
The MME receives the request message, and the basic Base Station Identification and the extended base station are identified with the MME The base station identification information of record is matched, and sends recognition result sound to the source base station by S1 interfaces according to matching result Answer message.
6. Base Station Identification recognition methods as claimed in claim 5, it is characterised in that by the basic Base Station Identification and the expansion Exhibition Base Station Identification matched with the MME base station identification informations recorded, by S1 interfaces to the source base station transmission Include with result：
The MME remembers the basic Base Station Identification and extended base station mark with the Base Station Identification in Base Station Identification list Record is matched, and judges whether corresponding target eNB ID；
If there is the target eNB ID, then the MME sends to the source base station and carries the target eNB ID and knowledge The recognition result response message of other successful information；
If there is no the target eNB ID, then the MME sends the knowledge for carrying failure cause to the source base station Other result response message.
7. Base Station Identification recognition methods as claimed in claim 5, it is characterised in that：
The failure cause includes：Base Station Identification is not present.
8. Base Station Identification recognition methods as claimed in claim 6, it is characterised in that the MME is by the basic Base Station Identification With the extended base station identify with Base Station Identification list Base Station Identification record matched, judge whether it is corresponding Target eNB ID include：
In the Base Station Identification list, it is determined that the record of the Base Station Identification with the basic Base Station Identification is used as candidate base station mark Memorize is recorded, and sets up candidate extended base station logo collection A1, wherein, the element in A1 is the expansion of the candidate base station identification record Open up Base Station Identification；
The MME is that each element in A1 sets a matching factor, and is initialized as 0；
The MME is since the highest-order bit, and the bit value that the extended base station is identified exists with the element in the A1 respectively Value on corresponding bit position is matched, and if the same the match is successful for determination, by the matching corresponding to the element that the match is successful Coefficient adds 1；
Wherein, after one bit of every matching, a maximum matching factor is judged whether, if it is, exiting matching Process, it is the target eNB ID to determine the candidate base station identification record corresponding to the maximum matching factor, if it is not, then Select matching factor highest and two or more elements of identical identify for carrying out following bit position with the extended base station Match somebody with somebody；
If after all bits that the extended base station is identified all were matched, corresponding of each element in the A1 Distribution coefficient is all 0, it is determined that the target eNB ID are the basic Base Station Identification.
9. Base Station Identification recognition methods as claimed in claim 8, it is characterised in that：
If A1 is sky, MME determines that the target eNB ID are the basic Base Station Identification.
10. Base Station Identification recognition methods as claimed in claim 2, it is characterised in that：
In the case where closing flexible Base Station Identification recognition mode, the 2nd eNB ID that the source base station is extracted from the ECGI are Cell Identity IE preceding 20 bits in ECGI.
11. Base Station Identification recognition methods as claimed in claim 2, it is characterised in that including：
First network management system is whether source base station configuration opens flexible Base Station Identification recognition mode and set described with confidence Breath；Wherein, the configuration information includes：Maximum Base Station Identification extended bit number X value.
12. a kind of collocation method of Base Station Identification, it is characterised in that including：
Macro base station judges whether to be configured as opening base station mode of extension；
Identified if it is, the macro base station is generated according to default configuration information by the first basic Base Station Identification and extended base station 3rd eNB ID of composition；
The macro base station sends the S1 interfaces foundation request for carrying the 3rd eNB ID to core net；
The core net returns to S1 interfaces and sets up response message, notifies S1 interfaces to set up result and for the 3rd eNB ID The result.
13. collocation method as claimed in claim 12, it is characterised in that：
If configured as base station mode of extension is not turned on, then the macro base station generates the 4th eNB according to default configuration information ID, the 4th eNB ID only include the second basic Base Station Identification；
The macro base station sends the S1 interfaces foundation request for carrying the 4th eNB ID to core net；
The core net returns to S1 interfaces and sets up response message, notifies S1 interfaces to set up result and for the 4th eNB ID The result.
14. collocation method as claimed in claim 13, it is characterised in that：
Bit number shared by the first basic Base Station Identification and the second basic Base Station Identification is all 20 bits；
The shared bit number of the extended base station mark is the extended bit number W that network management system is configured.
15. collocation method as claimed in claim 14, it is characterised in that：
The bit number and the described 3rd shared by the first Cell ID that the macro base station is generated in the case where opening base station mode of extension The bit number sum that eNB ID take is 28；
Bit number and the described 4th shared by 2nd Cell ID of generation of the macro base station in the case where closing base station mode of extension The bit number sum that eNB ID take also is 28.
16. collocation method as claimed in claim 14, it is characterised in that：
The extended bit number W is less than or equal to 4.
17. collocation method as claimed in claim 13, it is characterised in that including:
The macro base station is sent to mobile management entity MME carries the described first basic Base Station Identification and extended base station mark S1 interfaces set up request；Or
The macro base station sends the S1 interfaces foundation request for only carrying the described second basic Base Station Identification to the MME.
18. collocation method as claimed in claim 17, it is characterised in that including：
The MME identifies the described first basic Base Station Identification and the extended base station and basic the base recorded MME Station identifications and extended base station mark are matched, and check whether there is identical basic Base Station Identification and extended base station Mark；
If it is not, then the MME records the described first basic Base Station Identification and extended base station mark, sent out to the macro base station S1 interface response messages are sent, notify S1 connections to be successfully established；
If it is, the MME sends S1 interface failed messages to the macro base station, S1 connection failures are notified, and connect in this S1 The first error reason is carried in mouth response message.
19. collocation method as claimed in claim 18, it is characterised in that including：
The MME is matched the described second basic Base Station Identification with the basic Base Station Identification that the MME has been recorded, and inspection is It is no to have been recorded with identical basic Base Station Identification；
If it is not, then the MME records the described second basic Base Station Identification, S1 interface response messages are sent to the macro base station, S1 connections are notified to be successfully established；
If it is, the MME sends S1 interface failed messages to the macro base station, S1 connection failures are notified, and connect in this S1 The second error reason is carried in mouth response message.
20. collocation method as claimed in claim 19, it is characterised in that：
First error reason is that extended base station identifies repetition；
Second error reason repeats for basic Base Station Identification.
21. collocation method as claimed in claim 14, it is characterised in that including：
Second network management system is whether macro base station configuration opens base station mode of extension and set the configuration information；
Wherein, the configuration information includes：The value of the extended bit number W；The extended bit number W is opening base station expanded mode Under formula effectively.
22. a kind of Base Station Identification identifying system of adjacent base station, it is characterised in that including：Source base station and equipment of the core network；
The source base station includes：
Identifier receiving module, the ECGI of the adjacent cell sent for receiving terminal side；
Mode deciding module, for judging whether to be configured as opening flexible Base Station Identification recognition mode；
Marker extraction module, for when being configured as opening flexible Base Station Identification recognition mode, then matching somebody with somebody confidence according to default Breath extracts the first eNB ID being made up of basic Base Station Identification and extended base station mark from the ECGI；
Request sending module is recognized, the basic Base Station Identification, the extended base station are carried for being sent to equipment of the core network The target BS mark identification request of mark；
Recognition result receiving module, the Address Recognition result for receiving the equipment of the core network feedback, is known based on the address Other result determines and preserves the Base Station Identification belonging to adjacent cell.
23. the Base Station Identification identifying system of adjacent base station as claimed in claim 22, it is characterised in that:
The marker extraction module is used as the base specifically for extracting preceding 20 bits of Cell Identity IE in ECGI This Base Station Identification；21-20+X bits for extracting the Cell Identity IE are identified as the extended base station.
24. the Base Station Identification identifying system of adjacent base station as claimed in claim 23, it is characterised in that:
The X is the maximum Base Station Identification extended bit number that network management system is configured；
Wherein, the X is a numerical value in 1,2,3,4.
25. the Base Station Identification identifying system of adjacent base station as claimed in claim 22, it is characterised in that：
The equipment of the core network includes：MME；
The identification request sending module by S1 interfaces to the MME to MME specifically for being sent for recognizing target BS The request message of mark；Wherein, the information that the request message is carried at least includes：The basic Base Station Identification, the extension Base Station Identification, identification request mark.
26. the Base Station Identification identifying system of adjacent base station as claimed in claim 25, it is characterised in that：
The MME specifically for receiving the request message, by the basic Base Station Identification and the extended base station mark with The base station identification information recorded is matched, and sends recognition result to the source base station by S1 interfaces according to matching result Response message.
27. the Base Station Identification identifying system of adjacent base station as claimed in claim 26, it is characterised in that：
The MME includes：
Destination address judge module, for by the basic Base Station Identification and extended base station mark and in Base Station Identification list In Base Station Identification record matched, judge whether corresponding target eNB ID；
Recognition result feedback module, for if there is the target eNB ID, then the MME to send to the source base station and carried There is the recognition result response message of the target eNB ID and identification successful information；If there is no the target eNB ID, then the MME sent to the source base station and carry the recognition result response message of failure cause.
28. the Base Station Identification identifying system of adjacent base station as claimed in claim 27, it is characterised in that：
The failure cause includes：Base Station Identification is not present.
29. the Base Station Identification identifying system of adjacent base station as claimed in claim 27, it is characterised in that：
The destination address judge module, including：
Extension logo collection sets up unit, in the Base Station Identification list, it is determined that with the basic Base Station Identification Base Station Identification is recorded as candidate base station identification record, and sets up candidate extended base station logo collection A1, wherein, the element in A1 Identified for the extended base station of the candidate base station identification record；
Extension mark matching unit, for setting a matching factor for each element in A1, and is initialized as 0；From highest Bit starts, and value of the bit value that the extended base station is identified respectively with the element in the A1 on corresponding bit position is entered Row matching, if the same determines that the match is successful, adds 1 by the matching factor corresponding to the element that the match is successful；
Extension mark determining unit, for after one bit of every matching, judging whether a maximum matching factor, such as Fruit is then to exit matching process, and it is the target to determine the candidate base station identification record corresponding to the maximum matching factor ENB ID, if it is not, then selection matching factor highest and two or more elements of identical and the extended base station identify into The matching of row following bit position；If after all bits that the extended base station is identified all are matched, in the A1 The corresponding matching factor of each element is 0, it is determined that the target eNB ID are the basic Base Station Identification.
30. the Base Station Identification identifying system of adjacent base station as claimed in claim 29, it is characterised in that：
If A1 is sky, the extension mark determining unit determines that the target eNB ID are the basic Base Station Identification.
31. the Base Station Identification identifying system of adjacent base station as claimed in claim 23, it is characterised in that：
The marker extraction module, is additionally operable in the case where closing flexible Base Station Identification recognition mode, is extracted from the ECGI Preceding 20 bits that 2nd eNB ID are Cell Identity IE in ECGI.
32. the Base Station Identification identifying system of adjacent base station as claimed in claim 24, it is characterised in that also include：
First network management system, for whether opening flexible Base Station Identification recognition mode for source base station configuration and setting described Configuration information；Wherein, the configuration information includes：Maximum Base Station Identification extended bit number X value.
33. a kind of configuration system of Base Station Identification, it is characterised in that including：Macro base station and equipment of the core network；
The macro base station includes：
Pattern acquiring unit, for judging whether to be configured as opening base station mode of extension；
First identification generation unit, for if configured as base station mode of extension is opened, then being given birth to according to default configuration information Into the 3rd eNB ID being made up of the first basic Base Station Identification and extended base station mark；
Interface sets up request unit, and the S1 interfaces foundation that the 3rd eNB ID are carried for being sent to equipment of the core network please Ask；
Result receiving unit is set up, response message is set up for receiving the S1 interfaces that the equipment of the core network is returned, S1 is obtained and connects Mouth sets up result and the result for the 3rd eNB ID.
34. the configuration system of Base Station Identification as claimed in claim 33, it is characterised in that：
The macro base station also includes：
Second identification generation unit, for if configured as base station mode of extension is not turned on, then according to default configuration information The 4th eNB ID are generated, the 4th eNB ID only include the second basic Base Station Identification；
Wherein, the interface sets up request unit, and the S1 that the 4th eNB ID are carried for being sent to equipment of the core network connects Mouth sets up request；
It is described to set up result receiving unit, response message is set up for receiving the S1 interfaces that the equipment of the core network is returned, is obtained S1 interfaces set up result and the result for the 4th eNB ID.
35. the configuration system of Base Station Identification as claimed in claim 34, it is characterised in that：
Bit number shared by the first basic Base Station Identification and the second basic Base Station Identification is all 20 bits；
The shared bit number of the extended base station mark is the extended bit number W that network management system is configured.
36. the configuration system of Base Station Identification as claimed in claim 35, it is characterised in that：
Bit number of first identification generation unit in the case where opening base station mode of extension shared by the first Cell ID that generate with The bit number sum that the 3rd eNB ID take is 28；
Bit number shared by 2nd Cell ID of generation of second identification generation unit in the case where closing base station mode of extension The bit number sum taken with the 4th eNB ID is also 28.
37. the configuration system of Base Station Identification as claimed in claim 35, it is characterised in that：
The extended bit number W is less than or equal to 4.
38. the configuration system of Base Station Identification as claimed in claim 34, it is characterised in that：
The equipment of the core network includes：Mobile management entity MME；
The interface sets up request unit and carries the described first basic Base Station Identification and extension specifically for being sent to the MME The S1 interfaces of Base Station Identification set up request；Or the S1 interfaces for only carrying the described second basic Base Station Identification are sent to the MME Set up request.
39. the configuration system of Base Station Identification as claimed in claim 38, it is characterised in that:
The MME includes：
Address mark checks module, for the described first basic Base Station Identification and the extended base station to be identified and recorded Basic Base Station Identification and extended base station mark is matched, and checks whether there is identical basic Base Station Identification and expansion Open up Base Station Identification；
Interface sets up respond module, if for not there is no identical basic Base Station Identification and extended base station mark, remembered The described first basic Base Station Identification and extended base station mark are recorded, S1 interface response messages are sent to the macro base station, is notified S1 connections are successfully established；If there is identical basic Base Station Identification and extended base station mark, to the grand base Stand and send S1 interface failed messages, notify S1 connection failures, and the first error reason is carried in this S1 interface response message.
40. the configuration system of Base Station Identification as claimed in claim 39, it is characterised in that：
The address mark checks that the basic Base Station Identification that module is additionally operable to by the described second basic Base Station Identification with having recorded enters Row matching, checks whether and has been recorded with identical basic Base Station Identification；
If the interface sets up respond module and is additionally operable to not record identical basic Base Station Identification, described is recorded Two basic Base Station Identifications, S1 interface response messages are sent to the macro base station, notify S1 connections to be successfully established；If recorded There is identical basic Base Station Identification, then to macro base station transmission S1 interface failed messages, notice S1 connection failures, and The second error reason is carried in this S1 interface response message.
41. the configuration system of Base Station Identification as claimed in claim 40, it is characterised in that：
First error reason is that extended base station identifies repetition；
Second error reason repeats for basic Base Station Identification.
42. the configuration system of Base Station Identification as claimed in claim 35, it is characterised in that also include：
Second network management system, for whether opening base station mode of extension for macro base station configuration and setting the configuration information；
Wherein, the configuration information includes：The value of the extended bit number W；The extended bit number W is opening base station expanded mode Under formula effectively.
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