CN106454791A - Method for extending number of network support base stations, base station, terminal and core network device - Google Patents

Abstract

The present invention discloses a method for extending number of network support base stations. The method comprises: in the TLE network, a first base station obtains base station identification information itself (eNB ID); and the first base station sends itself eNB ID to a second base station, the terminal or the core network device, and the bits occupied by the eNB ID is larger than a standard threshold. The bits occupied by the eNB ID is 22-36 bits. The present invention also discloses a base station, a terminal and a core network device.

Description

The method of extended network support number of base stations, base station, terminal, equipment of the core network

Technical field

The present invention relates to Long Term Evolution (Long Term Evolution, LTE) technology, more particularly, to a kind of method of extended network support number of base stations, base station, terminal, equipment of the core network.

Background technology

With the continuous deployment of LTE network, in LTE network, base station (eNB) quantity is continuously increased, and ends for the end of the year 2014, the LTE macro base station 700,000 of certain telecom operators deployment.Specify in identical public land mobile network (Public Land Mobile Network in existing LTE protocol, PLMN in), by the identification information (eNB ID) of base station and E-UTRAN Cell Global Identifier (E-UTRAN Cell Global Identifier, ECGI, wherein E-UTRAN is referred to as the land radio access web (Evolved Universal Terrestrial Radio Access Network, E-UTRA) of evolution) base station in unique mark LTE network and cell.In agreement, regulation to characterize eNB ID by 20 bits (bit) at present, and additional 8 bits to characterize ECGI after the eNB ID of 20 bits.That is, according to existing protocol regulation, the maximum of eNB ID supports that number is 1,048,576.

With the continuous dilatation to LTE network for the telecom operators, only timesharing Long Term Evolution (TD-LTE, Time Division Long Term Evolution) macro base station quantity is possible to break through 1,000,000, that is, reach the maximum base station number supported of existing protocol；In addition, consider follow-up FDD (FDD, Frequency Division Duplexing) frequency range reuse after the macro base station quantity disposed and small station deployment quantity, eNB ID number specified in existing protocol is far from being enough it is therefore desirable to protocol level is supported to solve the deficient problem of eNB ID.

Content of the invention

In view of this, the embodiment of the present invention provides a kind of method of extended network support number of base stations, base station, terminal, equipment of the core network for solving at least one problem present in prior art, can extend LTE network and support number of base stations.

The technical scheme of the embodiment of the present invention is realized in：

In a first aspect, the embodiment of the present invention provides a kind of method of extended network support number of base stations it is characterised in that methods described includes：

In the lte networks, first base station obtains the base station identification information eNB ID of itself；

Described first base station sends the eNB ID of itself to the second base station, terminal or equipment of the core network, and the bit shared by described eNB ID is more than level threshold value.

Second aspect, the embodiment of the present invention provides a kind of method of extended network support number of base stations it is characterised in that methods described includes：

Terminal or equipment of the core network receive the first base station of first base station transmission or the base station identification information eNB ID of the second base station, and the bit shared by described eNB ID is more than level threshold value；

Terminal or equipment of the core network address corresponding base station according to the eNB ID of first base station or the second base station.

The third aspect, the embodiment of the present invention provides a kind of base station, and described base station includes acquiring unit and transmitting element, wherein：

Described acquiring unit, for obtaining the base station identification information eNB ID of itself；

Described transmitting element, in the lte networks, sending described eNB ID to the second base station, terminal or equipment of the core network, the bit shared by described eNB ID is more than level threshold value.

Fourth aspect, the embodiment of the present invention provides a kind of terminal, and described terminal includes receiving unit and addressing unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the base station identification information eNB ID of the second base station, the bit shared by described eNB ID is more than level threshold value；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.

5th aspect, the embodiment of the present invention provides a kind of equipment of the core network, and described equipment of the core network includes receiving unit and addressing unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the base station identification information eNB ID of the second base station, the bit shared by described eNB ID is more than level threshold value；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.

The method of extended network support number of base stations provided in an embodiment of the present invention, base station, terminal, equipment of the core network, wherein, in the lte networks, first base station obtains the eNB ID of itself；First base station sends the eNB ID of itself to the second base station, terminal or equipment of the core network, and the bit shared by described eNB ID is more than level threshold value；So, it is possible to extend LTE network support number of base stations.

Brief description

Fig. 1 realizes schematic flow sheet for the method for the embodiment of the present invention one extended network support number of base stations；

Fig. 2-1 is the schematic diagram one of the embodiment of the present invention two X2 interface Establishing process；

Fig. 2-2 is the schematic diagram one of the embodiment of the present invention two handover request flow process；

Fig. 2-3 is that the embodiment of the present invention two broadcasts schematic flow sheet；

Fig. 2-4 is the schematic diagram two of the embodiment of the present invention two X2 interface Establishing process；

Fig. 2-5 is the schematic diagram two of the embodiment of the present invention two handover request flow process；

Fig. 2-6 eats dishes without rice or wine to broadcast schematic flow sheet for the embodiment of the present invention two；

Fig. 3 realizes schematic flow sheet for the method for the embodiment of the present invention three extended network support number of base stations；

Fig. 4-1 is the composition structural representation one of the embodiment of the present invention four base station；

Fig. 4-2 is the composition structural representation one of the embodiment of the present invention four base station.

Specific embodiment

The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.

Embodiment one

Based on technical problem present in above-mentioned background technology, the embodiment of the present invention provides a kind of method that extended network supports number of base stations, the method is applied to base station, the function that the method is realized can be realized by the processor caller code in base station, certainly program code can be saved in computer-readable storage medium, it can be seen that, this base station at least includes processor and storage medium.

Fig. 1 realizes schematic flow sheet, as shown in figure 1, the method includes for the method for the embodiment of the present invention one extended network support number of base stations：

Step 101, in the lte networks, first base station obtains the eNB ID of itself；

Step 102, described first base station sends the base station identification information eNB ID of itself to the second base station, terminal or equipment of the core network, and the bit shared by described eNB ID is more than level threshold value.

Here, level threshold value can be the bit shared by eNB ID in existing LTE network technology, and for example, the bit shared by as eNB ID in existing LTE network is 20, and therefore, level threshold value can be equal to 20.

Base station described in the present invention and following examples, such as first base station, the second base station, base station A or base station B etc., can be the base station type such as macro base station, micro-base station, femto base station.

Here, described level threshold value is more than or equal to 20, and accordingly, the bit shared by described eNB ID is 22 to 36.During implementing, can be realized using following several ways：

Mode one, described eNB ID is represented using the N position of the leftmost side in 8 shared by the Cell Global Identifier ECGI of the land radio access web of original evolution and the Global eNB id field of 20, wherein said N is the integer more than 1, and as preferred embodiment, N can be 2 to 4.

Mode two, the Global eNB id field using the bit shared by original system information and 20 to represent described eNB ID.Wherein said system information includes：Tracking Area Code (Tracking area code, TAC), the identification information (PCI, Physical Cell ID) of physical area, base station name eNB Name.

Mode three, it is that Global eNB id field more than 20 represents described eNB ID using number of bits, for example, the Global eNB id field being 22 to 24 using number of bits represents described eNB ID, the Global eNB id field of original 20 will be changed into the Global eNB id field of 22 to 24.

Mode four, using number of bits be 4, the Extended eNB id field of 8,16 and the Global eNB id field of 20 represent described eNB id information.Wherein said Extended eNB id field is located at the left side of described Global eNB id field.

In the embodiment of the present invention, in the lte networks, the method for extended network support number of base stations provided in an embodiment of the present invention, base station, terminal, equipment of the core network, wherein, in the lte networks, first base station obtains the eNB ID of itself；First base station sends the eNB ID of itself to the second base station, terminal or equipment of the core network, and the bit shared by described eNB ID is more than 20；So, it is possible to extend LTE network support number of base stations.

Embodiment two

Based on aforesaid embodiment one, will there is situation about limiting for current network side eNB ID in the embodiment of the present invention, by being designed to agreement, to meet the sustainable development demand of following operator.Major programme provided in an embodiment of the present invention includes：

Scheme 1：Borrow the bit number shared by ECGI.

In prior art, ECGI has altogether and takies 8 bits；In embodiments of the present invention eNB ID is distributed in the leftmost side 2 to 4 in 8 bits shared by ECGI to use.The advantage of the program 1 is, old terminal can read ECGI；Here, the terminal before described old terminal refers to using technical scheme provided in an embodiment of the present invention, correspondingly, new terminal refer to using technical scheme after terminal.

The shortcoming of the program 1 resides in reduced the Cell quantity supported under same eNB, has certain impact possibly for deployment scenario such as home evolved node Bs (Home evolved Node B, HeNB).Additionally, the problem that the program 1 produces is from the point of view of core net, two cells with identical eNB ID should belong to same eNB, and it is to be set up based on eNB ID that S1/X2 interface is set up, and therefore easily allows adjacent eNB and MME produce and obscure.In TS36.413/TS36.423, as shown in table 1 to the concrete modification of agreement taking 4 bits using the leftmost side as a example：

Table 1

It should be noted that above-mentioned table 1 and table 2 below and table 3, in order to corresponding with 3GPP standard, employ the describing mode of English, may refer to the description in bracket with regard to Chinese accordingly.With regard to more detailed description, refer to the 3GPP standard of correlation.Bit stream (28) refers to the digit shared by Home eNB ID, represented using the field of 20 in Global eNB ID currently available technology, and in the embodiment of the present invention, represented using the field of 24 in Global eNB ID currently available technology, Home eNB ID is equal with Cell ID at present, it is 28, so a Home eNB only supports a cell (Cell).

Below technical scheme 1 is illustrated with core net MME interaction flow using X2 interface Establishing process and base station, specifically,

1) interaction flow between base station, such as adopt X2 interface Establishing process between base station；Fig. 2-1 is the schematic diagram one of embodiment of the present invention X2 interface Establishing process, and as shown in Fig. 2-1, this flow process includes：

Step 201, base station A sends X2 interface to base station B and sets up request, and wherein X2 interface sets up the eNB id information that request bag contains 24 of base station A；

Step 202, B parsing X2 interface in base station sets up request, obtains the id information of 24 base station A and 28 cell ID information；

Here, the resolving of base station B is mainly to determine that needs are initiated X2 interface to which base station and set up response, it should be noted that the cell ID information in macro base station is equal with HeNB ID, therefore, cell ID information is 28.

Step 203, base station B sends X2 interface to base station A and sets up response, and wherein X2 interface sets up the eNB id information of comprise base station B in response 24；

Step 204, base station A parses 24 eNB id informations and 28 cell ID information.

2) base station and core net MME interaction flow, the such as foundation of S1 interface, switching flow, SON related procedure, this is described as a example sentencing handover request flow process.Fig. 2-2 is the schematic diagram one of the embodiment of the present invention two handover request flow process, and as shown in Fig. 2-2, this flow process includes：

Step 211, base station A sends S1 interface message, such as handover request message to MME A, wherein comprises the id information of 24 of target BS B；

Step 212, MME parses 24 eNB id informations and addresses corresponding base station；

Step 213, MME sends S1 interface message, such as handover request message to base station B；

Step 214, base station B feeds back switch acknowledgment message to MME；

Step 215, base station B sends S1 switching response message to MME；

Step 216, MME sends switching command message to base station A.

Scheme 2, is directly extended eNB id field or using extended field, eNB ID quantity is extended；

Specifically, scheme 2 includes following scheme again.

Scheme 2-1, directly extends eNB id field.Specifically, in a standard eNB id field is directly extended to 22 to 24, thus can meet under same public land mobile network (Public Land Mobile Network, PLMN) 400 ten thousand to 1,600 ten thousand base station deployment demand.The advantage of program 2-1 is：Simple and clear.The shortcoming of program 2-1 is that compatibility is poor, and old terminal cannot read ECGI, and taking expand to 24 as a example, as shown in table 2, the Cell ID that now single base station can be supported is constant for concrete modification mode.

Table 2

In flow process involved by this programme 2-1, X2 interface is similar with the X2 interface in such scheme 1 and S1 interface with S1 Interface Flowchart, therefore repeats no more.Broadcast flow process in scheme 2-1 is described below, Fig. 2-3 is that the embodiment of the present invention two broadcasts schematic flow sheet, and as Figure 2-3, this broadcast flow process includes：

Step 221, base station sends broadcast to terminal；

Here, the cell ID information of J position is carried in described broadcast, in wherein said cell ID information, front Q position represents the eNB ID of described first base station, wherein said J is the integer more than 20, and described Q is the integer more than 20, and described J is more than described Q, for example, broadcast includes the cell ID information of 32 of eNB id information, and in the cell ID information of 32, first 24 is eNB id information, and latter 8 is ECGI；

Step 222, terminal receives described broadcast；

For example, broadcast includes 32 cell ID information.

Scheme 2-2, using existing Information expansion eNB ID.Specifically, using existing system information, realize uniquely judging eNB in a network by MME or eNB, such as eNB ID+TAC, eNB ID+PCI, eNB ID+eNB Name etc..Program 2-2 the disadvantage is that, existing other system such as TAC, PCI, eNB Name is it is difficult to ensure that the whole network is unique.The program does not need to change existing protocol and flow process, realizes distinguishing eNB information by way of mate existing eNB ID with other information.

Scheme 2-3, using new eNB ID extension bits.

Keep original quantity in existing eNB ID digit, carry out eNB ID extension using extension bits, extended mode is as follows, in Global eNB ID definition, add Extended eNB ID, concrete digit is 4,8 or 16, as shown in table 3：

Table 3

It should be noted that there being following several：

1) eat dishes without rice or wine ECGI broadcast or during terminal to report, ECGI is added in corresponding information, such as SIB2 etc..Or the ECGI that eats dishes without rice or wine still broadcasts 28 ECGI, Extended eNB ID is added by implementation by eNB.

2) Extended eNB ID can be placed on the leftmost side of Global eNB ID, that is, in the form of " Extended eNB ID+Global eNB ID ".Extended eNB ID in table 3 is optional, that is, in this PLMN, then sends this IE if necessary, if eNB quantity is insufficient, can select not sending this IE.

3) if adjacent base station or core net MME do not recognize this IE, mistake can be produced it is therefore desirable to adjacent base station or core net MME are upgraded.The ECGI being 28 in the form of identification of the Cell ID that eats dishes without rice or wine, if terminal is old terminal, still reads original 28 old Cell ID, above giving the correct time to remain on reports original 28 old Cell ID, is processed according to realization by MME/eNB；If terminal is new terminal, read 28 Cell ID+ extension bits, this extension bits is designed as independent IE；Two kinds of situations of a and b are divided to discuss below, a) for 28 ECGI of old terminal to report, eNB, the TAI that is, MME or eNB is used by terminal source base station being possible to produce ambiguity is determined by the TAC reporting geographic area eNB to be used, confirms the geographic area of target BS：If multiple base station Zhong You base stations with identical ECGI use TAI identical with source base station, this base station is selected to be target BS；If not having base station identical with source base station TAI in multiple base stations with identical ECGI, select the base station in the TAI adjacent with source base station TAI as target BS.Deployment request：Need the eNB ID ensureing the different eNB in adjacent TAI different in deployment；B) base station finds that reporting terminal is old terminal, and confirms that surrounding has other legacy versions eNB to cover, then refusal terminal accesses.

Below taking increase the X2 flow process of 4 Extended eNB ID as a example, the technical scheme of the embodiment of the present invention is described, Fig. 2-4 is the schematic diagram two of the embodiment of the present invention two X2 interface Establishing process, and as in Figure 2-4, this flow process includes：

Step 231, base station A sends X2 interface to base station B and sets up request, and X2 interface sets up the Extended eNB id information comprising 4 in request；

Here, step 231 is taking 4 as a example, and generally, X2 interface sets up the Extended eNB id field that can include I position in request, and wherein said I is the integer more than or equal to 1, and for example, I is 4,8 or 16.

Step 232, base station B parses the Extended eNB id information of 20 eNB id informations and 4；

Step 233, base station B sends X2 interface to base station A and sets up response, and wherein X2 interface sets up the Extended eNB id information that response bag contains 4；

Step 234, base station B parses the eNB id information of 20 and the Extended eNB id information of 4；

Below taking increase the S1 flow process of 4 Extended eNB ID as a example, the technical scheme of the embodiment of the present invention is described, Fig. 2-5 is the schematic diagram two of the embodiment of the present invention two handover request flow process, and as shown in Figure 2-5, this flow process includes：

Step 241, base station A sends S1 interface message, such as handover request message to MME A, wherein comprises the Extended eNB id information of 4；

Step 242, MME parses 20 eNB id informations and 4 Bits Expanding eNB id informations and addresses corresponding eNB；

Step 243, MME sends S1 interface message, such as handover request message to base station B；

Step 244, base station B feeds back switch acknowledgment message to MME, and described switch acknowledgment message is used for showing switching flow is added their confirmation；

Step 245, base station B sends S1 switching response message to MME；

Step 246, MME sends switching command message to base station A, and described switching command message is used for indicating that base station A switches over.

Below taking the broadcast flow process of eating dishes without rice or wine increasing by 4 Extended eNB ID as a example, the technical scheme of the embodiment of the present invention is described, Fig. 2-6 eats dishes without rice or wine to broadcast schematic flow sheet for the embodiment of the present invention two, and as shown in figures 2-6, this flow process includes：

Step 251, base station broadcast contains the new cell ID information of Extended eNB id information；

Step 252, terminal receives the new cell ID information containing Extended eNB id information.

Embodiment three

Based on aforesaid embodiment, the embodiment of the present invention provides a kind of method that extended network supports number of base stations, the method is applied to terminal or equipment of the core network, wherein, equipment of the core network may refer to mobile management entity (MME, Mobility Management Entity), and Fig. 3 realizes schematic flow sheet for the method for the embodiment of the present invention three extended network support number of base stations, as shown in figure 3, the method includes：

Step 301, receives the first base station of first base station transmission or the base station identification information eNB ID of the second base station, and the bit shared by described eNB ID is more than 20；

Step 302, the eNB ID according to described first base station or the second base station addresses corresponding base station.

It should be noted that above-mentioned steps 301 to 302 can be completed by terminal, or, above-mentioned steps 301 to 302 can be completed by equipment of the core network.

Example IV

Based on aforesaid embodiment of the method, the embodiment of the present invention provides a kind of base station, acquiring unit in this base station, transmitting element, receiving unit, resolution unit and addressing unit, can be realized by the processor in base station；Certainly also can be realized by specific logic circuit；During specific embodiment, processor can be central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc..

Fig. 4-1 is the composition structural representation one of the embodiment of the present invention four base station, and as shown in Fig. 4-1, this base station 400 includes acquiring unit 401 and transmitting element 402, wherein：

Described acquiring unit 401, in the lte networks, obtaining the eNB ID of itself；

Described transmitting element 402, for sending eNB ID to the second base station, terminal or equipment of the core network, the bit shared by described eNB ID is more than 20.

Here, the bit shared by described eNB ID is 22 to 36.

In the embodiment of the present invention, represent that described eNB ID, wherein said N are the integer more than 1 using the N position of the leftmost side in 8 shared by the Cell Global Identifier ECGI of the land radio access web of original evolution and the Global eNB id field of 20.

In the embodiment of the present invention, described transmitting element, set up request for sending X2 interface to the second base station, described X2 interface sets up the eNB ID that request includes described first base station.

In the embodiment of the present invention, as shown in the Fig. 4-2, described base station 400 also includes receiving unit 411, resolution unit 412 and addressing unit 413, wherein：

Described receiving unit 411, sets up response for receiving the X2 interface that the second base station sends, described X2 interface sets up the eNB ID that response includes 22 to 24 of the second base station；

Described resolution unit 412, for parsing the eNB ID of 22 to 24 of described second base station；

Described addressing unit 413, the eNB ID for 22 to 24 according to described second base station addresses corresponding base station.

In the embodiment of the present invention, described transmitting element, it is additionally operable to send S1 handover request message to equipment of the core network, described S1 handover request message includes the eNB ID of target BS；

Described receiving unit, is additionally operable to receive the switching command message that equipment of the core network sends, and carries the S1 switching response message of target BS transmission in described switching command message.

In the embodiment of the present invention, the Global eNB id field using the bit shared by original system information and 20 to represent described eNB ID.Wherein, it is that Global eNB id field more than 20 represents described eNB ID, for example, 22 or 24 using number of bits.

Here, described transmitting element, it is additionally operable to send broadcast to terminal, the cell ID information of J position is carried in described broadcast, in wherein said cell ID information, front Q position represents the eNB ID of described first base station, wherein said J is the integer more than 20, and described Q is the integer more than 20, and described J is more than described Q；For example, transmitting element sends broadcast to terminal, carries the cell ID information of 32 in described broadcast, the eNB ID of front 22 to 24 described first base stations of expression in the cell ID information of wherein said 32.

In the embodiment of the present invention, using number of bits be the Extended eNB id field of I position and the Global eNB id field of 20 represents described eNB id information, and wherein said I is the integer more than or equal to 1；For example, using number of bits be 4, the Extended eNB id field of 8,16 and the Global eNB id field of 20 represent described eNB id information.Wherein, described Extended eNB id field is located at the left side of described Global eNB id field.

In the embodiment of the present invention, described transmitting element, it is additionally operable to send X2 interface foundation request to the second base station, described X2 interface sets up the Global eNB id field that request includes Extended eNB id field and 20, and the Global eNB id field of described Extended eNB id field and 20 is joined together the eNB ID for representing described first base station.

Here, described base station also includes receiving unit, resolution unit and addressing unit, wherein：

Described receiving unit, set up response for receiving the X2 interface that the second base station sends, described X2 interface sets up the Global eNB id field that response includes Extended eNB id field and 20, and the Global eNB id field of described Extended eNB id field and 20 is used for the eNB ID of 22 to 24 of expression the second base station；

Described resolution unit, for parsing the Global eNB id field of described Extended eNB id field and 20, obtains the eNB ID of described second base station；

Described addressing unit, addresses corresponding base station for the eNB ID according to described second base station.

Here, described transmitting element, it is additionally operable to send S1 handover request message to equipment of the core network, described S1 handover request message includes the eNB ID of target BS, and the eNB ID of described target BS is represented using the Global eNB id field of Extended eNB id field and 20；

Described receiving unit, for receiving the switching command message of equipment of the core network transmission, carries the S1 switching response message of target BS transmission in described switching command message.

It need to be noted that be：The description of above base station embodiment, the description with said method embodiment is similar, has the similar beneficial effect of same embodiment of the method, does not therefore repeat.For the ins and outs not disclosed in base station embodiment of the present invention, refer to the description of the inventive method embodiment and understand, for saving length, therefore repeat no more.

Embodiment five

Based on aforesaid embodiment of the method, the embodiment of the present invention provides a kind of terminal, receiving unit in this terminal, resolution unit and addressing unit, can be realized by the processor in terminal；Certainly also can be realized by specific logic circuit；During specific embodiment, processor can be central processing unit, microprocessor, digital signal processor or field programmable gate array etc..Described terminal includes receiving unit, resolution unit and addressing unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the base station identification information eNB ID of the second base station, the bit shared by described eNB ID is more than 20；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.

It need to be noted that be：The description of above terminal embodiment, the description with said method embodiment is similar, has the similar beneficial effect of same embodiment of the method, does not therefore repeat.For the ins and outs not disclosed in terminal embodiment of the present invention, refer to the description of the inventive method embodiment and understand, for saving length, therefore repeat no more.

Embodiment six

Based on aforesaid embodiment of the method, the embodiment of the present invention provides a kind of equipment of the core network, receiving unit in this equipment of the core network, resolution unit and addressing unit, can be realized by the processor in equipment of the core network；Certainly also can be realized by specific logic circuit；During specific embodiment, processor can be central processing unit, microprocessor, digital signal processor or field programmable gate array etc..Described equipment of the core network includes receiving unit and addressing unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the eNB ID of the second base station, the bit shared by described eNB ID is more than 20；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.

It need to be noted that be：The description of above equipment of the core network embodiment, the description with said method embodiment is similar, has the similar beneficial effect of same embodiment of the method, does not therefore repeat.For the ins and outs not disclosed in equipment of the core network embodiment of the present invention, refer to the description of the inventive method embodiment and understand, for saving length, therefore repeat no more.

It should be understood that " embodiment " or " embodiment " that description is mentioned in the whole text means that the special characteristic relevant with embodiment, structure or characteristic are included at least one embodiment of the present invention.Therefore, " in one embodiment " or " in one embodiment " that occur everywhere in entire disclosure not necessarily refers to identical embodiment.Additionally, these specific features, structure or characteristic can combine in one or more embodiments in any suitable manner.It should be understood that, in various embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not constitute any restriction to the implementation process of the embodiment of the present invention.

It should be understood that disclosed equipment and method in several embodiments provided herein, can realize by another way.Apparatus embodiments described above are only schematically, for example, the division of described unit, only a kind of division of logic function, actual can have other dividing mode, such as when realizing：Multiple units or assembly can combine, or are desirably integrated into another system, or some features can be ignored, or do not execute.In addition, the coupling each other of shown or discussed each ingredient or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of equipment or unit or communication connection, can be electrical, machinery or other forms.

The above-mentioned unit illustrating as separating component can be or may not be physically separate, as the part that unit shows can be or may not be physical location；Both may be located at a place it is also possible to be distributed on multiple NEs；The purpose to realize this embodiment scheme for the part or all of unit therein can be selected according to the actual needs.

In addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit or each unit individually as a unit it is also possible to two or more units are integrated in a unit；Above-mentioned integrated unit both can be to be realized in the form of hardware, it would however also be possible to employ the form that hardware adds SFU software functional unit is realized.

One of ordinary skill in the art will appreciate that：The all or part of step realizing said method embodiment can be completed by the related hardware of programmed instruction, and aforesaid program can be stored in computer read/write memory medium, and this program upon execution, executes the step including said method embodiment；And aforesaid storage medium includes：Movable storage device, read only memory (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.

Or, if the above-mentioned integrated unit of the present invention realized using in the form of software function module and as independent production marketing or use when it is also possible to be stored in a computer read/write memory medium.Based on such understanding, what the technical scheme of the embodiment of the present invention substantially contributed to prior art in other words partly can be embodied in the form of software product, this computer software product is stored in a storage medium, including some instructions with so that computer equipment (can be personal computer, server or network equipment etc.) executes all or part of each embodiment methods described of the present invention.And aforesaid storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with the medium of store program codes.

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art the invention discloses technical scope in; change or replacement can be readily occurred in, all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.

Claims (32)

1. a kind of extended network supports the method for number of base stations it is characterised in that methods described includes：

In the lte networks, first base station obtains the base station identification information eNB ID of itself；

Described first base station sends the eNB ID of itself to the second base station, terminal or equipment of the core network, described Bit shared by eNB ID is more than level threshold value.

2. method according to claim 1 is it is characterised in that described level threshold value is more than or equal to 20 Position, accordingly, the bit shared by described eNB ID is 22 to 36.

3. method according to claim 1 is it is characterised in that wirelessly connect using the land of original evolution The Global of the N position of the leftmost side and 20 in shared by Cell Global Identifier ECGI 8 networking ENB id field represents that described eNB ID, wherein said N are the integer more than 1.

4. method according to claim 3 is it is characterised in that described first base station is sent out to the second base station X2 interface is sent to set up request, described X2 interface sets up the eNB ID that request includes described first base station.

5. method according to claim 4 is it is characterised in that methods described also includes：

Described first base station sends X2 interface to the second base station and sets up response, and described X2 interface is set up in response ENB ID including the second base station；

Described first base station parses the eNB ID of described second base station, and the eNB ID according to described second base station Address corresponding base station.

6. method according to claim 3 is it is characterised in that described first base station is to equipment of the core network Send S1 handover request message, described S1 handover request message includes 22 to 24 s' of target BS eNB ID；

Described first base station receives the switching command message that equipment of the core network sends, in described switching command message Carry the S1 switching response message of target BS transmission.

7. method according to claim 1 is it is characterised in that some are believed using in original system information Cease shared bit and the Global eNB id field of 20 to represent described eNB ID jointly.

8. method according to claim 7 is it is characterised in that described system information includes：Tracking area Domain code tracing Area code TAC, the identification information PCI of physical area, base station name eNB Name.

9. method according to claim 1 is it is characterised in that be more than 20 using number of bits Global eNB id field represent described eNB ID.

10. method according to claim 9 is it is characterised in that described first base station sends to terminal Broadcast, carries the cell ID information of J position, wherein said cell ID information in described broadcast In front Q position represent the eNB ID of described first base station, wherein said J is the integer more than 20, described Q It is the integer more than 20, and described J is more than described Q.

11. methods according to claim 1 are it is characterised in that be I position using number of bits The Global eNB id field of Extended eNB id field and 20 represents described eNB id information, its Described in I be integer more than or equal to 1.

12. methods according to claim 11 are it is characterised in that described Extended eNB ID word Section is located at the left side of described Global eNB id field.

13. methods according to claim 11 or 12 are it is characterised in that described first base station is to Two base stations send X2 interface and set up request, and described X2 interface is set up request and included Extended eNB ID The Global eNB id field of field and 20, the Global of described Extended eNB id field and 20 ENB id field is joined together the eNB ID for representing described first base station.

14. methods according to claim 13 are it is characterised in that methods described also includes：

Described first base station sends X2 interface to the second base station and sets up response, and described X2 interface is set up in response Including the Global eNB id field of Extended eNB id field and 20, described Extended eNB ID The Global eNB id field of field and 20 is used for representing the eNB ID of 22 to 24 of the second base station；

Described first base station parses the Global eNB ID word of described Extended eNB id field and 20 Section, obtains the eNB ID of described second base station, and is addressed corresponding according to the eNB ID of described second base station Base station.

15. methods according to claim 11 or 12 are it is characterised in that described first base station is to core Heart net equipment sends S1 handover request message, and described S1 handover request message includes the eNB of target BS ID, the eNB ID of described target BS adopt the Global eNB ID of Extended eNB id field and 20 Field represents；

Described first base station receives the switching command message that equipment of the core network sends, in described switching command message Carry the S1 switching response message of target BS transmission.

A kind of 16. extended networks support the method for number of base stations it is characterised in that methods described includes：

Terminal or equipment of the core network receive the first base station of first base station transmission or the Base Station Identification letter of the second base station Breath eNB ID, the bit shared by described eNB ID is more than level threshold value；

Terminal or equipment of the core network address corresponding base according to the eNB ID of described first base station or the second base station Stand.

A kind of 17. base stations are it is characterised in that described base station includes acquiring unit and transmitting element, wherein：

Described acquiring unit, for obtaining the base station identification information eNB ID of itself；

Described transmitting element, in the lte networks, sending to the second base station, terminal or equipment of the core network Described eNB ID, the bit shared by described eNB ID is more than level threshold value.

18. base stations according to claim 17 are it is characterised in that bit shared by described eNB ID Position is 22 to 36.

19. base stations according to claim 17 are it is characterised in that the land using original evolution is wireless The Global of the N position of the leftmost side and 20 in shared by Cell Global Identifier ECGI 8 of access network ENB id field represents that described eNB ID, wherein said N are the integer more than 1.

20. base stations according to claim 19 it is characterised in that described transmitting element, for Two base stations send X2 interface and set up request, and described X2 interface is set up request and included described first base station eNB ID.

21. base stations according to claim 20 it is characterised in that described base station also include receiving unit, Resolution unit and addressing unit, wherein：

Described receiving unit, sets up response, described X2 interface for receiving the X2 interface that the second base station sends Set up the eNB ID that response includes the second base station；

Described resolution unit, for parsing the eNB ID of described second base station；

Described addressing unit, addresses corresponding base station for the eNB ID according to described second base station.

22. base stations according to claim 19 it is characterised in that described transmitting element, be additionally operable to Equipment of the core network sends S1 handover request message, and described S1 handover request message includes the eNB of target BS ID；

Described receiving unit, is additionally operable to receive the switching command message that equipment of the core network sends, described switching life Make the S1 switching response message carrying target BS transmission in message.

23. base stations according to claim 17 are it is characterised in that adopt shared by original system information Bit and the Global eNB id field of 20 representing described eNB ID.

24. base stations according to claim 17 are it is characterised in that be more than 20 using number of bits Global eNB id field represent described eNB ID.

25. base stations according to claim 24 it is characterised in that described transmitting element, be additionally operable to Terminal sends broadcast, carries the cell ID information of J position, wherein said cell in described broadcast In id information, front Q position represents that the eNB ID of described first base station, wherein said J are the integer more than 20, Described Q is the integer more than 20, and described J is more than described Q.

26. base stations according to claim 17 are it is characterised in that be I position using number of bits The Global eNB id field of Extended eNB id field and 20 represents described eNB id information, its Described in I be integer more than or equal to 1.

27. base stations according to claim 26 are it is characterised in that described Extended eNB ID word Section is located at the left side of described Global eNB id field.

28. base stations according to claim 26 or 27, it is characterised in that described transmitting element, are gone back Set up request for sending X2 interface to the second base station, described X2 interface is set up request and included Extended The Global eNB id field of eNB id field and 20, described Extended eNB id field and 20 The Global eNB id field of position is joined together the eNB ID for representing described first base station.

29. base stations according to claim 28 it is characterised in that described base station also include receiving unit, Resolution unit and addressing unit, wherein：

Described receiving unit, sets up response, described X2 interface for receiving the X2 interface that the second base station sends Set up the Global eNB id field that response includes Extended eNB id field and 20, described The Global eNB id field of Extended eNB id field and 20 is used for representing the eNB of the second base station ID；

Described resolution unit, for parsing the Global eNB of described Extended eNB id field and 20 Id field, obtains the eNB ID of described second base station；

Described addressing unit, addresses corresponding base station for the eNB ID according to described second base station.

30. base stations according to claim 26 or 27, it is characterised in that described transmitting element, are gone back For sending S1 handover request message to equipment of the core network, described S1 handover request message includes target base The eNB ID standing, the eNB ID of described target BS adopt Extended eNB id field and 20 s' Global eNB id field represents；

Described receiving unit, for receiving the switching command message of equipment of the core network transmission, described switching command The S1 switching response message of target BS transmission is carried in message.

A kind of 31. terminals are it is characterised in that described terminal includes receiving unit and addressing unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the Base Station Identification of the second base station Information eNB ID, the bit shared by described eNB ID is more than level threshold value；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.

A kind of 32. equipments of the core network are it is characterised in that described equipment of the core network includes receiving unit and addressing Unit, wherein：

Described receiving unit, for receiving the first base station of first base station transmission or the Base Station Identification of the second base station Information eNB ID, the bit shared by described eNB ID is more than level threshold value；

Described addressing unit, addresses corresponding base station for the eNB ID according to first base station or the second base station.