CN101841850B - Method, device and system for acquiring neighboring cell load information from LTE system - Google Patents
Method, device and system for acquiring neighboring cell load information from LTE system Download PDFInfo
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Abstract
The invention discloses a method for acquiring neighboring cell load information from an LTE system. The method comprises the following steps that: a first base station sends a load request message which carries a base station identifier of a second base station to a mobile management entity (MME) through an S1 interface; the MME resolves the load request message and sends a load request retransmission message which carries the base station identifier of the first base station to the second base station through the S1 interface; the second base station acquires the load information of a cell which is controlled by the second base station and sends a load response message which carries the base station identifier of the first base station and the load message to the MME through the S1 interface; and the MME sends the load response retransmission message which carries the base station identifier of the second base station and the load message to the first base station through the S1 interface. The invention also discloses a system and the mobile management entity which can apply the method. The invention provides the scheme of realizing acquisition of the neighboring cell load message by using the S1 interface, so the reliability of the system is improved.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly (Long Term Evolution LTE) obtains the methods, devices and systems of neighboring cell load information in the system in the Long Term Evolution project.
Background technology
(Evolved-Universal Mobile Telecommunication System Terrestrial Radio Access Network, E-UTRAN) annexation of middle network element is as shown in Figure 1 for the UMTS grounding wireless access network of the evolution in the LTE system.E-UTRAN comprises several base stations (eNB) 102; The user plane (packet data control agreement/Radio Link control/media access control layer/physical layer) of E-UTRA and the agreement of chain of command (Radio Resource control (RRC)) are provided, end at subscriber equipment (UE).Can interconnect through X2 interface between the eNB 102.ENB102 is through packet nuclear (Evolved Packet Core, EPC) 101 connections of S1 interface and evolution.Said EPC can be mobile management entity (Mobile Management Entity, MME) or gateway (Service Gateway, S-GW).The S1 interface comprises user plane and control plane two parts, on user plane, is the S1-U interface between eNB and the S-GW, is used for service data transmission, is the S1-MME interface between ENB and the MME on the control plane, is used for command transmitting.ENB102 is connected with MME through S1-MME interface, is connected with S-GW through S1-U interface.The S1 interface is supported multi-multipoint being connected between MME/S-GW and the eNB.
In the LTE system, load comprises three key elements: the load of radio bearers (load on promptly eating dishes without rice or wine), transport network layer and the hardware load of node.Wherein radio bearers has following form according to the definition of agreement:
1, total Physical Resource Block (Physical Resource Block, PRB) utilance;
2, the PRB utilance of particular traffic type;
3, the PRB utilance of descending CCCH;
4, the PRB utilance of up CCCH;
The utilance of the random access guiding that 5, receives.
The purpose of load balancing is that the load with the minizone reasonably distributes, with the high usage that guarantees Radio Resource, the highland keeps QoS (QoS), keeps enough little cutting off rate etc. as far as possible.The load balancing algorithm generally is to be basis for estimation with neighboring cell load information, switch and the parameter of district reselecting through the adjustment sub-district, the relevant load transfer of high load capacity sub-district in the underload sub-district.
In the load balancing process, eNB can utilize the x2 interface to realize the request of neighboring cell load information.But there is not x2 to connect in some cases between the eNB, for example:
1, integration reference point management station (Integration Reference Point ManagerIRPManager) forbids that source eNB sets up x2 to purpose eNB and connects;
2, comprised a large amount of little base station (micro eNB) in the overlay area of a macro base station (macro eNB); Micro eNB sets up a large amount of physical resource that the request meeting consumes macro eNB to the X2 between the macro eNB, and therefore IRPMananger does not allow micro eNB and macro eNB to set up the x2 interface in this case.
3. on the border, administrative region, like near the eNB the provincial boundaries, IRPManager does not allow the eNB of boundary and the eNB in other provinces to set up X2 interface.
ENB is not when having the situation of x2 interface, and two eNB still have the needs that carry out load balancing.For example be not allow to set up the x2 interface between micro eNB and macro eNB, if but load need be a part of load transfer among the micro eNB among macro eNB when heavier among the micro eNB.
Under the situation that does not have the x2 interface between the eNB, prior art can't realize obtaining neighboring cell load information.
Summary of the invention
In view of this, the embodiment of the invention proposes a kind of methods, devices and systems that in the LTE system, obtain neighboring cell load information, can under the situation that does not have the x2 interface between the eNB, realize obtaining of neighboring cell load information.
The method of the neighboring cell load information of in the LTE system, obtaining that the embodiment of the invention proposes, the sub-district of the sub-district of first base stations control and second base stations control is a neighbor cell, comprises the steps:
The load request message is sent through the MME of S1 interface in the first mobile management entity MME pond at place, first base station in first base station, comprises the Base Station Identification of second base station in the said load request message;
Said MME resolves said load request message, judges whether second base station belongs to a MME pond, if then send load request transfer message through the S1 interface to second base station; Otherwise, confirm that the MME pond under second base station is the 2nd MME pond, and the arbitrary MME in the 2nd MME pond transmits said load request message; The MME that receives the load request message in said the 2nd MME pond sends load request transfer message to second base station; The Base Station Identification that comprises first base station in the said load request transfer message;
Second base station obtains the information on load of its sub-district of controlling, and sends the load response message through arbitrary MME of S1 interface in the 2nd MME pond, comprises the Base Station Identification and the said information on load of first base station in the said load response message;
MME in said the 2nd MME pond of receiving the load response message judges that first base station does not belong to the 2nd MME pond, confirm that then the MME pond that first base station belongs to is a MME pond, and the arbitrary MME in a MME pond transmits said load response message; The Base Station Identification and the said information on load that comprise first base station in the said load response message;
Receive that MME in the MME pond of load response message sends load through the S1 interface to first base station and replys transfer message, said load is replied Base Station Identification and the said information on load that comprises second base station in the transfer message.
The embodiment of the invention also discloses a kind of system that in the LTE system, obtains neighboring cell load information; Comprise first base station, second base station, the first mobile management entity MME pond and the 2nd MME pond; Said first base station belongs to a MME pond, second base station belongs to the 2nd MME pond, and the sub-district of first base station and second base stations control is a neighbor cell;
Said first base station is used for sending the load request message through the S1 interface to the MME in a MME pond, comprises the Base Station Identification of second base station in the said load request message; Also be used for replying transfer message through the reception of S1 interface from the load of the MME in a MME pond, said load is replied Base Station Identification and the information on load that comprises second base station in the transfer message;
MME in the one MME pond is used to resolve the load request message from first base station, judges that second base station does not belong to a MME pond, confirms that the MME pond under second base station is the 2nd MME pond, and the arbitrary MME in the 2nd MME pond transmits said load request message; Also be used to receive the load response message from the MME in the 2nd MME pond, and send load to first base station and reply transfer message, said load is replied Base Station Identification and the information on load that comprises second base station in the transfer message;
MME in the 2nd MME pond is used for receiving the load request message from the MME in a MME pond, sends load request transfer message to second base station, comprises the Base Station Identification of first base station in the said load request transfer message; Also be used for receiving load response message from second base station through the S1 interface; Judge that the first corresponding base station of Base Station Identification of carrying in the load response message does not belong to the 2nd MME pond; Confirm that first base station belongs to a MME pond, and the MME in a MME pond sends said load response message;
Said second base station is used for receiving the load request transfer message from the MME in the 2nd MME pond through the S1 interface; Obtain the information on load of its sub-district of controlling; And, comprise the Base Station Identification and the information on load of first base station in the said load response message through the MME transmission load response message of S1 interface in the 2nd MME pond.
The embodiment of the invention also proposes a kind of MME, and said MME is connected with the base station through the S1 interface, and said MME belongs to a MME pond, and is connected with the MME that belongs to the 2nd MME pond; The said MME that belongs to a MME pond comprises:
Transceiver module; Be used for receiving load request message from the Base Station Identification that carries second base station of first base station through the S1 interface; Said load request message is sent to parsing module, and will be sent to second base station through the S1 interface from the load request transfer message of the Base Station Identification that comprises first base station of resolving module;
Parsing module with resolving the load request message of being received, generates the load request transfer message of the Base Station Identification that comprises first base station, and said load request transfer message is sent to transceiver module;
Judge module is used for judging whether the second corresponding base station of Base Station Identification that load request message that said transceiver module is received carries belongs to a MME pond, if then said load request message is sent to parsing module; Otherwise, confirm that second base station belongs to the 2nd MME pond, is sent to the MME in the 2nd MME pond with said load request message.
Can find out from above technical scheme; Utilize MME as message transfer entity; First base station is sent the load request message through the S1 interface to MME; Go to second base station in the MME request of will loading, second base station response message of will loading again sends to MME through the S1 interface, and MME will load response message through going to first base station in the S1 interface.The present invention has provided and has utilized the S1 interface to realize the scheme that neighboring cell load message is obtained, and with respect to prior art, has avoided because not the existing of X2 interface, and can't obtain the situation of the information on load of adjacent area, has improved system reliability.
Description of drawings
Fig. 1 is the annexation sketch map of network element among the E-UTRAN in the LTE system;
Fig. 2 obtains the flow chart of neighboring cell load message for the embodiment of the invention one;
Fig. 3 is the flow chart of a concrete application scenarios of the embodiment of the invention one;
Fig. 4 obtains the flow chart of neighboring cell load message for the embodiment of the invention two;
Fig. 5 is the flow chart of a concrete application scenarios of the embodiment of the invention two.
Embodiment
In the LTE system, the S1 interface between MME/S-GW and the eNB exists always.The basic ideas of obtaining the neighboring cell load information scheme that the present invention proposes are: with the transfer entity that MME transmits as load message, an eNB utilizes the S1 interface to send a load request message and gives MME; After receiving, MME gives the 2nd eNB with this forwards; The 2nd eNB sends to MME to information on load as response message after receiving this message, and MME sends to an eNB to this message after receiving this response message again.
For making the object of the invention, technical scheme and advantage clearer, the present invention is done further to set forth in detail below in conjunction with accompanying drawing.
In the load request message that MME sends, comprise following information at an eNB:
1, the Base Station Identification of the 2nd eNB under the Target cell and the cell ID of Target cell.Base Station Identification is used for unique identification eNB, and cell ID is used to identify the sub-district that the 2nd eNB is controlled.Cell ID also can be default, representes that whole sub-districts of the 2nd eNB control all are Target cells.
2, load type: comprise that (Transport Network Layer, a kind of or combination in any in TNL) load, hardware load and the radio bearers is used to the load type of representing that an eNB need obtain to transport network layer.If load type is default, then the load type of acquiescence is obtained in expression, and said acquiescence load type can be the agreement regulation, or the load type of stipulating in the request message of last time loading.
3, reporting period.The 2nd eNB understands according to reporting period after obtaining request, periodically the cell load situation in this eNB of eNB report.Reporting period can be default, can represent only to report the cell load situation under the default situation one time, also can represent it is the reporting period of acquiescence.The said Default Reports cycle can be the agreement regulation, or the reporting period of stipulating in the request message of last time loading.
4, sign is measured in request, has distinguished the measurement request in the different moment.
The 2nd eNB has in comprising in the load response message that MME sends:
1, the Base Station Identification of an eNB is used for eNB of unique identification.
2, information on load: be meant the TNL load based on the sub-district, hardware load or the radio bearers information that acquires of measuring, this load type is confirmed by the load type in the solicited message.The form of information on load can adopt the for example enumeration type description of normal condition, abnormal condition etc., also can represent its utilance by a numeral.Information on load is not limited to this two kinds of forms, also can adopt thinkable other form of those skilled in the art.
3, sign is measured in request, has distinguished the measurement request in the different moment.Owing to the response message of loading is replying of load request message, the request measurement that therefore requires to carry in two these two message identifies identical to represent a pair of request and response message.
Whether belong to same MME pond according to an eNB and the 2nd eNB, below respectively both of these case is explained through two specific embodiments.
One: the one eNB of embodiment and the 2nd eNB belong to same MME pond.
The flow process of obtaining neighboring cell load message is as shown in Figure 2, comprises the steps:
Step 201: an eNB sends load request message (eNB Resource Status Request) through the S1 interface to MME, and sign etc. is measured in the Base Station Identification, load type, reporting period, the request that have wherein comprised the 2nd eNB.
Step 202:MME resolves this message after receiving the load request message; Judge that the 2nd eNB belongs to current MME pond; Then send load request transfer message (MME Resource Status Request Transfer) to the 2nd eNB through S 1 interface; The Base Station Identification that has wherein comprised an eNB, sign is measured in load type, reporting period, request.
Step 203: the 2nd eNB receives the load request transfer message that MME sends; According to the load type in the said message; Obtain corresponding information on load; And pass through the S1 interface and send load response message (eNB Resource Status Response) to MME, sign is measured in the Base Station Identification, information on load and the request that have comprised an eNB in the message.Described request is measured sign asks the request measurement sign in the transfer message identical with load.
Step 204:MME resolves this message after receiving this message; Judge that an eNB belongs to current MME pond; Then send load and reply transfer message (MME Resource Status Response Transfer) to an eNB; The sign that has wherein comprised the 2nd eNB, information on load is measured sign with request.
Below combine concrete application scenarios to come the scheme of present embodiment is elaborated again.If sub-district A1 belongs to eNB A.Sub-district B1 is the adjacent area of sub-district A, and sub-district B1 belongs to eNB B.And eNB A and eNB B belong to same MME pond.The Base Station Identification of eNB A and eNB B is respectively 1000 and 1200.It is as shown in Figure 3 that eNB A obtains the flow process of information on load of sub-district B of eNB B, comprises the steps:
Step 301:eNB A periodically adds up the load condition of all sub-districts among this eNB, and judges the state of each sub-district.ENB A finds the wireless overload of sub-district A1, then begins to carry out the load balancing process.
Step 302:eNB A sends load request message (eNB Resource Status Request) through S 1 interface, and wherein the Base Station Identification of purpose eNB is 1200, and load type is that no specific electric load, reporting period are 2000ms, and request is measured and is designated 1.
After step 303:MME receives this message; Find that target eNB is that eNB B is in current MME pool; And send load to eNB B and ask transfer message (MME Resource Status Request Transfer); Wherein comprise: the Base Station Identification of eNB A is 1000, and load type is that no specific electric load, reporting period are 2000ms, and request is measured and is designated 1.
After step 304:eNB B receives this message; Regulation according to said reporting period; Every separated 2000ms obtains information on load and sends load response message (eNB Resource Status Response) to MME, and wherein comprise: the Base Station Identification of target eNB is 1000, and information on load is up 23 (utilance of expression PRB is 23%); Descending 30 (utilance of expression PRB is 30%), request is measured and is designated 1.
After step 305:MME receives this message; Find that target eNB is that eNB A belongs to current MME pond; Therefore send load to eNB A and reply transfer message (MME Resource StatusResponse Transfer), wherein the Base Station Identification of source eNB is 1200, and information on load is up 23 (utilance of expression PRB is 23%); Descending 30 (utilance of expression PRB is 30%), request is measured and is designated 1.
Two: the one eNB of embodiment belong to different MME ponds with the 2nd eNB, and an eNB belongs to a MME pond, and the 2nd eNB belongs to the 2nd MME pond.
The flow process of obtaining neighboring cell load message is as shown in Figure 4, comprises the steps:
Step 401: an eNB sends load request message (eNB Resource Status Request) through arbitrary MME of S1 interface in a MME pond, and sign etc. is measured in the Base Station Identification, load type, reporting period, the request that have wherein comprised the 2nd eNB.
Step 402: said MME resolves this message after receiving the load request message, judges that the 2nd eNB does not belong to a MME pond, confirm that then the MME pond under the 2nd eNB is the 2nd MME pond, and the arbitrary MME in the 2nd MME pond transmits said load request message.
Step 403: the MME that receives the load request message in said the 2nd MME pond sends load request transfer message (MME Resource Status Request Transfer) to the 2nd eNB; The Base Station Identification that has wherein comprised an eNB, sign is measured in load type, reporting period, request.
Step 404: the 2nd eNB receives said load request transfer message; According to the load type in the said message; Obtain corresponding information on load; And the arbitrary MME transmission load response message (eNB Resource Status Response) in the 2nd MME pond, sign is measured in the Base Station Identification, information on load and the request that have comprised an eNB in the message.Described request is measured sign asks the request measurement sign in the transfer message identical with load.Arbitrary MME in the 2nd MME pond in this step and the MME in the 2nd MME pond in the step 403 can be same MME, also can be two different MME that belong to the 2nd MME pond.
Step 405: the MME in said the 2nd MME pond of receiving the load response message resolves this message; Judge that an eNB does not belong to the 2nd MME pond; Confirm that then the MME pond that an eNB belongs to is a MME pond, and the arbitrary MME in a MME pond transmits said load response message.
Arbitrary MME in the MME pond in this step and the arbitrary MME in the MME pond in the step 401 can be same MME, also can be two different MME that belong to a MME pond.
Step 406: the MME in the said MME pond of receiving the load response message sends load to an eNB and replys transfer message (MME Resource Status Response Transfer); The sign that has wherein comprised the 2nd eNB, information on load is measured sign with request.
Below combine concrete application scenarios to come the scheme of present embodiment is elaborated again.If sub-district A1 belongs to eNB A.Sub-district B1 is the adjacent area of sub-district A, and sub-district B1 belongs to eNB B.ENB A belongs to a MME pond, and eNB B belongs to the 2nd MME pond.The Base Station Identification of eNB A and eNB B is respectively 1000 and 1200.It is as shown in Figure 5 that eNB A obtains the flow process of information on load of sub-district B of eNB B, comprises the steps:
Step 501:eNB A periodically adds up the load condition of all sub-districts among this eNB, and judges the state of each sub-district.ENB A finds the wireless overload of sub-district A1, then begins to carry out the load balancing process.
Step 502:eNB A sends load request message (eNB Resource Status Request) through the MME A1 of S1 interface in a MME pond; Wherein the Base Station Identification of purpose eNB is 1200; Load type is that no specific electric load, reporting period are 2000ms, and request is measured and is designated 1.
After step 503:MME A1 receives this message, find that target eNB is that eNB B belongs to i.e. the 2nd MME pond, another MME pond, then the MME B1 in the 2nd MME pond transmits said load request message.
Step 504:MME B1 sends load request transfer message (MME Resource Status Request Transfer) to eNB B; Wherein comprise: the Base Station Identification of eNB A is 1000; Load type is that no specific electric load, reporting period are 2000ms, and request is measured and is designated 1.
After step 505:eNB B receives this message; According to the regulation of reporting period, every separated 2000ms obtains information on load, and sends load response message (eNB Resource Status Response) to MME B1; Wherein comprise: the Base Station Identification of target eNB is 1000; Information on load is up 23 (utilance of expression PRB is 23%), descending 30 (utilance of expression PRB is 30%), and request is measured and is designated 1.
After step 506:MME B1 receives said load response message, find that target eNB is that eNB A belongs to another MME pond, i.e. a MME pond, the therefore forwarding of the MME A2 in MME pond load response message.Preferably, MME A2 and MME A1 are same MME.
Step 507:MME A2 sends load to eNB A and replys transfer message (MME Resource Status Response Transfer); Wherein the Base Station Identification of source eNB is 1200; Information on load is up 23 (utilance of expression PRB is 23%); Descending 30 (utilance of expression PRB is 30%), request is measured and is designated 1.
The MME that relates in the above scheme has increased like lower module with respect to prior art:
Transceiver module; Be used for receiving load request message from the Base Station Identification that carries second base station of first base station through the S1 interface; Said load request message is sent to parsing module, and will be sent to second base station through the S1 interface from the load request transfer message of the Base Station Identification that comprises first base station of resolving module;
Parsing module with resolving the load request message of being received, generates the load request transfer message of the Base Station Identification that comprises first base station, and said load request transfer message is sent to transceiver module.
With above-mentioned similar, the position that is first base station and second base station is changed each other to the processing mode of load response message for transceiver module and parsing module.
If said MME belongs to a MME pond, and be connected with the MME that belongs to the 2nd MME pond;
The said MME that belongs to a MME pond further comprises:
Judge module is used for judging whether the second corresponding base station of Base Station Identification that load request message that said transceiver module is received carries belongs to a MME pond, if then said load request message is sent to parsing module; Otherwise, confirm that second base station belongs to the 2nd MME pond, is sent to the MME in the 2nd MME pond with said load request message.
The scheme of the embodiment of the invention utilizes MME as message transfer entity; Obtain the load message of adjacent area through the S1 interface, with respect to prior art, the present invention has avoided not existing because of X2 interface; And can't obtain the situation of the information on load of adjacent area, improved system reliability.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a method of in the LTE system, obtaining neighboring cell load information is characterized in that, the sub-district of the sub-district of first base stations control and second base stations control is a neighbor cell, comprises the steps:
The load request message is sent through the MME of S1 interface in the first mobile management entity MME pond at place, first base station in first base station, comprises the Base Station Identification of second base station in the said load request message;
Said MME resolves said load request message, judges whether second base station belongs to a MME pond, if then send load request transfer message through the S1 interface to second base station; Otherwise, confirm that the MME pond under second base station is the 2nd MME pond, and the arbitrary MME in the 2nd MME pond transmits said load request message; The MME that receives the load request message in said the 2nd MME pond sends load request transfer message to second base station, comprises the Base Station Identification of first base station in the said load request transfer message;
Second base station obtains the information on load of its sub-district of controlling, and sends the load response message through arbitrary MME of S1 interface in the 2nd MME pond, comprises the Base Station Identification and the said information on load of first base station in the said load response message;
MME in said the 2nd MME pond of receiving the load response message judges that first base station does not belong to the 2nd MME pond, confirm that then the MME pond that first base station belongs to is a MME pond, and the arbitrary MME in a MME pond transmits said load response message; The Base Station Identification and the said information on load that comprise first base station in the said load response message; Receive that MME in the MME pond of load response message sends load through the S1 interface to first base station and replys transfer message, said load is replied Base Station Identification and the said information on load that comprises second base station in the transfer message.
2. method according to claim 1 is characterized in that, further comprises load type in the said load request message, is used for representing a kind of or combination in any of transport network layer load, hardware load and radio bearers;
The step that said second base station obtains the information on load of its sub-district of controlling is: second base station is according to the load type in the load request transfer message of being received, obtain its corresponding information on load in the sub-district of controlling.
3. method according to claim 1 is characterized in that, further comprises reporting period in the said load request message;
Said second base station obtains the information on load of its sub-district of controlling, and through the S1 interface to the step that MME sends the load response message is:
Second base station is every at a distance from said reporting period of official hour, obtains the information on load of its sub-district of controlling, and sends the load response message through the S1 interface to MME.
4. method according to claim 1 is characterized in that, said load request message, load request transfer message, load response message and load are replied transfer message and carried identical request measurement sign.
5. system that in the LTE system, obtains neighboring cell load information; It is characterized in that; Comprise first base station, second base station, the first mobile management entity MME pond and the 2nd MME pond; Said first base station belongs to a MME pond, second base station belongs to the 2nd MME pond, and the sub-district of first base station and second base stations control is a neighbor cell;
Said first base station is used for sending the load request message through the S1 interface to the MME in a MME pond, comprises the Base Station Identification of second base station in the said load request message; Also be used for replying transfer message through the reception of S1 interface from the load of the MME in a MME pond, said load is replied Base Station Identification and the information on load that comprises second base station in the transfer message;
MME in the one MME pond is used to resolve the load request message from first base station, judges that second base station does not belong to a MME pond, confirms that the MME pond under second base station is the 2nd MME pond, and the arbitrary MME in the 2nd MME pond transmits said load request message; Also be used to receive the load response message from the MME in the 2nd MME pond, and send load to first base station and reply transfer message, said load is replied Base Station Identification and the information on load that comprises second base station in the transfer message;
MME in the 2nd MME pond is used for receiving the load request message from the MME in a MME pond, sends load request transfer message to second base station, comprises the Base Station Identification of first base station in the said load request transfer message; Also be used for receiving load response message from second base station through the S1 interface; Judge that the first corresponding base station of Base Station Identification of carrying in the load response message does not belong to the 2nd MME pond; Confirm that first base station belongs to a MME pond, and the MME in a MME pond sends said load response message;
Said second base station is used for receiving the load request transfer message from the MME in the 2nd MME pond through the S1 interface; Obtain the information on load of its sub-district of controlling; And, comprise the Base Station Identification and the information on load of first base station in the said load response message through the MME transmission load response message of S1 interface in the 2nd MME pond.
6. mobile management entity MME, said MME is connected with the base station through the S1 interface, and said MME belongs to a MME pond, and is connected with the MME that belongs to the 2nd MME pond; It is characterized in that the said MME that belongs to a MME pond comprises:
Transceiver module; Be used for receiving load request message from the Base Station Identification that carries second base station of first base station through the S1 interface; Said load request message is sent to parsing module, and will be sent to second base station through the S1 interface from the load request transfer message of the Base Station Identification that comprises first base station of resolving module;
Parsing module with resolving the load request message of being received, generates the load request transfer message of the Base Station Identification that comprises first base station, and said load request transfer message is sent to transceiver module;
Judge module is used for judging whether the second corresponding base station of Base Station Identification that load request message that said transceiver module is received carries belongs to a MME pond, if then said load request message is sent to parsing module; Otherwise, confirm that second base station belongs to the 2nd MME pond, is sent to the MME in the 2nd MME pond with said load request message.
Priority Applications (1)
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| CN102469517A (en) * | 2010-11-09 | 2012-05-23 | 中兴通讯股份有限公司 | Method of residence load balance between cells and apparatus thereof |
| CN102595500B (en) * | 2011-01-14 | 2016-02-10 | 中兴通讯股份有限公司 | load management method and device |
| CN104823477A (en) * | 2013-01-10 | 2015-08-05 | 富士通株式会社 | Method, device and system for reporting resource state |
| CN103269501B (en) * | 2013-05-22 | 2017-05-24 | 华为技术有限公司 | Information configuration method, information configuration device, base station and MME |
| CN104349392A (en) * | 2013-07-31 | 2015-02-11 | 陕西浩华电子科技发展有限公司 | Implementation method of MME (Mobile Management Entity) load control in LTE (Long Term Evolution) system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925417A (en) * | 2005-08-31 | 2007-03-07 | 华为技术有限公司 | Method and device for load information reporting of network-core nodes |
| CN101299876A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Synchronisation method, communication switching method, wireless network and node |
| CN101370281A (en) * | 2007-08-15 | 2009-02-18 | 华为技术有限公司 | Area load control method, system and equipment |
-
2009
- 2009-03-18 CN CN 200910080443 patent/CN101841850B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925417A (en) * | 2005-08-31 | 2007-03-07 | 华为技术有限公司 | Method and device for load information reporting of network-core nodes |
| CN101299876A (en) * | 2007-04-30 | 2008-11-05 | 华为技术有限公司 | Synchronisation method, communication switching method, wireless network and node |
| CN101370281A (en) * | 2007-08-15 | 2009-02-18 | 华为技术有限公司 | Area load control method, system and equipment |
Non-Patent Citations (4)
| Title |
|---|
| Huawei等.R3-083556 Load Indication and Resource Status Summary.《R3-083556 Load Indication and Resource Status Summary》.2008, |
| Nokia Siemens Networks.R3-072220 X2 Load Information.《R3-072220 X2 Load Information 》.2007, |
| R3-072220 X2 Load Information;Nokia Siemens Networks;《R3-072220 X2 Load Information 》;20071109;全文 * |
| R3-083556 Load Indication and Resource Status Summary;Huawei等;《R3-083556 Load Indication and Resource Status Summary》;20081114;全文 * |
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