CN102781056A - Mobile terminal handover method for blended family community - Google Patents
Mobile terminal handover method for blended family community Download PDFInfo
- Publication number
- CN102781056A CN102781056A CN2011101230717A CN201110123071A CN102781056A CN 102781056 A CN102781056 A CN 102781056A CN 2011101230717 A CN2011101230717 A CN 2011101230717A CN 201110123071 A CN201110123071 A CN 201110123071A CN 102781056 A CN102781056 A CN 102781056A
- Authority
- CN
- China
- Prior art keywords
- base station
- moving parameter
- target
- access module
- source base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a mobile terminal handover method for a blended family community. The mobile terminal handover method comprises the following steps of step 1, submitting measured data to the blended family community base station by a mobile terminal; step 2, judging whether the mobile terminal can adopt a CSG (Content Service Gateway) access mode, if so, using a handover decision threshold relevant to the CSG access mode; otherwise, using the handover decision threshold relevant to a non-CSG access mode; step 3, judging whether the mobile terminal meets the handover decision threshold, if so, initiating a handover procedure. According to the mobile terminal handover method for the blended family community provided by the invention, the mobile terminals with the CSG and non-CSG access modes are adopted in a distraction way, move parameters are respectively arranged for the two mobile terminals, thereby realizing load balance, and effectively avoiding sending of unnecessary handover requests.
Description
Technical field
The invention belongs to the cellular radio technical field, relate to the portable terminal changing method of a kind of blended family sub-district.
Background technology
LTE (Long Term Evolution) network is made up of E-UTRAN (Evolved UTRAN) macro base station Macro eNB (Evolved NodeB), Home eNodeB HeNB (Home eNB) and evolution packet switching center EPC (Evolved Packet Core).HeNB to user's access support closed user group (Closed Subscriber Group, CSG), mix (Hybrid) and open (Open) three kinds of patterns.E-UTRAN comprises the Macro eNB that is connected through the S1 interface with EPC and the set of HeNB, can connect through X2 between the MacroeNB, may define X2 interface between the HeNB and between HeNB and the Macro eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and an eNB also can be controlled by a plurality of EPC, and an eNB can manage one or more sub-districts.
MANET (SON) is a kind of technology of carrying out network configuration and optimization automatically.The application of this technology in the LTE system will make that LTE base station (eNB) can be according to certain measurement, configuration network parameter automatically, and carry out Automatic Optimal according to network change, thus keep network performance more excellent, practice thrift lot of manpower and material resources simultaneously.A research point of MANET is moving load balance optimizing (Mobility Load Balancing Optimization; MLB) problem; This problem requires to solve the problem of moving load skewness weighing apparatus in the minizone in the LTE system, and reduces the portable terminal that caused by the moving load balance optimizing process switching times in the minizone as far as possible.When system comprised home cell, the moving load balance optimizing need solve the problem of load balancing between macro base station and the Home eNodeB.
Support to mix the home cell of access module, it can serve the portable terminal and the portable terminal that adopts non-CSG access module of employing CSG access module simultaneously, and the preferential service quality that guarantees the portable terminal of employing CSG access module.When the load of blended family sub-district is increased; The blended family base station can be through excluding the portable terminal that adopts non-CSG access module; Reduce load with the method that switches to the portable terminal that adopts non-CSG access module in the blended family sub-district macrocell, blended family can continue the sub-district to admit the portable terminal that adopts the CSG access module simultaneously.Just, the blended family base station can reduce load through distinguishing the portable terminal that adopts CSG and non-CSG access module, realizes load balancing.
In the existing standard of LTE, the portable terminal that adopts CSG and non-CSG access module is adopted identical moving parameter.If two kinds of portable terminals are not distinguished in the blended family base station in admitting control module; So when the load of blended family sub-district is increased; The blended family base station can be gone out the switching of the portable terminal equality of employing CSG in the blended family sub-district and non-CSG access module, and then can't preferentially guarantee to adopt the service quality of the portable terminal of CSG access module.If the blended family base station is admitting control end to distinguish the portable terminal that adopts CSG and non-CSG access module; When handoff request sends to the blended family base station; It admits control module will accept the handoff request of the portable terminal of employing CSG access module; And possibly refuse to adopt the handoff request of the portable terminal of non-CSG access module, and certainly will cause part to adopt the handoff request failure of the portable terminal of non-CSG access module, thus waste system resource.
Summary of the invention
Technical problem to be solved by this invention is: the portable terminal changing method of a kind of blended family sub-district is provided, and this method can realize the load balancing of sub-district effectively.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
The portable terminal changing method of a kind of blended family sub-district may further comprise the steps:
Step 1, portable terminal reports blended family's cell base station with measurement data;
Step 2 judges that portable terminal judges whether to adopt the CSG pattern to insert, if can then use the switch decision thresholding relevant with the CSG access module; Otherwise use the switch decision thresholding relevant with non-CSG access module;
Step 3 judges whether portable terminal satisfies the switch decision thresholding, if then initiate switching flow.
As a kind of preferred version of the present invention, said changing method also comprises cell-of-origin, Target cell, source base station and target BS; Said source base station and target BS are respectively the control base station of cell-of-origin and Target cell; Said source base station and target BS all are the blended family base stations, and concrete switching mode is following:
A1) source base station is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment cell-of-origin and the Target cell; Utilize the load-balancing algorithm of source base station to calculate the handoff threshold change amount that being directed against of cell-of-origin and Target cell adopted CSG access module and the non-CSG access module of employing;
A2) source base station sends moving parameter to target BS and revises request; Said moving parameter is revised request and is comprised that source base station moving parameter, source base station are to the suggestion moving parameter of the moving parameter of CSG access module, target BS, and the moving parameter to the CSG access module of the suggestion of target BS; Wherein, the source base station moving parameter is used for being provided with the handoff threshold change amount of source base station to the portable terminal that adopts non-CSG access module; Source base station is used for being provided with the handoff threshold change amount of source base station to the portable terminal that adopts the CSG access module to the moving parameter of CSG access module; The suggestion moving parameter of target BS is used for being provided with the handoff threshold change amount of target BS to the portable terminal that adopts non-CSG access module; The moving parameter to the CSG access module of the suggestion of target BS is used for being provided with the handoff threshold change amount of target BS to the portable terminal that adopts the CSG access module;
A3) revise request if target BS is accepted moving parameter, then target BS sends moving parameter to source base station and revises response, and target BS is adjusted handoff threshold simultaneously accordingly; If target BS refusal moving parameter is revised request, then target BS sends the signaling that moving parameter is revised failure to source base station; The signaling that said moving parameter is revised failure comprises that purpose base station moving parameter adjustment tolerance band, purpose base station are directed against the moving parameter adjustment tolerance band of CSG access module; Wherein, Target BS moving parameter adjustment tolerance band is used for being provided with the handoff threshold change amount tolerance band of target BS to the portable terminal that adopts non-CSG access module, and target BS is used for being provided with the handoff threshold change amount tolerance band of target BS to the portable terminal that adopts the CSG access module to the moving parameter adjustment tolerance band of CSG access module;
A4) source base station receives the answer of target BS; If target BS has been accepted moving parameter and revised request, then source base station is adjusted handoff threshold accordingly.
As another kind of preferred version of the present invention, said changing method also comprises cell-of-origin, Target cell, source base station and target BS; Said source base station and target BS are respectively the control base station of cell-of-origin and Target cell; Said source base station and target BS all are the blended family base stations, and concrete switching mode is following:
B1) source base station is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment cell-of-origin and the Target cell; Utilize the load-balancing algorithm of source base station to calculate the change amount of the handoff threshold that cell-of-origin and Target cell need adjust;
B2) source base station sends moving parameter to target BS and revises request; Moving parameter is revised suggestion moving parameter, the moving parameter type that request comprises source base station moving parameter, target BS; Wherein the source base station moving parameter is used for being provided with the relevant handoff threshold change amount of source base station; The suggestion moving parameter of target BS is used for being provided with the relevant handoff threshold change amount of target BS; The moving parameter type is used for showing the type of relevant handoff threshold;
If said moving parameter type is arranged to default moving parameter, the value in the source base station moving parameter is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of source base station so; Value in the suggestion moving parameter of target BS is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of target BS;
If the moving parameter type is arranged to the moving parameter to the CSG access module; Value in the source base station moving parameter is the handoff threshold change amount to the portable terminal that adopts the CSG access module of source base station so, and the value in the suggestion moving parameter of target BS is the handoff threshold change amount to the portable terminal that adopts the CSG access module of target BS;
B3) revise request if target BS is accepted moving parameter, then target BS sends moving parameter to source base station and revises response, and target BS is adjusted handoff threshold accordingly simultaneously; If target BS refusal moving parameter is revised request, then target BS sends the signaling that moving parameter is revised failure to source base station; The signaling that said moving parameter is revised failure comprises purpose base station moving parameter adjustment tolerance band; Wherein, purpose base station moving parameter adjustment tolerance band is used for being provided with the relevant handoff threshold change amount tolerance band of target BS;
If the moving parameter types value that the moving parameter that target BS receives is revised in the request is default moving parameter, the value of target BS moving parameter adjustment tolerance band is the portable terminal handoff threshold change amount tolerance band to the non-CSG access module of employing of target BS so;
If the moving parameter types value was the moving parameter to the CSG access module during the moving parameter that target BS receives was revised and asked, the value of target BS moving parameter adjustment tolerance band is the portable terminal handoff threshold change amount tolerance band to employing CSG access module of target BS so;
B4) source base station receives the answer of target BS; If target BS has been accepted moving parameter and revised request, then source base station is adjusted handoff threshold accordingly.
As another preferred version of the present invention, source base station is the blended family base station, and target BS is macro base station, closed Home eNodeB or open Home eNodeB.
As another preferred version of the present invention, source base station is macro base station, closed Home eNodeB or open Home eNodeB, and target BS is the blended family base station.
As another preferred version of the present invention, said source base station and target BS all are macro base station, closed Home eNodeB or open Home eNodeB.
Beneficial effect of the present invention is: the portable terminal changing method of blended family of the present invention sub-district is distinguished the portable terminal that adopts CSG and non-CSG access module; For these two kinds of terminals are provided with moving parameter respectively; Thereby realized load balancing, avoided simultaneously the transmission of unnecessary handoff request effectively.
Description of drawings
Fig. 1 is the schematic flow sheet of the portable terminal changing method of blended family of the present invention sub-district.
Embodiment
The present invention relates to radio honeycomb communication system, more particularly, is in Long Term Evolution (LTE) GSM, the prioritization scheme that the portable terminal that relates to the blended family sub-district is switched.In Long Term Evolution (LTE) GSM; The blended family sub-district both can have been served and belong to closed user group (Closed Subscriber Group; CSG) portable terminal; Also can serve the portable terminal that belongs to non-closed user group (non-CSG), and preferential assurance belongs to the service quality of the portable terminal of closed user group.In present LTE technical standard, when comprising the blended family sub-district between the neighbor cell, portable terminal that adopts the CSG access module and the portable terminal that adopts non-CSG access module are not distinguished in the moving parameter setting between the sub-district.That is to say, these two kinds of portable terminals the sub-district between when switching, use be identical handoff threshold.When the load of blended family sub-district is increased; Different admittance strategies possibly taked to these two kinds of dissimilar portable terminals in this sub-district; Just, admittance is adopted the portable terminal of CSG access module and is excluded the portable terminal that adopts non-CSG access module, comes equally loaded.In this case; If the sub-district between; To this portable terminal of two types employing is identical handoff threshold; Certainly will cause the handoff request of the portable terminal that adopts non-CSG access module very likely to be rejected, thus waste signaling and Internet resources, and the delay that causes portable terminal to switch.
The present invention proposes in the handoff procedure that relates to the blended family sub-district, to distinguish and adopts CSG access module and the portable terminal that adopts non-CSG access module, is respectively this terminal of two types moving parameter is set.Adopt the method for the invention, different switch strategies can be realized according to the difference of load in the blended family sub-district, thus the load of balanced minizone, the utilance of raising terminal success rate for switching and resource.
Do further explain below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment one
Present embodiment provides the portable terminal changing method of a kind of blended family sub-district; The main contents of this method are: when in cell-of-origin that switching relates to or the Target cell blended family sub-district being arranged, for adopting CSG access module and the portable terminal that adopts non-CSG access module suitable moving parameter is set respectively.Correspondingly, the switch decision flow process of portable terminal is as shown in Figure 1, may further comprise the steps:
Step 1, portable terminal reports blended family's cell base station with measurement data;
Step 2 judges that portable terminal judges whether to adopt the CSG pattern to insert, if can then use the switch decision thresholding relevant with the CSG access module; Otherwise use the switch decision thresholding relevant with non-CSG access module;
Step 3 judges whether portable terminal satisfies the switch decision thresholding, if then initiate switching flow.
For adopting CSG access module and the portable terminal that adopts non-CSG access module that moving parameter is set respectively; Present embodiment provides a solution to be: revise the portable terminal handoff threshold index word that comprises default portable terminal handoff threshold index word in the request simultaneously and be directed against employing CSG access module specially at moving parameter.Moving parameter is revised request, moving parameter revises response and moving parameter is revised the X2AP agreement (TS36.423 of the concrete form of these three kinds of cells of failure with reference to 3GPP LTE; Release9) obtain; And to shown in the table 3, wherein base station 1 is a source base station like table 1, and base station 2 is a target BS.
Table 1: moving parameter is revised the cell format (mailing to (H) eNB2 from (H) eNB1) of request
Table 2: moving parameter is revised the cell format (mailing to (H) eNB1 from (H) eNB2) of response
Table 3: moving parameter is revised the cell format (mailing to (H) eNB1 from (H) eNB2) of failure
In the present embodiment, sub-district 1 is the cell-of-origin, and sub-district 2 is a Target cell; Base station 1 and base station 2 are respectively the control base station of cell-of-origin and Target cell, and base station 1 all is the blended family base station with base station 2.Embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.Utilize the load-balancing algorithm of base station 1 to calculate the handoff threshold change amount that being directed against of sub-district 1 and sub-district 2 adopted CSG access module and the non-CSG access module of employing.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 1 that moving parameter is revised the request cell format.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1 to the portable terminal that adopts non-CSG access module, and " (H) eNB1 is to the moving parameter of CSG access module " is used for being provided with the handoff threshold change amount of base station 1 to the portable terminal that adopts the CSG access module; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2 to the portable terminal that adopts non-CSG access module, and " (H) moving parameter to the CSG access module of the suggestion of eNB2 " is used for being provided with the handoff threshold change amount of base station 2 to the portable terminal that adopts the CSG access module.
3) if moving parameter modification request is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2, and the cell format of moving parameter modification response is as shown in table 2.Base station 2 is adjusted handoff threshold simultaneously accordingly, if base station 2 refusal moving parameters are revised request, and 2 signalings of sending moving parameter modification failure to base station 1 in base station.It is as shown in table 3 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2 to the portable terminal that adopts non-CSG access module, and " (H) eNB2 is to the moving parameter adjustment tolerance band of CSG access module " is used for being provided with the handoff threshold change amount tolerance band of base station 2 to the portable terminal that adopts the CSG access module.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, 1 of base station is adjusted handoff threshold accordingly.
The present invention revises at moving parameter and comprises default portable terminal handoff threshold index word and the special portable terminal handoff threshold index word that adopts the CSG access module that is directed against in the request simultaneously; Or revise the indicated value that comprises an enumeration type in the request at moving parameter, show that moving parameter change amount is a default portable terminal handoff threshold index word or to the portable terminal handoff threshold index word that adopts the CSG access module.
The present invention makes the blended family sub-district realize different switch strategies according to the difference of load, thus the load of balanced minizone, the utilance of raising terminal success rate for switching and resource.
Embodiment two
The difference of present embodiment and embodiment one is; In moving parameter modification request, only comprise a portable terminal handoff threshold index word; Comprise an enumeration type indicated value simultaneously and show that this index word is default portable terminal handoff threshold index word, still to the portable terminal handoff threshold index word that adopts the CSG access module.Moving parameter revise request, moving parameter revise response and moving parameter revise the concrete form of these three kinds of cells of failure with reference to the X2AP agreement of 3GPP LTE (TS36.423 release9) obtains, and like table 4 to shown in the table 6.
Table 4: moving parameter is revised the cell format (mailing to (H) eNB2 from (H) eNB1) of request
Table 5: moving parameter is revised the cell format (mailing to (H) eNB1 from (H) eNB2) of response
Table 6: moving parameter is revised the cell format (mailing to (H) eNB1 from (H) eNB2) of failure
In the present embodiment, sub-district 1 is the cell-of-origin, and sub-district 2 is a Target cell; Base station 1 and base station 2 are respectively the control base station of cell-of-origin and Target cell, and base station 1 all is the blended family base station with base station 2.Embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the change amount of the handoff threshold that sub-district 1 and sub-district 2 need adjust.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 4 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the relevant handoff threshold change amount of base station 1; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the relevant handoff threshold change amount of base station 2, and " moving parameter type " is used for showing the type of relevant handoff threshold.If " moving parameter type " is arranged to " default moving parameter "; Value in " (H) eNB1 moving parameter " is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of base station 1 so, and the value in " (H) the suggestion moving parameter of eNB2 " is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of base station 2; If " moving parameter type " is arranged to " to the moving parameter of CSG access module "; Value in " (H) eNB1 moving parameter " is the handoff threshold change amount to the portable terminal that adopts the CSG access module of base station 1 so, and the value in " (H) the suggestion moving parameter of eNB2 " is the handoff threshold change amount to the portable terminal that adopts the CSG access module of base station 2.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 5 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 6 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the relevant handoff threshold change amount tolerance band of base station 2." moving parameter type " value is " a default moving parameter " in the request if the moving parameter that base station 2 receives is revised, and the value of " (H) eNB2 moving parameter adjustment tolerance band " is the portable terminal handoff threshold change amount tolerance band to the non-CSG access module of employing of base station 2 so; If " moving parameter type " value was " to the moving parameter of CSG access module " during the moving parameter that base station 2 receives was revised and asked, the value of " (H) eNB2 moving parameter adjustment tolerance band " is the portable terminal handoff threshold change amount tolerance band to employing CSG access module of base station 2 so.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment three
The difference of present embodiment and embodiment one is that base station 1 is the blended family base station, and base station 2 is macro base station, closed Home eNodeB or open Home eNodeB.Embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the handoff threshold change amount to employing CSG access module and the non-CSG access module of employing of sub-district 1, and the handoff threshold change amount of sub-district 2.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 1 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1 to the portable terminal that adopts non-CSG access module, and " (H) eNB1 is to the moving parameter of CSG access module " is used for being provided with the handoff threshold change amount of base station 1 to the portable terminal that adopts the CSG access module; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 2 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 3 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, then the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment four
The difference of present embodiment and embodiment one is that base station 1 is macro base station, closed Home eNodeB or open Home eNodeB, and base station 2 is blended family base stations, and embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the handoff threshold change amount of sub-district 1 and the handoff threshold change amount to employing CSG access module and the non-CSG access module of employing of sub-district 2.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 1 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2 to the portable terminal that adopts non-CSG access module, and " (H) moving parameter to the CSG access module of the suggestion of eNB2 " is used for being provided with the handoff threshold change amount of base station 2 to the portable terminal that adopts the CSG access module.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 2 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 3 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2 to the portable terminal that adopts non-CSG access module, and " (H) eNB2 is to the moving parameter adjustment tolerance band of CSG access module " is used for being provided with the handoff threshold change amount tolerance band of base station 2 to the portable terminal that adopts the CSG access module.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, then the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment five
The difference of present embodiment and embodiment one is that base station 1 all is macro base station, closed Home eNodeB or open Home eNodeB with base station 2, and embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the handoff threshold change amount of sub-district 1 and sub-district 2.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 1 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 2 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 3 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, then the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment six
The difference of present embodiment and embodiment two is that base station 1 is the blended family base station, and base station 2 is macro base station, closed Home eNodeB or open Home eNodeB, and embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the change amount of the handoff threshold that sub-district 1 and sub-district 2 need adjust.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 4 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the relevant handoff threshold change amount of base station 1, and " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2, and " moving parameter type " is used for showing the type of relevant handoff threshold.If " moving parameter type " is arranged to " default moving parameter ", the value in " (H) eNB1 moving parameter " is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of base station 1 so; If " moving parameter type " is arranged to " to the moving parameter of CSG access module ", the value in " (H) eNB1 moving parameter " is the handoff threshold change amount to the portable terminal that adopts the CSG access module of base station 1 so.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 5 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 6 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, then the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment seven
The difference of present embodiment and embodiment two is that base station 1 is macro base station, closed Home eNodeB or open Home eNodeB, and base station 2 is blended family base stations, and embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the change amount of the handoff threshold that sub-district 1 and sub-district 2 need adjust.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 4 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1, and " (H) the suggestion moving parameter of eNB2 " is used for being provided with the relevant handoff threshold change amount of base station 2, and " moving parameter type " is used for showing the type of relevant handoff threshold.If " moving parameter type " is arranged to " default moving parameter ", the value in " (H) the suggestion moving parameter of eNB2 " is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of base station 2 so; If " moving parameter type " is arranged to " to the moving parameter of CSG access module ", the value in " (H) the suggestion moving parameter of eNB2 " is the handoff threshold change amount to the portable terminal that adopts the CSG access module of base station 2.
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 5 that moving parameter is revised the cell format that responds.Base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 6 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the relevant handoff threshold change amount tolerance band of base station 2." moving parameter type " value is " a default moving parameter " in the request if the moving parameter that base station 2 receives is revised, and the value of " (H) eNB2 moving parameter adjustment tolerance band " is the portable terminal handoff threshold change amount tolerance band to the non-CSG access module of employing of base station 2 so; If " moving parameter type " value was " to the moving parameter of CSG access module " during the moving parameter that base station 2 receives was revised and asked, the value of " (H) eNB2 moving parameter adjustment tolerance band " is the portable terminal handoff threshold change amount tolerance band to employing CSG access module of base station 2 so.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, then the 1 pair of handoff threshold in base station is adjusted accordingly.
Embodiment eight
The difference of present embodiment and embodiment two is that base station 1 is macro base station, closed Home eNodeB or open Home eNodeB with base station 2, and embodiment is described below:
1) base station 1 is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment sub-district 1 and the sub-district 2.The load-balancing algorithm of base station 1 calculates the change amount of the handoff threshold that sub-district 1 and sub-district 2 need adjust.
2) base station 1 is sent moving parameter to base station 2 and is revised request.It is as shown in table 4 that moving parameter is revised the cell format of asking.Wherein " (H) eNB1 moving parameter " is used for being provided with the handoff threshold change amount of base station 1; " (H) the suggestion moving parameter of eNB2 " is used for being provided with the handoff threshold change amount of base station 2, and " moving parameter type " is used for showing that the type of relevant handoff threshold and its value are " default moving parameter ".
3) revise request if moving parameter is accepted in base station 2, the signaling that moving parameter is revised response is sent to base station 1 in base station 2.It is as shown in table 5 that moving parameter is revised the cell format that responds, and base station 2 is adjusted handoff threshold simultaneously accordingly; If base station 2 refusal moving parameters are revised request, the signaling that moving parameter is revised failure is sent to base station 1 in base station 2.It is as shown in table 6 that moving parameter is revised the cell format of failing.Wherein, " (H) eNB2 moving parameter adjustment tolerance band " is used for being provided with the handoff threshold change amount tolerance band of base station 2.
4) base station 1 receives the answer of base station 2.If base station 2 has been accepted moving parameter and revised request, the 1 pair of handoff threshold in base station is adjusted accordingly.
Description of the invention and application are illustrative, are not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.
Claims (6)
1. the portable terminal changing method of a blended family sub-district is characterized in that, may further comprise the steps:
Step 1, portable terminal reports blended family's cell base station with measurement data;
Step 2 judges that portable terminal judges whether to adopt the CSG pattern to insert, if can then use the switch decision thresholding relevant with the CSG access module; Otherwise use the switch decision thresholding relevant with non-CSG access module;
Step 3 judges whether portable terminal satisfies the switch decision thresholding, if then initiate switching flow.
2. the portable terminal changing method of blended family according to claim 1 sub-district is characterized in that: said changing method also comprises cell-of-origin, Target cell, source base station and target BS; Said source base station and target BS are respectively the control base station of cell-of-origin and Target cell; Said source base station and target BS all are the blended family base stations, and concrete switching mode is following:
A1) source base station is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment cell-of-origin and the Target cell; Utilize the load-balancing algorithm of source base station to calculate the handoff threshold change amount that being directed against of cell-of-origin and Target cell adopted CSG access module and the non-CSG access module of employing;
A2) source base station sends moving parameter to target BS and revises request; Said moving parameter is revised request and is comprised that source base station moving parameter, source base station are to the suggestion moving parameter of the moving parameter of CSG access module, target BS, and the moving parameter to the CSG access module of the suggestion of target BS; Wherein, the source base station moving parameter is used for being provided with the handoff threshold change amount of source base station to the portable terminal that adopts non-CSG access module; Source base station is used for being provided with the handoff threshold change amount of source base station to the portable terminal that adopts the CSG access module to the moving parameter of CSG access module; The suggestion moving parameter of target BS is used for being provided with the handoff threshold change amount of target BS to the portable terminal that adopts non-CSG access module; The moving parameter to the CSG access module of the suggestion of target BS is used for being provided with the handoff threshold change amount of target BS to the portable terminal that adopts the CSG access module;
A3) revise request if target BS is accepted moving parameter, then target BS sends moving parameter to source base station and revises response, and target BS is adjusted handoff threshold simultaneously accordingly; If target BS refusal moving parameter is revised request, then target BS sends the signaling that moving parameter is revised failure to source base station; The signaling that said moving parameter is revised failure comprises that purpose base station moving parameter adjustment tolerance band, purpose base station are directed against the moving parameter adjustment tolerance band of CSG access module; Wherein, Target BS moving parameter adjustment tolerance band is used for being provided with the handoff threshold change amount tolerance band of target BS to the portable terminal that adopts non-CSG access module, and target BS is used for being provided with the handoff threshold change amount tolerance band of target BS to the portable terminal that adopts the CSG access module to the moving parameter adjustment tolerance band of CSG access module;
A4) source base station receives the answer of target BS; If target BS has been accepted moving parameter and revised request, then source base station is adjusted handoff threshold accordingly.
3. the portable terminal changing method of blended family according to claim 1 sub-district is characterized in that: said changing method also comprises cell-of-origin, Target cell, source base station and target BS; Said source base station and target BS are respectively the control base station of cell-of-origin and Target cell; Said source base station and target BS all are the blended family base stations, and concrete switching mode is following:
B1) source base station is according to self load and neighbor cell load state, and judgement needs the moving parameter between adjustment cell-of-origin and the Target cell; Utilize the load-balancing algorithm of source base station to calculate the change amount of the handoff threshold that cell-of-origin and Target cell need adjust;
B2) source base station sends moving parameter to target BS and revises request; Moving parameter is revised suggestion moving parameter, the moving parameter type that request comprises source base station moving parameter, target BS; Wherein the source base station moving parameter is used for being provided with the relevant handoff threshold change amount of source base station; The suggestion moving parameter of target BS is used for being provided with the relevant handoff threshold change amount of target BS; The moving parameter type is used for showing the type of relevant handoff threshold;
If said moving parameter type is arranged to default moving parameter, the value in the source base station moving parameter is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of source base station so; Value in the suggestion moving parameter of target BS is the handoff threshold change amount to the portable terminal that adopts non-CSG access module of target BS;
If the moving parameter type is arranged to the moving parameter to the CSG access module; Value in the source base station moving parameter is the handoff threshold change amount to the portable terminal that adopts the CSG access module of source base station so, and the value in the suggestion moving parameter of target BS is the handoff threshold change amount to the portable terminal that adopts the CSG access module of target BS;
B3) revise request if target BS is accepted moving parameter, then target BS sends moving parameter to source base station and revises response, and target BS is adjusted handoff threshold accordingly simultaneously; If target BS refusal moving parameter is revised request, then target BS sends the signaling that moving parameter is revised failure to source base station; The signaling that said moving parameter is revised failure comprises purpose base station moving parameter adjustment tolerance band; Wherein, purpose base station moving parameter adjustment tolerance band is used for being provided with the relevant handoff threshold change amount tolerance band of target BS;
If the moving parameter types value that the moving parameter that target BS receives is revised in the request is default moving parameter, the value of target BS moving parameter adjustment tolerance band is the portable terminal handoff threshold change amount tolerance band to the non-CSG access module of employing of target BS so;
If the moving parameter types value was the moving parameter to the CSG access module during the moving parameter that target BS receives was revised and asked, the value of target BS moving parameter adjustment tolerance band is the portable terminal handoff threshold change amount tolerance band to employing CSG access module of target BS so;
B4) source base station receives the answer of target BS; If target BS has been accepted moving parameter and revised request, then source base station is adjusted handoff threshold accordingly.
4. according to the portable terminal changing method of claim 2 or 3 described blended family sub-districts, it is characterized in that: source base station is the blended family base station, and target BS is macro base station, closed Home eNodeB or open Home eNodeB.
5. according to the portable terminal changing method of claim 2 or 3 described blended family sub-districts, it is characterized in that: source base station is macro base station, closed Home eNodeB or open Home eNodeB, and target BS is the blended family base station.
6. according to the portable terminal changing method of claim 2 or 3 described blended family sub-districts, it is characterized in that: said source base station and target BS all are macro base station, closed Home eNodeB or open Home eNodeB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110123071.7A CN102781056B (en) | 2011-05-12 | 2011-05-12 | A kind of mobile terminal changing method of blended family's cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110123071.7A CN102781056B (en) | 2011-05-12 | 2011-05-12 | A kind of mobile terminal changing method of blended family's cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102781056A true CN102781056A (en) | 2012-11-14 |
| CN102781056B CN102781056B (en) | 2017-06-27 |
Family
ID=47125771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110123071.7A Expired - Fee Related CN102781056B (en) | 2011-05-12 | 2011-05-12 | A kind of mobile terminal changing method of blended family's cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102781056B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100113026A1 (en) * | 2008-11-04 | 2010-05-06 | Motorola, Inc. | Efficient Reselections in the Presence of Closed Subscriber Group Cells |
| CN101998591A (en) * | 2009-08-13 | 2011-03-30 | 华为技术有限公司 | Cell search method and user equipment |
-
2011
- 2011-05-12 CN CN201110123071.7A patent/CN102781056B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100113026A1 (en) * | 2008-11-04 | 2010-05-06 | Motorola, Inc. | Efficient Reselections in the Presence of Closed Subscriber Group Cells |
| CN101998591A (en) * | 2009-08-13 | 2011-03-30 | 华为技术有限公司 | Cell search method and user equipment |
Non-Patent Citations (1)
| Title |
|---|
| 华为: "《3GPP TSG SA WG2 Meeting #73 TD S2-093327》", 15 May 2009 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102781056B (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101873620B (en) | Method and device for judging inter-cell reselection parameter and handover parameter matching | |
| CN105578540B (en) | Cell reselecting method and communication device | |
| CN102474784B (en) | Gravity treatment between RAT/handoff parameter optimization | |
| JP5411064B2 (en) | Radio base station, radio communication system, and control method | |
| JP5498860B2 (en) | Radio base station, radio communication system, and control method | |
| CN103442399B (en) | Method for switching network, network switched system and terminal | |
| CN102695227B (en) | Method for cooperatively transmitting data by home enhanced Node B (HeNB) and HeNB | |
| CN102905328B (en) | A kind of UE is switched to the method, system and base station of mixed cell | |
| CN105554818A (en) | Load equalizing method and device | |
| US10104595B2 (en) | Method of automatically adjusting mobility parameter | |
| US10681605B2 (en) | Handover for video or other streaming services | |
| CN102685814B (en) | The machinery of consultation of the medium and small interval mobile reselecting parameters of LTE network | |
| CN102469517A (en) | Method of residence load balance between cells and apparatus thereof | |
| CN102938894A (en) | Measuring method for small cells in heterogeneous network | |
| US20150016381A1 (en) | Re-selection optimization for packet and circuit switched connections | |
| WO2011149082A1 (en) | Radio communication system, radio base station, and communication control method | |
| CN104811917A (en) | Method for controlling, charging and locating user equipment (UE) in small cell system | |
| CN102695209A (en) | Load balancing method for different coverage scenes and base station | |
| CN111741496A (en) | Method and device for directional switching between cells | |
| CN102131256A (en) | Method and base station for implementing cell reselection parameter negotiation | |
| WO2013017109A1 (en) | Method, equipment and base station thereof for choosing carriers | |
| CN102869066B (en) | Access control method and base station in multi-carrier system | |
| US9485694B2 (en) | Radio access device and handover method | |
| CN101990221A (en) | Method for transmitting cell switching information and base stations thereof | |
| WO2015042966A1 (en) | Backhaul link establishment method, apparatus and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20200512 |