CN101562850A - Method for admitting judgment during switching process as well as system and device thereof - Google Patents
Method for admitting judgment during switching process as well as system and device thereof Download PDFInfo
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- CN101562850A CN101562850A CNA2008101044444A CN200810104444A CN101562850A CN 101562850 A CN101562850 A CN 101562850A CN A2008101044444 A CNA2008101044444 A CN A2008101044444A CN 200810104444 A CN200810104444 A CN 200810104444A CN 101562850 A CN101562850 A CN 101562850A
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Abstract
The embodiment of the invention discloses a method for admitting judgment during a switching process. The method comprises the following steps: a candidate base station receives an admission request which contains admission judgment criteria and bearer information to be admitted by a candidate cell and is sent by a source base station; carries out admission judgment on a bearer according to the admission judgment criteria to generate an admission judgment result; and returns a switching request confirmation message or a switching preparation failure message to the source base station according to the admission judgment result. The embodiment of the invention further discloses a system for admitting judgment during the switching process and a device thereof. The method, the system and the device can help greatly improve flexibility of admission judgment during the switching process and nicely meet the experience requirements of users.
Description
Technical field
The present invention relates to field of wireless transmission, relate in particular to the mthods, systems and devices of acceptance judging in a kind of handoff procedure.
Background technology
In Long Term Evolution (LTE) system, handoff procedure is fully by network controls, and by the network side decision, there are following two kinds in possible flow process to the Target cell of switching fully:
First kind, shown in Figure 1A, specifically comprise the steps:
Step 101: the base station of Controlling Source sub-district (source base station) generates the scope of candidate cell;
Step 102: source base station is selected a candidate cell (candidate cell 1), sends handoff request (Handover Request) message to the base station (candidate base station 1) of control candidate cell 1;
Step 103: candidate base station 1 carries out returning Handover Request Acknowledge (Handover Request Acknowledge) message to source base station behind the acceptance judging;
Step 104: source base station judges that according to the switching request acknowledgement message of receiving candidate cell 1 is a Target cell;
Step 105: other follow-up flow processs comprise that source base station sends switching command etc. to switching terminal (UE).
Second kind, shown in Figure 1B, specifically comprise the steps:
Step 111: the base station of Controlling Source sub-district (source base station) generates the scope of candidate cell;
Step 112: source base station is selected a candidate cell (candidate cell 1), sends handoff request (Handover Request) message to the base station (candidate base station 1) of control candidate cell 1;
Step 113: candidate base station 1 carries out returning switching preparation failure (Handover Preparation Failure) message to source base station behind the acceptance judging;
Step 114: source base station is prepared failed message according to the switching of receiving, next candidate cell (candidate cell 2) is attempted in decision;
Step 115: source base station sends handoff request (Handover Request) message to the base station (candidate base station 2) of control candidate cell 2;
Step 116: other follow-up flow processs, comprise that candidate base station 2 carries out returning switching request acknowledgement message or switching the preparation failed message to source base station behind the acceptance judging, if return switching request acknowledgement message, then source base station judges that candidate cell 2 is a Target cell, and sends switching command etc. to switching UE; Switch to prepare failed message if return, then continue to attempt other candidate cells, determine or all candidate cells have all traveled through up to Target cell.
In above-mentioned two flow processs, source base station and candidate base station may belong to a mobile management net element (MME), the MME that serves during switching constant and just the base station change, this kind switching is called X2 switches, this moment, source base station and candidate base station carried out Signalling exchange by the X2 interface between the base station.
Source base station also may belong to different MME with candidate base station, MME and the base station served during switching all change, this kind switching is called S1 and switches, this moment source base station need by and source MME between the S1 interface send handoff request message to source MME, source MME sends to candidate MME with this handoff request message, candidate MME sends to candidate base station with handoff request message again, and candidate base station needs by candidate MME and source MME when the source base station return messages equally.
Source base station sends in the handoff request message of candidate base station and comprises the contextual information that switches UE, and this information comprises switches the carrying tabulation that UE need set up in target side.Comprise ID number of each carrying and set up the required QoS of this carrying (QoS) class information in the carrying tabulation, as the priority of bearer types, carrying etc.
Candidate base station carries out acceptance judging according to the information in current available resource and the carrying tabulation, if can't admit any carrying in the tabulation, then return to switch and prepare failed message to source base station, if can admit the carrying of at least one in the tabulation, then return switching request acknowledgement message, in switching request acknowledgement message, comprise two tabulations: the carrying tabulation that allows the carrying tabulation of admitting and do not allow to admit to source base station.Simultaneously for allowing the carrying reserved resource of admittance.Because inadequate resource is merely able to admit part when carrying in the tabulation, preferential what select is that the higher carrying of tabulation medium priority is admitted at candidate base station.
Suppose to switch the user and have a plurality of carryings, wherein both guaranteed non-bit rate (Non GuaranteedBit Ratio, the Non-GBR) carrying of type, also guaranteed bit rate (Guaranteed Bit Ratio, GBR) carrying of type.Candidate base station has been reserved resource according to the carrying that priority is chosen as the higher part GB R type of priority, and returns switching request acknowledgement message to the base station.And the carrying of the lower GBR type of part priority successfully do not admitted, and will be released in the switching flow.Though the UE successful switch can't guarantee the continuity of GBR type service to Target cell as a result.
As seen, this simple acceptance judging strategy based on service priority of candidate base station lacks flexibility, is not well positioned to meet experience requirements of users.
Summary of the invention
The embodiment of the invention provides the mthods, systems and devices of acceptance judging in a kind of handoff procedure, and acceptance judging lacks flexibility in the prior art handoff procedure in order to solve, and can not satisfy the problem that user experience requires.
The embodiment of the invention provides the method for acceptance judging in a kind of handoff procedure, and this method comprises:
The admittance request that comprises acceptance judging criterion and the beared information for the treatment of the candidate cell admittance that candidate base station reception sources base station sends;
According to described acceptance judging criterion described carrying is carried out acceptance judging and generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
The embodiment of the invention provides the system of acceptance judging in a kind of handoff procedure, and this system comprises:
Source base station is used for sending the admittance request that comprises the acceptance judging criterion and treat the beared information that candidate cell is admitted to candidate base station;
Control candidate cell candidate base station, be used to receive described admittance request after, according to described acceptance judging criterion described carrying is carried out acceptance judging and is generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
The embodiment of the invention provides a kind of base station, and this base station comprises:
Receiving element is used to receive the admittance request from other base stations, comprises the acceptance judging criterion and treats the beared information that candidate cell is admitted in this admittance request;
The acceptance judging unit is used for according to described acceptance judging criterion described carrying being carried out acceptance judging and being generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
Among the present invention, source base station is placed on the acceptance judging criterion to admit in the request and sends to candidate base station, and candidate base station returns to source base station after carrying out acceptance judging and generate admission judgment result according to the acceptance judging criterion of carrying in this admittance request.As seen, candidate base station is according to carrying out acceptance judging from the acceptance judging criterion in the admittance request of source base station, and flexibility improves greatly, and can be good at satisfying experience requirements of users.
Description of drawings
Figure 1A is the schematic flow sheet of acceptance judging in the handoff procedure in the prior art;
Figure 1B is the schematic flow sheet of acceptance judging in the handoff procedure in the prior art;
Fig. 2 is the schematic flow sheet of method that the embodiment of the invention provides;
Fig. 3 is the structural representation of system that the embodiment of the invention provides;
Fig. 4 is the structural representation of base station that the embodiment of the invention provides.
Embodiment
In order to improve the flexibility of acceptance judging in the handoff procedure, well to satisfy experience requirements of users, the embodiment of the invention provides the method for acceptance judging in a kind of handoff procedure, in this method, source base station is placed on the acceptance judging criterion to admit in the request and sends to candidate base station, and candidate base station carries out acceptance judging and generates admission judgment result according to the acceptance judging criterion of carrying in this admittance request.
Referring to Fig. 2, the method for acceptance judging in the handoff procedure that the embodiment of the invention provides specifically may further comprise the steps:
Step 20: source base station generates the scope of candidate cell;
Step 21: source base station sends the admittance request that comprises the acceptance judging criterion and treat the beared information that candidate cell is admitted to candidate base station;
Described source base station is the base station of control sub-district, the current place of switching terminal, and described candidate base station is the base station of control candidate cell;
Step 22: after candidate base station receives described admittance request, described carrying to be accepted is carried out acceptance judging and generated admission judgment result according to described acceptance judging criterion;
Step 23: candidate base station returns switching request acknowledgement message or switches to described source base station according to described admission judgment result prepares failed message;
Step 24: whether source base station judge described candidate cell as Target cell according to the message received, concrete, if receive switching request acknowledgement message, then judges described candidate cell as Target cell; If receive and switch to prepare failed message, judge then not with described candidate cell as Target cell, and then select next candidate cell that repeated execution of steps 21～step 24 is determined or all candidate cells have all traveled through up to Target cell.
With specific embodiment the inventive method is described below:
Embodiment one:
In the present embodiment, the acceptance judging criterion that source base station sends is: if there be N carrying in switching terminal, if when certain candidate cell can all admit described N to carry, this candidate cell could be as Target cell.Idiographic flow is as follows:
Step S01: source base station sends handoff request message to the candidate base station of control candidate target cells, comprises described acceptance judging criterion in this handoff request message, and the tabulation that comprises N beared information of switching terminal;
Step S02: after candidate base station receives described handoff request message, according to a current available resource and a described N loaded information, judge whether all to admit described N carrying, if, then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message;
Step S03: source base station judges that then described candidate cell is a Target cell, carries out follow-up switch operating if receive the switching request acknowledgement message that candidate base station sends; Source base station is if receive the switching preparation failed message that candidate base station sends, judge that then described candidate cell is not Target cell, continue to select other candidate cells, execution in step S01～step S03 determines or all candidate cells have all traveled through up to Target cell.
Embodiment two:
In the present embodiment, the acceptance judging criterion that source base station sends is: if there be N carrying in switching terminal, if certain candidate cell can be received in described N carry in M of appointment when carrying, this candidate cell could be as Target cell.Idiographic flow is as follows:
Step S11: source base station sends handoff request message to the candidate base station of control candidate target cells, comprise described acceptance judging criterion in this handoff request message, comprise first tabulation of N beared information of switching terminal, and second tabulation that comprises the identification information of a described M designated bearing;
Step S12: after candidate base station receives described handoff request message, from described first tabulation, search the beared information of each bearing identification correspondence in described second tabulation, judge whether all to admit the carrying of a described M appointment then according to this beared information and current available resource, if, then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message;
Step S13: source base station judges that then described candidate cell is a Target cell, carries out follow-up switch operating if receive the switching request acknowledgement message that candidate base station sends; Source base station is if receive the switching preparation failed message that candidate base station sends, judge that then described candidate cell is not Target cell, continue to select other candidate cells, execution in step S11～step S13 determines or all candidate cells have all traveled through up to Target cell.
Need to prove, step S11～step S12 is not a sole mode of realizing present embodiment, step S11 can also be, source base station sends handoff request message to the candidate base station of control candidate target cells, comprise described acceptance judging criterion in this handoff request message, comprise first tabulation of N beared information of switching terminal, and be born with assigned tags to described M in this tabulation; Accordingly, step S12 is, after candidate base station receives described handoff request message, from described first tabulation, find the beared information that has assigned tags, judge whether all to admit the carrying of a described M appointment then according to this beared information and current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message.
Embodiment three:
In the present embodiment, the acceptance judging criterion that source base station sends is: if there be N carrying in switching terminal, if when certain candidate cell can be admitted the carrying that specifies number, this candidate cell could be as Target cell.Idiographic flow is as follows:
Step S21: source base station sends handoff request message to the candidate base station of control candidate target cells, comprises described acceptance judging criterion in this handoff request message, and the tabulation that comprises N beared information of switching terminal;
Step S22: after candidate base station receives described handoff request message, judge whether all to admit designation number purpose carrying in the described carrying to be accepted according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message;
Step S23: source base station judges that then described candidate cell is a Target cell, carries out follow-up switch operating if receive the switching request acknowledgement message that candidate base station sends; Source base station is if receive the switching preparation failed message that candidate base station sends, judge that then described candidate cell is not Target cell, continue to select other candidate cells, execution in step S21～step S23 determines or all candidate cells have all traveled through up to Target cell.
Need to prove that described specifying number can be concrete numerical value, such as numerical value A, A is greater than zero positive integer less than N, and expression can be admitted N A carrying in the carrying.
Embodiment four:
In the present embodiment, the acceptance judging criterion that source base station sends is: if there be N carrying in switching terminal, if when certain candidate cell can be admitted the carrying of whole specified type, this candidate cell could be as Target cell.Idiographic flow is as follows:
Step S31: source base station sends handoff request message to the candidate base station of control candidate target cells, comprises described acceptance judging criterion in this handoff request message, and the tabulation that comprises N beared information of switching terminal;
Step S32: after candidate base station receives described handoff request message, judge whether all to admit the carrying of specified type in described N the carrying according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message;
Step S33: source base station judges that then described candidate cell is a Target cell, carries out follow-up switch operating if receive the switching request acknowledgement message that candidate base station sends; Source base station is if receive the switching preparation failed message that candidate base station sends, judge that then described candidate cell is not Target cell, continue to select other candidate cells, execution in step S31～step S33 determines or all candidate cells have all traveled through up to Target cell.
Described specified type includes but not limited to: guarantee non-bit rate (Non-GBR) type, guarantee bit rate (GBR) type etc.
Referring to Fig. 3, the system of acceptance judging in a kind of handoff procedure, this system comprise source base station 30 and candidate base station 31, wherein:
The source base station 30 of control sub-district, the current place of switching terminal is used for sending the admittance request that comprises the acceptance judging criterion and treat the beared information that candidate cell is admitted to candidate base station;
Control candidate cell candidate base station 31, be used to receive described admittance request after, according to described acceptance judging criterion described carrying is carried out acceptance judging and is generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
Concrete, as first embodiment, candidate base station 31 comprises first decision unit and the first court verdict feedback unit, wherein:
First decision unit, be used in described acceptance judging criterion be: if can admit described whole carryings to be accepted, when described candidate cell could be as Target cell, judge whether to admit described whole carryings to be accepted according to current available resource;
The first court verdict feedback unit is used for being judged as at described first decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As second embodiment, candidate base station 31 comprises second decision unit and the second court verdict feedback unit, wherein:
Second decision unit, be used in described acceptance judging criterion be: if can be received in the part carrying of described carrying appointment to be accepted, when described candidate cell could be as target, judge whether to admit the part carrying of appointment in the described carrying to be accepted according to current available resource;
The second court verdict feedback unit is used for being judged as at described second decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As the 3rd embodiment, candidate base station 31 comprises the 3rd decision unit and the 3rd court verdict feedback unit, wherein:
The 3rd decision unit, be used in described acceptance judging criterion be: if can admit the carrying that specifies number, when described candidate cell could be as target, judge whether to admit designation number purpose carrying in the described carrying to be accepted according to current available resource;
The 3rd court verdict feedback unit is used for being judged as at described the 3rd decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As the 4th embodiment, candidate base station 31 comprises the 4th decision unit and the 4th court verdict feedback unit, wherein:
The 4th decision unit, be used in described acceptance judging criterion be: if can all admit the carrying of specified type, when described candidate cell could be as Target cell, judge whether to admit the carrying of specified type in the described carrying to be accepted according to current available resource;
The 4th court verdict feedback unit is used for being judged as at described the 4th decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
Source base station that the present invention mentions and candidate base station may belong to a MME, and this moment, source base station and candidate base station carried out Signalling exchange by the X2 interface between the base station.Source base station also may belong to different MME with candidate base station, and the Signalling exchange of this moment is realized by the S1 interface.Also be that X2 switches and S1 switches all in protection scope of the present invention.
Referring to Fig. 4, the embodiment of the invention also provides a kind of base station, and this base station comprises receiving element 40 and acceptance judging unit 41, wherein:
Receiving element 40 is used to receive the admittance request that comprises acceptance judging criterion and the beared information for the treatment of the candidate cell admittance from other base stations;
As first embodiment, acceptance judging unit 41 comprises first decision unit 50 and the first court verdict feedback unit 51, wherein:
The first court verdict feedback unit 51 is used for being judged as at described first decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As second embodiment, acceptance judging unit 41 comprises second decision unit 52 and the second court verdict feedback unit 53, wherein:
The second court verdict feedback unit 53 is used for being judged as at described second decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As the 3rd embodiment, acceptance judging unit 41 comprises the 3rd decision unit 54 and the 3rd court verdict feedback unit 55, wherein:
The 3rd decision unit 54, be used in described acceptance judging criterion be: if can admit the carrying that specifies number, when described candidate cell could be as target, judge whether to admit designation number purpose carrying in the described carrying to be accepted according to current available resource;
The 3rd court verdict feedback unit 55 is used for being judged as at described the 3rd decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
As the 4th embodiment, acceptance judging unit 41 comprises the 4th decision unit 56 and the 4th court verdict feedback unit 57, wherein:
The 4th decision unit 56, be used in described acceptance judging criterion be: if can all admit the carrying of specified type, when described candidate cell could be as Target cell, judge whether to admit the carrying of specified type in the described carrying to be accepted according to current available resource;
The 4th court verdict feedback unit 57 is used for being judged as at described the 4th decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
To sum up, beneficial effect of the present invention is:
In the scheme that the embodiment of the invention provides, source base station is placed on the acceptance judging criterion to admit in the request and sends to candidate base station, and candidate base station returns to source base station after carrying out acceptance judging and generate admission judgment result according to the acceptance judging criterion of carrying in this admittance request.As seen, candidate base station is according to carrying out acceptance judging from the acceptance judging criterion in the admittance request of source base station, and flexibility improves greatly, and can be good at satisfying experience requirements of users.
Simultaneously, source base station sends to candidate base station with the acceptance judging criterion, candidate base station carries out acceptance judging according to the criterion of source base station side, can guarantee the uniformity of source base station and candidate base station, thereby avoid candidate base station to carry out the unnecessary resource reservation that carries out that acceptance judging causes, simplified system operation according to the criterion of self.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1, the method for acceptance judging in a kind of handoff procedure is characterized in that this method comprises:
The admittance request that comprises acceptance judging criterion and the beared information for the treatment of the candidate cell admittance that candidate base station reception sources base station sends;
According to described acceptance judging criterion described carrying is carried out acceptance judging and generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
2, the method for claim 1 is characterized in that, if described acceptance judging criterion is: in the time can admitting described whole carrying to be accepted, described candidate cell could be as Target cell;
Describedly described carrying is carried out acceptance judging and is generated admission judgment result, return switching request acknowledgement message or switch to described source base station according to described admission judgment result and prepare failed message and comprise according to described acceptance judging criterion:
Judge whether to admit described whole carryings to be accepted according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message.
3, the method for claim 1 is characterized in that, if described acceptance judging criterion is: when the part of appointment was carried in can being received in described carrying to be accepted, described candidate cell could be as Target cell;
Describedly described carrying is carried out acceptance judging and is generated admission judgment result, return switching request acknowledgement message or switch to described source base station according to described admission judgment result and prepare failed message and comprise according to described acceptance judging criterion:
Judge whether to admit the part of described appointment to carry according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message.
4, the method for claim 1 is characterized in that, if described acceptance judging criterion is: in the time can admitting the carrying that specifies number, described candidate cell could be as Target cell;
Describedly described carrying is carried out acceptance judging and is generated admission judgment result, return switching request acknowledgement message or switch to described source base station according to described admission judgment result and prepare failed message and comprise according to described acceptance judging criterion:
Judge whether to admit designation number purpose carrying in the described carrying to be accepted according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message.
5, the method for claim 1 is characterized in that, if described acceptance judging criterion is: in the time can all admitting the carrying of specified type, described candidate cell could be as Target cell;
Describedly described carrying is carried out acceptance judging and is generated admission judgment result, return switching request acknowledgement message or switch to described source base station according to described admission judgment result and prepare failed message and comprise according to described acceptance judging criterion:
Judge whether to admit the carrying of specified type in the described carrying to be accepted according to current available resource, if then generate the acceptance judging successful result, and return switching request acknowledgement message to described source base station; Otherwise, generate the acceptance judging failure result, and return switching to described source base station and prepare failed message.
6, the system of acceptance judging in a kind of handoff procedure is characterized in that this system comprises:
Source base station is used for sending the admittance request that comprises the acceptance judging criterion and treat the beared information that candidate cell is admitted to candidate base station;
Candidate base station, be used to receive described admittance request after, according to described acceptance judging criterion described carrying is carried out acceptance judging and is generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described source base station according to described admission judgment result.
7, system as claimed in claim 6 is characterized in that, described candidate base station comprises:
First decision unit, be used in described acceptance judging criterion be: if can admit described whole carryings to be accepted, when described candidate cell could be as Target cell, judge whether to admit described whole carryings to be accepted according to current available resource;
The first court verdict feedback unit is used for being judged as at described first decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
8, system as claimed in claim 6 is characterized in that, described candidate base station comprises:
Second decision unit, be used in described acceptance judging criterion be: if can be received in the part carrying of described carrying appointment to be accepted, when described candidate cell could be as target, judge whether to admit the part carrying of appointment in the described carrying to be accepted according to current available resource;
The second court verdict feedback unit is used for being judged as at described second decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
9, system as claimed in claim 6 is characterized in that, described candidate base station comprises:
The 3rd decision unit, be used in described acceptance judging criterion be: if can admit the carrying that specifies number, when described candidate cell could be as target, judge whether to admit designation number purpose carrying in the described carrying to be accepted according to current available resource;
The 3rd court verdict feedback unit is used for being judged as at described the 3rd decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
10, system as claimed in claim 6 is characterized in that, described candidate base station comprises:
The 4th decision unit, be used in described acceptance judging criterion be: if can all admit the carrying of specified type the time, when described candidate cell could be as Target cell, judge whether to admit the carrying of specified type in the described carrying to be accepted according to current available resource;
The 4th court verdict feedback unit is used for being judged as at described the 4th decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
11, a kind of base station is characterized in that, this base station comprises:
Receiving element is used to receive the admittance request from other base stations, comprises the acceptance judging criterion and treats the beared information that candidate cell is admitted in this admittance request;
The acceptance judging unit is used for according to described acceptance judging criterion described carrying being carried out acceptance judging and being generated admission judgment result; Return switching request acknowledgement message or switch the preparation failed message to described other base stations according to described admission judgment result.
12, base station as claimed in claim 11 is characterized in that, described acceptance judging unit comprises:
First decision unit, be used in described acceptance judging criterion be: if can admit described whole carryings to be accepted, when described candidate cell could be as Target cell, judge whether to admit described whole carryings to be accepted according to current available resource;
The first court verdict feedback unit is used for being judged as at described first decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
13, base station as claimed in claim 11 is characterized in that, described acceptance judging unit comprises:
Second decision unit, be used in described acceptance judging criterion be: if can be received in the part carrying of described carrying appointment to be accepted, when described candidate cell could be as Target cell, judge whether to admit the part carrying of appointment in the described carrying to be accepted according to current available resource;
The second court verdict feedback unit is used for being judged as at described second decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
14, base station as claimed in claim 11 is characterized in that, described acceptance judging unit comprises:
The 3rd decision unit, be used in described acceptance judging criterion be: if can admit the carrying that specifies number, when described candidate cell could be as Target cell, judge whether to admit designation number purpose carrying in the described carrying to be accepted according to current available resource;
The 3rd court verdict feedback unit is used for being judged as at described the 3rd decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
15, base station as claimed in claim 11 is characterized in that, described acceptance judging unit comprises:
The 4th decision unit, be used in described acceptance judging criterion be: if can all admit the carrying of specified type, when described candidate cell could be as Target cell, judge whether to admit the carrying of specified type in the described carrying to be accepted according to current available resource;
The 4th court verdict feedback unit is used for being judged as at described the 4th decision unit and generates the acceptance judging successful result when being, and returns switching request acknowledgement message to described source base station; Generate the acceptance judging failure result when being judged as not, and return switching to described source base station and prepare failed message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101044444A CN101562850A (en) | 2008-04-18 | 2008-04-18 | Method for admitting judgment during switching process as well as system and device thereof |
Applications Claiming Priority (1)
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