CN101553016A - Method and apparatus for cell switching - Google Patents
Method and apparatus for cell switching Download PDFInfo
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- CN101553016A CN101553016A CNA2009100842367A CN200910084236A CN101553016A CN 101553016 A CN101553016 A CN 101553016A CN A2009100842367 A CNA2009100842367 A CN A2009100842367A CN 200910084236 A CN200910084236 A CN 200910084236A CN 101553016 A CN101553016 A CN 101553016A
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Abstract
The embodiment of the invention discloses method and apparatus for cell switching that belongs to communication field. The method includes: if a first user needs to switch cell, then sends switching request to the target cell located target system; if a first profession needed speed of the first user device is larger than the first profession speed of the target cell supported, then receiving the target system returned profession type speed of the target cell supported. The embodiment of the invention provided technical scheme can assure the UE switched to a condition satisfied cell timely.
Description
Technical field
The present invention relates to the communications field, particularly a kind of cell switching method and device.
Background technology
(the Long Term Evolution of LTE system, Long Term Evolution) is the evolution of 3G system, it improves and has strengthened the aerial access technology of 3G, improved the performance of Cell Edge User, improve cell capacity and reduce system delay, for following radio communication provides higher transmission rate, littler transmission delay, bigger power system capacity and coverage rate.The LTE system can support the very type of service of two-forty, and GBR (Guarantee Bit Rate guarantees speed) that therefore can supporting business is generally bigger.And present GSM (Global System for Mobile Communications, global system for mobile communications) or WCDMA (WidebandCode Division Multiple Address, Wideband Code Division Multiple Access (WCDMA)) etc. the speed that can support of the sub-district hardware of system is limited, and the business that surpasses given pace for GBR then can not be supported.When certain high speed business need switch to Target cell, if the GBR of this high speed business of speed ratio that this Target cell can be supported is low, then the goal systems at this Target cell place can be because the speed of this Target cell be lower than the GBR of this high speed business handoff failure, because the speed of high speed business can not be reduced to below the GBR, otherwise just can not guarantee the characteristic of this high speed business.
In order to guarantee UE (User Equipment, subscriber equipment) can switch to the sub-district that satisfies condition timely, prior art is in the configuring adjacent cell relation, configuration by network planning allows the different system cell of LTE system around knowing all be what type, and allows the maximum rate that switches according to dissimilar cell settings.UE is when switch these sub-districts like this, just can determine which sub-district can switch for current UE business GBR according to the adjacent different system information of network planning configuration, and which sub-district need not be considered to switch.
But this method by the network planning configuration if the type of sub-district is too many, can have been brought very big trouble to network planning.
The changing method that also has a kind of different system cell in the prior art, initiate after the switching of sub-district the cell-of-origin, if the destination end system is because sub-district hardware capabilities deficiency causes the UE can't access, sub-district handoff failure, goal systems can carry failure cause " local resource deficiency " and give the base station in switch failure information.
But because the implication of " local resource deficiency " this reason representative is wider, source eNodeB (E-UTRAN NodeB, base station) can not learn accurately after obtaining this cause value what the reason of handoff failure is, also just can't take correct operation.
Summary of the invention
In order to guarantee that UE can switch to the sub-district that satisfies condition timely, the embodiment of the invention provides a kind of cell switching method and device.Described technical scheme is as follows:
The embodiment of the invention provides a kind of cell switching method, and described method comprises:
Switch if first subscriber equipment need carry out the sub-district, the goal systems to the Target cell place sends handoff request;
If the speed of described first business that the first professional required speed of described first subscriber equipment is supported greater than described Target cell receives the speed of the type of service that described Target cell that described goal systems returns supports.
The embodiment of the invention provides a kind of cell switching method, and described method comprises:
The origin system at place, reception sources sub-district is that first subscriber equipment carries out the sub-district handoff request that transmission is switched in the sub-district;
If the speed of described first business that the first professional required speed of described first subscriber equipment is supported greater than described Target cell sends the speed of the type of service that described Target cell supports to described origin system.
The embodiment of the invention provides a kind of sub-district switching device shifter, and described device comprises:
Sending module is used for when first subscriber equipment need carry out the sub-district switching, and the goal systems to the Target cell place sends handoff request;
Receiver module, if during the described first professional required speed that the first professional required speed that is used for described first subscriber equipment is supported greater than described Target cell, receive the speed of the type of service that described Target cell that described goal systems returns supports, the speed of the type of service of described Target cell support comprises the GBR of described first business that described Target cell is supported or all professional GBR that described Target cell is supported.
The embodiment of the invention provides a kind of sub-district switching device shifter, and described device comprises:
Receiver module, the origin system that is used for place, reception sources sub-district are that first subscriber equipment carries out the sub-district handoff request that transmission is switched in the sub-district;
Sending module if be used for the speed of the required speed of first business of described first subscriber equipment greater than described first business of described Target cell support, sends the speed of the type of service of described Target cell support to described origin system.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, the service rate supported of receiving target sub-district then, like this, the base station just can learn that the reason of sub-district handoff failure is the speed that Target cell can not be supported the business of the current switching of this UE.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of cell switching method of providing of the embodiment of the invention 1;
Fig. 2 is the schematic flow sheet of the cell switching method in the LTE system that provides of the embodiment of the invention 2;
Fig. 3 is the schematic flow sheet of a kind of cell switching method of providing of the embodiment of the invention 3;
Fig. 4 is the structural representation of a kind of sub-district switching device shifter of providing of the embodiment of the invention 4;
Fig. 5 is the structural representation of a kind of sub-district switching device shifter of providing of the embodiment of the invention 5.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, the embodiment of the invention provides a kind of schematic flow sheet of cell switching method, when this method sends handoff request in the goal systems to the Target cell place, when this professional speed that the professional required speed of UE is supported greater than Target cell, the speed of the type of service that this Target cell that the receiving target system returns is supported, when later on again when the goal systems at this Target cell place sends handoff request, if the professional required speed of current to be switched UE is during greater than this professional speed of this Target cell hardware supports, the business of current to be switched Ue is not switched to this Target cell, selected to be switched sub-district for this UE again.
This method comprises:
101: switch if first subscriber equipment need carry out the sub-district, the goal systems to the Target cell place sends handoff request.
Exemplary, if first subscriber equipment need carry out the sub-district switching in the LTE system, when the HSPA+ sub-district of this first subscriber equipment in the WCDMA system switched in the base station decision, then the base station sends handoff request to this WCDMA system, carries type of service and the required relevant informations such as GBR of this business of the UE that needs switching in this handoff request.
102: if the speed of first business that the first professional required speed of first subscriber equipment is supported greater than Target cell, the speed of the type of service that the Target cell that the receiving target system returns is supported.
Target cell can be different system cell, and the type of service of support can be speech business, also can be that stream is professional.For example, Target cell is the HSPA+ sub-district, the GBR of the speech business of this HSPA+ sub-district hardware supports is 28M, the GBR of the stream business that the HSPA+ sub-district is supported is 384K, if the GBR of the speech business of the UE that carries in the handoff request is 30M, then the handoff request of the UE of this speech business is not just accepted to carry in this HSPA+ sub-district.
Exemplary, the speed of the type of service that the receiving target sub-district is supported, can realize in the following way: the failure response signaling that the receiving target system returns, this failure response signaling is carried the speed of the type of service of Target cell support, and the speed of the type of service of Target cell support comprises the GBR of first business that Target cell is supported or all professional GBR that Target cell is supported.
Optionally, present embodiment can also comprise the steps:
103: switching if second subscriber equipment need carry out the sub-district, during the speed of first business that the first professional required speed of second subscriber equipment is supported greater than described Target cell, is that second subscriber equipment is selected to be switched sub-district again.
Below so that be example with speech business and the professional UE of stream, present embodiment is further specified:
First subscriber equipment uses speech business and streaming media service at the same time, when first subscriber equipment need carry out the sub-district switching, the base station that first subscriber equipment inserts sends handoff request to the goal systems at Target cell place, this handoff request shows that first subscriber equipment need carry out the sub-district and switch, goal systems judges according to handoff request whether first subscriber equipment can insert Target cell, if the required GBR of the speech business of first subscriber equipment is greater than the GBR of the speech business of Target cell hardware supports, then goal systems is returned the GBR of speech business of this Target cell hardware supports or all professional GBR of this Target cell hardware supports to the origin system at place, cell-of-origin; If to be switched business is speech business in second subscriber equipment,, be that second subscriber equipment is selected to be switched sub-district again then as the required GBR of the speech business of second subscriber equipment during greater than the GBR of the voice of Target cell hardware supports; If the current to be switched business of second subscriber equipment is professional for stream, in goal systems when origin system returns all professional GBR of this Target cell hardware supports, if the professional required GBR of the stream of second subscriber equipment during greater than the GBR of the stream business of Target cell hardware supports, is that second subscriber equipment is selected to be switched sub-district again.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, the service rate supported of receiving target sub-district then, like this, the base station just can learn that the reason of sub-district handoff failure is the speed that Target cell can not be supported the business of the current switching of this UE; Further, in the follow-up sub-district of carrying out when switching, the professional GBR of can be directly more current to be switched UE and this professional speed that Target cell can be supported guarantee that this current to be switched UE can switch to the sub-district that satisfies condition timely.
Embodiment 2
The schematic flow sheet of the method that Fig. 2 switches for a kind of sub-district that the embodiment of the invention 2 provides referring to Fig. 2, comprising:
Subscriber equipment was to the base station reporting measurement reports in 201: the first.
Exemplary, first subscriber equipment is to the eNodeB of LTE system reporting measurement reports.
202: when the base station determines that according to measurement report the first subscriber equipment needs switch, send handoff request to MME (MobilityManagement Entity, mobile management device).
203:MME sends to handoff request the goal systems at Target cell place.
For example, goal systems can be the WCDMA system that is different from the LTE system.
204: when goal systems is switched according to handoff request, if the GBR of the first to be switched user apparatus service is greater than this professional GBR of Target cell hardware supports, send the handoff failure response signaling to MME, this failure response signaling is carried the speed of the type of service of Target cell hardware supports, and the speed of the type of service of Target cell hardware supports comprises the GBR of first business of Target cell hardware supports or all professional GBR of Target cell hardware supports.
205:MME sends to the base station with the handoff failure response signaling.
Exemplary, the handoff failure response signaling can be referring to table 1, and MME increases a field in the handoff failure response signaling that the base station is returned, and this field is carried the speed of the type of service of this Target cell hardware supports.
| The cell title | Parameter attribute |
| The response signaling type | M (Must, essential) |
| The S1 interface unique identification of the inner UE of MME | M |
| The S1 interface unique identification of inside of base station UE | M |
| The response signaling reason | M |
| The wrong cell process information | O (Optional, optional) |
| GBR information | O |
Referring to table 2, be the specifying information of the GBR in the table 1:
| The cell title | Parameter attribute |
| Maximum rate information | M |
| The maximum rate that stream is professional | O |
| The maximum rate of speech business | O |
The speed of the type of service of the Target cell hardware supports received is preserved in the base station, and for example, the maximum rate of establishing the stream business of the Target cell hardware supports of preserving the base station is 384K, and the maximum rate of the speech business of Target cell hardware supports is 28M.When second subscriber equipment need carry out the sub-district switching, the base station can compare according to this professional GBR that the Target cell of the type of service of second subscriber equipment and professional GBR and preservation can be supported: if determine this Target cell when not supporting second subscriber equipment professional, select to be switched sub-district for this second subscriber equipment again.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, the service rate supported of receiving target sub-district then, like this, the base station just can learn that the reason of sub-district handoff failure is the speed that the hardware of Target cell can not be supported the business of the current switching of this UE; Further, in the follow-up sub-district of carrying out when switching, the professional GBR of can be directly more current to be switched UE and this professional speed that Target cell hardware can be supported guarantee that this current to be switched UE can in time switch to the sub-district that satisfies condition.
Embodiment 3
Referring to Fig. 3, the embodiment of the invention provides a kind of cell switching method, and this method comprises:
301: the origin system at place, reception sources sub-district is that first subscriber equipment carries out the sub-district handoff request that transmission is switched in the sub-district.
Exemplary, if origin system is the LTE system, first subscriber equipment need carry out the sub-district switching in the LTE system, and goal systems WCDMA system receives the handoff request that the LTE system sends, and this handoff request shows that first subscriber equipment need switch the HSPA+ sub-district in the WCDMA system.
302: if the speed of first business that the first professional required speed of first subscriber equipment is supported greater than Target cell sends the speed of the type of service that Target cell supports to origin system.
Exemplary, the speed of the type of service that Target cell is supported can be the speed of the type of service of Target cell hardware supports, and type of service can be speech business, also can be that stream is professional.Speed can be the GBR of business.
Exemplary, if the GBR that the required GBR of first subscriber equipment supports greater than Target cell, the goal systems at Target cell place is returned the speed of the type of service of Target cell support.For example, Target cell is the HSPA+ sub-district, the GBR of the speech business of HSPA+ sub-district hardware supports is 28M, the GBR of the stream business of HSPA+ sub-district hardware supports is 384K, if the GBR of the speech business of first subscriber equipment that carries in the handoff request is 30M, then the required speed of the speech business of first subscriber equipment is just greater than the speed of the speech business of Target cell hardware supports.
Exemplary, send the speed of the type of service of Target cell support to origin system, can realize in the following way: send the failure response signaling to origin system, this failure response signaling is carried the speed of the type of service of Target cell support, and the speed of the type of service of Target cell support comprises the GBR of first business that Target cell is supported or all professional GBR that Target cell is supported.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, send the speed of the type of service of Target cell support to the origin system at place, cell-of-origin, like this, origin system just can learn that the reason of sub-district handoff failure is the speed that Target cell can not be supported the business of the current switching of this UE, and then takes corresponding operation.
Embodiment 4
Referring to Fig. 4, the embodiment of the invention provides a kind of sub-district switching device shifter, and this device comprises: sending module 401 and receiver module 402;
Sending module 401 is used for when first subscriber equipment need carry out the sub-district switching, and the goal systems to the Target cell place sends handoff request.
Exemplary, if first subscriber equipment need carry out the sub-district switching in the LTE system, when the HSPA+ sub-district of this first subscriber equipment in the WCDMA system switched in the base station decision, then the base station sends handoff request to this WCDMA system, carries type of service and the required relevant informations such as GBR of this business of the UE that soon needs switching in this handoff request.
Target cell can be different system cell, and the type of service of support can be speech business, also can be that stream is professional.For example, Target cell is the HSPA+ sub-district, the GBR of the speech business that this HSPA+ sub-district is supported is 28M, the GBR of the stream business that the HSPA+ sub-district is supported is 384K, if the GBR of the speech business of the UE that carries in the handoff request is 30M, then the handoff request of the UE of this speech business is not just accepted to carry in this HSPA+ sub-district.
In the present embodiment, receiver module 402, specifically be used for the failure response signaling that the receiving target system returns, this failure response signaling is carried the speed of the type of service of Target cell support, and the speed of the type of service of Target cell support comprises the GBR of first business that Target cell is supported or all professional GBR that Target cell is supported.
In the present embodiment, this device can also comprise: select module, need carry out the sub-district switching if be used for second subscriber equipment, during the speed of first business that the first professional required speed of this second subscriber equipment is supported greater than Target cell, select to be switched sub-district for this second subscriber equipment again.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, the service rate supported of receiver module receiving target sub-district then, like this, the base station just can learn that the reason of sub-district handoff failure is the speed that Target cell can not be supported the business of the current switching of this UE; Further, in the follow-up sub-district of carrying out when switching, select the professional GBR of can be the directly more current to be switched UE of module and this professional speed that Target cell can be supported, guarantee that this current to be switched UE can switch to the sub-district that satisfies condition timely.
Embodiment 5
Referring to Fig. 5, the embodiment of the invention provides a kind of sub-district switching device shifter, and this device comprises: receiver module 501 and sending module 502;
Exemplary, if origin system is the LTE system, first subscriber equipment need carry out the sub-district switching in the LTE system, and goal systems WCDMA system receives the handoff request that the LTE system sends, and this handoff request shows that first subscriber equipment need switch the HSPA+ sub-district in the WCDMA system.
Sending module 502 if be used for the speed of the required speed of first business of first subscriber equipment greater than first business of Target cell support, sends the speed of the type of service of Target cell support to origin system.
Exemplary, the speed of the type of service that Target cell is supported can be the speed of the type of service of Target cell hardware supports, and type of service can be speech business, also can be that stream is professional.Speed can be the GBR of business.
Exemplary, if the GBR that the required GBR of first subscriber equipment supports greater than Target cell, the goal systems at Target cell place is returned the speed of the type of service of Target cell support.For example, Target cell is the HSPA+ sub-district, the GBR of the speech business of HSPA+ sub-district hardware supports is 28M, the GBR of the stream business of HSPA+ sub-district hardware supports is 384K, if the GBR of the speech business of first subscriber equipment that carries in the handoff request is 30M, then the required speed of the speech business of first subscriber equipment is just greater than the speed of the speech business of Target cell hardware supports.
In the present embodiment, sending module 502, if specifically be used for the speed of the required speed of first business of first subscriber equipment greater than first business of Target cell support, send the failure response signaling to origin system, carry the GBR of first business that Target cell supports or all professional GBR that Target cell is supported in this failure response signaling.
The technical scheme that the embodiment of the invention provides, in cell switch process, if during the service rate that the professional required speed of UE can be supported greater than Target cell, sending module sends the speed of the type of service of Target cell support to the origin system at place, cell-of-origin, like this, origin system just can learn that the reason of sub-district handoff failure is the speed that Target cell can not be supported the business of the current switching of this UE, and then takes corresponding operation.
The embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, for example, and in the hard disk of computer, buffer memory or the CD.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a cell switching method is characterized in that, described method comprises:
Switch if first subscriber equipment need carry out the sub-district, the goal systems to the Target cell place sends handoff request;
If the speed of described first business that the first professional required speed of described first subscriber equipment is supported greater than described Target cell receives the speed of the type of service that described Target cell that described goal systems returns supports.
2. method according to claim 1 is characterized in that, described method also comprises:
Switch if second subscriber equipment need carry out the sub-district, during the speed of described first business that the described first professional required speed of described second subscriber equipment is supported greater than described Target cell, select to be switched sub-district for described second subscriber equipment again.
3. according to the described arbitrary method of claim 1-2, it is characterized in that, receive the speed of the type of service of described Target cell support, comprising:
Receive the failure response signaling that described goal systems is returned, described failure response signaling is carried the speed of the type of service of described Target cell support, and the speed of the type of service of described Target cell support comprises the assurance speed GBR of described first business that described Target cell is supported or all professional GBR that described Target cell is supported.
4. a cell switching method is characterized in that, described method comprises:
The origin system at place, reception sources sub-district is that first subscriber equipment carries out the sub-district handoff request that transmission is switched in the sub-district;
If the speed of described first business that the first professional required speed of described first subscriber equipment is supported greater than described Target cell sends the speed of the type of service that described Target cell supports to described origin system.
5. method according to claim 4 is characterized in that, sends the speed of the type of service that described Target cell supports to described origin system, comprising:
Send the failure response signaling to described origin system, carry the GBR of described first business that described Target cell supports or all professional GBR that described Target cell is supported in the described failure response signaling.
6. a sub-district switching device shifter is characterized in that, described device comprises:
Sending module is used for when first subscriber equipment need carry out the sub-district switching, and the goal systems to the Target cell place sends handoff request;
Receiver module, if during the described first professional required speed that the first professional required speed that is used for described first subscriber equipment is supported greater than described Target cell, receive the speed of the type of service that described Target cell that described goal systems returns supports, the speed of the type of service of described Target cell support comprises the assurance speed GBR of described first business that described Target cell is supported or all professional GBR that described Target cell is supported.
7. device according to claim 6 is characterized in that, described device also comprises:
Select module, need carry out the sub-district switching if be used for second subscriber equipment, during the speed of described first business that the described first professional required speed of described second subscriber equipment is supported greater than described Target cell, select to be switched sub-district for described second subscriber equipment again.
8. a sub-district switching device shifter is characterized in that, described device comprises:
Receiver module, the origin system that is used for place, reception sources sub-district are that first subscriber equipment carries out the sub-district handoff request that transmission is switched in the sub-district;
Sending module if be used for the speed of the required speed of first business of described first subscriber equipment greater than described first business of described Target cell support, sends the speed of the type of service of described Target cell support to described origin system.
9. device according to claim 8, it is characterized in that, described sending module, if specifically be used for the speed of the required speed of first business of described first subscriber equipment greater than described first business of described Target cell support, send the failure response signaling to described origin system, carry the GBR of described first business that described Target cell supports or all professional GBR that described Target cell is supported in the described failure response signaling.
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| CN2009100842367A CN101553016B (en) | 2009-05-14 | 2009-05-14 | Method and apparatus for cell switching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108401223A (en) * | 2017-02-08 | 2018-08-14 | 大唐移动通信设备有限公司 | A kind of cell switching method and device |
| CN108616821A (en) * | 2016-12-20 | 2018-10-02 | 成都鼎桥通信技术有限公司 | The cut-in method and device of group service |
| CN109257777A (en) * | 2017-07-14 | 2019-01-22 | 中国移动通信有限公司研究院 | A kind of switching method, first base station, terminal and computer readable storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537981A (en) * | 2014-07-30 | 2017-03-22 | 诺基亚通信公司 | Handover method, handover apparatus and handover system |
| CN115885542A (en) * | 2020-08-20 | 2023-03-31 | 华为技术有限公司 | Communication method and device |
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2009
- 2009-05-14 CN CN2009100842367A patent/CN101553016B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108616821A (en) * | 2016-12-20 | 2018-10-02 | 成都鼎桥通信技术有限公司 | The cut-in method and device of group service |
| CN108616821B (en) * | 2016-12-20 | 2021-05-04 | 成都鼎桥通信技术有限公司 | Access method and device of cluster service |
| CN108401223A (en) * | 2017-02-08 | 2018-08-14 | 大唐移动通信设备有限公司 | A kind of cell switching method and device |
| CN109257777A (en) * | 2017-07-14 | 2019-01-22 | 中国移动通信有限公司研究院 | A kind of switching method, first base station, terminal and computer readable storage medium |
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| CN101553016B (en) | 2012-02-29 |
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