CN104869600A - Cell selection method, cell selection device and base station device - Google Patents
Cell selection method, cell selection device and base station device Download PDFInfo
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- CN104869600A CN104869600A CN201410058890.1A CN201410058890A CN104869600A CN 104869600 A CN104869600 A CN 104869600A CN 201410058890 A CN201410058890 A CN 201410058890A CN 104869600 A CN104869600 A CN 104869600A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
The present invention discloses a cell selection method, a cell selection device and a base station device which are used for selecting the target cells reasonably and improving the utilization efficiency of the network resources, wherein the cell selection method comprises the steps of obtaining the business type information of the current used business of a terminal, and when a service cell satisfies a switching condition, obtaining the switching correlated information of the candidate target cells, wherein the switching correlated information comprises the signal intensity information, the network type information and the used frequency band information of the candidate target cells; and selecting the candidate target cells satisfying the preset conditions as the target cells according to the business type information and the switching correlated information.
Description
Technical field
The present invention relates to wireless technical field, particularly relate to a kind of cell selecting method, device and base station equipment.
Background technology
For Frequency Division Duplexing (FDD) (FDD, requency Division Duplexing) and time division duplex (TDD, Time Division Duplexing) wireless communication system, at the networking initial stage, the switching based on covering (signal strength signal intensity) is the main mode switched between FDD system and TDD system.Adopt frequency range because of FDD with TDD or build successively different, thus network coverage level existence difference, by based on the switching covered, can ensure the business continuity in fast mobile terminal.
As shown in Figure 1, be the implementing procedure schematic diagram based on the cell merge covered, comprise the following steps:
S101, Serving cell send Survey control Indication message to terminal.
When serving cell signal meets A2(serving cell signal lower than threshold value) event time, network side to terminal send different-frequency measure control.
The measurement configuration that S102, terminal issue according to network side is measured adjacent cell.
S103, terminal are to network side reporting measurement reports.
Terminal is measured the signal of alien frequencies adjacent area and is met A3(neighboring area signal higher than the certain thresholding in Serving cell) event or A4(neighboring area signal be higher than certain thresholding) event or A5(serving cell signal lower than certain thresholding, neighboring area signal higher than certain thresholding) event time report corresponding measurement report.
S104, network side carry out switch decision according to the measurement report received.
Network side is initiated alien frequencies (alien frequencies between FDD, TDD, or in FDD alien frequencies in alien frequencies or TD-LTE) according to the measurement report that receives and is switched.
S105, Serving cell initiate to Target cell to switch to prepare;
Concrete, Serving cell initiates to switch preparation to Target cell by core net evolution (EPC, Evolved Packet Core).
S106, Serving cell send switching command to terminal.
S107, terminal synchronizes be switched to Target cell.
Only switch according to cell signal select target community in above-mentioned cell switch process, if the Target cell selected according to signal strength signal intensity be not suitable for terminal current using business time, will the utilization ratio of Internet resources be reduced.
Summary of the invention
The embodiment of the present invention provides a kind of cell selecting method, device and base station equipment, in order to choose reasonable Target cell, improves the utilization ratio of Internet resources.
The embodiment of the present invention provides a kind of cell selecting method, comprising:
Obtain the traffic type information of the current use business of terminal; And
When Serving cell meets switching condition, obtain the handover relevant information of candidate target cells, described handover relevant information comprises signal strength information, the network type information of described candidate target cells and uses band information;
According to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell.
The embodiment of the present invention provides a kind of cell selecting apparatus, comprising:
Obtain unit, for obtaining the traffic type information of the current use business of terminal;
Acquiring unit, for when Serving cell meets switching condition, obtains the handover relevant information of candidate target cells, and described handover relevant information comprises signal strength information, the network type information of described candidate target cells and uses band information;
Selected cell, for according to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell.
The embodiment of the present invention provides a kind of base station equipment, comprises above-mentioned cell selecting apparatus.
The cell selecting method that the embodiment of the present invention provides, device and base station equipment, first the traffic type information of the current use business of terminal is obtained, and meet switching condition in Serving cell and be, obtain the handover relevant information of candidate target cells, comprise the signal strength information of candidate target cells, network type information and use band information, the traffic type information of business is used according to terminal, and the handover relevant information select target community of candidate target cells, owing to processing outside the signal strength signal intensity with reference to candidate target cells when select target community, also with reference to the traffic type information that terminal is using business, the network type information of candidate target cells and use band information, make the Target cell selected more be applicable to terminal and use business, thus improve the utilization ratio of Internet resources.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is in prior art, the implementing procedure schematic diagram of cell merge;
Fig. 2 is in the embodiment of the present invention, the implementing procedure schematic diagram that community is selected;
Fig. 3 is in the embodiment of the present invention, the implementing procedure schematic diagram of cell merge;
Fig. 4 is in the embodiment of the present invention, the structural representation of cell selecting apparatus.
Embodiment
In order to carry out in cell switch process in terminal, choose reasonable Target cell, to improve the utilization ratio of Internet resources, embodiments provides a kind of cell selecting method, device and base station equipment.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, be not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
It should be noted that, the embodiment of the present invention is applicable between dissimilar communication system and the communication system of identical type is carrying out select target community in cell switch process, the GSM(global system for mobile communications of such as 2G) and CDMA(code division multiple access) system, the TD-SCDMA(TD SDMA of 3G), WCDMA(Wideband Code Division Multiple Access (WCDMA)) and the TD-LTE(timesharing Long Term Evolution of CDMA2000 etc. and 4G) and LTE-FDD, be particularly useful between TD-LTE and LTE-FDD and the distribution of Radio Resource between TD-LTE system different frequency range, for convenience of description, below to be described between TD-LTE and LTE-FDD system.
As shown in Figure 2, be the implementing procedure schematic diagram of cell selecting method, can comprise the following steps:
The traffic type information of S201, the current use business of Serving cell acquisition terminal;
During concrete enforcement, initiate Service Period at terminal initial, Serving cell becomes can obtain the current traffic type information using business of terminal, wherein, type of service comprises symmetrical service and non-symmetrical service, symmetrical service refers to that speed uplink is the same with downstream rate, that is upload file is the same with the speed of download file, as speech business, non-symmetrical service refer to speed uplink and downstream rate different, in general, the speed 2M of upload file 64K and download file, as downloading business.
S202, when Serving cell meets switching condition, obtain the handover relevant information of candidate target cells;
Wherein, handover relevant information comprises signal strength information, the network type information of described candidate target cells and uses band information, and wherein, network type information comprises TDD(time division duplex) and FDD(Frequency Division Duplexing (FDD)).It should be noted that, the TDD related in the embodiment of the present invention refers to TD-LTE, and FDD refers to LTE FDD, represents TD-LTE in the embodiment of the present invention with TDD, and FDD represents LTE FDD.
During concrete enforcement, terminal use business process in, Serving cell is measured, when it meets A2(serving cell signal lower than certain thresholding) event time, network side will to terminal send different-frequency measure control.
Terminal is measured the signal strength signal intensity of alien frequencies adjacent area and is met A3(neighboring area signal intensity higher than the certain thresholding in Serving cell) event or A4(neighboring area signal intensity is higher than certain thresholding) event or A5(serving cell signal intensity lower than certain thresholding, neighboring area signal intensity higher than certain thresholding) event, triggering terminal, to network side reporting measurement reports, carries above-mentioned handover relevant information in the measurement of terminal to report comprises.
S203, according to traffic type information and handover relevant information, select that to meet pre-conditioned candidate target cells be Target cell.
In the embodiment of the present invention, cell receiver to terminal to report measurement report after, in conjunction with before the current type of service using business of terminal that obtains, from candidate cell, select the candidate target cells of mating with type of service to be Target cell.
During concrete enforcement, select in accordance with the following methods according to different service types: for symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD is Target cell; For non-symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD is Target cell.Concrete, first signal strength signal intensity is selected to meet candidate target cells higher than certain thresholding as Target cell based on signal strength signal intensity, and based on the current type of service using business of terminal, select the candidate target cells of suitable network type as Target cell.For symmetrical service select network type be the candidate target cells of FDD as Target cell, for non-symmetrical service select network type be that the candidate target cells of TDD is as Target cell.
During concrete enforcement, for symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of FDD, selecting network type to be the candidate target cells of TDD is Target cell; For non-symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of TDD, selecting network type to be the candidate target cells of FDD is Target cell.
Preferably, for symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, minimum or the choice for use frequency range of choice for use frequency range is Target cell lower than arbitrary candidate target cells of the first predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell; And for non-symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD exists multiple, the highest or the choice for use frequency range of choice for use frequency range is Target cell higher than arbitrary candidate target cells of the second predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell.
During concrete enforcement, can also select in accordance with the following methods according to different service types: for symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell lower than arbitrary candidate target cells of the 3rd predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell; For non-symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell higher than arbitrary candidate target cells of the 4th predetermined threshold value, preferably, the candidate target cells that signal strength signal intensity can be selected best is as Target cell.
It should be noted that, if do not use frequency range to satisfy condition candidate target cells time, only need to consider that signal strength signal intensity exceedes the candidate target cells of signal strength threshold.
Preferably, if both comprised the candidate target cells that network type is FDD in candidate target cells, when to there is again network type be the candidate target cells of TDD, prioritizing selection FDD carries symmetrical service, prioritizing selection TDD carries non-symmetrical service, that is, for symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise lower than the candidate target cells of the 3rd predetermined threshold value the candidate target cells that network type is FDD, selection network type is arbitrary candidate target cells of FDD is Target cell, preferably, the candidate target cells that signal strength signal intensity can be selected best is as Target cell, for non-symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise higher than the candidate target cells of the 4th predetermined threshold value the candidate target cells that network type is TDD, selection network type is arbitrary candidate target cells of TDD is Target cell, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell.
Embodiment for a better understanding of the present invention, is described below in conjunction with the specific implementation process of cell merge flow process to the embodiment of the present invention.
As shown in Figure 3, be the implementing procedure schematic diagram of cell merge, lower step can be comprised:
S301, initiate Service Period at terminal initial, Serving cell obtains the terminal current type of service using business;
If when S302 Serving cell meets A2 event, Serving cell sends different-frequency measure to terminal and controls;
During concrete enforcement, if Serving cell meets A2(serving cell signal intensity lower than certain thresholding) event, send different-frequency measure to terminal and control.
The measurement configuration that S303, terminal issue according to network side is measured adjacent area;
During concrete enforcement, use in business procedure in terminal, terminal is measured adjacent area.
S304, terminal send measurement report to Serving cell.
During concrete enforcement, terminal is measured the signal strength signal intensity of alien frequencies adjacent area and is met A3(neighboring area signal intensity higher than the certain thresholding in Serving cell) event or A4(neighboring area signal intensity is higher than certain thresholding) event or A5(serving cell signal intensity lower than certain thresholding, neighboring area signal intensity higher than certain thresholding) event, triggering terminal is to network side reporting measurement reports, and measurement report comprises multiple candidate target cell list meeting A3, A4 or A5 event.
In addition, in networking process, FDD community or TDD cell will configure FDD adjacent area and TDD adjacent area simultaneously, thus, the band information of the use of adjacent area can be known by each community of initial configuration, such as band1, band2 etc., can determine by the corresponding relation searching band information and the network type prestored the network type that each adjacent area is corresponding.Such as, in certain region, the network type that band1 is corresponding is TDD, and network type corresponding to band2 is FDD etc.
S305, Serving cell, according to the measurement report received, select the candidate target cells satisfied condition as Target cell from candidate target cell list;
Concrete, the candidate target cells that satisfies condition can be selected according to step S201 ~ step S203 in Serving cell.
Follow-up flow process is identical with prior art small area switching flow, repeats no more here.
S306, Serving cell initiate to Target cell to switch to prepare.
Concrete, Serving cell initiates to switch preparation to Target cell by core net evolution (EPC, Evolved Packet Core).
Switching command is initiated to terminal in S307, Serving cell.
S308, terminal synchronizes be switched to Target cell.
In said process, when carrying out cell merge, Serving cell obtains signal strength signal intensity and the current traffic type information using business of terminal simultaneously, corresponding type of service is selected to be carried in suitable network type, suitable frequency range, to improve efficient network resource usage, frequency range service efficiency.
Wherein, FDD up-downgoing resource is symmetrical, and be more suitable for the symmetrical service such as voice-bearer, TDD up-downgoing resource is asymmetric, is more suitable for carrying and downloads the non-symmetrical services such as class.And the business such as voice such as VOLTE, require higher to network quality, and SRVCC(Single Radio Voice Call Continuity) etc. in business, the voice interoperability scheme comparatively data service interoperability scheme of 4G and 2G/3G network is more complicated.Cover in good low-frequency range if be carried on, the switching of 4G network and 3G/2G network can be reduced, reduce network rebuilding requirement, significantly promote speech quality; Download the asymmetric data business such as class, require relatively low to network quality, the data service interoperability scheme of 4G and 2G/3G network is relatively simple, can be carried on the relatively weak high band of covering.
Based on same inventive concept, a kind of cell selecting apparatus and base station equipment is additionally provided in the embodiment of the present invention, the principle of dealing with problems due to said apparatus and equipment is similar to cell selecting method, and therefore the enforcement of said apparatus and equipment see the enforcement of method, can repeat part and repeat no more.
As shown in Figure 4, be the structural representation of the cell selecting apparatus that the embodiment of the present invention provides, comprise:
Obtain unit 401, for obtaining the traffic type information of the current use business of terminal;
Acquiring unit 402, for when Serving cell meets switching condition, obtains the handover relevant information of candidate target cells;
Wherein, handover relevant information comprises signal strength information, the network type information of candidate target cells and uses band information;
Selected cell 403, for according to traffic type information and handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell.
Preferably, traffic type information comprises symmetrical service and non-symmetrical service; Network type information comprises FDD and TDD.
Based on this, selected cell 403 may be used for for symmetrical service, and selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD is Target cell; For non-symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD is Target cell.
Preferably, selected cell, can also be used for for symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of FDD, selecting network type to be the candidate target cells of TDD is Target cell; For non-symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of TDD, selecting network type to be the candidate target cells of FDD is Target cell.
Better, selected cell 403 can also be used for for symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, minimum or the choice for use frequency range of choice for use frequency range is Target cell lower than arbitrary candidate target cells of the first predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell; For non-symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD exists multiple, the highest or the choice for use frequency range of choice for use frequency range is Target cell higher than arbitrary candidate target cells of the second predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell.
During concrete enforcement, selected cell 403, can also be used for for symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell lower than arbitrary candidate target cells of the 3rd predetermined threshold value, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell; For non-symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell higher than arbitrary candidate target cells of the 4th predetermined threshold value, preferably, the candidate target cells that signal strength signal intensity can be selected best is as Target cell.
Preferably, selected cell 403 can also be used for for symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise lower than the candidate target cells of the 3rd predetermined threshold value the candidate target cells that network type is FDD, selection network type is arbitrary candidate target cells of FDD is Target cell, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell; For non-symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise higher than the candidate target cells of the 4th predetermined threshold value the candidate target cells that network type is TDD, selection network type is arbitrary candidate target cells of TDD is Target cell, preferably, candidate target cells signal strength signal intensity can being selected best is as Target cell.
For convenience of description, above each several part is divided into each module (or unit) according to function and describes respectively.Certainly, the function of each module (or unit) can be realized in same or multiple software or hardware when implementing of the present invention.
During concrete enforcement, above-mentioned cell selecting apparatus can be, but not limited to be arranged in base station equipment.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. a cell selecting method, is characterized in that, comprising:
Obtain the traffic type information of the current use business of terminal; And
When Serving cell meets switching condition, obtain the handover relevant information of candidate target cells, described handover relevant information comprises signal strength information, the network type information of described candidate target cells and uses band information;
According to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell.
2. the method for claim 1, is characterized in that, described traffic type information comprises symmetrical service and non-symmetrical service; Described network type information comprises FDD and TDD.
3. method as claimed in claim 2, is characterized in that, according to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell, specifically comprises:
For symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD is Target cell;
For non-symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD is Target cell.
4. method as claimed in claim 3, is characterized in that, also comprise:
For symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of FDD, selecting network type to be the candidate target cells of TDD is Target cell;
For non-symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of TDD, selecting network type to be the candidate target cells of FDD is Target cell.
5. method as claimed in claim 3, is characterized in that, also comprise:
For symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, the minimum or choice for use frequency range of choice for use frequency range is Target cell lower than arbitrary candidate target cells of the first predetermined threshold value;
For non-symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, the highest or choice for use frequency range of choice for use frequency range is Target cell higher than arbitrary candidate target cells of the second predetermined threshold value.
6. method as claimed in claim 2, is characterized in that, according to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell, specifically comprises:
For symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell lower than arbitrary candidate target cells of the 3rd predetermined threshold value;
For non-symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell higher than arbitrary candidate target cells of the 4th predetermined threshold value.
7. method as claimed in claim 6, is characterized in that, also comprise:
For symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise lower than the candidate target cells of the 3rd predetermined threshold value the candidate target cells that network type is FDD, selecting network type to be arbitrary candidate target cells of FDD is Target cell;
For non-symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise higher than the candidate target cells of the 4th predetermined threshold value the candidate target cells that network type is TDD, selecting network type to be arbitrary candidate target cells of TDD is Target cell.
8. a cell selecting apparatus, is characterized in that, comprising:
Obtain unit, for obtaining the traffic type information of the current use business of terminal;
Acquiring unit, for when Serving cell meets switching condition, obtains the handover relevant information of candidate target cells, and described handover relevant information comprises signal strength information, the network type information of described candidate target cells and uses band information;
Selected cell, for according to described traffic type information and described handover relevant information, selecting to meet pre-conditioned candidate target cells is Target cell.
9. device as claimed in claim 8, it is characterized in that, described traffic type information comprises symmetrical service and non-symmetrical service; Described network type information comprises FDD and TDD.
10. device as claimed in claim 9, is characterized in that,
Described selected cell, specifically for for symmetrical service, selects signal strength signal intensity to exceed signal strength threshold and the candidate target cells that network type is FDD is Target cell; For non-symmetrical service, selection signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is TDD is Target cell.
11. devices as claimed in claim 10, is characterized in that,
Described selected cell, also for for symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of FDD, selecting network type to be the candidate target cells of TDD is Target cell; For non-symmetrical service, if when signal strength signal intensity exceedes in the candidate target cells of signal strength threshold that not comprise network type be the candidate target cells of TDD, selecting network type to be the candidate target cells of FDD is Target cell.
12. devices as claimed in claim 10, is characterized in that,
Described selected cell, also for for symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, the minimum or choice for use frequency range of choice for use frequency range is Target cell lower than arbitrary candidate target cells of the first predetermined threshold value; For non-symmetrical service, if signal strength signal intensity exceedes signal strength threshold and the candidate target cells that network type is FDD exists multiple, the highest or choice for use frequency range of choice for use frequency range is Target cell higher than arbitrary candidate target cells of the second predetermined threshold value.
13. devices as claimed in claim 9, is characterized in that,
Described selected cell, specifically for for symmetrical service, selects signal strength signal intensity to exceed signal strength threshold and uses frequency range to be Target cell lower than arbitrary candidate target cells of the 3rd predetermined threshold value; For non-symmetrical service, select signal strength signal intensity to exceed signal strength threshold and use frequency range to be Target cell higher than arbitrary candidate target cells of the 4th predetermined threshold value.
14. devices as claimed in claim 13, is characterized in that,
Described selected cell, also for for symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise lower than the candidate target cells of the 3rd predetermined threshold value the candidate target cells that network type is FDD, selecting network type to be arbitrary candidate target cells of FDD is Target cell; For non-symmetrical service, if when signal strength signal intensity exceedes signal strength threshold and uses frequency range to comprise higher than the candidate target cells of the 4th predetermined threshold value the candidate target cells that network type is TDD, selecting network type to be arbitrary candidate target cells of TDD is Target cell.
15. 1 kinds of base station equipments, is characterized in that, comprise the device described in the arbitrary claim of claim 8 ~ 14.
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| CN108260177A (en) * | 2016-12-28 | 2018-07-06 | 大唐移动通信设备有限公司 | A kind of serving cell switching method and base station based on type of service |
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| CN108811005A (en) * | 2017-04-28 | 2018-11-13 | 大唐移动通信设备有限公司 | A kind of switching method and device of communication network |
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| CN111343670A (en) * | 2018-12-18 | 2020-06-26 | 中国移动通信集团山东有限公司 | TDD and FDD layering method and device based on uplink rate guarantee |
| CN111343670B (en) * | 2018-12-18 | 2022-12-09 | 中国移动通信集团山东有限公司 | TDD and FDD layering method and device based on uplink rate guarantee |
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| US12089101B2 (en) | 2019-05-08 | 2024-09-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Cell handover method and apparatus, handover configuration method and apparatus, and user equipment |
| CN112437475A (en) * | 2020-11-25 | 2021-03-02 | 紫光展锐(重庆)科技有限公司 | Pilot frequency measurement scheduling method and device and terminal equipment |
| WO2022222729A1 (en) * | 2021-04-19 | 2022-10-27 | 中兴通讯股份有限公司 | Network selection method, terminal, and computer readable storage medium |
| CN114980234A (en) * | 2022-06-24 | 2022-08-30 | 中国联合网络通信集团有限公司 | Pilot frequency switching method, device and storage medium |
| CN114980234B (en) * | 2022-06-24 | 2024-02-06 | 中国联合网络通信集团有限公司 | Different frequency switching method, device and storage medium |
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