CN104703229A - Optimal switching method and optimal switching system - Google Patents
Optimal switching method and optimal switching system Download PDFInfo
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- CN104703229A CN104703229A CN201310664691.0A CN201310664691A CN104703229A CN 104703229 A CN104703229 A CN 104703229A CN 201310664691 A CN201310664691 A CN 201310664691A CN 104703229 A CN104703229 A CN 104703229A
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Abstract
The invention discloses an optimal switching method and an optimal switching system. The optimal switching method comprises the following steps of receiving reference signal intensity, which is measured by a terminal, of adjacent housing estates by using a base station; selecting a switchable housing estate according to the reference signal intensity of the adjacent housing estates to generate an objective switching housing estate list; remaining the housing estate with the maximum number of antennas in the objective switching housing estate list; updating the objective switching housing estate list; and switching one of housing estates in the updated objective switching housing estate list according to the original switching strategy. By the optimal switching method and the optimal switching system, the existing switching performance is not changed, network resources are utilized sufficiently, and the network performance is maximized.
Description
Technical field
The invention belongs to mobile communication technology field, especially relate to a kind of optimized switching method and system.
Background technology
In the lte networks, based on multiaerial system, down link is by adopting MIMO(multiple-input, multiple-output) technology, enhance the performance of network downstream link; In the uplink, by adopting reception diversity technology, uplink performance have also been obtained enhancing.
Owing to being subject to the restriction of terminal size, current down link adopts 2 antenna transmission techniques usually; In the uplink, because base station side does not exist the constraint of size, scheme ripe at present comprises 2 antennas receptions, 4 antennas receive and 8 antennas receive.Reception antenna quantity is more, and uplink performance is better.And in the network of actual deployment, under the impact of various factors, the base station of different antennae quantity in network, may be there is simultaneously, form the situation of 2 antennas, 4 antennas and 8 antenna multiple antennas mixed networking.
Whether existing changing method and strategy are all measure cell reference signals intensity based on terminal and fed back to base station, finally determined to switch by base station to occur.For existing handover operation, owing to being realize in base station equipment side, equipment vendors' switchover policy that may be different is different.Under multiple antennas mixed networking scene, changing method and strategy do not distinguish the antenna amount of Target cell.Therefore when there being multiple Target cell to meet switching condition, existing changing method and strategy cannot carry out optimum selection based on antenna amount, thus cannot peak optimizating network performance, affect user awareness and experience.
Summary of the invention
In view of more than, the present invention proposes a kind of optimized switching method and system.To solve at least one problem that prior art exists.
According to an aspect of the present invention, propose a kind of optimized switching method, comprising:
The neighbor cell reference signal strength that base station receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list;
In the list of target handover cell, retain the community that antenna amount is maximum, and upgrade target handover cell list;
By original switchover policy, a community in target handover cell list in the updated, is selected to perform switching.
Further, the target handover cell list after renewal is the subset of original target handover cell list.
Further, the target handover cell list after renewal only comprises the maximum target handover cell of antenna amount.
Further, the community that antenna amount is maximum has one at least.
According to a further aspect of the invention, also propose a kind of optimization switched system, comprise list generation unit, list update unit and switch unit, wherein:
List generation unit, the neighbor cell reference signal strength that receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list;
List update unit, retains the community that antenna amount is maximum in the list of target handover cell, and upgrades target handover cell list;
Switch unit, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.
Further, the target handover cell list after renewal is the subset of original target handover cell list.
Further, the target handover cell list after renewal only comprises the maximum target handover cell of antenna amount.
Further, the community that antenna amount is maximum has one at least.
Further, also comprise measuring unit and feedback unit, wherein:
Measuring unit, measures neighbor cell reference signal strength;
Feedback unit, sends to base station by neighbor cell reference signal strength.
Further, list generation unit, list update unit and switch unit are arranged on base station.
The present invention, for the multiaerial system in LTE network, in original changing method, preferentially judges target handover cell antenna amount, while not changing existing performance of handoffs, makes full use of Internet resources, maximization network performance.
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:
Figure 1 shows that the schematic flow sheet of a kind of optimized switching method in one embodiment of the invention.
Figure 2 shows that the schematic flow sheet of a kind of optimized switching method in another embodiment of the present invention.
Figure 3 shows that the simulation result schematic diagram of the embodiment of the present invention.
Figure 4 shows that a kind of structural representation optimizing switched system in one embodiment of the invention.This system comprises terminal and base station.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise the positioned opposite and numerical value of the parts of setting forth in these embodiments and step does not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
In multiaerial system, terminal is measured neighbor cell reference signal strength and is also fed back to base station, when base station find that there is multiple neighbor cell can switch time, the many community of prioritizing selection antenna amount is as target handover cell.
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Figure 1 shows that the schematic flow sheet of a kind of optimized switching method in one embodiment of the invention.The method comprises the following steps:
Step 11, the neighbor cell reference signal strength that base station receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list.
Step 12, retains the community that antenna amount is maximum in the list of target handover cell, and upgrades target handover cell list.
In one embodiment of the invention, the community that antenna amount is maximum has one at least.Base station can know which antenna in cell quantity is maximum, and can there be multiple different implementation in each producer.
In one embodiment of the invention, the target handover cell list after renewal is the subset of original target handover cell list.
In one embodiment of the invention, the maximum target handover cell of antenna amount is only comprised in target handover cell list in the updated.Give an example, comprise 6 communities based in the target handover cell list generated under existing switchover policy, wherein 2 antenna cells have 3, and 4 antenna cells have 1, and 8 antenna cells have 2; So, retain the community that antenna amount is maximum, the target handover cell list after renewal only has the community of 28 antennas.
Step 13, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.
Because the target handover cell list after upgrading is the subset of original list, follow-uply choose community according to original switchover policy completely and switch.According to original switchover policy, be bound to select a Target cell.
The present invention, for the multiaerial system in LTE network, proposes the optimized switching method of a kind of preferential judgement target handover cell antenna amount, gives full play to network capabilities, maximization network performance, promotes user awareness.
Below in conjunction with the drawings and specific embodiments, method flow of the present invention is described further.It will be understood by those skilled in the art that embodiment is here for citing, should not be construed as limitation of the present invention.
Figure 2 shows that the schematic flow sheet of a kind of optimized switching method in another embodiment of the present invention.The method comprises the following steps:
Step 21, terminal measures neighbor cell reference signal strength, i.e. RSRP, unit is dBm, and is fed back to base station, feeds back to base station by RSRP value.
Step 22, base station, based on the neighbor cell reference signal strength received, is selected the community that can be used for switching, is generated target handover cell list.
Step 23, base station retains the maximum community of antenna amount in the list of target handover cell, and upgrades target handover cell list.
The community that antenna amount is maximum may have multiple.Target handover cell list after renewal is the subset of original target handover cell list, only comprises the target handover cell that antenna amount is maximum.Give an example, comprise 6 communities based in the target handover cell list generated under existing switchover policy, wherein 2 antenna cells have 3, and 4 antenna cells have 1, and 8 antenna cells have 2; So, retain the community that antenna amount is maximum, the target handover cell list after renewal only has the community of 28 antennas.
Step 24, base station, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.
Because the target handover cell list after upgrading is the subset of original list, follow-uply choose community according to original switchover policy completely and switch.According to original switchover policy, be bound to select a Target cell.
Figure 3 shows that the simulation result schematic diagram of the embodiment of the present invention.
Figure 3 illustrates uplink cell average throughput and the edge customer throughput of different antennae quantity.Simulation result shows, switches to the community with more multiple antennas quantity, and user can obtain higher data rate.
The present invention in multi-antenna systems, in original changing method, preferentially judges target handover cell antenna amount, while not changing existing performance of handoffs, makes full use of Internet resources, maximization network performance, promotes user awareness.
Figure 4 shows that a kind of structural representation optimizing switched system in one embodiment of the invention.This system comprises terminal and base station.
Terminal measures neighbor cell reference signal strength, i.e. RSRP, unit is dBm, and is fed back to base station, feeds back to base station by RSRP value.
Terminal is once resident behind the some communities in LET system, and it is constantly measured the signal quality of current service cell and neighbor cell with regard to needing.When finding that the quality of Target cell meets the requirement of regulation, terminal can by cell reselection task from current service cell gravity treatment to the Target cell of better quality.In cell reselection, measure and only need the calculating carrying out reference signal strength.RSRP measurement is measured the Reference Signal Received Power in certain frequency band (i.e. several Resource Block), thus obtain the signal strength signal intensity of this community.RSRP is the linear averaging power asking the cell special reference of carrying in measuring frequency bandwidth.RSRP is the key parameter that can represent wireless signal strength in LTE network.
Base station, based on the neighbor cell reference signal strength received, is selected the community that can be used for switching, is generated target handover cell list.Base station retains the maximum community of antenna amount in the list of target handover cell, and upgrades target handover cell list.Base station, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.
Wherein, the community that antenna amount is maximum may have multiple.Target handover cell list after renewal is the subset of original target handover cell list, only comprises the target handover cell that antenna amount is maximum.Base station can know which antenna in cell quantity is maximum, and can there be multiple different implementation in each producer.Give an example, comprise 6 communities based in the target handover cell list generated under existing switchover policy, wherein 2 antenna cells have 3, and 4 antenna cells have 1, and 8 antenna cells have 2; So, retain the community that antenna amount is maximum, the target handover cell list after renewal only has the community of 28 antennas.
Below in conjunction with the drawings and specific embodiments, terminal and base station are described further respectively.
As shown in Figure 4, base station comprises list generation unit, list update unit and switch unit, wherein:
List generation unit, the neighbor cell reference signal strength that receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list.
List update unit, retains the community that antenna amount is maximum in the list of target handover cell, and upgrades target handover cell list.Wherein, the community that antenna amount is maximum has one at least.
Switch unit, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.In one embodiment, the target handover cell list after renewal is the subset of original target handover cell list.In one embodiment, the target handover cell list after renewal only comprises the maximum target handover cell of antenna amount.
As shown in Figure 4, terminal comprises measuring unit and feedback unit.Wherein:
Measuring unit, measure neighbor cell reference signal strength, i.e. RSRP, unit is dBm.
Feedback unit, sends to base station by neighbor cell reference signal strength.
Wherein, RSRP is the linear averaging power asking the cell special reference of carrying in measuring frequency bandwidth.RSRP is the key parameter that can represent wireless signal strength in LTE network.
The present invention, for the multiaerial system in LTE network, in original changing method, preferentially judges target handover cell antenna amount, while not changing existing performance of handoffs, makes full use of Internet resources, maximization network performance.
So far, the present invention is described in detail.In order to avoid covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
Method of the present invention and device may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method of the present invention and device.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Although be described in detail specific embodiments more of the present invention by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. an optimized switching method, is characterized in that:
The neighbor cell reference signal strength that base station receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list;
In the list of target handover cell, retain the community that antenna amount is maximum, and upgrade target handover cell list;
By original switchover policy, a community in target handover cell list in the updated, is selected to perform switching.
2. optimized switching method according to claim 1, is characterized in that:
Target handover cell list after renewal is the subset of original target handover cell list.
3. optimized switching method according to claim 1 or 2, is characterized in that:
Target handover cell list after renewal only comprises the maximum target handover cell of antenna amount.
4. optimized switching method according to claim 1, is characterized in that:
The community that antenna amount is maximum has one at least.
5. optimize a switched system, it is characterized in that, comprise list generation unit, list update unit and switch unit, wherein:
List generation unit, the neighbor cell reference signal strength that receiving terminal is measured, according to neighbor cell reference signal strength, selects the community that can be used for switching, generates target handover cell list;
List update unit, retains the community that antenna amount is maximum in the list of target handover cell, and upgrades target handover cell list;
Switch unit, by original switchover policy, selects a community to perform switching in target handover cell list in the updated.
6. optimize switched system according to claim 5, it is characterized in that:
Target handover cell list after renewal is the subset of original target handover cell list.
7. according to claim 5 or 6, optimize switched system, it is characterized in that:
Target handover cell list after renewal only comprises the maximum target handover cell of antenna amount.
8. optimize switched system according to claim 5, it is characterized in that:
The community that antenna amount is maximum has one at least.
9. according to claim 5 or 6, optimize switched system, it is characterized in that, also comprise measuring unit and feedback unit, wherein:
Measuring unit, measures neighbor cell reference signal strength;
Feedback unit, sends to base station by neighbor cell reference signal strength.
10. according to claim 5 or 6, optimize switched system, it is characterized in that:
List generation unit, list update unit and switch unit are arranged on base station.
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| CN201310664691.0A CN104703229B (en) | 2013-12-10 | 2013-12-10 | A kind of optimized switching method and system |
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| CN201310664691.0A CN104703229B (en) | 2013-12-10 | 2013-12-10 | A kind of optimized switching method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063066A (en) * | 2016-12-07 | 2019-07-26 | 思科技术公司 | Toning cell detection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610272A (en) * | 2003-10-22 | 2005-04-27 | 华为技术有限公司 | Blue teeth terminal switching over method between cells |
| CN1770908A (en) * | 2004-10-26 | 2006-05-10 | 大唐移动通信设备有限公司 | Method for increasing mobile station switching measurement accuracy and handoff control method |
| CN101631346A (en) * | 2009-06-05 | 2010-01-20 | 西安电子科技大学 | Region switching method based on signal intensity and load estimation |
| CN103346996A (en) * | 2013-07-19 | 2013-10-09 | 清华大学 | User cluster MIMO broadcast method based on superposition coding |
| CN103347293A (en) * | 2013-07-11 | 2013-10-09 | 北京大学 | Self-adaption energy-saving method for antennas in mobile communication base station system |
-
2013
- 2013-12-10 CN CN201310664691.0A patent/CN104703229B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610272A (en) * | 2003-10-22 | 2005-04-27 | 华为技术有限公司 | Blue teeth terminal switching over method between cells |
| CN1770908A (en) * | 2004-10-26 | 2006-05-10 | 大唐移动通信设备有限公司 | Method for increasing mobile station switching measurement accuracy and handoff control method |
| CN101631346A (en) * | 2009-06-05 | 2010-01-20 | 西安电子科技大学 | Region switching method based on signal intensity and load estimation |
| CN103347293A (en) * | 2013-07-11 | 2013-10-09 | 北京大学 | Self-adaption energy-saving method for antennas in mobile communication base station system |
| CN103346996A (en) * | 2013-07-19 | 2013-10-09 | 清华大学 | User cluster MIMO broadcast method based on superposition coding |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063066A (en) * | 2016-12-07 | 2019-07-26 | 思科技术公司 | Toning cell detection |
| CN110063066B (en) * | 2016-12-07 | 2022-09-02 | 思科技术公司 | Over-tuned cell detection |
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| CN104703229B (en) | 2019-02-19 |
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