CN107295527A - Co-channel interference protection band division methods, apparatus and system - Google Patents
Co-channel interference protection band division methods, apparatus and system Download PDFInfo
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- CN107295527A CN107295527A CN201610195729.8A CN201610195729A CN107295527A CN 107295527 A CN107295527 A CN 107295527A CN 201610195729 A CN201610195729 A CN 201610195729A CN 107295527 A CN107295527 A CN 107295527A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of co-channel interference protection band division methods, apparatus and system, it is related to wireless communication field.Method therein includes：Some base stations are divided into and backsets origin base station and non-backsets origin base station；Obtain the whole network terminal in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies signal measurement measurement result, wherein, it is described non-to backset origin base station and the signal of on-premise network and backsetted origin base station and backset network common frequency and with backsetting origin base station on-premise network alien frequencies；Backset the interference of alien frequencies in origin base station by described according to the statistical conditions of the whole network terminal measurements and be defined as the co-channel interference protection band base station that can not be backsetted more than the base station of predeterminable level.The co-channel interference protection band division methods for the different-frequency measure information realization that the present invention is reported based on the whole network terminal user, can accurately reflect the potential region of co-channel interference, when carrying out design of network topology structure during the network planning, evade problem of co-channel interference.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of co-channel interference protection band division methods,
Apparatus and system.
Background technology
Between recent two decades, mobile network's high speed development is average to be updated once per 5-10,
When mobile network is updated, operator will generally backset deployment two on same frequency spectrum resource
The network of individual standard, for example, dispose cdma network and LTE network simultaneously.And user and industry
The migration of business needs a transitional period, therefore operator would generally dispose in same frequency range subregion
The mobile network of different systems, but this can cause the same of networks with different systems between different zones
Frequency interference problem.The schematic diagram of co-channel interference is as shown in Figure 1.
If this interference problem can not be solved in network planning phase, it is likely that cause existing network user
A large amount of complaints, and cause the quality and capacity of New-deployed Network to be severely impacted, and in network
Operation stage is difficult to solve interference problem caused by network topology structure defect.
The content of the invention
A technical problem to be solved by this invention is：Different zones are entered in same frequency spectrum resource
When row wireless network is backsetted, the problem of co-channel interference of different systems wireless network between different zones.
According to an aspect of the invention, there is provided a kind of co-channel interference protection band division methods, its
It is characterised by, including：Some base stations are divided into and backsets origin base station and non-backsets origin base station；
The whole network terminal is obtained in the case where backsetting origin base station to the non-signal for backsetting origin base station on-premise network
The measurement result of alien frequencies signal measurement is carried out, wherein, it is non-to backset origin base station on-premise network
Signal backsets network common frequency and with backsetting origin base station on-premise network alien frequencies with backsetting origin base station；
Alien frequencies interference in origin base station will be backsetted according to the statistical conditions of the whole network terminal measurements to be more than in advance
If the base station of degree is defined as the co-channel interference protection band base station that can not be backsetted.
In one embodiment, some base stations are divided into and backset origin base station and non-backset region
Base station includes：Divided according to the frequency spectrum resource configuration information of base station and backset origin base station and non-heavy
Plough origin base station.
In one embodiment, the frequency spectrum resource configuration information of base station by network management system interface from
Network management system is obtained.
In one embodiment, region will be backsetted according to the statistical conditions of the whole network terminal measurements
Alien frequencies interference is more than the co-channel interference protection that the base station of predeterminable level is defined as backsetting in base station
Band base station includes：For backsetting each base station in origin base station, alien frequencies signal is counted respectively and is surveyed
The terminal quantity that result exceedes default alien frequencies signal strength threshold is measured, if the terminal quantity of statistics
Thresholding is born more than default interference, then the alien frequencies interference of the base station is more than predeterminable level, by this
Base station is defined as the co-channel interference protection band base station that can not be backsetted.
In one embodiment, door is born in default alien frequencies signal strength threshold and default interference
Limit is configured according to the acceptable annoyance level of network.
Device is divided there is provided a kind of co-channel interference protection band according to another aspect of the present invention,
It is characterised in that it includes：Base station division module, region is backsetted for some base stations to be divided into
Base station and non-backset origin base station；Measurement result acquisition module, for obtaining the whole network terminal in weight
Plough origin base station under to it is non-backset origin base station on-premise network signal carry out alien frequencies signal measurement
Measurement result, wherein, it is non-to backset origin base station and the signal of on-premise network and backsetted region base
Backset network common frequency and with backsetting origin base station on-premise network alien frequencies in station；Protection band base station is determined
Module, alien frequencies in origin base station will be backsetted for the statistical conditions according to the whole network terminal measurements
Interference is defined as the co-channel interference protection band base station that can not be backsetted more than the base station of predeterminable level.
In one embodiment, the base station division module is used to be matched somebody with somebody according to the frequency spectrum resource of base station
Confidence breath backsets origin base station and non-backsets origin base station to divide.
In one embodiment, the base station division module be additionally operable to by network management system interface from
Network management system obtains the frequency spectrum resource configuration information of base station.
In one embodiment, protection band base station determining module includes：Terminal quantity is counted
Unit, for for described each base station backsetted in origin base station, alien frequencies signal to be counted respectively
Measurement result exceedes the terminal quantity of default alien frequencies signal strength threshold；Protection band base station is determined
Unit, if the terminal quantity for counting exceedes default interference and bears thresholding, the base station
Alien frequencies interference is more than predeterminable level, the co-channel interference protection band that the base station is defined as backsetting
Base station.
In one embodiment, described device also includes：Thresholding setup module, for according to net
The acceptable annoyance level of network is held to the default alien frequencies signal strength threshold and default interference
It is configured by thresholding.
According to a further aspect of the invention there is provided a kind of co-channel interference protection band dividing system,
Co-channel interference protection band including foregoing individual embodiments divides device and terminal, wherein, eventually
Hold in the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out
Alien frequencies signal measurement, and report the co-channel interference protection band division device.
In one embodiment, the system also includes network management system, for being done to be described with frequency
Disturb protection band and divide the frequency spectrum resource configuration information that device provides base station.
The present invention proposes a kind of the same of different-frequency measure information realization reported based on the whole network terminal user
Frequency interference protection band division methods, can accurately reflect the potential region of co-channel interference, in network
When planning period carries out design of network topology structure, evade problem of co-channel interference, reduce to existing network
The influence of user and to the influence of the network quality and network capacity of backsetting New-deployed Network.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, the present invention
Further feature and its advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will
The required accompanying drawing used in embodiment or description of the prior art is briefly described, it is clear that
Ground, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of co-channel interference.
Fig. 2 shows the flow of one embodiment of co-channel interference protection band division methods of the present invention
Schematic diagram.
Fig. 3 shows to backset region and the non-schematic diagram for backsetting region.
Fig. 4 shows the stream of another embodiment of co-channel interference protection band division methods of the present invention
Journey schematic diagram.
Fig. 5 shows that co-channel interference protection band of the present invention divides the structure of one embodiment of device
Schematic diagram.
Fig. 6 shows the structure of one embodiment of co-channel interference protection band dividing system of the present invention
Schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only that a part of the invention is real
Apply example, rather than whole embodiments.Description below at least one exemplary embodiment is real
It is merely illustrative on border, never as to the present invention and its application or any limitation used.
Based on the embodiment in the present invention, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, the scope of protection of the invention is belonged to.
For different zones same frequency spectrum resource carry out wireless network backset when, different zones it
Between different systems wireless network problem of co-channel interference, propose the present invention.The present invention proposes a kind of
The co-channel interference protection band division side of the different-frequency measure information realization reported based on the whole network terminal user
Method, can accurately reflect the potential region of co-channel interference, and network is carried out during the network planning and is opened up
When flutterring structure design, evade problem of co-channel interference.
Fig. 2 shows the flow of one embodiment of co-channel interference protection band division methods of the present invention
Schematic diagram.As shown in Fig. 2 the method for the embodiment includes：
Step S202, some base stations are divided into and backsets origin base station and non-backsets origin base station.
It is so-called to backset origin base station, refer to be ready for backsetting for New-deployed Network on these base stations.
Backset region and the non-schematic diagram for backsetting region is as shown in Figure 3.
Step S204, obtains the whole network terminal and has backsetted origin base station to non-in the case where backsetting origin base station
The signal of on-premise network carries out the measurement result of alien frequencies signal measurement, wherein, it is non-to backset region base
The signal of on-premise network of standing backsets network common frequency and with backsetting origin base station with backsetting origin base station
On-premise network alien frequencies.
For example, backsetting origin base station deployed 2G/3G Web vector graphics f1 and f2 non-
Two frequency ranges.And only used f1 frequencies backsetting the deployed 2G/3G networks of origin base station
Section, f2 frequency ranges are the idle frequency range not utilized.Accordingly, it is considered to backset the f2 frequencies of origin base station
Duan Jinhang is backsetted, and disposes 4G networks.
If directly carrying out the deployment of 4G networks in the f2 frequency ranges for backsetting origin base station, area is backsetted
The user of domain base station f2 frequency ranges covering may be backsetted origin base station f2 frequency band networks letter by non-
Number co-channel interference, it is therefore desirable to the co-channel interference is predicted.According to the solution of the present invention,
The whole network terminal can backset region in the case where backsetting the overlay network of f1 frequency ranges of origin base station to non-
The alien frequencies signal of the f2 frequency ranges of base station is measured, and is reported, so as to get the whole network terminal use
The alien frequencies signal measurement result at family.
Step S206, according to the statistical conditions of the whole network terminal measurements, will backset origin base station
Middle alien frequencies interference is more than the co-channel interference protection tape base that the base station of predeterminable level is defined as backsetting
Stand.
For example, in the case where backsetting the overlay network of f1 frequency ranges of origin base station, detect and non-backset area
The alien frequencies signal intensity of the f2 frequency ranges of domain base station is more than default signal intensity, then this is backsetted into base
Station is defined as the co-channel interference protection band base station that can not be backsetted.The alien frequencies signal can be
RSRP (Reference Signal Receiving Power, Reference Signal Received Power),
RSRQ (Reference Signal Receiving Quality, Reference Signal Received Quality) etc.
Reference signal index.
The co-channel interference protection of the above-mentioned different-frequency measure information realization reported based on the whole network terminal user
Band division methods, can be with the potential region of Accurate Prediction co-channel interference, and divides co-channel interference guarantor
Protecting band.So that effectively evaded the co-channel interference of different systems wireless network between different zones,
The influence that brings of network quality to existing network during network is backsetted is evaded, has evaded pair
Backset the influence of the network quality and network capacity of New-deployed Network.
The co-channel interference protection band division methods of one embodiment of the invention are described with reference to Fig. 4.
Fig. 4 shows the stream of another embodiment of co-channel interference protection band division methods of the present invention
Journey schematic diagram.
As shown in figure 4, on the basis of the embodiment shown in Fig. 2, the step S202 of this method
S2022~S2024 can for example be included：
Step S2022, co-channel interference protection band divides device by network management system interface from webmaster
System obtains the frequency spectrum resource configuration information of base station.
Wherein, the frequency spectrum resource configuration information got for example can be, base station A in f1 and
2G/3G networks are deployed in f2 frequency ranges, base station B deploys 2G/3G networks in f1 frequency ranges.
But it is not limited to examples cited.
Step S2024, co-channel interference protection band divides device and configured according to the frequency spectrum resource of base station
Information backsets origin base station and non-backsets origin base station to divide.
For example, according to the frequency spectrum resource configuration information of above-mentioned base station, base station A can be divided into
It is non-to backset origin base station, base station B is divided into and backsets origin base station.
By the above method, realize to the non-division backsetted origin base station and backset origin base station,
So as to further determine that interference protection band base station in origin base station is backsetted.
As shown in figure 4, on the basis of the embodiment shown in Fig. 2, step S204 can for example be wrapped
Include S2041~S2047：
Step S2041, co-channel interference protection band divides device and sends different-frequency measure to network management system
Control information, completes the configuration of network management system different-frequency measure control.
Step S2042, network management system sends different-frequency measure control information to origin base station is backsetted,
Complete to backset the configuration process that origin base station different-frequency measure is controlled.
Step S2043, backsets origin base station and sends different-frequency measure control to its whole network terminal covered
Information processed, completes the configuration process of the whole network terminal different frequency measurement control.
Step S2044, the configuring condition that the whole network terminal is controlled according to different-frequency measure carries out alien frequencies letter
Number measurement.
Step S2045, the whole network terminal reports different-frequency measure to believe to the origin base station of backsetting belonging to it
Breath.
Step S2046, backsets origin base station and reports different-frequency measure information to network management system.
Step S2047, co-channel interference protection band divides device and obtains above-mentioned alien frequencies from network management system
Metrical information.
By the above method, the whole network terminal can be obtained and backset area to non-in the case where backsetting origin base station
The signal of domain base station on-premise network carries out the measurement result of alien frequencies signal measurement, and it is follow-up right to be easy to
Different-frequency measure result is handled, so that more accurate to entering there may be co-channel interference base station
Row, which is divided, to be determined.
In a preferred embodiment, step S206 can for example include S2062~S2064：
Step S2062, for described each base station backsetted in origin base station, co-channel interference is protected
Protecting band divides device and counts alien frequencies signal measurement result respectively more than default alien frequencies signal intensity door
The terminal quantity of limit.
For example, backsetting base station B for backset region, statistics obtains alien frequencies signal measurement result
Terminal quantity more than default alien frequencies signal strength threshold accounts for base station B and covers user's total amount
50%.
Step S2064, should if the terminal quantity of statistics exceedes default interference and bears thresholding
The alien frequencies interference of base station is more than predeterminable level, and co-channel interference protection band divides device, and the base station is true
It is set to the co-channel interference protection band base station that can not be backsetted.
For example, the above-mentioned alien frequencies interference for backsetting base station B bears thresholding for 30%, then base station B
Alien frequencies interference be more than predeterminable level, base station B is defined as into the co-channel interference that can not backset protects
Band base station.
Optionally, default alien frequencies signal strength threshold and default interference bear thresholding according to net
The acceptable annoyance level of network is configured, and then is subjected to annoyance level according to different networks
Thresholding is born in the different alien frequencies signal strength threshold interference of setting, is realized to the flexible of the situation of backsetting
Regulation.
Device is divided with reference to Fig. 5 co-channel interference protection bands for describing one embodiment of the invention.
Fig. 5 shows that co-channel interference protection band of the present invention divides the structure of one embodiment of device
Schematic diagram.Include as shown in figure 5, the co-channel interference protection band of the embodiment divides device 50：
Base station division module 502, origin base station is backsetted and non-heavy for some base stations to be divided into
Plough origin base station.
Measurement result acquisition module 504, for obtain the whole network terminal in the case where backsetting origin base station it is right
It is non-backset origin base station on-premise network signal carry out alien frequencies signal measurement measurement result, its
In, it is described non-to backset origin base station and the signal of on-premise network and backsetted origin base station and backset network
With frequency and with backsetting origin base station on-premise network alien frequencies.
Protection band base station determining module 506, for the statistics feelings according to the whole network terminal measurements
Condition by it is described backset that the interference of alien frequencies in origin base station is defined as more than the base station of predeterminable level can not
The co-channel interference protection band base station backsetted.
Wherein, base station division module 502 is used to be drawn according to the frequency spectrum resource configuration information of base station
Point backset origin base station and non-backset origin base station.
Wherein, base station division module 502 is additionally operable to obtain from network management system by network management system interface
Take the frequency spectrum resource configuration information of base station.
Wherein, protection band base station determining module 506 is included with lower unit：
Terminal quantity statistic unit, for for described each base station backsetted in origin base station,
Statistics alien frequencies signal measurement result exceedes the terminal quantity of default alien frequencies signal strength threshold respectively；
Protection band base station determining unit, if the terminal quantity for counting exceedes default interference and held
By thresholding, then the alien frequencies interference of the base station is more than predeterminable level, the base station is defined as to weigh
Cultivated co-channel interference protection band base station.
Co-channel interference protection band, which divides device 50, to be included：Thresholding setup module, for root
According to the acceptable annoyance level of network to the default alien frequencies signal strength threshold and default dry
Disturb and bear thresholding and be configured.
The co-channel interference protection band dividing system of one embodiment of the invention is described with reference to Fig. 6.
Fig. 6 shows that the structure of one embodiment of co-channel interference protection band dividing system of the present invention is shown
It is intended to.As shown in fig. 6, the co-channel interference protection band dividing system 60 of the embodiment includes：On
The co-channel interference protection band stated divides device 50 and terminal 62, wherein, terminal 62 is used for
In the case where backsetting origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies signal
Measurement, and report the co-channel interference protection band division device 50.
Co-channel interference protection band dividing system 60 also includes network management system 64, for disturb frequently
Protection band divides the frequency spectrum resource configuration information that device 50 provides base station.
The workflow of each module, referring to previous embodiment part, is concise rise in above example
See and will not be repeated here.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can
To be completed by hardware, the hardware of correlation can also be instructed to complete by program, described journey
Sequence can be stored in a kind of computer-readable recording medium, and storage medium mentioned above can be
Read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all at this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is contained within protection scope of the present invention.
Claims (12)
1. a kind of co-channel interference protection band division methods, it is characterised in that including：
Some base stations are divided into and backsets origin base station and non-backsets origin base station；
Obtain the whole network terminal and backset origin base station on-premise network to non-in the case where backsetting origin base station
Signal carries out the measurement result of alien frequencies signal measurement, wherein, it is described non-to backset origin base station portion
The signal for affixing one's name to network is backsetted network common frequency with backsetting origin base station and disposed with backsetting origin base station
Network alien frequencies；
Backset alien frequencies in origin base station by described according to the statistical conditions of the whole network terminal measurements and do
The base station disturbed more than predeterminable level is defined as the co-channel interference protection band base station that can not be backsetted.
2. according to the method described in claim 1, it is characterised in that described to draw some base stations
It is divided into and backsets origin base station and non-origin base station of backsetting and include：
Divided according to the frequency spectrum resource configuration information of base station and backset origin base station and non-backset region
Base station.
3. method according to claim 2, it is characterised in that wherein, the base station
Frequency spectrum resource configuration information is obtained by network management system interface from network management system.
4. according to the method described in claim 1, it is characterised in that described according to the whole network terminal
The statistical conditions of measurement result backset the interference of alien frequencies in origin base station more than predeterminable level by described
The co-channel interference protection band base station that base station is defined as backsetting includes：
For described each base station backsetted in origin base station, alien frequencies signal measurement knot is counted respectively
Fruit exceedes the terminal quantity of default alien frequencies signal strength threshold, if the terminal quantity of statistics exceedes
Thresholding is born in default interference, then the alien frequencies interference of the base station is more than predeterminable level, by the base station
It is defined as the co-channel interference protection band base station that can not be backsetted.
5. method according to claim 4, it is characterised in that wherein, described default
Alien frequencies signal strength threshold and default interference bear thresholding according to the acceptable annoyance level of network
It is configured.
6. a kind of co-channel interference protection band divides device, it is characterised in that including：
Base station division module, backsets origin base station and non-backsets area for some base stations to be divided into
Domain base station；
Measurement result acquisition module, for obtaining the whole network terminal in the case where backsetting origin base station to non-heavy
Cultivated origin base station on-premise network signal carry out alien frequencies signal measurement measurement result, wherein,
It is described non-to backset origin base station and the signal of on-premise network and backsetted origin base station and backset network common frequency
And with backsetting origin base station on-premise network alien frequencies；
Protection band base station determining module, for being incited somebody to action according to the statistical conditions of the whole network terminal measurements
It is described to backset the interference of alien frequencies in origin base station and be defined as what be backsetted more than the base station of predeterminable level
Co-channel interference protection band base station.
7. device according to claim 6, it is characterised in that the base station division module
Divided for the frequency spectrum resource configuration information according to base station and backset origin base station and non-backset region
Base station.
8. device according to claim 7, it is characterised in that the base station division module
It is additionally operable to obtain the frequency spectrum resource configuration information of base station from network management system by network management system interface.
9. device according to claim 6, it is characterised in that the protection band base station is true
Cover half block includes：
Terminal quantity statistic unit, for for described each base station backsetted in origin base station,
Statistics alien frequencies signal measurement result exceedes the terminal quantity of default alien frequencies signal strength threshold respectively；
Protection band base station determining unit, if the terminal quantity for counting exceedes default interference and held
By thresholding, then the alien frequencies interference of the base station is more than predeterminable level, the base station is defined as to weigh
Cultivated co-channel interference protection band base station.
10. device according to claim 9, it is characterised in that also include：
Thresholding setup module, for according to the acceptable annoyance level of network to described default different
Frequency signal strength threshold and default interference are born thresholding and are configured.
11. a kind of co-channel interference protection band dividing system, including as claim 6-10 is any
Co-channel interference protection band described in divides device and terminal, wherein, the terminal is used for
Backset under origin base station to it is non-backset origin base station on-premise network signal carry out alien frequencies signal
Measurement, and report the co-channel interference protection band division device.
12. system as claimed in claim 11, it is characterised in that also including network management system,
For dividing the frequency spectrum resource configuration information that device provides base station for the co-channel interference protection band.
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| CN112738896A (en) * | 2020-12-25 | 2021-04-30 | 哈尔滨海能达科技有限公司 | Internet of things data transmission method, base station controller and digital simulcasting system |
| CN114339802A (en) * | 2020-09-28 | 2022-04-12 | 中国移动通信集团河北有限公司 | Capacity evaluation-based frequency cancellation method and device and computing equipment |
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