CN103874073B - A kind of carrier selecting method of communication system, base station and terminal device - Google Patents
A kind of carrier selecting method of communication system, base station and terminal device Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of carrier selecting method of communication system, base station and terminal device, is related to moving communicating field, can realize that the coordination of frequency between multi-standard Multi-Carrier basestation is used.Its method is：Base station obtains the facility information of all terminal devices in the base station information and signal cover of all adjacent base stations first, then measurement counts the disturbed condition of uplink downlink and filters out candidate carrier, and finally candidate carrier is allocated according to specific Resource Allocation Formula.The embodiment of the present invention is used for the coordination of frequency between multi-standard Multi-Carrier basestation.
Description
Technical field
The present invention relates to moving communicating field, more particularly to a kind of carrier selecting method of communication system, base station and terminal
Equipment.
Background technology
LTE（Long Term Evolution, Long Term Evolution）System can be divided into FDD- according to physical layer transmission mode
LTE（Frequency Device Duplexing LTE, frequency division multiplexing LTE）System and TDD-LTE（Time Device
Duplexing LTE, be time-multiplexed LTE）System, with the development of the communication technology, the base station equipment of wireless communication system is to more
The direction evolution of mould base station.
For the multi-carrier communications systems of traditional single standard, the carrier wave selection between base station mainly passes through inter-base station interface
（Such as X2 interface）Know the carrier wave configuration of adjacent base station, by way of terminal measurement report or base station are actively measured, carried
The information such as wave frequency rate, bandwidth information, base station transmitting power, carrier-in-interference situation, then judge carrier wave according to certain decision condition
Whether it is optimal selection.
And solution simply is proposed to the carrier wave selection in the multi-carrier communications systems of identical standard in the prior art,
The carrier wave select permeability in the communication system of multi-standard multicarrier can not be solved, for being disposed based on multi-standard Multi-Carrier basestation
Communication system, it is impossible to give full play to performance of network equipments, cause the waste of resource.
The content of the invention
Embodiments of the invention provide a kind of carrier selecting method of communication system, base station and terminal device, can realize
The coordination of frequency is used between multi-standard Multi-Carrier basestation, solves carrier wave select permeability in the communication system of multi-standard multicarrier, real
Existing the optimal of the network equipment is used.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
On the one hand there is provided a kind of carrier selecting method of communication system, methods described includes：
Network environment information is obtained, the network environment information includes base station information and the signal covering of all adjacent base stations
In the range of all terminal devices facility information；
Uplink interference carrier wave is determined by default uplink interference measurement strategies, and it is true by presetting descending interferometry strategy
Determine the corresponding descending interfering carrier of each terminal device；
It is corresponding described descending dry according to the network environment information and the uplink interference carrier wave, each terminal device
Carrier wave is disturbed, available standards standard and the candidate carrier set of each terminal device is determined；
Resource Allocation Formula is determined according to the network environment information and the candidate carrier set.
Second aspect includes there is provided a kind of carrier selecting method of communication system, methods described：
After the capacity of equipment solicited message that base station is issued is received, facility information, the equipment are sent to the base station
Information includes the communication standard and carrier wave supported；
After the disturbed test message that the base station is issued is received, the average interference work(in each available carrier wave is counted respectively
Rate, carries out quantification treatment, and send to the base station to each average interference power of acquisition.
The third aspect includes there is provided a kind of base station, the base station：
Acquiring unit, for obtaining network environment information, the network environment information includes the base station of all adjacent base stations
The facility information of all terminal devices in information and signal cover；
Determining unit is disturbed, for determining uplink interference carrier wave by default uplink interference measurement strategies, and by default
Descending interferometry strategy determines the corresponding descending interfering carrier of each terminal device；
Carrier wave selecting unit, for being set according to the network environment information with the uplink interference carrier wave, each terminal
The standby corresponding descending interfering carrier, determines available standards standard and the candidate carrier set of each terminal device；
Resource allocation unit, for determining resource allocation side according to the network environment information and the candidate carrier set
Case.
Fourth aspect includes there is provided a kind of terminal device, the terminal device：
Feedback unit is asked, for after the capacity of equipment solicited message that base station is issued is received, being sent to the base station
Facility information, the facility information includes the communication standard and carrier wave supported；
Disturbed test feedback unit, for after the disturbed test message that the base station is issued is received, counting respectively each
Average interference power in available carrier wave, carries out quantification treatment, and send to described to each average interference power of acquisition
Base station.
The embodiment of the present invention provides a kind of carrier selecting method of communication system, base station and terminal device, and base station first is obtained
The facility information of all terminal devices in the base station information and signal cover of all adjacent base stations is taken, is then measured statistically
The disturbed condition of downlink simultaneously filters out candidate carrier, and finally candidate carrier is divided according to specific Resource Allocation Formula
Match somebody with somebody, can realize that the coordination of frequency between multi-standard Multi-Carrier basestation is used.
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 be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet one of the carrier selecting method of communication system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet two of the carrier selecting method of communication system provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet three of the carrier selecting method of communication system provided in an embodiment of the present invention；
Fig. 4 is a kind of communication scenes schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of base station provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of terminal device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of carrier selecting method of communication system, based on base station side, as shown in figure 1, the party
Method includes：
S101, acquisition network environment information, the base station information and signal that network environment information includes all adjacent base stations cover
The facility information of all terminal devices in the range of lid.
S102, uplink interference carrier wave is determined by default uplink interference measurement strategies, and pass through and preset descending interferometry
Strategy determines the corresponding descending interfering carrier of each terminal device.
S103, according to the corresponding descending interfering carrier of network environment information and uplink interference carrier wave, each terminal device, it is determined that
The available standards standard of each terminal device and candidate carrier set；
S104, Resource Allocation Formula determined according to network environment information and candidate carrier set.
The embodiment of the present invention provides a kind of carrier selecting method of communication system, based on terminal equipment side, as shown in Fig. 2
This method includes：
S201, after the capacity of equipment solicited message that base station is issued is received, to base station send facility information, facility information
Communication standard and carrier wave including support；
S202, after the disturbed test message that base station is issued is received, the average interference in each available carrier wave is counted respectively
Power, carries out quantification treatment, and send to base station to each average interference power of acquisition.
The embodiment of the present invention provides a kind of carrier selecting method of communication system, and base station first obtains all adjacent base stations
The interference feelings of the facility information of base station information and all terminal devices in signal cover, then measurement statistics uplink downlink
Condition simultaneously filters out candidate carrier, and finally candidate carrier is allocated according to specific Resource Allocation Formula, can realize many systems
The coordination of frequency is used between formula Multi-Carrier basestation.
In order that those skilled in the art can be more clearly understood that technical scheme provided in an embodiment of the present invention, lead to below
Specific embodiment is crossed, the carrier selecting method of another communication system provided in an embodiment of the present invention is described in detail,
As shown in figure 3, this method includes：
S301, multi-standard Multi-Carrier basestation obtain the base station information of adjacent base station.
Specifically, under multi-standard Multi-Carrier basestation scene, multi-standard Multi-Carrier basestation passes through inter-base station interface or net
Guard system knows the base station information of adjacent base station；
Wherein, multi-standard Multi-Carrier basestation is the communication base at least supporting more than one communication standards, more than one carrier waves
Stand；
Base station information includes each adjacent base station communication standard supported and the working frequency points information configured, carrier information
Deng, and the content of the above-mentioned base station information enumerated is exemplary only, includes but is not limited to this.
Exemplary, as shown in figure 4, by taking the carrier wave selection of TDD-LTE and FDD-LTE double-standard Multi-Carrier basestations as an example,
The double-standard Multi-Carrier basestation can obtain adjacent TDD- by the interface between base station, such as S1 interfaces, X2 interface, or network management system
Communication standard that LTE base station or FDD-LTE base stations are supported, the working frequency points configured and used carrier information；
Assuming that multiple carrier informations that the TDD-LTE base stations are used are { F1, F2, F3, F4 }, the FDD-LTE base stations are used
Multiple carrier waves be { f1, f2, f3, f4 }；Then the double-standard Multi-Carrier basestation can pass through the interface or network management system between base station
Obtain { F1, F2, F3, F4 } and { f1, f2, f3, f4 } two groups of carrier informations.
S302, multi-standard Multi-Carrier basestation obtain the facility information of all terminal devices in signal cover.
Specifically, each terminal device of the multi-standard Multi-Carrier basestation into signal cover sends capacity of equipment request letter
Breath, each terminal device is received after the capacity of equipment solicited message, and respective set is sent to multi-standard Multi-Carrier basestation feedback
Standby information；
Wherein, terminal device can be the single-mode terminal equipment for supporting TDD-LTE or FDD-LTE communication standards, can also
To support the multi-mode terminal equipment of TDD-LTE and FDD-LTE communication standards simultaneously, to the particular type of terminal device, herein not
Limit；
Facility information includes communication standard, the carrier wave that each terminal device is each supported, can also include carrier aggregation branch
The end messages such as ability, working frequency points, bandwidth are held, and the content of the above-mentioned facility information enumerated is exemplary only, including but
Not limited to this.
Exemplary, as shown in figure 4, in the signal cover of TDD-LTE and FDD-LTE double-standard Multi-Carrier basestations
The terminal device searched is dual-mode terminal 1, dual-mode terminal 2, TDD-LTE terminals 1 and FDD-LTE terminals 1, double-standard multicarrier
Each terminal device of the base station into above-mentioned signal cover sends capacity of equipment solicited message, and above-mentioned terminal device is being received
After the capacity of equipment solicited message respective facility information is sent to the double-standard base station feedback；For example TDD-LTE terminals 1 are received
Can be to the facility information of double-standard Multi-Carrier basestation transmission after being asked to the capacity of equipment：Single mode, support TDD-LTE systems
Formula, it is { F1, F2, F3, F4 } to support carrier wave.
S303, multi-standard Multi-Carrier basestation determine uplink interference carrier wave.
Specifically, multi-standard Multi-Carrier basestation is in default carrier frequency point and default working frequency range, in each available carrier wave
The interference of the service user from each adjacent base station is received, statistics is measured, the letter such as average interference power of the interference is obtained
Breath, and measure the available signal power obtained in each available carrier wave.The average interference power of each available carrier wave is being obtained with having
After signal power, the available signal power in each available carrier wave and the difference of average interference power are asked for, will the wherein difference
The carrier wave that value is less than the first power threshold is chosen to be uplink interference carrier wave.
Wherein, presetting carrier frequency point and default working frequency range can belong to for the default settings of the multi-standard Multi-Carrier basestation
Property, or external input setting, do not limit herein；Useful signal is for needed for the business transmitted between base station and terminal device
The signal of the communication information, including the downlink data signal that sends to terminal device of multi-standard Multi-Carrier basestation and terminal device are to more
The upstream data. signals that standard Multi-Carrier basestation is sent, available signal power can sent or received by multi-standard Multi-Carrier basestation
When detection obtain；First power threshold can be base station default settings, or external input setting value, not limit herein
It is fixed.
Exemplary, as shown in figure 4, TDD-LTE and FDD-LTE double-standards Multi-Carrier basestation, which is received, comes from adjacent TDD-
The service user of LTE base station, such as TDD-LTE terminals 2 and the service user from adjacent base station FDD-LTE base stations, such as FDD-LTE
The interference signal of terminal 2, and statistics is measured, calculate the average interference power for obtaining interference signal in any available carrier wave.
Further, according to the average interference power of each available carrier wave of acquisition, uplink interference carrier wave is determined.
In this example, it is assumed that uplink interference carrier wave be by adjacent TDD-LTE base stations determine carrier wave F3 with passing through
The carrier wave f2 that adjacent FDD-LTE base stations are determined.
S304, multi-standard Multi-Carrier basestation determine the corresponding descending interfering carrier of each terminal device.
Specifically, each terminal device that multi-standard Multi-Carrier basestation can have been accessed into signal cover issue it is descending
Disturbed test message, each terminal device accessed after descending disturbed test message is received, respectively statistical measurement its each
Average interference power and available signal power in available carrier wave, and to average interference power and useful signal that each is obtained
Power carries out quantification treatment generating quantification information, and quantitative information feedback finally is sent into the multi-standard Multi-Carrier basestation.It is many
Standard Multi-Carrier basestation is obtaining each terminal device in each available carrier wave after corresponding each average interference power, asks for each
The difference of available signal power and average interference power of the terminal device in each available carrier wave, wherein the difference will be less than second
The carrier wave of power threshold selectes the corresponding descending interfering carrier of the terminal device.
Wherein, multi-standard Multi-Carrier basestation, which issues descending disturbed test message, can include the load of whole or specific collection
The working frequency points and bandwidth of ripple, for the carrier wave object for indicating to measure to each terminal device；Second power threshold can
Think base station default settings, or external input setting value, do not limit herein.
It is exemplary, as shown in figure 4, TDD-LTE and FDD-LTE double-standard Multi-Carrier basestations into signal cover
Terminal device dual-mode terminal 1, dual-mode terminal 2, TDD-LTE terminals 1 and FDD-LTE terminals 1 through access send descending interference and surveyed
Try message, you can so that { f1, f2, f3, f4 } and/or { F1, F2, F3, F4 } is sent into above-mentioned terminal device, then above-mentioned terminal
Equipment calculates and quantifies its average interference power respectively on above-mentioned each carrier wave, finally believes the quantization of the average interference power
Breath is sent to TDD-LTE and FDD-LTE double-standard Multi-Carrier basestations.
Further, the double-standard Multi-Carrier basestation is obtaining the corresponding one group of average interference work(of each terminal device
Rate, the i.e. terminal device are distinguished on multiple different carrier waves after the average interference power that statistic quantification is obtained, and ask for the terminal and set
The difference of standby available signal power and average interference power in each available carrier wave, wherein difference will be less than the second power threshold
Carrier wave, be defined as the corresponding descending interfering carrier of the terminal device.
In this example, it is assumed that the corresponding descending interfering carrier of dual-mode terminal 1 be F1 with f3, dual-mode terminal 2 without corresponding
Descending interfering carrier, the corresponding descending interfering carrier of TDD-LTE terminals 1 be the corresponding descending interference of F1, FDD-LTE terminal 1
Carrier wave is f1 and f3
S305, multi-standard Multi-Carrier basestation determine the available standards standard and corresponding candidate carrier collection of each terminal device
Close.
Specifically, if terminal device is single-mode terminal, standard system is default first standard or preset in the second standard
It is any；If terminal device is multimode terminal, standard system is default first standard and presets totally two kinds of the second standard, then
Concurrent function whether is supported to further determine that corresponding candidate carrier set according to terminal device.
Wherein, in the present embodiment, it can be TDD-LTE standards to preset the first standard, and default second standard can be
Reference relation in FDD-LTE standards, concrete application, is not limited herein.
It is exemplary, as shown in figure 4, TDD-LTE and FDD-LTE double-standards Multi-Carrier basestation according to network environment information with
The corresponding descending interfering carrier of above-mentioned uplink interference carrier wave, each terminal device, first determines the available standards standard of each terminal device,
Support standard, and it is corresponding support carrier set, as shown in table 1：
Table 1
TDD-LTE terminals 1 only support TDD-LTE standards, and its carrier set supported is { F1, F2, F3, F4 }；And FDD-
LTE terminal 1 only supports FDD-LTE standards, and its carrier set supported is { f1, f2, f3, f4 }；Dual-mode terminal 1 does not support TDD-
LTE and FDD-LTE simultaneously and concurrently function, then its carrier set supported for TDD carrier waves={ F1, F2, F3, F4 } or FDD carrier waves=
{f1,f2,f3,f4}；Dual-mode terminal 2 supports TDD-LTE and FDD-LTE simultaneously and concurrently functions, then its carrier set supported is
TDD carrier waves={ F1, F2, F3, F4 } and FDD carrier waves={ f1, f2, f3, f4 }；
Further, in the carrier set that each terminal device correspondence is supported, above-mentioned uplink interference carrier wave, each terminal is excluded and is set
Standby corresponding descending interfering carrier, so as to obtain the available standard system of each terminal device and corresponding candidate carrier set, such as
Shown in table 2：
Table 2
S306, multi-standard Multi-Carrier basestation determine available Resource Allocation Formula and carry out scheduling of resource.
Exemplary, as TDD-LTE and FDD-LTE double-standards Multi-Carrier basestation in Fig. 4 is preferential according to accessing user's business
Level, portfolio, candidate carrier set, band interference situation, determine carrier wave and corresponding resource allocation that each terminal device uses
Scheme.
In this example, it is assumed that each terminal device corresponding informance is as shown in table 3：
Wherein, customer service priority is to divide different communication service in corresponding table according to the grade of service recorded in base station
What the height of the type of service correspondence grade of service was determined, and it can be base that the grade of service, which divides the corresponding relation indicated in corresponding table,
Default settings in system of standing, or external input setting, are not limited herein.
For the ease of representing, portfolio converts the resource block needed for user according to user's average channel quality
（Resource Block, RB）Quantity；Available band information is the candidate carrier set after above-mentioned steps are screened；Frequency band
Interference is TDD-LTE and FDD-LTE double-standards Multi-Carrier basestation measurement frequency band uplink interference power value, up according to terminal device
Signal quality, is determined up by more strongly disturbing frequency band.
Table 3
Further, multi-standard Multi-Carrier basestation carries out scheduling of resource to each terminal device to be realized by the following method.
Scheduling of resource is carried out according to priority judgment criterion；Wherein, priority judgment criterion is included with each terminal device
Service priority is ranked up from high to low, is followed successively by corresponding terminal device and is carried out scheduling of resource, i.e., be at first priority most
The corresponding terminal device of high business carries out scheduling of resource, is finally provided for the corresponding terminal device of the minimum business of priority
Dispatch in source；
Scheduling of resource is carried out according to bandwidth demand criterion；Wherein, bandwidth demand includes the service that operator contracts with user
Speed and the ratio of the average transmission rate of the unit bandwidth of eating dishes without rice or wine of channel used in the service；Bandwidth demand criterion is included according to band
Wide demand, is that the maximum terminal device of bandwidth demand distributes most bandwidth resources, is bandwidth demand minimum terminal device point
With minimum bandwidth resources；
Scheduling of resource is carried out according to carrier wave distribution principle, carrier wave distribution principle includes carrier-in-interference minimum principle, carrier wave and believed
Using priciple in road optimal quality principle and carrier set；
Wherein, if carrier-in-interference minimum principle includes terminal device, any upstream or downstream in candidate carrier set are carried
The jamming power of ripple is minimum, then distributes the carrier wave for terminal device；If carrier channel optimal quality principle exists including terminal device
The average signal-to-noise ratio highest in any upstream or downstream carrier channel in candidate carrier set, then distribute the load for terminal device
Using priciple is included the scheduling of at least two terminal devices on same carrier wave in ripple, carrier set.
Exemplary, the terminal device in such as Fig. 4 sorts according to the service priority in table 3, determines TDD-LTE terminals 1
With the highest priority of dual-mode terminal 1, the priority of dual-mode terminal 2 is medium, and the priority of FDD-LTE terminals 1 is minimum.
When multi-standard Multi-Carrier basestation is that each terminal device distributes band resource, original is concentrated use in referring also to subcarrier
Then, therefore TDD-LTE terminals 1 and dual-mode terminal 1 can use TDD-LTE carrier waves { F2, F4 }, and dual-mode terminal 2 can make
With TDD carrier waves={ F1, F2, F4 } and FDD carrier waves={ f1, f3, f4 }, FDD-LTE terminals 1 can only use FDD carrier waves={ f4 },
Therefore, dual-mode terminal 2 and FDD-LTE terminals 1 use carrier wave { f4 }.
If respective change or adjacent occurs for above-mentioned service priority, business demand amount etc. in the communication process of terminal device
Base station indicates to change and needed again to carrier resource by the band interference that inter-base station interface or network management system are sent
When being scheduled, then step S301 to S306 can be performed successively carrier resource is redistributed.
The embodiment of the present invention provides a kind of carrier selecting method of communication system, and base station first obtains all adjacent base stations
The interference feelings of the facility information of base station information and all terminal devices in signal cover, then measurement statistics uplink downlink
Condition simultaneously filters out candidate carrier, and finally candidate carrier is allocated according to specific Resource Allocation Formula, can realize many systems
The coordination of frequency is used between formula Multi-Carrier basestation.
The embodiment of the present invention provides a kind of base station 01, as shown in figure 5, the base station 01 includes：
Acquiring unit 011, for obtaining network environment information, the base station that network environment information includes all adjacent base stations is believed
The facility information of all terminal devices in breath and signal cover；
Determining unit 012 is disturbed, for determining uplink interference carrier wave by default uplink interference measurement strategies, and by pre-
Set row interferometry strategy and determine the corresponding descending interfering carrier of each terminal device；
Carrier wave selecting unit 013, for according to network environment information it is corresponding with uplink interference carrier wave, each terminal device under
Row interfering carrier, determines available standards standard and the candidate carrier set of each terminal device；
Resource allocation unit 014, for determining Resource Allocation Formula according to network environment information and candidate carrier set.
Further, acquiring unit 011 specifically for：
The base station information of each adjacent base station is obtained by base-station interface or network management system, base station information includes each adjacent base station
The communication standard supported and the working frequency points information configured, carrier information；
Each terminal device into signal cover sends capacity of equipment solicited message, and receives each terminal device feedback
Facility information, facility information includes each terminal device communication standard and carrier wave supported.
Further, interference determining unit 012 specifically for：
In default carrier frequency point and default working frequency range, receive, measure from each adjacent base station and count each available carrier wave
On average interference power and available signal power, and wherein available signal power and average interference power difference will be less than first
The carrier wave of power threshold is chosen to be uplink interference carrier wave.
Further, interference determining unit 012 also particularly useful for：
Each terminal device accessed into signal cover issues descending disturbed test information, and receives each end
Average interference power and available signal power in the different available carrier waves of end equipment feedback, will wherein available signal power with it is flat
The carrier wave that equal jamming power difference is less than the second power threshold is chosen to be the corresponding descending interfering carrier of terminal device.
Further, carrier wave selecting unit 013 specifically for：
If terminal device is single-mode terminal, standard system is any in default first standard or default second standard
Kind, candidate carrier collection is combined into default first standard or the corresponding carrier set of default second standard and removes uplink interference carrier wave and end
The set of carrier wave beyond the corresponding descending interfering carrier of end equipment；
If terminal device is multimode terminal and does not support multi-standard concurrent function, standard system be default first standard and
Default totally two kinds of second standard, candidate carrier collection is combined into default first standard or the corresponding carrier set of default second standard and removed
The set of carrier wave beyond uplink interference carrier wave and the corresponding descending interfering carrier of terminal device；
If terminal device is multimode terminal and supports multi-standard concurrent function, standard system is default first standard and pre-
If totally two kinds of the second standard, candidate carrier collection is combined into default first standard all carrier sets corresponding with default second standard
The set of carrier wave in addition to uplink interference carrier wave and the corresponding descending interfering carrier of terminal device.
Further, resource allocation unit 014 specifically for：
Scheduling of resource is carried out according to priority judgment criterion, priority judgment criterion includes excellent with the business of each terminal device
First level is ranked up from high to low, is followed successively by corresponding terminal device and is carried out scheduling of resource；
According to bandwidth demand criterion carry out scheduling of resource, bandwidth demand criterion include with the bandwidth demand of each terminal device from
It is high to Low to be ranked up, it is corresponding in turn to and distributes most bandwidth resources for the maximum terminal device of bandwidth demand, is bandwidth demand
Minimum terminal device distributes minimum bandwidth resources；
Scheduling of resource is carried out according to carrier wave distribution principle, carrier wave distribution principle includes carrier-in-interference minimum principle, carrier wave and believed
Using priciple in road optimal quality principle and carrier set；
If carrier-in-interference minimum principle includes terminal device, jamming power is most on any carrier wave in candidate carrier set
It is small, then it is terminal device distributing carrier wave；If carrier channel optimal quality principle includes terminal device any in carrier set
Average signal-to-noise ratio highest in carrier channel, then be the carrier wave in terminal device distributing carrier wave set；Using priciple bag in carrier set
Include the scheduling of at least two terminal devices on a carrier wave.
The embodiment of the present invention provides a kind of base station, and base station obtains the base station information of all adjacent base stations first and signal is covered
In the range of all terminal devices facility information, then measurement statistics uplink downlink disturbed condition and filter out candidate load
Ripple, is finally allocated according to specific Resource Allocation Formula to candidate carrier, can realize frequency between multi-standard Multi-Carrier basestation
The coordination of rate is used.
The embodiment of the present invention provides a kind of terminal device 02, as shown in fig. 6, the terminal device 02 includes：
Feedback unit 021 is asked, for after the capacity of equipment solicited message that base station is issued is received, sending and setting to base station
Standby information, facility information includes the communication standard and carrier wave supported；
Disturbed test feedback unit 022, for after the disturbed test message that base station is issued is received, counting respectively may be used respectively
With the average interference power on carrier wave, quantification treatment is carried out to each average interference power of acquisition, and send to base station.
The embodiment of the present invention provides a kind of terminal device, is receiving the capacity of equipment solicited message that base station is issued first
Afterwards, facility information is sent to base station feedback, then after the disturbed test message that base station is issued is received, measurement statistics is each available
The average interference power of carrier wave, jamming power is finally sent to base station distributed so that base station carries out subsequent treatment for terminal device
Carrier wave, can realize that the coordination of frequency between multi-standard Multi-Carrier basestation is used.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, apparatus embodiments described above are only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.
In addition, in equipment and system in each of the invention embodiment, each functional unit can be integrated in a processing
In unit or the independent physics of unit includes, can also two or more units it is integrated in a unit.
And above-mentioned each unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit real
It is existing.
Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, preceding
The program stated can be stored in a computer read/write memory medium, and upon execution, it is real that execution includes the above method to the program
The step of applying；And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（Read Only Memory, referred to as
ROM）, random access memory（Random Access Memory, abbreviation RAM）, magnetic disc or CD etc. are various to store
The medium of program code.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. a kind of carrier selecting method of communication system, it is characterised in that methods described includes：
Network environment information is obtained, the network environment information includes the base station information and signal cover of all adjacent base stations
The facility information of interior all terminal devices；The base station information includes the communication standard supported of each adjacent base station with being matched somebody with somebody
The working frequency points information put, carrier information；The facility information include the communication standard supported of each terminal device and
Carrier wave；
Uplink interference carrier wave is determined by default uplink interference measurement strategies, and is determined respectively by default descending interferometry strategy
The corresponding descending interfering carrier of the terminal device；
Carried according to the corresponding descending interference of the network environment information and the uplink interference carrier wave, each terminal device
Ripple, determines available standards standard and the candidate carrier set of each terminal device；
Resource Allocation Formula is determined according to the network environment information and the candidate carrier set.
2. method according to claim 1, it is characterised in that the acquisition network environment information includes：
The base station information of each adjacent base station is obtained by base-station interface or network management system；
Each terminal device into signal cover sends capacity of equipment solicited message, and receives each terminal device
The facility information of feedback.
3. method according to claim 1, it is characterised in that it is described determined by default uplink interference measurement strategies it is up dry
Disturbing carrier wave includes：
In default carrier frequency point and default working frequency range, receive, measure from each adjacent base station and count each available carrier wave
On average interference power and available signal power, and will wherein described available signal power and the average interference power difference
Carrier wave less than the first power threshold is chosen to be the uplink interference carrier wave.
4. method according to claim 1, it is characterised in that determine each terminal by presetting descending interferometry strategy
The corresponding descending interfering carrier of equipment includes：
Each terminal device accessed into signal cover issues descending disturbed test information, and receives each described end
Average interference power and available signal power in the different available carrier waves of end equipment feedback, will wherein described available signal power
It is corresponding described descending that the carrier wave for being less than the second power threshold with the average interference power difference is chosen to be the terminal device
Interfering carrier.
5. method according to claim 1, it is characterised in that the available standards standard of each terminal device of determination and
Candidate carrier set includes：
If the terminal device is single-mode terminal, the standard system is times in default first standard or default second standard
One kind, the candidate carrier collection is combined into default first standard or the corresponding carrier set of default second standard and removes institute
State the set of the carrier wave beyond uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device；
If the terminal device is multimode terminal and does not support multi-standard concurrent function, the standard system is described default the
One standard and default totally two kinds of second standard, the candidate carrier collection are combined into default first standard or described default the
In the corresponding carrier set of two standards in addition to the uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device
Carrier wave set；
If the terminal device is multimode terminal and supports multi-standard concurrent function, the standard system is described default first
Standard and default totally two kinds of second standard, the candidate carrier collection are combined into default first standard and described default second
In the corresponding all carrier sets of standard except the uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device with
The set of outer carrier wave.
6. method according to claim 1, it is characterised in that described according to the network environment information and the candidate carrier
Set determines that Resource Allocation Formula includes：
Scheduling of resource is carried out according to priority judgment criterion, the priority judgment criterion is included with the industry of each terminal device
Business priority is ranked up from high to low, is followed successively by the corresponding terminal device and is carried out scheduling of resource；
Scheduling of resource is carried out according to bandwidth demand criterion, the bandwidth demand criterion includes needing with the bandwidth of each terminal device
Ask and be ranked up from high to low, be corresponding in turn to and most bandwidth moneys are distributed for the maximum terminal device of the bandwidth demand
Source, is that the minimum terminal device of the bandwidth demand distributes minimum bandwidth resources；
Scheduling of resource is carried out according to carrier wave distribution principle, the carrier wave distribution principle includes carrier-in-interference minimum principle, carrier wave and believed
Using priciple in road optimal quality principle and carrier set；
Done if the carrier-in-interference minimum principle includes the terminal device on any carrier wave in the candidate carrier set
Disturb power minimum, then distribute the carrier wave for the terminal device；If the carrier channel optimal quality principle includes the end
End equipment average signal-to-noise ratio highest in any carrier channel in the candidate carrier set, then distribute for the terminal device
The carrier wave；Using priciple is included terminal device scheduling described at least two on same carrier wave in the carrier set.
7. a kind of base station, it is characterised in that the base station includes：
Acquiring unit, for obtaining network environment information, the network environment information includes the base station information of all adjacent base stations
With the facility information of all terminal devices in signal cover；The base station information includes what each adjacent base station was supported
Communication standard and the working frequency points information configured, carrier information；The facility information is supported including each terminal device
Communication standard and carrier wave；
Determining unit is disturbed, for determining uplink interference carrier wave by default uplink interference measurement strategies, and by default descending
Interferometry strategy determines the corresponding descending interfering carrier of each terminal device；
Carrier wave selecting unit, for according to the network environment information and the uplink interference carrier wave, each terminal device pair
The descending interfering carrier answered, determines available standards standard and the candidate carrier set of each terminal device；
Resource allocation unit, for determining Resource Allocation Formula according to the network environment information and the candidate carrier set.
8. base station according to claim 7, it is characterised in that the acquiring unit specifically for：
The base station information of each adjacent base station is obtained by base-station interface or network management system；
Each terminal device into signal cover sends capacity of equipment solicited message, and receives each terminal device
The facility information of feedback.
9. base station according to claim 7, it is characterised in that the interference determining unit specifically for：
In default carrier frequency point and default working frequency range, receive, measure from each adjacent base station and count each available carrier wave
On average interference power and available signal power, and will wherein described available signal power and the average interference power difference
Carrier wave less than the first power threshold is chosen to be the uplink interference carrier wave.
10. base station according to claim 7, it is characterised in that the interference determining unit also particularly useful for：
Each terminal device accessed into signal cover issues descending disturbed test information, and receives each described end
Average interference power and available signal power in the different available carrier waves of end equipment feedback, will wherein described available signal power
It is corresponding described descending that the carrier wave for being less than the second power threshold with the average interference power difference is chosen to be the terminal device
Interfering carrier.
11. base station according to claim 7, it is characterised in that the carrier wave selecting unit specifically for：
If the terminal device is single-mode terminal, the standard system is times in default first standard or default second standard
One kind, the candidate carrier collection is combined into default first standard or the corresponding carrier set of default second standard and removes institute
State the set of the carrier wave beyond uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device；
If the terminal device is multimode terminal and does not support multi-standard concurrent function, the standard system is described default the
One standard and default totally two kinds of second standard, the candidate carrier collection are combined into default first standard or described default the
In the corresponding carrier set of two standards in addition to the uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device
Carrier wave set；
If the terminal device is multimode terminal and supports multi-standard concurrent function, the standard system is described default first
Standard and default totally two kinds of second standard, the candidate carrier collection are combined into default first standard and described default second
In the corresponding all carrier sets of standard except the uplink interference carrier wave and the corresponding descending interfering carrier of the terminal device with
The set of outer carrier wave.
12. base station according to claim 7, it is characterised in that the resource allocation unit specifically for：
Scheduling of resource is carried out according to priority judgment criterion, the priority judgment criterion is included with the industry of each terminal device
Business priority is ranked up from high to low, is followed successively by the corresponding terminal device and is carried out scheduling of resource；
Scheduling of resource is carried out according to bandwidth demand criterion, the bandwidth demand criterion includes needing with the bandwidth of each terminal device
Ask and be ranked up from high to low, be corresponding in turn to and most bandwidth moneys are distributed for the maximum terminal device of the bandwidth demand
Source, is that the minimum terminal device of the bandwidth demand distributes minimum bandwidth resources；
Scheduling of resource is carried out according to carrier wave distribution principle, the carrier wave distribution principle includes carrier-in-interference minimum principle, carrier wave and believed
Using priciple in road optimal quality principle and carrier set；
Done if the carrier-in-interference minimum principle includes the terminal device on any carrier wave in the candidate carrier set
Disturb power minimum, then distribute the carrier wave for the terminal device；If the carrier channel optimal quality principle includes the end
End equipment average signal-to-noise ratio highest in any carrier channel in the carrier set, then it is described for terminal device distribution
The carrier wave in carrier set；Using priciple is included terminal device scheduling described at least two at one in the carrier set
On carrier wave.
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| CN107819497A (en) * | 2016-09-12 | 2018-03-20 | 中兴通讯股份有限公司 | Space division multiplexing method, device and base station based on carrier aggregation |
| CN107295544B (en) * | 2016-09-27 | 2021-01-01 | 京信通信系统（中国）有限公司 | Self-optimization method and device for working frequency points of base station |
| WO2018201394A1 (en) | 2017-05-04 | 2018-11-08 | 北京小米移动软件有限公司 | Method and device for accessing base station |
| CN107484199B (en) * | 2017-07-20 | 2020-11-24 | 厦门市美亚柏科信息股份有限公司 | All-standard base station information acquisition device |
| CN109392134B (en) * | 2017-08-11 | 2023-04-18 | 大唐移动通信设备有限公司 | Resource selection method and device |
| PL3661237T3 (en) * | 2017-09-15 | 2023-01-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for selecting carrier and communication device |
| WO2019095224A1 (en) * | 2017-11-16 | 2019-05-23 | 华为技术有限公司 | Communication method and terminal device |
| CN112118582B (en) * | 2019-06-19 | 2022-08-12 | 中国电信股份有限公司 | Carrier selection method, system and terminal |
| CN112654054B (en) * | 2019-10-11 | 2023-04-18 | 广州海格通信集团股份有限公司 | Interference measurement method, device, computer equipment and readable storage medium |
| CN110690952B (en) * | 2019-10-11 | 2022-07-12 | 湖南理工学院 | Multimode concurrent anti-interference realization method |
| CN112654053B (en) * | 2019-10-11 | 2023-06-02 | 广州海格通信集团股份有限公司 | Interference state feedback information generation method, device, equipment and storage medium |
| CN112839369B (en) * | 2019-11-25 | 2023-03-31 | 中国移动通信有限公司研究院 | Network selection method and device of multi-mode terminal |
| CN113163419B (en) * | 2021-02-22 | 2022-07-22 | 国网山东省电力公司平邑县供电公司 | Resource scheduling system of high-speed coverage network of power system |
| CN115250472A (en) * | 2021-04-28 | 2022-10-28 | 中国移动通信集团四川有限公司 | Frequency allocation method and device and electronic equipment |
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| US9026164B2 (en) * | 2009-10-13 | 2015-05-05 | Qualcomm Incorporated | Selective transmission of power decision pilot in a wireless communication system |
| CN101977388A (en) * | 2010-11-01 | 2011-02-16 | 华为技术有限公司 | Method, device and system for controlling uplink interference signal |
| CN103546888A (en) * | 2012-07-11 | 2014-01-29 | 华为技术有限公司 | Perception implementing method and perception implementing device in LTE (line terminal equipment) system |
| US20150208410A1 (en) * | 2012-07-30 | 2015-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | Nodes and Methods Therein for Managing Time-Frequency Resources |
| CN103634800B (en) * | 2013-12-11 | 2017-03-01 | 国家无线电监测中心 | A kind of mobile communication based on public information demodulation is with frequency multiplexing method |
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