CN104796934B - A kind of frequency range dispatching method and device - Google Patents
A kind of frequency range dispatching method and device Download PDFInfo
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- CN104796934B CN104796934B CN201410026140.6A CN201410026140A CN104796934B CN 104796934 B CN104796934 B CN 104796934B CN 201410026140 A CN201410026140 A CN 201410026140A CN 104796934 B CN104796934 B CN 104796934B
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- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000007774 longterm Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of frequency range dispatching method, this method includes：Base station selects one in the available unauthorized frequency range of configuration and is used as target frequency bands, and power detection is carried out to the target frequency bands, when mean receiving power of the target frequency bands in N number of detection cycle is less than default interference rank, when determining simply by the presence of the terminal that WiFi data transmission is carried out using the target frequency bands, terminate this flow；Otherwise, all terminals serviced with it carry out data transmission in the target frequency bands；When mean receiving power of the target frequency bands in N number of detection cycle is not less than default interference rank, the selection target frequency range in other can use unauthorized frequency range, continues power detection.Based on same inventive concept, the present invention also proposes a kind of device, can more reasonable employment frequency resource, and reduce the interference between system.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of frequency range dispatching method and device.
Background technology
With the continuous popularization of intelligent terminal, explosive increase will be presented in following radio data business.To meet this
One increases, and frequency spectrum resource is expanded into one of important direction.
The frequency spectrum resource that future can be used to do data transfer mainly includes authorizing two major class of frequency spectrum and unlicensed spectrum.Authorize
Frequency spectrum can only operator exclusiveness use, and unlicensed spectrum is then permitted without supervision department, meets different fortune under certain condition
Business's network is sought to can be used.
In unauthorized frequency range, the Wireless Fidelity based on 802.11 series is mainly used at this stage（WiFi）Technology, and it is long-term
Evolution（LTE）Network is mainly used in mandate frequency range.With the growing tension of frequency spectrum resource, LTE, which expands to unlicensed spectrum, to be made
With as important direction.
Used for WiFi and LTE equipment with unauthorized frequency range, will undoubtedly face interference and coexistence problems.
The content of the invention
In view of this, the present invention provides a kind of frequency range dispatching method and device, being capable of more reasonable employment frequency resource, and subtracting
Interference between few system.
In order to solve the above technical problems, the technical proposal of the invention is realized in this way：
A kind of frequency range dispatching method, applied to control LTE system base station on, the described method includes：
A, base station selects one to can use unauthorized frequency range as mesh in the available unauthorized frequency range of configuration by preset rules
Mark frequency range；
B, power detection is carried out to the target frequency bands, in N number of continuous detection cycle, obtains each detection cycle frequency
The reception power of section, and calculate mean receiving power of the frequency range within N number of cycle；
Whether the mean receiving power for C, determining to calculate is less than default interference rank, if so, performing step E；Otherwise, hold
Row step D；
D, the base station selects one can use in the available unauthorized frequency range outside target frequency bands is had been chosen as by preset rules
Unauthorized frequency range performs step B as current target frequency bands；
E, the base station determines to whether there is in its each terminal serviced carries out WiFi data transmission using the target frequency bands
Terminal, if so, terminating this flow；Otherwise, step F is performed；
F, all terminals that the base station is serviced with it carry out data transmission in the target frequency bands.
A kind of device, can be applied on the base station of control LTE system, which includes：Dispensing unit, selecting unit, inspection
Survey unit, determination unit and processing unit；
The dispensing unit, unauthorized frequency range can be used for configuring；
The selecting unit, in the available unauthorized frequency range of the configuration of described dispensing unit, being selected by preset rules
One can use unauthorized frequency range as target frequency bands；When the mean receiving power that the determination unit determines to calculate is not less than default
When disturbing rank, in the available unauthorized frequency range outside target frequency bands is had been chosen as, one is selected to can use non-award by preset rules
Frequency range is weighed as current target frequency bands, and triggers the detection unit and carries out power detection in the target frequency bands；
The detection unit, the target frequency bands for selecting the selecting unit carry out power detection, N number of continuous
In detection cycle, the reception power of each detection cycle frequency range is obtained, and calculates average received of the frequency range within N number of cycle
Power；
The determination unit, for determining whether the mean receiving power that the detection unit calculates is less than default interference level
Not, when the mean receiving power for determining that the detection unit calculates is less than default interference rank, further determine that it is serviced
Each terminal in whether there is using the target frequency bands carry out WiFi data transmission terminal, if so, end operation；Otherwise,
All terminals serviced with it carry out data transmission in the target frequency bands.
In conclusion the present invention selects one in the available unauthorized frequency range of configuration by base station and is used as target frequency bands,
And power detection is carried out to the target frequency bands, preset when mean receiving power of the target frequency bands in N number of detection cycle is less than
When disturbing rank, when determining simply by the presence of the terminal that WiFi data transmission is carried out using the target frequency bands, terminate this flow；It is no
Then, all terminals serviced with it carry out data transmission in the target frequency bands；When the target frequency bands are in N number of detection cycle
When mean receiving power is not less than default interference rank, the selection target frequency range in other can use unauthorized frequency range, continues
Power detection.Can more reasonable employment frequency resource, and reduce the interference between system.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention Mid Frequency dispatching method flow diagram；
Fig. 2 is the structure diagram for the device for being applied to above-mentioned technology in the specific embodiment of the invention.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
Scheme of the present invention is described in further detail.
A kind of frequency range dispatching method is proposed in the embodiment of the present invention, on the base station applied to control LTE system, which exists
Selection one is used as target frequency bands in the available unauthorized frequency range of configuration, and carries out power detection to the target frequency bands, when the mesh
When marking mean receiving power of the frequency range in N number of detection cycle and being less than default interference rank, determine simply by the presence of using the target
When frequency range carries out the terminal of WiFi data transmission, terminate this flow；Otherwise, with all terminals that it is serviced the target frequency bands into
Row data transfer；When mean receiving power of the target frequency bands in N number of detection cycle is not less than default interference rank, at it
He can use selection target frequency range in unauthorized frequency range, continue power detection.With this solution, being capable of more reasonable employment frequency
Resource, and reduce the interference between system.
Referring to Fig. 1, Fig. 1 is specific embodiment of the invention Mid Frequency dispatching method flow diagram.Concretely comprise the following steps：
Step 101, start.
When base station needs to carry out data transmission using unauthorized frequency range, the technology of specific embodiment of the invention proposition is used
Scheme, that is, perform step 102.
Step 102, base station selects one to can use unauthorized frequency range in the available unauthorized frequency range of configuration by preset rules
As target frequency bands.
Preset rules in this step can be configured according to practical application, such as in the available unauthorized frequency range of configuration with
Machine selects a frequency range, either determines preferentially to carry out the power detection of which frequency range again or according to frequency by the size of frequency range value
Segment number is ranked up, and preferentially the frequency range big to frequency range number carries out power detection etc., and being not intended to limit in the specific embodiment of the invention makes
The technical solution realized and invented with the method for which kind of selection target frequency range.
Step 103, which carries out power detection to the target frequency bands, in N number of continuous detection cycle, obtains each
The reception power of the detection cycle frequency range, and calculate mean receiving power of the frequency range within N number of cycle.
N in this step is configured according to concrete application, for the integer more than 1.
Assuming that the time of each measurement period is T, time of N number of measurement period and be W.
Assuming that the reception power monitored within the ith measurement cycle in target frequency bands is Ti, i ∈ [1, N], then time W
Interior, i.e., the mean receiving power in N number of detection cycle is
Step 104, whether the mean receiving power which determines to calculate is less than default interference rank, if so, performing
Step 106；Otherwise, step 105 is performed.
Default interference rank in this step is configured according to concrete application environment.
Step 105, which selects one in the available unauthorized frequency range outside target frequency bands is had been chosen as by preset rules
It is a to can use unauthorized frequency range to perform step 103 as current target frequency bands.
The base station determines that the target frequency bands cannot be in use, other available unauthorized frequency ranges of reselection configuration carry out power
Detection, it is determined whether can use.
The base station is selected in the available unauthorized frequency range outside target frequency bands is had been chosen as by preset rules in the present embodiment
One can use unauthorized frequency range as current target frequency bands, before, in the available unauthorized frequency range that need to further determine configuration
Whether the available unauthorized frequency range for being not chosen as target frequency bands also there is, if so, performing step 105；Otherwise, this stream is terminated
Journey.
I.e. during this flow processing, if also there is the available unauthorized frequency range for not detecting power, if the institute of configuration
There is available unauthorized frequency range all to carry out power detection, it is determined that the unauthorized frequency range that can not use, terminates current process.
Step 106, which determines to whether there is in its each terminal serviced carries out WiFi numbers using the target frequency bands
According to the terminal of transmission, if so, performing step 108；Otherwise, step 107 is performed.
The base station determines to whether there is in its each terminal serviced carries out WiFi data transmission using the target frequency bands
Terminal, including：
All terminal broadcasts that the base station is serviced to it send whether each terminal of inquiry is used the target frequency bands hair
Send the message of WiFi data.
Each terminal that the base station receives its service carries out WiFi data hair according to the target frequency bands itself whether are used
The message sent and fed back.
The message that the base station is fed back according to each terminal, it is determined whether exist and carry out WiFi data transmission using the target frequency bands
Terminal.
During specific implementation, each terminal transmission which services to it asks whether to send WiFi numbers using the target frequency bands
According to message when, carry the frequency ranges number of the target frequency bands.
When any terminal of base station service receives the message for asking whether to use the target frequency bands to send WiFi data,
Check whether the target frequency bands are used as WiFi data and send, if so, occupied to one target frequency bands of the base station feedback
Message；Otherwise, to one available message of the target frequency bands of the base station feedback.
When the base station receives the message of each terminal feedback, determine occupied with the presence or absence of the target frequency bands in feedback message
Message, if so, perform step 108；Otherwise, step 107 is performed.
Step 107, all terminals which services with it carry out data transmission in the target frequency bands.
So the base station can use available unauthorized frequency range as target frequency bands and each terminal that it is serviced into line number
According to transmission.
Step 108, terminate.
Current process terminates, and can also such as set a silence period, within the silence period, the base station not to it is any can
Power detection is carried out with unauthorized frequency range；After silence period, if the base station also needs to carry out data using unauthorized frequency range
Transmission, reuses the concrete technical scheme of the present invention, definite unauthorized frequency range that can be whether.
WiFi and LTE system use different control access technologies.WiFi system is random access system, is not concentrated
Network management and control；And LTE system is the control concentrated by base station, access and the data transfer of user are managed.
Run for LTE and WiFi system in identical frequency range, most important problem is mutually dry between two systems
Disturb.Particularly with end side, in identical frequency point, due to interference and the limitation of radio-frequency apparatus, it is impossible to be carried out at the same time two kinds of moulds
The operation of formula.In view of WiFi system without the control concentrated, the frequency range scheduling for carrying out LTE and WiFi data transmission is placed on control
The base station side of LTE system carries out.
Based on same inventive concept, the application also proposes a kind of device, can be applied on the base station of control LTE system.
Referring to Fig. 2, Fig. 2 is the structure diagram for the device for being applied to above-mentioned technology in the specific embodiment of the invention.The device includes：Match somebody with somebody
Put unit 201, selecting unit 202, detection unit 203 and determination unit 204.
Dispensing unit 201, unauthorized frequency range can be used for configuring；
Selecting unit 202, in the available unauthorized frequency range that dispensing unit 201 configures, one to be selected by preset rules
It is a to can use unauthorized frequency range as target frequency bands；When the mean receiving power that determination unit 204 determines to calculate is dry not less than default
It is available unauthorized by preset rules selection one in the available unauthorized frequency range outside target frequency bands is had been chosen as when disturbing rank
Frequency range is as current target frequency bands, and detection trigger unit 203 carries out power detection in the target frequency bands；
Detection unit 203, the target frequency bands for selecting selecting unit 202 carry out power detection, in N number of continuous inspection
Survey in the cycle, obtain the reception power of each detection cycle frequency range, and calculate average received work(of the frequency range within N number of cycle
Rate；
Determination unit 204, for determining whether the mean receiving power that detection unit 203 calculates is less than default interference level
Not, when the mean receiving power for determining that detection unit 203 calculates is less than default interference rank, further determine that what it was serviced
It whether there is the terminal that WiFi data transmission is carried out using the target frequency bands in each terminal, if so, end operation；Otherwise, with
Its all terminal serviced carries out data transmission in the target frequency bands.
It is preferred that
Determination unit 204, for when the mean receiving power for determining to calculate is not less than default interference rank, further really
Surely whether also there is the frequency range for being not chosen as target frequency bands in the available unauthorized frequency range configured, if so, triggering selection unit
202 perform in the available unauthorized frequency range outside target frequency bands is had been chosen as, and select one to can use unauthorized frequency by preset rules
The operation of target frequency bands current Duan Zuowei；Otherwise, end operation.
It is preferred that
Determination unit 204, is carried out specifically for determining to whether there is in its each terminal serviced using the target frequency bands
During the terminal that WiFi data is sent, all terminal broadcasts serviced to it send whether each terminal of inquiry is used the target
Frequency range sends the message of WiFi data；Each terminal for receiving its service is carried out according to the target frequency bands itself whether are used
The message that WiFi data sends and feeds back；The message fed back according to each terminal, it is determined whether exist and carried out using the target frequency bands
The terminal that WiFi data is sent.
The unit of above-described embodiment can be integrated in one, and can also be deployed separately；A unit is can be merged into, also may be used
To be further split into multiple subelements.
In conclusion the present invention selects one in the available unauthorized frequency range of configuration by base station and is used as target frequency bands,
And power detection is carried out to the target frequency bands, preset when mean receiving power of the target frequency bands in N number of detection cycle is less than
When disturbing rank, when determining simply by the presence of the terminal that WiFi data transmission is carried out using the target frequency bands, terminate this flow；It is no
Then, all terminals serviced with it carry out data transmission in the target frequency bands；When the target frequency bands are flat in N number of detection cycle
When receiving power not less than default interference rank, the selection target frequency range in other can use unauthorized frequency range, continues work(
Rate detects.With this solution, can more reasonable employment frequency resource, and reduce the interference between system.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on, should be included in the protection of the present invention
Within the scope of.
Claims (6)
- A kind of 1. frequency range dispatching method, applied on the base station for controlling Long Term Evolution LTE system, it is characterised in that the method Including：A, base station selects one to can use unauthorized frequency range as target frequency in the available unauthorized frequency range of configuration by preset rules Section；B, power detection is carried out to the target frequency bands, in N number of continuous detection cycle, obtains each detection cycle frequency range Power is received, and calculates mean receiving power of the frequency range within N number of cycle；Whether the mean receiving power for C, determining to calculate is less than default interference rank, if so, performing step E；Otherwise, step is performed Rapid D；D, the base station selects one to can use non-award in the available unauthorized frequency range outside target frequency bands is had been chosen as by preset rules Frequency range is weighed as current target frequency bands, performs step B；E, the base station determines to whether there is in its each terminal serviced carries out Wireless Fidelity WiFi data using the target frequency bands The terminal of transmission, if so, terminating this flow；Otherwise, step F is performed；F, all terminals that the base station is serviced with it carry out data transmission in the target frequency bands.
- 2. according to the method described in claim 1, it is characterized in that, after step D, before step D, the method is further wrapped Include：Whether also there is the frequency range for being not chosen as target frequency bands in the available unauthorized frequency range of base station configuration, if so, performing Step D；Otherwise, this flow is terminated.
- 3. method according to claim 1 or 2, it is characterised in that the base station determines its each terminal serviced in step E In whether there is using the target frequency bands carry out WiFi data transmission terminal, including：All terminal broadcasts that the base station is serviced to it send whether each terminal of inquiry is used the target frequency bands transmission The message of WiFi data；The base station receive its service each terminal according to itself whether be used the target frequency bands carry out WiFi data transmission and The message of feedback；The message that the base station is fed back according to each terminal, it is determined whether there is the end that WiFi data transmission is carried out using the target frequency bands End.
- 4. a kind of frequency range dispatching device, can be applied on the base station of control LTE system, it is characterised in that the device includes：Configuration Unit, selecting unit, detection unit, determination unit and processing unit；The dispensing unit, unauthorized frequency range can be used for configuring；The selecting unit, in the available unauthorized frequency range of the configuration of described dispensing unit, one to be selected by preset rules Target frequency bands can be used as by the use of unauthorized frequency range；When the mean receiving power that the determination unit determines to calculate is not less than default interference During rank, in the available unauthorized frequency range outside target frequency bands is had been chosen as, one is selected to can use unauthorized frequency by preset rules Target frequency bands current Duan Zuowei, and trigger the detection unit and carry out power detection in the target frequency bands；The detection unit, the target frequency bands for selecting the selecting unit carry out power detection, in N number of continuous detection In cycle, the reception power of each detection cycle frequency range is obtained, and calculates average received work(of the frequency range within N number of cycle Rate；The determination unit, for determining whether the mean receiving power that the detection unit calculates is less than default interference rank, When the mean receiving power for determining that the detection unit calculates is less than default interference rank, further determine that it is serviced each It whether there is the terminal that Wireless Fidelity WiFi data transmission is carried out using the target frequency bands in terminal, if so, end operation；It is no Then, all terminals serviced with it carry out data transmission in the target frequency bands.
- 5. device according to claim 4, it is characterised in thatThe determination unit, for when the mean receiving power for determining to calculate is not less than default interference rank, further determining that Whether also there is the frequency range for being not chosen as target frequency bands in the available unauthorized frequency range of configuration, if so, the triggering selection is single Member is performed in the available unauthorized frequency range outside target frequency bands is had been chosen as, and selects one to can use unauthorized frequency range by preset rules Operation as current target frequency bands；Otherwise, end operation.
- 6. device according to claim 4 or 5, it is characterised in thatThe determination unit, WiFi is carried out specifically for determining to whether there is in its each terminal serviced using the target frequency bands During the terminal of data sending, all terminal broadcasts serviced to it send whether each terminal of inquiry is used the target frequency bands Send the message of WiFi data；Each terminal for receiving its service carries out WiFi numbers according to the target frequency bands itself whether are used The message fed back according to transmission；The message fed back according to each terminal, it is determined whether exist and carry out WiFi numbers using the target frequency bands According to the terminal of transmission.
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| CN201410026140.6A CN104796934B (en) | 2014-01-21 | 2014-01-21 | A kind of frequency range dispatching method and device |
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| CN201410026140.6A CN104796934B (en) | 2014-01-21 | 2014-01-21 | A kind of frequency range dispatching method and device |
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| CN104796934B true CN104796934B (en) | 2018-05-15 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106470474B (en) * | 2015-08-17 | 2020-03-10 | 上海无线通信研究中心 | Method for using unlicensed frequency band by coexistence of different communication networks |
| WO2017059583A1 (en) * | 2015-10-09 | 2017-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for data transmission |
| CN105636092B (en) * | 2015-10-30 | 2019-11-12 | 东莞酷派软件技术有限公司 | Channel bands selection method, information processing method and device |
| CN107534866B (en) * | 2016-01-20 | 2020-03-20 | 华为技术有限公司 | Method, device and system for transmitting information in power communication system |
| CN105848161A (en) * | 2016-03-18 | 2016-08-10 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for expanding unlicensed spectrum communication |
| CN105827253B (en) * | 2016-03-30 | 2017-08-15 | 维沃移动通信有限公司 | A kind of rf signal reception device and mobile terminal |
| CN109769275A (en) * | 2019-01-22 | 2019-05-17 | 深圳高新兴物联科技有限公司 | WIFI frequency band switching method, device, equipment and computer storage medium |
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| CN103517456A (en) * | 2012-06-14 | 2014-01-15 | 网件公司 | Dual band LTE small cell |
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| CN102232307B (en) * | 2011-06-16 | 2013-09-11 | 华为技术有限公司 | Dynamic spectrum allocation method, center control unit, bs and spectrum allocation system |
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| CN101583141A (en) * | 2009-06-23 | 2009-11-18 | 重庆邮电大学 | Method for improving WiMAX performance based on periodogram testing and spectrum pool |
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