CN105007595B - Determine the system and method for the buffer area GSM Refarming - Google Patents
Determine the system and method for the buffer area GSM Refarming Download PDFInfo
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Abstract
The present invention relates to the system and methods for determining the buffer area GSM Refarming, it include network side data analysis system net and test macro, each base station actual signal coverage condition and the situation data parameters are analyzed in network side data analysis system localization region, determines the quantity of base station in buffer area；Test macro generates after handling data and gets figure and distribution curve ready, determines the buffer area GSM Refarming.The present invention can rationally determine buffer area in the case where guaranteeing GSM network covering and network performance after GSM Refarming distributes a part of frequency in a certain range.Test macro can rationally determine the range of buffer area, reduce the interference between inner ring LTE and outer ring gsm system, improve spectrum utilization efficiency.Network side data analysis system is combined with test macro, the quantity of more accurate buffer set really.
Description
Technical field
The present invention relates to mobile communication fields, more particularly to determine the system and method for the buffer area GSM Refarming.
Background technique
According to the motion statistics of the major operation deployment LTE in the whole world, main two kinds on the Frequency Band Selection strategy that LTE commercialization is disposed
Consideration mode: first is that disposing LTE using completely new frequency range.Second is that real by Refarming technology based on existing 2G/3G frequency range
Existing LTE deployment.Due to the universal of intelligent terminal, migration of the user to next generation network, GSM 900 and GSM 1800 carry voice
Network load gradually mitigate, therefore operator starts the frequency spectrum of the 900MHz and 1800MHz that will be originally used for 2G GSM network
It releases, is carried using Refarming technology for more advanced LTE network.GSM Refarming is from GSM frequency spectrum
One section of middle distribution is used to LTE, including the planning again and the deployment of LTE New-deployed Network to GSM network, is realized and is not being increased frequency spectrum
4G network is disposed in the case where resource, promotes data services capability, while guaranteeing that the influence to former GSM network is minimum.Such as Fig. 1 institute
Show in an implementation, generally having data traffic requirement region, defining following three Layer: layer 1(inner ring), circle GSM/LTE
Co-sited website composition, formation cover in flakes
.Layer 2(protection band) i.e. buffer area (GSM Buffer).In layer 2, GSM does not use the broadband evolution skill of inner ring
Bandwidth used in art, to reduce the interference between GSM and broadband evolution technology.The outer ring layer 3() it is the normal deployment region of GSM.?
In traditional setting buffers scheme, buffer region layer 2(protection band) range be determining based on emulation.The shortcomings that this mode
As follows: the propagation model of selection is although corrected, but is also based only on a kind of statistical result, can not reach and the area
The actual conditions in domain exactly match；Emulation tool is also a kind of based on static calculated result, can not realistic simulation go out it is practical
User's situation.If analyzed using simple with drive test data, there is also following disadvantages: drive test is limited in scope, simple
Drive test cannot reach traversal all areas.Drive test is typically only based on the test result of single user.
Summary of the invention
The object of the present invention is to provide a kind of system and methods of buffer area determining GSM Refarming, for rationally true
The quantity of buffer set website.
It is of the existing technology in order to solve the problems, such as, the technical solution adopted by the present invention is that:
The system for determining the buffer area GSM Refarming, comprising:
Network side data analysis system, the definition of network side data analysis system have NCS function, match for obtaining network foundation
Set the measurement report of data and mobile terminal reporting；Certain described cell is obtained as the signal strength of serving cell and as tested
The signal strength of cell；Each base station actual signal coverage condition and the situation data parameters are analyzed in localization region,
Determine the quantity of base station in buffer area；
Test macro is associated processing for recording data, and to related data, generates after handling data
It gets figure and distribution curve ready, determines the buffer area GSM Refarming.
The network side data analysis system includes:
Acquisition module, for obtaining the measurement report of network foundation configuration data and mobile terminal reporting；
Module is obtained, for obtaining signal strength of certain described cell as serving cell and the signal as tested cell
Intensity；
Locating module, for determining according to network foundation configuration data described in data acquired by module and acquisition module is obtained
Each base station actual signal coverage condition in one panel region of position；
Analysis module, data parameters in the region for acquiring and obtaining primarily directed to the region that locating module is positioned
It is analyzed, it is concluded that, the quantity of base station in buffer area is then determined by defining certain threshold value.
The test macro includes:
Driver test system is connected, for showing, recording the layer 1, layer 2 and high level of terminal with test terminal, GPS receiver equipment
Signaling and control data, display, record GPS time, longitude and latitude, the time that GPS receiver equipment is recorded, longitude and latitude and terminal are remembered
Record data are correctly associated with, and are recorded data for terminal and are provided geographical location；
Terminal is tested, for measuring, showing and recording layer 1, layer 2 and 3 signaling of layer and control data；
GPS receiver equipment, for showing, recording time and longitude and latitude；It is provided absolutely for sweep generator, terminal recorded data
To time and geographical location；
Later period drive test processing system generates after handling data and gets figure and distribution curve ready, determines GSM
The buffer area Refarming；
Sweep generator is determined there is the website of interference by full band scan, carries out the investigation of done site by site；
WiFi terminal can access broadband evolution technology, and signal is changed into WiFi network by CPE.
The method for determining the buffer area GSM Refarming, comprising:
S1: defining NCS function in network side data analysis system, and definition region includes all areas of layer 1, layer 2, layer 3,
Region is as big as possible；
S2: the measurement report of network foundation configuration data and mobile terminal reporting is obtained；Certain described cell is obtained as clothes
The signal strength for cell of being engaged in and the signal strength as tested cell；Each base station actual signal coverage condition is simultaneously in localization region
The situation data parameters are analyzed, determine the quantity of base station in buffer area；
S3: display, layer 1, layer 2 and the high-level signaling of record terminal and control data, display, record GPS time, longitude and latitude
Time that GPS receiver equipment records, longitude and latitude are correctly associated with terminal record data, are mentioned for terminal record data by degree
For geographical location；Measurement, display and recording layer 1, layer 2 and 3 signaling of layer and control data；It generates and gets ready after handling data
Figure and distribution curve, determine the buffer area GSM Refarming.
Advantage for present invention is with effect:
Present invention determine that the system and method for the buffer area GSM Refarming being capable of GSM in a certain range
After Refarming distributes a part of frequency, buffering is rationally determined in the case where guaranteeing GSM network covering and network performance
Area.Test macro can rationally determine the range of buffer area, reduce the interference between inner ring LTE and outer ring gsm system, improve frequency
Compose utilization efficiency.Network side data analysis system is combined with test macro, the quantity of more accurate buffer set really.
Detailed description of the invention:
Fig. 1 is region division schematic diagram；
Fig. 2 is the system structure diagram present invention determine that the buffer area GSM Refarming；
Fig. 3 is the method flow diagram present invention determine that the buffer area GSM Refarming.
Specific embodiment:
As shown in Fig. 2, the system for determining the buffer area GSM Refarming, comprising:
Network side data analysis system, the definition of network side data analysis system have NCS function, match for obtaining network foundation
Set the measurement report of data and mobile terminal reporting；Certain described cell is obtained as the signal strength of serving cell and as tested
The signal strength of cell；Each base station actual signal coverage condition and the situation data parameters are analyzed in localization region,
Determine the quantity of base station in buffer area；
NCS full name: the measurement frequency point that Neighbor Cell Support, NCS go measurement to define using the mobile phone of user
Signal strength, and the measurement frequency point defined can be the frequency point of non-adjacent cell.By the BA- that cell is periodically changed
Interim measurement frequency point in LIST can get the measurement report to a large amount of measurement frequency points, available very valuable original
Measurement report data.
NCS is actually to have collected the data after cell localization (LOCATING) operation.The measurement report of MS and BTS has:
MS is in the signal strength and the bit error rate of the SACCH downlink sent, the signal strength of adjacent six most strong cell.BTS
Signal strength, BER, TA value of the uplink of measurement.NCS is just recorded on some data during positions calculations, these
Data specifically include that using BCCH/BSIC as basic unit and are carrying out the measurement report number in NCS measurement process, becoming six most
The number of strong cell and corresponding signal strength, average signal strength etc..
Test macro is associated processing for recording data, and to related data, generates after handling data
It gets figure and distribution curve ready, determines the buffer area GSM Refarming.
The network side data analysis system includes:
Acquisition module, for obtaining the measurement report of network foundation configuration data and mobile terminal reporting；
Module is obtained, for obtaining signal strength of certain described cell as serving cell and the signal as tested cell
Intensity；
Locating module, for determining according to network foundation configuration data described in data acquired by module and acquisition module is obtained
Each base station actual signal coverage condition in one panel region of position；
Analysis module, data parameters in the region for acquiring and obtaining primarily directed to the region that locating module is positioned
It is analyzed, it is concluded that, the quantity of base station in buffer area is then determined by defining certain threshold value.
The test macro includes:
Driver test system is connected, for showing, recording the layer 1, layer 2 and high level of terminal with test terminal, GPS receiver equipment
Signaling and control data, display, record GPS time, longitude and latitude, the time that GPS receiver equipment is recorded, longitude and latitude and terminal are remembered
Record data are correctly associated with, and are recorded data for terminal and are provided geographical location；
Terminal is tested, for measuring, showing and recording layer 1, layer 2 and 3 signaling of layer and control data；Include: RSRP,
RSRQ, SINR, CQI, MCS, MIMO method, RRC signaling etc., wherein the parameters such as RSRP, RSRQ, SINR support every 200ms at least
Output is primary, and requiring SINR is based on the average value in output gap；The parameters such as CQI support every 10ms(radio frames) it is at least defeated
It is primary out；The parameters such as MCS, MIMO method support every 1ms(subframe) it exports once, it is corresponding, the output of drive test terminal period
SINR, MCS, MIMO method are necessary for the average value in output gap.
GPS receiver equipment, for showing, recording time and longitude and latitude；The time of GPS receiver equipment record, longitude and latitude degree
According to should be able to accurately correlate with sweep generator, drive test terminal record data, absolute time is provided for sweep generator, terminal recorded data
With geographical location；
Sweep generator is determined there is the website of interference by full band scan, carries out the investigation of done site by site；
Later period drive test processing system gets figure, RSRP/RSRQ/ ready for generating RSRP/RSRQ/SINR on test route
PDF/CDF distribution curve of SINR etc..In view of the original test data of drive test terminal, GPS receiver equipment is generally determined by the period
When record storage cause different sections of highway to be averaged since speed is different since speed is unevenly and due to stop-for-waiting etc.
Per unit is different apart from upper sample points.Therefore obtained PDF/CDF distribution, the sample points one in unit distance are generated
Sample determines the buffer area GSM Refarming to accurately reflect geographic covering performance；
WiFi terminal can access broadband evolution technology, and signal is changed into WiFi network by CPE.
As shown in figure 3, the method for determining the buffer area GSM Refarming, comprising:
S1: defining NCS function in network side data analysis system, and definition region includes all areas of layer 1, layer 2, layer 3,
Region is as big as possible；
S2: the measurement report of network foundation configuration data and mobile terminal reporting is obtained；Certain described cell is obtained as clothes
The signal strength for cell of being engaged in and the signal strength as tested cell；Each base station actual signal coverage condition is simultaneously in localization region
The situation data parameters are analyzed, determine the quantity of base station in buffer area；
S3: display, layer 1, layer 2 and the high-level signaling of record terminal and control data, display, record GPS time, longitude and latitude
Time that GPS receiver equipment records, longitude and latitude are correctly associated with terminal record data, are mentioned for terminal record data by degree
For geographical location；Measurement, display and recording layer 1, layer 2 and 3 signaling of layer and control data；It generates and gets ready after handling data
Figure and distribution curve, determine the buffer area GSM Refarming.
Below to the method more detailed description for determining the buffer area GSM Refarming:
NCS function is defined in network side first, definition region includes Lyaer1, Lyaer2, Lyaer3 shown in legend
All areas, region are as big as possible.
It is small for all GSM shown in FIG. 1 before GSM refarming part frequency point is to broadband evolution technology
Area (Layer1/2/3) carries out basic performance test.
Test macro carries out traversal test in test zone, and test terminal initiates audio call, and voice communication is in lasting 45S
After hang up, re-establish calling after being spaced 15S, repeatedly above step at least 10 times.Pass through later period drive test processing system after test
Count audio call success rate and cutting off rate, the downlink signal intensity (RxLevel) of GSM, C/I, voice MOS value (or uplink and downlink
BLER) etc..
Network side data analysis system records existing net frequency range and channeling situation；Count base in week age
The uplink bottom stood is made an uproar and disturbed condition, statistical result of the data based on NCS；Count the voice service of base station in week age
Percent of call completed, drop rate, handover success rate, data service percent of call completed, drop rate, handover success rate etc..
Comprehensive analysis, network side data analysis system are carried out to network side data analysis system and test macro data parameters
Primarily directed to the analysis of the measurement report of MS and BTS: analysis MS the SACCH downlink sent signal strength and
The signal strength of the bit error rate, adjacent six most strong cell.Signal strength, BER, TA value of the uplink of BTS measurement.On wherein
Row signal strength is not used in positioning, but is suitable for uplink dynamic power control.NCS is just recorded on during positions calculations
Some data, these data using BCCH/BSIC as basic unit, specifically include that carry out NCS measurement process in measurement report
Accuse number, the number as six most strong cell and corresponding signal strength, average signal strength etc..By on-the-spot test, directly
Recognize the actual conditions of network, Web vector graphic audio call success rate and cutting off rate, GSM downlink signal intensity (RxLev),
The actual conditions such as C/I, voice MOS value (or uplink and downlink BLER), according to fieldtesting results, in conjunction with network management data configuring condition,
Parameter redjustment and modification are carried out to the network that needs adjust, the Internet resources is allowed rationally to utilize, it is big to the greatest extent to play network trap.
Frequency planning is re-started to gsm system, gives Layer 1 broadband evolution to vacate certain bandwidth refarming
Technology website uses, and at guard circle (Layer 2), GSM is not used and vacated bandwidth.Layer1, Layer2, Layer3 are examined or check respectively
(the broadband evolution technology protection interval of 1 GSM/ of Layer is 200 KHz to GSM basic performance.
The adjustment of GSM frequency is carried out for the cell of Layer 1/2, vacates 5 MHz/10 MHz to broadband evolution technology
It uses, and records the GSM frequency utilization situation that Layer 1/2 was planned again.
All broadband evolution technology websites in Layer 1 are opened, Layer 2 vacates the 5 MHz/10 MHz frequency range, and
Guarantee in test zone, the frequency guard bands of GSM and broadband evolution technology are 200 KHz.
After determining buffer area, under the premise of ensureing GSM network spectrum requirement, the shared realization frequency spectrum of frequency spectrum dynamic is carried out
The maximization of resource is shared to be utilized, and is persistently promoted network spectrum efficiency to greatest extent, is met the need of Future broadband data service
It asks.Dynamic spectrum planning is exactly using part GSM frequency spectrum resource as share spectrum resources.GSM and LTE can be according to existing net
Business and data traffic demand carry out dynamic dispatching and adjustment, and by website evaluation and planning, dynamic spectrum planning and designing, parameter is set
Meter and configuration, GSM frequency weight-normality, which is drawn, realizes that GL network spectrum resource dynamic utilizes.It is preferential by the network optimization, adjustment and test
While ensureing that GSM frequency spectrum resource uses, increase LTE usable spectrum resource to greatest extent, effectively promotion spectrum efficiency.
Claims (4)
1. the system for determining the buffer area GSM Refarming characterized by comprising
Network side data analysis system, the definition of network side data analysis system have NCS function, for obtaining network foundation configuration number
According to the measurement report with mobile terminal reporting；Obtain signal strength of certain cell as serving cell and the letter as tested cell
Number intensity；Each base station actual signal coverage condition and the situation data parameters are analyzed in localization region, determines buffering
The quantity of base station in area；
Test macro is associated processing for recording data, and to related data, generates and get ready after handling data
Figure and distribution curve, determine the buffer area GSM Refarming.
2. the system of the buffer area determining GSM Refarming according to claim 1, which is characterized in that the network
Side data analysis system includes:
Acquisition module, for obtaining the measurement report of network foundation configuration data and mobile terminal reporting；
Module is obtained, it is strong as the signal strength of serving cell and the signal as tested cell for obtaining certain described cell
Degree；
Locating module, for positioning one according to network foundation configuration data described in data acquired by module and acquisition module is obtained
Each base station actual signal coverage condition in panel region；
Analysis module, data parameters carry out in the region for acquiring and obtaining primarily directed to the region that locating module is positioned
Analysis, it is concluded that, the quantity of base station in buffer area is then determined by defining certain threshold value.
3. the system of the buffer area determining GSM Refarming according to claim 1, which is characterized in that the test
System includes:
Driver test system is connected, for showing, recording the layer 1, layer 2 and high-level signaling of terminal with test terminal, GPS receiver equipment
With control data, display, record GPS time, longitude and latitude, the time that GPS receiver equipment is recorded, longitude and latitude and terminal record number
According to being correctly associated with, data are recorded for terminal, geographical location is provided；
Terminal is tested, for measuring, showing and recording layer 1, layer 2 and 3 signaling of layer and control data；
GPS receiver equipment, for showing, recording time and longitude and latitude；Absolute time is provided for sweep generator, terminal recorded data
Between and geographical location；
Later period drive test processing system generates after handling data and gets figure and distribution curve ready, determines GSM Refarming
Buffer area；
Sweep generator is determined there is the website of interference by full band scan, carries out the investigation of done site by site；
WiFi terminal can access broadband evolution technology, and signal is changed into WiFi network by CPE.
4. the method for determining the buffer area GSM Refarming characterized by comprising
S1: NCS function is defined in network side data analysis system, definition region includes all areas of layer 1, layer 2, layer 3；
S2: the measurement report of network foundation configuration data and mobile terminal reporting is obtained；Certain cell is obtained as serving cell
Signal strength and the signal strength as tested cell；Each base station actual signal coverage condition and to the situation in localization region
Data parameters are analyzed, and determine the quantity of base station in buffer area；
S3: display, layer 1, layer 2 and the high-level signaling of record terminal and control data, display, record GPS time, longitude and latitude will
The time of GPS receiver equipment record, longitude and latitude are correctly associated with terminal record data, are recorded data for terminal and are provided geography
Position；Measurement, display and recording layer 1, layer 2 and 3 signaling of layer and control data；It is generated after handling data and gets figure ready and divide
Cloth curve determines the buffer area GSM Refarming.
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| CN105430661B (en) * | 2015-11-11 | 2019-04-05 | 中国联合网络通信集团有限公司 | A kind of method and device of frequency allocation |
| CN107231637B (en) * | 2016-03-25 | 2020-02-21 | 中国电信股份有限公司 | Method and system for determining interference buffer |
| CN105828335B (en) * | 2016-05-09 | 2020-03-03 | 中国联合网络通信集团有限公司 | Method and device for sharing frequency spectrum |
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| CN104320784A (en) * | 2014-10-13 | 2015-01-28 | 中国联合网络通信集团有限公司 | Planning method and device for frequency points |
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