CN103001710A - System and method for measuring signal intensity of intelligent antenna - Google Patents
System and method for measuring signal intensity of intelligent antenna Download PDFInfo
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- CN103001710A CN103001710A CN201210446322XA CN201210446322A CN103001710A CN 103001710 A CN103001710 A CN 103001710A CN 201210446322X A CN201210446322X A CN 201210446322XA CN 201210446322 A CN201210446322 A CN 201210446322A CN 103001710 A CN103001710 A CN 103001710A
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Abstract
The invention discloses a system for measuring the signal intensity of an intelligent antenna. The system comprises a PC (personal computer), a plurality of measuring nodes and coordinators used for connecting the measuring nodes with the PC. Each measuring node comprises a TD-SCDMA (time division-synchronization code division multiple access) module, a processor, a Zigbee module and a GPS (global positioning system) module, the TD-SCDMA module is used for receiving and measuring the signal intensity of a base station, the processor is used for control and data processing, the Zigbee module is used for communication and data transmission, the GPS module is used for synchronization and positioning, and the TD-SCDMA module, the GPS module and the Zigbee module are respectively connected with the processor. The measuring node guiding base station is communicated with the measuring nodes, and the measuring nodes monitor the signal intensity of the base station; the measuring nodes are arranged reasonably and form a measuring network via the Zigbee module, so that multiple point positions are measured simultaneously; and devices of the measuring nodes are small in size and low in cost and are not required to be carried.
Description
Technical field
The present invention relates to a kind of signal strength measurement system and method for measurement, relate in particular to a kind of smart antenna signal strength measurement system and method for measurement.
Background technology
Fast development along with 3-G (Generation Three mobile communication system), China TD-SCDMA system has also obtained significant progress, because smart antenna can anti-multipath fading, reduce the time delay expansion, smart antenna is supported high data rate, suppress to disturb, reduce near-far interference, reduce outage probability, improve BER (Bit Error Rate) performance, increase power system capacity, improve spectrum efficiency, support flexibly and effectively handover, enlarge cell coverage area, cell management flexibly, prolong the travelling carriage battery life, and the advantage such as maintenance and operation cost be lower, so existing antenna for base station all can adopt smart antenna to communicate framework, so use the intensity of smart antenna to replace the signal strength signal intensity of base station in the following narration.Because the increase of the construction coverage rate of base station (a lot of resident's roof construction have the base station), the base station electromagnetic radiation has become the focus that people pay close attention to gradually on the impact of human body, how qualitative, quantitative go judge that the smart antenna electromagnetic radiation pollution is a problem to be solved.Because particular job principle of smart antenna, smart antenna be so that the base station is set up talking link at down link with business beam and user, and owing to the randomness of customer location and the time interval of the each wave beam forming of smart antenna are 5ms.When the TD-SCDMA base station signal strength is measured, in the existing third generation communication base station signal strength measurement instrument, only be of its function for the smart antenna signal strength measurement, equipment price is expensive.So still generally use the measuring equipment that is used for measuring second generation communication system when only the smart antenna signal strength values being measured in the base station measurement of most TD-SCDMA, namely frequency spectrograph adds the measuring equipment of field intensity meter.But during actual measurement, measuring equipment need to be transported to successively next measurement point and measure, and that frequency spectrograph adds the measuring equipment volume of field intensity meter is large and be difficult for fast moving, seems complicated and is difficult to operation so frequency spectrograph adds the method for measurement of field intensity meter.
Summary of the invention
The purpose of this invention is to provide a kind of smart antenna signal strength measurement system measures base station signal strength.
Further purpose of the present invention provides a kind of smart antenna signal strength measurement system, realizes base station signal strength is carried out multiple spot, measured simultaneously.
Further purpose of the present invention provides a kind of method that can measure the smart antenna signal strength signal intensity.
The present invention adopts following technical proposals:
A kind of smart antenna signal strength measurement system, comprise PC, measured node and be connected connecting the telegon of measured node and PC, described measured node comprises for the TD-SCDMA module that receives and measure base station signal strength, be used for processor that control and data process, be used for communicate by letter and the wireless data transfer module of transfer of data and being used for synchronously and the GPS module of locating, and described TD-SCDMA module, GPS module, wireless data transfer module are connected with processor respectively.
Described measured node is a plurality of, and a plurality of measured node form by wireless data transfer module measures network, is used for that multiple spot is carried out in the base station and measures simultaneously.
The set-up mode of described a plurality of measured node is: the effect of signals of bringing for the refraction that reduces ground and reflection, make measured node apart from ground one setting height, centered by the central point of TD-SCDMA base station, utilize the angle of declination angle value of smart antenna and the top, base station calculates measuring center point and base station center point to the vertical height value of measured node place horizontal plane distance, thereby determine the position of measuring center point, and guarantee that this point is not blocked, make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, main lobe and all secondary lobes are combined as a semicircle, on main lobe and secondary lobe respectively with from central point uniformly-spaced distance carry out the layout of measured node, measured node quantity is 3 times of measured node on the secondary lobe on the main lobe.
Described processor is arm processor.
Described wireless data transfer module is the Zigbee module.
The method of measurement of a kind of smart antenna signal strength measurement system may further comprise the steps:
A: according to the position of base station, in the base station around the reasonable Arrangement measured node; Described measured node comprises for the TD-SCDMA module that receives and measure base station signal strength, be used for processor that control and data process, be used for communicate by letter and the wireless data transfer module of transfer of data and being used for synchronously and the GPS module of locating, and described TD-SCDMA module, GPS module, wireless data transfer module are connected with processor respectively.
B: make TD-SCDMA module, wireless data transfer module and the work of GPS module, the debugging modules makes modules enter normal operating conditions;
C: the work of processor control TD-SCDMA module communicates TD-SCDMA module and base station;
D: the position of the synchronous location survey node of processor control GPS module, the signal strength signal intensity of simultaneous processor control survey node measurement present position, and a signal strength signal intensity that records sends to PC by telegon;
The E:PC machine is analyzed, is processed the signal strength data that records.
Described measured node is a plurality of, and a plurality of measured node form by wireless data transfer module measures network, is used for that multiple spot is carried out in the base station and measures simultaneously.
The set-up mode of described a plurality of measured node is: the effect of signals of bringing for the refraction that reduces ground and reflection, make measured node apart from ground one setting height, centered by the central point of TD-SCDMA base station, utilize the angle of declination angle value of smart antenna and the top, base station calculates measuring center point and base station center point to the vertical height value of measured node place horizontal plane distance, thereby determine the position of measuring center point, and guarantee that this point is not blocked, make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, main lobe and all secondary lobes are combined as a semicircle, on main lobe and secondary lobe respectively with from central point uniformly-spaced distance carry out the layout of measured node, measured node quantity is 3 times of measured node on the secondary lobe on the main lobe.
Described processor is arm processor.
Described wireless data transfer module is the Zigbee module.
The present invention is by using TD-SCDMA module, wireless data transfer module, GPS module and microprocessor to form measured node, and measured node is induced base station and measured node to communicate the while measured node base station signal strength is monitored; A plurality of measured node are carried out reasonable Arrangement, form one by the Zigbee module and measure network, position by the GPS module simultaneously, measure when so just can realize multi-point.Measured node is sent to PC to the data value of monitoring in real time by telegon, and PC is analyzed, processes, shown.The measured node equipment volume is little, need not carrying and cheap.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present invention;
Fig. 2 is the schematic block circuit diagram of measured node of the present invention;
Fig. 3 is the distribution map that measured node of the present invention is arranged.
Embodiment
As shown in Figure 1 and Figure 2, a kind of smart antenna signal strength measurement system, comprise PC, measured node and be connected connecting the telegon of measured node and PC, described measured node comprises for the TD-SCDMA module that receives and measure base station signal strength, be used for processor that control and data process, be used for communicate by letter and the wireless data transfer module of transfer of data and being used for synchronously and the GPS module of locating, and described TD-SCDMA module, GPS module, wireless data transfer module are connected with processor respectively; Because the TD-SCDMA module has conversation, standby, three kinds of patterns of flight, so can under the control of processor, make TD-SCDMA module and base station set up the communications status of different mode, signal strength values under the while real time record different communication state, the signal strength values of collecting is sent to telegon by the Zigbee module, and telegon is given PC analysis data, processes, is shown.
Described processor is arm processor.The small volume of arm processor own, with low cost, action that can control survey node modules, also can control simultaneously signal between each node synchronously, communication, and transmit data to PC.
Described wireless data transfer module is the Zigbee module.The Zigbee module is sent to PC to the data value of measured node collection by wireless transmission under the control of arm processor.
Described measured node can be for a plurality of.A plurality of measured node are carried out reasonable Arrangement, Zigbee network by the wireless test of Zigbee module construction in a plurality of measured node, this Zigbee measures network can realize while, near the signal strength signal intensity in multimetering TD-SCDMA base station, carry out the data communication and transmission between a plurality of measured node, and use GPS module realizes communication synchronization and location between a plurality of measured node.
As shown in Figure 3, described set-up mode on a plurality of measured node is: for the refraction that reduces ground and the reflection impact on signal measurement, it is 2m that measured node arranges apart from ground level, centered by the central point of TD-SCDMA base station, utilize the angle of declination angle value of smart antenna and top, base station to calculate measuring center point apart from the distance of base station center point to the vertical height value of measured node place horizontal plane by Pythagorean theorem, thereby determine the position of measuring center point, and guarantee that this point is not blocked, make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, be combined as at last a semicircle, on main lobe and secondary lobe respectively with central point uniformly-spaced distance carry out the layout of measured node, main lobe measured node quantity is 3 times of measured node on the secondary lobe.Measured node is arranged according to known signal intensity profile situation, measured node is no longer arranged in the position of basic no signal, thereby save the amount of labour and measure cost.
Can use single measured node and base station to converse when the present invention works, record the signal strength values of single measured node; Also can arrange by a plurality of measured node reasonable layouts, when simulating single or a plurality of user's communication, signal radiation intensity level and the changing value of conversation point present position and location about thereof, thereby real-time measurement and the multimetering of realization signal strength values.
The method of measurement of a kind of smart antenna signal strength measurement system may further comprise the steps:
A: according to the position of base station, in the base station around the reasonable Arrangement measured node; Because the signal strength signal intensity size distribution situation of base station intelligent antenna is carried out reasonable layout, save like this and measure cost;
B: make TD-SCDMA module, Zigbee module and the work of GPS module, the debugging modules makes modules enter normal operating conditions;
C: by the work of processor control TD-SCDMA module, TD-SCDMA module and base station are communicated; Namely by processor active transmitted signal on the system down link passage of this TD-SCDMA network, induce TD-SCDMA base station and measured node to set up talking link, after talking link is set up, measure respectively signal strength signal intensity under conversation, standby and the offline mode state by processor;
D: control the operating state data that the GPS module is located synchronously the position of a plurality of measured node, distinguished each node by processor, simultaneous processor control Zigbee network is measured the signal strength signal intensity of each measured node, and the signal strength values that records is sent to PC by the value telegon;
The E:PC machine gathers, analyzes, processes the signal strength data that records, finally can recognize intuitively when single measured node or a plurality of measured node are measured simultaneously, and also radiation intensity value of the signal strength signal intensity of measuring each measured node institute distributing position in the network when single measured node or a plurality of measured node are measured simultaneously under the different conditions.
Described A step is specially: the effect of signals of bringing for the refraction that reduces ground and reflection, measured node arranges apart from ground certain altitude (as being set to 2m), take top, TD-SCDMA base station at the subpoint on ground as base station center, utilize the angle of declination angle value of smart antenna and top, base station to calculate measuring center point apart from the distance of base station center to the vertical height value of measured node place horizontal plane by Pythagorean theorem, thereby determine the position of measuring center point, and guarantee that this point is not blocked by foreign object; Make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, main lobe and all secondary lobes are combined as a semicircle, on main lobe and secondary lobe respectively take the measuring center point as starting point uniformly-spaced distance carry out the layout of measured node, can carry out the analog quantization collection to the base station ambient signals like this, main lobe measured node quantity is 3 times of measured node on the secondary lobe, is convenient to signals collecting.
The method of measurement of this smart antenna signal strength measurement system, it is the layout of carrying out a plurality of measured node according to the signal intensity profile situation of smart antenna, not only can realize to base station ambient signals intensity distributions value carry out in real time, multimetering, also can realize the radiation intensity value of different user when the work of the lower base station of different operating state (start, shutdown, conversation) measured monitoring, for base station radiation proof measurement and smart antenna signal strength measurement provide a kind of easily and efficiently method of measurement.
Claims (10)
1. smart antenna signal strength measurement system, it is characterized in that: comprise PC, measured node and be connected connecting the telegon of measured node and PC, described measured node comprises for the TD-SCDMA module that receives and measure base station signal strength, be used for processor that control and data process, be used for communicate by letter and the wireless data transfer module of transfer of data and being used for synchronously and the GPS module of locating, and described TD-SCDMA module, GPS module, wireless data transfer module are connected with processor respectively.
2. smart antenna signal strength measurement according to claim 1 system, it is characterized in that: described measured node is a plurality of, a plurality of measured node form by wireless data transfer module measures network, is used for that multiple spot is carried out in the base station and measures simultaneously.
3. smart antenna signal strength measurement according to claim 2 system, it is characterized in that: the set-up mode of described a plurality of measured node is: the effect of signals of bringing for the refraction that reduces ground and reflection, make measured node apart from ground one setting height, centered by the central point of TD-SCDMA base station, utilize the angle of declination angle value of smart antenna and the top, base station calculates measuring center point and base station center point to the vertical height value of measured node place horizontal plane distance, thereby determine the position of measuring center point, and guarantee that this point is not blocked, make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, main lobe and all secondary lobes are combined as a semicircle, on main lobe and secondary lobe respectively with from central point uniformly-spaced distance carry out the layout of measured node, measured node quantity is 3 times of measured node on the secondary lobe on the main lobe.
4. smart antenna signal strength measurement according to claim 3 system, it is characterized in that: described processor is arm processor.
5. smart antenna signal strength measurement according to claim 4 system, it is characterized in that: described wireless data transfer module is the Zigbee module.
6. the method for measurement of a smart antenna signal strength measurement system is characterized in that: may further comprise the steps:
A: according to the position of base station, in the base station around the reasonable Arrangement measured node; Described measured node comprises for the TD-SCDMA module that receives and measure base station signal strength, be used for processor that control and data process, be used for communicate by letter and the wireless data transfer module of transfer of data and being used for synchronously and the GPS module of locating, and described TD-SCDMA module, GPS module, wireless data transfer module are connected with processor respectively;
B: make TD-SCDMA module, wireless data transfer module and the work of GPS module, the debugging modules makes modules enter normal operating conditions;
C: the work of processor control TD-SCDMA module communicates TD-SCDMA module and base station;
D: the position of the synchronous location survey node of processor control GPS module, the signal strength signal intensity of simultaneous processor control survey node measurement present position, and a signal strength signal intensity that records sends to PC by telegon;
The E:PC machine is analyzed, is processed the signal strength data that records.
7. smart antenna signal strength measurement according to claim 6 system, it is characterized in that: described measured node is a plurality of, a plurality of measured node form by wireless data transfer module measures network, is used for that multiple spot is carried out in the base station and measures simultaneously.
8. smart antenna signal strength measurement according to claim 7 system, it is characterized in that: the set-up mode of described a plurality of measured node is: the effect of signals of bringing for the refraction that reduces ground and reflection, make measured node apart from ground one setting height, centered by the central point of TD-SCDMA base station, utilize the angle of declination angle value of smart antenna and the top, base station calculates measuring center point and base station center point to the vertical height value of measured node place horizontal plane distance, thereby determine the position of measuring center point, and guarantee that this point is not blocked, make straight line with measuring center point and antenna arbitrfary point at the projection line on ground, with this straight line as main lobe, per 30 degree arrange a secondary lobe to both sides respectively, main lobe and all secondary lobes are combined as a semicircle, on main lobe and secondary lobe respectively with from central point uniformly-spaced distance carry out the layout of measured node, measured node quantity is 3 times of measured node on the secondary lobe on the main lobe.
9. smart antenna signal strength measurement according to claim 8 system, it is characterized in that: described processor is arm processor.
10. smart antenna signal strength measurement according to claim 9 system, it is characterized in that: described wireless data transfer module is the Zigbee module.
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| CN201210446322XA CN103001710A (en) | 2012-11-09 | 2012-11-09 | System and method for measuring signal intensity of intelligent antenna |
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| CN107290599A (en) * | 2017-06-05 | 2017-10-24 | 上海力声特医学科技有限公司 | Evaluation method/system of antenna quality, readable storage medium storing program for executing, and electronic equipment |
| CN113709784A (en) * | 2021-09-08 | 2021-11-26 | 曼瑞检测科技（苏州）有限公司 | Adaptive analysis test system and method for wireless 6G |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106707041A (en) * | 2015-11-17 | 2017-05-24 | 中国移动通信集团广东有限公司 | Antenna performance analysis method and device based on frequency sweep data |
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| CN113709784A (en) * | 2021-09-08 | 2021-11-26 | 曼瑞检测科技（苏州）有限公司 | Adaptive analysis test system and method for wireless 6G |
| CN113709784B (en) * | 2021-09-08 | 2023-10-20 | 曼瑞检测科技（苏州）有限公司 | Self-adaptive analysis test system and test method for wireless 6G |
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Application publication date: 20130327 |