CN103916169A - Wireless signal monitoring equipment and method of LTE MIMO indoor optical fiber distribution system - Google Patents
Wireless signal monitoring equipment and method of LTE MIMO indoor optical fiber distribution system Download PDFInfo
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Abstract
The invention discloses wireless signal monitoring equipment and method of an LTE MIMO indoor optical fiber distribution system. The monitoring equipment comprises a slave monitoring part and a wireless signal RFID detection terminal, wherein a communication end of the slave monitoring part is connected with an integrated optical transceiver of a far-end slave and used for receiving a signal detection instruction sent by a near-end host computer and uploading monitoring result signals to the near-end host computer, a radio frequency output end and a radio frequency input end of the slave monitoring part are connected with a dual-polarized antenna of the LTE MIMO indoor optical fiber distribution system and used for outputting radio frequency test signals and inputting terminal feedback signals received by the dual-polarized antenna, and a control output end of the slave monitoring part is connected with an integrated power-amplifier low-noise-amplifier module of the far-end slave and used for outputting radio frequency output control signals to the far-end slave. The wireless signal RFID detection terminal communicates with the dual-polarized antenna and is used for receiving the radio frequency test signals and feeding the terminal feedback signals containing the identity information of a terminal to the dual-polarized antenna. The wireless signal monitoring equipment and method of the LTE MIMO indoor optical fiber distribution system can find network blind spots in time and optimize indoor LTE wireless network signals.
Description
Technical field
The present invention relates to Information & Communication Technology field, be specifically related to a kind of wireless signal monitoring Apparatus and method for for LTE MIMO indoor optical fiber distribution system.
Background technology
Along with the increase day by day of mobile data services demand, domestic each large operation commercial city has started the commercialization construction of LTE network, and indoor overlay network construction is the most important thing of 4G network second phase planning.MIMO technology is one of 4G core technology, and aspect raising network rate and quality, it is playing the part of key player.The newly-built indoor covering system of 4G generally adopts double-fed line mimo system.LTE MIMO indoor optical fiber distribution system, amplifies, transmits and control LTE indoor distribution network signal, reduces difficulty of construction, lowers the indoor cost of arranging net, and improves message transmission rate, improves communication quality and is playing the part of important role.
As shown in Figure 1, LTE MIMO indoor optical fiber distribution system comprises: LTE MIMO near-end main frame, LTE MIMO far-end slave, composite fiber optical cable and dual polarized antenna.The downlink transfer link of LTE MIMO indoor optical fiber distribution system is: base station signal 1 and base station signal 2, be coupled to LTE MIMO near-end main frame by feeder line, after LTE MIMO near-end host process, be sent to LTE MIMO far-end slave by composite fiber optical cable, LTE MIMO far-end slave to its information processing after, then carry out indoor coverage of signal by dual polarized antenna; Its up link is: after near the wireless messages that dual polarized antenna receives, terminal equipment sends, be transferred to LTE MIMO far-end slave, through LTE MIMO far-end slave, signal is processed to conversion, pass through again composite fiber optical cable transmission to LTE MIMO near-end main frame, the signal that LTE MIMO near-end main frame sends over remote termination carries out conversion process, is sent to base station by feeder line.
As shown in Figure 2, be the multichannel networking diagram of LTE MIMO indoor optical fiber distribution system.The LTE MIMO indoor optical fiber distribution system of multichannel networking comprises: LTE MIMO near-end main frame, composite fiber optical cable, LTEMIMO optical branching device, multiple LTE MIMO far-end slave, multiple dual polarized antenna and transmission feeder.In the networking of LTEMIMO indoor optical-fibre distribution multichannel, by LTE MIMO optical branching device, the remote equipment of LTE MIMO is carried out to multichannel distribution, networking, the LTE MIMO indoor optical fiber distribution system of its uplink downlink transmission means and Fig. 1 is roughly the same.
As shown in Figure 3, LTE MIMO near-end main frame comprises: duplexer, integrated up-downgoing frequency-variable module, radio frequency signal combiner, integrated radio-frequency traffic filter, integrated optical transceiver, main process equipment monitor portion, main process equipment Power supply part composition.The downstream signal handle link of LTE MIMO near-end main frame is: base station signal 1 is coupled by feeder line with base station signal 2, enter respectively each self-corresponding duplexer, by integrated up-downgoing frequency-variable module, after being down-converted to 1300MHz, radiofrequency signal closes road with base station signal 2 by radio frequency mixer, after the filtering of integrated radio-frequency traffic filter is processed, carry out light-to-current inversion by integrated optical transceiver, radiofrequency signal is modulated on the light carrier of 1550nm, the optical carrier after modulation is sent to LTE MIMO far-end slave by composite fiber optical cable; The upward signal handle link of LTE MIMO near-end main frame is: integrated optical transceiver receives after the light signal that LTE MIMO far-end slave brings by optical fiber transmission, it is carried out to light-to-current inversion, after the filtering of integrated radio-frequency traffic filter is processed, isolate two-way radiofrequency signal by radio frequency signal combiner, wherein a road upconverts to LTE communications band through integrated up-downgoing frequency-variable module, now two-way radiofrequency signal is passed through respectively corresponding duplexer, then is transported to base station by feeder line.
As shown in Figure 4, LTE MIMO far-end slave comprises: integrated optical transceiver, integrated radio-frequency traffic filter, radio frequency signal combiner, integrated up-downgoing frequency-variable module, integrated power amplifier LNA module, duplexer, slave monitoring of tools part, slave device power supply (DPS) power pack composition.The downstream signal handle link of LTE MIMO far-end slave is: integrated optical transceiver passes through light-to-current inversion after receiving the signal that LTE MIMO near-end main frame sends, through integrated radio-frequency traffic filter filtering processing, radiofrequency signal after treatment is isolated two-way radiofrequency signal through radio frequency signal combiner, wherein a road radiofrequency signal is by integrated Up/Down Conversion module, radiofrequency signal is upconverted to LTE communications band, now two-way radiofrequency signal, by each self-corresponding integrated power amplifier LNA module, it is carried out to radio-frequency power amplification respectively again, radiofrequency signal after amplification is launched radiofrequency signal by each self-corresponding duplexer respectively by dual polarized antenna, the upward signal handle link of LTE MIMO far-end slave is: after near the radiofrequency signal that dual polarized antenna receives, terminal equipment sends over, respectively by each self-corresponding duplexer, integrated power amplifier LNA is carried out low noise power amplification to upward signal, wherein rear radiofrequency signal is amplified through integrated Up/Down Conversion module in a road, be down-converted to 1400MHz, two-way radiofrequency signal is now closed road by radio frequency mixer and is entered integrated radio-frequency traffic filter filtering processing, radiofrequency signal after treatment is by the light wave of integrated optical transceiver modulation 1310nm, optical carrier after modulation is sent to LTE MIMO near-end main frame by composite fiber optical cable.
In the work engineering of LTE MIMO indoor optical fiber distribution system, because LTE communications band is higher, more than reaching 2GHz, and at present the building in metropolis is all reinforced concrete structure, very big to the decay of high-frequency signal, complicated space electromagnetic wave environment, add human factor, the variation fluctuation of LTE indoor signal will be larger, and this certainly will reduce the perception of the public to LTE signal quality.Therefore, also extremely urgent to the demand real-time, omnibearing intelligent monitoring of indoor LTE signal.
Summary of the invention
The present invention seeks to for 4G indoor communications demand, when LTE MIMO indoor optical fiber distribution system is provided, a kind of Apparatus and method for of real time intelligent control wireless signal is provided, realize indoor LTE wireless network signal optimizing, reducing patrol officer turns out for work, reduce generation dimension cost, improve communication quality.The object of the invention is realized by following technical scheme:
A kind of LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment, is characterized in that, comprising:
Slave monitor portion, its communication ends is connected with the integrated optical transceiver of the far-end slave of LTE MIMO indoor optical fiber distribution system, for receiving the input instruction of LTE MIMO indoor optical fiber distribution system near-end main frame transmission and uploading monitoring result signals to described near-end main frame; Its radio frequency output, rf inputs are connected with the dual polarized antenna of LTE MIMO indoor optical fiber distribution system, the terminal feedback signal receiving for exporting radio frequency testing signal and input dual polarized antenna; Its control output end is connected with the integrated power amplifier LNA module of described far-end slave, for exporting the radio frequency output control signal to described far-end slave;
At least one wireless signal RFID sense terminals, all with the communication of described dual polarized antenna wireless duplex, for receiving described radio frequency testing signal, and feedback packet is given described dual polarized antenna containing the terminal feedback signal of this terminal identity information.
As concrete technical scheme, described slave monitor portion comprises: processing unit, described communication ends and the control output end of slave monitor portion are provided, and drive output and signals collecting end are also provided; Radio frequency testing signal emission module, input connects the drive output of processing unit, and output connects the input of frequency division duplex device one side; Radio frequency testing signal receiving module, input connects the output of a side described in frequency division duplex device, and output connects the input of signal demodulator processing module; Signal demodulator processing module, output connects the input of ADC module; ADC module, output connects the signals collecting end of processing unit; Frequency division duplex device, its opposite side is connected with described dual polarized antenna.
As concrete technical scheme, described wireless signal RFID sense terminals comprises: terminal antenna, for the dual polarized antenna communication of LTE MIMO indoor optical fiber distribution system; Passive filtering device, is connected with terminal antenna; Constant amplifying circuit, is connected with passive filtering device; RFID transmission circuit, is connected with constant amplifying circuit; Power circuit, for providing working power.
As further technical scheme, above-mentioned watch-dog also comprises center host, is connected with LTE MIMO indoor optical fiber distribution system near-end main frame, receives described monitoring result signals.
As further technical scheme, above-mentioned watch-dog also comprises wireless maintenance personnel's hand-held terminal device, is connected with described center host, receives described testing result signal.
Based on a method for supervising for above-mentioned LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment, it is characterized in that, comprise the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion output control signal, control described far-end slave progressively reduces radio frequency output power by certain amplitude, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work.
As further technical scheme, said method also comprises: the monitoring result signals of the terminal feedback signal of the wireless signal RFID sense terminals receiving is sent to described near-end main frame by slave monitor portion, and near-end main frame is reported to monitoring result signals center host and wireless maintenance personnel's hand-held terminal device.
Based on a method for supervising for above-mentioned LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment, it is characterized in that, comprise the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion is according to the terminal feedback signal of each wireless signal RFID sense terminals, calculate the space path loss of dual polarized antenna to each wireless signal RFID sense terminals radiative process, determine the minimum emissive power of far-end slave according to maximum space path loss wherein, and export control signal, control described far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals modules in its overlay area, and control far-end slave by minimum emissive power work.
As further technical scheme, said method also comprises: the monitoring result signals of the terminal feedback signal of the wireless signal RFID sense terminals receiving is sent to described near-end main frame by slave monitor portion, and near-end main frame is reported to monitoring result signals center host and wireless maintenance personnel's hand-held terminal device.
Beneficial effect of the present invention is: coordinate with wireless signal RFID sense terminals module by slave monitor portion, realize LTE indoor distribution network signal is detected, processed and controls, discovering network blind spot in time, optimize indoor LTE wireless network signal, reducing patrol officer turns out for work, reduce generation dimension cost, improve communication quality.
Accompanying drawing explanation
Fig. 1 is LTE MIMO indoor optical fiber distribution system figure.
Fig. 2 is LTE MIMO indoor optical fiber distribution system multichannel networking diagram.
Fig. 3 is LTE MIMO indoor optical fiber distribution system near-end main frame theory diagram.
Fig. 4 is LTE MIMO indoor optical fiber distribution system far-end slave theory diagram.
The LTE MIMO indoor optical fiber distribution system slave monitoring of tools part theory diagram that Fig. 5 provides for the embodiment of the present invention.
The LTE MIMO indoor optical fiber distribution system wireless signal RFID sense terminals module principle block diagram that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
The LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment that the present embodiment provides comprises slave monitor portion and wireless signal RFID sense terminals.
Shown in Fig. 4 and Fig. 5, slave supervising device comprises: FPGA processing unit, ADC module, signal demodulator processing module, radio frequency testing signal emission module, radio frequency testing signal receiving module and frequency division duplex device.FPGA processing unit connects the integrated optical transceiver of LTE MIMO far-end slave, the input of radio frequency testing signal emission module connects the output of FPGA processing unit, the output of radio frequency testing signal emission module connects the input of a side of frequency division duplex device, the output of a side described in the input connection frequency division duplex device of radio frequency testing signal receiving module, the input of signal demodulator processing module connects the output of radio frequency testing signal receiving module, the input of ADC module connects the output of signal demodulator processing module, the output of ADC module connects FPGA processing unit, frequency division duplex device opposite side is connected with dual polarized antenna.
The downstream signal handle link of above-mentioned slave monitor portion is: FPGA processing unit reception LTE MIMO near-end main frame sends to the input instruction of LTE MIMO far-end slave, radio frequency testing signal emission module is processed and is exported in instruction, radio frequency testing signal emission module is according to the narrow radio frequency signal of dependent instruction output 2.45GHz, by frequency division duplex device, dual polarized antenna to space ambient radiation; The upward signal handle link of above-mentioned slave monitor portion is: dual polarized antenna receives after the narrow radio frequency signal of the 2.45GHz sending over from described wireless signal RFID sense terminals (referring to Fig. 6), enter radio frequency testing signal receiving module by frequency division duplex device, process through signal demodulator processing, ADC conversion, FPGA, after modulating by photoelectricity again, be sent to LTE MIMO near-end main frame.
As shown in Figure 6, wireless signal RFID sense terminals comprises: terminal antenna, passive filtering device, constant amplifying circuit, RFID transmission circuit, power circuit.Terminal antenna is used for the dual polarized antenna communication with LTE MIMO indoor optical fiber distribution system, passive filtering device connects antenna, constant amplifying circuit is connected with passive filtering device, and RFID transmission circuit is connected with constant amplifying circuit, and power circuit is used for providing working power.
The downstream signal handle link of above-mentioned wireless signal RFID sense terminals is: terminal antenna receives after the narrow radio frequency signal of the 2.45GHz sending over from the dual polarized antenna of LTE MIMO indoor optical fiber distribution system, by the filtering of passive filtering device, radiofrequency signal is amplified to processing through constant amplifying circuit again, then enter inserting RFID tags transmission circuit, RFID label is implemented to activate action; The upward signal handle link of wireless signal RFID sense terminals is: the narrow radio frequency signal of the 2.45GHz that contains relevant information that auto-returned is activated after RFID label is activated, by constant amplifying circuit amplification, filtering processing, launch by terminal antenna again, pass back to the dual polarized antenna of LTE MIMO indoor optical fiber distribution system.
Based on LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment provided above, the present embodiment provides a kind of method for supervising, comprises the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion output control signal, control described far-end slave progressively reduces radio frequency output power by certain amplitude, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work.
Said method also comprises: the monitoring result signals of the terminal feedback signal of the wireless signal RFID sense terminals receiving is sent to described near-end main frame by slave monitor portion, and near-end main frame is reported to monitoring result signals center host and wireless maintenance personnel's hand-held terminal device.
Related algorithm in above-mentioned monitor procedure is processed as follows:
LTE MIMO indoor optical fiber distribution system far-end slave is the narrow radio frequency signal to wireless signal RFID sense terminals module transmitting 2.45GHz by dual polarized antenna.Wherein transmitting power P
aTx(transmitting power P
aTx, unit: dBm, its value can read in real time), space path loss is L
s(unit: dB), filtering in RFID sense terminals, transmission line, interface loss are L
Δ(unit: dB, once the sizing of RFID sense terminals module, its value is constant), constant multiplication factor A in RFID sense terminals
d(unit: dB, once the sizing of RFID sense terminals module, its value is constant), the receiving sensitivity of RFID label is P
iDRx(unit: dBm, after RFID label dispatches from the factory, its value is constant), the transmitting power of RFID label is P
iDTx(unit: dBm, after RFID label dispatches from the factory, its value is constant), should meet as lower inequality when RFID label is activated:
P
ATx-L
S-L
Δ+A
D-P
IDRx>0 （1）
Once meet above-mentioned inequality (1), RFID label in wireless signal RFID sense terminals module is activated, after activation, this label carries the relevant information narrow radio frequency signal of a same frequency of transmitting (2.45GHz) automatically, this signal is by constant amplification, filtering, then to dual polarized antenna port, (dual polarized antenna port receiving sensitivity is P through antenna transmission
aRx, unit: dBm, after sizing, its value is constant), also to meet as lower inequality simultaneously:
P
IDTx+A
D-L
Δ-L
S-P
ARx>0 （2）
Once meet above-mentioned inequality (2), slave monitor portion receives wireless signal RFID sense terminals module and replys after the radio-frequency information that returns, enter radio frequency testing signal receiving module by frequency division duplex device, process through signal demodulator processing, ADC conversion, FPGA, parse RFID tag responses return information, after modulating by photoelectricity again, be sent to LTE MIMO indoor optical fiber distribution system near-end main frame, be reported on Surveillance center and wireless maintenance personnel's hand-held terminal device by monitoring application software.
Inequality (1) and inequality (2) are as long as there is one can not meet, LTE MIMO indoor optical fiber distribution system does not receive the RFID tag responses information wireless signal RFID sense terminals module in official hour from machine equipment, now just can judge LTE MIMO indoor optical fiber distribution system can not be polled to it and be originally placed in its wireless coverage area RFID sense terminals module from machine equipment, the LTE signal strength that is RFID sense terminals module position periphery is very faint, can not meet communicating requirement.
After inequality (1) and inequality (2) meet, LTE MIMO indoor optical fiber distribution system can be polled to the RFID sense terminals module of its overlay area well from machine equipment.
Based on LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment provided above, the present embodiment provides another kind of method for supervising, comprises the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion is according to the terminal feedback signal of each wireless signal RFID sense terminals, calculate the space path loss of dual polarized antenna to each wireless signal RFID sense terminals radiative process, determine the minimum emissive power of far-end slave according to maximum space path loss wherein, and export control signal, control described far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals modules in its overlay area, and control far-end slave by minimum emissive power work.
In above-described embodiment, wireless signal RFID sense terminals is implemented half-duplex operation, and RFID label receives after information, automatic-answering back device return information, and this detection mode is simplified the volume of terminal greatly, improves the detection performance of terminal.Wireless signal RFID sense terminals small volume, can be integrated in emergency access direction board on corridor wall, in emergency light place, elevator card board, all places that need monitoring such as illuminating lamp place, underground parking.
Beneficial effect of the present invention is: a. can carry out 24 hours Real-Time Monitorings of whole day to indoor LTE wireless signal; B. can carry out comprehensive SS to indoor LTE wireless signal; C. system host can be to regulating from machine equipment carrying out automatic gain and controlling according to monitoring information; D. half-duplex RF ID communication check mode is simplified terminal module volume, improves terminal detection module performance; E. turn out for work without signal patrol officer, reduce maintenance cost; F., triggering monitoring mode is provided, implements timing monitoring; G. according to LTE wireless signal coverage in Check processing information capable of dynamic control room.
Claims (9)
1. a LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment, is characterized in that, comprising:
Slave monitor portion, its communication ends is connected with the integrated optical transceiver of the far-end slave of LTE MIMO indoor optical fiber distribution system, for receiving the input instruction of LTE MIMO indoor optical fiber distribution system near-end main frame transmission and uploading monitoring result signals to described near-end main frame; Its radio frequency output, rf inputs are connected with the dual polarized antenna of LTE MIMO indoor optical fiber distribution system, the terminal feedback signal receiving for exporting radio frequency testing signal and input dual polarized antenna; Its control output end is connected with the integrated power amplifier LNA module of described far-end slave, for exporting the radio frequency output control signal to described far-end slave;
At least one wireless signal RFID sense terminals, all with the communication of described dual polarized antenna wireless duplex, for receiving described radio frequency testing signal, and feedback packet is given described dual polarized antenna containing the terminal feedback signal of this terminal identity information.
2. LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment according to claim 1, it is characterized in that, described slave monitor portion comprises: processing unit, described communication ends and the control output end of slave monitor portion are provided, and drive output and signals collecting end are also provided; Radio frequency testing signal emission module, input connects the drive output of processing unit, and output connects the input of frequency division duplex device one side; Radio frequency testing signal receiving module, input connects the output of a side described in frequency division duplex device, and output connects the input of signal demodulator processing module; Signal demodulator processing module, output connects the input of ADC module; ADC module, output connects the signals collecting end of processing unit; Frequency division duplex device, its opposite side is connected with described dual polarized antenna.
3. LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment according to claim 2, it is characterized in that, described wireless signal RFID sense terminals comprises: terminal antenna, for the dual polarized antenna communication of LTE MIMO indoor optical fiber distribution system; Passive filtering device, is connected with terminal antenna; Constant amplifying circuit, is connected with passive filtering device; RFID transmission circuit, is connected with constant amplifying circuit; Power circuit, for providing working power.
4. LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment according to claim 1, is characterized in that, also comprises center host, is connected with LTE MIMO indoor optical fiber distribution system near-end main frame, receives described monitoring result signals.
5. LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment according to claim 4, is characterized in that, also comprises wireless maintenance personnel's hand-held terminal device, is connected with described center host, receives described testing result signal.
6. the method for supervising based on LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment claimed in claim 1, is characterized in that, comprises the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion output control signal, control described far-end slave progressively reduces radio frequency output power by certain amplitude, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals in its overlay area, and control far-end slave by minimum emissive power work.
7. one kind based on method for supervising claimed in claim 6, it is characterized in that, also comprise: the monitoring result signals of the terminal feedback signal of the wireless signal RFID sense terminals receiving is sent to described near-end main frame by slave monitor portion, and near-end main frame is reported to monitoring result signals center host and wireless maintenance personnel's hand-held terminal device.
8. the method for supervising based on LTE MIMO indoor optical fiber distribution system wireless signal monitoring equipment claimed in claim 1, is characterized in that, comprises the following steps:
(1) slave monitor portion receives near-end main frame and sends to the input instruction of far-end slave, according to instruction output radio frequency testing signal, and by dual polarized antenna to the original wireless coverage area radiation of laying wireless signal RFID sense terminals;
(2) whether the judgement of slave monitor portion receives the terminal feedback signal of all wireless signal RFID sense terminals at the appointed time, is to enter step (3a), otherwise enters step (3b);
(3a) slave monitor portion is according to the terminal feedback signal of each wireless signal RFID sense terminals, calculate the space path loss of dual polarized antenna to each wireless signal RFID sense terminals radiative process, determine the minimum emissive power of far-end slave according to maximum space path loss wherein, and export control signal, control described far-end slave by minimum emissive power work;
(3b) slave monitor portion output control signal, control the power that described far-end slave increases radio frequency output, and definite far-end slave can be polled to the minimum emissive power of all RFID sense terminals modules in its overlay area, and control far-end slave by minimum emissive power work.
9. one kind based on method for supervising claimed in claim 8, it is characterized in that, also comprise: the monitoring result signals of the terminal feedback signal of the wireless signal RFID sense terminals receiving is sent to described near-end main frame by slave monitor portion, and near-end main frame is reported to monitoring result signals center host and wireless maintenance personnel's hand-held terminal device.
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| CN106162701A (en) * | 2016-07-20 | 2016-11-23 | 浙江昱能科技有限公司 | A kind of communications setting amending method of wireless communication network |
| CN112600610A (en) * | 2020-12-09 | 2021-04-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Beidou communication module testing method, device, equipment and storage medium |
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