CN110289683A - Micro-capacitance sensor network transmission performance monitoring system and implementation method based on NB-IOT - Google Patents
Micro-capacitance sensor network transmission performance monitoring system and implementation method based on NB-IOT Download PDFInfo
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- CN110289683A CN110289683A CN201910503672.7A CN201910503672A CN110289683A CN 110289683 A CN110289683 A CN 110289683A CN 201910503672 A CN201910503672 A CN 201910503672A CN 110289683 A CN110289683 A CN 110289683A
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- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 12
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- 230000007613 environmental effect Effects 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 6
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- 238000004146 energy storage Methods 0.000 claims description 4
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- 229910002090 carbon oxide Inorganic materials 0.000 description 2
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Classifications
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- H02J13/0062—
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Abstract
The invention discloses a kind of monitoring of micro-capacitance sensor network transmission performance and implementation method based on NB-IOT.It includes scene equipment level, transport network layer and platform application layer.Scene equipment level includes micro-capacitance sensor environment information acquisition system, field device monitoring system and NB-IOT terminal, and transport network layer includes the base station NB-IOT and core net, and platform application layer includes micro-capacitance sensor environment information acquisition system and field device monitoring system.NB-IOT terminal is while sending the data such as the environment of acquisition, equipment operation, the MCU module of NB-IOT terminal, which passes through AT instruction and obtains current demand signal and receive the network performance parameters such as power and be packaged into JSON data and be packaged into MQTT agreement, is sent to micro-capacitance sensor network transmission performance monitor supervision platform, micro-capacitance sensor network transmission performance monitor supervision platform is remotely connect by WebSocket with the base station NB-IOT and core net, by issuing the network performance parameters such as API instruction acquisition equipment connection number and showing analysis, so that start and stop, the maintenance etc. to field device make a policy.
Description
Technical field
The present invention relates to micro-capacitance sensor and Internet of Things development fields, specifically design a kind of micro-capacitance sensor network biography based on NB-IOT
Defeated performance monitoring system and implementation method.
Background technique
Micro-capacitance sensor refers to by groups such as distributed generation resource, energy storage device, energy conversion device, load, monitoring and protective devices
At small-sized electric system.The it is proposed of micro-capacitance sensor aims at flexible, the efficient application of distributed generation resource, and it is huge to solve quantity
Greatly, the grid-connected problem of various informative distributed generation resource.Exploitation and extension micro-capacitance sensor can sufficiently promote distributed generation resource and can be again
The extensive access of the raw energy is realized and is supplied to the high reliability of load various energy resources form, is to realize active power distribution network
A kind of effective means makes traditional power grid to smart grid transition.
The communication of existing micro-capacitance sensor uses a transmission bandwidth of narrowband Internet of Things 180KHz to carry out environment, equipment
The transmission of the data such as operation, but intensity, signal receiving quality, the transmission speed of signal are received for equipment in transmission process
The network performance parameters such as rate, the connection status of equipment lack the analysis method of intuitive, in the situation that some network environments are poor
The significant data lost can not be found so as to cause serious consequence down.
Summary of the invention
It is an object of the invention to be directed to the deficiency of prior art, a kind of micro-capacitance sensor network transmission based on NB-IOT is provided
Performance monitoring system and implementation method, to the network of micro-capacitance sensor environment information acquisition system and micro-capacitance sensor field device monitoring system
Transmission performance is monitored in real time, is solved due to a lack of the monitoring bring security risk to network transmission performance, lifting system
Comprehensive safety is horizontal, thus the performance of lifting system on the whole.
In order to achieve the above objectives, the technical solution adopted by the present invention to solve the technical problems:
A kind of micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, including scene equipment level, transport network layer
With platform application layer；The scene equipment level includes micro-capacitance sensor environment information acquisition system, micro-capacitance sensor field device monitoring system
With NB-IOT terminal；The transport network layer includes the base station NB-IOT and NB-IOT core net；The platform application layer includes micro-
The monitoring of power grid environment information acquisition system network data transmission and the monitoring of micro-capacitance sensor field device monitoring system network data transmission.
The scene equipment level includes micro-capacitance sensor environment information acquisition system, micro-capacitance sensor field device monitoring system and NB-
IOT terminal；The micro-capacitance sensor environment information acquisition system includes temperature-humidity monitoring equipment, carbon monoxide content monitoring device, two
Content of carbon oxide monitoring device, air monitoring equipment and intensity monitor equipment are responsible for the environmental information number at acquisition micro-capacitance sensor scene
According to；The micro-capacitance sensor field device monitoring system include distribution system measurement and control unit, photovoltaic energy storage system monitoring unit, wind-force simultaneously
Net electricity generation system measurement and control unit, grid-connected photovoltaic system measurement and control unit, diesel generating system measurement and control unit are responsible for the micro- electricity of acquisition
The operation data of net field device simultaneously controls micro-capacitance sensor field device；The NB-IOT terminal include MCU main control module,
Power supply module, NB-IOT wireless module and RS485 interface module, RS485 interface module are responsible for NB-IOT terminal and micro-capacitance sensor ring
The data interaction of border information acquisition system and micro-capacitance sensor field device monitoring system, MCU main control module are responsible for micro-capacitance sensor environment
The data of information acquisition system and micro-capacitance sensor field device monitoring system are sent to platform application layer by NB-IOT wireless module
Micro-capacitance sensor intelligent monitoring platform while, to NB-IOT wireless module send AT instruction obtain current network reference signal connect
Receive power (RSRP), received signal strength (RSSI), Reference Signal Received Quality (RSRQ), signal-to-noise ratio (SNR), on data channel
The performance parameters such as downlink transfer total amount of byte (UL_total_bytes DL_total_bytes).
The transport network layer includes the base station NB-IOT and NB-IOT core net；The base station NB-IOT provides NB-IOT net
The signal of network covers, and NB-IOT terminal is set up with the base station NB-IOT by RRC connection and connect, to carry out various environment, survey
The transmission of data and network performance parameter, the base station NB-IOT receive environment, equipment operating data and the net that NB-IOT terminal is sent
Network performance parameter is simultaneously forwarded to NB-IOT core net by S1 interface, while supporting response micro-capacitance sensor protenchyma intranet network transmission
Performance monitoring platform is instructed by establishing the API that remote web socket connection issues, the network performance parameter of returning response；Institute
It states NB-IOT core net and passes through environment, equipment operating data and the network performance parameter of the transmission of the base station S1 interface NB-IOT simultaneously
By SGW gateway forwards to micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, while supporting response micro-capacitance sensor narrowband
Internet of Things network transmission performance monitor supervision platform is instructed by establishing the API that remote web socket connection issues, the net of returning response
Network performance parameter.
The platform application layer is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, including micro-capacitance sensor environment is believed
Cease the monitoring of acquisition system network data transmission and the monitoring of micro-capacitance sensor field device monitoring system network data transmission；The micro-capacitance sensor
Environment information acquisition grid data transmission of monitoring is responsible for carrying out environmental data for micro-capacitance sensor environment information acquisition system
Network performance parameter in transmission process carries out display analysis, show analysis parameter mainly include Reference Signal Received Power,
Received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC are connected into
Function quantity, uplink and downlink rate；The micro-capacitance sensor field device monitoring system network data transmission monitoring is responsible for existing for micro-capacitance sensor
Field device monitoring system run and controlled data transmission in network performance parameter carry out display analysis, show analysis
Parameter mainly includes Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission
Total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate.
A kind of implementation method of the micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, the specific steps are as follows:
1) environment of micro-capacitance sensor environment information acquisition system and micro-capacitance sensor field device monitoring system, on equipment operating data
NB-IOT terminal is reached, RRC is established with the base station NB-IOT and connect, and data are uploaded to the transmission of micro-capacitance sensor protenchyma intranet network
Performance monitoring platform；
2) the MCU main control module of NB-IOT terminal obtains current network by sending AT instruction to NB-IOT wireless module
Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, data channel downstream transmission byte
Total performance parameter, and be packaged into JSON data packet format and sent by MQTT agreement；
3) micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform is established remote by Websocket and the base station NB-IOT
Journey connection, and issue API instruction and obtain the performance parameters such as downstream transmission rate, RRC successful connection quantity, micro-capacitance sensor protenchyma
Intranet network transmission performance monitor supervision platform is remotely connect by Websocket with the foundation of NB-IOT core net, and issues API instruction
Obtain the network performances such as equipment connection number；
4) micro-capacitance sensor environment information acquisition grid data transmission of monitoring
By analyzing Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, uplink and downlink
The network parameters such as total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate are transmitted, to current micro-capacitance sensor environment
The network transmission environment of information acquisition system makes assessment, so that start and stop, the maintenance to field device make a policy；Micro-capacitance sensor is existing
The monitoring of field device monitoring system network data transmission passes through analysis Reference Signal Received Power, received signal strength, reference signal
The nets such as the quality of reception, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate
Network parameter makes assessment to the network transmission environment of current micro-capacitance sensor field device monitoring system, to open field device
Stop, safeguard and make a policy.
Compared with existing system, the present invention have following obvious prominent substantive distinguishing features and significant technology into
Step:
The method of the present invention sends environment, equipment operation in NB-IOT terminal by the MCU main control module in NB-IOT terminal
Etc. data while, to NB-IOT wireless module send AT instruction obtain current network Reference Signal Received Power, receive letter
The performance parameters such as number intensity, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission total amount of byte, micro-capacitance sensor network transmission
Energy monitor supervision platform is established with the base station NB-IOT by Websocket and is remotely connect, and it is fast to issue API instruction acquisition downstream transmission
The performance parameters such as rate, RRC successful connection quantity, micro-capacitance sensor network transmission performance monitor supervision platform pass through Websocket and NB-IOT
Core net establishes long-range connection, and issues API instruction and obtain the network performances such as equipment connection number, realizes and believes micro-capacitance sensor environment
The network transmission performance of breath acquisition system and micro-capacitance sensor field device monitoring system is monitored in real time, solves network transmission
The problem of energy poor intuition.
The present invention is by micro-capacitance sensor network transmission performance monitor supervision platform to micro-capacitance sensor environment information acquisition system and micro-capacitance sensor
The network transmission environment of field device monitoring system carries out real-time monitoring and makes assessment and decision, solves due to a lack of to network
The problem of monitoring bring security risk of transmission performance, greatly improve the safety and reliability of system.
Detailed description of the invention
Fig. 1 is that the present invention is based on the frame diagrams of the micro-capacitance sensor network transmission performance monitoring system of NB-IOT.
Fig. 2 is the long-range connection of micro-capacitance sensor network transmission performance monitor supervision platform of the present invention and the base station NB-IOT and core net
Figure.
Fig. 3 is that present system is the experiment flow figure based on SDR experiment porch.
Fig. 4 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform received signal quality (RSRQ) of the present invention monitoring
Figure.
Fig. 5 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform Reference Signal Received Power (RSRP) of the present invention
Monitoring figure.
Fig. 6 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform received signal intensity (RSSI) of the present invention prison
Mapping.
Fig. 7 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform signal-to-noise ratio (SNR) of the present invention monitoring figure.
Fig. 8 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform uplink byte number of the present invention monitoring figure.
Fig. 9 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform downlink transfer byte number of the present invention monitoring figure.
Figure 10 is that micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform of the present invention connects number of devices monitoring figure.
Figure 11 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform RRC successful connection number of the present invention monitoring figure.
Figure 12 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform uplink transmission rate of the present invention monitoring figure.
Figure 13 is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform downlink transmission rate of the present invention monitoring figure.
Figure 14 is network system realization of embodiment of the present invention flow chart.
Specific embodiment
In order to which technical solution of the present invention and advantage is more clearly understood, preferred embodiment below combination attached drawing is to this hair
It is bright to be further elaborated.
As shown in Figure 1, a kind of micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, including scene equipment level,
Transport network layer and platform application layer；The scene equipment level includes that micro-capacitance sensor environment information acquisition system, micro-capacitance sensor scene are set
Standby monitoring system and NB-IOT terminal；The transport network layer includes the base station NB-IOT and NB-IOT core net；The platform is answered
It include micro-capacitance sensor environment information acquisition grid data transmission of monitoring and micro-capacitance sensor field device monitoring system network number with layer
According to transmission of monitoring.
The scene equipment level includes micro-capacitance sensor environment information acquisition system, micro-capacitance sensor field device monitoring system and NB-
IOT terminal；The micro-capacitance sensor environment information acquisition system includes temperature-humidity monitoring equipment, carbon monoxide content monitoring device, two
Content of carbon oxide monitoring device, air monitoring equipment and intensity monitor equipment are responsible for the environmental information number at acquisition micro-capacitance sensor scene
According to；The micro-capacitance sensor field device monitoring system include distribution system measurement and control unit, photovoltaic energy storage system monitoring unit, wind-force simultaneously
Net electricity generation system measurement and control unit, grid-connected photovoltaic system measurement and control unit, diesel generating system measurement and control unit are responsible for the micro- electricity of acquisition
The operation data of net field device simultaneously controls micro-capacitance sensor field device；The NB-IOT terminal include MCU main control module,
Power supply module, NB-IOT wireless module and RS485 interface module, RS485 interface module are responsible for NB-IOT terminal and micro-capacitance sensor ring
The data interaction of border information acquisition system and micro-capacitance sensor field device monitoring system, MCU main control module are responsible for micro-capacitance sensor environment
The data of information acquisition system and micro-capacitance sensor field device monitoring system are sent to platform application layer by NB-IOT wireless module
Micro-capacitance sensor intelligent monitoring platform while, to NB-IOT wireless module send AT instruction obtain current network reference signal connect
Receive power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, data channel downstream transmission total amount of byte performance ginseng
Number.
The transport network layer includes the base station NB-IOT and NB-IOT core net；The base station NB-IOT provides NB-IOT net
The signal of network covers, and NB-IOT terminal is set up with the base station NB-IOT by RRC connection and connect, to carry out various environment, survey
The transmission of data and network performance parameter, the base station NB-IOT receive environment, equipment operating data and the net that NB-IOT terminal is sent
Network performance parameter is simultaneously forwarded to NB-IOT core net by S1 interface, while supporting response micro-capacitance sensor protenchyma intranet network transmission
Performance monitoring platform is instructed by establishing the API that remote web socket connection issues, the network performance parameter of returning response；Institute
It states NB-IOT core net and passes through environment, equipment operating data and the network performance parameter of the transmission of the base station S1 interface NB-IOT simultaneously
By SGW gateway forwards to micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, while supporting response micro-capacitance sensor narrowband
Internet of Things network transmission performance monitor supervision platform is instructed by establishing the API that remote web socket connection issues, the net of returning response
Network performance parameter, as shown in Figure 2.
The platform application layer is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, including micro-capacitance sensor environment is believed
Cease the monitoring of acquisition system network data transmission and the monitoring of micro-capacitance sensor field device monitoring system network data transmission；The micro-capacitance sensor
Environment information acquisition grid data transmission of monitoring is responsible for carrying out environmental data for micro-capacitance sensor environment information acquisition system
Network performance parameter in transmission process carries out display analysis, show analysis parameter mainly include Reference Signal Received Power,
Received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC are connected into
Function quantity, uplink and downlink rate；The micro-capacitance sensor field device monitoring system network data transmission monitoring is responsible for existing for micro-capacitance sensor
Field device monitoring system run and controlled data transmission in network performance parameter carry out display analysis, show analysis
Parameter mainly includes Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission
Total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate.
As shown in figure 3, carrying out emulation experiment using SDR experiment porch, specific experiment flow and micro-capacitance sensor network are passed
The network performance parameter of defeated performance monitoring platform monitoring.
If Fig. 4 to Figure 13 is the broken line that the network performance parameter that micro-capacitance sensor network transmission performance monitor supervision platform monitors changes
Figure, for a portion parameter from NB-IOT terminal while sending environment, equipment operating data, MCU main control module is logical
It crosses and sends Reference Signal Received Power (RSRP), the received signal strength that AT instruction obtains current network to NB-IOT wireless module
(RSSI), Reference Signal Received Quality (RSRQ), signal-to-noise ratio (SNR), downstream transmission total amount of byte (UL_total_bytes
) etc. DL_total_bytes performance parameters, the specific format for obtaining network performance parameter are as follows:
1) when sending AT+QENG=0:
| First | Second | Third position | 4th | 5th | 6th |
| 0 | Sc_earfn | sc_earfcn_offset | sc_pci | sc_cellid | sc_rsrp |
| 7th | 8th | 9th | Tenth | 11st | 12nd |
| sc_rsrq | sc_rssi | sc_snr | sc_band | sc_tac | sc_ecl |
Wherein, the meaning for receiving the parameters of data is as follows:
First: indicating that RI radio intelligence is shown；
Second: the integer value of the RF spot number (EARFCN) of service unit lattice is indicated；
Third position: the offset of the RF spot number (EARFCN) of service unit lattice is indicated；
4th: indicating the integer value of service unit physical unit ID；
5th: indicating 4 bytes (28) cell ID of the 16 system formats for service unit lattice；
6th: indicating the service unit Reference Signal Received Power (RSRP) as unit of dBm；
7th: indicating the service unit Reference Signal Received Quality (RSRQ) as unit of dB；
8th: indicating the service unit signal receiving strength (RSSI) as unit of dBm；
9th: indicating the snr value (SNR) of the service unit as unit of dB；
Tenth: indicating serving cell frequency band；
11st: indicating the double byte Tracking Area Code (TAC) of hexadecimal format；
12nd: indicating last enhancing coverage rate rank (ECL) value of service unit.
2) when sending AT+QENG=1:
| First | Second | Third position |
| 1 | RLC_UL_BLER | RLC_DL_BLER |
| 4th | 5th | 6th |
| MAC_UL_BLER | MAC_DL_BLER | MAC_UL_total_bytes |
| 7th | 8th | 9th |
| MAC_DL_total_bytes | MAC_UL_total_HARQ_TX | MAC_DL_total_HARQ_TX |
| Tenth | 11st | 12nd |
| MAC_UL_HARQ_re_TX | MAC_DL_HARQ_re_TX | RLC_UL_tput |
| 13rd | 14th | 15th |
| RLC_DL_tput | MAC_UL_tput | MAC_DL_tput |
Wherein, the meaning for receiving the parameters of data is as follows:
First: indicating that data transmission information is shown；
Second: it indicates the error rate of the uplink transmission block in rlc layer, indicates (range is from 0 to 100) with % value；
Third position: it indicates the error rate of the downstream transmission blocks in rlc layer, indicates (range is from 0 to 100) with % value；
4th: indicating the error rate (pressing HARQ) of the transmitting uplink data transmission block in MAC layer, indicated with % value
(range is from 0 to 100)；
5th: indicating the error rate (pressing HARQ) of the downlink data transmission transmission block in MAC layer, indicated with % value
(range is from 0 to 100)；
6th: indicating the transmitting uplink data transmission block total amount of byte in MAC layer, calculate uplink transport channel institute
There is HARQ transmission and retransmits defeated；
7th: indicating the downlink data transmission transmission block total amount of byte in MAC layer, calculate descending transmission channel institute
There is HARQ transmission and retransmits defeated；
8th: indicate MAC layer in transmitting uplink data channel retransmit transmission it is total fastly, including from be successfully established/
Restore/re-establish RRC connection to start to calculate；
9th: indicate MAC layer in downlink data transmission channel retransmit transmission it is total fastly, including from be successfully established/
Restore/re-establish RRC connection to start to calculate；
Tenth: indicating the HARQ number of retransmissions of the transmission block of MAC layer transmitting uplink data channel；
11st: indicating the HARQ number of retransmissions of the transmission block of MAC layer downlink data transmission channel；
12nd: indicating RLC uplink throughput, calculate all established RLC AM radio carriers；
13rd: indicating RLC downlink throughput capacity, calculate all established RLC AM radio carriers；
14th: indicating the handling capacity of MAC layer transmitting uplink data channel；
15th: indicating the handling capacity of MAC layer downlink data transmission channel.
The network performance parameter obtained from NB-IOT terminal is packaged into JSON data packet format and is sent by MQTT agreement,
In each parameter meaning it is as follows:
| Parameter name: | Meaning of parameters: |
| RSRP | Reference Signal Received Power |
| RSRQ | Reference Signal Received Quality |
| RSSI | Signal receiving strength |
| SNR | Signal-to-noise ratio |
| UL_total_bytes | Uplink receiving total bytes |
| DL_total_bytes | Uplink receiving total bytes |
Micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform is by establishing remote web socket connection NB- simultaneously
The base station IOT and NB-IOT core net, by issuing API instruction, the net that the base station NB-IOT of acquisition and NB-IOT core net return
The meaning of network performance parameter, the performance parameter of return is as follows:
| Performance parameter name | rrc_connection_complete | dl_bitrate | ul_bitrate | connected_ue_count |
| Performance parameter meaning | RRC successful connection quantity | Downlink transmission rate | Uplink transmission rate | Equipment connection number |
Fig. 4 to Figure 13 is that micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform is obtaining network of relation performance parameter
While, the line chart of display analysis is carried out, the meaning that each figure indicates is as follows:
Fig. 4 is signal receiving quality (RSRQ) monitoring figure, the signal-to-noise ratio and interference water of reflection and instruction present channel quality
It is flat.
Fig. 5 is Reference Signal Received Power (RSRP) monitoring figure, reflects the path loss intensity of present channel.
Fig. 6 is received signal intensity (RSSI) monitoring figure, reflects the received signal strength and interference strength of present channel.
Fig. 7 is signal-to-noise ratio (SNR) monitoring figure, reflects the link-quality of present channel.
Fig. 8 is uplink byte number monitoring figure, reflects the total amount of data of current uplink.
Fig. 9 is downlink transfer byte number monitoring figure, the total amount of data of reflection current downlink transmission.
Figure 10 is equipment connection number monitoring figure, and reflection is currently at the number of devices that connection status is currently running.
Figure 11 is RRC successful connection number monitoring figure, and reflection equipment success establishes the number that RRC is connect with the base station NB-IOT
Figure 12 is uplink transmission rate monitoring figure, reflects the rate size of current uplink.
Figure 13 is downlink transmission rate monitoring figure；Reflect the rate size of current downlink transmission.
As shown in figure 14, a kind of implementation method of the micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, specifically
Steps are as follows:
1) environment of micro-capacitance sensor environment information acquisition system and micro-capacitance sensor field device monitoring system, on equipment operating data
NB-IOT terminal is reached, RRC is established with the base station NB-IOT and connect, and data are uploaded to the transmission of micro-capacitance sensor protenchyma intranet network
Performance monitoring platform；
2) the MCU main control module of NB-IOT terminal obtains current network by sending AT instruction to NB-IOT wireless module
Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, data channel downstream transmission byte
Total performance parameter, and be packaged into JSON data packet format and sent by MQTT agreement；
3) micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform is established remote by Websocket and the base station NB-IOT
Journey connection, and issue API instruction and obtain the performance parameters such as downstream transmission rate, RRC successful connection quantity, micro-capacitance sensor protenchyma
Intranet network transmission performance monitor supervision platform is remotely connect by Websocket with the foundation of NB-IOT core net, and issues API instruction
Obtain the network performances such as equipment connection number；
4) micro-capacitance sensor environment information acquisition grid data transmission of monitoring
By analyzing Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, uplink and downlink
The network parameters such as total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate are transmitted, to current micro-capacitance sensor environment
The network transmission environment of information acquisition system makes assessment, so that start and stop, the maintenance to field device make a policy；Micro-capacitance sensor is existing
The monitoring of field device monitoring system network data transmission passes through analysis Reference Signal Received Power, received signal strength, reference signal
The nets such as the quality of reception, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate
Network parameter makes assessment to the network transmission environment of current micro-capacitance sensor field device monitoring system, to open field device
Stop, safeguard and make a policy.
Claims (5)
1. a kind of micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, which is characterized in that including scene equipment level, net
Network transport layer and platform application layer；The scene equipment level includes micro-capacitance sensor environment information acquisition system, micro-capacitance sensor field device
Monitoring system and NB-IOT terminal；The transport network layer includes the base station NB-IOT and NB-IOT core net；The platform application
Layer includes micro-capacitance sensor environment information acquisition grid data transmission of monitoring and micro-capacitance sensor field device monitoring system network data
Transmission of monitoring.
2. the micro-capacitance sensor network transmission performance monitoring system according to claim 1 based on NB-IOT, which is characterized in that institute
Stating scene equipment level includes micro-capacitance sensor environment information acquisition system, micro-capacitance sensor field device monitoring system and NB-IOT terminal；Institute
Stating micro-capacitance sensor environment information acquisition system includes temperature-humidity monitoring equipment, carbon monoxide content monitoring device, carbon dioxide content
Monitoring device, air monitoring equipment and intensity monitor equipment are responsible for the environmental information data at acquisition micro-capacitance sensor scene；Micro- electricity
Net field device monitoring system includes distribution system measurement and control unit, photovoltaic energy storage system monitoring unit, wind power grid-connected generating system
Measurement and control unit, grid-connected photovoltaic system measurement and control unit, diesel generating system measurement and control unit are responsible for acquisition micro-capacitance sensor field device
Operation data and micro-capacitance sensor field device is controlled；The NB-IOT terminal include MCU main control module, power supply module,
NB-IOT wireless module and RS485 interface module, RS485 interface module are responsible for NB-IOT terminal and micro-capacitance sensor environment information acquisition
The data interaction of system and micro-capacitance sensor field device monitoring system, MCU main control module are responsible for micro-capacitance sensor environment information acquisition system
The data of system and micro-capacitance sensor field device monitoring system are sent to the micro-capacitance sensor intelligence of platform application layer by NB-IOT wireless module
While energy monitor supervision platform, the Reference Signal Received Power of AT instruction acquisition current network is sent to NB-IOT wireless module, is connect
Receive signal strength, Reference Signal Received Quality, signal-to-noise ratio, data channel downstream transmission total amount of byte performance parameter.
3. the micro-capacitance sensor network transmission performance monitoring system according to claim 1 based on NB-IOT, which is characterized in that institute
Stating transport network layer includes the base station NB-IOT and NB-IOT core net；The signal that the base station NB-IOT provides NB-IOT network covers
Lid, NB-IOT terminal is set up with the base station NB-IOT by RRC connection and is connect, to carry out various environment, measured data and network
The transmission of performance parameter, the base station NB-IOT receive environment, equipment operating data and the network performance parameter that NB-IOT terminal is sent
And NB-IOT core net is forwarded to by S1 interface, while supporting response micro-capacitance sensor protenchyma intranet network transmission performance monitoring flat
Platform is instructed by establishing the API that remote web socket connection issues, the network performance parameter of returning response；The NB-IOT core
Heart Netcom crosses environment, equipment operating data and the network performance parameter of the base station interface NB-IOT S1 transmission and by SGW net
Pass is forwarded to micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, while supporting response micro-capacitance sensor protenchyma intranet network
Transmission performance monitor supervision platform is instructed by establishing the API that remote web socket connection issues, the network performance ginseng of returning response
Number.
4. the micro-capacitance sensor network transmission performance monitoring system according to claim 1 based on NB-IOT, which is characterized in that institute
Stating platform application layer is micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform, including micro-capacitance sensor environment information acquisition system
Network data transmission monitoring and the monitoring of micro-capacitance sensor field device monitoring system network data transmission；The micro-capacitance sensor environmental information is adopted
The monitoring of collecting system network data transmission is responsible for for micro-capacitance sensor environment information acquisition system in carrying out environmental data transmission process
Network performance parameter carry out display analysis, show analysis parameter mainly include Reference Signal Received Power, receive signal it is strong
Degree, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC successful connection quantity, up and down
Scanning frequency rate；The micro-capacitance sensor field device monitoring system network data transmission monitoring, which is responsible for monitoring micro-capacitance sensor field device, is
Unite run and controlled data transmission in network performance parameter carry out display analysis, show that the parameter of analysis mainly includes
Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission total amount of byte, equipment
Connection number, RRC successful connection quantity, uplink and downlink rate.
5. a kind of implementation method of the micro-capacitance sensor network transmission performance monitoring system based on NB-IOT, which is characterized in that specific step
It is rapid as follows:
1) environment, the equipment operating data of micro-capacitance sensor environment information acquisition system and micro-capacitance sensor field device monitoring system are uploaded to
NB-IOT terminal is established RRC with the base station NB-IOT and is connect, and data are uploaded to micro-capacitance sensor protenchyma intranet network transmission performance
Monitor supervision platform；
2) the MCU main control module of NB-IOT terminal is by sending the reference that AT instruction obtains current network to NB-IOT wireless module
Signal reception power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, data channel downstream transmission total amount of byte
Performance parameter, and be packaged into JSON data packet format and sent by MQTT agreement；
3) micro-capacitance sensor protenchyma intranet network transmission performance monitor supervision platform is established by the base station Websocket and NB-IOT and is remotely connected
It connects, and issues API instruction and obtain the performance parameters such as downstream transmission rate, RRC successful connection quantity, micro-capacitance sensor narrowband Internet of Things
Network transmission performance monitor supervision platform is remotely connect by Websocket with the foundation of NB-IOT core net, and is issued API instruction and obtained
The network performances such as equipment connection number；
4) micro-capacitance sensor environment information acquisition grid data transmission of monitoring
By analyzing Reference Signal Received Power, received signal strength, Reference Signal Received Quality, signal-to-noise ratio, downstream transmission
The network parameters such as total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate, to current micro-capacitance sensor environmental information
The network transmission environment of acquisition system makes assessment, so that start and stop, the maintenance to field device make a policy；Micro-capacitance sensor scene is set
Standby monitoring system network data transmission monitoring is received by analysis Reference Signal Received Power, received signal strength, reference signal
The networks such as quality, signal-to-noise ratio, downstream transmission total amount of byte, equipment connection number, RRC successful connection quantity, uplink and downlink rate ginseng
Number, makes assessment to the network transmission environment of current micro-capacitance sensor field device monitoring system, thus start and stop, dimension to field device
Shield makes a policy.
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