CN104581768A - Explosion effect test wireless networking method based on WIFI - Google Patents
Explosion effect test wireless networking method based on WIFI Download PDFInfo
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- CN104581768A CN104581768A CN201510015987.9A CN201510015987A CN104581768A CN 104581768 A CN104581768 A CN 104581768A CN 201510015987 A CN201510015987 A CN 201510015987A CN 104581768 A CN104581768 A CN 104581768A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
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Abstract
The invention discloses an explosion effect test wireless networking method based on WIFI. Based on the 802.11n standard or the 802.11ac standard, a multi-parameter wireless sensing, receiving and transmitting module, a wireless access module, a wireless bridging module (internally provided with a wireless-to-wired module), a wireless relay module and an explosion measurement and control server form a tree network. The wireless access module is connected with the wireless bridging module and the wireless relay module to form a backbone link used for achieving large-range wireless network coverage and high-speed wireless transmission. The multi-parameter wireless sensing, receiving and transmitting module transmits explosion test data to the far-end wireless access module by controlling a WIFI chip or a wireless network card, and then the wireless-to-wired module integrated in the wireless access module transmits the data to the explosion measurement and control server through an optical fiber. By means of the networking method, networking is easy, maintenance is convenient, the wireless coverage range is large, the data transmission speed is high, and the method is suitable for explosion effect tests.
Description
Technical field
The invention belongs to technical field of measurement and test, particularly the wireless networking method tested of a kind of explosion effect based on WIFI.
Background technology
Wired electrical measuring method is conventional explosion effect method of testing, there is the problems such as cable layout difficulty is large, the cycle long, interference is many, mobility is poor, bring many difficulties to explosion effect test, the explosion effect test that develops into of wireless sensor network provides new means.In explosion effect test, collecting device sample rate is high, be generally 1MSPS to 10MSPS, sensor node is many, the data volume causing Exploding test to produce is huge, test place scope comparatively large, the wireless network therefore for explosion effect test should possess the feature that wireless coverage is large, physical layer transmission rate is high simultaneously.
The current many employings of network-building method on a large scale based on WIFI, based on the WIFI equipment of 802.11a or 802.11b/g standard, adopt individually the WIFI equipment based on 802.11n standard.802.11a is operated in 5GHz frequency range, and high frequency carrier determines this standard and substantially uses in linear extent, and high frequency carrier is easily by Absorption of Medium in addition, and therefore coverage is little.802.11b be operated in 2.4GHz frequency range, physical layer transmission rate is 11Mbps, 802.11g physical layer transmission rate can reach 54Mbps in theory, wireless coverage distance reaches 300m, but limit by the factor such as regional environment, antenna gain in actual networking, often do not reach such coverage distance and transmission rate.Therefore the explosion effect testing experiment that sensor node is many is not suitable for.802.11n standard introduces MIMO(multiple-input, multiple-output) and OFDM(OFDM) technology, support 64QAM(quadrature amplitude modulation) coded system, transmission rate rises to 300Mbps.Based on the WIFI network-building method of this standard, the demand of general code explosion effect testing experiment can be met.802.11ac standard physical layer is the continuity to 802.11n, inherits MIMO and the OFDM technology of 802.11n standard, supports to adopt 256QAM coded system, and theoretical transmission rate rises to more than 1Gbps.
Summary of the invention
The object of this invention is to provide a kind of wireless networking method being applicable to explosion effect test, it can improve coverage and the physical layer transmission rate of existing network-building method, to solve the problem that traditional wire mensuration brings.
Of the present inventionly adopt following technical scheme to realize: the described test of the explosion effect based on WIFI wireless networking method, comprise multiparameter wireless sensing transceiver module, radio access module, wireless bridging module, wireless relay module and blast observing and controlling server, above-mentioned module composition tree network, radio access module and wireless bridging module, wireless relay model calling, form backbone links; Described radio access module is as root knot node, and be the interface of wireless network and cable network, inner integrated wireless turns wired module, gives blast observing and controlling server by the sensing data that receives by Optical Fiber Transmission; Described wireless bridging module is as intermediate node, with radio access module bridge joint, extended wireless network coverage, wireless relay module is as next stage intermediate node and wireless bridging model calling, cover explosion test ground area edge dead angle area, further expand wireless network coverage; Above-mentioned module, based on 802.11n or 802.11ac standard, realizes wireless network on a large scale and covers and high-rate wireless transmission; Described multiparameter wireless sensing transceiver module access of radio network, by control WIFI chip or wireless network card by Exploding test transfer of data to far-end radio access module, then wirelessly turn wired ethernet/optic module to transfer data to more far region blast observing and controlling server by wireline cable by what be connected with radio access module.
Described multiparameter wireless sensing transceiver module adopts FPGA processor or industrial computer as internal control unit, adopts the multiparameter wireless sensing transceiver module of FPGA processor, uses the WIFI chip supporting 802.11n and 802.11ac standard; Adopt the multiparameter wireless sensing transceiver module of industrial computer, use the USB wireless network card supporting 802.11n or 802.11ac standard.
Radio access module, wireless bridging module, wireless relay module adopt multi-antenna technology, guarantee high speed data transfer, to adapt to the feature of big data quantity in the Exploding test short time.
The described multiparameter wireless sensing transceiver module cycle sends heartbeat frame, heartbeat frame comprises the information such as wireless sensing transceiver module IP, equipment physics numbering, channel status, sends heartbeat frame to the access state of multiparameter wireless sensing transceiver module in far-end blast observing and controlling monitoring server net by the cycle.
The present invention adopts and greatly will improve physical layer transmission rate based on the WIFI network-building method of 802.11n and 802.11ac agreement, powerful guarantee sensor node is many, lay the large situation of scope under the normal data communication of explosion effect testing experiment.Network-building method networking of the present invention is simple, easy to maintenance, wireless coverage is large, message transmission rate is high, is applicable to explosion effect testing experiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In Fig. 1: 1, be radio access module, 2, wireless bridging module, 3, wireless relay module, 4, multiparameter wireless sensing transceiver module, 5, blast observing and controlling server.
Embodiment
By reference to the accompanying drawings, specific embodiments of the invention are described.
As shown in Figure 1, the described test of the explosion effect based on WIFI wireless networking method, comprise radio access module 1, wireless bridging module 2, wireless relay module 3, multiparameter wireless sensing transceiver module 4, blast observing and controlling server 5, network configuration is tree-like.Radio access module 1, wireless bridging module 2, wireless relay module 3 can select the wireless aps supporting 802.11n and 802.11ac standard, this AP is operated in 2.4GHz and 5GHz, 5GHz frequency range adopts 256QAM modulation technique, supports bridge joint and relay function, configuration high-gain external antenna.Antenna selection omnidirectional antenna and directional antenna two kinds, omnidirectional antenna is used for the network coverage, and directional antenna is used for bridge joint.
Radio access module 1, as the interface of wireless network and cable network, is the root knot node of wireless network.Because Exploding test sensor node is many, in the short time, data volume is large, and therefore this module is built-in wirelessly turns wired module, and utilize optical fiber and blast observing and controlling server communication, the whole network only has a radio access module.This module 2.4GHz frequency range based on 802.11n agreement, for the bridge joint with wireless bridging module, 5GHz frequency range based on 802.11ac agreement, for the network coverage.
Wireless bridging module 2 is intermediate nodes of wireless network.Wireless bridging module movable bridge connection function, be connected with radio access module by binding radio access module MAC Address, the whole network can have multiple wireless bridging module.This module 2.4GHz frequency range based on 802.11n agreement, for the bridge joint with radio access module, 5GHz frequency range based on 802.11ac agreement, for the network coverage.
Wireless relay module 3 as the intermediate node of one-level lower than wireless bridging module, for the test site area edge, the dead angle area that cover radio access module, wireless bridging module cannot cover.Wireless relay module is positioned at the network coverage of wireless bridging module, opens relay function, is operated in 5GHz frequency range, based on 802.11ac agreement.
Multiparameter wireless sensing transceiver module 4 adopts FPGA processor or industrial computer as bottom control core, Control ethernet chip, WIFI chip and wireless network card reiving/transmitting state information, control command and measured sensor data.The multiparameter wireless sensing transceiver module of FPGA processor is adopted to adopt the WIFI chip supporting 802.11n and 802.11ac, as BCM43556, BCM43558 etc. of Broadcom; Adopt the multiparameter wireless sensing transceiver module of industrial computer to adopt USB wireless network card, this network interface card meets 802.11n or 802.11ac standard, as A6200USB wireless network card, DWA-18211AC double frequency USB wireless network card or PCE-AC66/88 wireless network card etc.
Multiparameter wireless sensing transceiver module 4 defines heartbeat message, heartbeat message comprises the information such as wireless sensing transceiver module IP, equipment physics numbering, channel status, sends heartbeat frame to the access state of multiparameter wireless sensing transceiver module in far-end blast observing and controlling monitoring server net by the cycle.
Claims (4)
1. the test of the explosion effect based on a WIFI wireless networking method, comprise multiparameter wireless sensing transceiver module, radio access module, wireless bridging module, wireless relay module and blast observing and controlling server, it is characterized in that: described multiparameter wireless sensing transceiver module, radio access module, wireless bridging module, wireless relay module, blast observing and controlling server forms tree network, radio access module and wireless bridging module, wireless relay model calling, form backbone links, described radio access module is as root knot node, it is the interface of wireless network and cable network, inner integrated wireless turns wired module, blast observing and controlling server is given by Optical Fiber Transmission by the sensing data that receives, described wireless bridging module is as intermediate node, with radio access module bridge joint, extended wireless network coverage, wireless relay module is as next stage intermediate node and wireless bridging model calling, cover explosion test ground area edge dead angle area, further expand wireless network coverage, above-mentioned module, based on 802.11n or 802.11ac standard, realizes wireless network on a large scale and covers and high-rate wireless transmission, described multiparameter wireless sensing transceiver module access of radio network, by control WIFI chip or wireless network card by Exploding test transfer of data to far-end radio access module, then wirelessly turn wired ethernet/optic module to transfer data to more far region blast observing and controlling server by wireline cable by what be connected with radio access module.
2. a kind of test of the explosion effect based on WIFI wireless networking method according to claim 1, it is characterized in that: described multiparameter wireless sensing transceiver module adopts FPGA processor or industrial computer as internal control unit, adopt the multiparameter wireless sensing transceiver module of FPGA processor, use the WIFI chip supporting 802.11n and 802.11ac standard; Adopt the multiparameter wireless sensing transceiver module of industrial computer, use the USB wireless network card supporting 802.11n or 802.11ac standard.
3. a kind of test of the explosion effect based on WIFI wireless networking method according to claim 1, it is characterized in that: described radio access module, wireless bridging module, wireless relay module adopt multi-antenna technology, guarantee high speed data transfer, to adapt to the feature of big data quantity in the Exploding test short time.
4. a kind of test of the explosion effect based on WIFI wireless networking method according to claim 1, it is characterized in that: the described multiparameter wireless sensing transceiver module cycle sends heartbeat frame, heartbeat frame comprises the information such as wireless sensing transceiver module IP, equipment physics numbering, channel status, sends heartbeat frame to the access state of multiparameter wireless sensing transceiver module in far-end blast observing and controlling monitoring server net by the cycle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111405588A (en) * | 2020-04-21 | 2020-07-10 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | High-speed wireless test network system architecture |
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| US20080258903A1 (en) * | 2007-04-22 | 2008-10-23 | Kevin Le | Multifunctional Powerline Sensor Network |
| CN102316547A (en) * | 2010-07-01 | 2012-01-11 | 江苏联优信息科技有限公司 | Wi-Fi wireless sensor network access device and networking method |
| CN103344669A (en) * | 2013-07-11 | 2013-10-09 | 中北大学 | General damage parameter storage and test system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080258903A1 (en) * | 2007-04-22 | 2008-10-23 | Kevin Le | Multifunctional Powerline Sensor Network |
| CN102316547A (en) * | 2010-07-01 | 2012-01-11 | 江苏联优信息科技有限公司 | Wi-Fi wireless sensor network access device and networking method |
| CN103344669A (en) * | 2013-07-11 | 2013-10-09 | 中北大学 | General damage parameter storage and test system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111405588A (en) * | 2020-04-21 | 2020-07-10 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | High-speed wireless test network system architecture |
| CN111405588B (en) * | 2020-04-21 | 2023-08-25 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | High-speed wireless test network system architecture |
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