CN105699958A - Wireless carrier wave communication technology-based range finding device - Google Patents
Wireless carrier wave communication technology-based range finding device Download PDFInfo
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- CN105699958A CN105699958A CN201610071623.7A CN201610071623A CN105699958A CN 105699958 A CN105699958 A CN 105699958A CN 201610071623 A CN201610071623 A CN 201610071623A CN 105699958 A CN105699958 A CN 105699958A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
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- Radar, Positioning & Navigation (AREA)
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Abstract
The invention discloses wireless carrier wave communication technology-based range finding device comprising a shell body, wherein the shell body is provided with input press buttons for parameter setting, a communication interface communicating with external equipment, a power source interface connected electrically with a power source and an antenna port. A processor, an ID register and a wireless signal transceiver are arranged in the shell body; input ends of the processor are respectively connected with output ends of the input press buttons for parameter setting, the ID register and the wireless signal transceiver; output ends of the processor are respectively connected with input ends of the ID register and the wireless signal transceiver; the wireless signal transceiver is electrically connected with an antenna via the antenna port. The range finding device can be used for collision avoidance, real-time positioning and tracking and key facility protection; the device can also be used for positioning people in dangerous environment, and can provide real time distance and sensor data for vehicle operation tracking, navigation and positioning.
Description
Technical field
The present invention relates to range unit technical field, particularly relate to a kind of range unit based on wireless carrier communication technology。
Background technology
Laser range finder is generally adopted two ways to measure distance: impulse method and phase method。The process of impulse method range finding is such that the laser that diastimeter launches and is received by diastimeter again after the reflection of object being measured, the diastimeter time that recording laser comes and goes simultaneously。The half of the product of the light velocity and two-way time, it is simply that the distance between diastimeter and object being measured。Laser range finder is to be operated as groundwork material by laser, and wherein, it will be permanent that the injury of eyes is likely to by the laser of 1064 nano wave lengths。And this range unit does not possess communication function, liaison each other can not be carried out, the range finding of occluded environment can not be realized, it is impossible to realize adapting to the personalized customization Tracking And Communications network system architecture of various environmental applications, and accurate range finding and positioning service are provided。
Summary of the invention
The invention aims to the shortcoming solving exist in prior art, and a kind of range unit based on wireless carrier communication technology proposed。
To achieve these goals, present invention employs following technical scheme:
A kind of range unit based on wireless carrier communication technology, including housing, described housing is provided with parameter and arranges input key, the communication interface being communicatively coupled with external equipment, the power interface electrically connected with power supply and antenna port, it is provided with processor in described housing, ID depositor and wireless signal transceiver, the input of described processor arranges input key with parameter respectively, the outfan of ID depositor and wireless signal transceiver connects, the outfan of described processor is connected with the input of ID depositor and wireless signal transceiver respectively, described wireless signal transceiver is connected with antenna electric by antenna port。
Preferably, described ID depositor is nonvolatile memory。
Preferably, the signal that described wireless signal transceiver is launched is nanosecond non-sinusoidal waveform burst pulse。
Preferably, described communication interface is serial communication or USB interface。
In the present invention, nanosecond burst pulse is utilized to launch wireless signal, by strengthening signal intensity modulation, distance can be reached, radio communication at high speed, time domain frequency division mode adopts and is different from traditional arrowband and broadband technology pattern, its frequency band is wider, adopt bidirectional ranging method, can be used to calculate the two internodal distance two-way time from transmitting terminal to receiving terminal point-to-point transmission, the relative position between device is calculated according to the mutual distance information between multiple devices, to improve point-to-point certainty of measurement, channel fading is insensitive, transmitting power spectrum density is low, low interception capability, system complexity is low, it is provided that the positioning precision of Centimeter Level, each device is provided with a unique node identifier in its nonvolatile memory, any distance measurement request that it receives can be responded by this table apparatus automatically, realize many-to-one range finding and positioning function between device, may be used for collision avoidance, real time location tracking, personnel in positioning dangerous environment, key facility protection etc., can run for vehicle and follow the tracks of, navigator fix, real-time distance and sensing data are provided。
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of range unit based on wireless carrier communication technology that the present invention proposes；
Fig. 2 is the system schematic of a kind of range unit based on wireless carrier communication technology that the present invention proposes；
Fig. 3 is the mapping relations schematic diagram between the multiple device of the present invention；
Fig. 4 is the schematic diagram that the present invention carries bidirectional ranging；
Fig. 5 is the schematic diagram of present invention flight time precision ranging。
In figure: 1 housing, 2 parameters arrange input key, 3 communication interfaces, 4 power interfaces, 5 antenna ports。
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。
With reference to Fig. 1-2, a kind of range unit based on wireless carrier communication technology, including housing 1, housing 1 is provided with parameter and arranges input key 2, the communication interface 3 being communicatively coupled with external equipment, the power interface 4 electrically connected with power supply and antenna port 5, it is provided with processor in housing 1, ID depositor and wireless signal transceiver, the input of processor arranges input key 2 respectively with parameter, the outfan of ID depositor and wireless signal transceiver connects, the outfan of processor is connected with the input of ID depositor and wireless signal transceiver respectively, wireless signal transceiver is connected with antenna electric by antenna port 5。
ID depositor is nonvolatile memory, and the signal that wireless signal transceiver is launched is nanosecond non-sinusoidal waveform burst pulse, and communication interface 3 is serial communication or USB interface。
Nanosecond burst pulse is utilized to launch wireless signal, by strengthening signal intensity modulation, distance can be reached, radio communication at high speed, time domain frequency division mode adopts and is different from traditional arrowband and broadband technology pattern, its frequency band is wider, adopt bidirectional ranging method, can be used to calculate the two internodal distance two-way time from transmitting terminal to receiving terminal point-to-point transmission, the relative position between device is calculated according to the mutual distance information between multiple devices, to improve point-to-point certainty of measurement, channel fading is insensitive, transmitting power spectrum density is low, low interception capability, system complexity is low, it is provided that the positioning precision of Centimeter Level。
With reference to Fig. 3, each device is provided with a unique node identifier in its nonvolatile memory, any distance measurement request that it receives can be responded by this table apparatus automatically, device is all data received, including distance measurement request, ranging response or out of Memory data report to main frame or other micro processor device, realizing many-to-one range finding and positioning function between device, the mapping relations of device are 3 pairs 1, and namely device A, B, C only finds range with G。
May be used for the personnel in collision avoidance, real time location tracking, positioning dangerous environment, key facility protection etc., tracking, navigator fix can be run for vehicle, it is provided that distance and sensing data in real time。
Range measurement principle:
This device adopts flight time precision ranging, utilizes the computed range time of advent。The time of advent, method was to utilize the propagation delay between transmitting terminal and receiving terminal to calculate 2 distances, and the spread speed of electric wave is light velocity c, it is assumed that the signal time from transmitting terminal to receiving terminal is t, then distance between the two is ct。
This device adopts bidirectional ranging method, to improve point-to-point certainty of measurement。
Can be used to calculate the two internodal distance two-way time from transmitting terminal to receiving terminal point-to-point transmission, this method is exactly bidirectional ranging, as shown in Figure 4:
In figure, node A sent containing the bag of time tag information to node B in the moment, after waiting node B and this time label information to carry out synchronization, will one signal of loopback to node A, synchronously complete to represent, node A determines the propagation time according to the signal received。Distance between node A to B can be calculated by following equation and obtain:
DAB=Tf×c
DABFor the distance between node A to node B。
The technology mode that this device adopts have channel fading is insensitive, launch power spectrum density interception capability low, low, system complexity is low, be provided that the range accuracy of Centimeter Level。
Mode of operation:
(1) the two-way flight time finds range and communicates
The relative position between device is calculated, it is possible to according to the Tracking And Communications network system that the needs exploitation of self is made to measure according to the mutual distance information between multiple devices。
(2) flight time precision ranging
As shown in Figure 5, device A sends distance measurement request S to device B, device B acknowledges receipt of the request of device A by sending a ranging response S1, device A uses this ranging response to carry out the two-way flight time of the radio-frequency pulse between device for accurately measuring A and device B, then calculates high accuracy distance between the two according to this information。
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention。
Claims (4)
1. the range unit based on wireless carrier communication technology, including housing, it is characterized in that, described housing is provided with parameter and arranges input key, the communication interface being communicatively coupled with external equipment, the power interface electrically connected with power supply and antenna port, it is provided with processor in described housing, ID depositor and wireless signal transceiver, the input of described processor arranges input key with parameter respectively, the outfan of ID depositor and wireless signal transceiver connects, the outfan of described processor is connected with the input of ID depositor and wireless signal transceiver respectively, described wireless signal transceiver is connected with antenna electric by antenna port；
Processor adopts flight time precision ranging, utilizes the computed range time of advent；The time of advent, method was to utilize the propagation delay between transmitting terminal and receiving terminal to calculate 2 distances, and the spread speed of electric wave is light velocity c, it is assumed that the signal time from transmitting terminal to receiving terminal is t, then distance between the two is ct；
Node A sent containing the bag of time tag information to node B in the moment, after waiting node B and this time label information to carry out synchronization, will one signal of loopback to node A, synchronously complete to represent, node A determines the propagation time according to the signal received；Distance between node A to B can be calculated by following equation and obtain:
DAB=Tf×c
DABFor the distance between node A to node B。
2. a kind of range unit based on wireless carrier communication technology according to claim 1, it is characterised in that described ID depositor is nonvolatile memory。
3. a kind of range unit based on wireless carrier communication technology according to claim 1, it is characterised in that the signal that described wireless signal transceiver is launched is nanosecond non-sinusoidal waveform burst pulse。
4. a kind of range unit based on wireless carrier communication technology according to claim 1, it is characterised in that described communication interface is serial communication or USB interface。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610071623.7A CN105699958A (en) | 2016-02-01 | 2016-02-01 | Wireless carrier wave communication technology-based range finding device |
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| CN201610071623.7A CN105699958A (en) | 2016-02-01 | 2016-02-01 | Wireless carrier wave communication technology-based range finding device |
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| CN201610071623.7A Pending CN105699958A (en) | 2016-02-01 | 2016-02-01 | Wireless carrier wave communication technology-based range finding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107505612A (en) * | 2017-09-11 | 2017-12-22 | 深圳市航天华拓科技有限公司 | Radio ranging system and method |
| CN107640184A (en) * | 2017-10-30 | 2018-01-30 | 成都九壹通智能科技股份有限公司 | A kind of Train Wheel diameter automatic calibration system and its method based on precision ranging |
| CN108415025A (en) * | 2018-05-10 | 2018-08-17 | 成都九壹通智能科技股份有限公司 | The system for carrying out two-way flight time ranging and communication based on wireless pulses radiofrequency signal |
| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
| CN108802676A (en) * | 2018-06-29 | 2018-11-13 | 哈尔滨理工大学 | A kind of plant protection drone operating area autonomic positioning method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505612A (en) * | 2017-09-11 | 2017-12-22 | 深圳市航天华拓科技有限公司 | Radio ranging system and method |
| CN107640184A (en) * | 2017-10-30 | 2018-01-30 | 成都九壹通智能科技股份有限公司 | A kind of Train Wheel diameter automatic calibration system and its method based on precision ranging |
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| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
| CN108802676A (en) * | 2018-06-29 | 2018-11-13 | 哈尔滨理工大学 | A kind of plant protection drone operating area autonomic positioning method |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Sier Inventor after: Su Xianhui Inventor after: Yang Jizhao Inventor before: Tan Shanwen Inventor before: Yang Jizhao |
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Effective date of registration: 20170712 Address after: 5 Building 4, No. 200, five street, Tianfu 610000 street, hi tech Zone, Sichuan, Chengdu Applicant after: Chengdu Jiuyi intelligent Polytron Technologies Inc Address before: 610052 No. four, No. two South Ring Road, Chengdu hi tech Development Zone, Sichuan, Xiaojiahe, 16 Applicant before: Chengdu Keyi Track Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160622 |