CN112332896A - Relay signal strength adjusting system - Google Patents
Relay signal strength adjusting system Download PDFInfo
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- CN112332896A CN112332896A CN202011218503.8A CN202011218503A CN112332896A CN 112332896 A CN112332896 A CN 112332896A CN 202011218503 A CN202011218503 A CN 202011218503A CN 112332896 A CN112332896 A CN 112332896A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to a relay signal strength adjusting system, which comprises: the signal transmitting equipment is arranged on a communication relay station used by the railway communication network and used for adjusting the transmitting intensity of a relay signal of the signal transmitting equipment based on the received real-time reference intensity; and the panoramic video recording mechanism is arranged at the top of the communication relay station and used for executing the video recording action of continuous images on the surrounding environment of the communication relay station so as to obtain each video recording frame corresponding to each video recording time. The relay signal intensity adjusting system provided by the invention is intelligent in operation and convenient to control. The communication relay station used by the railway communication network can be used as a detection platform to carry out targeted visual detection on the distance of the nearby railway passenger carriage, and the transmission intensity of the relay signal is adjusted based on the detection result, so that the guarantee is provided for the communication network of railway passengers.
Description
Technical Field
The invention relates to the field of communication networks, in particular to a relay signal strength adjusting system.
Background
Communication is the communication and transfer of information from person to person through some medium. A network is a data link formed by connecting isolated workstations or hosts together by physical links. The communication network is a link for physically connecting each isolated device to realize information exchange between people, between people and computers, and between computers, thereby achieving the purpose of resource sharing and communication.
Modern communication networks are systems organically built by professional organizations with communication devices (hardware) and related working programs (software), which are the sum of various communication services provided for individuals, enterprises and public institutions and society. The Internet (Internet) is an Internet that is composed of a plurality of computer networks, transmission, switching (mainly referred to as routers, switches, hubs) and terminals, and is worldwide.
In the prior art, a railway communication network is a special network specially providing communication services for passengers in a railway passenger train, and the communication network is built through communication relay stations arranged along a railway track. However, since the position of the railway passenger train is dynamically changed, if the transmission power of the communication relay station used by the railway communication network is kept constant, the data bandwidth and the data intensity of the communication network received by the passenger are unstable, and the service experience brought to the passenger is poor.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a relay signal strength adjusting system which can perform targeted visual detection on the distance of a nearby railway passenger carriage by taking a communication relay station used by a railway communication network as a detection platform and adjust the transmission strength of a relay signal based on a detection result, thereby providing guarantee for the communication network of railway passengers.
Therefore, the invention at least needs to have the following two key points:
(1) the method comprises the steps that a visual detection structure for searching various imaging characteristics corresponding to the railway passenger carriage is arranged on a communication relay station used by a railway communication network, so that when the railway passenger carriage is identified to exist nearby, the transmission intensity of a relay signal is adjusted according to the real-time depth of field value of the railway passenger carriage;
(2) the step of adjusting the transmission intensity of the relay signal according to the real-time depth of field value of the railway passenger carriage comprises the following steps: when the real-time depth of field value of the railway passenger carriage is within the preset depth of field value range, the deeper the real-time depth of field value is, the higher the regulated emission intensity is, thereby providing a communication network which has relatively stable signal intensity and ensures data bandwidth for passengers in the passenger carriage.
According to an aspect of the present invention, there is provided a relay signal strength adjusting system, the system comprising:
the signal transmitting equipment is arranged on a communication relay station used by the railway communication network and used for adjusting the transmitting strength of a relay signal of the signal transmitting equipment based on the received real-time reference strength so as to enable the transmitting strength to be consistent with the real-time reference strength;
the panoramic video recording mechanism is arranged at the top of the communication relay station and used for executing video recording actions of continuous images on the surrounding environment of the communication relay station so as to obtain each video recording frame corresponding to each video recording time;
the smoothing processing equipment is arranged on the left side of the panoramic video recording mechanism, is connected with the panoramic video recording mechanism and is used for executing zoom-free conversion fuzzy processing on a video recording frame corresponding to the current video recording time so as to obtain and output a corresponding smoothing processing image;
the content filtering equipment is arranged at the top of the communication relay station, is connected with the smoothing processing equipment and is used for executing Butterworth low-pass filtering processing on the received smoothing processing image so as to obtain and output a corresponding content filtering image;
the on-site sharpening device is arranged in the communication relay station, is connected with the content filtering device and is used for carrying out signal sharpening processing based on a USM filter on the content filtering image so as to obtain a corresponding signal sharpened image;
the cloud storage node is arranged at the far end of the communication relay station and used for storing a characteristic database, and the characteristic database stores various imaging characteristics corresponding to the railway passenger carriage;
the characteristic searching mechanism is arranged in the communication relay station, is connected with the cloud storage node through a network, is also electrically connected with the field sharpening equipment, and is used for searching any imaging characteristic matching area corresponding to the railway passenger carriage in the signal sharpening image to serve as an area to be processed for output;
the parameter statistical equipment is connected with the characteristic searching mechanism and used for acquiring each imaging depth of field of each pixel of the area to be processed and outputting the average value of each imaging depth of field as the representative depth of field corresponding to the area to be processed;
the intensity adjusting mechanism is respectively connected with the parameter counting equipment and the signal transmitting equipment, comprises a depth of field receiving unit, a numerical value conversion unit and an intensity output unit, and is used for calculating corresponding real-time reference intensity based on the received representative depth of field and transmitting the obtained real-time reference intensity to the signal transmitting equipment;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: the deeper the received representative depth of field is, the larger the corresponding real-time reference intensity obtained by calculation is;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: when the received representative depth of field exceeds a first depth of field threshold, the corresponding real-time reference intensity is adjusted and fixed to a first fixed value.
The relay signal intensity adjusting system provided by the invention is intelligent in operation and convenient to control. The communication relay station used by the railway communication network can be used as a detection platform to carry out targeted visual detection on the distance of the nearby railway passenger carriage, and the transmission intensity of the relay signal is adjusted based on the detection result, so that the guarantee is provided for the communication network of railway passengers.
Detailed Description
An embodiment of the relay signal strength adjustment system of the present invention will be described in detail below.
The choice of network and cable type for a communication network is primarily determined by the type of devices that need to be connected, their location, and the manner in which they are used. Before planning can be started, it is necessary to give an explanation about the potential load of the network. When one network serves multiple systems, careful consideration should be given to the peak of their mixed data traffic.
For a complete new system, the main task of load estimation is to calculate the number of network nodes and ask each department for the worst-case usage requirements. When an existing system is replaced, the manner of use of the system should be monitored for a week or more before the replacement is scheduled. When the upgrade of software is also part of a system upgrade, such as upgrading a computer from a DOS environment to a Windows environment, complex evaluation of the network can be difficult. However, the software provider may now give an estimate of the speed of the network communication. In the planning phase, the planning of the demand and the planning of the demand should be put on the same importance.
The average target life cycle of a communications network wiring system is 15 years, which is consistent with the renovation cycle of major buildings. During this time, the system's computer hardware, software and usage will change significantly. The throughput, reliability and security requirements of the network are certainly increasing.
In the prior art, a railway communication network is a special network specially providing communication services for passengers in a railway passenger train, and the communication network is built through communication relay stations arranged along a railway track. However, since the position of the railway passenger train is dynamically changed, if the transmission power of the communication relay station used by the railway communication network is kept constant, the data bandwidth and the data intensity of the communication network received by the passenger are unstable, and the service experience brought to the passenger is poor.
In order to overcome the defects, the invention builds a relay signal strength adjusting system, and can effectively solve the corresponding technical problem.
The relay signal strength adjusting system shown according to the embodiment of the present invention includes:
the signal transmitting equipment is arranged on a communication relay station used by the railway communication network and used for adjusting the transmitting strength of a relay signal of the signal transmitting equipment based on the received real-time reference strength so as to enable the transmitting strength to be consistent with the real-time reference strength;
the panoramic video recording mechanism is arranged at the top of the communication relay station and used for executing video recording actions of continuous images on the surrounding environment of the communication relay station so as to obtain each video recording frame corresponding to each video recording time;
the smoothing processing equipment is arranged on the left side of the panoramic video recording mechanism, is connected with the panoramic video recording mechanism and is used for executing zoom-free conversion fuzzy processing on a video recording frame corresponding to the current video recording time so as to obtain and output a corresponding smoothing processing image;
the content filtering equipment is arranged at the top of the communication relay station, is connected with the smoothing processing equipment and is used for executing Butterworth low-pass filtering processing on the received smoothing processing image so as to obtain and output a corresponding content filtering image;
the on-site sharpening device is arranged in the communication relay station, is connected with the content filtering device and is used for carrying out signal sharpening processing based on a USM filter on the content filtering image so as to obtain a corresponding signal sharpened image;
the cloud storage node is arranged at the far end of the communication relay station and used for storing a characteristic database, and the characteristic database stores various imaging characteristics corresponding to the railway passenger carriage;
the characteristic searching mechanism is arranged in the communication relay station, is connected with the cloud storage node through a network, is also electrically connected with the field sharpening equipment, and is used for searching any imaging characteristic matching area corresponding to the railway passenger carriage in the signal sharpening image to serve as an area to be processed for output;
the parameter statistical equipment is connected with the characteristic searching mechanism and used for acquiring each imaging depth of field of each pixel of the area to be processed and outputting the average value of each imaging depth of field as the representative depth of field corresponding to the area to be processed;
the intensity adjusting mechanism is respectively connected with the parameter counting equipment and the signal transmitting equipment, comprises a depth of field receiving unit, a numerical value conversion unit and an intensity output unit, and is used for calculating corresponding real-time reference intensity based on the received representative depth of field and transmitting the obtained real-time reference intensity to the signal transmitting equipment;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: the deeper the received representative depth of field is, the larger the corresponding real-time reference intensity obtained by calculation is;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: when the received representative depth of field exceeds a first depth of field threshold, the corresponding real-time reference intensity is adjusted and fixed to a first fixed value.
Next, a specific configuration of the relay signal strength adjustment system according to the present invention will be further described.
In the relay signal strength adjustment system:
calculating the corresponding real-time reference intensity based on the received representative depth of field includes: and when the received representative scene depth is less than the second depth threshold, adjusting and fixing the corresponding real-time reference intensity as a second fixed numerical value.
In the relay signal strength adjustment system:
in the characteristic database, the various imaging characteristics corresponding to the railway passenger cars comprise appearance characteristics and color characteristics corresponding to the railway passenger cars.
In the relay signal strength adjustment system:
in the intensity adjustment mechanism, the first depth of field threshold is greater than the second depth of field threshold;
wherein, in the strength adjustment mechanism, the first fixed numerical value is greater than the second fixed numerical value.
In the relay signal strength adjustment system:
the parameter statistical equipment and the strength adjusting mechanism are both arranged in the communication relay station.
In the relay signal strength adjustment system:
the characteristic searching mechanism is internally provided with a temperature sensor which is used for measuring the internal temperature of the characteristic searching mechanism and outputting the internal temperature in real time;
the characteristic searching mechanism is internally provided with a humidity sensor and is used for measuring the internal humidity of the characteristic searching mechanism and outputting the internal humidity in real time.
In the relay signal strength adjustment system:
the characteristic searching mechanism is internally provided with a pressure sensor which is used for measuring the pressure born by the shell of the characteristic searching mechanism and outputting the pressure in real time;
the parameter counting equipment is internally provided with a temperature sensor and is used for measuring the internal temperature of the parameter counting equipment and outputting the internal temperature in real time.
In the relay signal strength adjustment system:
a humidity sensor is arranged in the parameter counting equipment and is used for measuring the internal humidity of the parameter counting equipment and outputting the internal humidity in real time;
the parameter statistic device is internally provided with a pressure sensor used for measuring the pressure born by the shell of the parameter statistic device and outputting the pressure in real time.
The relay signal strength adjusting system may further include:
and the power line transmission interface is respectively connected with the characteristic searching mechanism and the parameter statistical equipment and is used for receiving and forwarding output data of all sensors of each of the characteristic searching mechanism and the parameter statistical equipment.
In addition, in the relay signal strength adjusting system, Power Line Carrier, PLC communication, is a special communication method for performing voice or data transmission using a Power Line as an information transmission medium. The power lines are generally classified into high, medium and low 3 types in the field of power carrier, generally, a high-voltage power line refers to a voltage class of 35kV or more, a medium-voltage power line refers to a voltage class of 10kV, and a low-voltage distribution line refers to 380/220V subscriber lines. A Power Line Carrier (PLC) is a communication method specific to a power system, and power line carrier communication is a technology for transmitting an analog or digital signal at a high speed by using a carrier method using an existing power line. The method has the greatest characteristic that data transmission can be carried out only by wires without erecting a network again. The power line carrier technology breaks through the limitation of being limited to the application of a single chip microcomputer, has entered the digital era, and with the continuous development of the power line carrier technology and the social needs, the technical development and application of medium/low voltage power line carrier communication are still emerging.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. A relay signal strength adjustment system, comprising:
and the signal transmitting equipment is arranged on a communication relay station used by the railway communication network, and is used for adjusting the transmission intensity of a relay signal of the signal transmitting equipment based on the received real-time reference intensity so as to enable the transmission intensity to be consistent with the real-time reference intensity.
2. The relay signal strength adjustment system of claim 1, wherein the system further comprises:
and the panoramic video recording mechanism is arranged at the top of the communication relay station and used for executing the video recording action of continuous images on the surrounding environment of the communication relay station so as to obtain each video recording frame corresponding to each video recording time.
3. The relay signal strength adjustment system of claim 2, wherein the system further comprises:
the smoothing processing equipment is arranged on the left side of the panoramic video recording mechanism, is connected with the panoramic video recording mechanism and is used for executing zoom-free conversion fuzzy processing on a video recording frame corresponding to the current video recording time so as to obtain and output a corresponding smoothing processing image;
the content filtering equipment is arranged at the top of the communication relay station, is connected with the smoothing processing equipment and is used for executing Butterworth low-pass filtering processing on the received smoothing processing image so as to obtain and output a corresponding content filtering image;
the on-site sharpening device is arranged in the communication relay station, is connected with the content filtering device and is used for carrying out signal sharpening processing based on a USM filter on the content filtering image so as to obtain a corresponding signal sharpened image;
the cloud storage node is arranged at the far end of the communication relay station and used for storing a characteristic database, and the characteristic database stores various imaging characteristics corresponding to the railway passenger carriage;
the characteristic searching mechanism is arranged in the communication relay station, is connected with the cloud storage node through a network, is also electrically connected with the field sharpening equipment, and is used for searching any imaging characteristic matching area corresponding to the railway passenger carriage in the signal sharpening image to serve as an area to be processed for output;
the parameter statistical equipment is connected with the characteristic searching mechanism and used for acquiring each imaging depth of field of each pixel of the area to be processed and outputting the average value of each imaging depth of field as the representative depth of field corresponding to the area to be processed;
the intensity adjusting mechanism is respectively connected with the parameter counting equipment and the signal transmitting equipment, comprises a depth of field receiving unit, a numerical value conversion unit and an intensity output unit, and is used for calculating corresponding real-time reference intensity based on the received representative depth of field and transmitting the obtained real-time reference intensity to the signal transmitting equipment;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: the deeper the received representative depth of field is, the larger the corresponding real-time reference intensity obtained by calculation is;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: when the received representative depth of field exceeds a first depth of field threshold value, adjusting and fixing the corresponding real-time reference intensity as a first fixed numerical value;
wherein calculating the corresponding real-time reference intensity based on the received representative depth of field comprises: when the received representative scene depth is less than the second depth-of-field threshold value, adjusting and fixing the corresponding real-time reference intensity as a second fixed numerical value;
and in the characteristic database, the various imaging characteristics corresponding to the railway passenger cars comprise appearance characteristics and color characteristics corresponding to the railway passenger cars.
4. The relay signal strength adjustment system of claim 3, wherein:
in the intensity adjustment mechanism, the first depth of field threshold is greater than the second depth of field threshold;
wherein, in the strength adjustment mechanism, the first fixed numerical value is greater than the second fixed numerical value.
5. The relay signal strength adjustment system of claim 4, wherein:
the parameter statistical equipment and the strength adjusting mechanism are both arranged in the communication relay station.
6. The relay signal strength adjustment system of claim 5, wherein:
the characteristic searching mechanism is internally provided with a temperature sensor which is used for measuring the internal temperature of the characteristic searching mechanism and outputting the internal temperature in real time;
the characteristic searching mechanism is internally provided with a humidity sensor and is used for measuring the internal humidity of the characteristic searching mechanism and outputting the internal humidity in real time.
7. The relay signal strength adjustment system of claim 6, wherein:
the characteristic searching mechanism is internally provided with a pressure sensor which is used for measuring the pressure born by the shell of the characteristic searching mechanism and outputting the pressure in real time;
the parameter counting equipment is internally provided with a temperature sensor and is used for measuring the internal temperature of the parameter counting equipment and outputting the internal temperature in real time.
8. The relay signal strength adjustment system of claim 7, wherein:
a humidity sensor is arranged in the parameter counting equipment and is used for measuring the internal humidity of the parameter counting equipment and outputting the internal humidity in real time;
the parameter statistic device is internally provided with a pressure sensor used for measuring the pressure born by the shell of the parameter statistic device and outputting the pressure in real time.
9. The relay signal strength adjustment system of claim 8, wherein the system further comprises:
and the power line transmission interface is respectively connected with the characteristic searching mechanism and the parameter statistical equipment and is used for receiving and forwarding output data of all sensors of each of the characteristic searching mechanism and the parameter statistical equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011218503.8A CN112332896A (en) | 2020-11-04 | 2020-11-04 | Relay signal strength adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011218503.8A CN112332896A (en) | 2020-11-04 | 2020-11-04 | Relay signal strength adjusting system |
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| CN111835648A (en) * | 2019-12-17 | 2020-10-27 | 黄德莲 | Remote starting system of directional equipment |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180213278A1 (en) * | 2015-09-23 | 2018-07-26 | Samsung Electronics Co., Ltd. | Video processing device, method for driving video processing device, video relaying device, method for driving video relaying device, and computer-readable recording medium |
| CN107222912A (en) * | 2017-06-08 | 2017-09-29 | 西安蜂语信息科技有限公司 | A kind of method of adjust automatically transmission power, apparatus and system |
| CN111565259A (en) * | 2019-11-20 | 2020-08-21 | 王涛 | IP data packet wireless sending platform and method |
| CN111835648A (en) * | 2019-12-17 | 2020-10-27 | 黄德莲 | Remote starting system of directional equipment |
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Application publication date: 20210205 |