JPH10253741A - Electronic wave positioning system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a system that can be controlled without depending on the military facilities of other countries by transmitting and receiving an electronic wave that gives an known position and is used for finding a range by utilizing an airship. SOLUTION: A user transmitter 13 transmits an electronic wave that describes the time of a user being outputted by a user clock 7. In an airship 10 in still position, an airship receiver 14 receives an electronic wave and reads and outputs a described user time, namely the time when the electronic wave is transmitted from the user. Then, an airship transmitter 15 immediately transmits an electronic wave where the time and information indicating an own position are described. A user receiver 6 receives an electronic wave and reads the time when the electronic wave is transmitted from the user being described and the position of an airship that transmits the own electronic wave by receiving the electronic wave. A position calculator 9 multiplies the difference between the transmission time and the reception time of the electronic wave by a light speed, calculates the reciprocating distance to the airship 10, combines three sets of the distance and the position of the airship 10, solves simultaneous equations and calculates the user'.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio wave positioning system that measures a distance from a known position using radio waves and obtains an unknown position from the distance.

[0002]

2. Description of the Related Art A conventional radio positioning system is a GPS (Global Position) developed by the United States Department of Defense.
ioning System) is well known and has already been put to practical use in the field of private demand.

FIG. 11 is a diagram illustrating the operation of radio positioning by GPS. In the figure, reference numeral 1 denotes a GPS satellite that transmits radio waves for positioning, and 2 denotes a user terminal that receives the radio waves and outputs an unknown position of the user.

[0004] As shown in FIG.
24 orbits in 6 hours at 6,200 km
Radio waves are transmitted from a plurality of satellites, and the user obtains his or her unknown position by receiving the radio waves with a user terminal. Also, set the user's clock to GP
Since it is difficult to accurately synchronize with the clock of S, the error of this clock is also treated as unknown, so that the total number of unknowns is four, and it is necessary to observe four GPS satellites. .

[0005] Fig. 12 is "Newly revised GPS-precise positioning system by artificial satellite-" edited by Japan Surveying Association.
(Issue Nov. 15, 1989) is a block diagram showing a configuration of a radio positioning system using GPS described in, for example, FIG.

In the block diagram of FIG. 12, 1 is the GPS satellite, 2 is the user terminal, and 3 is a user positioning unit constituting the user terminal.

[0007] In the GPS satellite 1, 4 is a GPS satellite.
A GPS clock for outputting the time of the satellite,
This is a GPS transmitter that receives the output of the PS clock and transmits radio waves for positioning.

[0008] In the user positioning unit 3, 6 is a GP.
A user receiver for receiving positioning radio waves transmitted by the S transmitter 5; a user clock 7 for outputting a user time;
Reference numeral 8 denotes an orbit calculator for outputting the position of the GPS satellite from orbit information, and reference numeral 9 denotes an input of the output of the user receiver 6, the output of the user clock 7, and the output of the orbit calculator 8. And a position calculator for calculating the position of the user.

The above-mentioned conventional radio positioning system G
The operation of the PS will be described below.

In the GPS satellite 1, the GPS clock 4 is
Outputs time on GPS satellites.

The GPS transmitter 5 inputs the time on the GPS satellite output from the GPS clock 4 and outputs the time,
It transmits a radio wave describing information indicating which GPS satellite it is.

In the user positioning unit 3 in the user terminal 2, the user receiver 6 receives the radio wave and records the time on the GPS, that is, the time when the radio wave was transmitted and the time when the radio wave was transmitted. The information indicating which GPS satellite was transmitted is read out and output.

The user clock 7 outputs the time of the user, that is, the time when the radio wave is received.

The trajectory calculator 8 calculates the transmission time of the radio wave output from the user receiver 6 and the GP transmitting the radio wave.
Enter the information of the S satellite, and from the orbit information of the GPS satellites,
The position at the time when the GPS satellite transmitted the radio wave is calculated and output.

The position calculator 9 calculates the transmission time output from the user receiver 6, the reception time output from the user clock, and the GPS satellite 1 output from the orbit calculator 8.
The distance to the GPS satellite 1 is calculated by multiplying the difference between the transmission time and the reception time by the speed of light, and four combinations of this distance and the position of the GPS satellite 1 are combined, The user's position and the synchronization error of the user clock 7 are calculated by solving the simultaneous equations.

[0016]

Since the GPS, which is a conventional radio positioning system, is originally operated by the United States for military purposes, all information for positioning is disclosed to general users. Does not mean that the positioning accuracy is degraded intentionally (SA: Cell)
activeAvailability).
In addition, since the GPS satellite is an orbiting satellite, an orbit calculation must be performed to know its position. Furthermore, since positioning is performed based on the transmission time of radio waves from each GPS satellite, the GPS
S clocks need not only to be precise themselves, but also to be precisely synchronized with each other. Then the GPS satellites
Since radio waves are simply transmitted, when information obtained by positioning is used for communication, it cannot be used as a relay station. In addition, the GPS satellite must always transmit radio waves for positioning. The conventional radio positioning system, GPS, has the above problems.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is intended to provide a radio positioning system capable of reliably managing general users, a radio positioning system that does not need to perform orbit calculation, An object of the present invention is to obtain a radio positioning system that does not require synchronization, a radio positioning system that can be used as a relay station for communication, or a radio positioning system that does not need to constantly transmit radio waves for positioning. .

[0018]

A radio positioning system according to a first aspect of the present invention uses an airship that is stationary in the sky to provide a known position and transmit or receive radio waves for distance measurement. .

A radio positioning system according to a second aspect of the present invention arranges a user terminal having a user positioning unit at an unknown position to be positioned, and performs positioning by transmitting or receiving radio waves to and from the airship by the user terminal. It is like that.

A radio positioning system according to a third aspect of the present invention is characterized in that the user positioning unit comprises: a user clock for outputting the time of the user;
Inputting the output of the user clock, a user transmitter for transmitting radio waves, a user receiver for receiving radio waves from an airship, and inputting the output of the user receiver and the output of the user clock to the user An airship receiver configured to include a position calculator for calculating a position, and to the airship, receiving an airwave transmitted by the user transmitter, and an output of the airship receiver, and transmitting an airwave to the airship transmitter It is provided with.

A radio positioning system according to a fourth aspect of the present invention includes an airship clock that outputs the time of the airship to the airship, and an airship transmitter that inputs the output of the airship clock and transmits radio waves to the airship. A positioning unit that inputs a radio wave transmitted by the airship transmitter, a user clock that outputs a user's time, an output of the user receiver and an output of the user clock, and a position of the user. And a position calculator for calculating.

According to a fifth aspect of the present invention, in the radio positioning system according to the fifth aspect, the user positioning unit includes a user clock for outputting a user time, a user transmitter for inputting an output of the user clock and transmitting radio waves, and an airship. And a position calculator for receiving the output of the user receiver and calculating the position of the user by inputting the output of the user receiver. The airship receives the radio wave transmitted by the user transmitter. An airship receiver, an airship clock that outputs the time of the airship, an airship transmitter that inputs the output of the airship receiver and the output of the airship clock, and transmits radio waves.

In the radio positioning system according to a sixth aspect of the present invention, the user terminal includes a communication processing unit, and performs communication by adding a user position output from the user positioning unit to information to be communicated. Things.

According to a seventh aspect of the present invention, in the radio positioning system, the communication is performed by using the airship as a relay station by using the airship receiver and the airship transmitter in the airship. .

In a radio positioning system according to an eighth aspect, the communication processing section is constituted by a telephone.

In a radio positioning system according to a ninth aspect, the communication processing unit includes an abnormality detector that monitors the health of the patient, and the position of the patient who is the user output by the user positioning unit is included in the abnormality detection signal. In addition, it communicates with the emergency center.

A radio positioning system according to a tenth aspect of the present invention
The communication processing unit is configured by an abnormality monitoring monitor that monitors the state of a disaster, and an abnormality detection signal is added to the position of a disaster point, which is a user output by the user positioning unit, so as to communicate with the disaster monitoring center. It was done.

The radio positioning system according to the eleventh invention is
The communication processing unit is configured by a dispatch activity report communication device, and the work dispatch information for the disaster dispatch vehicle or the like to rush to the site is added to the disaster dispatch vehicle position, which is the user output by the user positioning unit. , Fire fighting, emergency and dispatch centers.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the radio positioning system according to the present invention will be described below with reference to the drawings.

Embodiment 1 FIG. 1 is a diagram showing the operation of the first embodiment of the present invention. In the figure, 10 is an airship that receives and transmits radio waves for positioning,
A user terminal 1 transmits and receives the radio wave and outputs an unknown position.

As shown in FIG. 1, the airship 10 is stationary in the sky. Then, it is assumed that the position of the airship is constant and known. This is technically possible in the lower stratosphere since the wind speed is the weakest.

To such an airship 10, the user terminal 11 transmits a radio wave indicating the transmission time, and each airship 10
Receives this and transmits its own radio wave, and the user terminal 11 receives it again and measures the reception time.
The time required for the radio wave to travel between the user terminal 11 and each airship 10 is measured. From this time, the round trip distance between the user terminal 11 and each airship 10 is known. Further, since the position of the airship 10 is known, it is possible to obtain the position of the user terminal 11 by collecting a set of the distance to each of the airships 10 and the position of each of the airships 10 and solving a simultaneous equation. it can. Here, since the airship 10 does not have a clock and uses only the clock of the user terminal 11 to measure the distance, there is no need to estimate the synchronization error of the user clock 7 of the user terminal 11, so the number of unknowns Indicates the position of the user 3
There are only pieces. Therefore, the distance to the three airships may be measured. Here, it is assumed that the user terminal 11 transmits radio waves to the airship 1. However, while the GPS satellites 1 are located above the altitude of 20,200 km, the airship 10 has an altitude of 1/1000 of the altitude. This transmission can be realized even if the transmission output of the user terminal 11 is small because it is in a certain stratosphere lower layer. This is the same in the following.

FIG. 2 is a block diagram showing a configuration of the first embodiment of the present invention. In FIG. 1, reference numeral 10 denotes the airship, 11 denotes the user terminal, and 12 denotes a user positioning unit included in the user terminal 11.

In the user positioning section 12, 7 is a user clock for outputting the time of the user, 13 is a user transmitter for inputting the output of the user clock 7 and transmitting radio waves, and 6 is Is a position calculator that receives the output of the user receiver 6 and the output of the user clock 7 and calculates the position of the user.

In the airship 10, an airship receiver 14 receives radio waves transmitted by the user transmitter 13, and an airship transmitter 15 receives an output of the airship receiver 14 and transmits radio waves. is there.

Next, the operation will be described. User terminal 1
In the user positioning unit 12 in 1, the user clock 7 outputs the time of the user.

The user transmitter 13 inputs the time of the user output from the user clock 7 and transmits a radio wave indicating the time.

In the airship 10, the airship receiver 14
Receives the radio wave and reads and outputs the time of the user described there, that is, the time when the radio wave is transmitted from the user.

The airship transmitter 15 is connected to the airship receiver 1.
4 inputs the time at which the radio wave output from the user is output, and transmits a radio wave describing this time and information indicating the user's own position immediately or after a certain period of time from the reception. Here, the GPS satellites 1 are orbiting satellites, and their positions are changed from time to time, while the airship 10 is stationary, so the position does not change. Therefore, it is possible to output not the identification number of the airship 10 but the position itself to the user. This is the same in the following.

In the user positioning unit 12 again, the user receiver 6 receives the radio wave output from the airship transmitter 15, receives the radio wave described there, and receives the radio wave. And reads and outputs the position of the airship that has transmitted its own radio wave.

The position calculator 9 inputs the time at which the radio wave output from the user receiver 6 is transmitted from the user and the position of the airship, and further inputs the time of the user clock 7, ie, the radio wave. And the time at which the user received. Then, by multiplying the speed of light by the difference between the transmission time of the radio wave and the reception time (or by subtracting a certain period of time from when the airship receives the radio wave to when it transmits its own radio wave), the speed of the airship , And the position of the user is calculated by solving three simultaneous equations by combining three sets of the distance and the position of the airship.

Embodiment 2 FIG. 3 is a diagram showing the operation of the second embodiment of the present invention. In the figure, 10 is an airship that transmits radio waves for positioning, and 11 is a user terminal that receives the radio waves and outputs an unknown position.

As shown in FIG. 3, the airship 10 is stationary in the sky. Then, it is assumed that the position of the airship is constant and known. This is technically possible in the lower stratosphere since the wind speed is the weakest.

Such an airship 10 transmits a radio wave indicating the transmission time, and the user terminal 11 receives the radio wave and measures the reception time, and measures the time until the radio wave from the airship 10 reaches the user terminal 11. Thereby, the distance from the airship 10 to the user terminal 11 is known. Further, since the position of the airship 10 is known, it is possible to obtain the position of the user terminal 11 by collecting a set of the distance to each of the airships 10 and the position of each of the airships 10 and solving a simultaneous equation. it can. Here, since the clock of the airship 10 and the clock of the user terminal 11 must be synchronized,
Since it is necessary to estimate the clock error of the user terminal 11, the number of unknowns is four in total, three indicating the position of the user and one indicating the error of the clock of the user. Therefore, the distance to four airships is measured.

FIG. 4 is a block diagram showing a configuration of the second embodiment of the present invention. In FIG. 1, reference numeral 10 denotes the airship, 11 denotes the user terminal, and 12 denotes a user positioning unit included in the user terminal 11.

In the airship 10, 16 is an airship clock that outputs the time of the airship 10, and 15 is an airship transmitter that receives the output of the airship clock 16 and transmits radio waves.

In the user positioning unit 12, 6 is a user receiver for receiving radio waves from the airship, 7 is a user clock for outputting the time of the user, and 9 is an output of the user clock 7 and the reception of the user. This is a position calculator that calculates the position of the user by inputting the output of the device 6.

Next, the operation will be described. In the airship 10, the airship clock 16 outputs the time of the airship.

The airship transmitter 15 is connected to the airship clock 16
Input the time of the airship, which is output by the user, and transmit a radio wave describing this time, that is, the transmission time, and information indicating its own position.

In the user positioning unit 12 in the user terminal 11, the user receiver 6 receives the radio wave output from the airship transmitter 15, and transmits the transmission time of the radio wave described therein and the radio wave. Read and output the location of the airship.

The user clock 7 outputs the time of the user, that is, the reception time of the radio wave.

The position calculator 9 inputs the transmission time output by the user receiver 6 and the position of the airship,
Further, the reception time output by the user clock 7 is input. Then, by multiplying the difference between the transmission time of the radio wave and the reception time by the speed of light, the distance to the airship is calculated, and four sets of the distance and the position of the airship are combined to solve a simultaneous equation to solve the user's equation. Calculate the synchronization error between the position and the user clock.

Embodiment 3 FIG. 5 is a diagram showing the operation of the third embodiment of the present invention. In the figure, 10 is an airship that receives and transmits radio waves for positioning,
A user terminal 1 transmits and receives the radio wave and outputs an unknown position. Also, in the figure, the solid line indicates the route of the radio wave whose arrival time should be measured for radio wave positioning, and the one-dot chain line is not the target of the arrival time measurement,
It shows a route of a radio wave for transmitting information for positioning.

As shown in FIG. 5, the airship 10 is stationary in the sky. Then, it is assumed that the position of the airship is constant and known. This is technically possible in the lower stratosphere since the wind speed is the weakest.

To such an airship 10, the user terminal 11 transmits a radio wave indicating the transmission time, and each airship 10
Receives this and measures the reception time. The airship 10 transmits, using radio waves, information indicating the transmission time from the user terminal 11, the reception time at each of the airships 10, and the position of the airship. The user terminal 11
This radio wave is received, and information indicating the transmission time from the user terminal 11, the reception time at each of the airships 10, and the position of each of the airships 10 is read out.
Know the distance to. Furthermore, since the position of each of the airships 10 is known, the position of the user terminal 11 is obtained by collecting a set of the distance to each of the airships 10 and the position of each of the airships 10 and solving a simultaneous equation. Can be. Here, since the clock of the airship 10 and the clock of the user terminal 11 must be synchronized, the user terminal 1
Since it is necessary to estimate the error of one clock, the number of unknowns is four in total, three indicating the position of the user and one indicating the error of the clock of the user. Therefore, the distance to four airships is measured.

FIG. 6 is a block diagram showing a configuration of the third embodiment of the present invention. In FIG. 1, reference numeral 10 denotes the airship, 11 denotes the user terminal, and 12 denotes a user positioning unit included in the user terminal 11.

In the user positioning unit 12, 7 is a user clock for outputting the time of the user, 13 is a user transmitter for inputting the output of the user clock 7 and transmitting radio waves, and 6 is a user transmitter for transmitting radio waves. User receiver for receiving radio waves,
Reference numeral 9 denotes a position calculator that receives the output of the user receiver 6 and calculates the position of the user.

In the airship 10, an airship receiver 14 receives the radio wave transmitted by the user transmitter 13, an airship clock 16 outputs the time of the airship,
An airship transmitter 15 receives the output of the airship receiver 14 and the output of the user clock 16 and transmits radio waves.

Next, the operation will be described. User terminal 1
In the user positioning unit 12 in 1, the user clock 7 outputs the time of the user.

The user transmitter 13 inputs the time of the user output from the user clock 7 and transmits a radio wave indicating the time.

In the airship 10, the airship receiver 14
Receives the radio wave and reads and outputs the time of the user described there, that is, the time when the radio wave is transmitted from the user.

The airship clock 16 outputs the time of the airship.

The airship transmitter 15 is connected to the airship receiver 1.
4, the time at which the radio wave output by 4 is transmitted from the user;
The time of the airship output from the airship clock 16, that is, the time at which the radio wave was received by the airship is input, and a radio wave describing these times and information indicating the own position is transmitted.

In the user positioning section 12 again, the user receiver 6 receives the radio wave output from the airship transmitter 15, and the time at which the radio wave is transmitted from the user and the radio wave And read out and output the time at which the airship received the radio wave and the position of the airship that transmitted its own radio wave.

The position calculator 9 inputs the time when the radio wave output from the user receiver 6 is transmitted from the user, the time when the radio wave is received by the airship, and the position of the airship. Then, by multiplying the difference between the transmission time of the radio wave and the reception time by the speed of light, the distance to the airship is calculated, and four sets of the distance and the position of the airship are combined to solve a simultaneous equation to solve the user's equation. The position and the synchronization error of the user clock are calculated.

Embodiment 4 FIG. 7 is a block diagram showing a configuration of the fourth embodiment of the present invention. In the figure, 10 is an airship, 11 is a user terminal, 19
Is a user and 20 is a communication partner. In the figure, the solid line indicates the path of radio waves and information for positioning, and the dashed line indicates the path of radio waves and information for communication.

In the user terminal 11, reference numeral 12 denotes a user positioning unit, and reference numeral 17 denotes a communication processing unit.

The configuration of the user positioning unit 12 has already been described based on some embodiments.

In the communication processing section 17, reference numeral 18 denotes a telephone.

In the communication partner 20, reference numeral 21 denotes a partner telephone, and reference numeral 22 denotes a display provided in the partner telephone 21.

Next, the operation will be described. However, the operation of the positioning has been described based on some embodiments, and a description thereof will be omitted.

In the communication processing section 17 in the user terminal 11, the telephone 18 inputs the voice of the user 19 and outputs it as a voice signal.

In the user positioning section 12 in the user terminal 11, the user transmitter 13 inputs the voice signal output from the telephone 18 and the position of the user output from the position calculator 9, and inputs these information. Transmit the radio wave marked with.

In the airship 10, the airship receiver 14
Receives the radio wave, and the airship transmitter 15 amplifies and transmits the amplified radio wave. That is, the airship 10 functions as a relay station.

The communication partner 20 receives the radio wave transmitted from the airship transmitter 15, reads out the voice signal of the user and the position of the user described therein, and outputs the voice from the telephone 21 of the other party. Then, the position of the user is displayed on the display 22 provided in the partner telephone 21. Thus, the communication partner can have a conversation while knowing the position of the user 19.

Of course, the communication partner 20 inputs information such as the voice and position of the communication partner, writes the information on radio waves, uses the airship 10 as a relay station, and
, And also serves to communicate to the user 19.

Embodiment 5 FIG. 8 is a block diagram showing a configuration of the fifth embodiment of the present invention. In the figure, 10 is an airship, 11 is a user terminal, 24
Is a patient and 25 is an emergency center. In the figure, the solid line indicates the path of radio waves and information for positioning, and the dashed line indicates the path of radio waves and information for communication.

In the user terminal 11, reference numeral 12 denotes a user positioning unit, and reference numeral 17 denotes a communication processing unit.

The configuration of the user positioning section 12 has already been described based on some embodiments.

In the communication processing section 17, reference numeral 23 denotes an abnormality detector.

In the emergency center 25, 26 is a buzzer, 27 is a blinking light, 28 is a map showing the position of the patient 24, 29 is a display of the name of the patient 24, and 30 is a chart of the patient 24. The display 31 is a graph showing the current state of the patient 24.

Next, the operation will be described. However, the operation of the positioning has been described based on some embodiments, and a description thereof will be omitted.

In the communication processing section 17 in the user terminal 11, the abnormality detector 23 constantly monitors the health of the patient 24,
When an abnormality is detected, the state of the abnormality is monitored immediately, and information indicating the abnormality and information on the state of the abnormality are output.

In the user positioning section 12 in the user terminal 11, the user transmitter 13 outputs the information indicating the abnormality output from the abnormality detector 23, the information on the state of the abnormality, and the position calculator 9. The position of the patient 24 (user) is input, and a radio wave describing these information is transmitted.

In the airship 10, the airship receiver 14
Receives the radio wave, and the airship transmitter 15 amplifies and transmits the amplified radio wave. That is, the airship 10 functions as a relay station.

The emergency center 25 is equipped with the airship transmitter 1
5 is read, and the information indicating the abnormality, the information on the state of the abnormality, and the position of the patient 24 (user) are read out using the buzzer 26 and the blinking light 27. Indicate an emergency and call a doctor and rescue team.

Then, the read information is stored in a map 28 showing the position of the patient
4 Name display 29, Patient 3 medical chart display 3
0, output to the graph 31 showing the current state of the patient 24, respectively. For example, an electrocardiogram is graphically displayed in real time on the graph 31 showing the current state of the patient 24.

Embodiment 6 FIG. 9 is a block diagram showing a configuration of the sixth embodiment of the present invention. In the figure, 10 is an airship, 11 is a user terminal, 33
Is a facility such as a building, a bridge, and a railway, and 34 is a disaster monitoring center. In the drawing, the solid line indicates the path of radio waves and information for positioning, and the dashed line indicates the path of radio waves and information for communication.

In the user terminal 11, reference numeral 12 denotes a user positioning unit, and reference numeral 17 denotes a communication processing unit.

The configuration of the user positioning section 12 has already been described based on some embodiments.

In the communication processing section 17, reference numeral 32 is an abnormality monitoring monitor.

In the disaster monitoring center 34, 35
The disaster map, 36 is a local report document, and 37 is a video of the site.

Next, the operation will be described. However, the operation of the positioning has been described based on some embodiments, and a description thereof will be omitted.

In the communication processing unit 17 in the user terminal 11, the abnormality monitoring monitor 32 constantly monitors the safety and normality of the facilities 33 such as buildings, bridges, railways, and the like. The state of the abnormality is monitored, and information indicating that the state is abnormal and information about the state of the abnormality are output.

In the user positioning section 12 in the user terminal 11, the user transmitter 13 is connected to the abnormality monitoring monitor 32.
, The information of the abnormality, the information of the state of the abnormality, and the position of the facility 33 (user) output by the position calculator 9 are input, and a radio wave describing these information is transmitted.

In the airship 10, the airship receiver 14
Receives the radio wave, and the airship transmitter 15 amplifies and transmits the amplified radio wave. That is, the airship 10 functions as a relay station.

The disaster monitoring center 34 receives the radio wave transmitted from the airship transmitter 15 and receives the information indicating the abnormality, the information on the state of the abnormality, and the position of the facility 33 (user). Is read.

[0098] Then, the position of the facility 33 that has reported the abnormality is displayed on the disaster map 35, and information on the state of the abnormality of each facility is transmitted to the local report document 36, It is displayed as a local image 37.

Embodiment 7 FIG. FIG. 10 is a block diagram showing a configuration of the seventh embodiment of the present invention. In the figure, 10 is an airship, 11 is a user terminal, 39
Are fire trucks, ambulances, other disaster dispatch vehicles, etc.
The Fire, Emergency and Dispatch Center 41 is the planner for the rescue plan. In the drawing, the solid line indicates the path of radio waves and information for positioning, and the dashed line indicates the path of radio waves and information for communication.

In the user terminal 11, reference numeral 12 denotes a user positioning unit, and reference numeral 17 denotes a communication processing unit.

The configuration of the user positioning section 12 has already been described based on some embodiments.

In the communication processing section 17, reference numeral 38 denotes a disaster dispatch report communication device.

At the fire, emergency and dispatch center 40,
42 is a field report display / planning indicator, 43 is a list of stricken spots, 44 is a list of disaster dispatched vehicles, 45 is an optimal assignment calculator, and 46 is a dispatch route selector.

Next, the operation will be described. However, the operation of the positioning has been described based on some embodiments, and a description thereof will be omitted.

In the communication processing section 17 in the user terminal 11, the dispatch activity report communication device 38 provides information on the status of the route on the way when the fire truck, ambulance, other disaster dispatch vehicle 39, etc. 39 It converts activity reports, such as possibilities, distance from the hydrant since reaching the site, work progress, and work interruption and termination status, into communication signals.

In the user positioning unit 12 in the user terminal 11, the user transmitter 13
A communication signal related to the activity report output by the controller 8 and a position of the disaster dispatch vehicle 39 (user) output by the position calculator 9 are input, and a radio wave describing these information is transmitted.

In the airship 10, the airship receiver 14
Receives the radio wave, and the airship transmitter 15 amplifies and transmits the amplified radio wave. That is, the airship 10 functions as a relay station.

The fire, emergency and dispatch center 40 receives the radio wave transmitted from the airship transmitter 15 and communicates the activity report described therein and the position of the disaster dispatch vehicle 39 (user). Is read.

In the firefighting, emergency and dispatch center 40, such information is shown to the rescue planner 41 via the on-site report display / planning indicator 42 and is input to the optimal allocator 45. The optimal allocator 45 simultaneously inputs the output of the disaster spot list 43 and the output of the disaster dispatch car list 44, and solves an optimal assignment problem for efficiently dispatching a fire engine, an ambulance, or the like to each affected location. . This result is input to the dispatch route selector 46, and a route to the site to which each disaster dispatch vehicle is assigned is obtained.
The result is shown to the rescue plan creator 41 and is corrected.

As described above, the assignment of each disaster dispatch vehicle determined to each disaster place and the express route there are as follows.
Again using the airship 10 as a repeater, the disaster dispatch vehicle 39
Will be communicated to. That is, in this way, the disaster dispatch vehicle 39 can perform its work while updating the fire, emergency, and dispatch center 40 by adding its own current position to the report. Dispatch car 39
Can be effectively utilized as a whole.

[0111]

According to the first aspect of the present invention, a radio positioning system that can be managed without relying on military equipment of another country can be obtained by a general user, and the required information can be obtained.
There is no intentional deterioration of accuracy. Furthermore, since the airship is stationary above the sky, there is no need to perform trajectory calculations.

According to the second invention, a communication link can be formed between the user performing positioning and the airship, so that the location of the user can be confirmed by a third party.

According to the third aspect of the present invention, the airship does not need to have a clock, and the time and effort for time synchronization and errors due to this are eliminated.

According to the fourth aspect of the present invention, since the same principle as that of the conventional radio positioning system GPS is used, the user's receiver must be created as a dual-purpose device having a common part with the GPS. Can be.

According to the fifth aspect, the airship does not need to constantly transmit a signal for positioning unlike the GPS.
This saves energy and means that the transmission capacity can be used for other purposes.

According to the sixth aspect, the radio positioning device can be provided not as a dedicated device for performing only positioning but as a part of a terminal that performs general communication using radio waves.

According to the seventh aspect, by using the airships as a relay station, the user can make a set of communication information and its transmission point and transmit it to a remote place.
The user's state can be grasped in detail even from a remote place. Also, since the radio positioning system is incorporated into the operation as a communication network, the system can be operated at a lower maintenance cost than using the radio positioning system alone.

According to the eighth aspect of the present invention, the radio frequency positioning system can be inexpensively spread by connecting the positioning function to a telephone having the transmitting function and the receiving function, which is the most frequently used communication terminal.

According to the ninth aspect, the abnormality detector uses:
For example, if a person with a handicap in the heart or the like falls into an abnormal situation, they will be able to receive emergency treatment promptly, contribute to maintaining the health of the person, and have a handicap Can help social participation by helping others to act alone.

According to the tenth aspect, when a disaster occurs, the disaster monitoring center can know where and what kind of situation is progressing, so that quick rescue and recovery activities can be implemented. Will be able to

According to the eleventh aspect, the necessity of dispatching to a disaster-stricken area and the state of a fire truck or an ambulance that can be actually dispatched can be evaluated in real time. Dispatching becomes possible.

[Brief description of the drawings]

FIG. 1 is a diagram showing the operation of a radio positioning system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a radio positioning system according to a first embodiment of the present invention;

FIG. 3 is a diagram showing the operation of a radio positioning system according to a second embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a radio positioning system according to a second embodiment of the present invention;

FIG. 5 is a diagram showing the operation of a radio positioning system according to a third embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a radio positioning system according to a third embodiment of the present invention.

FIG. 7 is a block diagram showing a configuration of a radio positioning system according to a fourth embodiment of the present invention;

FIG. 8 is a block diagram showing a configuration of a radio positioning system according to a fifth embodiment of the present invention.

FIG. 9 is a block diagram showing a configuration of a radio positioning system according to a sixth embodiment of the present invention.

FIG. 10 is a block diagram showing a configuration of a radio positioning system according to a seventh embodiment of the present invention.

FIG. 11 is a diagram showing the operation of a conventional radio positioning system.

FIG. 12 is a block diagram showing a configuration of a conventional radio positioning system.

[Description of Signs] 1 GPS satellite, 2 user terminal, 3 user positioning unit,
4 GPS clock, 5 GPS transmitter, 6 user receiver,
7 user clock, 8 orbit calculator, 9 position calculator, 1
0 airship, 11 user terminal, 12 user positioning unit,
13 user transmitter, 14 airship receiver, 15 airship transmitter, 16 airship clock, 17 communication processing unit, 18
Telephone, 19 user, 20 communication partner, 21 partner telephone, 22 display, 23 abnormality detector, 24
Patient, 25 Emergency Center, 26 Buzzer, 27 Blinking Light, 28 Map showing patient's location, 29 Patient's name display, 30 Patient's medical record display, 31 Patient's current status graph, 32 Abnormality monitor, 33 facilities, 34 disaster monitoring center, 35 disaster map, 36
On-site report document, 37 On-site video, 38 Dispatch activity report communication device, 39 Disaster dispatch vehicle, 40 Firefighting, Emergency, Dispatch center, 41 Relief plan planner, 42 On-site report display / planning indicator, 43 Disaster site list, 44 Disaster dispatch car list, 45 optimal allocation calculator, 46 dispatch route selector.

──────────────────────────────────────────────────の Continued on front page (51) Int.Cl. ⁶ Identification code FI H04Q 7/38 H04B 7/26 109T

Claims (11)

[Claims] 1. A radio wave positioning system for measuring a distance from a known position using a radio wave and obtaining an unknown position from the distance, giving the known position, and transmitting or receiving a radio wave for distance measurement. Radio positioning system characterized by using an airship. 2. The device according to claim 1, wherein a user terminal having a user positioning unit is arranged at the unknown position, and positioning is performed by transmitting or receiving radio waves to and from the airship by the user terminal. Radio positioning system. 3. A user clock which outputs the time of a user, a user transmitter which receives an output of the user clock and transmits radio waves, and a user receiver which receives radio waves from an airship. And an airship configured to receive an output of the user receiver and an output of the user clock to calculate a user's position by inputting the airship, the airship receiving a radio wave transmitted by the user transmitter. 3. An airship transmitter, comprising: a receiver and an airship transmitter that receives an output of the airship receiver and transmits radio waves.
The radio positioning system described. 4. An airship, comprising: an airship clock that outputs the time of the airship, and an airship transmitter that receives an output of the airship clock and transmits radio waves, wherein the user positioning unit includes the airship transmitter. A user receiver that inputs radio waves transmitted by the user, a user clock that outputs the time of the user, and an output of the user receiver and an output of the user clock that are input and a position calculator that calculates the position of the user The radio positioning system according to claim 2, wherein the radio positioning system is configured. 5. A user clock for outputting a time of a user, a user transmitter for inputting an output of the user clock and transmitting radio waves, and a user receiver for receiving radio waves from an airship. An airship receiver configured to receive an output of the user receiver and calculate a position of the user by inputting an output of the user receiver, and receive an electric wave transmitted from the user transmitter to the airship, and a time of the airship. The radio positioning system according to claim 2, further comprising: an airship clock that outputs a signal, an airship transmitter that receives an output of the airship receiver and an output of the airship clock, and transmits a radio wave. 6. The user terminal according to claim 2, further comprising a communication processing unit, wherein communication is performed by adding a user position output by the user positioning unit to information to be communicated. Radio positioning system. 7. The radio positioning system according to claim 6, wherein the communication is performed by using the airship as a relay station by using the airship receiver and the airship transmitter in the airship. . 8. The radio positioning system according to claim 6, wherein said communication processing unit is constituted by a telephone. 9. An emergency center, wherein the communication processing unit is constituted by an abnormality detector for monitoring a health condition of a patient, and a position of the patient, which is a user output by the user positioning unit, is added to an abnormality detection signal. The radio wave positioning system according to claim 6, wherein the radio wave positioning system communicates with the radio wave. 10. The disaster monitoring center according to claim 1, wherein the communication processing unit includes an abnormality monitoring monitor that monitors a state of a disaster, and a position of a disaster point, which is a user output by the user positioning unit, is added to an abnormality detection signal. The radio wave positioning system according to claim 6, wherein the radio wave positioning system communicates with the radio wave. 11. The disaster dispatch vehicle as a user, wherein the communication processing unit is constituted by a dispatch activity report communication device and the user positioning unit outputs work communication information for the disaster dispatch vehicle or the like to rush to the site. Fire fighting, emergency,
The radio positioning system according to claim 6, wherein the radio positioning system communicates with a dispatch center.