CN115002905B - Positioning method for satellite rescue and beacon terminal - Google Patents
Positioning method for satellite rescue and beacon terminal Download PDFInfo
- Publication number
- CN115002905B CN115002905B CN202210929805.9A CN202210929805A CN115002905B CN 115002905 B CN115002905 B CN 115002905B CN 202210929805 A CN202210929805 A CN 202210929805A CN 115002905 B CN115002905 B CN 115002905B
- Authority
- CN
- China
- Prior art keywords
- search
- time
- rescue
- information
- rescue equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Astronomy & Astrophysics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention relates to a positioning method for satellite rescue and a beacon terminal, wherein the current positioning information of the beacon terminal is obtained, wherein the current positioning information at least comprises position information and current time information; determining an over-top time window of the search and rescue equipment according to preset parameter information and current positioning information of the search and rescue equipment, wherein the over-top time window at least comprises an initial over-top time; acquiring initial sending time of the search and rescue equipment; when the difference value between the initial sending time and the initial over-top time is smaller than the preset value, sending the distress message to the search and rescue equipment at the initial sending time.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a positioning method for satellite rescue and a beacon terminal.
Background
At present, some satellite systems at home and abroad can execute global search and rescue tasks, such as maritime satellites, beidou short messages, some communication satellites and the like, but the satellites all need high-power user terminals to realize satellite-ground communication. In some fields, users can only be equipped with small or miniature beacon terminals (such as intelligent wristwatches, small beacons and the like), and the method for guiding search and rescue force to rescue by sending a distress beacon to a search and rescue satellite through the beacon terminal is put into operation for many years, for example, a maritime satellite system can realize the function. However, in some cases, a special user cannot use a civil global search and rescue network, and must implement a search and rescue function by means of a low-orbit special satellite. In these cases, the service area of a single low-earth satellite is small, and generally 24 hours of uninterrupted coverage cannot be realized for all regions around the world, and the satellite can receive the help-seeking information only when passing over the beacon terminal.
The small miniature terminals are limited in size and power consumption, and continuously send distress information according to a preset period or strategy, so that limited electric energy is consumed uselessly in most working time because no over-top rescue satellite is arranged above the terminals, the terminals can only maintain short distress time, the times of sending effective signals to low-orbit satellites are strictly limited, and the success probability of sending rescue beacons is greatly influenced.
Disclosure of Invention
The invention aims to provide a positioning method for satellite rescue and a beacon terminal, aiming at solving the defects in the prior art, and the technical problem to be solved by the invention is realized by the following technical scheme.
In a first aspect, an embodiment of the present invention provides a positioning method for satellite rescue, where the method includes:
acquiring current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information;
determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
acquiring initial sending time of the search and rescue equipment;
and when the difference value between the initial sending time and the initial over-top time is smaller than a preset value, sending help seeking information to the search and rescue equipment at the initial sending time.
Optionally, the over-top time window further includes a preset over-top time duration, and the method further includes:
and when the over-top duration meter of the search and rescue equipment is judged to reach the preset over-top duration, stopping sending the help-seeking information to the search and rescue equipment.
Optionally, before the obtaining of the current location information of the beacon terminal, the method further includes:
the method comprises the steps that the names of search and rescue equipment in a preset task area and the information of the overtop time corresponding to the names of the search and rescue equipment are stored in advance on a beacon terminal;
and/or
And pre-storing search and rescue parameter data of search and rescue equipment corresponding to a preset task on the beacon terminal, wherein the search and rescue parameters are used for calculating the over-the-top time of the search and rescue equipment.
Optionally, the acquiring an initial sending time of the search and rescue device includes:
and determining the initial sending time of the latest search and rescue equipment according to the pre-stored overtime information corresponding to the search and rescue equipment name and the current time information.
Optionally, the acquiring an initial sending time of the search and rescue device includes:
determining an initial over-top time and a preset over-top duration according to the current position information and pre-stored search and rescue parameter data;
and determining the initial sending time of the latest search and rescue equipment according to the current time information and the initial over-the-top time.
Optionally, the method further comprises:
starting from the initial sending time of sending the distress message, starting a timing awakening mechanism.
Optionally, the method further comprises:
and within the preset overtime length, if the rescue is obtained, receiving an instruction which is input by a user and stops sending the distress message.
In a second aspect, an embodiment of the present invention provides a beacon terminal,
the beacon terminal at least comprises a beacon wireless transceiving module and a service processing module, and the service processing module is used for
Acquiring current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information;
determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
acquiring initial sending time of the search and rescue equipment;
the beacon wireless transceiver module is used for sending distress information to the search and rescue equipment at the initial sending time when the difference value between the initial sending time and the initial over-top time is smaller than a preset value.
Optionally, the beacon terminal further includes: and the Beidou positioning and time service module is used for providing a current beacon position and a time reference.
Optionally, the beacon radio transceiver module at least includes: one of a WIFI module, an infrared module or a Bluetooth module.
The embodiment of the invention has the following advantages:
according to the positioning method for satellite rescue and the beacon terminal, the current positioning information of the beacon terminal is obtained, wherein the current positioning information at least comprises position information and current time information; determining a top-passing time window of the search and rescue equipment according to preset parameter information and current positioning information of the search and rescue equipment, wherein the top-passing time window at least comprises initial top-passing time; acquiring initial sending time of the search and rescue equipment; when the difference value between the initial sending time and the initial over-top time is smaller than the preset value, sending the distress message to the search and rescue equipment at the initial sending time.
Drawings
Fig. 1 is a flowchart illustrating steps of an embodiment of a positioning method for satellite rescue according to the present invention;
fig. 2 is a flowchart illustrating the steps of another embodiment of the positioning method for satellite rescue according to the present invention;
fig. 3 is a schematic structural diagram of a beacon terminal of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
An embodiment of the invention provides a positioning method for satellite rescue, which is used for satellite rescue of an object to be rescued. The execution subject of the embodiment is a positioning device for satellite rescue, and the positioning device is arranged on terminal equipment, such as wearable equipment and the like.
Referring to fig. 1, a flowchart illustrating steps of an embodiment of a positioning method for satellite rescue according to the present invention is shown, where the method specifically includes the following steps:
s101, obtaining current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information;
specifically, the method for guiding the search and rescue force to rescue by sending a distress beacon to the search and rescue satellite through the beacon terminal has been put into operation for many years, for example, a maritime satellite system can realize the function. However, in some cases, a special user cannot use a civil global search and rescue network, and must implement a search and rescue function by means of a low-orbit special satellite. In these cases, the service area of a single low-earth satellite is small, and generally 24 hours of uninterrupted coverage cannot be realized for all regions around the world, and the satellite can receive the help-seeking information only when passing over the beacon terminal. To solve the technical problem, an embodiment of the present invention provides a positioning method for satellite rescue, which is applied to a beacon terminal, and the beacon terminal may be an intelligent wearable product.
A Beidou chip is arranged on the beacon terminal,
s102, determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
wherein, the first and the second end of the pipe are connected with each other,
s103, acquiring the initial sending time of the search and rescue equipment;
and S104, when the difference value between the initial sending time and the initial over-top time is smaller than a preset value, sending help seeking information to the search and rescue equipment at the initial sending time.
In the embodiment of the invention, the method autonomously determines the over-top time of the search and rescue satellite according to the satellite data pre-stored in the beacon terminal and by combining the current position information of the beacon terminal, starts to send the distress beacon when the search and rescue satellite is determined to pass the top, finishes sending the distress beacon when the satellite completely passes the distress beacon, and waits for the next beacon sending window, so that the effective beacon sending times of the small and miniature beacon terminal are greatly improved, and the success rate of distress call is improved.
The positioning method for satellite rescue provided by the embodiment of the invention comprises the steps of obtaining the current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information; determining a top-passing time window of the search and rescue equipment according to preset parameter information and current positioning information of the search and rescue equipment, wherein the top-passing time window at least comprises initial top-passing time; acquiring initial sending time of the search and rescue equipment; when the difference value between the initial sending time and the initial over-top time is smaller than the preset value, sending the distress message to the search and rescue equipment at the initial sending time.
The present invention further provides a supplementary explanation of the positioning method for satellite rescue provided in the above embodiment.
Optionally, the over-top time window further includes a preset over-top time duration, and the method further includes:
and when the over-top duration meter of the search and rescue equipment is judged to reach the preset over-top duration, stopping sending the help-seeking information to the search and rescue equipment.
Optionally, before the obtaining of the current location information of the beacon terminal, the method further includes:
the method comprises the steps that the names of search and rescue equipment in a preset task area and the information of the overtop time corresponding to the names of the search and rescue equipment are stored in advance on a beacon terminal;
and/or
And pre-storing search and rescue parameter data of search and rescue equipment corresponding to a preset task on the beacon terminal, wherein the search and rescue parameters are used for calculating the over-the-top time of the search and rescue equipment.
Optionally, the acquiring an initial sending time of the search and rescue device includes:
and determining the initial sending time of the latest search and rescue equipment according to the pre-stored information of the over-the-top time corresponding to the name of the search and rescue equipment and the current time information.
Optionally, the acquiring an initial sending time of the search and rescue device includes:
determining an initial over-top time and a preset over-top duration according to the current position information and pre-stored search and rescue parameter data;
and determining the initial sending time of the latest search and rescue equipment according to the current time information and the initial over-the-top time.
Optionally, the method further comprises:
starting from the initial sending time of sending the distress message, starting a timing awakening mechanism.
Optionally, the method further comprises:
and within the preset overtime length, if the rescue is obtained, receiving an instruction which is input by a user and stops sending the distress message.
Figure 2 is a flow chart of the steps of another embodiment of the positioning method for satellite rescue of the invention,
the search and rescue method comprises the following steps:
s201: and in the task preparation stage, binding related search and rescue satellite data to the beacon terminal. The search and rescue satellite data is determined to be one or all of the following data according to actual needs.
(1) A search and rescue satellite over-the-top schedule of a relevant task area;
(2) The search and rescue satellite orbit parameters available for the task are used for calculating the over-the-top time in real time by the terminal;
s202: when danger occurs in the task process, the small micro beacon terminal is awakened and enters a distress working state,
s203: the most recent beacon transmission time is determined in one of the following ways.
(1) Inquiring a search and rescue satellite top-crossing time table stored in the terminal, and determining the latest satellite top-crossing time;
(2) According to the current position and time of the beacon terminal, the start over-the-top time and the over-the-top time length of the relevant search and rescue satellite are calculated according to the orbit data stored in the terminal, and the over-the-top time point closest to the current time is selected.
And (3) enabling the beacon sending time to be equal to the last satellite overhead time, starting a timing awakening mechanism, and enabling the beacon machine to enter a dormant state.
S204: when the preset satellite over-top time is reached, the beacon machine is awakened by the timer, and starts to send distress beacons to the over-top search and rescue satellite, and meanwhile, the beacon machine starts to time.
S205: and when the beacon judges that the timing reaches the satellite over-top time, stopping sending the beacon. Meanwhile, the beacon machine determines the time of the next satellite passing the top, sets a wake-up mechanism and enters dormancy.
S206: shutting off beacon transmission by the user if rescued during the waiting period; otherwise, the beacon machine executes the next round of beacon sending process until the beacon is rescued.
(1) And generating a distress signal sending time window according to the over-the-top time of the search and rescue satellite. The satellite over-time is obtained by selecting one of the following two methods:
(a) Satellite ephemeris input into the terminal in advance;
(b) And calculating the position of the satellite in real time for necessary orbit parameters, and calculating the satellite over-time by combining the current user position.
(2) The terminal only sends the distress beacon in the sending time window, and keeps in a dormant state in the non-window time.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those of skill in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the embodiments of the invention.
The positioning method for satellite rescue provided by the embodiment of the invention comprises the steps of obtaining the current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information; determining a top-passing time window of the search and rescue equipment according to preset parameter information and current positioning information of the search and rescue equipment, wherein the top-passing time window at least comprises initial top-passing time; acquiring initial sending time of the search and rescue equipment; when the difference value between the initial sending time and the initial over-top time is smaller than the preset value, sending the distress message to the search and rescue equipment at the initial sending time.
Another embodiment of the present invention provides a beacon terminal, where the beacon terminal at least includes a beacon wireless transceiver module and a service processing module, and the service processing module is configured to obtain current positioning information of the beacon terminal, where the current positioning information at least includes location information and current time information;
determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
acquiring initial sending time of the search and rescue equipment;
the beacon wireless transceiver module is used for sending distress information to the search and rescue equipment at the initial sending time when the difference value between the initial sending time and the initial over-top time is smaller than a preset value.
Optionally, the beacon terminal further includes: and the Beidou positioning and time service module is used for providing a current beacon position and a time reference.
Optionally, the beacon radio transceiver module at least includes: one of a WIFI module, an infrared module or a Bluetooth module.
Fig. 3 is a schematic structural diagram of a beacon terminal of the present invention. The beacon machine supporting the accurate sending of the distress signal at least needs to comprise the following functional modules for realizing the search and rescue function of the low-orbit satellite: the Beidou positioning and timing chip, the beacon wireless transceiving chip and the service processing chip. The Beidou chip provides the current beacon position and time reference, the service processing chip calculates the time window when the search and rescue satellite passes the top according to the first method or the second method, and the beacon wireless transceiver chip realizes the sending of the distress beacon. The business processing chip control chip sends the distress beacon when the satellite is over the top, and the success rate of search and rescue is greatly improved.
A technology suitable for a miniature beacon terminal to send a distress beacon to a low-orbit search and rescue satellite to implement search and rescue by calculating an accurate time window.
According to satellite data stored in a beacon terminal in advance, the time window of the search and rescue satellite passing the top is autonomously determined by combining the current position information of the beacon terminal, when the search and rescue satellite passing the top is determined, the distress beacon is sent, the sending is finished when the satellite completely passes, and the next beacon sending window is waited, so that the effective sending times of the beacon of the small and miniature beacon terminal are greatly improved, and the success rate of distress calling is improved.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The beacon terminal provided by the embodiment of the invention acquires the current positioning information of the beacon terminal, wherein the current positioning information at least comprises position information and current time information; determining a top-passing time window of the search and rescue equipment according to preset parameter information and current positioning information of the search and rescue equipment, wherein the top-passing time window at least comprises initial top-passing time; acquiring the initial sending time of the search and rescue equipment; when the difference value between the initial sending time and the initial over-top time is smaller than the preset value, sending the distress message to the search and rescue equipment at the initial sending time.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.
Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.
In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like symbols typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for positioning a satellite rescue, the method comprising:
the method comprises the steps that the names of search and rescue equipment in a preset task area and the information of the overtop time corresponding to the names of the search and rescue equipment are stored in advance on a beacon terminal;
and/or
The method comprises the steps that search and rescue parameter data of search and rescue equipment corresponding to a preset task are stored in advance on a beacon terminal, and the search and rescue parameters are used for calculating the over-the-top time of the search and rescue equipment;
acquiring current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information;
determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
obtain the initial transmission moment of search and rescue equipment, include:
determining the initial sending time of the latest search and rescue equipment according to pre-stored information of the overtop time corresponding to the name of the search and rescue equipment and the current time information;
or determining the initial over-top time and the preset over-top duration according to the current position information and the pre-stored search and rescue parameter data;
determining the initial sending time of the latest search and rescue equipment according to the current time information and the initial over-the-top time;
and when the difference value between the initial sending time and the initial over-top time is smaller than a preset value, sending help seeking information to the search and rescue equipment at the initial sending time.
2. The method of claim 1, wherein the over-the-top time window further comprises a preset over-the-top duration, the method further comprising:
and when the accumulated over-top time of the search and rescue equipment reaches the preset over-top time, stopping sending the help-seeking information to the search and rescue equipment.
3. The method of claim 1, further comprising:
starting from the initial sending time of sending the distress message, starting a timing awakening mechanism.
4. The method of claim 1, further comprising:
and within the preset overtime length, if the rescue is obtained, receiving an instruction which is input by a user and stops sending the distress message.
5. A beacon terminal is characterized in that the beacon terminal at least comprises a beacon wireless transceiver module and a service processing module, and the service processing module is used for
The method comprises the steps that the names of search and rescue equipment in a preset task area and the information of the overtop time corresponding to the names of the search and rescue equipment are stored in advance on a beacon terminal;
and/or
The method comprises the steps that search and rescue parameter data of search and rescue equipment corresponding to a preset task are stored in advance on a beacon terminal, and the search and rescue parameters are used for calculating the over-the-top time of the search and rescue equipment;
acquiring current positioning information of a beacon terminal, wherein the current positioning information at least comprises position information and current time information;
determining a top-passing time window of the search and rescue equipment according to preset parameter information of the search and rescue equipment and the current positioning information, wherein the top-passing time window at least comprises an initial top-passing moment;
obtain the initial transmission moment of search and rescue equipment, include:
determining the initial sending time of the latest search and rescue equipment according to pre-stored information of the overtop time corresponding to the name of the search and rescue equipment and the current time information;
or determining the initial over-top time and the preset over-top duration according to the current position information and the pre-stored search and rescue parameter data;
determining the initial sending time of the latest search and rescue equipment according to the current time information and the initial over-the-top time;
the beacon wireless transceiver module is used for sending distress information to the search and rescue equipment at the initial sending time when the difference value between the initial sending time and the initial over-top time is smaller than a preset value.
6. The beacon terminal of claim 5, wherein the beacon terminal further comprises: and the Beidou positioning and time service module is used for providing a current beacon position and a time reference.
7. The beacon terminal of claim 5, wherein the beacon radio comprises at least: one of a WIFI module, an infrared module or a Bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929805.9A CN115002905B (en) | 2022-08-04 | 2022-08-04 | Positioning method for satellite rescue and beacon terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210929805.9A CN115002905B (en) | 2022-08-04 | 2022-08-04 | Positioning method for satellite rescue and beacon terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115002905A CN115002905A (en) | 2022-09-02 |
| CN115002905B true CN115002905B (en) | 2022-10-25 |
Family
ID=83023013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210929805.9A Active CN115002905B (en) | 2022-08-04 | 2022-08-04 | Positioning method for satellite rescue and beacon terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115002905B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0495791A (en) * | 1990-08-08 | 1992-03-27 | Aisin Seiki Co Ltd | Monitoring system for position of mobile station |
| JP2004088399A (en) * | 2002-08-27 | 2004-03-18 | Koji Iketani | Rescue request device |
| DE102010005582A1 (en) * | 2010-01-22 | 2011-07-28 | Astrium GmbH, 82024 | Improvement of satellite-based SAR services |
| CN109683177A (en) * | 2019-01-24 | 2019-04-26 | 上海欧科微航天科技有限公司 | Intelligent wearable device and intelligent wearable device communication means |
| CN110187368A (en) * | 2019-06-24 | 2019-08-30 | 中国电子科技集团公司第二十九研究所 | Doppler shift processing method between low orbit satellite and ground based terminal |
| CN112147644A (en) * | 2019-06-28 | 2020-12-29 | 清华大学 | Method, device and equipment for determining space-time reference in satellite-ground cooperation and storage medium |
| CN112607056A (en) * | 2020-12-07 | 2021-04-06 | 上海卫星工程研究所 | Target observation autonomous starting triggering method and system for radar satellite |
| CN112849434A (en) * | 2021-01-28 | 2021-05-28 | 中国科学院微小卫星创新研究院 | Method for calculating over-top time of circular orbit satellite and application |
| CN113411810A (en) * | 2021-05-24 | 2021-09-17 | 广东省大湾区集成电路与系统应用研究院 | Space-based Internet of things communication system |
| CN113438006A (en) * | 2020-03-23 | 2021-09-24 | 中国电信股份有限公司 | Satellite signal capturing method, device, system and storage medium |
| CN113872677A (en) * | 2021-09-28 | 2021-12-31 | 东方红卫星移动通信有限公司 | Information transmission method, information updating method, low-orbit communication satellite and terminal |
| CN114726430A (en) * | 2022-02-28 | 2022-07-08 | 航天行云科技有限公司 | Data transmission method based on satellite communication and satellite communication system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7830305B2 (en) * | 2004-09-03 | 2010-11-09 | Procon, Inc. | Locator beacon system having global communication capability |
| US20080246652A1 (en) * | 2007-04-04 | 2008-10-09 | Scott Lewis | Gps pathfinder method and device |
| CN104199070A (en) * | 2014-09-16 | 2014-12-10 | 程存学 | Marine target positioning method, help seeking terminal and search and rescue terminal and system |
| CN105592113A (en) * | 2014-10-21 | 2016-05-18 | 中兴通讯股份有限公司 | Rescue processing method and rescue processing device |
| CN107316440A (en) * | 2017-07-31 | 2017-11-03 | 深圳大学 | A kind of marine warning system and alarm processing method based on big-dipper satellite |
-
2022
- 2022-08-04 CN CN202210929805.9A patent/CN115002905B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0495791A (en) * | 1990-08-08 | 1992-03-27 | Aisin Seiki Co Ltd | Monitoring system for position of mobile station |
| JP2004088399A (en) * | 2002-08-27 | 2004-03-18 | Koji Iketani | Rescue request device |
| DE102010005582A1 (en) * | 2010-01-22 | 2011-07-28 | Astrium GmbH, 82024 | Improvement of satellite-based SAR services |
| CN109683177A (en) * | 2019-01-24 | 2019-04-26 | 上海欧科微航天科技有限公司 | Intelligent wearable device and intelligent wearable device communication means |
| CN110187368A (en) * | 2019-06-24 | 2019-08-30 | 中国电子科技集团公司第二十九研究所 | Doppler shift processing method between low orbit satellite and ground based terminal |
| CN112147644A (en) * | 2019-06-28 | 2020-12-29 | 清华大学 | Method, device and equipment for determining space-time reference in satellite-ground cooperation and storage medium |
| CN113438006A (en) * | 2020-03-23 | 2021-09-24 | 中国电信股份有限公司 | Satellite signal capturing method, device, system and storage medium |
| CN112607056A (en) * | 2020-12-07 | 2021-04-06 | 上海卫星工程研究所 | Target observation autonomous starting triggering method and system for radar satellite |
| CN112849434A (en) * | 2021-01-28 | 2021-05-28 | 中国科学院微小卫星创新研究院 | Method for calculating over-top time of circular orbit satellite and application |
| CN113411810A (en) * | 2021-05-24 | 2021-09-17 | 广东省大湾区集成电路与系统应用研究院 | Space-based Internet of things communication system |
| CN113872677A (en) * | 2021-09-28 | 2021-12-31 | 东方红卫星移动通信有限公司 | Information transmission method, information updating method, low-orbit communication satellite and terminal |
| CN114726430A (en) * | 2022-02-28 | 2022-07-08 | 航天行云科技有限公司 | Data transmission method based on satellite communication and satellite communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115002905A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8085699B2 (en) | Changing period to monitor arrival of beacon signal based on determination as to whether there is a high connection probability | |
| US6885337B2 (en) | Methods and apparatus for determining the position of a mobile terminal using localized source assistance information | |
| JP5341166B2 (en) | Low duty cycle device protocol | |
| WO2001014832A1 (en) | Position information system | |
| CN1984410A (en) | Mobile terminal for triggering schedule function by position information and its realization | |
| CN102150058A (en) | System and method of transferring location assistance information between electronic devices | |
| CN1682470A (en) | Method and system for leaving a communication channel in a wireless communications system | |
| CN102084698A (en) | Network server having an information and scheduling controller to support one or more low duty cycle wireless devices | |
| CN106358151A (en) | Positioning method and positioning system | |
| CN106465042A (en) | Operating user equipments in a wireless communication network | |
| JP2011043479A (en) | Mobile communication terminal, positioning system, positioning method, and program | |
| CN115002905B (en) | Positioning method for satellite rescue and beacon terminal | |
| JP2007166520A (en) | Emergency notification terminal | |
| CN108713171A (en) | Communication equipment, communication means, communication system, electronic watch and program | |
| CN101677323A (en) | Automatic positioning method based on mobile network and system | |
| CN110769407B (en) | Search and rescue positioning method and device | |
| CN116367256A (en) | Network switching method, electronic device and storage medium | |
| TWI517659B (en) | Wireless communication system, mobile communication apparatus, and operating method thereof | |
| CN103644906A (en) | Navigation system and method based on semantic analysis | |
| CN102300151A (en) | Method of positioning prompt and mobile terminal | |
| JP2018048955A (en) | Positional information acquisition device, positioning auxiliary system, positional information acquisition method, and program | |
| JP2005083859A (en) | Network assistance type gps terminal and positioning method | |
| Mineo et al. | Cloud-Based Energy Efficient Scheme for Sigfox Monarch as Asset Tracking Service | |
| CN111491369A (en) | Terminal positioning method and device based on security front-end equipment | |
| CN109151962A (en) | A kind of terminal, base station, communication system and communication means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |