CN116847483A - Emergency communication device and method based on smart phone - Google Patents
Emergency communication device and method based on smart phone Download PDFInfo
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- CN116847483A CN116847483A CN202210287781.1A CN202210287781A CN116847483A CN 116847483 A CN116847483 A CN 116847483A CN 202210287781 A CN202210287781 A CN 202210287781A CN 116847483 A CN116847483 A CN 116847483A
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- 238000004891 communication Methods 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003993 interaction Effects 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001228 spectrum Methods 0.000 claims description 11
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000006855 networking Effects 0.000 abstract description 7
- 238000010295 mobile communication Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
- H04W4/185—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals by embedding added-value information into content, e.g. geo-tagging
-
- 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]
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- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Human Computer Interaction (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- General Business, Economics & Management (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses an emergency communication device and method based on a smart phone. The device consists of a smart phone and an emergency communication module, wherein the emergency communication module is connected with the smart phone through a serial interface; the smart phone provides power for the emergency communication module through the serial interface; the intelligent mobile phone is provided with an emergency communication APP, the emergency communication APP is used for realizing man-machine interaction, receiving or displaying user service data, has the capability of carrying out data interaction with the emergency communication module through the serial interface, and encodes the acquired user service data and then outputs the encoded user service data to the emergency communication module through the serial interface; the emergency communication module comprises a control unit, a data receiving and transmitting unit and an antenna unit. The technical scheme disclosed by the invention realizes interaction with the intelligent mobile phone, and is convenient to carry, flexible in networking and high in working efficiency.
Description
Technical Field
The present invention relates to a communication device and a communication method, and in particular, to an emergency communication device and a method based on a smart phone.
Background
When natural disasters such as earthquake and tsunami occur, various communication facilities are seriously damaged, communication network equipment fails, and disaster areas become information islands. In the face of the difficulty in rescuing, whether an emergency communication means exists or not relates to whether the disaster area situation can timely transmit information to the outside or not, and whether a command department can accurately implement command decision or not.
In areas such as mountain areas, islands and frontier defense, the mobile communication network facilities are difficult to arrange due to the fact that people are rare, the coverage rate of mobile phone signals is low, the mobile communication is on and off when being in existence, the external information is not smoothly contacted, and great inconvenience is brought to the living and working development of the area where the mobile communication is located. Besides the traditional commercial mobile communication, whether an emergency communication means can be provided is a key for keeping the outside information smooth.
Emergency communication is a communication method implemented for emergency situations or special areas, and the specificity of the communication environment is different from that of the public communication network. In the prior art, emergency communication devices generally use special equipment, such as mobile stations for long-distance communication, interphones for short-distance communication, etc., and these emergency communication devices generally have special customized characteristics and are high in cost and fabrication cost.
With the rapid development of smart phones, the mobile phones become an indispensable component in life, and are used for communication, information storage, random recording, navigation positioning, photographing, mobile payment and other application scenes. However, due to the special characteristics of the existing emergency communication equipment, the existing emergency communication equipment and a mobile phone cannot be directly crosslinked to form two completely physically isolated equipment, so that great inconvenience is caused to disaster relief, remote area work, border protection patrol and the like. For example, the satellite positioning information of the mobile phone cannot be sent out through emergency communication equipment, so that related personnel cannot timely and accurately master the position of the mobile phone; the photos shot by the field mobile phone cannot be sent through the emergency communication equipment, so that related personnel cannot know the situation of the area in which the person is located; the important data files stored in the mobile phone cannot be sent out through the emergency communication equipment, more detailed file information cannot be interacted with related personnel, and the like. Therefore, the existing emergency communication device cannot be crosslinked with the smart phone, so that great inconvenience is brought to rescue, work, life and the like, and rescue and working efficiency are reduced. Especially, for emergency scenes such as earthquake relief, rescue opportunities may be delayed, and casualties may increase.
Therefore, how to design the emergency communication device with convenient carrying and low cost, so that the emergency communication device can interact with the smart phone, the use flexibility of the emergency communication device is improved, and the emergency communication device is a difficult problem to be solved by the existing emergency communication device.
Disclosure of Invention
The invention aims to disclose an emergency communication device which is convenient to carry and can interact with a smart phone, and the use flexibility of the emergency communication device is improved.
In order to achieve the purpose of the invention, the invention provides an emergency communication device based on a smart phone. The device consists of a smart phone and an emergency communication module, wherein the emergency communication module is connected with the smart phone through a serial interface; the smart phone provides power for the emergency communication module through the serial interface;
the intelligent mobile phone is provided with an emergency communication APP, the emergency communication APP is used for realizing man-machine interaction, receiving or displaying user service data, has the capability of carrying out data interaction with the emergency communication module through the serial interface, and encodes the acquired user service data and then outputs the encoded user service data to the emergency communication module through the serial interface;
the emergency communication module comprises a control unit, a data receiving and transmitting unit and an antenna unit;
the intelligent mobile phone provides power for the control unit and the data receiving and transmitting unit through the serial interface;
the control unit is connected with the intelligent mobile phone through the serial interface to exchange data;
the control unit is provided with a data interface and a control interface, and is connected with the data receiving and transmitting unit through the data interface and the control interface to exchange data;
the data receiving and transmitting unit is connected with the antenna unit.
Further, in the technical scheme disclosed in the invention, the control unit comprises a first transmitting channel and a first receiving channel, wherein the first transmitting channel is used for receiving the coded user service data through the serial interface, and outputting the coded user service data to the data receiving and transmitting unit through the data interface of the control unit after the data frame format conversion; the first receiving channel receives service data transmitted by other users after being received and processed by the data receiving and transmitting unit through the data interface of the control unit, and the service data is transmitted to the intelligent mobile phone through the serial interface after being converted into a data frame format and is presented to the users after being processed by the emergency communication APP.
Further, in the technical scheme disclosed in the invention, the data transceiver unit comprises a second transmitting channel and a second receiving channel, the second transmitting channel receives the user service data sent by the control unit, and the user service data is subjected to orthogonal spread spectrum coding, modulation, up-conversion and power amplification and then is output to the antenna unit for wireless transmission; and the second receiving channel receives service data transmitted by other users through the emergency communication module through the antenna unit, and outputs the service data to the control unit after down-conversion, demodulation and despreading decoding.
Further, in the technical scheme disclosed by the invention, the control unit controls the working state of the data receiving and transmitting unit through the control interface.
Further, in the technical scheme disclosed by the invention, the emergency communication APP is provided with a voice recognition function, responds to the voice input of a user, extracts instruction information of the user, outputs the instruction information to the control unit through the serial interface after being coded, and is used for controlling the working state of the data receiving and transmitting unit.
Further, in the technical scheme disclosed by the invention, the user service data is voice information or position information or a data file or text information or image information.
Further, in the technical solution disclosed in the present invention, the first transmission channel of the control unit performs data frame format conversion on the received user service data, where the converted data frame format includes: preamble, header, CRC check, payload CRC check.
Preferably, in the technical solution disclosed in the present invention, the serial interface is a USB interface or a Lightning interface.
Furthermore, the invention also provides an emergency communication method based on the smart phone. In the technical scheme disclosed by the invention, the emergency communication method comprises a plurality of emergency communication devices, wherein a sender user sends service data to a receiver user through the emergency communication APP, the service data is transmitted to the emergency communication device of the receiver user through a wireless channel, and the service data is presented to the receiver user after being processed by the emergency communication APP of the receiver user.
Further, in the technical scheme disclosed by the invention, the number of the sender user and the receiver user is multiple.
Compared with the prior art, the invention has the following beneficial effects:
(1) Convenient to use. When the emergency communication device disclosed by the invention is used, the emergency communication module is connected with the smart phone through the serial interface, and the smart phone provides power for the emergency communication module through the serial interface without providing additional power; the user can implement emergency communication through the emergency communication APP of the smart phone, and user service information is sent out through the wireless channel of the emergency communication module. In the prior art, the emergency communication device generally needs to adopt a special power supply, and has large volume and inconvenient carrying.
(2) The service types are various. In the technical scheme disclosed by the invention, the user service data are voice information, text information, data files, position information and the like; when the mobile phone is used, a user can carry out voice communication with a contact person through the emergency communication device, can also send the position of the place to related personnel, can also transmit important files in the mobile phone to the related personnel, has various service types of the transmitting user, and is very beneficial to carrying out work. In the prior art, the emergency communication device is only limited to transmitting voice information, and the working efficiency is seriously affected.
(3) And the networking is flexible. In the technical scheme disclosed by the invention, the user service data is transmitted to the emergency communication module through a serial interface, and is modulated and up-converted to be transmitted to a wireless channel after being subjected to orthogonal spread spectrum coding; the orthogonal spread spectrum coding characteristic can enable the service data of a plurality of users to realize the same-frequency interference-free transmission, so that the plurality of users can perform networking information interaction, the network access and the network withdrawal do not need planning and setting, and the networking flexibility is high; the networking transmission characteristics are convenient for a plurality of people to cooperate and divide work and communicate information, are more beneficial to developing work and improve work efficiency. In the prior art, the emergency communication device generally adopts a point-to-point transmission mode, so that the networking transmission performance is poor and the working efficiency is low.
Additional advantages and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following and practice of the invention.
Drawings
Fig. 1 is a schematic diagram of an emergency communication apparatus according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to examples and drawings to enable those skilled in the art to practice the same and to refer to the description.
In the prior art, the emergency communication device generally has the characteristics of special customization and high cost, can not be directly crosslinked with the smart phone, is two completely physically isolated devices, is limited in transmission service type, can not send out positioning information of a field user through the emergency communication device, can not send out important data files stored in the mobile phone through the emergency communication device, can not send out photos shot by the field mobile phone through the emergency communication device, and the like, and has very large application limitation and low working efficiency.
In order to solve the problems in the prior art, the embodiment of the invention discloses an emergency communication device based on a smart phone. As shown in fig. 1, the device consists of a smart phone and an emergency communication module, wherein the emergency communication module is connected with the smart phone through a serial interface; the smart phone provides power for the emergency communication module through the serial interface;
the intelligent mobile phone is provided with an emergency communication APP, the emergency communication APP is used for realizing man-machine interaction, receiving or displaying user service data, has the capability of carrying out data interaction with the emergency communication module through the serial interface, and encodes the acquired user service data and then outputs the encoded user service data to the emergency communication module through the serial interface;
the emergency communication module comprises a control unit, a data receiving and transmitting unit and an antenna unit;
the intelligent mobile phone provides power for the control unit and the data receiving and transmitting unit through the serial interface;
the control unit is connected with the intelligent mobile phone through the serial interface to exchange data;
the control unit is provided with a data interface and a control interface, and is connected with the data receiving and transmitting unit through the data interface and the control interface to exchange data;
the data receiving and transmitting unit is connected with the antenna unit.
In the technical scheme disclosed by the embodiment of the invention, the emergency communication module is not required to be provided with an additional power supply, and when the intelligent mobile phone is used, the emergency communication module is connected with the intelligent mobile phone through the serial interface, the intelligent mobile phone provides the power supply for the emergency communication module through the serial interface, a user can implement emergency communication through the emergency communication APP of the intelligent mobile phone, and user service information is sent out through the wireless channel of the emergency communication module. In the prior art, the emergency communication device generally needs to adopt a special power supply, and has large volume and inconvenient carrying. When the technical scheme disclosed by the embodiment of the invention is implemented, the function of the data receiving and transmitting unit is realized by adopting the singlechip with low power consumption, and the emergency communication module is in a dormant or standby state in a non-emergency communication state, and only when a user carries out service data receiving and transmitting, the working state of the emergency communication module is awakened, so that the service time of the emergency communication device can be further prolonged.
In the technical scheme disclosed in the embodiment of the invention, the control unit comprises a first transmitting channel and a first receiving channel, wherein the first transmitting channel is used for receiving the coded user service data through the serial interface, and outputting the coded user service data to the data receiving and transmitting unit through the data interface of the control unit after the data frame format conversion; the first receiving channel receives service data transmitted by other users after being received and processed by the data receiving and transmitting unit through the data interface of the control unit, and the service data is transmitted to the intelligent mobile phone through the serial interface after being converted into a data frame format and is presented to the users after being processed by the emergency communication APP.
In the technical scheme disclosed by the embodiment of the invention, the control unit mainly completes the format conversion of the data frame and the control of the data receiving and transmitting unit.
And the conversion of the data frame format is to convert the user service data frame format output by the smart phone into the data frame format of the data receiving and transmitting unit. Preferably, the converted message frame format includes: preamble, header, CRC check, payload CRC check. The preamble is used for realizing synchronization maintenance, the header is used for describing related information of service data to be transmitted, the payload is used for carrying user service data, and the CRC check and the payload CRC check are used for detecting and correcting errors.
The control unit is used for controlling the working state of the data receiving and transmitting unit, wherein the working state comprises standby, dormancy, receiving and transmitting and the like. In the technical scheme disclosed by the embodiment of the invention, when the emergency communication module does not receive and transmit service data, the emergency communication module is in a dormant state so as to reduce the loss of electric quantity and improve the working time.
In the prior art, the emergency communication device needs to be manually operated by a user to complete voice communication; however, in earthquake relief or some special occasions, users have difficulty in freeing hands, and the emergency communication device cannot be operated in time, so that the emergency communication device cannot be communicated with the outside in time. In order to solve the problem, in the technical scheme disclosed by the embodiment of the invention, the emergency communication APP is provided with a voice recognition function, responds to the voice input of a user, extracts instruction information of the user, outputs the instruction information to the control unit through the serial interface after being coded, is used for controlling the working state of the data receiving and transmitting unit, and can timely send out service data of the user through the emergency communication device without carrying out handheld operation by a person so as to timely establish contact with the outside.
Further, in the technical scheme disclosed in the embodiment of the present invention, the data transceiver unit includes a second transmitting channel and a second receiving channel, where the second transmitting channel receives the user service data sent by the control unit, performs orthogonal spread spectrum coding, modulation, up-conversion, power amplification, and outputs the data to the antenna unit for wireless transmission; and the second receiving channel receives service data transmitted by other users through the emergency communication module through the antenna unit, and outputs the service data to the control unit after down-conversion, demodulation and despreading decoding.
In the prior art, the emergency communication device generally adopts a point-to-point communication mode, such as an emergency communication radio station; even if the communication device is used as an interphone, networking transmission among a plurality of users can be realized, but as common-frequency signals are transmitted among the users, collision conflict is easily generated on service data of the plurality of users along with the increase of the number of members in the network or the increase of the service volume of the users, so that the communication effect is seriously affected.
In order to solve the problems in the prior art, in the technical scheme disclosed by the embodiment of the invention, the user service data is modulated after orthogonal spread spectrum coding, up-converted, amplified in power and then output to the antenna unit for wireless transmission. The orthogonal spread spectrum coding refers to spread spectrum coding between a plurality of users by adopting a plurality of pseudo code sequences which are mutually orthogonal and user service data to be transmitted; when multi-user communication is carried out, the service data transmitted by each user are the same-frequency signals, but the pseudo-random sequences used for spread spectrum codes are mutually orthogonal, and each user signal can be separated by utilizing the orthogonal relation, so that the communication without conflict among multiple users is realized. In the application scenes such as earthquake relief, network communication can be constructed among all users, information interaction among a plurality of members is realized, mutual collaboration is realized, and working efficiency is improved.
Further, in order to solve the problems in the prior art, the embodiment of the invention discloses an emergency communication method based on a smart phone. The method comprises the steps that a plurality of emergency communication devices are adopted, a sender user sends service data to a receiver user through the emergency communication APP, the service data are transmitted to the emergency communication device of the receiver user through a wireless channel, and the service data are presented to the receiver user after being processed through the emergency communication APP of the receiver user.
Further, in the technical scheme disclosed in the embodiment of the invention, the number of the sender user and the receiver user is multiple.
Preferably, in the technical solution disclosed in the embodiment of the present invention, the user service data is voice information or location information or a data file or text information or image information. When the user service data is voice information, the emergency communication APP acquires the coded data of the user voice information acquired by a loudspeaker through calling the audio drive of the intelligent mobile phone, then is connected with the emergency communication module through the drive of the serial interface after being processed by compression coding, data frame format encapsulation, packaging and the like, and sends the voice information to the control unit, and the control unit is transmitted to the data transceiver unit after being converted by the data frame format, and is output to the antenna unit for wireless transmission after being subjected to orthogonal spread spectrum coding, modulation, up-conversion and power amplification; when receiving the voice information of the user sent by other users, the processing procedure is opposite, and is not repeated here, and finally the voice information is converted into sound through audio output devices such as a loudspeaker or a headset and is presented to the user.
When the user service data is position information, the emergency communication APP obtains the position information provided by a local Beidou/GPS positioning module by calling a position management program (such as a LocationManager object) of the smart phone, processes the position information through compression coding, data frame format encapsulation, packaging and the like, drives the position information through a serial interface, is connected with the emergency communication module, sends the position information to the control unit, converts the data frame format, then transmits the position information to the data transceiver unit, and outputs the position information to the antenna unit for wireless transmission after orthogonal spread spectrum coding, modulation, up-conversion and power amplification.
When the user service data is text information or other types of service data such as data files, the processing procedure is similar to that of voice information or position information, and the difference is mainly that the procedure or object called by the emergency communication APP is different, which is not described herein.
Further, in the technical scheme disclosed in the embodiment of the present invention, the serial interface is a USB interface or a Lightning interface, and the USB interface types include Mini USB, micro USB, type-C USB, and the like.
Further, in the technical solution disclosed in the embodiment of the present invention, the transmitting and receiving frequency ranges of the antenna unit are: 433MHz, 470MHz to 510MHz, 868MHz, 902MHz to 928MHz.
Although the embodiments of the present invention have been disclosed above, they are not limited to the modes of use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. The emergency communication device based on the smart phone is characterized by comprising the smart phone and an emergency communication module, wherein the emergency communication module is connected with the smart phone through a serial interface; the smart phone provides power for the emergency communication module through the serial interface;
the intelligent mobile phone is provided with an emergency communication APP, the emergency communication APP is used for realizing man-machine interaction, receiving or displaying user service data, has the capability of carrying out data interaction with the emergency communication module through the serial interface, and encodes the acquired user service data and then outputs the encoded user service data to the emergency communication module through the serial interface;
the emergency communication module comprises a control unit, a data receiving and transmitting unit and an antenna unit;
the intelligent mobile phone provides power for the control unit and the data receiving and transmitting unit through the serial interface;
the control unit is connected with the intelligent mobile phone through the serial interface to exchange data;
the control unit is provided with a data interface and a control interface, and is connected with the data receiving and transmitting unit through the data interface and the control interface to exchange data;
the data receiving and transmitting unit is connected with the antenna unit.
2. The smart phone-based emergency communication device according to claim 1, wherein the control unit comprises a first transmitting channel and a first receiving channel, the first transmitting channel is configured to receive the encoded user service data through the serial interface, and output the encoded user service data to the data transceiver unit through a data interface of the control unit after data frame format conversion; the first receiving channel receives service data transmitted by other users after being received and processed by the data receiving and transmitting unit through the data interface of the control unit, and the service data is transmitted to the intelligent mobile phone through the serial interface after being converted into a data frame format and is presented to the users after being processed by the emergency communication APP.
3. The emergency communication device based on the smart phone according to claim 1, wherein the data transceiver unit comprises a second transmitting channel and a second receiving channel, the second transmitting channel receives the user service data sent by the control unit, and the user service data is output to the antenna unit for wireless transmission after orthogonal spread spectrum coding, modulation, up-conversion and power amplification; and the second receiving channel receives service data transmitted by other users through the emergency communication module through the antenna unit, and outputs the service data to the control unit after down-conversion, demodulation and despreading decoding.
4. The smart phone-based emergency communication device according to claim 1, wherein the control unit controls the operation state of the data transceiver unit via the control interface.
5. The smart phone-based emergency communication device according to claim 1, wherein the emergency communication APP is provided with a voice recognition function, and is configured to extract instruction information of a user in response to voice input of the user, and output the instruction information to the control unit through the serial interface after encoding, so as to control an operating state of the data transceiver unit.
6. The smart phone-based emergency communication device of claim 1, wherein the user traffic data is voice information or location information or a data file or text information or image information.
7. The smart phone-based emergency communication device according to claim 2, wherein the first transmission channel of the control unit performs data frame format conversion on the received user service data, and the converted data frame format includes: preamble, header, CRC check, payload CRC check.
8. The smart phone-based emergency communication device of claim 2, wherein the serial interface is a USB interface or a lighting interface.
9. An emergency communication method based on a smart phone, which is characterized by comprising a plurality of emergency communication devices according to any one of claims 1 to 8, wherein a sender user sends service data to a receiver user through an emergency communication APP, and the service data is transmitted to the emergency communication device of the receiver user through a wireless channel and is presented to the receiver user after being processed by the emergency communication APP of the receiver user.
10. The smart phone-based emergency communication method of claim 9, wherein the sender user and the receiver user are plural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287781.1A CN116847483A (en) | 2022-03-23 | 2022-03-23 | Emergency communication device and method based on smart phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210287781.1A CN116847483A (en) | 2022-03-23 | 2022-03-23 | Emergency communication device and method based on smart phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116847483A true CN116847483A (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210287781.1A Pending CN116847483A (en) | 2022-03-23 | 2022-03-23 | Emergency communication device and method based on smart phone |
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| Country | Link |
|---|---|
| CN (1) | CN116847483A (en) |
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- 2022-03-23 CN CN202210287781.1A patent/CN116847483A/en active Pending
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