CN103067050B - A kind of communication system and method - Google Patents
A kind of communication system and method Download PDFInfo
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- CN103067050B CN103067050B CN201110325398.2A CN201110325398A CN103067050B CN 103067050 B CN103067050 B CN 103067050B CN 201110325398 A CN201110325398 A CN 201110325398A CN 103067050 B CN103067050 B CN 103067050B
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Abstract
The present invention relates to a kind of communication system and method.Wherein, communication system comprises first communication equipment with the first module and the second communication equipment with the second module, described first module comprises the first reference cell, the first wireless communication unit and the first control unit, and described second module comprises the first determination unit, the second wireless communication unit and the second control unit.The necessary condition that communication system of the present invention and method utilize communication distance information to connect as radio communication, make the first communication equipment, communication distance condition that second communication equipment meets regulation can set up radio communication immediately, fast and efficiently and carry out exchanges data, thus avoid the problem such as exchange agreement of pre-configured, addressing, handshake authentication, configuration complexity, for exchanges data instant between electronic equipment provides great convenience.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of communication system and method.
Background technology
Current computer or mobile device employ high speed radio transmission in a large number and carries out exchanges data, commonplacely use Wi-Fi(IEEE802.11a/b/g/n standard), bluetooth, Zigbee(IEEE 802.15.4 standard), UWB(Ultra Wideband, super wideband wireless transmits) etc. technology.These high-speed radiocommunications make can carry out information exchange and function sharing etc. between intercomputer or mobile device, and user can realize the operations such as files in stream media transmission, address list exchange, share and access internet in these mobile devices.These technology for be all long-time, multiple user, comparatively far range (more than 10 meters) exchanges data application; When using this technology, user needs to carry out comparatively complicated configuration.Such as, first use needs loaded down with trivial details setting, reuses and needs the wait of cost a period of time find main frame and connect.In addition, these technology are owing to will consider multiple user and work and the situation such as radiofrequency signal poor quality simultaneously, and therefore, it generally both defines complicated LMP Link Manager Protocol in communication process, and these protocol overheads cause radio channel utilization not high.
Current, along with mobile device variation and widely use, between multiple stage mobile device, the application demand of Instantaneous sharing data is more and more stronger, distance between the usual multiple devices sharing data is very near (within 1 meter, mainly consider from information security), but require exchanges data very quick, in time, efficient and can organization network automatically.Such as, second communication equipment equipment enters the setting range of the first communication equipment then from being dynamically connected and transmitting data, and the setting range shifting out the first communication equipment then automatically cuts off and connects.And the existing communication technology all can not meet requirement that is instant between user in this short range, fast, efficient, safe ground swap data.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of communication system and method, realizes radio communication and the exchanges data of instant, quick, efficient, the automatic network-building within the scope of predeterminable range.
For solving the problems of the technologies described above, the present invention proposes a kind of communication system, comprising first communication equipment with the first module and the second communication equipment with the second module,
Described first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit and carries out exchanges data; First control unit, for controlling described first reference cell and described first wireless communication unit;
Described second module comprises: the first determination unit, for receiving described first distance reference information, and judges distance between described first module and described second module whether in default distance range according to this first distance reference information; Second wireless communication unit, during for the distance between described first module and described second module in the distance range preset, sets up radio communication with described first wireless communication unit and is connected and carries out exchanges data; Second control unit, for controlling described first determination unit and described second wireless communication unit.
Further, above-mentioned communication system also can have following characteristics, comprises the first module information and communication distance information in described first distance reference information.
Further, above-mentioned communication system also can have following characteristics, the second reference cell is also comprised in described second module, the second determination unit is also comprised in described first module, described second reference cell is for sending second distance reference information, and described second determination unit is used for judging distance between described first module and described second module whether in default distance range according to the second distance reference information received.
Further, above-mentioned communication system also can have following characteristics, and described first reference cell comprises the first benchmark subelement, for being sent described first distance reference information by low frequency alternating magnetic field signal; Described first determination unit comprises the first reception subelement, for receiving the low frequency alternating magnetic field signal carrying described first distance reference information.
Further, above-mentioned communication system also can have following characteristics, and described first reference cell comprises the second benchmark subelement, for being sent described first distance reference information by ultrasonic signal; Described first determination unit comprises the second reception subelement, for receiving the ultrasonic signal carrying described first distance reference information.
Further, above-mentioned communication system also can have following characteristics, and described first wireless communication unit and described second wireless communication unit are any one in WIFI wireless communication module, Bluetooth wireless communication module, super wideband wireless transmission UWB module.
Further, above-mentioned communication system also can have following characteristics, described first module information comprises service set SSID, the physical address of the first module, the authenticate key of the first module, and described communication distance information is any one in the Echo Rating of signal strength threshold value, change in signal strength amount, change in signal strength rate and signal.
Further, above-mentioned communication system also can have following characteristics, and described first communication equipment or second communication equipment are computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
For solving the problems of the technologies described above, the invention allows for a kind of communication means, being applied to above-mentioned communication system, comprising:
First communication equipment sends the first distance reference information to second communication equipment;
Described second communication equipment judges distance between described first communication equipment and described second communication equipment whether in default distance range according to the described first distance reference information received;
If judged result be distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data.
Further, above-mentioned communication means also can have following characteristics, also comprises:
Described second communication equipment sends second distance reference information to the first communication equipment;
Described first communication equipment judges distance between described first communication equipment and described second communication equipment whether in the distance range preset according to the described second distance reference information received;
If then judged result be distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data and be specially:
If the judged result of described first communication equipment and described second communication equipment is distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data.
Further, above-mentioned communication means also can have following characteristics, comprises the first module information and communication distance information in described first distance reference information.
Further, above-mentioned communication means also can have following characteristics, and described first communication equipment sends the first distance reference information to described second communication equipment and is specially:
First communication equipment sends the first distance reference information by low frequency alternating magnetic field signal or ultrasonic wave to second communication equipment.
Further, above-mentioned communication means also can have following characteristics, and described first communication equipment and described second communication equipment are set up radio communication and is connected and carries out exchanges data and be specially: described first communication equipment is set up radio communication with described second communication equipment by WIFI communication, Bluetooth wireless communication mode or super wideband wireless transmission UW mode and is connected and carries out exchanges data.
For solving the problems of the technologies described above, the invention allows for a kind of communication equipment, comprising the first module or the second module, wherein,
Described first module comprises: reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit in described second module and carries out exchanges data; First control unit, for described control first reference cell and described first wireless communication unit;
Described second module comprises: determination unit, for receiving the first distance reference information, and judges distance between the first module and this second module whether in the distance range preset according to this first distance reference information; Second wireless communication unit, during for the distance between described first module and this second module in the distance range preset, sets up radio communication with the first wireless communication unit in described first module and is connected and carries out exchanges data; Second control unit, for controlling described first determination unit and described second wireless communication unit.
Further, above-mentioned communication equipment also can have following characteristics, and described communication equipment is computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
For solving the problems of the technologies described above, the invention allows for a kind of communication equipment, comprising the first module and the second module, wherein,
Described first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit in external communication device and carries out exchanges data; First control unit, for controlling described first reference cell and described first wireless communication unit;
Described second module comprises: the second determination unit, for receiving the second distance reference information that external communication device sends, and judge distance between described external communication device and this communication equipment whether in the distance range preset according to this second distance reference information; Second wireless communication unit, during for the distance between described external communication device and this communication equipment in the distance range preset, sets up radio communication with the first wireless communication unit in described external communication device and is connected and carries out exchanges data; Second control unit, for controlling described second determination unit and described second wireless communication unit.
Further, above-mentioned communication equipment also can have following characteristics, and described communication equipment is computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
The necessary condition that communication system of the present invention and method utilize communication distance information to connect as radio communication, make the first communication equipment, communication distance condition that second communication equipment meets regulation can set up radio communication immediately, fast and efficiently and carry out exchanges data, thus avoid the problem such as exchange agreement of pre-configured, addressing, handshake authentication, configuration complexity, for exchanges data instant between electronic equipment provides great convenience.Meanwhile, utilize the present invention, between each electronic equipment in the communication range limited, can automatic network-building be carried out, can intercom mutually between two between multiple stage communication equipment, also can by an equipment as the first communication equipment, miscellaneous equipment is as second communication devices communicating.Visible, present invention achieves radio communication and the exchanges data of instant, quick, efficient, the automatic network-building within the scope of predeterminable range.
Accompanying drawing explanation
Fig. 1 is the structure chart of communication system in the embodiment of the present invention;
Fig. 2 is the flow chart of communication means in the embodiment of the present invention;
Fig. 3 is the network organization process schematic of communication system in the embodiment of the present invention.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 is the structure chart of communication system in the embodiment of the present invention.As shown in Figure 1, in the present embodiment, communication system comprises the first communication equipment 10 and second communication equipment 20.Wherein, the first communication equipment 10 has the first module 100, and second communication equipment 20 has the second module 200.
Wherein, the first module 100 comprises the first reference cell 110, first wireless communication unit 120 and the first control unit 130, first reference cell 110, first wireless communication unit 120 is connected with the first control unit 130 respectively; Second module 200 comprises the first determination unit 210, second wireless communication unit 220 and the second control unit 230, first determination unit 210, second wireless communication unit 220 is connected with the second control unit 230 respectively.
First reference cell 110 is for sending the first distance reference information; First wireless communication unit 120 is connected for setting up radio communication with the second wireless communication unit 220 and carries out exchanges data; First control unit 130 is for controlling the first reference cell 110 and the first wireless communication unit 120.Wherein, the first module information and communication distance information is comprised in the first distance reference information.First module information can be the SSID(Service Set Identifier of the first module, service set), the physical address of the first module, authenticate key or certificate of certification etc.; Communication distance information can be the Echo Rating etc. of signal strength threshold value, the variable quantity of signal strength signal intensity or rate of change, signal.
The first distance reference information that first determination unit 210 sends for receiving the first reference cell 110, and judge distance between the first module 100 and the second module 200 whether in the distance range preset according to this first distance reference information; Second wireless communication unit 220, for when the distance between the first module 100 and the second module 200 is in default distance range, is set up radio communication with the first wireless communication unit 120 and is connected and carries out exchanges data; Second control unit 230 is for controlling the first determination unit 210 and the second wireless communication unit 220.
In other embodiments of the invention, as required, also determination unit and reference cell can be had concurrently in first module and the second module, now, second module also to the first module transmission range reference signal, can be judged the distance of the first module and the second intermodule according to this distance reference signal by the first module.The accurate of Distance Judgment is guaranteed by two-way judgement.
And the first determination unit 210 can send second distance reference signal by reverse link communication passage to the first reference cell 110, correspondingly, the first control unit 130 in the first module and the second control unit 230 in the second module can have controlling functions each other to realize the range determination between the first module 100 and the second module 200.
In embodiments of the present invention, communication system can comprise multiple first communication equipment 10 and multiple second communication equipment 20, also can comprise first communication equipment 10 and multiple second communication equipment 20.When communication system comprises multiple first communication equipment and multiple second communication equipment, multiple first communication equipment can intercom between two mutually with multiple second communication equipment.
If not only comprise the first module 100 but also comprise the second module 200 in a communication equipment, then this communication equipment both can as the first communication equipment in communication system of the present invention, also can as the second communication equipment in communication system of the present invention.In a particular application, this communication equipment can be set by the user as the first communication equipment or second communication equipment, or carries out switching controls by the software of this communication equipment self according to embody rule scene.
Set up radio communication between first module 100 and the second module 200 to connect and the speed of carrying out exchanges data sends the speed of the first distance reference information higher than the first module 100.Reference cell 110 can send the first distance reference information by low frequency alternating magnetic field signal or ultrasonic signal.Therefore, the first reference cell 110 can comprise the first benchmark subelement, and the first benchmark subelement is used for sending described first distance reference information by low frequency alternating magnetic field signal; Correspondingly, the first determination unit 210 can comprise the first reception subelement, and first receives subelement for receiving the low frequency alternating magnetic field signal carrying described first distance reference information.The frequency of low frequency alternating magnetic field signal can be 500Hz, 1KHz, 1.5KHz, 2KHz, 2.5KHz, 3KHz, 4KHz, 5KHz, 10KHz, 20KHz, 30KHz or 10MHz etc.First reference cell 110 can comprise the second benchmark subelement, and the second benchmark subelement is used for sending the first distance reference information by ultrasonic signal; Correspondingly, the first determination unit 210 can comprise the second reception subelement, and second receives subelement for receiving the ultrasonic signal carrying the first distance reference information.
Wherein, the first wireless communication unit 120 or the second wireless communication unit 220 can be WIFI wireless communication module, Bluetooth wireless communication module or super wideband wireless transmission UWB(Ultra Wideband, and super wideband wireless transmits) module.The working frequency points of the first wireless communication unit 130 and the second wireless communication unit can be 2302.4GHz, 433MHz, 900MHz, 5.8GHz or 60GHz etc.
Wherein, the distance range preset can set according to specific needs, such as, be set within 1 meter by default distance range.
Wherein, first communication equipment or second communication equipment can be the intelligent terminals such as computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF, also can be intelligent automobiles or with the automobile, train, the intelligent transportation instrument such as aircraft or steamer that provide data interaction function.
The course of work of communication system of the present invention is as follows:
One, first reference cell 110 sends the first distance reference information to the first determination unit 210.
Two, first determination unit 210 receives the first distance reference information, and judge distance between the first module 100 and the second module 200 whether in the distance range preset according to the first distance reference information, the distance of the distance between the first module 100 and the second module 200 also namely between the first communication equipment 10 and second communication equipment 20.
Three, according to the judged result of the first determination unit 210, second control unit 230 determines that whether setting up radio communication connects and carry out exchanges data, if the judged result of the first determination unit 210 is that distance between the first module 100 and the second module 200 is in the distance range preset, then the second control unit 230 sends the order of setting up radio communication and connecting and carrying out exchanges data to the second wireless communication unit 220, otherwise does not allow the second wireless communication unit set up radio communication connection and carry out exchanges data.
Four, the control command that second wireless communication unit 220 sends according to the second control unit 230, when distance between the first module 100 and the second module 200 meets in the distance range preset, automatically set up radio communication with the first wireless communication unit 120 and be connected and carry out exchanges data; Here, it is automatically set up that second wireless communication unit 220 is connected with the radio communication of the first wireless communication unit 120, avoid that to need technology such as resembling current Wi-Fi, bluetooth between the first communication equipment and second communication equipment pre-configured, and addressing, handshake authentication, configuration complexity exchange agreement etc., to achieve immediately, wireless connections fast and efficiently.According to the first distance reference information received, second module judges that the distance of the first module and the second intermodule meets preset range after, second module first stops receiving range reference signal, and the first module and the second module are set up radio communication again and be connected and carry out exchanges data.
Five, exchanges data is complete, when distance between first communication equipment 10 and second communication equipment 20 no longer meets the condition in the distance range preset, then the radio communication between the second wireless communication unit 220 with the first wireless communication unit 120 is connected and automatically disconnects.
The network organization process of communication system of the present invention, as shown in Figure 3.
One, after device A and equipment C set up and communicate and connect, Stochastic choice equipment, as main frame (hypothesis is selected with equipment C as main frame), sets up public keys as the equipment C of main frame herein, and the communication both controlling.Disclosed in public keys is in the communication network set up (comprising device A and equipment C), device A can obtain public keys.Device A can initiatively to the request of equipment C initiating communication, and vice versa.
Two, when equipment B needs to add with the equipment C communication network that is main frame, main process equipment C re-establishes a public keys, all devices in this new communication network (comprising device A, equipment B and equipment C) can obtain this public keys, now, can initiate mutually active communication request between two between device A, equipment B, equipment C tri-equipment, more equipment also can according to said method add communication network and communicate.
The necessary condition that communication system of the present invention utilizes communication distance information to connect as radio communication, make the first communication equipment, communication distance condition that second communication equipment meets regulation can set up radio communication immediately, fast and efficiently and carry out exchanges data, thus avoid the problem such as exchange agreement of pre-configured, addressing, handshake authentication, configuration complexity, for exchanges data instant between electronic equipment provides great convenience.Meanwhile, utilize communication system of the present invention, between each electronic equipment in the communication range limited, automatic network-building can be carried out, can intercom mutually between two between multiple stage communication equipment, also can by an equipment as the first communication equipment, miscellaneous equipment is as second communication devices communicating.Visible, communication system of the present invention achieves radio communication and the exchanges data of instant, quick, efficient, the automatic network-building within the scope of predeterminable range.
Communication system of the present invention can be applied to plurality of devices, communication such as between mobile phone and mobile phone, communication between digital camera and DPF, between computer and mobile phone, communication between computer and electronic reader etc. between all kinds of intelligent terminal, and communication terminal and intelligent automobile, communication terminal and the automobile that data, services is provided, train, communication between the intelligent transportation such as aircraft or steamer instrument, thus meet the growing information requirement of people, make people can whenever and wherever possible with other intelligent terminals of surrounding and/or with providing the intelligent transportation instrument of data, services to carry out alternately, make the acquisition data message that people can be more convenient.
The invention allows for a kind of communication means, this communication means is applied to above-mentioned communication system.Fig. 2 is the flow chart of communication means in the embodiment of the present invention.As shown in Figure 2, in the present embodiment, the flow process of communication means comprises:
Step 201, the first communication equipment sends the first distance reference information to second communication equipment;
Wherein, the first module information and communication distance information is comprised in the first distance reference information.First module information can be the service set SSID of the first module, the physical address of the first module, authenticate key or certificate of certification etc.; Communication distance information can be the Echo Rating etc. of signal strength threshold value, the variable quantity of signal strength signal intensity or rate of change, signal.
First communication equipment can send the first distance reference information by low frequency alternating magnetic field signal or ultrasonic signal.
Step 202, second communication equipment receives the first distance reference information;
Step 203, second communication equipment judges distance between the first communication equipment and second communication equipment whether in the distance range preset according to this first distance reference information, if then perform step 204, otherwise performs step 205;
Wherein, the distance range preset can set according to embody rule.
Step 204, second communication equipment and the first communication equipment are set up radio communication and are connected and carry out exchanges data;
As long as meet the condition of distance in the distance range preset between the first communication equipment and second communication equipment, second communication equipment is connected with the first communication equipment with regard to automatically setting up radio communication and carries out exchanges data.After exchanges data, when the distance between the first communication equipment and second communication equipment no longer satisfies condition, radio communication connects and will automatically disconnect.Whole radio communication connection procedure does not need the exchange agreement etc. of pre-configured, addressing, handshake authentication, configuration complexity, instant, quick and easy.
In other embodiments of communication means of the present invention, also can determine whether that setting up radio communication connects by two-way Distance Judgment.Namely send the first distance reference information at the first communication equipment to second communication equipment, judge on the basis of the spacing of the first communication equipment and second communication equipment by second communication equipment according to the first distance reference information, second communication equipment also can send second distance reference information to the first communication equipment, is judged the spacing of the first communication equipment and second communication equipment by the first communication equipment according to second distance reference information; If the judged result of the first communication equipment and second communication equipment is distance between the first communication equipment and described second communication equipment in the distance range preset, then the first communication equipment and second communication equipment just can be set up radio communication and is connected and carries out exchanges data.
Step 205, does not allow to set up radio communication and connects and carry out exchanges data.
The necessary condition that communication means of the present invention utilizes communication distance information to connect as radio communication, make the first communication equipment, communication distance condition that second communication equipment meets regulation can set up radio communication immediately, fast and efficiently and carry out exchanges data, thus avoid the problem such as exchange agreement of pre-configured, addressing, handshake authentication, configuration complexity, for exchanges data instant between electronic equipment provides great convenience.Meanwhile, utilize communication means of the present invention, between each electronic equipment in the communication range limited, automatic network-building can be carried out, can intercom mutually between two between multiple stage communication equipment, also can by an equipment as the first communication equipment, miscellaneous equipment is as second communication devices communicating.Visible, communication means of the present invention achieves radio communication and the exchanges data of instant, quick, efficient, the automatic network-building within the scope of predeterminable range.
The invention allows for a kind of communication equipment.
In an embodiment of communication equipment of the present invention, this communication equipment comprises aforesaid first module or the second module.Wherein, the first module comprises reference cell, the first wireless communication unit and the first control unit, and reference cell is for sending the first distance reference information; First wireless communication unit is used for setting up radio communication with the second wireless communication unit in the second module and is connected and carries out exchanges data; First control unit is for controlling reference cell and the first wireless communication unit.Second module comprises determination unit, the second wireless communication unit and the second control unit, determination unit for receiving the first distance reference information, and judges distance between the first module and this second module whether in the distance range preset according to this first distance reference information; Second wireless communication unit, for when the distance between the first module and this second module is in default distance range, is set up radio communication with the first wireless communication unit in the first module and is connected and carries out exchanges data; Second control unit is for controlling determination unit and the second wireless communication unit.Wherein, communication equipment can be the intelligent terminals such as computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
In another embodiment of communication equipment of the present invention, this communication equipment comprises aforesaid first module and the second module.Now, the first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit in external communication device and carries out exchanges data; First control unit, for controlling the first reference cell and the first wireless communication unit.Second module comprises: the second determination unit, for receiving the second distance reference information that external communication device sends, and judges distance between external communication device and this communication equipment whether in the distance range preset according to this second distance reference information; Second wireless communication unit, during for the distance between external communication device and this communication equipment in the distance range preset, sets up radio communication with the first wireless communication unit in external communication device and is connected and carries out exchanges data; Second control unit, for controlling the second determination unit and the second wireless communication unit.Wherein, communication equipment can be the intelligent terminals such as computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
The necessary condition that communication terminal of the present invention utilizes communication distance information to connect as radio communication, can radio communication be set up when the communication distance condition of satisfied regulation immediately, fast and efficiently and carry out exchanges data, thus avoid the problem such as exchange agreement of pre-configured, addressing, handshake authentication, configuration complexity, for exchanges data provides great convenience.Meanwhile, communication equipment of the present invention can carry out automatic network-building, can intercom mutually between two between multiple stage communication equipment, also can by an equipment as the first communication equipment, and miscellaneous equipment is as second communication devices communicating.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a communication system, is characterized in that, comprises first communication equipment with the first module and the second communication equipment with the second module,
Described first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit and carries out exchanges data; First control unit, for controlling described first reference cell and described first wireless communication unit;
Described second module comprises: the first determination unit, for receiving described first distance reference information, and judges distance between described first module and described second module whether in default distance range according to this first distance reference information; Second wireless communication unit, during for the distance between described first module and described second module in the distance range preset, sets up radio communication with described first wireless communication unit and is connected and carries out exchanges data; Second control unit, for controlling described first determination unit and described second wireless communication unit;
The second reference cell is also comprised in described second module, the second determination unit is also comprised in described first module, described second reference cell is for sending second distance reference information, and described second determination unit is used for judging distance between described first module and described second module whether in default distance range according to the second distance reference information received.
2. communication system according to claim 1, is characterized in that, comprises the first module information and communication distance information in described first distance reference information.
3. communication system according to claim 1, is characterized in that, described first reference cell comprises the first benchmark subelement, for being sent described first distance reference information by low frequency alternating magnetic field signal; Described first determination unit comprises the first reception subelement, for receiving the low frequency alternating magnetic field signal carrying described first distance reference information.
4. communication system according to claim 1, is characterized in that, described first reference cell comprises the second benchmark subelement, for being sent described first distance reference information by ultrasonic signal; Described first determination unit comprises the second reception subelement, for receiving the ultrasonic signal carrying described first distance reference information.
5. communication system according to claim 1, is characterized in that, described first wireless communication unit and described second wireless communication unit are any one in WIFI wireless communication module, Bluetooth wireless communication module, super wideband wireless transmission UWB module.
6. communication system according to claim 2, it is characterized in that, described first module information comprises service set SSID, the physical address of the first module, the authenticate key of the first module, and described communication distance information is any one in the Echo Rating of signal strength threshold value, change in signal strength amount, change in signal strength rate and signal.
7. communication system according to claim 1, it is characterized in that, described first communication equipment or second communication equipment are computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
8. a communication means, is applied to communication system according to claim 1, it is characterized in that, comprising:
First communication equipment sends the first distance reference information to second communication equipment;
Described second communication equipment judges distance between described first communication equipment and described second communication equipment whether in default distance range according to the described first distance reference information received;
If judged result be distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data;
Described second communication equipment sends second distance reference information to the first communication equipment;
Described first communication equipment judges distance between described first communication equipment and described second communication equipment whether in the distance range preset according to the described second distance reference information received;
If then judged result be distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data and be specially:
If the judged result of described first communication equipment and described second communication equipment is distance between described first communication equipment and described second communication equipment in the distance range preset, then described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data.
9. communication means according to claim 8, is characterized in that, comprises the first module information and communication distance information in described first distance reference information.
10. communication means according to claim 8, is characterized in that, described first communication equipment sends the first distance reference information to described second communication equipment and is specially:
First communication equipment sends the first distance reference information by low frequency alternating magnetic field signal or ultrasonic wave to second communication equipment.
11. communication meanss according to claim 8, it is characterized in that, described first communication equipment and described second communication equipment are set up radio communication and are connected and carry out exchanges data and be specially: described first communication equipment is set up radio communication with described second communication equipment by WIFI communication, Bluetooth wireless communication mode or super wideband wireless transmission UW mode and is connected and carries out exchanges data.
12. 1 kinds of communication equipments, is characterized in that, comprise the first module or the second module, wherein,
Described first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit in described second module and carries out exchanges data; First control unit, for described control first reference cell and described first wireless communication unit;
Described second module comprises: the first determination unit, for receiving the first distance reference information, and judges distance between the first module and this second module whether in the distance range preset according to this first distance reference information; Second wireless communication unit, during for the distance between described first module and this second module in the distance range preset, sets up radio communication with the first wireless communication unit in described first module and is connected and carries out exchanges data; Second control unit, for controlling described first determination unit and described second wireless communication unit;
The second reference cell is also comprised in described second module, the second determination unit is also comprised in described first module, described second reference cell is for sending second distance reference information, and described second determination unit is used for judging distance between described first module and described second module whether in default distance range according to the second distance reference information received.
13. communication equipments according to claim 12, is characterized in that, described communication equipment is computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
14. 1 kinds of communication equipments, is characterized in that, comprise the first module and the second module, wherein,
Described first module comprises: the first reference cell, for sending the first distance reference information; First wireless communication unit, is connected for setting up radio communication with the second wireless communication unit in external communication device and carries out exchanges data; First control unit, for controlling described first reference cell and described first wireless communication unit;
Described second module comprises: the second determination unit, for receiving the second distance reference information that external communication device sends, and judge distance between described external communication device and this communication equipment whether in the distance range preset according to this second distance reference information; Second wireless communication unit, during for the distance between described external communication device and this communication equipment in the distance range preset, sets up radio communication with the first wireless communication unit in described external communication device and is connected and carries out exchanges data; Second control unit, for controlling described second determination unit and described second wireless communication unit.
15. communication equipments according to claim 14, is characterized in that, described communication equipment is computer, personal digital assistant PDA, mobile phone, digital camera, Digital Video, electronic reader, audio and video display device or DPF.
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| CN201110325398.2A CN103067050B (en) | 2011-10-24 | 2011-10-24 | A kind of communication system and method |
| PCT/CN2012/079071 WO2013060172A1 (en) | 2011-10-24 | 2012-07-24 | Initiating terminal, responding terminal, communication system and method |
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| CN104066205B (en) * | 2014-07-03 | 2018-10-26 | 乐鑫信息科技（上海）有限公司 | A kind of equipment connection method and device based on received signal strength |
| CN104506211A (en) * | 2014-12-30 | 2015-04-08 | 李俊涛 | Mobile terminal based magnetic pairing communication method and system |
| CN104660307B (en) * | 2015-02-16 | 2018-01-02 | 广州丰谱信息技术有限公司 | Based near field magnetic relaying and the soft replacement encrypted wireless communication system of user |
| CN104954079B (en) * | 2015-06-15 | 2017-05-31 | 广东小天才科技有限公司 | The method and system of coding and decoding in a kind of acoustic communication |
| CN107948958A (en) * | 2017-11-16 | 2018-04-20 | 中科创达软件股份有限公司 | A kind of method, apparatus and central equipment that information is transmitted based on BLE |
| CN110460974A (en) * | 2019-09-24 | 2019-11-15 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of wireless communications method |
| CN111246391A (en) * | 2020-01-13 | 2020-06-05 | 上海思立微电子科技有限公司 | Wireless data transmission method, device and equipment |
| CN112714505A (en) * | 2020-12-25 | 2021-04-27 | 上海东普信息科技有限公司 | Wireless communication method for unmanned aerial vehicle and carrying box and related equipment |
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