CN103857067A - Wifi wireless relay device - Google Patents
Wifi wireless relay device Download PDFInfo
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- CN103857067A CN103857067A CN201410090704.2A CN201410090704A CN103857067A CN 103857067 A CN103857067 A CN 103857067A CN 201410090704 A CN201410090704 A CN 201410090704A CN 103857067 A CN103857067 A CN 103857067A
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Abstract
The invention discloses a WIFI wireless relay device which is used for achieving wireless transmission of signals between UE and a moving communication terminal. The WIFI wireless relay device comprises a first WIFI relay device arranged on the UE and the first WIFI relay device comprises a first WIFI communication module and a first wireless receiving and transmitting module. The UE carries out double-direction wireless data transmission with the moving communication terminal through the first WIFI communication module or the first wireless transmitting and receiving module. When the distance between the moving communication terminal and the UE is large, the far end of the UE is provided with a second WIFI relay device which comprises a second WIFI communication module and a second wireless receiving and transmitting module. The further wireless communicating between the moving communication terminal and the UE is achieved through coordination work of the first WIFI relay and the second WIFI relay. According to the WIFI wireless relay device, the wireless communication distance is prolonged and communication safety and the speed of data transmission are improved.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to the WIFI relay apparatus that expands WIFI communication distance.
Background technology
Along with scientific and technical fast development, means of communication is also constantly being weeded out the old and bring forth the new, and its application on various device is also more extensive.If the laser surveying instrument such as Geoplane, total powerstation is in the time carrying out engineering survey, to realize operation control to instrument by infrared technique at present, so the method communication distance of infrared remote control is shorter, generally can not exceed 20 meters, and infrared signal is in the outdoor interference that is easily subject to environment, and the Stability and dependability of communication is lower.
In addition, applicant has has also researched and developed the mode of carrying out subscriber equipment remote controlled with signals by Bluetooth communication, and this mode is longer than the signal transmission distance of infrared mode, and controls more reliable.But versions is more, and a lot of equipment can only be supported specific versions, platform poor compatibility.Dedicated remote control need to additionally carry, and easily loses.
At present, along with popularizing of smart mobile phone and mobile internet device, WIFI technology is also applied in increasing field, but the communication distance of WIFI is shorter, the longest distance of conventional WIFI communication is in 100 meters, therefore, has greatly limited the application of WIFI communication.
Summary of the invention
The object of the invention is to overcome the defect of background technology, propose a kind of WIFI relay apparatus, its mode combining with radio receiving transmitting module by WIFI communication module extends the distance that WIFI communicates by letter.
For achieving the above object, the present invention proposes following technical scheme: a kind of WIFI relay apparatus, for realizing the wireless transmission of signal between subscriber equipment and mobile communication terminal, comprise the WIFI repeater being arranged on described subscriber equipment, a described WIFI repeater comprises a WIFI communication module and the first radio receiving transmitting module, and described subscriber equipment carries out two-way Wireless Data Transmission by a WIFI communication module or the first radio receiving transmitting module and described mobile communication terminal.
Further, described WIFI relay apparatus also comprises the 2nd WIFI repeater, and described the 2nd WIFI repeater comprises the 2nd WIFI communication module and the second radio receiving transmitting module, wherein:
Described the 2nd WIFI communication module is for realizing Wireless Data Transmission two-way between a described WIFI communication module and described mobile communication terminal;
Described the second radio receiving transmitting module is for realizing Wireless Data Transmission two-way between described the first radio receiving transmitting module and described the 2nd WIFI communication module.
Further, in described subscriber equipment, be provided with main control unit, a described WIFI repeater carries out transfer of data by the main control unit of local communication interface and described subscriber equipment.
Further, when the close together between mobile communication terminal and subscriber equipment (in 100 meters), described subscriber equipment can directly carry out transfer of data with described mobile terminal device by a described WIFI communication module.
Further, in the time of distant (between 100-300 rice) between mobile communication terminal and subscriber equipment, described subscriber equipment is realized with described mobile terminal device and is carried out transfer of data by a described WIFI communication module and the 2nd WIFI communication module.
Further, when the distance between mobile communication terminal and subscriber equipment farther (between 300-1000 rice), described subscriber equipment is by described the first radio receiving transmitting module, and the second radio receiving transmitting module and the 2nd WIFI communication module realize with described mobile terminal device carries out transfer of data.
Further, the working band of described the first radio receiving transmitting module and the second radio receiving transmitting module comprises 315MHz, 433MHz or 915MHz.
Further, on the same working frequency range of described the first radio receiving transmitting module and the second radio receiving transmitting module, support multichannel communication channel.
Further, described the first radio receiving transmitting module and described the second radio receiving transmitting module be for being selected from FSK, OOK, MSK, the wireless module of GMSK modulation mode.
Further, a described WIFI communication module and the 2nd WIFI communication module are operated under ap mode.
Described mobile communication terminal comprises the intelligent terminal of smart mobile phone or other supports WIFI.Described subscriber equipment can be scanner, GNSS, total powerstation, rangefinder, spirit level.Compared with prior art, the invention has the beneficial effects as follows:
1. expanded communication distance.The built-in WIFI repeater of subscriber equipment, by mobile terminal device, WIFI is direct-connected, and field can reach the communication distance of 100 meters, and by increasing WIFI repeater, communication distance can be expanded to 350~1000 meters.
2. increase communications security, prevent misoperation.WIFI has communication authentication functions, needs service set SSID and code authentication, high reliability.
3.WIFI communication adopts tcp/ip communication, and data bandwidth is large, and traffic rate is high, has solved communication data low bandwidth, between low rate, inscribes.
Brief description of the drawings
Fig. 1 is mode of operation one schematic diagram of the WIFI relay apparatus of the embodiment of the present invention 1;
Fig. 2 is mode of operation two schematic diagrames of the WIFI relay apparatus of the embodiment of the present invention 1;
Fig. 3 is the schematic diagram of the WIFI relay apparatus of the embodiment of the present invention 2.
Embodiment
Below in conjunction with accompanying drawing of the present invention, the technical scheme of the embodiment of the present invention is carried out to clear, complete description.
Disclosed WIFI relay apparatus, it is built-in with WIFI communication module and radio receiving transmitting module, can carry out the transmitted in both directions of data between WIFI communication module and radio receiving transmitting module.This WIFI relay apparatus can be placed in the inside of subscriber equipment, in order to realize the transfer of data between subscriber equipment and mobile communication terminal.Following according to the mode of operation difference of WIFI relay apparatus, describe in detail with different embodiment respectively.
As shown in Figure 1 and Figure 2, as preferred embodiment of the present invention, the first embodiment can realize subscriber equipment and communicate by letter with closely (in 100), middle distance (100-300 rice) and the switching of remote (300-1000 rice) of mobile communication terminal 5, has especially realized the telecommunication between scanner 1 and mobile communication terminal 5.
In the present embodiment, described WIFI relay apparatus comprises a WIFI repeater 2 and the 2nd WIFI repeater 4.
As shown in Figure 1, a described WIFI repeater 2 comprises a WIFI communication module 21 and the first radio receiving transmitting module 22, and described the first radio receiving transmitting module 22 and a WIFI communication module 21 can be carried out the transmission of bi-directional data with the main control unit 12 of subscriber equipment 1 respectively.
Described the 2nd WIFI repeater 4 comprises the 2nd WIFI communication module 41 and the second radio receiving transmitting module 42, between described the 2nd WIFI communication module 41 and the second radio receiving transmitting module 42, can realize two-way communication, described the 2nd WIFI communication module 41 also with a described WIFI repeater 2 in a WIFI communication module 21 can two-way communication, described the second radio receiving transmitting module 42 also with a described WIFI repeater 2 in the first radio receiving transmitting module 22 can two-way communication.
In the time that subscriber equipment 1 is communicated by letter with remote (the 300-1000 rice) of mobile communication terminal 5 (under repeater mode), a WIFI communication module 21 on the one WIFI repeater 2 is placed in to closed condition, the first radio receiving transmitting module 22, the second radio receiving transmitting modules 42 and the 2nd WIFI communication module 41 are placed in to open mode.Described mobile communication terminal 5 is communicated by letter with the main control unit 12 of subscriber equipment 1 with the first radio receiving transmitting module 22 by the 2nd WIFI repeater 4, be that mobile communication terminal 5 is by the 2nd WIFI repeater 4 and first operating state of radio receiving transmitting module 22 inquiring user equipment or the running parameter of configure user equipment 1, main control unit 12 passes through the first radio receiving transmitting module 22 by the second radio receiving transmitting module 42 of the status information feedback to the of subscriber equipment 1 two WIFI repeaters 4, the second radio receiving transmitting module 42 receives after this state information, by the 2nd WIFI communication module 42 the most at last the job information of subscriber equipment 1 feed back to mobile communication terminal 5, make user can understand in real time the state information of subscriber equipment 1, simultaneously, user is again by mobile communication terminal 5, configuration parameter is transmitted to main control unit 12 by the 2nd WIFI communication module 41, the second radio receiving transmitting module 42, the first radio receiving transmitting module 22 successively, thus realize remote wireless signal transmission and can be handling.
Wherein, the first radio receiving transmitting module 22 is connected with main control unit 12 by local communication interface, and local communication interface is generally the wireline interfaces such as RS232 serial ports, RS485 port or SPI interface.
In the time of the medium distance communication of subscriber equipment 1 and mobile communication terminal 5, open the 2nd WIFI communication module 41 on the 2nd WIFI repeater 4, as shown in Figure 2, described mobile communication terminal 5 is communicated by letter with the main control unit 12 of subscriber equipment with a WIFI communication module 21 by the 2nd WIFI communication module 41, particularly, mobile communication terminal 5 is by the 2nd WIFI communication module 41 and an operating state for WIFI communication module 21 inquiring user equipment or the running parameter of configure user equipment, and facility information is fed back on mobile communication terminal 5, make user can understand in real time the state information of subscriber equipment 1, simultaneously, user can be according to the needs of the state information of the subscriber equipment of receiving and measurement, the control information of adjusting subscriber equipment is sent to the 2nd WIFI communication module 41 by mobile communication terminal 5, the 2nd WIFI communication module 41 is further transmitted to main control unit 12 by this control information by a WIFI communication module 21 again, thus realize near, middle distance (100-300 rice) wireless signal transmission and can be handling.
More preferably, when the information of carrying out passes mutually between the 2nd WIFI communication module 41 on a WIFI communication module 21 and the 2nd WIFI repeater 4, the second radio receiving transmitting module 42 on the 2nd WIFI repeater 4 can be placed in to closed condition, to reduce equipment power dissipation.
When subscriber equipment 1 and mobile communication terminal 5 are during the communicating by letter of closer distance, close the 2nd WIFI repeater 4, described mobile communication terminal 5 is communicated by letter with the main control unit of subscriber equipment 1 by the WIFI communication module 21 on a WIFI repeater 2.Mobile communication terminal 5 can the operating state of inquiring user equipment 1 or the running parameter of configure user equipment 1 by a WIFI communication module 21, and equipment alarm information is reported on mobile communication terminal.
In the present embodiment, by being set, two repeaters realize telecommunication, and can under varying environment, switch, when more remote, pass through the radio receiving transmitting module communication in two repeaters, in the time of closer distance, directly communicate by letter by one or two WIFI communication module, WIFI traffic rate is fast, bandwidth is high, can realize the function of radio upgrade loading equipment software.
Described subscriber equipment can be scanner, the measuring instruments such as spirit level or total powerstation, and taking scanner as example, described the 2nd WIFI repeater 4 can be arranged in the detector of surveying scanner signal, also can be arranged on the tripod that supports scanner., can also be integrated in shell, scale or the key chain of holder, mobile terminal, as long as can make mobile communication terminal realize Long-distance Control and the monitoring to scanner in position far away meanwhile.
The disclosed WIFI relay apparatus of second embodiment of the invention, as shown in Figure 3, described WIFI relay apparatus comprises a WIFI repeater 2, it saves the 2nd WIFI repeater 4 WIFI relay apparatus of (be equivalent to the 2nd WIFI repeater 4 in embodiment mono-and be placed in closed condition) for first embodiment of the invention, a described WIFI repeater 2 comprises a WIFI communication module 21 and the first radio receiving transmitting module 22, described the first radio receiving transmitting module 22 and a WIFI communication module 21 can be carried out the transmission of bi-directional data with the main control unit 12 of subscriber equipment 1 respectively.
As shown in Figure 3, a described WIFI communication module 21 is arranged on subscriber equipment 1, and under mode of operation in AP, for realizing the radio communication between mobile communication terminal 5 and main control unit 12, be that mobile communication terminal 5 will radio to main control unit by WIFI to the control information of the Query Information of subscriber equipment operating state and configuration scanner running parameter, described main control unit 12 by a described WIFI repeater 2 (or a WIFI communication module 21) directly by status information feedback to mobile communication terminal, the present embodiment is applicable to the communication of subscriber equipment and described mobile communication terminal closer distance.
In above-mentioned two embodiment, a described WIFI communication module 11 adopts 2.4G wireless technology, to improve the antijamming capability of signal, and between mobile communication terminal 5 and a WIFI communication module 11 before information send and receive, need to pass through the SSID of WIFI and the secure authentication program of code authentication, thereby increase the fail safe of communication.
The state information that main control unit 12 feeds back to the subscriber equipment operating state of mobile communication terminal 5 comprises the mode of operation information of subscriber equipment, the running parameter information of subscriber equipment, warning information and software information etc., the control information that described mobile communication terminal 5 sends to main control unit 12 comprises mode of operation and the running parameter of real-time configure user equipment, the operating state of inquiring user equipment, warning information is set, and renewal to device software etc.
Described mobile communication terminal 5, taking smart mobile phone as good, can be also other handheld terminal.Subscriber equipment APP software is installed on mobile phone, and user sends control information according to subscriber equipment APP software.The mounting platform of this software includes but not limited to iOs, Android, WindowsPhone platform.
The transmitting power of WIFI communication module is with+16dBm, and receiving sensitivity is taking-93dBm as good.WIFI communication module is operated in ap mode.
The transmitting power of radio receiving transmitting module is with+20dBm, and receiving sensitivity, taking-118dBm as good, can be selected the wireless module of FSK, OOK, GFSK, MSK or GMSK modulation mode.
Radio receiving transmitting module or WIFI communication module can be selected multiple working bands, and conventional public free frequency range is 315MHz at present, 433MHz, 915MHz.And can support multichannel communication channel on same working frequency range, when there being communication channel conflict time, can frequency modulation change to other channels and carry out work.
Technology contents of the present invention and technical characterictic have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present invention and announcements and are done all replacement and modifications that does not deviate from spirit of the present invention; therefore; protection range of the present invention should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present invention and modifications, and contained by present patent application claim.
Claims (11)
1. a WIFI relay apparatus, for realizing the wireless transmission of signal between subscriber equipment and mobile communication terminal, it is characterized in that, comprise the WIFI repeater being arranged on described subscriber equipment, a described WIFI repeater comprises a WIFI communication module and the first radio receiving transmitting module, and described subscriber equipment carries out two-way Wireless Data Transmission by a WIFI communication module or the first radio receiving transmitting module and described mobile communication terminal.
2. WIFI relay apparatus according to claim 1, is characterized in that, also comprises the 2nd WIFI repeater, and described the 2nd WIFI repeater comprises the 2nd WIFI communication module and the second radio receiving transmitting module, wherein
Described the 2nd WIFI communication module is for realizing Wireless Data Transmission two-way between a described WIFI communication module and described mobile communication terminal;
Described the second radio receiving transmitting module is for realizing Wireless Data Transmission two-way between described the 2nd WIFI communication module and described the first radio receiving transmitting module.
3. WIFI relay apparatus according to claim 1 and 2, is characterized in that, in described subscriber equipment, is provided with main control unit, and a described WIFI repeater carries out transfer of data by the main control unit of local communication interface and described subscriber equipment.
4. WIFI relay apparatus according to claim 1 and 2, is characterized in that, described subscriber equipment directly carries out transfer of data with described mobile terminal device by a described WIFI communication module.
5. WIFI relay apparatus according to claim 2, is characterized in that, described subscriber equipment is realized with described mobile terminal device and carried out transfer of data by a described WIFI communication module and the 2nd WIFI communication module.
6. WIFI relay apparatus according to claim 2, is characterized in that, described subscriber equipment is by described the first radio receiving transmitting module, and the second radio receiving transmitting module and the 2nd WIFI communication module realize with described mobile terminal device carries out transfer of data.
7. WIFI relay apparatus according to claim 2, is characterized in that, the working band of described the first radio receiving transmitting module and the second radio receiving transmitting module comprises 315MHz, 433MHz or 915MHz.
8. WIFI relay apparatus according to claim 2, is characterized in that, on the same working frequency range of described the first radio receiving transmitting module and the second radio receiving transmitting module, supports multichannel communication channel.
9. WIFI relay apparatus according to claim 2, is characterized in that, described the first radio receiving transmitting module and described the second radio receiving transmitting module be for being selected from FSK, OOK, MSK, the wireless module of GMSK modulation mode.
10. WIFI relay apparatus according to claim 2, is characterized in that, a described WIFI communication module and the 2nd WIFI communication module are operated under ap mode.
11. according to the WIFI relay apparatus described in arbitrary claim in claim 5~10, it is characterized in that, described subscriber equipment is scanner, GNSS, total powerstation, rangefinder or spirit level.
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CN201410090704.2A CN103857067A (en) | 2014-01-29 | 2014-03-12 | Wifi wireless relay device |
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CN201410090704.2A CN103857067A (en) | 2014-01-29 | 2014-03-12 | Wifi wireless relay device |
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CN201420111808.2U Expired - Lifetime CN203951624U (en) | 2014-01-29 | 2014-03-12 | WIFI relay apparatus |
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Cited By (7)
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CN105376697A (en) * | 2015-10-10 | 2016-03-02 | 广东欧珀移动通信有限公司 | Method, device and system for utilizing short-distance communication to relay transmission information |
CN105375970A (en) * | 2015-09-30 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | A method and a device for relaying by a mobile device |
CN105430667A (en) * | 2015-11-04 | 2016-03-23 | Tcl集团股份有限公司 | WIFI signal enhancing method and system and wireless relay |
CN106131928A (en) * | 2016-07-22 | 2016-11-16 | 纳瓦电子(上海)有限公司 | A kind of wirelessly access range extending method and system |
CN107901830A (en) * | 2017-11-03 | 2018-04-13 | 江苏恒达微波技术开发有限公司 | A kind of display instrument for the optimization of 4G wireless communications |
CN108199964A (en) * | 2017-12-27 | 2018-06-22 | 努比亚技术有限公司 | A kind of transmission method, terminal, server and computer readable storage medium |
US10045277B2 (en) | 2015-09-30 | 2018-08-07 | Hisense Mobile Communications Technology Co., Ltd. | Mobile device and method for relaying by mobile device |
Families Citing this family (1)
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CN103857067A (en) * | 2014-01-29 | 2014-06-11 | 上海诺司纬光电仪器有限公司 | Wifi wireless relay device |
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CN105375970A (en) * | 2015-09-30 | 2016-03-02 | 青岛海信移动通信技术股份有限公司 | A method and a device for relaying by a mobile device |
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CN105430667B (en) * | 2015-11-04 | 2019-07-09 | Tcl集团股份有限公司 | A kind of method, system and relay apparatus enhancing WIFI signal |
CN106131928A (en) * | 2016-07-22 | 2016-11-16 | 纳瓦电子(上海)有限公司 | A kind of wirelessly access range extending method and system |
CN106131928B (en) * | 2016-07-22 | 2020-02-04 | 纳瓦电子(上海)有限公司 | Wireless access service range extension method and system |
CN107901830A (en) * | 2017-11-03 | 2018-04-13 | 江苏恒达微波技术开发有限公司 | A kind of display instrument for the optimization of 4G wireless communications |
CN108199964A (en) * | 2017-12-27 | 2018-06-22 | 努比亚技术有限公司 | A kind of transmission method, terminal, server and computer readable storage medium |
CN108199964B (en) * | 2017-12-27 | 2020-11-27 | 努比亚技术有限公司 | Transmission method, terminal, server and computer readable storage medium |
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