CN105162540A - Wireless data transmission radio - Google Patents
Wireless data transmission radio Download PDFInfo
- Publication number
- CN105162540A CN105162540A CN201510456158.4A CN201510456158A CN105162540A CN 105162540 A CN105162540 A CN 105162540A CN 201510456158 A CN201510456158 A CN 201510456158A CN 105162540 A CN105162540 A CN 105162540A
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- mode
- radio
- broadcasting station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Transceivers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention relates to a wireless data transmission radio. The wireless data transmission radio is in a receiving state or transmitting state, and communicates with an upper computer and an antenna. The wireless data transmission radio includes a multi-mode main control circuit, a radio frequency receiving circuit and a radio frequency transmission circuit, and that only one of the radio receiving circuit and the radio transmission circuit is selected is also OK. In the wireless data transmission radio, the multi-mode main control circuit switches to a corresponding mode according to a modulation mode signal or mode synchronization signal to perform modulation or demodulation, so that the wireless data transmission radio can work in different modes, and a user can realize intercommunication with different types of wireless data transmission radios without changing radios, thus use of the user is facilitated, and cost is saved.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of wireless digital broadcasting station.
Background technology
Wireless digital broadcasting station refers to the high-performance expert data transmission radio station realized by Digital Signal Processing and radiotechnics, and the application of industrial wireless data radio station widely.And traditional wireless digital broadcasting station has a kind of pattern carries out modulating or demodulation, therefore can only with the station telecommunication of specified type, range of application is narrower.When needing to communicate with the wireless digital broadcasting station that different manufacturers is developed, user needs to change the wireless digital broadcasting station with different mode respectively, and therefore in this case, use traditional wireless digital broadcasting station, not only communications cost is high, and user operation inconvenience.
Summary of the invention
Based on this, be necessary for the problems referred to above, provide a kind of wireless digital broadcasting station, this wireless digital broadcasting station can switch to different patterns to carry out work.
A kind of wireless digital broadcasting station, be in accepting state or emission state, respectively with host computer, antenna two-way communication, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry;
Described multi-mode governor circuit is used for being bi-directionally connected with described host computer, and described multi-mode governor circuit is connected with described radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry respectively; Described radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry are respectively used to be connected with described antenna;
Described radio-frequency (RF) receiving circuit, the radiofrequency signal comprising pattern synchronization signal for receiving described antenna carries out frequency modulation filtering process, and the signal after process is sent to described multi-mode governor circuit, wherein, described pattern synchronization signal is for representing the modulating mode that described radiofrequency signal adopts;
Described multi-mode governor circuit, for receiving the signal after described radio-frequency (RF) receiving circuit process, and according to described pattern synchronization signal switching to corresponding pattern, again by corresponding pattern, demodulation is carried out to the signal after described radio-frequency (RF) receiving circuit process, finally the signal after demodulation is sent to described host computer;
Described multi-mode governor circuit, also for receiving signal to be modulated and need to the modulating mode signal of the modulating mode that described signal to be modulated adopts for indicating, and according to described modulating mode signal switching to corresponding pattern, again described signal to be modulated is modulated by corresponding pattern, finally the signal after modulation is sent to described radio frequency transmitter circuitry;
Described radio frequency transmitter circuitry, amplifies process for carrying out frequency modulation to the signal after described modulation, and the signal after process is sent to described antenna.
Wherein in an embodiment, described wireless digital broadcasting station adopts semiduplex mode to work.
Wherein in an embodiment, described radio-frequency (RF) receiving circuit comprises the first filter, low noise amplifier, frequency mixer, the second filter, the digital to analog converter that connect successively, wherein said first filter is used for being connected with described antenna, and described digital to analog converter is connected with described multi-mode governor circuit.
Wherein in an embodiment, described radio frequency transmitter circuitry comprises the frequency synthesizer and power amplifier that connect successively, wherein, described frequency synthesizer and described multi-mode governor circuit be connected, described power amplifier be used for described antenna be connected.
Wherein in an embodiment, described frequency synthesizer is also connected with described frequency mixer, and described frequency synthesizer generates local oscillation signal, and local oscillation signal is transmitted described frequency mixer.
A kind of wireless digital broadcasting station, be in accepting state, respectively with host computer, antenna communication, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio-frequency (RF) receiving circuit;
Described multi-mode governor circuit is used for being connected with described host computer, and described multi-mode governor circuit is connected with described radio-frequency (RF) receiving circuit; Described radio-frequency (RF) receiving circuit is used for being connected with described antenna;
Described radio-frequency (RF) receiving circuit, the radiofrequency signal comprising pattern synchronization signal for receiving described antenna carries out frequency modulation filtering process, and the signal after process is sent to described multi-mode governor circuit, described pattern synchronization signal is for representing the modulating mode that described radiofrequency signal adopts;
Described multi-mode governor circuit, for receiving the signal after described radio-frequency (RF) receiving circuit process, and according to described pattern synchronization signal switching to corresponding pattern, again by corresponding pattern, demodulation is carried out to the signal after described radio-frequency (RF) receiving circuit process, finally the signal after demodulation is sent to described host computer.
Wherein in an embodiment, described radio-frequency (RF) receiving circuit comprises the first filter, low noise amplifier, frequency mixer, the second filter, the digital to analog converter that connect successively, and described radio-frequency (RF) receiving circuit also comprises for producing circuit to the local oscillation signal of frequency mixer input local oscillation signal, wherein said first filter is used for being connected with described antenna, and described digital to analog converter is connected with described multi-mode governor circuit.
A kind of wireless digital broadcasting station, be in emission state, respectively with host computer, antenna communication, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio frequency transmitter circuitry;
Described multi-mode governor circuit is used for being connected with described host computer, and described multi-mode governor circuit is connected with described radio frequency transmitter circuitry; Described radio frequency transmitter circuitry is used for being connected with described antenna;
Described multi-mode governor circuit, for receiving signal to be modulated and need to the modulating mode signal of the modulating mode that described signal to be modulated adopts for indicating, and according to described modulating mode signal switching to corresponding pattern, again described signal to be modulated is modulated by corresponding pattern, finally the signal after modulation is sent to described radio frequency transmitter circuitry;
Described radio frequency transmitter circuitry, amplifies process for carrying out frequency modulation to the signal after described modulation, and the signal after process is sent to described antenna.
Wherein in an embodiment, described radio frequency transmitter circuitry comprises the frequency synthesizer and power amplifier that connect successively, and wherein, described multi-mode governor circuit is connected with described frequency synthesizer, and described power amplifier is used for being connected with described antenna.
Wherein in an embodiment, described wireless digital broadcasting station is operated in GMSK, MSK, 4FSK or DQPSK pattern.
The beneficial effect that above-mentioned wireless digital broadcasting station has is: the multi-mode governor circuit in this wireless digital broadcasting station, according to modulating mode signal or pattern synchronization signal, switch to different patterns to carry out modulating or demodulation, thus make this wireless digital broadcasting station can carry out work in different modes.Therefore, this wireless digital broadcasting station can make user when not changing radio station, communicates mutually with dissimilar wireless digital broadcasting station, not only user-friendly, and cost-saving.
Accompanying drawing explanation
Fig. 1 is the wireless digital broadcasting station internal structure of the first embodiment and the circuit diagram that is connected with host computer, antenna;
Fig. 2 is the workflow diagram of multi-mode governor circuit restituted signal in wireless digital broadcasting station embodiment illustrated in fig. 1;
Fig. 3 is the workflow diagram of multi-mode governor circuit modulation signal in wireless digital broadcasting station embodiment illustrated in fig. 1;
Fig. 4 is the wireless digital broadcasting station internal structure of the second embodiment and the circuit diagram that is connected with host computer, antenna;
Fig. 5 is the wireless digital broadcasting station internal structure of the 3rd embodiment and the circuit diagram that is connected with host computer, antenna.
Embodiment
Fig. 1 is wireless digital broadcasting station 100 internal structure of the first embodiment and the circuit diagram that is connected with host computer 200, antenna 300, and as shown in Figure 1, wireless digital broadcasting station 100 comprises multi-mode governor circuit 110, radio-frequency (RF) receiving circuit 120, radio frequency transmitter circuitry 130.Wherein, radio frequency transmitter circuitry 130 comprises frequency synthesizer 131, power amplifier 132.Radio-frequency (RF) receiving circuit 120 comprises the first filter 121, low noise amplifier 122, frequency mixer 123, second filter 124, digital to analog converter 125.
Wherein, host computer 200 and multi-mode governor circuit 110 are bi-directionally connected, and another input of multi-mode governor circuit 110 is connected with the output of digital to analog converter 125, and another output of multi-mode governor circuit 110 is connected with the input of frequency synthesizer 131.
The output of frequency synthesizer 131 is connected with the input of frequency mixer 123, and another output of frequency synthesizer 131 is connected with the input of power amplifier 132, and the output of power amplifier 132 is connected with antenna 300.
Antenna 300 is connected with the input of the first filter 121, the output of the first filter 121 is connected with the input of low noise amplifier 122, the output of low noise amplifier 122 is connected with another input of frequency mixer 123, the output of frequency mixer 123 is connected with the input of the second filter 124, and the output of the second filter 124 is connected with the input of digital to analog converter 125.
In the present embodiment, wireless digital broadcasting station 100 can be in accepting state or emission state, and works in semiduplex mode.Wherein, frequency synthesizer 131 produces local oscillation signal, and is sent in frequency mixer 123 by this local oscillation signal.
When wireless digital broadcasting station 100 is in accepting state, antenna 300 wireless receiving radiofrequency signal, and the radiofrequency signal received comprises pattern synchronization signal, this pattern synchronization signal is for representing the modulating mode that the radiofrequency signal of reception adopts.Radiofrequency signal is sent to the first filter 121 by antenna 300.First filter 121 carries out filtering to above-mentioned radiofrequency signal, and filtered signal is sent to low noise amplifier 122.Low noise amplifier 122 amplifies above-mentioned filtered signal, and is sent in frequency mixer 123 by the signal after amplifying.Frequency mixer 123 utilizes local oscillation signal that the signal after above-mentioned amplification is mixed to the signal of lower frequency, and is sent in the second filter 124 by the signal after mixing.Second filter 124 to the filtering again of the signal after above-mentioned mixing, and will be sent in digital to analog converter 125 by filtered signal again.Digital to analog converter 125 is sampled to above-mentioned filtered signal again, thus change into corresponding digital signal, and this digital signal is sent in multi-mode governor circuit 110, wherein, above-mentioned digital signal is the signal after the final process of radio-frequency (RF) receiving circuit 120.
The workflow of multi-mode governor circuit 110 is as shown in Figure 2:
Step S101, multi-mode governor circuit 110 receives the signal after the process of above-mentioned radio-frequency (RF) receiving circuit 120;
Step S102, the pattern synchronization signal in the signal after multi-mode governor circuit 110 processes according to above-mentioned radio-frequency (RF) receiving circuit 120, switches to the pattern corresponding with the modulating mode that pattern synchronization signal indicates;
Step S103, multi-mode governor circuit 110 carries out demodulation according to the pattern after switching to the signal after above-mentioned radio-frequency (RF) receiving circuit 120 process;
Concrete, if the radiofrequency signal indicating reception in pattern synchronization signal utilizes the mode of GMSK to modulate, then multi-mode governor circuit 110 utilizes and carrys out restituted signal with the opposite way of GMSK to signal transacting;
Step S104, the signal after demodulation is sent in host computer 200 by multi-mode governor circuit 110.
When wireless digital broadcasting station 100 is as emission state, host computer 200 transmits signal to be modulated and modulating mode signal to multi-mode governor circuit 110, and wherein modulating mode signal is for indicating the modulating mode need treated modulation signal and adopt.
At this moment the workflow of multi-mode governor circuit 110 is as shown in Figure 3:
Step S201, multi-mode governor circuit 110 receives signal to be modulated and modulating mode signal;
Step S202, multi-mode governor circuit 110, according to above-mentioned modulating mode signal, switches to the pattern that the modulating mode that indicates to this modulating mode signal is corresponding;
Step S203, multi-mode governor circuit 110 is treated modulation signal according to the pattern after switching and is modulated;
Concrete, need modulate by the mode of GMSK if indicate in modulating mode signal, then multi-mode governor circuit 110 utilizes the mode of GMSK to treat modulation signal to modulate;
Step S204, the signal after modulation is sent in the frequency synthesizer 131 in radio frequency transmitter circuitry 130 by multi-mode governor circuit 110.
Frequency synthesizer 131 carries out frequency modulation to the signal after above-mentioned modulation, produces corresponding radiofrequency signal, and this radiofrequency signal is sent in power amplifier 132.Above-mentioned radiofrequency signal is amplified by power amplifier 132, and the signal after amplifying is sent to antenna 300.Signal after amplification is finally launched by antenna 300.
Fig. 4 is wireless digital broadcasting station 100 internal structure of the second embodiment and the circuit that is connected with host computer 200, antenna 300.As shown in Figure 4, wireless digital broadcasting station 100 comprises multi-mode governor circuit 110 and radio frequency transmitter circuitry 130.Wherein, radio frequency transmitter circuitry 130 comprises frequency synthesizer 131, power amplifier 132.
Wherein, the output of host computer 200 is connected with the input of multi-mode governor circuit 110, and the output of multi-mode governor circuit 110 is connected with the input of frequency synthesizer 131.The output of frequency synthesizer 131 is connected with the input of power amplifier 132, and the output of power amplifier 132 is connected with antenna 300.
In a second embodiment, wireless digital broadcasting station 100 is in emission state.Situation when operation principle and the wireless digital broadcasting station 100 in the first embodiment of each several part are in emission state is consistent.
Fig. 5 is wireless digital broadcasting station 100 internal structure of the 3rd embodiment and the circuit that is connected with host computer 200, antenna 300.As shown in Figure 5, wireless digital broadcasting station 100 comprises multi-mode governor circuit 110 and radio-frequency (RF) receiving circuit 120.Wherein, radio-frequency (RF) receiving circuit 120 comprises the first filter 121, low noise amplifier 122, frequency mixer 123, second filter 124, digital to analog converter 125, local oscillation signal generator 126.
Wherein, antenna 300 is connected with the input of the first filter 121, the output of the first filter 121 is connected with the input of low noise amplifier 122, the output of low noise amplifier 122 is connected with the input of frequency mixer 123, the output of frequency mixer 123 is connected with the input of the second filter 124, the output of the second filter 124 is connected with the input of digital to analog converter 125, the output of digital to analog converter 125 is connected with the input of multi-mode governor circuit 110, and the output of multi-mode governor circuit 110 is connected with the input of host computer 200.In addition, the output of local oscillation signal generator 126 is connected with another input of frequency mixer 123.
In the third embodiment, wireless digital broadcasting station 100 is in accepting state, and the local oscillation signal that frequency mixer 123 needs is provided by local oscillation signal generator 126.Situation when operation principle and the wireless digital broadcasting station 100 in the first embodiment of all the other each several parts are in accepting state is consistent.
Above in each embodiment, wireless digital broadcasting station 100 can any one MODE of operation in GMSK, MSK, 4FSK and DQPSK pattern.
In sum, multi-mode governor circuit 110 in wireless digital broadcasting station 100 above in each embodiment, according to modulating mode signal or pattern synchronization signal, switch to different patterns and carry out modulating or demodulation, thus make this wireless digital broadcasting station 100 can carry out work in different modes.Therefore, the wireless digital broadcasting station 100 in the present invention can make user when not changing radio station, realizes communicating mutually with dissimilar wireless digital broadcasting station 100, not only user-friendly, and cost-saving.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
Above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete, but can not therefore be construed as limiting the scope of the patent.Be to be noted that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a wireless digital broadcasting station, be in accepting state or emission state, respectively with host computer, antenna two-way communication, it is characterized in that, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry;
Described multi-mode governor circuit is used for being bi-directionally connected with described host computer, and described multi-mode governor circuit is connected with described radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry respectively; Described radio-frequency (RF) receiving circuit, radio frequency transmitter circuitry are respectively used to be connected with described antenna;
Described radio-frequency (RF) receiving circuit, the radiofrequency signal comprising pattern synchronization signal for receiving described antenna carries out frequency modulation filtering process, and the signal after process is sent to described multi-mode governor circuit, wherein, described pattern synchronization signal is for representing the modulating mode that described radiofrequency signal adopts;
Described multi-mode governor circuit, for receiving the signal after described radio-frequency (RF) receiving circuit process, and according to described pattern synchronization signal switching to corresponding pattern, again by corresponding pattern, demodulation is carried out to the signal after described radio-frequency (RF) receiving circuit process, finally the signal after demodulation is sent to described host computer;
Described multi-mode governor circuit, also for receiving signal to be modulated and need to the modulating mode signal of the modulating mode that described signal to be modulated adopts for indicating, and according to described modulating mode signal switching to corresponding pattern, again described signal to be modulated is modulated by corresponding pattern, finally the signal after modulation is sent to described radio frequency transmitter circuitry;
Described radio frequency transmitter circuitry, amplifies process for carrying out frequency modulation to the signal after described modulation, and the signal after process is sent to described antenna.
2. wireless digital broadcasting station according to claim 1, is characterized in that, described wireless digital broadcasting station adopts semiduplex mode to work.
3. wireless digital broadcasting station according to claim 1, it is characterized in that, described radio-frequency (RF) receiving circuit comprises the first filter, low noise amplifier, frequency mixer, the second filter, the digital to analog converter that connect successively, wherein said first filter is used for being connected with described antenna, and described digital to analog converter is connected with described multi-mode governor circuit.
4. wireless digital broadcasting station according to claim 3, it is characterized in that, described radio frequency transmitter circuitry comprises the frequency synthesizer and power amplifier that connect successively, wherein, described frequency synthesizer and described multi-mode governor circuit be connected, described power amplifier be used for described antenna be connected.
5. wireless digital broadcasting station according to claim 4, is characterized in that, described frequency synthesizer is also connected with described frequency mixer, and described frequency synthesizer generates local oscillation signal, and local oscillation signal is transmitted described frequency mixer.
6. a wireless digital broadcasting station, be in accepting state, respectively with host computer, antenna communication, it is characterized in that, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio-frequency (RF) receiving circuit;
Described multi-mode governor circuit is used for being connected with described host computer, and described multi-mode governor circuit is connected with described radio-frequency (RF) receiving circuit; Described radio-frequency (RF) receiving circuit is used for being connected with described antenna;
Described radio-frequency (RF) receiving circuit, the radiofrequency signal comprising pattern synchronization signal for receiving described antenna carries out frequency modulation filtering process, and the signal after process is sent to described multi-mode governor circuit, described pattern synchronization signal is for representing the modulating mode that described radiofrequency signal adopts;
Described multi-mode governor circuit, for receiving the signal after described radio-frequency (RF) receiving circuit process, and according to described pattern synchronization signal switching to corresponding pattern, again by corresponding pattern, demodulation is carried out to the signal after described radio-frequency (RF) receiving circuit process, finally the signal after demodulation is sent to described host computer.
7. wireless digital broadcasting station according to claim 6, it is characterized in that, described radio-frequency (RF) receiving circuit comprises the first filter, low noise amplifier, frequency mixer, the second filter, the digital to analog converter that connect successively, and described radio-frequency (RF) receiving circuit also comprises for producing circuit to the local oscillation signal of frequency mixer input local oscillation signal, wherein said first filter is used for being connected with described antenna, and described digital to analog converter is connected with described multi-mode governor circuit.
8. a wireless digital broadcasting station, be in emission state, respectively with host computer, antenna communication, it is characterized in that, described wireless digital broadcasting station can switch to different patterns and carry out work, and described wireless digital broadcasting station comprises multi-mode governor circuit, radio frequency transmitter circuitry;
Described multi-mode governor circuit is used for being connected with described host computer, and described multi-mode governor circuit is connected with described radio frequency transmitter circuitry; Described radio frequency transmitter circuitry is used for being connected with described antenna;
Described multi-mode governor circuit, for receiving signal to be modulated and need to the modulating mode signal of the modulating mode that described signal to be modulated adopts for indicating, and according to described modulating mode signal switching to corresponding pattern, again described signal to be modulated is modulated by corresponding pattern, finally the signal after modulation is sent to described radio frequency transmitter circuitry;
Described radio frequency transmitter circuitry, amplifies process for carrying out frequency modulation to the signal after described modulation, and the signal after process is sent to described antenna.
9. wireless digital broadcasting station according to claim 8, it is characterized in that, described radio frequency transmitter circuitry comprises the frequency synthesizer and power amplifier that connect successively, wherein, described multi-mode governor circuit is connected with described frequency synthesizer, and described power amplifier is used for being connected with described antenna.
10. the wireless digital broadcasting station according to claim arbitrary in claim 1 to 9, is characterized in that, described wireless digital broadcasting station is operated in GMSK, MSK, 4FSK or DQPSK pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456158.4A CN105162540B (en) | 2015-07-29 | 2015-07-29 | Wireless digital broadcasting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456158.4A CN105162540B (en) | 2015-07-29 | 2015-07-29 | Wireless digital broadcasting station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105162540A true CN105162540A (en) | 2015-12-16 |
| CN105162540B CN105162540B (en) | 2018-12-11 |
Family
ID=54803312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510456158.4A Active CN105162540B (en) | 2015-07-29 | 2015-07-29 | Wireless digital broadcasting station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105162540B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
| CN109548058A (en) * | 2018-12-26 | 2019-03-29 | 深圳市华信天线技术有限公司 | The communication means and device that multimode data radio station communication pattern adaptively switches |
| CN109687918A (en) * | 2019-01-09 | 2019-04-26 | 深圳市华信天线技术有限公司 | A kind of data radio station power compensating method, device, terminal and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155159A (en) * | 2006-09-25 | 2008-04-02 | 夏普株式会社 | Detecting circuit, modulation scheme identifying circuit, integrated circuit, tuning device, and common multi-scheme receiving device |
| CN101826938A (en) * | 2010-03-31 | 2010-09-08 | 华为技术有限公司 | Method, terminal and system for transmitting and receiving service information |
| CN103095626A (en) * | 2011-10-28 | 2013-05-08 | 中国科学院上海微系统与信息技术研究所 | Switching method of modulation-demodulation operating modes |
| CN203734658U (en) * | 2013-12-31 | 2014-07-23 | 深圳市友讯达科技发展有限公司 | High-speed data transmission radio station |
| CN204013602U (en) * | 2014-08-06 | 2014-12-10 | 桂林电子科技大学 | A kind of implement device of OFDM double modulation demodulation mode |
-
2015
- 2015-07-29 CN CN201510456158.4A patent/CN105162540B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155159A (en) * | 2006-09-25 | 2008-04-02 | 夏普株式会社 | Detecting circuit, modulation scheme identifying circuit, integrated circuit, tuning device, and common multi-scheme receiving device |
| CN101826938A (en) * | 2010-03-31 | 2010-09-08 | 华为技术有限公司 | Method, terminal and system for transmitting and receiving service information |
| CN103095626A (en) * | 2011-10-28 | 2013-05-08 | 中国科学院上海微系统与信息技术研究所 | Switching method of modulation-demodulation operating modes |
| CN203734658U (en) * | 2013-12-31 | 2014-07-23 | 深圳市友讯达科技发展有限公司 | High-speed data transmission radio station |
| CN204013602U (en) * | 2014-08-06 | 2014-12-10 | 桂林电子科技大学 | A kind of implement device of OFDM double modulation demodulation mode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
| CN109548058A (en) * | 2018-12-26 | 2019-03-29 | 深圳市华信天线技术有限公司 | The communication means and device that multimode data radio station communication pattern adaptively switches |
| CN109687918A (en) * | 2019-01-09 | 2019-04-26 | 深圳市华信天线技术有限公司 | A kind of data radio station power compensating method, device, terminal and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105162540B (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103117768B (en) | A kind of wireless transmitter | |
| CN101841345B (en) | Time division duplex-remote radio unit | |
| CN102780483B (en) | With the radio frequency digital to analog converter of configurable digital to analog converter mixer interface and configurable mixer | |
| CN104009765B (en) | A kind of high-performance LTE channel simulator radio frequency sending set | |
| CN204272108U (en) | A kind ofly can support the communicator of ultrashort wave relaying with short-wave radio set intercommunication | |
| US10164668B2 (en) | Mobile device, radio transceiver circuit, and impedance adjustment device | |
| CN103546189B (en) | Radio-frequency (RF) front-end circuit and system | |
| CN105451132A (en) | UHF frequency band single chip digit modulation wireless microphone system | |
| CN103546188A (en) | Wireless mobile terminal of self-tuning antenna and adjusting method of self-tuning antenna | |
| CN103401613A (en) | Digital microwave transmission device and method | |
| CN204615820U (en) | Radio-frequency (RF) transmit-receive circuit and terminal | |
| WO2013063926A1 (en) | Power amplification module, multimode radio frequency transceiver, and multimode terminal | |
| CN103686980A (en) | Smart AGC for wideband multi-standard RFIC | |
| KR20130064261A (en) | Radio frequency transceiver | |
| CN105162540A (en) | Wireless data transmission radio | |
| CN104052505B (en) | Single-chip transmitting set, transmitting chip and signal transmitting method | |
| CN102438248B (en) | Method for solving radio frequency mutual interference of multi-mode multi-connected user equipment | |
| CN102752000A (en) | Chip and method for processing transmission signal | |
| CN101222741B (en) | Device and method for calibrating zero intermediate frequency transmitting parameter of base station | |
| CN102801668B (en) | A kind of radio frequency transmitter | |
| CN210670577U (en) | Multi-band wireless network bridge transmission device and transmission system | |
| CN206332669U (en) | A kind of arrowband high sensitivity transceiver | |
| CN104917543A (en) | Realization method and device enabling near field communication system and Wi Fi to share base bands | |
| CN110661543A (en) | Mobile phone device, radio frequency transceiver circuit and impedance adjusting device | |
| CN104507007A (en) | True diversity wireless microphone system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |