CN204948062U - A kind of cognitive radio ultra-wideband communication system - Google Patents
A kind of cognitive radio ultra-wideband communication system Download PDFInfo
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- CN204948062U CN204948062U CN201520775092.0U CN201520775092U CN204948062U CN 204948062 U CN204948062 U CN 204948062U CN 201520775092 U CN201520775092 U CN 201520775092U CN 204948062 U CN204948062 U CN 204948062U
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Abstract
The utility model provides a kind of cognitive radio ultra-wideband communication system, comprise environment sensing module, ultra-wideband pulse reflector, transmitting antenna and reception antenna, described environment sensing module and ultra-wideband pulse reflector all electrically input and are connected impulse waveform database, described coding module electrically inputs and connects binary phase shift keying modulator, described binary phase shift keying modulator electrically input connect string modular converter in parallel, described interpolation cyclic prefix module electrically inputs connection transmitting antenna, described transmitting antenna electrically exports JA(junction ambient) sensing module, described reception antenna electrically inputs to connect removes cyclic prefix module, decoder module electrically inputs and connects binary phase shift keying demodulator.Compared with prior art, the utility model has following beneficial effect: antijamming capability is strong, and data transmission efficiency is high, and the utilance of bandwidth is high, and the anti-fading ability of system is strong.
Description
Technical field
The utility model is a kind of cognitive radio ultra-wideband communication system, belongs to wireless communication field.
Background technology
Cognitive radio is otherwise known as cognitive radio, it can be flexible, intelligence, reconfigurable is notable feature, pass through sensing external environment, and use artificial intelligence technology from environment learning, on purpose change some operating parameter (such as through-put power in real time, carrier frequency and modulation technique etc.), its internal state is made to adapt to the statistics variations of the wireless signal received, thus realize any time, the high reliable communication in any place and the radio spectrum resources that heterogeneous network environment is limited is utilized efficiently, the core concept of cognitive radio is exactly the intelligent learning ability by frequency spectrum perception and system, realize dynamic frequency spectrum deployment and frequency spectrum share, super broad band radio communication utilizes ultra-broadband signal to carry out radio communication, achieve ultra broadband in short distance, the transfer of data told, but certain environmental interference can be subject in communication process, and bandwidth cannot make full use of, thus affect the efficiency of transfer of data.
Utility model content
For the deficiency that prior art exists, the utility model object is to provide a kind of cognitive radio ultra-wideband communication system, and to solve the problem proposed in above-mentioned background technology, the utility model antijamming capability is strong, and data transmission efficiency is high.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of cognitive radio ultra-wideband communication system, comprise environment sensing module, ultra-wideband pulse reflector, transmitting antenna and reception antenna, described environment sensing module and ultra-wideband pulse reflector all electrically input and are connected impulse waveform database, impulse waveform database electrically inputs connection coding module, described coding module electrically inputs and connects binary phase shift keying modulator, described binary phase shift keying modulator electrically input connect string modular converter in parallel, described string modular converter in parallel electrically input to connect and add cyclic prefix module, add cyclic prefix module and electrically input connection transmitting antenna, described transmitting antenna electrically exports JA(junction ambient) sensing module, described reception antenna electrically inputs to connect removes cyclic prefix module, remove cyclic prefix module electrically input connect and serial conversion module, described and serial conversion module electrically input connection decoder module, decoder module electrically inputs and connects binary phase shift keying demodulator.
Further, described environment sensing module electrically inputs the control module connecting transmitting antenna.
Further, impulse waveform selector is provided with in described impulse waveform database.
The beneficial effects of the utility model: a kind of cognitive radio ultra-wideband communication system of the present utility model, environment sensing module and ultra-wideband pulse reflector all electrically input and are connected impulse waveform database, environment sensing module electrically inputs the control module connecting transmitting antenna, by the waveform of environment sensing module controls impulse wave and the power of transmitting antenna, both the antijamming capability of communication can have been improved, improve data transmission efficiency, power consumption can be reduced again, rush waveform database and electrically input connection coding module, described coding module electrically inputs and connects binary phase shift keying modulator, binary phase shift keying modulator electrically input connect string modular converter in parallel, by binary phase shift keying modulator, data code is simplified, improve the utilance of bandwidth, the anti-fading ability of enhancing system.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is that the signal of a kind of cognitive radio ultra-wideband communication system of the utility model sends theory diagram;
Fig. 2 is the Signal reception theory diagram of a kind of cognitive radio ultra-wideband communication system of the utility model;
In figure: 1-environment sensing module, 2-ultra-wideband pulse reflector, 3-impulse waveform database, 4-coding module, 5-binary phase shift keying modulator, 6-string modular converter in parallel, 7-add cyclic prefix module, 8-transmitting antenna, 9-reception antenna, 10-remove prefix module, 11-and serial conversion module, 12-decoder module, 13-binary phase-shift demodulator.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
Refer to Fig. 1 and Fig. 2, the utility model provides a kind of technical scheme: a kind of cognitive radio ultra-wideband communication system, comprise environment sensing module 1, ultra-wideband pulse reflector 2, transmitting antenna 8 and reception antenna 9, described environment sensing module 1 and ultra-wideband pulse reflector 2 all electrically input are connected impulse waveform database 3, impulse waveform selector is provided with in impulse waveform database 3, impulse waveform database 3 electrically input connects coding module 4, described coding module 4 electrically input connects binary phase shift keying modulator 5, described binary phase shift keying modulator 5 electrically input connect string modular converter 6 in parallel, described string modular converter 6 in parallel electrically input connect and add cyclic prefix module 7, add cyclic prefix module 7 electrically input connection transmitting antenna 8, described transmitting antenna 8 electrically exports JA(junction ambient) sensing module 1, environment sensing module 1 electrically input connects the control module of transmitting antenna 8, described reception antenna 9 electrically input connects removal cyclic prefix module 10, remove cyclic prefix module 10 electrically input connect and serial conversion module 11, described and serial conversion module 11 electrically input connect decoder module 12, decoder module 12 electrically input connects binary phase shift keying demodulator 13.
Operation principle, during transmitting data, ultra-wideband pulse reflector 2 transmitted pulse ripple, selected by the impulse waveform selector in pulse wave data storehouse 3, then impulse wave is delivered to encoder 4 place to encode, after coding by the modulation of binary phase shift keying modulator 5 and string modular converter 6 in parallel string conversion in parallel, by transmitting antenna 8, data are sent after adding prefix finally by interpolation cyclic prefix module 7, the power the launched data that environmentally sensing module 1 transmits are adjusted by control module, when receiving data, first prefix is removed by removing cyclic prefix module 10, then carry out and serial conversion and decoding, export finally by binary phase shift keying demodulator 13 demodulation.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model, to those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, the utility model can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a cognitive radio ultra-wideband communication system, comprise environment sensing module (1), ultra-wideband pulse reflector (2), transmitting antenna (8) and reception antenna (9), it is characterized in that: described environment sensing module (1) and ultra-wideband pulse reflector (2) all electrically input are connected impulse waveform database (3), impulse waveform database (3) electrically input connects coding module (4), described coding module (4) electrically input connects binary phase shift keying modulator (5), described binary phase shift keying modulator (5) electrically input connect string modular converter (6) in parallel, described string modular converter (6) in parallel electrically input connect and add cyclic prefix module (7), add cyclic prefix module (7) electrically input connection transmitting antenna (8), described transmitting antenna (8) electrically exports JA(junction ambient) sensing module (1), described reception antenna (9) electrically input connects removal cyclic prefix module (10), remove cyclic prefix module (10) electrically input connect and serial conversion module (11), described and serial conversion module (11) electrically input connect decoder module (12), decoder module (12) electrically input connects binary phase shift keying demodulator (13).
2. a kind of cognitive radio ultra-wideband communication system according to claim 1, is characterized in that: described environment sensing module (1) electrically input connects the control module of transmitting antenna (8).
3. a kind of cognitive radio ultra-wideband communication system according to claim 1, is characterized in that: be provided with impulse waveform selector in described impulse waveform database (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520775092.0U CN204948062U (en) | 2015-09-26 | 2015-09-26 | A kind of cognitive radio ultra-wideband communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520775092.0U CN204948062U (en) | 2015-09-26 | 2015-09-26 | A kind of cognitive radio ultra-wideband communication system |
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| Publication Number | Publication Date |
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| CN204948062U true CN204948062U (en) | 2016-01-06 |
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| CN201520775092.0U Expired - Fee Related CN204948062U (en) | 2015-09-26 | 2015-09-26 | A kind of cognitive radio ultra-wideband communication system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |