CN103188202B - Signal communication method and signal receiving/transmission device - Google Patents
Signal communication method and signal receiving/transmission device Download PDFInfo
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- CN103188202B CN103188202B CN201110448698.XA CN201110448698A CN103188202B CN 103188202 B CN103188202 B CN 103188202B CN 201110448698 A CN201110448698 A CN 201110448698A CN 103188202 B CN103188202 B CN 103188202B
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Abstract
Send, receive the invention discloses a kind of signal, communication means and sending and receiving believe machine, signal receiving/transmission device, by send when by signal modulation to be sent over the carrier signal, the signal of carrier amplitude change is generated, the carrier amplitude of the signal follows the change of the baseband modulation signal and changed.When receiving by the demodulation to carrier signal, and the bit error rate situation of change of demodulated signal is counted, so as to obtain receiving signal, the reception signal is the transmission signal that sender is sent.The essence of the present invention sets up a kind of special working mechanism in the process that sends and receives of signal, can cause the principle that the bit error rate changes using the change of carrier-signal amplitude, and realize increases communication data in the case where not increasing communication frequency.
Description
Technical field
The present invention relates to communication field, especially Near Field Communication field.
Background technology
Frequency is a kind of limited and important public resource, with the development of the communication technology, and application is more and more extensive,
Required communication frequency resource is also more and more, and imbalance between supply and demand becomes increasingly conspicuous.How in the case where not increasing communication frequency,
Increase communication data, as one it is important the problem of.
The content of the invention
Present invention solves the technical problem that being to propose that a kind of signal sends, received, communication means and sending and receiving believe machine, signal
R-T unit, can increase the communication data of transmission in the case where not increasing communication frequency.
The present invention proposes a kind of signaling method, including following processing procedure：Signal to be sent is carried out at base band
Reason generation baseband modulation signal；The baseband modulation signal is modulated to the carrier amplitude of radio frequency band generation carrier amplitude change
The signal of change, the carrier amplitude of the signal follows the change of the baseband modulation signal and changed；To the carrier amplitude
The signal of change is amplified and is transmitted after filtering process by transmitting antenna.
Further, the process to signal to be sent progress Base-Band Processing generation baseband modulation signal is：It will treat
Send after data carry out coded treatment, Orthogonal Decomposition and digital-to-analogue conversion and obtain orthogonal simulation baseband modulation signal, the orthogonal mode
The voltage amplitude for intending baseband modulation signal follows the change of data to be sent and changed.
Further, it is described that the baseband modulation signal is modulated to the signal that radio frequency band generation carrier amplitude changes
Process is：Local oscillation signal and the orthogonal simulation baseband modulation signal are subjected to orthogonal modulation, quadrature carrier changes in amplitude is generated
Signal, the amplitude of the signal of the quadrature carrier changes in amplitude follows the voltage amplitude of the orthogonal simulation baseband modulation signal
Change and change.
The invention also provides a kind of signal acceptance method, including following processing procedure：It will be received by reception antenna
Aerial signal is converted into radiofrequency signal；The radiofrequency signal is amplified and generates signal to be demodulated with filtering process；To described
Signal to be demodulated, which is demodulated, obtains demodulated signal, and carries out the Bit Error Ratio Measurement of the demodulated signal；According to the bit error rate
The situation of change of statistical value, obtains receiving signal.
Further, the process for generating signal to be demodulated with filtering process that the radiofrequency signal is amplified is：
Local oscillation signal and signal to be demodulated are subjected to quadrature demodulation, orthogonal simulation demodulated signal is obtained.
Further, the Bit Error Ratio Measurement process of the demodulated signal is：The orthogonal simulation demodulated signal is subjected to mould
After number conversion, carry out baseband synchronization processing and obtain baseband clocks and base-band information, Bit Error Ratio Measurement is carried out to the base-band information.
The present invention has also been proposed a kind of signal communication method, it is characterised in that methods described includes：Above-mentioned signal is sent
Process, and above-mentioned signal receive process.
The invention also provides a kind of sender, including：First baseband circuit, modulation circuit, the first radio circuit and hair
Penetrate antenna；First baseband circuit is used to carry out signal to be sent Base-Band Processing generation baseband modulation signal, the modulation
Circuit is used for the signal that the baseband modulation signal is modulated to radio frequency band generation carrier amplitude change, the carrier wave of the signal
Amplitude follows the change of the baseband modulation signal and changed；First radio circuit is used for what the carrier amplitude was changed
Signal is amplified and filtering process；The transmitting antenna is used to send the treated signal of first radio circuit.
Further, first baseband circuit includes：Coding unit, Orthogonal Decomposition unit and orthogonal digital-to-analogue conversion list
Member；The coding unit is used to carry out data to be sent coded treatment, and the Orthogonal Decomposition unit is used for the coding is single
The treated data of member are decomposed into two-way orthogonal signalling and input corresponding orthogonal D/A conversion unit, the orthogonal digital-to-analogue conversion
Unit is used to carry out digital-to-analogue conversion to input data and exports orthogonal simulation baseband modulation signal, and the voltage amplitude of the signal is followed
The change of data to be sent and change.
Further, the modulation circuit is used to be carried out just according to local oscillation signal and the orthogonal simulation baseband modulation signal
Intermodulation system, generates the signal of quadrature carrier changes in amplitude, and the carrier amplitude of the signal follows the orthogonal simulation baseband modulation to believe
Number voltage amplitude change and change.
The present invention has also been proposed a kind of receiver, including：Second baseband circuit, demodulator circuit, the second radio circuit and connect
Receive antenna；The reception antenna is used to the aerial signal received being converted into radiofrequency signal, and second radio circuit is used for
The radiofrequency signal that the reception antenna is exported is amplified and filtering process generates carrier signal to be demodulated, the demodulator circuit
For being demodulated to the carrier signal to be demodulated and exporting demodulated signal, second baseband circuit is used for the demodulation
The Bit Error Ratio Measurement of signal and according to the situation of change of the error rate statistics obtain receive signal.
Further, the demodulator circuit is used to local oscillation signal and carrier signal to be demodulated carrying out quadrature demodulation, obtains
Orthogonal simulation demodulated signal.
Further, second baseband circuit includes：Orthogonal AD conversion unit, baseband synchronization unit, bit error rate meter
Calculate unit and receive signature computation unit；The orthogonal AD conversion unit is used to carry out mould to the orthogonal simulation demodulated signal
Number is changed and exported to the baseband synchronization unit, and the baseband synchronization unit is used to carry out baseband synchronization processing to input signal
Baseband clocks and base-band information are obtained, the error rate calculation unit is used to carry out Bit Error Ratio Measurement to the base-band information and incited somebody to action
Error rate statistics input the reception signature computation unit, and the reception signature computation unit is used to be united according to the bit error rate
The evaluation docking collection of letters number carries out a dissection process.
The invention also provides a kind of signal receiving/transmission device, including：Sender described above, and above-mentioned receiver；
Signal communication is carried out between the receiver and the sender.
The present invention by send when by signal modulation to be sent over the carrier signal, signal to be sent is embodied in carrier wave
In the changes in amplitude of signal.When receiving by the demodulation to carrier signal, and count the bit error rate change feelings of demodulated signal
Condition, so as to obtain receiving signal, the reception signal is the transmission signal that sender is sent.Hair of the essence of the present invention in signal
Send and reception process set up a kind of special working mechanism, can cause the principle that the bit error rate changes using the change of carrier amplitude,
Realize increases communication data in the case where not increasing communication frequency.
Brief description of the drawings
Fig. 1 is the receiver structural representation of the embodiment of the present invention one；
Fig. 2 is the sender structural representation of the embodiment of the present invention two；
Fig. 3 is the structural representation of the first baseband circuit in the embodiment of the present invention one；
Fig. 4 is the structural representation of the modulation circuit in the embodiment of the present invention one；
Fig. 5 is the structural representation of the demodulator circuit in the embodiment of the present invention two；
Fig. 6 is the structural representation of the second baseband circuit in the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawings, and by specific embodiment implementing for the present invention is described in detail.
Embodiment one
Sender structure as shown in Figure 1, including following functions unit：First baseband circuit 101, modulation circuit 102,
One radio circuit 103 and transmitting antenna 104.
Signal to be sent is generated after baseband modulation signal by the Base-Band Processing of the first baseband circuit 101, then through ovennodulation
Circuit 102 is modulated to the signal of radio frequency band generation carrier amplitude change, and the amplitude of the carrier signal follows baseband modulation
The change of signal and change；The signal of carrier amplitude change leads to after the amplification and filtering process via the first radio circuit 103
Cross transmitting antenna 104 and complete transmission process to free space.
The first baseband circuit 101 in Fig. 1 can be numeric structure, model configuration or modulus mixed structure.First base
The baseband modulation signal generated with circuit 101 can be orthogonal signalling or non-orthogonality signal；Can also be data signal or mould
Intend signal；Can also be one-channel signal and multiple signals；Or be low frequency signal or intermediate-freuqncy signal；And non-spread-spectrum signal or
Non- spread-spectrum signal.
A kind of embodiment for the first baseband circuit 101 of the invention as shown in Figure 3, the baseband modulation of which generation
Signal is orthogonal simulation baseband modulation signal.The first baseband circuit 101 includes in Fig. 3：Coding unit 1011, Orthogonal Decomposition unit
1012 and orthogonal D/A conversion unit 1013,1014；After coded treatment of the data to be sent by coding unit 1011, by just
Hand over resolving cell 1012 to be decomposed into after two-way orthogonal signalling and input corresponding orthogonal D/A conversion unit 1013,1014, orthogonal function
Mould converting unit I1013 and orthogonal D/A conversion unit Q1014 exports orthogonal simulation after carrying out digital-to-analogue conversion to the signal of reception
Baseband modulation signal, the voltage amplitude of the signal follows the change of data to be sent and changed.
Corresponding to the realization side that the baseband modulation signal that the first baseband circuit 101 is generated is orthogonal simulation baseband modulation signal
Formula.Modulation circuit 102 in Fig. 1 carries out orthogonal modulation according to local oscillation signal and orthogonal simulation baseband modulation signal, generates orthogonal
The signal of carrier amplitude change, the amplitude of the signal of the quadrature carrier changes in amplitude follows the electricity of orthogonal simulation baseband modulation signal
The change of pressure amplitude degree and change.As shown in figure 4, modulated terminal oscillator 1021 and modulated terminal phaselocked loop 1022, which are matched somebody with somebody, is combined into modulation module
1023 provide the orthogonal simulation base of local oscillation signal, orthogonal D/A conversion unit I1013 and orthogonal D/A conversion unit Q1014 outputs
Band modulated signal inputs modulation module 1023, and modulation module 1023 generates the signal of quadrature carrier changes in amplitude, and exports to the
One radio circuit 103 is filtered enhanced processing.
Modulation circuit 102 in Fig. 1 can be numeric structure, model configuration or modulus mixed structure.Modulation circuit 102
The signal of the carrier amplitude change of generation can be data signal or analog signal；Can also be one-channel signal or multiple signals；
Can also be low frequency signal or intermediate-freuqncy signal；And spread-spectrum signal or non-spread-spectrum signal.
The first radio circuit 103 can be amplifier, isolator, attenuator, wave filter or coupler in Fig. 1.First penetrates
Frequency circuit 103 can using broadband or arrowband, it would however also be possible to employ it is linear and nonlinear, or using the time-division and frequency
The amplification divided and filtering process mechanism.
Transmitting antenna 104 in Fig. 1 can use SMA, SMB, L16, N or bnc interface.Transmitting antenna can be electric field
Antenna and magnetic field antenna.Transmitting antenna can be using time-division and the treatment mechanism of frequency division multiplexing.Transmitting antenna can be antenna array
Row.Transmitting antenna can be the coil that both ends open or middle continual connecting line are coiled into.Transmitting antenna can be coiling
Coil or PCB coil.Transmitting antenna can be regular figure or the irregular figures such as square, circular, terraced row.Transmitting antenna is also
Permeability magnetic material can be included.
Embodiment two
Receiver structure as shown in Figure 2, including following functions unit：Second baseband circuit 201, demodulator circuit 202,
Two radio circuits 203 and reception antenna 204.
The aerial signal received is converted into after radiofrequency signal by reception antenna 204, by putting for the second radio circuit 203
Carrier signal to be demodulated is generated after big and filtering process, then input demodulator circuit 203, which is demodulated, obtains demodulated signal, then leads to
Cross the second baseband circuit 202 and complete the Bit Error Ratio Measurement to the demodulated signal and the change according to the error rate statistics
Situation obtains receiving signal.
Demodulator circuit 202 in Fig. 2 is using the quadrature demodulation mechanism corresponding to embodiment one.Demodulator circuit 202 is used for will
Local oscillation signal and carrier signal to be demodulated carry out quadrature demodulation, obtain orthogonal simulation demodulated signal.It is illustrated in figure 5 a kind of implementation
Mode, demodulating end oscillator 2021 and demodulating end phaselocked loop 2022 provide local oscillation signal with demodulation module 2023 is combined into, and solve mode transfer
Generation two paths of signals is sent to the second baseband circuit 201 after block 2023 is demodulated, that is, is separately sent in the second baseband circuit just
Hand in AD conversion unit I2011 and orthogonal AD conversion unit Q2012.
It is illustrated in figure 6 the embodiment of the second baseband circuit 201 of the above-mentioned demodulation of correspondence.Second baseband circuit 201 is wrapped
Include：Orthogonal AD conversion unit 2011,2012, baseband synchronization unit 2013, error rate calculation unit 2014 and reception signal meter
Calculate unit 2015；Orthogonal simulation demodulated signal is after orthogonal AD conversion unit 2011,2012 carries out analog-to-digital conversion, by institute
Baseband clocks and base-band information are obtained after the baseband synchronization processing for stating baseband synchronization unit 2013, the base-band information feeding is described
Error rate calculation unit 2014 carries out Bit Error Ratio Measurement, the error rate statistics feeding reception signature computation unit 2015
Receive the dissection process of signal.
Reception antenna 204 in Fig. 2 can be electric field antenna and magnetic field antenna.Can be using time-division and the place of frequency division multiplexing
Reason mechanism.It can be aerial array.It can be the coil that both ends open or middle continual connecting line are coiled into.Can be around
Line coil or PCB coil.Can be regular figure or the irregular figures such as square, circular, terraced row.Magnetic conduction material can also be included
Material.
Second radio circuit 203 can be amplifier, isolator, attenuator, wave filter or coupler.Second radio circuit
203 can using broadband or arrowband, it would however also be possible to employ it is linear and nonlinear, or put using the time-division and frequency division
Big and filtering process mechanism.
Demodulator circuit 202 can be numeric structure, model configuration or modulus mixed structure.What demodulator circuit 202 was generated
Signal can be data signal or analog signal；Can also be one-channel signal or multiple signals；Can also for low frequency signal or
Intermediate-freuqncy signal；And spread-spectrum signal or non-spread-spectrum signal.
Second baseband circuit 201 can be numeric structure, model configuration or modulus mixed structure.Second baseband circuit
The signal of 201 generations can be orthogonal signalling or non-orthogonality signal；Can also be data signal or analog signal；Can also be
One-channel signal and multiple signals；Or be low frequency signal or intermediate-freuqncy signal；And non-spread-spectrum signal or non-spread-spectrum signal.
If in addition, the receiver and sender of the present invention, which are combined, can set up signal receiving/transmission device, herein just not
Repeat again.Signal transmission process and signal reception process, which are combined, can realize signal communication process.
Embodiment described above, is only the preferred embodiments of the present invention, is not intended to limit the scope of the present invention,
Any modification, equivalent substitution or improvement for being made within the spirit and principles of the invention etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of signal communication method, it is characterised in that methods described includes：Signal sends processing procedure and signal reception processing
Process；
The signal, which sends processing procedure, to be included：
Orthogonal simulation baseband modulation signal, institute are obtained after data to be sent are carried out into coded treatment, Orthogonal Decomposition and digital-to-analogue conversion
The voltage amplitude for stating orthogonal simulation baseband modulation signal follows the change of data to be sent and changed；
The orthogonal simulation baseband modulation signal is modulated to the signal of radio frequency band generation carrier amplitude change, the carrier wave width
The carrier amplitude for spending the signal of change follows the change of the orthogonal simulation baseband modulation signal and changed；
To the carrier amplitude change signal be amplified and filtering process after be transmitted by transmitting antenna；
The signal reception processing process includes：
The aerial signal received is converted into by radiofrequency signal by reception antenna；
The radiofrequency signal is amplified and generates signal to be demodulated with filtering process；
Local oscillation signal and signal to be demodulated are subjected to quadrature demodulation, orthogonal simulation demodulated signal is obtained, and carry out the orthogonal mode
Intend the Bit Error Ratio Measurement of demodulated signal；
According to the situation of change of Bit Error Ratio Measurement result, obtain receiving signal.
2. signal communication method according to claim 1, it is characterised in that described to believe the orthogonal simulation baseband modulation
The process for number being modulated to the signal of radio frequency band generation carrier amplitude change is：Local oscillation signal and the orthogonal simulation base band are adjusted
Signal processed carries out orthogonal modulation, the signal of generation carrier amplitude change, the carrier amplitude of the signal of the carrier amplitude change with
Change with the change of the voltage amplitude of the orthogonal simulation baseband modulation signal.
3. signal communication method according to claim 1 or 2, it is characterised in that the mistake of the orthogonal simulation demodulated signal
Code check statistic processes is：The orthogonal simulation demodulated signal is carried out after analog-to-digital conversion, baseband synchronization processing is carried out and obtains base band
Clock and base-band information, Bit Error Ratio Measurement is carried out to the base-band information.
4. a kind of signal receiving/transmission device, it is characterised in that including：Sender and receiver；The receiver is transmitted with described
Signal communication is carried out between machine；
The sender includes：First baseband circuit, modulation circuit, the first radio circuit and transmitting antenna；First base band
Circuit includes coding unit, Orthogonal Decomposition unit and orthogonal D/A conversion unit；The coding unit is used for data to be sent
Coded treatment is carried out, the Orthogonal Decomposition unit is used to the data that the coding unit is treated being decomposed into two-way orthogonal signalling
And corresponding orthogonal D/A conversion unit is inputted, the orthogonal D/A conversion unit is used to carry out digital-to-analogue conversion simultaneously to input data
Orthogonal simulation baseband modulation signal is exported, the voltage amplitude of the signal follows the change of data to be sent and changed；The modulation
Circuit is used for the signal that the orthogonal simulation baseband modulation signal is modulated to radio frequency band generation carrier amplitude change, the load
The carrier amplitude of the signal of wave amplitude change follows the change of the orthogonal simulation baseband modulation signal and changed；Described first penetrates
Frequency circuit is used to be amplified and filtering process the signal that the carrier amplitude changes；The transmitting antenna is used to send described
The treated signal of first radio circuit；
The receiver includes：Second baseband circuit, demodulator circuit, the second radio circuit and reception antenna；The reception antenna
For the aerial signal received to be converted into radiofrequency signal, second radio circuit is used for what the reception antenna was exported
Radiofrequency signal is amplified generates carrier signal to be demodulated with filtering process, and the demodulator circuit is used for local oscillation signal and waits to solve
Adjusting carrier signal carries out quadrature demodulation, obtains orthogonal simulation demodulated signal, and second baseband circuit is used for the orthogonal mode
The bit error rate for intending demodulated signal is counted and is obtained receiving signal according to the situation of change of Bit Error Ratio Measurement result.
5. signal receiving/transmission device according to claim 4, it is characterised in that the modulation circuit is used for according to local oscillation signal
Orthogonal modulation, the signal of generation carrier amplitude change, the carrier wave width of the signal are carried out with the orthogonal simulation baseband modulation signal
Degree follows the change of the voltage amplitude of the orthogonal simulation baseband modulation signal and changed.
6. the signal receiving/transmission device according to claim 4 or 5, it is characterised in that second baseband circuit includes：It is orthogonal
AD conversion unit, baseband synchronization unit, error rate calculation unit and reception signature computation unit；The orthogonal analog-to-digital conversion list
Member is used to carry out analog-to-digital conversion to the orthogonal simulation demodulated signal and exported to the baseband synchronization unit, the baseband synchronization
Unit is used to obtain baseband clocks and base-band information to input signal progress baseband synchronization processing, and the error rate calculation unit is used
It is described to connect in carrying out Bit Error Ratio Measurement to the base-band information and error rate statistics being inputted into the reception signature computation unit
Receiving signature computation unit is used to carry out a dissection process according to the error rate statistics docking collection of letters number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110448698.XA CN103188202B (en) | 2011-12-28 | 2011-12-28 | Signal communication method and signal receiving/transmission device |
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| CN201110448698.XA CN103188202B (en) | 2011-12-28 | 2011-12-28 | Signal communication method and signal receiving/transmission device |
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| CN103188202A CN103188202A (en) | 2013-07-03 |
| CN103188202B true CN103188202B (en) | 2017-09-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105791191A (en) * | 2014-12-18 | 2016-07-20 | 上海协同科技股份有限公司 | Method for realizing high-speed data communication for wireless narrowband, communication system of wireless narrow band and modem of wireless narrow band |
| US9634717B2 (en) * | 2015-03-20 | 2017-04-25 | Huawei Technologies Co., Ltd. | Single local oscillator architecture for dual-band microwave/millimeter-wave transceiver |
| CN110212997B (en) * | 2019-06-04 | 2022-02-22 | 成都德芯数字科技股份有限公司 | Method and device for acquiring modulation error rate |
| CN111669171A (en) * | 2020-05-21 | 2020-09-15 | 深圳市知用电子有限公司 | Signal isolation transmission device |
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| JP4043850B2 (en) * | 2002-06-03 | 2008-02-06 | 松下電器産業株式会社 | Diversity switching device |
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| EP1168617A2 (en) * | 2000-06-20 | 2002-01-02 | Comspace Corporation | Closed loop frequency control |
| CN1331525A (en) * | 2000-06-28 | 2002-01-16 | 日本电气株式会社 | Extended frequency communicating system and method thereof |
| CN101359363A (en) * | 2008-09-23 | 2009-02-04 | 清华大学 | Method for preventing interception in radio frequency recognition system using back-scattering modulation technique |
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