CN109379101A - There are many hybrid communication devices in channel for miniature band - Google Patents
There are many hybrid communication devices in channel for miniature band Download PDFInfo
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- CN109379101A CN109379101A CN201811399280.2A CN201811399280A CN109379101A CN 109379101 A CN109379101 A CN 109379101A CN 201811399280 A CN201811399280 A CN 201811399280A CN 109379101 A CN109379101 A CN 109379101A
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- power line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Transceivers (AREA)
Abstract
The invention proposes a kind of miniature band, there are many hybrid communication devices in channel, including power line communication module, radio-frequency communication module, analog intermediate frequency processor, ADC converter, FPGA digital processing unit and central processing unit；By the way that analog intermediate frequency processor is arranged, it is intermediate-freuqncy signal that received analog signal and radiofrequency signal, which are unified frequency conversion, it is acquired AD converter when carrying out AD acquisition to the analog signal of intermediate frequency, exports high-speed figure intermediate-freuqncy signal, it is thus achieved that reducing the purpose of AD conversion rate requirement.
Description
Technical field
The present invention relates to technical field of communication equipment, in particular to there are many mixed communications in channel to set for a kind of miniature band
It is standby.
Background technique
With smart grid and multiband wireless communication technique development and gradually apply, existing wireless telecom equipment is more
Using microwave communication, by taking radio communication as an example, radio-frequency front-end directly carries out high-speed sampling to analog signal, but this structure needs
Will performance to AD converter and bandwidth of operation put forward higher requirements, when it come to arriving multi-channel rf signal synchronization process,
Very likely because the conversion rate of AD converter causes model to convert Caton, bandwidth congestion, the volume phenomenon of delay of response is handled.
On the other hand, the limitation that wireless telecom equipment is blocked due to wave band, frequency and barrier, is only applicable to short range transmission, can not
Meet the application transmitted at a distance.
Summary of the invention
The purpose of the present invention aims to solve at least one of the technological deficiency.
To achieve the goals above, the embodiment of one aspect of the present invention provides a kind of miniature band there are many mixing in channel and is logical
Believe equipment, including power line communication module, radio-frequency communication module, analog intermediate frequency processor, ADC converter, FPGA digital processing
Device and central processing unit；The power line communication module is used for carrier signal modulation on power line or by coupling on power line
The carrier signal of conjunction is demodulated；And carrier signal is sent to analog intermediate frequency processor；The radio-frequency communication module, for adjusting
System or demodulation radiofrequency signal, and radiofrequency signal is sent to analog intermediate frequency processor；
The analog intermediate frequency processor is for receiving carrier signal and radiofrequency signal, and by received analog signal and radio frequency
It is intermediate-freuqncy signal that signal, which unifies frequency conversion, and intermediate-freuqncy signal is sent to ADC converter, during the ADC converter will receive
Frequency signal carries out digital conversion, and the digital signal after conversion is sent to FPGA digital processing unit, by FPGA digital processing unit
It is filtered, and the digital signal after filtering processing is sent to central processing unit, carry out signal processing.
Preferably, the radio-frequency communication module includes receiving antenna, transmitting antenna, receives radio frequency unit, transmitting radio frequency list
Member；The receiving antenna is correspondingly connected with reception radio frequency unit, and the transmitting antenna is correspondingly connected with transmitting radio frequency unit.
In above-mentioned any one embodiment preferably, the power line communication module includes signal separation module, letter
Number isolation coupling module；The input terminal connection power carrier line of the signal separation module, one of the signal separation module
Output end connect power driving circuit, the another output connection signal isolation coupling module of the signal separation module it is defeated
Enter end.
In above-mentioned any one embodiment preferably, the power line communication module further includes at OFDM carrier signal
Manage module, the input terminal of the output end connection OFDM carrier signal processing module of the signal isolation coupling module, the OFDM
The output end of carrier signal processing module connects analog intermediate frequency processor.
In above-mentioned any one embodiment preferably, the central processing unit is using model TMS320C66X's
Dsp processor
In above-mentioned any one embodiment preferably, it is also set between the analog intermediate frequency processor and ADC converter
There is frequency divider, the frequency divider is used to carry out the intermediate-freuqncy signal after analog intermediate frequency processor frequency conversion multi-channel frequency division, and will frequency dividing
Signal afterwards is respectively sent to ADC converter and carries out digital conversion.
There are many hybrid communication devices in channel for a kind of miniature band provided according to embodiments of the present invention, compared to existing
Communication equipment has at least the following advantages:
1, by setting analog intermediate frequency processor, received analog signal and radiofrequency signal are unified into frequency conversion as intermediate frequency letter
Number, it is acquired AD converter when carrying out AD acquisition to the analog signal of intermediate frequency, exports high-speed figure intermediate-freuqncy signal,
It is thus achieved that reducing the purpose of AD conversion rate requirement.
2, power line communication module and radio-frequency communication module are provided with simultaneously in the hybrid communication device；It is thus achieved that
Corded power carrier wave and a variety of channels of less radio-frequency can be supported simultaneously, can both carry out wireless communication or can support cable modem
Letter.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is that there are many circuit structure frames of the hybrid communication device in channel for a kind of miniature band provided in an embodiment of the present invention
Figure；
In figure: 1, power line communication module；2, radio-frequency communication module；3, analog intermediate frequency processor；4, ADC converter；5,
FPGA digital processing unit；6, central processing unit；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figure 1, there are many hybrid communication devices in channel, including power line for a kind of miniature band of the embodiment of the present invention
Communication module 1, radio-frequency communication module 2, analog intermediate frequency processor 3, ADC converter 4, FPGA digital processing unit 5 and central processing
Device 6；The power line communication module 1 is used to believe by carrier signal modulation on power line or by the carrier wave coupled on power line
It number is demodulated；And carrier signal is sent to analog intermediate frequency processor 3；The radio-frequency communication module 2, for modulating or solving
Radiofrequency signal is adjusted, and radiofrequency signal is sent to analog intermediate frequency processor 3.
The analog intermediate frequency processor 3 by received analog signal and is penetrated for receiving carrier signal and radiofrequency signal
It is intermediate-freuqncy signal that frequency signal, which unifies frequency conversion, and intermediate-freuqncy signal is sent to ADC converter 4, and the ADC converter 4 will receive
Intermediate-freuqncy signal carry out digital conversion, and the digital signal after conversion is sent to FPGA digital processing unit 5, by FPGA number
Reason device 5 is filtered, and the digital signal after filtering processing is sent to central processing unit 6, carries out signal processing.
In one embodiment of the invention, the radio-frequency communication module 2 is penetrated including receiving antenna, transmitting antenna, reception
Frequency unit, transmitting radio frequency unit；The receiving antenna is correspondingly connected with reception radio frequency unit, and the transmitting antenna is correspondingly connected with transmitting
Radio frequency unit.
In another embodiment of the present invention, the power line communication module 1 includes signal separation module, signal isolation
Coupling module；The input terminal of the signal separation module connects power carrier line, an output end of the signal separation module
Connect power driving circuit, the input terminal of the another output connection signal isolation coupling module of the signal separation module.
In another embodiment of the present invention, the power line communication module 1 further includes OFDM carrier signal processing mould
Block, the input terminal of the output end connection OFDM carrier signal processing module of the signal isolation coupling module, the OFDM carrier wave
The output end of signal processing module connects analog intermediate frequency processor 3.
In another embodiment of the present invention, the central processing unit 6 is handled using the DSP of model TMS320C66X
Device.
In another embodiment of the present invention, it is additionally provided between the analog intermediate frequency processor 3 and ADC converter 4 point
Frequency device, the frequency divider are used to the intermediate-freuqncy signal after 3 frequency conversion of analog intermediate frequency processor carrying out multi-channel frequency division, and will be after frequency dividing
Signal is respectively sent to ADC converter 4 and carries out digital conversion.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.The scope of the present invention
By appended claims and its equivalent limit.
Claims (6)
1. there are many hybrid communication devices in channel, including power line communication module, radio-frequency communication module, simulation for a kind of miniature band
Intermediate frequency processor, ADC converter, FPGA digital processing unit and central processing unit；It is characterized in that,
The power line communication module is used to believe by carrier signal modulation on power line or by the carrier wave coupled on power line
It number is demodulated；And carrier signal is sent to analog intermediate frequency processor
The radio-frequency communication module is sent to analog intermediate frequency processing for modulating or demodulating radiofrequency signal, and by radiofrequency signal
Device；
The analog intermediate frequency processor is for receiving carrier signal and radiofrequency signal, and by received analog signal and radiofrequency signal
Unified frequency conversion is intermediate-freuqncy signal, and intermediate-freuqncy signal is sent to ADC converter, and the ADC converter believes the intermediate frequency received
Number digital conversion is carried out, and the digital signal after conversion is sent to FPGA digital processing unit, carried out by FPGA digital processing unit
Filtering processing, and the digital signal after filtering processing is sent to central processing unit, carry out signal processing.
2. there are many hybrid communication devices in channel for miniature band according to claim 1, which is characterized in that the radio frequency is logical
Letter module includes receiving antenna, transmitting antenna, receives radio frequency unit, transmitting radio frequency unit；The receiving antenna, which is correspondingly connected with, to be connect
Radio frequency unit is received, the transmitting antenna is correspondingly connected with transmitting radio frequency unit.
3. there are many hybrid communication devices in channel for miniature band according to claim 1, which is characterized in that the power line
Communication module includes signal separation module, signal isolation coupling module；The input terminal connection electric power of the signal separation module carries
One output end of swash, the signal separation module connects power driving circuit, and another of the signal separation module is defeated
The input terminal of outlet connection signal isolation coupling module.
4. there are many hybrid communication devices in channel for miniature band according to claim 3, which is characterized in that the power line
Communication module further includes OFDM carrier signal processing module, the output end connection OFDM carrier wave letter of the signal isolation coupling module
The output end of the input terminal of number processing module, the OFDM carrier signal processing module connects analog intermediate frequency processor.
5. there are many hybrid communication devices in channel for miniature band according to claim 1, which is characterized in that the centre
Manage the dsp processor that device uses model TMS320C66X.
6. there are many hybrid communication devices in channel for miniature band according to claim 1, which is characterized in that in the simulation
It is additionally provided with frequency divider between frequency processor and ADC converter, the frequency divider is used for will be in after analog intermediate frequency processor frequency conversion
Frequency signal carries out multi-channel frequency division, and the signal after frequency dividing is respectively sent to ADC converter and carries out digital conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399280.2A CN109379101A (en) | 2018-11-22 | 2018-11-22 | There are many hybrid communication devices in channel for miniature band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399280.2A CN109379101A (en) | 2018-11-22 | 2018-11-22 | There are many hybrid communication devices in channel for miniature band |
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| Publication Number | Publication Date |
|---|---|
| CN109379101A true CN109379101A (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811399280.2A Pending CN109379101A (en) | 2018-11-22 | 2018-11-22 | There are many hybrid communication devices in channel for miniature band |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020216337A1 (en) * | 2019-04-26 | 2020-10-29 | 华为技术有限公司 | Signal transmitting circuit, signal receiving circuit, electronic device and base station |
| CN117872259A (en) * | 2024-03-13 | 2024-04-12 | 天津七六四通信导航技术有限公司 | Method and system for processing sliding monitoring signal in instrument landing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761350A (en) * | 2012-07-19 | 2012-10-31 | 清华大学 | Power line and wireless mixed communication method and device thereof |
| CN104539317A (en) * | 2015-02-09 | 2015-04-22 | 北京华强智连微电子有限责任公司 | Dual-mode communication chip of OFDM carrier wave mode and GFSK wireless mode |
| CN204795023U (en) * | 2015-08-13 | 2015-11-18 | 国网山东省电力公司烟台供电公司 | Bimodulus communication circuit based on low pressure power line and micropower are wireless |
| CN106533508A (en) * | 2016-12-15 | 2017-03-22 | 河南省科学院应用物理研究所有限公司 | Internet of things-based communication device and communication method |
-
2018
- 2018-11-22 CN CN201811399280.2A patent/CN109379101A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761350A (en) * | 2012-07-19 | 2012-10-31 | 清华大学 | Power line and wireless mixed communication method and device thereof |
| CN104539317A (en) * | 2015-02-09 | 2015-04-22 | 北京华强智连微电子有限责任公司 | Dual-mode communication chip of OFDM carrier wave mode and GFSK wireless mode |
| CN204795023U (en) * | 2015-08-13 | 2015-11-18 | 国网山东省电力公司烟台供电公司 | Bimodulus communication circuit based on low pressure power line and micropower are wireless |
| CN106533508A (en) * | 2016-12-15 | 2017-03-22 | 河南省科学院应用物理研究所有限公司 | Internet of things-based communication device and communication method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020216337A1 (en) * | 2019-04-26 | 2020-10-29 | 华为技术有限公司 | Signal transmitting circuit, signal receiving circuit, electronic device and base station |
| CN117872259A (en) * | 2024-03-13 | 2024-04-12 | 天津七六四通信导航技术有限公司 | Method and system for processing sliding monitoring signal in instrument landing system |
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Application publication date: 20190222 |
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