CN107026661A - A kind of multifrequency carrier wave multilayer diversity wireless transceiver system - Google Patents
A kind of multifrequency carrier wave multilayer diversity wireless transceiver system Download PDFInfo
- Publication number
- CN107026661A CN107026661A CN201710136023.9A CN201710136023A CN107026661A CN 107026661 A CN107026661 A CN 107026661A CN 201710136023 A CN201710136023 A CN 201710136023A CN 107026661 A CN107026661 A CN 107026661A
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- China
- Prior art keywords
- signal
- module
- electrically connected
- carrier wave
- wireless transceiver
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- 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.)
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Classifications
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0067—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Abstract
The invention discloses a kind of multifrequency carrier wave multilayer diversity wireless transceiver system, including emitter, receiver, signal input module, signal modulation module, signal projector, signal multichannel receiving module, signal demodulation module, signal comparative analysis processing module and signal output module, emitter is electrically connected with receiver by signal transmitting apparatus, signal demodulation module is electrically connected with signal comparative analysis processing module, signal comparative analysis processing module is electrically connected with signal output module, the present invention is on single wireless transmission product, by in required transmission signal modulation to the carrier wave of 2 or more than 2 different center frequencies, and launch；Single wireless receiving product receives the modulated carrier all emitted, and required signal is demodulated respectively, then these signals are compared analyzing and processing, draw optimal signal for using, the system is except in addition to using apart from upper advantage simultaneously, also with preferable interference free performance.
Description
Technical field
The present invention relates to electroacoustic industry, specially a kind of multifrequency carrier wave multilayer diversity wireless transceiver system.
Background technology
Conventional wireless microphone receive-transmit system is looked back, emitter is launched modulated signal in the form of single carrier, connect mostly
Receipts machine receives the signal and is demodulated, and obtains required audio signal.This single wireless microphone received of single-frequency transmitting makes
Use and often the situation of staccato occur, to solve this problem, start antenna diversity list demodulator circuit, double antenna occur in receiver
Double demodulation so that using distance effectively increasing, the situation for reducing staccato occurs.Despite this, in use in case of
To burst co-channel interference when, receiver can not demodulate required audio signal, and can only change could be used using channel, and
This process must interrupt the speech of user, the on-the-spot demonstration activity such as sing.
So, a kind of multifrequency carrier wave multilayer diversity wireless transceiver system how is designed, as asking that we currently to be solved
Topic.
The content of the invention
It is an object of the invention to provide a kind of multifrequency carrier wave multilayer diversity wireless transceiver system, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme：A kind of multifrequency carrier wave multilayer diversity wireless receiving and dispatching system
System, including emitter, receiver, signal input module, signal modulation module, signal projector, signal multichannel receiving module, letter
Side inside number demodulation module, signal comparative analysis processing module and signal output module, the emitter is provided with described
Signal input module, the side of the signal input module is provided with the signal modulation module, the signal modulation module
Side is provided with the signal projector, and the signal input module is electrically connected with the signal modulation module, and the signal is adjusted
Molding block is electrically connected with the signal projector, and the emitter is electrically connected with the receiver, institute by signal transmitting apparatus
Signal transmitting apparatus is stated for signal-transmitting cable；Side inside the receiver is provided with the signal multichannel receiving module,
The side of the signal multichannel receiving module is provided with the signal demodulation module, and the side of the signal demodulation module is provided with
The signal comparative analysis processing module, the side of the signal comparative analysis processing module is provided with the signal output mould
Block, the signal multichannel receiving module is electrically connected with the signal demodulation module, and the signal demodulation module is electrically connected with described
Signal comparative analysis processing module, the signal comparative analysis processing module is electrically connected with the signal output module.
Further, the carrier wave containing two or more different center frequencies in the signal modulation module.
Further, two or more demodulation passages are contained in the signal multichannel receiving module.
Further, the signal transmitting apparatus is electric wire or local radio network.
Further, the emitter and the receiver are electrically connected with civil power.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of multifrequency carrier wave multilayer diversity wireless transceiver system,
On single wireless transmission product, by required signal modulation of transmitting to the carrier wave of 2 or more than 2 different center frequencies, and
Launch；Single wireless receiving product receives the modulated carriers all emitted, and demodulates required signal respectively,
These signals are compared analyzing and processing again, optimal signal are drawn for using, while the system is except using apart from upper
Advantage outside, also with preferable interference free performance, only at the same time by can not just be used during co-channel interference, so simultaneously two
The probability that individual frequency is disturbed is relatively little of, in other occasions for needing reliability in time higher, multi-carrier transmission multilayer
The application of diversity reception wireless system is also fit closely.
Brief description of the drawings
Fig. 1 is the structural representation of the emitter of the present invention；
Fig. 2 is the structural representation of the receiver of the present invention；
In figure：1st, emitter；2nd, receiver；3rd, signal input module；4th, signal modulation module；5th, signal projector；6、
Signal multichannel receiving module；7th, signal demodulation module；8th, signal comparative analysis processing module；9th, signal output module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of multifrequency carrier wave multilayer diversity wireless transceiver system：Including emitter 1, connect
Receipts machine 2, signal input module 3, signal modulation module 4, signal projector 5, signal multichannel receiving module 6, signal demodulation module
7th, the side inside signal comparative analysis processing module 8 and signal output module 9, emitter 1 is provided with signal input module 3,
The side of signal input module 3 is provided with signal modulation module 4, and the side of signal modulation module 4 is provided with signal projector 5,
Signal input module 3 is electrically connected with signal modulation module 4, and signal modulation module 4 is electrically connected with signal projector 5, and emitter 1 leads to
The side crossed inside signal transmitting apparatus electric connection receiver 2, receiver 2 is provided with signal multichannel receiving module 6, and signal is more
The side of road receiving module 6 is provided with signal demodulation module 7, and the side of signal demodulation module 7 is provided with signal comparative analysis
Module 8 is managed, the side of signal comparative analysis processing module 8 is provided with signal output module 9, and signal multichannel receiving module 6 is electrical
Signal demodulation module 7 is connected, signal demodulation module 7 is electrically connected with signal comparative analysis processing module 8, signal comparative analysis processing
Module 8 is electrically connected with signal output module 9.
Further, the carrier wave containing two or more different center frequencies in signal modulation module 4, is easy to adjust
Frequently.
Further, it is easy to diversity to receive containing two or more demodulation passages in signal multichannel receiving module 6.
Further, signal transmitting apparatus is electric wire or local radio network, is easy to the transmission of signal.
Further, emitter 1 and receiver 2 are electrically connected with civil power, are easy to the normal of emitter 1 and receiver 2
Work；The signal transmitting apparatus is signal-transmitting cable.
Operation principle：Side inside emitter 1 is provided with signal input module 3, and the side of signal input module 3 is set
There is signal modulation module 4, the side of signal modulation module 4 is provided with signal projector 5, and signal input module 3 is electrically connected with letter
Number modulation module 4, signal modulation module 4 is electrically connected with signal projector 5, and emitter 1 is electrically connected with by signal transmitting apparatus
Side inside receiver 2, receiver 2 is provided with signal multichannel receiving module 6, and the side of signal multichannel receiving module 6 is set
There is signal demodulation module 7, the side of signal demodulation module 7 is provided with signal comparative analysis processing module 8, signal comparative analysis
The side of reason module 8 is provided with signal output module 9, and signal multichannel receiving module 6 is electrically connected with signal demodulation module 7, signal
Demodulation module 7 is electrically connected with signal comparative analysis processing module 8, and signal comparative analysis processing module 8 is electrically connected with signal output
Module 9, during work, on single wireless transmission product, by required transmission signal modulation to 2 or more than 2 different centers
On the carrier wave of frequency, and launch；Single wireless receiving product receives the modulated carrier all emitted, and demodulates respectively
Go out required signal, then these signals are compared analyzing and processing, optimal signal is drawn for using, with FM wireless microphones
Exemplified by, emitter 1 on the channel of modulates audio signals to respectively 600MHz and 700MHz and will be launched；2 points of receiver
600MHz and 700MHz signal is not received with the pattern of diversity, and demodulates 4 audio signals, respectively Aa1, Aa2, Ab1
And Ab2, then this 4 signals are compared analyzing and processing, show that best audio signal is used to user, the system except
Using outside upper advantage, also with preferable interference free performance, example above-mentioned only have at the same time by
It can not just be used during 600MHz and 700MHz co-channel interference, so while the probability that two frequencies are disturbed is relatively little of,
In other occasions for needing reliability in time higher, the application of multi-carrier transmission multilayer diversity reception wireless system is also very
Suitable.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system, including emitter (1), receiver (2), signal input module
(3), signal modulation module (4), signal projector (5), signal multichannel receiving module (6), signal demodulation module (7), signal ratio
Compared with analysis and processing module (8) and signal output module (9), it is characterised in that：The internal side of the emitter (1) is set
Signal input module (3) is stated, the side of the signal input module (3) is provided with the signal modulation module (4), the signal
The side of modulation module (4) is provided with the signal projector (5), and the signal input module (3) is electrically connected with the signal
Modulation module (4), the signal modulation module (4) is electrically connected with the signal projector (5), and the emitter (1) passes through letter
Number transmitting device is electrically connected with the receiver (2), and the internal side of the receiver (2) is provided with the signal multichannel and received
Module (6), the side of the signal multichannel receiving module (6) is provided with the signal demodulation module (7), the signal solution mode transfer
The side of block (7) is provided with the signal comparative analysis processing module (8), the one of the signal comparative analysis processing module (8)
Side is provided with the signal output module (9), and the signal multichannel receiving module (6) is electrically connected with the signal demodulation module
(7), the signal demodulation module (7) is electrically connected with the signal comparative analysis processing module (8), the signal comparative analysis
Manage module (8) and be electrically connected with the signal output module (9).
2. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system according to claim 1, it is characterised in that：The signal
Carrier wave containing two or more different center frequencies in modulation module (4).
3. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system according to claim 1, it is characterised in that：The signal
Contain two or more demodulation passages in multichannel receiving module (6).
4. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system according to claim 1, it is characterised in that：The signal
Transmitting device is electric wire or local radio network.
5. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system according to claim 1, it is characterised in that：The transmitting
Machine (1) and the receiver (2) are electrically connected with civil power.
6. a kind of multifrequency carrier wave multilayer diversity wireless transceiver system according to claim 1, it is characterised in that：The signal
Transmitting device is signal-transmitting cable.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136023.9A CN107026661A (en) | 2017-03-08 | 2017-03-08 | A kind of multifrequency carrier wave multilayer diversity wireless transceiver system |
| PCT/CN2017/080550 WO2018161407A1 (en) | 2017-03-08 | 2017-04-14 | Multifrequency carrier multilayer diversity wireless transceiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136023.9A CN107026661A (en) | 2017-03-08 | 2017-03-08 | A kind of multifrequency carrier wave multilayer diversity wireless transceiver system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107026661A true CN107026661A (en) | 2017-08-08 |
Family
ID=59525619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710136023.9A Pending CN107026661A (en) | 2017-03-08 | 2017-03-08 | A kind of multifrequency carrier wave multilayer diversity wireless transceiver system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107026661A (en) |
| WO (1) | WO2018161407A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509078A (en) * | 1990-03-15 | 1996-04-16 | Pioneer Electronic Corporation | Circuit for preventing crosstalk |
| JP2001156689A (en) * | 1999-11-30 | 2001-06-08 | Toyota Central Res & Dev Lab Inc | Diversity reception system for multi-carrier modulation and diversity receiver for multi-carrier modulation |
| EP1667341A1 (en) * | 2001-07-11 | 2006-06-07 | Sony Deutschland GmbH | Method for calculating a weighting vector for an antenna array |
| CN201393269Y (en) * | 2009-04-08 | 2010-01-27 | 合肥润东通讯科技有限公司 | Indoor wireless audio-video anti-multipath fading transmission device |
| CN201491145U (en) * | 2009-07-21 | 2010-05-26 | 顾渝骢 | Mobile multimedia telecast receiving terminal |
| CN103107851A (en) * | 2011-11-11 | 2013-05-15 | 武汉邮电科学研究院 | Device and method for signal sending and device and method for signal receiving |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2541799B1 (en) * | 2004-06-17 | 2014-10-08 | Harman Becker Automotive Systems GmbH | Diversity with identification of specific antenna properties and evaluation thereof |
| CN103986485A (en) * | 2013-02-08 | 2014-08-13 | 南京理工大学连云港研究院 | Emergent reception system capable of receiving multiple kinds of wireless signals |
-
2017
- 2017-03-08 CN CN201710136023.9A patent/CN107026661A/en active Pending
- 2017-04-14 WO PCT/CN2017/080550 patent/WO2018161407A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5509078A (en) * | 1990-03-15 | 1996-04-16 | Pioneer Electronic Corporation | Circuit for preventing crosstalk |
| JP2001156689A (en) * | 1999-11-30 | 2001-06-08 | Toyota Central Res & Dev Lab Inc | Diversity reception system for multi-carrier modulation and diversity receiver for multi-carrier modulation |
| EP1667341A1 (en) * | 2001-07-11 | 2006-06-07 | Sony Deutschland GmbH | Method for calculating a weighting vector for an antenna array |
| CN201393269Y (en) * | 2009-04-08 | 2010-01-27 | 合肥润东通讯科技有限公司 | Indoor wireless audio-video anti-multipath fading transmission device |
| CN201491145U (en) * | 2009-07-21 | 2010-05-26 | 顾渝骢 | Mobile multimedia telecast receiving terminal |
| CN103107851A (en) * | 2011-11-11 | 2013-05-15 | 武汉邮电科学研究院 | Device and method for signal sending and device and method for signal receiving |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018161407A1 (en) | 2018-09-13 |
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| PB01 | Publication | ||
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Application publication date: 20170808 |