CN106357339A - Working method of same-frequency fiber optic repeater and same-frequency fiber optic repeater - Google Patents
Working method of same-frequency fiber optic repeater and same-frequency fiber optic repeater Download PDFInfo
- Publication number
- CN106357339A CN106357339A CN201610803115.3A CN201610803115A CN106357339A CN 106357339 A CN106357339 A CN 106357339A CN 201610803115 A CN201610803115 A CN 201610803115A CN 106357339 A CN106357339 A CN 106357339A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- signal
- frequency
- common frequency
- fiber repeater
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000835 fiber Substances 0.000 title abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims description 175
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000035559 beat frequency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/298—Two-way repeaters, i.e. repeaters amplifying separate upward and downward lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a same-frequency fiber optic repeater and a working method of the same-frequency fiber optic repeater. The same-frequency fiber optic repeater comprises a power supply, an antenna feed system, a wireless receiver, a wireless transmitter, an optical transmission receiver, an optical transmission transmitter, a programmable up-converter, a programmable down-converter, a transmitting power divider, an electronic switch, a microprocessor, a ranging system and microprocessor work software. Field intensity overlay and interleaving of multiple same-frequency fiber optic repeaters can be realized, the same-frequency fiber optic repeater has the characteristics of being reliable in coverage, little in same-frequency interference and free of feedback self-excitation, frequent switching can be reduced, transmission quality and reliability can be improved, and the same-frequency fiber optic repeater is applicable to wireless communication relay transmission.
Description
Technical field
The present invention be wireless communications relay transmission technology it is adaptable to the relay transmission of wireless communication system, belong to channel radio
Letter technical field.
Background technology
In the optical-fiber wireless relay system of current application, extensive utilization optical fiber direct amplification relaying technique, its system structure is led to
It is often using the form of the composition being connected one or more remote terminations by near-end machine by fibre circuit, between near-end machine and remote termination
It is capable of communicating wirelessly to each other relay forwarding function, wireless reception of signals is converted into optical signal for near-end machine by its method of work
The signal of telecommunication is then reduced into by fiber-optic transfer to remote termination and is sent with identical frequency process, wireless reception of signals is turned by remote termination
Change optical signal into be then reduced into the signal of telecommunication by fiber-optic transfer to near-end machine and send with identical frequency process；It is main that it exists
Problem is that the relay system being constituted for multiple optical fiber repeaters, when the Field strength coverage of adjacent fiber repeater is interweaved
When it will usually have the feelings that more than one optical fiber repeater receives the radio carrier frequency signal of same mobile station transmitting
Condition, if this reception carrier signal all is carried out turning by the optical fiber repeater receiving same CF signal in this case
Send out, then can produce co-channel interference and feedback self-excitation, and mobile station also can be simultaneously received by different optical fiber in covering interwoven region
Multiple homogenous frequency signals of repeater transmitting, and each repeater produces beat frequency due to the CF signal of transmitting due to carrier frequency frequency difference
Interference, but in actual applications, need the Field strength coverage of wireless relay system to be interweaved, to ensure to cover reliability；With this
Bright similar correlation technique is: the patent No. 2009100603489, high-stability common-frequency optical fiber directly puts method of work and high-stability common-frequency optical fiber
Repeater, wherein describes some related solutions, but in actual applications, is supervised using the intensity of CF signal as unique
Survey with reference to and priority code limited not applicable because in the wireless communication coverage in mountain area, its field intensity size is not complete
Entirely and apart from linear proportional relation it may be assumed that field intensity is big, but distance is not necessarily nearby, and field intensity is little, is also exactly not necessarily distance
Far, if according to the cut-in method in correlation technique it is likely that being linked into relative distance optical fiber repeater farther out and by this
Repeater gives signal and forwards, and quickly accessing of the wireless communication terminal being thus unfavorable in moving process is susceptible to
The phenomenon of frequent switching, causes transmission quality and reliability decrease.
Content of the invention
In view of the foregoing, it is an object of the invention to provide a kind of common frequency optical fiber repeater method of work and common-frequency optical fiber
Repeater, so that this optical fiber repeater is capable of Field strength coverage is interweaved, has that covering is reliable, co-channel interference is little, no returns
Award self-excitation, reduce switching, improve transmission quality and reliability it is adaptable to the feature of wireless communications relay transmission.
For reaching above-mentioned purpose, the present invention introduces a kind of common frequency optical fiber repeater method of work, and described common-frequency optical fiber is straight
Put station and include power supply, antenna-feedback system, wireless receiver, transmitting set, optical transport receiver, optical transport transmitter, range finding system
System and microprocessor are constituted it is characterised in that executing following method of work:
(1) to each common frequency optical fiber repeater arrange corresponding address code, preferential weighted code, reception carrier signal intensity weighted value and
Distance weights；
(2) calculate the intensity of this CF signal when wireless receiver is received CF signal, drawn according to range-measurement system
The reception and transmission range of reception carrier signal, according to reception carrier signal intensity weighted value and distance weights, to the carrier frequency letter obtaining
The reception and transmission range of number intensity level and frequency signal is weighted summation and obtains corresponding CF signal receiving reference value, then by this carrier frequency
Signal receives reference value, the address code of preferential weighted code, corresponding time tag code and this optical fiber repeater is sent by optical transport
Machine is sent to other common frequency optical fiber repeaters connecting by optical fiber；
(3) CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference value
The address code of coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is stored, and is passed by light
The CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference by defeated transmitter
The address code of value coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is sent to by optical fiber even
Other common frequency optical fiber repeaters connecing；
(4) each CF signal in same corresponding time tag code section that common frequency optical fiber repeater stores is received reference value
Coding is compared, and presses the size of the corresponding reception carrier signal intensity of CF signal reception reference value coding to same frequency light
The address code of fine repeater carries out height and sorts, and has multiple CF signals to receive reference value coding corresponding carrier frequency letter in the ranking
Then the plurality of CF signal is received reference value in the case of number intensity identical and encode corresponding address code and press corresponding preferential weighted code
Height carries out height and arranges；
(5) according to above-mentioned ranking results, the carrier frequency that wireless receiver receives is believed by corresponding sequence highest common frequency optical fiber repeater
Number down-convert to the intermediate-freuqncy signal that programming is specified, this intermediate-freuqncy signal is sent to by optical transport transmitter and is connected by optical fiber
Other common frequency optical fiber repeaters, and this intermediate-freuqncy signal is carried out upconverting to after the carrier frequency frequency that programming is specified by wireless transmit
Machine is launched；
(6) do not receive radio carrier frequency signal and will be by light by the relatively low common frequency optical fiber repeater of the corresponding sequence of above-mentioned ranking results
It is straight that the intermediate-freuqncy signal that transmission receiver receives is sent to, by optical transport transmitter, other common-frequency optical fibers connecting by optical fiber
Put station, and by this common frequency optical fiber repeater, the intermediate-freuqncy signal that optical transport receiver receives is carried out up-converting to programming and specify
Carrier frequency frequency after launched by transmitting set；
(7) during above-mentioned up-conversion and down coversion, the frequency stability of local vibration source adopting and accuracy index meet institute
The carrier frequency frequency difference causing is in outside the useful frequency range required by corresponding communication system.
Common frequency optical fiber repeater method of work of the present invention, can also be it is characterized in that, common frequency optical fiber repeater
Receive reference value coding and the preferential weighted code sequence knot to the address code of common frequency optical fiber repeater more afterwards according to by CF signal
Really, generate the specified forwarding order code of the address code including corresponding sequence highest common frequency optical fiber repeater, and passed by light
Defeated transmitter is sent this to other common frequency optical fiber repeaters being connected by optical fiber and specifies forwarding order code；Received by optical transport
Machine is received specified forwarding order code but is passed through with the inconsistent common frequency optical fiber repeater of address code in specified forwarding order code
Optical transport transmitter is forwarded to other common frequency optical fiber repeaters being connected by optical fiber and gives this to specify forwarding order code, and light is passed
The intermediate-freuqncy signal that defeated receiver receives passes through this common frequency optical fiber repeater after carrying out up-converting to the carrier frequency frequency that programming is specified
Transmitting set launch；Receive by optical transport receiver to specify and forward order code and forward in order code with specified
The CF signal that wireless receiver receives is down-converted to the intermediate frequency that programming is specified by the common frequency optical fiber repeater that address code is consistent
This intermediate-freuqncy signal is sent to, by optical transport transmitter, other common frequency optical fiber repeaters connecting by optical fiber by signal simultaneously,
And carry out up-converting to after the carrier frequency frequency that programming is specified by the wireless transmit of this common frequency optical fiber repeater by this intermediate-freuqncy signal
Machine is launched；So directly put so that CF signal being received with reference value coding and being compared work by a common-frequency optical fiber
After the completion of standing and specifying reception carrier signal by this common frequency optical fiber repeater is that common frequency optical fiber repeater the strongest will receive load
Frequency signal is forwarded, so so that the software configuration of the present invention is relatively simple, convenient to carry out.
Common frequency optical fiber repeater method of work of the present invention, can also be it is characterized in that, will be in programmable under
The automatic gaining controling signal of the intermediate frequency signal amplifier of converter rear class is converted to corresponding reception carrier signal strength values；This
Sample is easy to the enforcement of the present invention.
For realizing common frequency optical fiber repeater method of work of the present invention, the present invention also introduces a kind of common-frequency optical fiber directly puts
Standing it is characterised in that there being a transmission control unit (TCU), having a programable downConverter, an electronic cutting in this transmission control unit (TCU)
Pass, transmission power splitter, programmable upconverter, microprocessor, a range-measurement system, the load of wireless receiver
Frequency signal output part is connected with the CF signal input of programable downConverter, and the intermediate-freuqncy signal of programable downConverter is defeated
Go out end and an electrical signal of optical transport receiver is connected with two signal input make and break contacts of electrical switch respectively
Connect, the signal output switch contact of electrical switch is connected with the CF signal input sending power splitter, send power splitter
Two CF signal outfans respectively with the electric signal input end of optical transport transmitter and the intermediate-freuqncy signal of programmable upconverter
Input is connected, and the CF signal outfan of programmable upconverter is connected with the CF signal input of transmitting set
Connect, the CF signal amplifier gain control signal outfan of wireless receiver is worked with an analog/digital conversion of microprocessor
Signal input part is connected, the outfan of range-measurement system, the programming input of programable downConverter, programmable upconverter
Programming input, electrical switch working state control end, another electric signal input end of optical transport transmitter and optical transport connect
Another electrical signal of receipts machine is connected with the working signal input/output terminal of microprocessor respectively；Setting range-measurement system
Effect be to obtain in real time the transmitting of received CF signal to the distance between receiving parameter；The mesh of setting electrical switch
Be recorded after the comparing to determine of audio amplifier automatic gaining controling signal coding by docking, select there is maximum reception and carry
Frequency strength signal is forwarded, and the purpose of setting low-converter is to be easy to the frequency-selecting to reception carrier signal and receives, in setting
The purpose of converter is to be easy to former CF signal is transformed to the CF signal of another frequency；So can achieve the present invention
Purpose of design, specific embodiment is as described in embodiment.
The operation principle of the present invention and beneficial effect
Corresponding preferential weighted code, reception carrier signal intensity weighted value and distance weights are set in common frequency optical fiber repeater,
When radio receiving-transmitting unit is in common frequency optical fiber repeater area of coverage radio carrier frequency signal it will usually there be one or more common-frequency optical fibers
Repeater receives this CF signal, and reception carrier signal is measured by the common frequency optical fiber repeater receiving this CF signal
To reception carrier signal strength values, corresponding CF signal reception and transmission range value is calculated by range-measurement system, is obtained by alignment system
Go out and have multiple with the method for the distance parameter of this radio carrier frequency signal source, be such as also equipped with alignment system on a mobile communication terminal
And positional information is sent to described optical fiber repeater by radio carrier frequency signal, the alignment system in optical fiber repeater is permissible
Positional information according to optical fiber repeater and the current positional information of mobile communication terminal draw distance parameter between the two,
The method of wireless distance finding can be adopted to calculate the transmitting-receiving spacing of CF signal；Add further according to the reception carrier signal intensity setting
Weights and distance weights are weighted summation and obtain CF signal reception reference value to reception carrier signal intensity and distance, will
CF signal receives reference value and encodes and stored, then this CF signal is received reference value coding, corresponding time tag
The address code of code and this common frequency optical fiber repeater is sent to, by optical transport transmitter, other common-frequency optical fibers connecting by optical fiber
Repeater；The carrier frequency that other common frequency optical fiber repeaters being received by optical transport receiver are sent by common frequency optical fiber repeater
The address code that signal receives reference value coding, corresponding time tag code and corresponding common frequency optical fiber repeater is stored, and leads to
Cross optical transport transmitter and this coding is sent to other common frequency optical fiber repeaters connecting by optical fiber；So each common-frequency optical fiber
Repeater be obtained for each common frequency optical fiber repeater CF signal receive reference value coding, corresponding time tag code section and
The address code of corresponding common frequency optical fiber repeater；Common frequency optical fiber repeater by store each in same corresponding time tag code section
CF signal receive reference value coding be compared, that is, not to interval time exceed this yard of section CF signal receive reference value
Coding is made comparisons, and receives, by CF signal, size and the priority code that the corresponding CF signal of reference value coding receives reference value
The address code of common frequency optical fiber repeater is ranked up, receives reference value coding if there are multiple CF signals in the ranking and correspond to
CF signal receive reference value identical in the case of then by the plurality of CF signal receive reference value encode corresponding address code
Carry out height by corresponding preferential weighted code height to arrange, so, sequence highest common frequency optical fiber repeater then connects for its CF signal
Receive reference value highest, or multiple have same carrier signal receive reference value common frequency optical fiber repeaters in its priority
Height, has and preferentially entering the function that transfering the letter connects working condition, and that is, this sequence highest common frequency optical fiber repeater is by wireless receiving
The CF signal that machine receives down-converts to the intermediate-freuqncy signal that programming is specified, and this intermediate-freuqncy signal is sent to by optical transport transmitter
Other common frequency optical fiber repeaters being connected by optical fiber, and this intermediate-freuqncy signal is carried out upconverting to the carrier frequency frequency that programming is specified
Launched by transmitting set afterwards, for do not receive radio carrier frequency signal and according to above-mentioned ranking results sort relatively low
The intermediate-freuqncy signal being received by optical transport receiver is sent to by light by common frequency optical fiber repeater by optical transport transmitter
Fine other common frequency optical fiber repeaters connecting, and by this common frequency optical fiber repeater, the intermediate frequency that optical transport receiver receives is believed
Launched by transmitting set after number carrying out up-converting to the carrier frequency frequency that programming is specified, in above-mentioned up-conversion and down coversion
During the frequency stability of local vibration source that adopts and accuracy index meet caused carrier frequency frequency difference and be in relay services institute
Outside the useful frequency range of corresponding communication system requirements, so avoid multiple common frequency optical fiber repeaters same by receive
The phenomenon that CF signal is forwarded, also due to the CF signal local vibration source that all common frequency optical fiber repeaters are launched employs height
Degree of stability and high-precision reference source, therefore can avoid beat frequency interference produced by co-channel interference, in conversion process, setting can
The purpose of programming low-converter is to be easy to the frequency-selecting to reception carrier signal and receives, and the purpose arranging programmable upconverter exists
In being easy to former CF signal is transformed to the CF signal of another frequency, to avoid adjacent common frequency optical fiber repeater to turn in reception
Brought when sending out feedback self-excitation, and according to communication access reliability from the point of view of, CF signal intensity is higher, distance is nearer,
Then reliability is higher, but for the reliability relatively continuing, minimizing switching, range index is more even more important than field intensity index, and phase
For communication quality, field intensity index is more even more important than range index, therefore, in actual applications, needs this two are referred to
Mark is considered, and gives weighted sum using different weights, therefore arranges in the address code to common frequency optical fiber repeater
Program process, comprehensive reference reception carrier signal intensity and reception and transmission range, priority factors, therefore can reduce and frequently cut simultaneously
Change, improve transmission quality and reliability.
Brief description
Fig. 1 is the common frequency optical fiber repeater pie graph of one embodiment of the invention；
Fig. 2 is that the high-stability common-frequency optical fiber of one embodiment of the invention directly puts method of work and common frequency optical fiber repeater main program flow process
Figure.
Specific embodiment
Embodiments of the invention are described below taking accompanying drawing as a example；
Fig. 1 represents the common frequency optical fiber repeater pie graph of an embodiment, wherein:
(1) it is wireless receiver, using multi-standard, multiband, there is reception carrier amplifier automatic gain control function and load
The programmable radio receiver module of audio amplifier automatic gaining controling signal output function, and enter under control of the microprocessor
Set working condition；(2) it is antenna-feedback system, using the composition such as antenna, radio frequency feed line, power splitter and duplexer；(3) it is wireless sending out
Penetrate machine, using the programmable radio transmitter module of multi-standard, multiband, and enter setting under the control in microprocessor and programming
Working condition；A is transmission control unit (TCU)；(4) it is programable downConverter, using programmable local oscillation circuit module, frequency mixer, filtering
The modules such as device form, and the purpose of setting low-converter is to be easy to the frequency-selecting to reception carrier signal and receives；(5) it is electronic cutting
Close, meet the single-pole double throw electronic switching device of transmission CF signal index using operating frequency and time constant；(6) it is to receive
Power splitter, using conventional power splitter device；(7) be programmable upconverter, using programmable local oscillation circuit module, frequency mixer,
The modules such as wave filter form, and the purpose of setting upconverter is to be easy to former CF signal is transformed to the carrier frequency of another frequency
Signal；During above-mentioned up-conversion and down coversion adopt the frequency stability of local vibration source and accuracy index meet institute
The carrier frequency frequency difference causing is in outside the useful frequency range required by communication system, and such as: communication system is voice communication, carrier frequency is
450mhz, the voice band of its transmission is 300hz～3400hz, then the frequency stability of selection local vibration source and accuracy index are
±5×10- 8, the carrier frequency frequency difference that it causes is (450mhz) × (5 × 10- 8)=22.25hz ＜ 300hz, that is, be in communication system
Outside the useful frequency range requiring, disclosure satisfy that the demand of communication system；(8) it is microprocessor, constituted using Single Chip Microcomputer (SCM) system, its
In the input containing analog/digital conversion function, turn for the carrier amplifier automatic gaining controling signal of input is carried out analog
Change；(9) it is optical transport transmitter, constituted using optical-electrical converter and wavelength division multiplexer, its light signal output end passes through external light
Fine circuit is connected with the optical signal input of the optical transport receiver of other optical fiber repeaters；(10) receive for optical transport
Machine, is constituted using optical-electrical converter and Wave decomposing multiplexer, and its optical signal input passes through external fibre circuit and other light
The light signal output end of the optical transport transmitter of fine repeater is connected, each electricity of optical transport receiver and optical transport transmitter
Signal input output end is respectively used to reception and the transmission of CF signal and digital signal；Gps is range-measurement system；
Fig. 2 represents that the high-stability common-frequency optical fiber representing one embodiment of the invention directly puts method of work and common frequency optical fiber repeater is main
Program flow diagram, wherein:
(1) opening initialization, to the machine address code, preferential weighted code, reception carrier signal intensity weighted value and distance weights, right
Each device and programmable module carry out parameter setting；
(2) calculate the intensity of this CF signal when wireless receiver is received CF signal, drawn according to range-measurement system
The reception and transmission range of reception carrier signal, according to reception carrier signal intensity weighted value and distance weights, to the carrier frequency letter obtaining
The reception and transmission range of number intensity level and frequency signal is weighted summation and obtains corresponding CF signal receiving reference value, then by this carrier frequency
Signal receives reference value, the address code of preferential weighted code, corresponding time tag code and this optical fiber repeater is sent by optical transport
Machine is sent to other common frequency optical fiber repeaters connecting by optical fiber；
(3) CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference value
The address code of coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is stored, and is passed by light
The CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference by defeated transmitter
The address code of value coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is sent to by optical fiber even
Other common frequency optical fiber repeaters connecing；
(4) each CF signal in same corresponding time tag code section that common frequency optical fiber repeater stores is received reference value
Coding is compared, and presses the size of the corresponding reception carrier signal intensity of CF signal reception reference value coding to same frequency light
The address code of fine repeater carries out height and sorts, and has multiple CF signals to receive reference value coding corresponding carrier frequency letter in the ranking
Then the plurality of CF signal is received reference value in the case of number intensity identical and encode corresponding address code and press corresponding preferential weighted code
Height carries out height and arranges；
(5) according to above-mentioned ranking results, the carrier frequency that wireless receiver receives is believed by corresponding sequence highest common frequency optical fiber repeater
Number down-convert to the intermediate-freuqncy signal that programming is specified, this intermediate-freuqncy signal is sent to by optical transport transmitter and is connected by optical fiber
Other common frequency optical fiber repeaters, and this intermediate-freuqncy signal is carried out upconverting to after the carrier frequency frequency that programming is specified by wireless transmit
Machine is launched；
(6) do not receive radio carrier frequency signal and will be by light by the relatively low common frequency optical fiber repeater of the corresponding sequence of above-mentioned ranking results
It is straight that the intermediate-freuqncy signal that transmission receiver receives is sent to, by optical transport transmitter, other common-frequency optical fibers connecting by optical fiber
Put station, and by this common frequency optical fiber repeater, the intermediate-freuqncy signal that optical transport receiver receives is carried out up-converting to programming and specify
Carrier frequency frequency after launched by transmitting set；
(7) during above-mentioned up-conversion and down coversion, the frequency stability of local vibration source adopting and accuracy index meet institute
The carrier frequency frequency difference causing is in outside the useful frequency range required by corresponding communication system.Each according to above-mentioned accompanying drawing and explanation configuration
Individual functional module, components and parts, connect related device module and for microprocessor write working software program and arrange running parameter,
The enforcement of the present invention can be completed.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, the compiling of described common frequency optical fiber repeater
In the rear class loop of journey low-converter, setting has the intermediate frequency signal amplifier of automatic gain control function, and by this intermediate-freuqncy signal
The automatic gaining controling signal outfan of amplifier is connected with an analog/digital conversion working signal input of microprocessor；
So so that the present invention improves the selective power to communications band, improve capacity of resisting disturbance.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, described common frequency optical fiber repeater
The local vibration source of the programmable upconverter in transmission control unit (TCU) and programable downConverter adopt satellite time service system provide when
The clock source that Zhong Yuan provides as reference oscillation source, the such as satellite fix such as gps, the Big Dipper, Galileo and time dissemination system, so permissible
Obtain high stability and high-precision reference oscillation source it is convenient to implement the present invention.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, described common frequency optical fiber repeater
The local vibration source of the programmable upconverter in transmission control unit (TCU) and programable downConverter adopts constant-temperature crystal oscillator as ginseng
Examine oscillation source, so can readily obtain high stability and high-precision reference oscillation source, can the present invention convenient to carry out.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, described common frequency optical fiber repeater has
Transmission control unit (TCU) in programmable upconverter and programable downConverter adopt programmable phase-locked loop circuitry, wave filter, pressure
Controlled oscillator and frequency mixer composition, so can be advantageously carried out the present invention.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, described common frequency optical fiber repeater is also
Can be to there is the wireless receiver of different operating frequency and standard, multiple there is different operating frequency and standard using multiple
Transmitting set, multiple optical transport receiver, multiple optical transport transmitter, the building form of multiple transmission control unit (TCU), so may be used
Relay transmission is carried out to the wireless communication system of multiple different frequent points it is also possible to make optical fiber repeater realize passing through optical fiber cable
Road connects the optical fiber repeater on multiple different directions, it is possible to increase the range of application of the present invention.
Common frequency optical fiber repeater of the present invention, can also be it is characterized in that, described common frequency optical fiber repeater is also
Can be from have reception carrier strength signal output wireless receiver module, so so that the enforcement of the present invention more
Simple.
Invention describes one kind is by power supply, antenna-feedback system, wireless receiver, transmitting set, optical transport receiver, light
Transmission transmitter, programmable upconverter, programable downConverter, transmission power splitter, electrical switch, microprocessor, range finding system
The common frequency optical fiber repeater that module and the microprocessor work softwares such as system are constituted is it is achieved that a kind of common-frequency optical fiber directly puts work side
Method and, be capable of multiple optical fiber repeater Field strength coverage and be interweaved, have that covering is reliable, co-channel interference is little, no feedback from
Sharp feature, can reduce frequent switching, improve transmission quality and reliability, can be suitably used for the feature of wireless communications relay transmission.
Claims (9)
1. a kind of common frequency optical fiber repeater method of work, described common frequency optical fiber repeater includes power supply, antenna-feedback system, wirelessly connects
Receipts machine, transmitting set, optical transport receiver, optical transport transmitter, programable downConverter, programmable upconverter, range finding
System and microprocessor are constituted it is characterised in that executing following method of work:
(1) to each common frequency optical fiber repeater arrange corresponding address code, preferential weighted code, reception carrier signal intensity weighted value and
Distance weights；
(2) calculate the intensity of this CF signal when wireless receiver is received CF signal, drawn according to range-measurement system
The reception and transmission range of reception carrier signal, according to reception carrier signal intensity weighted value and distance weights, to the carrier frequency letter obtaining
The reception and transmission range of number intensity level and frequency signal is weighted summation and obtains corresponding CF signal receiving reference value, then by this carrier frequency
Signal receives reference value, the address code of preferential weighted code, corresponding time tag code and this optical fiber repeater is sent by optical transport
Machine is sent to other common frequency optical fiber repeaters connecting by optical fiber；
(3) CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference value
The address code of coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is stored, and is passed by light
The CF signal that other common frequency optical fiber repeaters being received by optical transport receiver are sent is received reference by defeated transmitter
The address code of value coding, corresponding time tag code, preferential weighted code and corresponding common frequency optical fiber repeater is sent to by optical fiber even
Other common frequency optical fiber repeaters connecing；
(4) each CF signal in same corresponding time tag code section that common frequency optical fiber repeater stores is received reference value
Coding is compared, and presses the size of the corresponding reception carrier signal intensity of CF signal reception reference value coding to same frequency light
The address code of fine repeater carries out height and sorts, and has multiple CF signals to receive reference value coding corresponding carrier frequency letter in the ranking
Then the plurality of CF signal is received reference value in the case of number intensity identical and encode corresponding address code and press corresponding preferential weighted code
Height carries out height and arranges；
(5) according to above-mentioned ranking results, the carrier frequency that wireless receiver receives is believed by corresponding sequence highest common frequency optical fiber repeater
Number down-convert to the intermediate-freuqncy signal that programming is specified, this intermediate-freuqncy signal is sent to by optical transport transmitter and is connected by optical fiber
Other common frequency optical fiber repeaters, and this intermediate-freuqncy signal is carried out upconverting to after the carrier frequency frequency that programming is specified by wireless transmit
Machine is launched；
(6) do not receive radio carrier frequency signal and will be by light by the relatively low common frequency optical fiber repeater of the corresponding sequence of above-mentioned ranking results
It is straight that the intermediate-freuqncy signal that transmission receiver receives is sent to, by optical transport transmitter, other common-frequency optical fibers connecting by optical fiber
Put station, and by this common frequency optical fiber repeater, the intermediate-freuqncy signal that optical transport receiver receives is carried out up-converting to programming and specify
Carrier frequency frequency after launched by transmitting set；
(7) during above-mentioned up-conversion and down coversion, the frequency stability of local vibration source adopting and accuracy index meet institute
The carrier frequency frequency difference causing is in outside the useful frequency range required by corresponding communication system.
2. common frequency optical fiber repeater method of work as claimed in claim 1 is it is characterised in that common frequency optical fiber repeater is according to pressing
CF signal receives reference value coding and the preferential weighted code ranking results to the address code of common frequency optical fiber repeater more afterwards, generates
Include the specified forwarding order code of the address code of corresponding sequence highest common frequency optical fiber repeater, and pass through optical transport transmitter
Send this to other common frequency optical fiber repeaters connecting by optical fiber and specify forwarding order code；Received by optical transport receiver
Specify forwarding order code but sent out by optical transport with the inconsistent common frequency optical fiber repeater of address code in specified forwarding order code
Send machine to forward to other common frequency optical fiber repeaters of connecting by optical fiber to give this to specify to forward order code, and by optical transport receiver
The intermediate-freuqncy signal receiving is sent out by the wireless of this common frequency optical fiber repeater after carrying out up-converting to the carrier frequency frequency that programming is specified
The machine of penetrating is launched；Receive by optical transport receiver to specify and forward order code and forward address code-phase in order code with specified
The CF signal that wireless receiver receives is down-converted to the intermediate-freuqncy signal that programming is specified by the common frequency optical fiber repeater meeting, simultaneously
This intermediate-freuqncy signal is sent to, by optical transport transmitter, other common frequency optical fiber repeaters connecting by optical fiber, and by this intermediate frequency
Signal is launched by the transmitting set of this common frequency optical fiber repeater after carrying out up-converting to the carrier frequency frequency that programming is specified.
3. common frequency optical fiber repeater method of work as claimed in claim 1 will be it is characterised in that programable downConverter will be in
The automatic gaining controling signal of the intermediate frequency signal amplifier of rear class is converted to corresponding reception carrier signal strength values.
4. a kind of common frequency optical fiber repeater that can realize common frequency optical fiber repeater method of work is it is characterised in that there is a transmission
Controller, have in this transmission control unit (TCU) a programable downConverter, electrical switch, one send power splitter, one
Programmable upconverter, microprocessor, a range-measurement system, the CF signal outfan of wireless receiver with programmable under
The CF signal input of converter is connected, the intermediate-freuqncy signal outfan of programable downConverter and the one of optical transport receiver
Individual electrical signal is connected with two signal input make and break contacts of electrical switch respectively, and the signal output of electrical switch is opened
Coila with send power splitter CF signal input be connected, send power splitter two CF signal outfans respectively with
The signal input end of intermediate frequency of the electric signal input end of optical transport transmitter and programmable upconverter is connected, programmable up-conversion
The CF signal outfan of device is connected with the CF signal input of transmitting set, and the CF signal of wireless receiver amplifies
Device gain control signal outfan is connected with an analog/digital conversion working signal input of microprocessor, range-measurement system
Outfan, the programming input of programable downConverter, the programming input of programmable upconverter, electrical switch working condition
Another electrical signal of control end, another electric signal input end of optical transport transmitter and optical transport receiver is respectively
It is connected with the working signal input/output terminal of microprocessor.
5. common frequency optical fiber repeater as claimed in claim 4 it is characterised in that described common frequency optical fiber repeater programmable
In the rear class loop of low-converter, setting has the intermediate frequency signal amplifier of automatic gain control function, and this intermediate-freuqncy signal is put
The big automatic gaining controling signal outfan of device is connected with an analog/digital conversion working signal input of microprocessor.
6. common frequency optical fiber repeater as claimed in claim 4 is it is characterised in that in the transmission control unit (TCU) of common frequency optical fiber repeater
Programmable upconverter and programable downConverter local vibration source adopt satellite time service system provide clock source as reference
Oscillation source.
7. common frequency optical fiber repeater as claimed in claim 4 is it is characterised in that in the transmission control unit (TCU) of common frequency optical fiber repeater
Programmable upconverter and programable downConverter local vibration source adopt constant-temperature crystal oscillator as reference oscillation source.
8. common frequency optical fiber repeater as claimed in claim 4 is it is characterised in that in the transmission control unit (TCU) of common frequency optical fiber repeater
Programmable upconverter and programable downConverter adopt programmable phase-locked loop circuitry, wave filter, voltage controlled oscillator and mixing
Device forms.
9. common frequency optical fiber repeater as claimed in claim 4 multiple has it is characterised in that having in common frequency optical fiber repeater
The wireless receiver of different operating frequency and standard, multiple transmitting set with different operating frequency and standard, Duo Geguang
Transmission receiver, multiple optical transport transmitter, multiple transmission control unit (TCU).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271606.3A CN109347563A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method |
| CN201811271602.5A CN109510666A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method with reference oscillation source |
| CN201610803115.3A CN106357339B (en) | 2016-09-06 | 2016-09-06 | The working method of common frequency optical fiber repeater |
| CN201811271603.XA CN109495177A (en) | 2016-09-06 | 2016-09-06 | Common frequency optical fiber repeater working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803115.3A CN106357339B (en) | 2016-09-06 | 2016-09-06 | The working method of common frequency optical fiber repeater |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271603.XA Division CN109495177A (en) | 2016-09-06 | 2016-09-06 | Common frequency optical fiber repeater working method |
| CN201811271602.5A Division CN109510666A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method with reference oscillation source |
| CN201811271606.3A Division CN109347563A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106357339A true CN106357339A (en) | 2017-01-25 |
| CN106357339B CN106357339B (en) | 2018-10-16 |
Family
ID=57859487
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610803115.3A Active CN106357339B (en) | 2016-09-06 | 2016-09-06 | The working method of common frequency optical fiber repeater |
| CN201811271602.5A Pending CN109510666A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method with reference oscillation source |
| CN201811271606.3A Withdrawn CN109347563A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method |
| CN201811271603.XA Pending CN109495177A (en) | 2016-09-06 | 2016-09-06 | Common frequency optical fiber repeater working method |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811271602.5A Pending CN109510666A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method with reference oscillation source |
| CN201811271606.3A Withdrawn CN109347563A (en) | 2016-09-06 | 2016-09-06 | A kind of common frequency optical fiber repeater working method |
| CN201811271603.XA Pending CN109495177A (en) | 2016-09-06 | 2016-09-06 | Common frequency optical fiber repeater working method |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN106357339B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6552832B1 (en) * | 1996-10-07 | 2003-04-22 | Telesector Resources Group, Inc. | Telecommunications system including transmultiplexer installed between digital switch and optical signal transmission fiber |
| CN2643580Y (en) * | 2003-09-19 | 2004-09-22 | 福建电信科学技术研究院有限公司 | Optical fibre direct-broadcasting station for 3G mobile communication |
| CN101667867A (en) * | 2009-08-17 | 2010-03-10 | 耿直 | High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141775B (en) * | 2007-04-30 | 2010-06-16 | 中兴通讯股份有限公司 | Pilot pollution optimization method based on road test data |
| CN101594708B (en) * | 2009-07-01 | 2010-10-27 | 耿直 | Working method for comparative optical repeater station and comparative optical repeater station |
| CN201523382U (en) * | 2009-07-01 | 2010-07-07 | 耿直 | Comparison transmitting-type optical fiber repeater |
| CN201750418U (en) * | 2009-08-17 | 2011-02-16 | 耿直 | High-stability common-frequency fiber optic repeater |
| CN102572856B (en) * | 2010-12-22 | 2014-07-16 | 普天信息技术研究院有限公司 | Method and device for determining cell adjacent relation |
| CN103888903A (en) * | 2014-03-25 | 2014-06-25 | 深圳市宏电技术股份有限公司 | Location method and device |
-
2016
- 2016-09-06 CN CN201610803115.3A patent/CN106357339B/en active Active
- 2016-09-06 CN CN201811271602.5A patent/CN109510666A/en active Pending
- 2016-09-06 CN CN201811271606.3A patent/CN109347563A/en not_active Withdrawn
- 2016-09-06 CN CN201811271603.XA patent/CN109495177A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6552832B1 (en) * | 1996-10-07 | 2003-04-22 | Telesector Resources Group, Inc. | Telecommunications system including transmultiplexer installed between digital switch and optical signal transmission fiber |
| CN2643580Y (en) * | 2003-09-19 | 2004-09-22 | 福建电信科学技术研究院有限公司 | Optical fibre direct-broadcasting station for 3G mobile communication |
| CN101667867A (en) * | 2009-08-17 | 2010-03-10 | 耿直 | High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106357339B (en) | 2018-10-16 |
| CN109495177A (en) | 2019-03-19 |
| CN109510666A (en) | 2019-03-22 |
| CN109347563A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106465386B (en) | System and method for the wireless communication established between radio-circuit and multiple base stations | |
| CN101877917B (en) | Remote radio unit | |
| CN102098688A (en) | Method, system and device for realizing MIMO (multiple input multiple output) of indoor distribution system | |
| CN102377027A (en) | Active antenna and method for calibrating active antenna | |
| CN101247162A (en) | TD-SCDMA indoor distribution system simulating intermediate frequency | |
| CN110868736B (en) | Base station test method, device, system and storage medium | |
| CN102918923A (en) | Method and device for sending/receiving electromagnetic signals received/sent on one or more first frequency bands | |
| CN201044493Y (en) | TD-SCDMA indoor distribution system | |
| CN106357339A (en) | Working method of same-frequency fiber optic repeater and same-frequency fiber optic repeater | |
| CN201750418U (en) | High-stability common-frequency fiber optic repeater | |
| CN104168055A (en) | Automatic satellite search and network access control device and method for closed-loop IP-star satellite mobile station | |
| CN101594708B (en) | Working method for comparative optical repeater station and comparative optical repeater station | |
| CN201260163Y (en) | Radio frequency extension apparatus and base station system | |
| CN106330287B (en) | The storage forwarding working method and store-and-forward fiber optic repeater of optical fiber repeater | |
| CA2356415A1 (en) | Radio system, antenna arrangement and polarization modulator for generating a transmit signal with changing polarization | |
| CN203632668U (en) | MIMO communication system | |
| CN101667867B (en) | High-stability common-frequency optical fiber amplifying work method and high-stability common-frequency optical fiber amplifying station | |
| CN201174773Y (en) | Central monitored split type apparatus | |
| CN212012644U (en) | Signal shielding system | |
| CN201222735Y (en) | Digital radio frequency zooming system with shifting working passband | |
| CN106411410B (en) | Judge the working method of access type optical fiber repeater | |
| CN104219007B (en) | Wireless channel module integrating frequency synthetic, frequency-modulating medium frequency amplifying, power amplifying and low pass | |
| CN101562909B (en) | Integrated transmission repeater and working method thereof | |
| Shcherbinin et al. | Microwave optics technologies in satellite repeaters | |
| CN201523382U (en) | Comparison transmitting-type optical fiber repeater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180906 Address after: 325600 Wei twelve Road, Yantian Industrial Zone, Yueqing, Zhejiang Applicant after: Qian Xiuying Address before: 610031 No. 25, 1-2 building, 1 West Street, Qingyang District, Chengdu, Sichuan, 285 Applicant before: CHENGDU AOKETE SCIENCE & TECHNOLOGY CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 241000 No.18 Shenxiang Town, Jiujiang District, Wuhu City, Anhui Province Patentee after: Qian Xiuying Address before: 325600 Wei twelve Road, Yantian Industrial Zone, Yueqing, Zhejiang Patentee before: Qian Xiuying |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211214 Address after: Room 2011, building 1, No.35, Shishan Road, high tech Zone, Suzhou, Jiangsu 215000 Patentee after: SUZHOU XIQUAN SOFTWARE TECHNOLOGY Co.,Ltd. Address before: 241000 No.18 Shenxiang Town, Jiujiang District, Wuhu City, Anhui Province Patentee before: Qian Xiuying |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221223 Address after: No. 578, Gongye 3rd Road, Boxing Economic Development Zone, Boxing County, Binzhou City, Shandong Province, 256599 Patentee after: Boxing Xingbo Investment Co.,Ltd. Address before: Room 2011, building 1, No.35, Shishan Road, high tech Zone, Suzhou, Jiangsu 215000 Patentee before: SUZHOU XIQUAN SOFTWARE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230726 Address after: 030000 Room 2501, Block C, Qingkong Innovation Base, No. 529, South Zhonghuan Street, Taiyuan Xuefu Park, Shanxi Comprehensive Reform Demonstration Zone, Taiyuan, Shanxi Province Patentee after: Bohao Technology Co.,Ltd. Address before: No. 578, Gongye 3rd Road, Boxing Economic Development Zone, Boxing County, Binzhou City, Shandong Province, 256599 Patentee before: Boxing Xingbo Investment Co.,Ltd. |
|
| TR01 | Transfer of patent right |