CN107425901B - A kind of mobile communication passive signal covering system and method - Google Patents
A kind of mobile communication passive signal covering system and method Download PDFInfo
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- CN107425901B CN107425901B CN201710265037.0A CN201710265037A CN107425901B CN 107425901 B CN107425901 B CN 107425901B CN 201710265037 A CN201710265037 A CN 201710265037A CN 107425901 B CN107425901 B CN 107425901B
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims description 103
- 230000009977 dual effect Effects 0.000 claims description 16
- 230000010287 polarization Effects 0.000 claims description 16
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- 229910002056 binary alloy Inorganic materials 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
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- 238000006467 substitution reaction Methods 0.000 claims description 4
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- 230000005855 radiation Effects 0.000 claims description 3
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- 238000012423 maintenance Methods 0.000 description 4
- 208000025274 Lightning injury Diseases 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/145—Passive relay systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of mobile communication passive signals to cover system and method, and system includes signal reception/transmitting terminal and signal transmitting/receiving end, passes through transmission main feeder connection between the signal reception/transmitting terminal and signal transmitting/receiving end；Signal reception/the transmitting terminal includes: signal reception/transmitting terminal array antenna, signal reception/transmitting terminal array antenna bracket, signal reception/transmitting terminal transmission feeder line and signal reception/transmitting terminal power combing/distributor；Signal transmitting/the receiving end includes: signal transmitting/receiving end power divider/synthesizer, signal transmitting/receiving end transmission feeder line, signal transmitting/receiving end array antenna bracket and signal transmitting/receiving end array antenna.The present invention can effectively solve the disadvantage that existing repeater needs power consumption, and base station signal and mobile phone signal is made to obtain Bi-directional amplifier, realize the purpose of signal covering.
Description
Technical field
The present invention relates to the research field of mobile communication, in particular to a kind of mobile communication passive signal covering system and side
Method.
Background technique
The signal of mobile communication is issued by base station, after user mobile phone received signal intensity reaches certain value, ability
Carry out stable call；When there is the signal strength in some places, generally signal is amplified using amplifier, this amplification
Device is known as repeater.The working principle of repeater is that signal (donor antenna in figure) is obtained from information source, is then put by active
After big device amplifies signal, specific region is emitted to by antenna (retransmitting antenna in figure) and is covered.As shown in Figure 1
For repeater working principle block diagram.But there is following disadvantages for the technical solution: need power consumption, repeater have 2W,
10W, 20W, 30W etc. different power consumptions needs power for 24 hours one day；For being mounted on outdoor repeater vulnerable to lightning stroke
It threatens, repeater internal circuit is caused to damage；It needs periodically to be safeguarded and tested, maintenance cost is high.
Summary of the invention
The shortcomings that it is a primary object of the present invention to overcome the prior art and deficiency, provide a kind of mobile communication passive signal
Cover system and method, solve existing repeater need power consumption, outdoor repeater vulnerable to the threat of lightning stroke, maintenance at
This high disadvantage, and base station signal and mobile phone signal is made to obtain bi-directional gain amplification, realize the purpose of signal oriented cover.
In order to achieve the above object, the invention adopts the following technical scheme:
The invention discloses a kind of mobile communication passive signals to cover system, including signal reception/transmitting terminal and signal hair
Penetrate/receiving end, the signal reception/transmitting terminal be used for by directional reception to faint base station signal carry out enough gains and put
Greatly, the signal strength of output is made to can satisfy the requirement of user mobile phone antenna input signal, while also by the hand in overlay area
Directional transmissions are transmitted/received to base station, the signal transmitting/receiving end for that will connect after the input signal of machine antenna carries out gain amplification
The direction that the base station signal that end is sent is forwarded to overlay area is penetrated, makes the base station signal launched that there is certain gain and directional diagram
After the input signal for meeting overlay area requirement, while also receiving the antenna for mobile phone in overlay area carries out certain gain amplification
It is transmitted to reception/transmitting terminal；Pass through transmission main feeder connection between the signal reception/transmitting terminal and signal transmitting/receiving end；
Signal reception/the transmitting terminal includes: signal reception/transmitting terminal array antenna, signal reception/transmitting terminal array day
Line bracket, signal reception/transmitting terminal transmission feeder line and signal reception/transmitting terminal power combing/distributor, the signal connect
Transmitting/receiving to penetrate holds array antenna to be connected on signal reception/transmitting terminal array antenna bracket by pole, and the signal, which connects, to be transmitted/received
End array antenna is penetrated to connect by signal reception/transmitting terminal transmission feeder line with signal reception/transmitting terminal power combing/distributor；
Signal transmitting/the receiving end includes: signal transmitting/receiving end power divider/synthesizer, signal transmitting/reception
End transmission feeder line, signal transmitting/receiving end array antenna bracket and signal transmitting/receiving end array antenna；The signal hair
Penetrate/receiving end array antenna by pole is connected to signal transmitting/receiving end array antenna bracket, the signal transmitting/reception
End array antenna also passes through signal transmitting/receiving end transmission feeder line and is connected to signal transmitting/receiving end power divider/synthesizer.
Signal reception/transmitting terminal the array antenna as a preferred technical solution: by more than one communication antenna battle array
Column unit composition, the communication antenna array element are the multiple antenna battle array with phase shifter, communication antenna array element
Spacing between the column and the column is λ/2, and the capable spacing between row is λ/2, the gain of the signal reception/transmitting terminal array antenna
It is directly proportional to the quantity of communication antenna array element；Signal transmitting/receiving end the array antenna and signal reception/transmitting terminal battle array
Array antenna is identical, and the gain of signal transmitting/receiving end array antenna is directly proportional to the quantity of communication antenna array element.
The communication antenna array element in the signal reception/transmitting terminal array antenna is by m as a preferred technical solution,
Row n column are constituted, and ± 45 ° of dual polarization vibrator numbers in communication antenna array element are k, in communication antenna array element ±
The maximum gain of 45 ° of dual polarization vibrators is GUnit, the subsequent metallic reflection plate of communication antenna array element and ± 45 ° of dual polarizations are shaken
Spacing between son is hd=λ/4；The line space of array antenna is dy=λ/2, the column pitch of array antenna are dx=λ/2, array
Height of the center of antenna away from ground is hg, and each ± 45 ° of dual polarization vibrators are equal amplitude feed, then are managed according to array antenna
By can obtain:
Signal reception/transmitting terminal array antenna horizontal plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna horizontal plane main lobe width and communication antenna array list in array antenna
The columns n of member is inversely proportional；
Signal reception/transmitting terminal array antenna vertical plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna vertical plane main lobe width and communication antenna array list in array antenna
The columns mk of member is inversely proportional；
The gain of signal reception/transmitting terminal array antenna are as follows:
Wherein, A is array antenna front area, A=ndy·mkdx=nmk λ2/ 4, (3) formula of substitution obtains:
Then: GArray(dB)≈4+GUnit(dB)+10logmkn。 (5)
Signal reception/transmitting terminal array antenna bracket as a preferred technical solution: for communicating existing high-gain
Existing communication antenna array element is combined into battle array of different sizes according to the difference of antenna gain by linear Array column unit
Array antenna；Wherein, the pole on array antenna bracket can move left and right, for adjusting communication antenna array element column and column
Between spacing be λ/2, the communication antenna array element being mounted on pole can move up and down, for adjusting communication antenna array
Spacing between cell row and row is λ/2, and the pitch angle of array antenna is by manually adjusting each communication antenna array element
Phase shifter adjustment, azimuth is adjusted by unitary rotation array antenna bracket, to be directed at the radiation direction of antenna for base station.
The signal reception/transmitting terminal transmits feeder line as a preferred technical solution: carrying out equal length feedback using coaxial line
Electricity, the coaxial line that each communication line antenna array unit in array antenna is connected to power combiner are equal in length, to protect
Same phase constant amplitude feed is held, realizes broadband operation.
Signal reception/transmitting terminal power combing/distributor as a preferred technical solution: when receiving base station signal to hand
When machine antenna, be power combiner, with binary system synthetic method from output port continuously synthesize come from synthesizer input port it is more
The output power of grade communication antenna array element；When transmitting mobile phone signal is to antenna for base station, it is power divider, master will be passed through
The mobile phone signal power that feeder line is sent is evenly distributed to signal reception/transmitting terminal with the distribution method of binary system one-to-two
On each communication antenna array element.
Signal transmitting/receiving end the power divider/synthesizer as a preferred technical solution: when transmitting base station signal
When to user mobile phone antenna, it is power divider, the base station signal power sent by main feeder is divided with binary system one
Two distribution method is evenly distributed to each communication antenna array element in signal transmitting/receiving end；Believe when receiving user mobile phone
Number when, be power combiner, with binary system synthetic method from output port continuously synthesize from synthesizer input port multistage lead to
Believe the output power of antenna array unit.
/ receiving end array antenna bracket is penetrated in the signal sending and receiving as a preferred technical solution: array antenna bracket is used for will
Existing communication antenna array element is combined into greatly by existing communication line antenna array unit according to the difference of antenna gain
Small different array antenna, wherein the pole on array antenna bracket can move left and right, for adjusting communication antenna array list
The spacing of member between the column and the column is λ/2, and the communication antenna array element being mounted on pole can move up and down, logical for adjusting
Believe that the spacing between antenna array unit row and row is λ/2, the pitch angle of array antenna is by manually adjusting each communication antenna
The phase shifter of array element adjusts, and azimuth is adjusted by unitary rotation array antenna bracket, needs to cover mobile phone with alignment and uses
The region at family.
The present invention also provides a kind of methods of mobile communication passive signal covering system, include the following steps:
Signal reception/transmitting terminal the array antenna is made of more than one communication antenna array element, when signal connects
Transmit/receive penetrate end array antenna received to base station signal after, by transmit feeder line be sent to signal reception/transmitting terminal power combing/point
Orchestration, carry out signal synthesis simultaneously signal transmitting/receiving end power divider/synthesizer is transmitted to by transmission main feeder, to signal into
After row distribution, signal transmitting/receiving end array antenna is sent to by transmission feeder line and launches the amplified base station signal of gain；
Signal transmitting/receiving end array antenna is made of more than one communication antenna array element, when signal transmitting/receiving end array
After antenna receives mobile phone signal, it is sent to signal transmitting/receiving end power combing/distributor by transmitting feeder line, carries out signal
It synthesizes and signal reception/transmitting terminal power divider/synthesizer is transmitted to by main feeder, after being allocated to signal, presented by transmission
Line is sent to signal reception/transmitting terminal array antenna and launches amplified mobile phone signal.
The method for transmitting signals of the transmission main feeder as a preferred technical solution, are as follows: be transferred through signal and connect and transmit/receive
Gain is amplified after end power combing/distributor base station signal is penetrated to signal transmitting/receiving end power divider/synthesizer；Transmission
The mobile phone signal that gain is amplified after signal transmitting/receiving end power divider/synthesizer is closed to signal reception/transmitting terminal power
At/distributor.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, zero-power, the present invention can effectively solve the shortcomings that existing repeater needs power consumption, and make base station signal and
Mobile phone signal obtains bi-directional gain amplification, realizes the purpose of signal oriented cover.
2, anti-lightning, the present invention realize that base station signal and mobile phone are believed using passive multi-panel high-gain communication antenna battle array
Number bi-directional gain amplification, all devices are passive device, and inside does not need power supply power supply, without amplifying circuit and monitoring yet
And control circuit, it is strong to the anti-shot ability of direct lightning strike and inductive lightning, it is not in current outdoor repeater standing-meeting since lightning stroke generates
The phenomenon that circuit damages.
3, inexpensive, the present invention is mounted on day battle array bracket using by the existing antenna array unit with phase shifter
Upper realization, low manufacture cost；Adjustment is simple, it is only necessary to during installation to the physical size of each antenna array unit of aerial array
It is adjusted；Daily needs to carry out antenna cleaning and feeder line inspection, does not need to carry out special test and maintenance, safeguards
It is at low cost.
Detailed description of the invention
Fig. 1 is repeater working principle diagram in the prior art；
Fig. 2 is the frame principle figure of passive signal covering system of the invention；
Fig. 3 is passive signal covering system element composition schematic diagram of the invention；
Fig. 4 (a) is binary power synthesis schematic diagram of the present invention, and Fig. 4 (b) is binary system one-to-two power distribution of the present invention
Schematic diagram；
Fig. 5 is the structural schematic diagram that embodiment binary signal transmit/receive antenna is single communication antenna array element；
Fig. 6 is three signal reception of embodiment/transmitting terminal and signal transmitting/receiving end is single communication antenna array element
Schematic diagram.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
As shown in Fig. 2, mobile communication passive signal of the present invention covers system, including signal reception/transmitting terminal and signal hair
Penetrate/receiving end；Pass through transmission main feeder connection between the signal reception/transmitting terminal and signal transmitting/receiving end；
Signal reception/the transmitting terminal includes: signal reception/transmitting terminal array antenna, signal reception/transmitting terminal array day
Line bracket, signal reception/transmitting terminal transmission feeder line and signal reception/transmitting terminal power combing/distributor, the signal connect
Transmitting/receiving to penetrate holds array antenna to be connected on signal reception/transmitting terminal array antenna bracket by pole, and the signal, which connects, to be transmitted/received
End array antenna is penetrated to connect by signal reception/transmitting terminal transmission feeder line with signal reception/transmitting terminal power combing/distributor；
Signal transmitting/the receiving end includes: signal transmitting/receiving end power divider/synthesizer, signal transmitting/reception
End transmission feeder line, signal transmitting/receiving end array antenna bracket and signal transmitting/receiving end array antenna；The signal hair
Penetrate/receiving end array antenna by pole is connected to signal transmitting/receiving end array antenna bracket, the signal transmitting/reception
End array antenna also passes through signal transmitting/receiving end transmission feeder line and is connected to signal transmitting/receiving end power divider/synthesizer.
System signal reception/transmitting terminal array antenna is formed using multi-panel high-gain communication antenna array element, these are high
The communication antenna array element of gain is attached by power combing/distributor, and the signal for becoming a high-gain, which connects, to be transmitted/received
Antenna is penetrated, faint base station signal is subjected to enough amplifications, so that the signal strength of output is can satisfy user mobile phone antenna defeated
Enter the requirement of signal.
System signal transmitting/receiving end array antenna also uses multi-panel high-gain communication antenna array element to form, these
The communication antenna array element of high-gain is attached by power divider/synthesizer, forms the signal transmitting day of certain gain
Line, can also optionally use single communication antenna array element, and the directional diagram of antenna meets the requirement of overlay area.
The operation principle of the present invention is that:
Signal reception/transmitting terminal array antenna is made of more than one communication antenna array element, is transmitted/received when signal connects
After penetrating end array antenna received to base station signal, it is sent to signal reception/transmitting terminal power combing/distributor by transmitting feeder line,
It carries out signal synthesis and signal transmitting/receiving end power divider/synthesizer is transmitted to by main feeder, after being allocated to signal,
Signal transmitting/receiving end array antenna is sent to by transmission feeder line to launch amplified base station signal；Signal transmitting/reception
End array antenna is made of more than one communication antenna array element, when signal transmitting/receiving end array antenna received is in one's hands
After machine signal, it is sent to signal transmitting/receiving end power combing/distributor by transmitting feeder line, carries out signal synthesis and by main feed
Line is transmitted to signal reception/transmitting terminal power divider/synthesizer, after being allocated to signal, is sent to signal by transmission feeder line and connects
Transmitting/receiving to penetrate holds array antenna to launch amplified mobile phone signal.
If: the communication antenna array element in signal reception/transmitting terminal array antenna is made of m row n column, communication antenna battle array
± 45 ° of dual polarization vibrator numbers in column unit are k, and ± 45 ° of dual polarization vibrators in communication antenna array element most increase
Benefit is GUnit, the spacing between the subsequent metallic reflection plate of communication antenna array element and ± 45 ° of dual polarization vibrators is hd=λ/4；
The line space of array antenna is dy=λ/2, the column pitch of array antenna are dx=λ/2, height of the array antenna center far from ground are
hg, and each ± 45 ° of dual polarization vibrators are that equal amplitude feed can obtain then according to the theory of array antenna:
Signal reception/transmitting terminal array antenna horizontal plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna horizontal plane main lobe width and communication antenna array list in array antenna
The columns n of member is inversely proportional.
Signal reception/transmitting terminal array antenna vertical plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna vertical plane main lobe width and communication antenna array list in array antenna
The columns mk of member is inversely proportional.
The gain of signal reception/transmitting terminal array antenna are as follows:
Wherein, A is array antenna front area, A=ndy·mkdx=nmk λ2/ 4, (3) formula of substitution obtains:
Then: GArray(dB)≈4+GUnit(dB)+10logmkn (5)
If: the loss of transmission feeder line and main feeder is GLine loss(dB)；Signal reception/transmitting terminal power combing/distributor decaying
Amount is GClose damage(dB)；Signal transmitting/receiving end power divider/synthesizer attenuation is GDivide damage(dB)；Signal transmitting/receiving end array
Communication antenna array element in antenna is made of m' row n' column, ± 45 in communication antenna array element ° dual polarization vibrator number
For k', the maximum gain of ± 45 ° of dual polarization vibrators in communication antenna array element is GUnit, after communication antenna array element
Spacing between the metallic reflection plate in face and ± 45 ° of dual polarization vibrators is hd=λ/4；The line space of array antenna is dy=λ/2,
The column pitch of array antenna is dx=λ/2, height of the array antenna center far from ground are hg, and each ± 45 ° of dual polarization vibrators are etc.
Width, then according to the theory of array antenna, is emitted to overlay area array antenna after can obtaining system amplification base station signal with mutually feeding
Total gain are as follows:
(1) it signal reception/transmitting terminal array antenna: is made of more than one communication antenna array element.Communication antenna
Array element is the multiple antenna battle array (4 element antenna battle arrays, unit 8 antenna array etc.) with phase shifter, communication antenna array list
Member spacing between the column and the column is λ/2, and the capable spacing between row is λ/2, the gain of signal reception/transmitting terminal array antenna with
The quantity of communication antenna array element is directly proportional.
(2) signal reception/transmitting terminal array antenna bracket: array antenna bracket is used for existing high-gain communication line day
Linear array column unit (4 element antenna battle arrays, unit 8 antenna array etc.) is according to the different by existing communication antenna array list of antenna gain
Member is combined into array antenna of different sizes.Wherein, the pole on array antenna bracket can move left and right, logical for adjusting
Believe that antenna array unit spacing between the column and the column is λ/2, the communication antenna array element being mounted on pole can on move down
Dynamic, the spacing for adjusting between communication antenna array element row and row is λ/2, and the pitch angle of array antenna is by manually adjusting
The phase shifter of each communication antenna array element adjusts, and azimuth is adjusted by unitary rotation array antenna bracket, to be directed at base
The radiation direction of station antenna.
(3) signal reception/transmitting terminal transmits feeder line: carrying out equal length feed using coaxial line.Each of array antenna
The coaxial line that communication line antenna array unit is connected to power combiner is equal in length, and to keep feeding with phase constant amplitude, is realized
Broadband operation.
(4) it signal reception/transmitting terminal power combing/distributor: when receiving base station signal to antenna for mobile phone, is closed for power
It grows up to be a useful person, is continuously synthesized from output port from synthesizer input port multistage communication antenna array unit with binary system synthetic method
Output power；It is power divider, the mobile phone that will be sent by main feeder when transmitting mobile phone signal is to antenna for base station
Signal power is evenly distributed to each communication antenna array list of signal reception/transmitting terminal with the distribution method of binary system one-to-two
In member.Shown in power combing/distributor course of work schematic diagram such as Fig. 4 (a), Fig. 4 (b).
(5) it transmits main feeder: being transferred through the base station signal amplified after signal reception/transmitting terminal power combing/distributor
To signal transmitting/receiving end power divider/synthesizer；Amplify after being transferred through signal transmitting/receiving end power divider/synthesizer
Mobile phone signal to signal reception/transmitting terminal power combing/distributor.
(6) signal transmitting/receiving end transmits feeder line: identical as signal reception/transmitting terminal transmission feeder line.
(7) signal transmitting/receiving end power divider/synthesizer: being function when transmitting base station signal is to user mobile phone antenna
The base station signal power sent by main feeder is evenly distributed to by rate distributor with the distribution method of binary system one-to-two
The each communication antenna array element in signal transmitting/receiving end；It is power combiner, with two when receiving user mobile phone signal
System synthetic method continuously synthesizes the output work from synthesizer input port multistage communication antenna array unit from output port
Rate.
(8)/receiving end array antenna bracket is penetrated in signal sending and receiving: array antenna bracket is used for existing communication dipole array antenna
Unit (4 element antenna battle arrays, unit 8 antenna array etc.) combines existing communication antenna array element according to the different of antenna gain
As array antenna of different sizes.Wherein, the pole on array antenna bracket can move left and right, for adjusting communication antenna
The spacing of array element between the column and the column is λ/2, and the communication antenna array element being mounted on pole can move up and down, be used for
Adjusting the spacing between communication antenna array element row and row is λ/2, and the pitch angle of array antenna is each logical by manually adjusting
Believe the phase shifter adjustment of antenna array unit, azimuth is adjusted by unitary rotation array antenna bracket, needs to cover with alignment
The region of mobile phone user.
(9) signal transmitting/receiving end array antenna: identical as signal reception/transmitting terminal array antenna, signal emits/connects
The gain of receiving end array antenna is directly proportional to the quantity of communication antenna array element.
Embodiment 1 is typical system service condition, and embodiment 2 is that signal transmit/receive antenna is single communication antenna
The case where array element is not both to reduce signal transmitting/receiving end power divider/synthesizer and transmission feedback with embodiment 1
Line；The case where embodiment 3 is signal reception/transmitting terminal and signal transmitting/receiving end is single communication antenna array element, with
Two communication antenna array elements unlike embodiment 1 only need a main feeder connection.
Embodiment 2
For the embodiment of the present invention 2 other than following technical characteristics, other technical characteristics are same as Example 1: such as Fig. 5 institute
Show, in the present embodiment, signal transmit/receive antenna be single communication antenna array element the case where, be not both with embodiment 1,
Reduce signal transmitting/receiving end power divider/synthesizer and transmission feeder line.
Embodiment 3
For the embodiment of the present invention 3 other than following technical characteristics, other technical characteristics are same as Example 1: such as Fig. 6 institute
Show, in the present embodiment, the case where signal reception/transmitting terminal and signal transmitting/receiving end are single communication antenna array element,
Two communication antenna array elements only need a main feeder connection unlike the first embodiment.
In conclusion a kind of mobile communication passive signal of the present invention covers system and method, the system is with passive communication
Based on antenna array unit, it is based on the theory of array antenna, realizes and the bi-directional gain of base station signal and mobile phone signal is amplified, nothing
It needs to power, anti-lightning effect is good, and can reduce daily maintenance expense.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of mobile communication passive signal covers system, which is characterized in that including signal reception/transmitting terminal and signal transmitting/
Receiving end, the faint base station signal that the signal reception/transmitting terminal is used to arrive directional reception carry out enough gain amplifications, make
The signal strength of output can satisfy the requirement of user mobile phone antenna input signal, while also by the antenna for mobile phone in overlay area
Input signal carry out gain amplification after directional transmissions arrive base station, the signal transmitting/receiving end be used for reception/transmitting terminal is given
The base station signal come is forwarded to the direction of overlay area, makes the base station signal launched with certain gain and directional diagram satisfaction is covered
Cover area requirement, while the input signal for also receiving the antenna for mobile phone in overlay area be transmitted to after certain gain is amplified
Reception/transmitting terminal；Pass through transmission main feeder connection between the signal reception/transmitting terminal and signal transmitting/receiving end；
Signal reception/the transmitting terminal includes: signal reception/transmitting terminal array antenna, signal reception/transmitting terminal array antenna branch
Frame, signal reception/transmitting terminal transmission feeder line and signal reception/transmitting terminal power combing/distributor, the signal, which connects, to be transmitted/received
It penetrates end array antenna to be connected on signal reception/transmitting terminal array antenna bracket by pole, the signal reception/transmitting terminal battle array
Array antenna transmits feeder line by signal reception/transmitting terminal and connect with signal reception/transmitting terminal power combing/distributor；
Signal reception/transmitting terminal the array antenna: it is made of more than one communication antenna array element, the communication antenna
Array element is the multiple antenna battle array with phase shifter, and the spacing between the column and the column of communication antenna array element is λ/2, row
Spacing between row is λ/2, the gain of the signal reception/transmitting terminal array antenna and the quantity of communication antenna array element
It is directly proportional；Signal transmitting/receiving end the array antenna is identical as signal reception/transmitting terminal array antenna, signal transmitting/reception
Hold the gain of array antenna directly proportional to the quantity of communication antenna array element；
Communication antenna array element in the signal reception/transmitting terminal array antenna is made of m row n column, communication antenna array
± 45 ° of dual polarization vibrator numbers in unit are k, the maximum gain of ± 45 ° of dual polarization vibrators in communication antenna array element
For GUnit, the spacing between the subsequent metallic reflection plate of communication antenna array element and ± 45 ° of dual polarization vibrators is hd=λ/4；Battle array
The line space of array antenna is dy=λ/2, the column pitch of array antenna are dx=λ/2, height of the array antenna center far from ground are
hg, and each ± 45 ° of dual polarization vibrators are that equal amplitude feed can obtain then according to the theory of array antenna:
Signal reception/transmitting terminal array antenna horizontal plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna horizontal plane main lobe width and communication antenna array element in array antenna
Columns n is inversely proportional；
Signal reception/transmitting terminal array antenna vertical plane half-power main lobe width are as follows:
That is signal reception/transmitting terminal array antenna vertical plane main lobe width and communication antenna array element in array antenna
Columns mk is inversely proportional；
The gain of signal reception/transmitting terminal array antenna are as follows:
Wherein, A is array antenna front area, A=ndy·mkdx=nmk λ2/ 4, (3) formula of substitution obtains:
Then: GArray(dB)≈4+GUnit(dB)+10log mkn； (5)
Signal transmitting/the receiving end includes: signal transmitting/receiving end power divider/synthesizer, signal transmitting/receiving end biography
Send feeder line, signal transmitting/receiving end array antenna bracket and signal transmitting/receiving end array antenna；The signal transmitting/
Receiving end array antenna is connected to signal transmitting/receiving end array antenna bracket, the signal transmitting/receiving end battle array by pole
Array antenna also passes through signal transmitting/receiving end transmission feeder line and is connected to signal transmitting/receiving end power divider/synthesizer.
2. mobile communication passive signal according to claim 1 covers system, which is characterized in that signal reception/transmitting terminal
Array antenna bracket: for existing high-gain communication line antenna array unit existing will to be led to according to the difference of antenna gain
Letter antenna array unit is combined into array antenna of different sizes；Wherein, the pole on array antenna bracket can control shifting
It is dynamic, it is λ/2, the communication antenna array list being mounted on pole for adjusting the spacing of communication antenna array element between the column and the column
Member can move up and down, and the spacing for adjusting between communication antenna array element row and row is λ/2, the pitch angle of array antenna
Phase shifter by manually adjusting each communication antenna array element adjusts, and azimuth passes through unitary rotation array antenna bracket tune
It is whole, to be directed at the radiation direction of antenna for base station.
3. mobile communication passive signal according to claim 1 covers system, which is characterized in that the signal, which connects, to be transmitted/received
It penetrates end transmission feeder line: carrying out equal length feed using coaxial line, each communication line antenna array unit connection in array antenna
Coaxial line to power combiner is equal in length, and to keep feeding with phase constant amplitude, realizes broadband operation.
4. mobile communication passive signal according to claim 1 covers system, which is characterized in that signal reception/transmitting terminal
Power combing/distributor: being power combiner, with binary system synthetic method from defeated when receiving base station signal to antenna for mobile phone
Exit port continuously synthesizes the output power from synthesizer input port multistage communication antenna array unit；When transmitting mobile phone signal
It is power divider, by the mobile phone signal power sent by main feeder with binary system one-to-two when to antenna for base station
Distribution method is evenly distributed on each communication antenna array element of signal reception/transmitting terminal.
5. mobile communication passive signal according to claim 1 covers system, which is characterized in that the signal emits/connects
Receiving end power divider/synthesizer: when transmitting base station signal is to user mobile phone antenna, it is power divider, main feeder will be passed through
The base station signal power sent is evenly distributed to each of signal transmitting/receiving end with the distribution method of binary system one-to-two
Communication antenna array element；It is power combiner, with binary system synthetic method from output port when receiving user mobile phone signal
Continuous output power of the synthesis from synthesizer input port multistage communication antenna array unit.
6. mobile communication passive signal according to claim 1 covers system, which is characterized in that the signal emits/connects
Receiving end array antenna bracket: array antenna bracket is used for existing communication line antenna array unit according to the difference of antenna gain
Existing communication antenna array element is combined into array antenna of different sizes, wherein the pole on array antenna bracket
It can move left and right, be λ/2, the communication being mounted on pole for adjusting the spacing of communication antenna array element between the column and the column
Antenna array unit can move up and down, and the spacing for adjusting between communication antenna array element row and row is λ/2, array day
The pitch angle of line is adjusted by manually adjusting the phase shifter of each communication antenna array element, and azimuth passes through unitary rotation array
Antenna holder adjustment, to be directed at the region for needing to cover mobile phone user.
7. the method for mobile communication passive signal covering system according to claim 1 to 6, which is characterized in that
Include the following steps:
Signal reception/transmitting terminal the array antenna is made of more than one communication antenna array element, is transmitted/received when signal connects
After penetrating end array antenna received to base station signal, it is sent to signal reception/transmitting terminal power combing/distributor by transmitting feeder line,
It carries out signal synthesis and signal transmitting/receiving end power divider/synthesizer is transmitted to by transmission main feeder, signal is allocated
Afterwards, signal transmitting/receiving end array antenna is sent to by transmission feeder line to launch the amplified base station signal of gain；Signal hair
Penetrate/receiving end array antenna is made of more than one communication antenna array element, when signal transmitting/receiving end array antenna connects
After receiving mobile phone signal, it is sent to signal transmitting/receiving end power combing/distributor by transmitting feeder line, carries out signal synthesis simultaneously
Signal reception/transmitting terminal power divider/synthesizer is transmitted to by main feeder, after being allocated to signal, is sent to by transmission feeder line
Signal reception/transmitting terminal array antenna launches amplified mobile phone signal.
8. the method for mobile communication passive signal covering system according to claim 7, which is characterized in that the transmission master
The method for transmitting signals of feeder line are as follows: be transferred through the base station letter of gain amplification after signal reception/transmitting terminal power combing/distributor
Number arrive signal transmitting/receiving end power divider/synthesizer；Increase after being transferred through signal transmitting/receiving end power divider/synthesizer
The mobile phone signal of benefit amplification is to signal reception/transmitting terminal power combing/distributor.
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| CN1547399A (en) * | 2003-11-28 | 2004-11-17 | 阎跃军 | Wireless communication direct amplifying station system combined with shared cable system |
| CN1561014A (en) * | 2004-03-04 | 2005-01-05 | 中国电子科技集团公司第五十四研究所 | Underground space passive relay communication system |
| CN102547775A (en) * | 2012-02-29 | 2012-07-04 | 福建邮科通信技术有限公司 | System and method for simultaneous indoor covering of multiple types of communication signals by utilizing CATV (community antenna television) cable |
| CN202737876U (en) * | 2012-03-27 | 2013-02-13 | 珠海银邮光电技术发展股份有限公司 | Simulation fiber repeater achieving multipath distribution |
| CN203554685U (en) * | 2013-11-07 | 2014-04-16 | 河南蓝海通信技术有限公司 | 4G and WOC cable-sharing transmission indoor coverage system |
| CN103795454A (en) * | 2014-01-20 | 2014-05-14 | 兰州大学 | 3G signal passive forwarding system |
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| US9030363B2 (en) * | 2009-12-29 | 2015-05-12 | Kathrein-Werke Ag | Method and apparatus for tilting beams in a mobile communications network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547399A (en) * | 2003-11-28 | 2004-11-17 | 阎跃军 | Wireless communication direct amplifying station system combined with shared cable system |
| CN1561014A (en) * | 2004-03-04 | 2005-01-05 | 中国电子科技集团公司第五十四研究所 | Underground space passive relay communication system |
| CN102547775A (en) * | 2012-02-29 | 2012-07-04 | 福建邮科通信技术有限公司 | System and method for simultaneous indoor covering of multiple types of communication signals by utilizing CATV (community antenna television) cable |
| CN202737876U (en) * | 2012-03-27 | 2013-02-13 | 珠海银邮光电技术发展股份有限公司 | Simulation fiber repeater achieving multipath distribution |
| CN203554685U (en) * | 2013-11-07 | 2014-04-16 | 河南蓝海通信技术有限公司 | 4G and WOC cable-sharing transmission indoor coverage system |
| CN103795454A (en) * | 2014-01-20 | 2014-05-14 | 兰州大学 | 3G signal passive forwarding system |
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