CN103840865B - Intelligent antenna device supporting multiple network types - Google Patents
Intelligent antenna device supporting multiple network types Download PDFInfo
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- CN103840865B CN103840865B CN201210479499.XA CN201210479499A CN103840865B CN 103840865 B CN103840865 B CN 103840865B CN 201210479499 A CN201210479499 A CN 201210479499A CN 103840865 B CN103840865 B CN 103840865B
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Abstract
The invention discloses an intelligent antenna device which supports a plurality of network types. The main content of the invention includes: a combination port of a first combiner is connected with a first oscillator of a configured first antenna array; a combination port of a second combiner is connected with a second oscillator of a configured second antenna array. The second oscillator and the first oscillator are identical in horizontal position. A first shunt port of the first combiner and a first shunt port of the second combiner are connected with two shunt ports of a first power splitter respectively. A combination port of the first power splitter is connected with a multi-type antenna port through a phase-shift network. The first power splitter enables the shapes of output horizontal-plane direction wave-beam patterns meet the coverage demands of signals of a plurality of kinds of network types through determination of the amplitudes and phase positions of downlink signals output by the first oscillator and the second oscillator so that under a condition that the prior intelligent antenna structure is not changed, coexistence of the signals of the plurality of types of networks is realized and thus resources for system construction are saved.
Description
Technical field
The present invention relates to moving communicating field, more particularly, to a kind of smart antenna equipment supporting multiple network standard.
Background technology
With mobile communication technology development, at present except by the second filial generation global mobile communication breath system (2ggsm) network with
And outside CDMA (the 3g td-scdma etc.) network of third generation time division synchronous built, the 4th will be entered
Epoch for time-division Long Term Evolution (4g td-lte) network.But, support that the large customer base of 2g, 3g network will be in one section of phase
When long time memory exists, therefore, in existing communications network system, will appear from multiple communication network standards situation about depositing.
At present, multiple Virtual network operators are owned by the network system of 2g, 3g multiple types it is contemplated that the application of 4g network,
Antenna feeder resource will be made to become at full stretch, therefore, realize 2g and 3g communication network colocation site and shared antenna become development must
Will.
In the prior art, operator dispose antenna for base station when, in order to meet the multiple network systems such as 2g, 3g and lte
The requirement that formula signal covers simultaneously, occurs in that the deployment way of following two antennas:
First kind of way: by the antenna supporting gsm standard and the antenna (i.e. smart antenna) supporting td-scdma standard
Lower placement, as shown in figure 1, the antenna for support gsm standard and showing that the antenna supporting td-scdma standard is disposed vertically side by side
It is intended to.
Wherein, typically include one group of aerial array in the antenna supporting gsm standard, support the antenna of td-scdma standard
In typically include multigroup aerial array (such as: four groups of aerial arrays).
Specifically, set up the antenna supporting gsm standard above the antenna supporting td-scdma standard；Or supporting
The top of the antenna of gsm standard sets up the antenna supporting td-scdma standard.
Wherein, the frequency of the network signal of gsm standard that the antenna of support gsm standard can be launched is 900m and 1800m, or
Person list 900m, or single 1800m；The frequency of the network signal of td-scdma standard that the antenna of support td-scdma standard can be launched
Rate is fad frequency range (i.e. 1880-1920mhz, 2010-2025mhz, 2500-2690mhz).
Specifically, the antenna width placed up and down, between 2700-3000mm, seriously limits the antenna of this framework
Large-scale application.
The second way: the antenna supporting gsm standard and the antenna horizontal Tile supporting td-scdma standard are placed, such as
Shown in Fig. 2, the schematic diagram that the antenna for supporting gsm standard is placed with the antenna horizontal Tile supporting td-scdma standard.
Specifically, set up, in the side of the antenna supporting td-scdma standard, the antenna supporting gsm900/1800m standard,
The antenna width that horizontal Tile is placed is between 450-500mm.
Although the second way shortens the width of antenna, in the antenna supporting gsm standard and support td-scdma
The intersecting area (see part oval in Fig. 2) of the antenna of standard, the letter of the second harmonic signal of the gsm900 f frequency range to td standard
Number impact is larger, td standard noise level will be made to improve, affect communication quality；
Content of the invention
Embodiments provide a kind of smart antenna equipment supporting gsm network formats, for solving prior art
In in the case of not changing existing smart antenna width it is impossible to realize the problem that gsm network formats and 3g network formats share.
A kind of smart antenna equipment supporting multiple network standard, comprising: including at least first antenna array and second day
The aerial array group of linear array, the first combiner, the second combiner and the first power splitter, wherein:
The combining port of the first combiner is connected with the first oscillator in the first antenna array of configuration；
The combining port of the second combiner is connected with the second oscillator in the second aerial array of configuration, wherein, described the
Two oscillators are identical with the horizontal level of described first oscillator；
First branch port of the first combiner is connected with the first branch port of the first power splitter, and the second combiner
The first branch port be connected with the first branch port of the first power splitter, phase-shift network is passed through in the combining port of the first power splitter
It is connected with multi-mode antenna port；
Described first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
The present invention has the beneficial effect that:
The embodiment of the present invention is passed through in the framework of existing smart antenna structure, by several groups in intelligent antenna array group
Oscillator in aerial array is attached in such a way: the combining port of the first combiner and the first antenna array configuring
In first oscillator be connected；The combining port of the second combiner is connected with the second oscillator in the second aerial array of configuration, its
In, described second oscillator is identical with the horizontal level of described first oscillator；First branch port of the first combiner and the first work(
The first branch port dividing device is connected, and the first branch port of the second combiner and the first branch port of the first power splitter
It is connected, the combining port of the first power splitter is connected with multi-mode antenna port by phase-shift network, and described first power splitter is used for
Determine that the first oscillator and the second oscillator export amplitude and the phase place of downstream signal, so do not changing existing smart antenna structure
In the case of it is achieved that coexisting of multiple types network signal and 3g network formats signal, save the resource of system Construction.
Brief description
Fig. 1 is to support the antenna of gsm standard and the schematic diagram supporting that the antenna of td-scdma standard is disposed vertically side by side；
Fig. 2 is to support the antenna of gsm standard and the schematic diagram supporting that the antenna horizontal Tile of td-scdma standard is placed；
Fig. 3 is a kind of structural representation of smart antenna equipment supporting multiple network standard of the embodiment of the present invention；
Fig. 4 (a) is that output level directional diagram is illustrated in the presence of the first power splitter；
Fig. 4 (b) is that output level directional diagram is illustrated in the presence of the first power splitter；
Fig. 5 is a kind of structural representation of the smart antenna equipment supporting multiple network standard.
Specific embodiment
In order to realize the purpose of the present invention, embodiments provide a kind of smart antenna supporting multiple network standard
Equipment, by the framework of existing smart antenna structure, by shaking in several groups of aerial arrays in intelligent antenna array group
Son is attached in such a way: the combining port of the first combiner with configuration first antenna array in the first oscillator phase
Even；The combining port of the second combiner is connected with the second oscillator in the second aerial array of configuration, wherein, described second oscillator
Identical with the horizontal level of described first oscillator；First branch port of the first combiner and the first branch end of the first power splitter
Mouth is connected, and the first branch port of the second combiner is connected with the first branch port of the first power splitter, the first power splitter
Combining port be connected with multi-mode antenna port by phase-shift network, described first power splitter is used for determining the first oscillator and the
Two oscillators export the amplitude of downstream signals and phase place, it is achieved that many so in the case of not changing existing smart antenna structure
Coexisting of kind of standard network signal and 3g network formats signal, saves the resource of system Construction.
With reference to Figure of description, each embodiment of the present invention is described in detail.
As shown in figure 3, showing for a kind of structure of smart antenna equipment supporting multiple network standard of the embodiment of the present invention
It is intended to.
Wherein, the embodiment of the present invention uses conventional multichannel dual-polarization intelligent antenna.Described multichannel dual polarization
The operating frequency of each of smart antenna oscillator (being also called radiating element) has the feature that
Each oscillator supports more than at least two network formats, and the working frequency range of two network formats is that have necessarily
Frequency range interval.
For example: an oscillator of smart antenna supports gsm network formats and 3g network formats, wherein, support gsm network system
The frequency range of formula is 1710 ~ 1880mhz, supports that the frequency range of 3g network formats is 1880 ~ 2025mhz.That is, this smart antenna
The overlayable signal of oscillator frequency range be 1710 ~ 2025mhz.
Specifically, the described smart antenna equipment supporting multiple network standard includes: including at least first antenna array and
The aerial array group of the second aerial array, the first combiner, the second combiner and the first power splitter, wherein:
The combining port of the first combiner is connected with the first oscillator in the first antenna array of configuration；
The combining port of the second combiner is connected with the second oscillator in the second aerial array of configuration, wherein, described the
Two oscillators are identical with the horizontal level of described first oscillator；
First branch port of the first combiner is connected with the first branch port of the first power splitter, and the second combiner
The first branch port be connected with the first branch port of the first power splitter, phase-shift network is passed through in the combining port of the first power splitter
It is connected with multi-mode antenna port；
Described first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
Taking 4*4 intelligent antenna array as a example, wherein, this smart antenna contains 4 groups of aerial arrays, each group of aerial array
In contain 4 oscillators, described 4 groups of aerial arrays be numbered 11,12,13 and 14；4 comprising in each group of aerial array
The label of oscillator is followed successively by 1,2,3 and 4.
Realize the covering of gsm standard network signal in above-mentioned intelligent antenna array, being covered with gsm standard network signal is needed
The aerial array wanted is two groups of aerial arrays it is assumed that the first antenna array of configuration is to be numbered 12 in intelligent antenna array group
Aerial array, the second aerial array of configuration is for being numbered 13 aerial array in intelligent antenna array group.Specifically,
The combining port of the first combiner 21 is connected with the first oscillator 121 in the first antenna array 12 of configuration；
The combining port of the second combiner 31 is connected with the second oscillator 131 in the second aerial array 13 of configuration, wherein,
Described second oscillator is identical with the horizontal level of described first oscillator.
First branch port of the first combiner 21 is connected with the first branch port of the first power splitter 41, and the second conjunction
First branch port of road device 31 is connected with the first branch port of the first power splitter 41, and the combining port of the first power splitter 41 leads to
Cross phase-shift network to be connected with multi-mode antenna port.
Described first combiner 21, for not passing through different dividing in the same time by the signal receiving different network formats
Road port is transferred to antenna oscillator.
It should be noted that the combiner being related in the embodiment of the present invention all has the function of the first combiner, wherein,
" first ", " second ", " the 3rd " and " the 4th " in one combiner, the second combiner, the 3rd combiner and the 4th combiner is only
It is used to distinguish the oscillator difference that combiner connects, do not have other implications, and the function phase of combiner is same.
Described first power splitter 41, for determining the amplitude and the phase that export downstream signal of the first oscillator and the second oscillator
Position.
Because power splitter is a kind of device being divided into two-way or multiple-channel output of the downstream signal by a road input, its
In, each road exports the amplitude of downstream signal and phase place can be the same or different, and therefore, the combining port of the first power splitter leads to
When crossing the signal that phase-shift network receives multi-mode antenna input, the allocation strategy according to power splitter setting is by the signal receiving
Amplitude and phase place carry out separating, form two kinds of downstream signals, a downstream signal is transferred to first by a road branch port
Oscillator, another downstream signal is transferred to the second oscillator by another road branch port, by the first oscillator and the second oscillator according to connecing
The downstream signal receiving is launched.
Wherein, the amplitude of a downstream signal and the amplitude of another downstream signal can be the same or different；Under one
The phase place of row signal be can be the same or different with the phase place of another downstream signal.
More preferably, when the first power splitter is the first one-to-two power splitter, described first one-to-two power splitter, under antenna
The downstream signal being used for during row working condition inputting phase-shift network carries out separating according to specific amplitude proportional and phase contrast, and
Two paths of signals after separation is transferred to the first oscillator and the second oscillator respectively.
Because array antenna is when realizing wave beam forming, it is the amplitude by each array element signals and phase place generation specifically side
To diagram shape, reach required covering and require, therefore, the pattern shapes ultimately generating depend on determined by the first power splitter
Amplitude and phase place.
, when the amplitude to the downstream signal inputting and phase place carry out separating, the division proportion of setting is or not first power splitter
With, then the directional diagram exporting downstream signal formed horizontal beam figuration by the first oscillator and the second oscillator is also different.
As shown in Figure 4 (a), be output level wave beam forming in the presence of the first power splitter gain schematic diagram, work as width
For a=[0.5,1], during p=[15,0], the directional diagram gain obtaining horizontal beam figuration is bw=63 to phase weights ratio；As Fig. 4 (b)
Shown, be the gain schematic diagram of output level wave beam forming in the presence of the first power splitter, when width phase weights than for a=[0.4,
1], during p=[20,0], the directional diagram gain obtaining horizontal beam figuration is bw=66.
More preferably, as 1:1, phase contrast is identical for the described amplitude proportional setting；Described first one-to-two power splitter, for inciting somebody to action
The amplitude proportional of the downstream signal of input is carried out respectively and phase contrast is identical obtains that two-way amplitude is identical, phase place identical is descending
Signal.
More preferably, when described first power splitter is the one one point of n road power splitter, described equipment also includes: the n-th combiner,
Wherein:
The combining port of the n-th combiner is connected with the n-th oscillator of the n-th aerial array of configuration, wherein, described n-th oscillator
Identical with the horizontal level of described first oscillator；
First branch port of the n-th combiner is connected with the n-th road branch port of a n road power splitter, the first combiner
The first branch port be connected with the first branch port of a n road power splitter, the first branch port of the second combiner and
Second branch port of one n road power splitter is connected, and the combining end of a n road power splitter is passed through phase-shift network and believed with multi-mode antenna
Number port is connected；
Described one one point of n road power splitter, for determining the first oscillator, the second oscillator and the n-th oscillator output downstream signal
Amplitude and phase place, wherein, n is the positive integer more than 2.
For the second branch port of the first combiner, the second branch port of described first combiner and first antenna battle array
Second branch port of the connected combiner of another oscillator in row is connected, and the intersection point of connection passes through feeding network and smart antenna
The input port of signal is connected.
More preferably, as shown in figure 5, being a kind of structural representation of the smart antenna equipment supporting multiple network standard, institute
Equipment of stating also includes: the 3rd combiner 22, the 4th combiner 32, the second power splitter 42 and electric tune equipment 51, wherein:
The combining port of the 3rd combiner 22 is connected with the 3rd oscillator 122 in the first antenna array of configuration；
The combining port of the 4th combiner 32 is connected with the 4th oscillator 132 in the second aerial array of configuration, wherein, institute
State the 3rd oscillator identical with the horizontal level of described 4th oscillator；
First branch port of the 3rd combiner is connected and the 4th combiner with the first branch port of the second power splitter
The first branch port be connected with the second branch port of the second power splitter, the first power splitter combining port and the second power splitter
Combining port is connected, and the intersection point of connection is connected with the output port of electric tune equipment by feeding network, the input of electric tune equipment
Mouth is connected with multi-mode antenna signal port；
Described electricity tune equipment 51, exports, for adjusting first antenna array and the second aerial array, the ripple that downstream signal is formed
The angle of declination of bundle Oriented Graphics with Assigned Form.
Employ electric tune equipment in embodiments of the present invention it is achieved that the having a down dip of smart antenna and multiple network standard antenna
The independence adjustment at angle.
Wherein, described multiple network standard contains gsm network formats, at least one in lte network formats or many
Kind.
Be used in described aerial array group receiving the frequency that the oscillator of multiple types aerial signal supports at least include 1710 ~
2025mhz.
Be used in described aerial array group receiving the frequency that the oscillator of smart antenna signal supports at least include 1710 ~
One of 1880mhz, 1880 ~ 1920mhz, 2010 ~ 2025mhz and 2500 ~ 2690mhz or multiple.
Obviously, those skilled in the art can carry out the various changes and modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprise these changes and modification.
Claims (9)
1. a kind of smart antenna equipment supporting multiple network standard is it is characterised in that include: including at least first antenna array
With the aerial array group of the second aerial array, the first combiner, the second combiner and the first power splitter, wherein:
The combining port of the first combiner is connected with the first oscillator in the first antenna array of configuration；
The combining port of the second combiner is connected with the second oscillator in the second aerial array of configuration, and wherein, described second shakes
The horizontal level of sub and described first oscillator is identical；
First branch port of the first combiner is connected with the first branch port of the first power splitter, and the of the second combiner
One branch port is connected with the second branch port of the first power splitter, the combining port of the first power splitter pass through phase-shift network with many
Standard antenna port is connected；
Described first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
2. equipment as claimed in claim 1 it is characterised in that
Second of the connected combiner of another oscillator in second branch port of described first combiner and first antenna array
Branch port is connected, and the intersection point of connection is connected with smart antenna port by feeding network.
3. equipment as claimed in claim 1 is it is characterised in that described first power splitter is the first one-to-two power splitter；
Described first one-to-two power splitter, for the downstream signal that inputs phase-shift network according to the amplitude proportional setting and phase place
Difference carries out separating, and the two paths of signals after separation is transferred to the first oscillator and the second oscillator respectively.
4., it is characterised in that the described amplitude proportional setting is as 1:1, phase contrast is identical for equipment as claimed in claim 3；
Described first one-to-two power splitter, for carrying out the amplitude proportional of the downstream signal of input respectively and phase contrast is identical
Obtain that two-way amplitude is identical, phase place identical downstream signal.
5. equipment as claimed in claim 1 is it is characterised in that described first power splitter is the one one point of n road power splitter；
Described equipment also includes: the n-th combiner, wherein:
The combining port of the n-th combiner is connected with n-th oscillator of the n-th aerial array of configuration, wherein, described n-th oscillator and institute
The horizontal level stating the first oscillator is identical；
First branch port of the n-th combiner is connected with the n-th road branch port of the one one point of n road power splitter, the first combiner
The first branch port be connected with the first branch port of the one one point of n road power splitter and the second combiner the first branch end
Mouth is connected with the second branch port of the one one point of n road power splitter, and phase-shift network is passed through at the combining end of the one one point of n road power splitter
It is connected with multi-mode antenna signal port；
A described n road power splitter, for determine the first oscillator, the second oscillator and the n-th oscillator export downstream signal amplitude and
Phase place, wherein, n is the positive integer more than 2.
6. equipment as claimed in claim 1 is it is characterised in that described equipment also includes: the 3rd combiner, the 4th combiner,
Second power splitter and electric tune equipment, wherein:
The combining port of the 3rd combiner is connected with the 3rd oscillator in the first antenna array of configuration；
The combining port of the 4th combiner is connected with the 4th oscillator in the second aerial array of configuration, and wherein, the described 3rd shakes
The horizontal level of sub and described 4th oscillator is identical；
First branch port of the 3rd combiner be connected with the first branch port of the second power splitter and the 4th combiner
One branch port is connected with the second branch port of the second power splitter, the combining of the first power splitter combining port and the second power splitter
Port be connected, the intersection point of connection is connected with the output port of electric tune equipment by feeding network, the input port of electric tune equipment and
Multi-mode antenna signal port is connected；
Described electricity tune equipment, exports, for adjusting first antenna array and the second aerial array, the wave beam forming that downstream signal is formed
The angle of declination of directional diagram.
7. equipment as claimed in claim 1 is it is characterised in that described multiple network standard contains gsm network formats, lte
At least one in network formats.
8. equipment as claimed in claim 1 is it is characterised in that be used in described aerial array group receiving multiple types antenna letter
Number oscillator support frequency at least include 1710～2025mhz.
9. equipment as claimed in claim 1 is it is characterised in that be used in described aerial array group receiving smart antenna signal
The frequency that oscillator is supported at least include 1710～1880mhz, 1880～1920mhz, 2010～2025mhz and 2500～
One of 2690mhz.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106229685B (en) * | 2016-09-22 | 2023-03-31 | 京信通信技术(广州)有限公司 | Beam forming network and dual-polarized five-beam antenna |
| EP3676911A1 (en) | 2017-10-04 | 2020-07-08 | Huawei Technologies Co., Ltd. | Multiband antenna system |
| WO2019127293A1 (en) * | 2017-12-28 | 2019-07-04 | 海能达通信股份有限公司 | Frequency spectrum resource scheduling method and device |
| CN114553267B (en) * | 2020-11-18 | 2023-08-08 | 神讯电脑(昆山)有限公司 | Electronic device |
| CN113571899A (en) * | 2021-07-29 | 2021-10-29 | 昆山立讯射频科技有限公司 | Feed network and base station antenna |
| WO2024077500A1 (en) * | 2022-10-11 | 2024-04-18 | 华为技术有限公司 | Communication device and base station |
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| WO2012103821A2 (en) * | 2012-03-09 | 2012-08-09 | 华为技术有限公司 | Antenna system, base station and communication system |
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| CN201126857Y (en) * | 2007-12-20 | 2008-10-01 | 京信通信***（中国）有限公司 | Multisystem co-body antenna |
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