Multisystem covolume antenna
Technical field
This utility model is related to the communications field, more particularly, to a kind of multisystem covolume antenna.
Background technology
With increasing of mobile communications network standard, multiple communication standards are simultaneously deposited, and in order to optimize allocation of resources, save site
With antenna feeder resource, reduce property and coordinate difficulty, reduce cost of investment, the co-located system covolume antenna of co-sited is increasingly becoming operator
The first-selection of networking.
At present, the multisystem covolume antenna that operator selects is typically in common antenna cover antenna system
(1880~1920MHz, 2010~2025MHz, 2575~2635MHz) and base station antenna system (880~960MHz, 1710~
1880MHz) effective integration.Design as given by patent CN 101465473 B for the conventional antenna integration mode is (as Fig. 1
Shown), intelligent antenna array 1 and base-station antenna array 2 are installed on reflecting plate 3 program, and intelligent antenna array 1 is arranged by four
Smart antenna array element 10 is constituted, and base-station antenna array 2 is made up of four antenna for base station array elements 20 of string.Intelligent antenna array and base
Vertical direction shown in Fig. 1 for the station antenna array is vertically distance.This antenna being capable of comprehensive intelligent antenna and traditional base
The application function of station antenna, realizes the integrated of two kinds of antennas, reduces network planning difficulty reduces cost.
But, because for indexs such as the upper Sidelobe Suppression after balancing gain and electrical down-tilting, low-frequency range radiating curtain spacing is selected
Select scope and be generally 250mm~300mm, the high band radiating curtain spacing range of choice is generally 105mm~115mm, and antenna
Within the length dimension of cover is typically defined 2m, so, the number of high frequency antenna array element and low-frequency antenna array element is all subject to
Limit.When the array element quantity of array antenna is defined, the corresponding antenna gain of its array antenna also can be restricted, thus cannot
The multisystem covolume antenna of high-gain is realized in common antenna cover.
Content of the invention
The purpose of this utility model aims to provide a kind of fixs the higher multisystem covolume antenna of gain in size one.
In order to solve the above problems, this utility model provides technical scheme below:
A kind of multisystem covolume antenna, including reflecting plate and be mounted on intelligent antenna array and base on described reflecting plate
Station antenna array;Described intelligent antenna array is located at described reflecting plate lower end, and it includes multiple smart antenna subarrays, each institute
State smart antenna subarray to be made up of multiple smart antenna array units;Described base-station antenna array comprises multiple first base station antenna arrays
Unit and the second antenna for base station array element, and the plurality of first base station bay is located at the upper end of described reflecting plate, described the
Two antenna for base station array elements are located in reflecting plate lower end the gap of embedded multiple described smart antenna array elements, and by two neighboring intelligence
The multiple described smart antenna array element of energy sub-array antenna is enclosed and is set in the inner.
Preferably, described intelligent antenna array comprises the smart antenna subarray of four row longitudinal direction arranged in parallel.
Preferably, arranged in parallel or wrong between multiple smart antenna array elements of two neighboring described smart antenna subarray
Position arrangement.
Preferably, the multiple intelligence setting two neighboring smart antenna subarray in the inner are enclosed by the second antenna for base station array element
Aligned flush is corresponded between bay.
Further, described first base station bay and the second antenna for base station array element are low frequency antenna for base station array element,
Described base-station antenna array also include with the plurality of first base station bay located at reflecting plate with one end multiple high frequency bases
Station antenna array element, and the plurality of high frequency antenna for base station array element and described first base station aerial array longitudinal direction arranged in parallel, or
Person's the plurality of high frequency antenna for base station array element and described first base station bay are arranged on string.
Preferably, described second antenna for base station array element and the center of first base station bay be not in same axial direction.
Preferably, not etc. mutually do not feed between described first base station bay and the second antenna for base station array element.
Preferably, described low frequency antenna for base station array element works in 880-960MHz, described high frequency antenna for base station array element work
In 1710-1880MHz, described intelligent antenna array works in 1880-1920MHz, 2010-2025MHz, 2575-2635MHz.
Preferably, described first base station bay and the second antenna for base station array element are low frequency antenna for base station array element, institute
State base-station antenna array also include with the plurality of first base station bay located at reflecting plate with one end one or more by
The high frequency base-station antenna array of multiple high frequency antenna for base station array element compositions, and described high frequency base-station antenna array and described first
Antenna for base station array element longitudinal direction arranged in parallel, or described high frequency base-station antenna array and described first base station bay are in string
Upper arrangement.
Preferably, needed for the space that multiple described smart antenna array elements are surrounded and a described second antenna for base station array element
Space close.
Preferably, the irradiation structure of described antenna for base station array element is annulus, rectangle or polygon.
Preferably, described intelligent antenna array and described base-station antenna array are conductively connected or electric capacity coupling with described reflecting plate
Close and connect.
Preferably, described second antenna for base station array element is being installed at described first base station bay.
A kind of multisystem covolume antenna is it is characterised in that including reflecting plate and being mounted on intelligence on described reflecting plate
Aerial array and base-station antenna array;
Described intelligent antenna array is located at described reflecting plate lower end, and it includes multiple smart antenna subarrays, described in each
Smart antenna subarray is made up of multiple smart antenna array units;
Described base-station antenna array comprises multiple first base station aerial arrays and multiple second antenna for base station array element, and institute
State the upper end that multiple first base station aerial arrays are located at described reflecting plate, the plurality of second antenna for base station array element is located at reflecting plate
In the gap of lower end embedded multiple described smart antenna array elements and multiple non-conterminous smart antenna subarrays are multiple described
Smart antenna array element is enclosed and is set in the inner.
Preferably, described first base station aerial array and the second antenna for base station array element are low frequency antenna for base station array element, institute
State base-station antenna array also include with the plurality of first base station aerial array located at reflecting plate with one end one or more by
The high frequency base-station antenna array of multiple high frequency antenna for base station array element compositions, and described high frequency base-station antenna array and described first
Base-station antenna array longitudinal direction arranged in parallel, or described high frequency base-station antenna array and described first base station aerial array are in string
Upper arrangement.
Scheme of the present utility model has advantages below:
1st, this utility model is respectively arranged on by the intelligent antenna array and base-station antenna array that will be operate in different frequency range
The different two ends of reflecting plate, and the array element of at least one base-station antenna array by the array element of multiple intelligent antenna arrays enclose located at
In it, by fully rationally utilizing the gap between bay, in the case of keeping antenna house and reflecting plate size constancy, increase
Plus one or more antenna for base station array element, thus improving the gain of antenna.
2nd, in multisystem covolume antenna of the present utility model, due to space size and list shared by multiple smart antenna array elements
Individual antenna for base station array element requisite space size is close, this kind of design can reasonable utilization space, can guarantee that embedded base station sky again
Linear array unit performance is basically identical with the performance of common antenna for base station array element.
3rd, because intelligent antenna array of the present utility model and base-station antenna array are respectively arranged on the different two ends of reflecting plate,
The array element of only minority intelligent antenna array is surrounded by the antenna for base station array element near intelligent antenna array, multiple for having
For the intelligent antenna array of smart antenna array element, base-station antenna array affects less on it, is more easy to obtain superior performance and refers to
Mark.
The aspect that this utility model adds and advantage will be set forth in part in the description, and these will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
The above-mentioned and/or additional aspect of this utility model and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and easy to understand, wherein:
Fig. 1 is a kind of structural representation of multisystem covolume antenna that Chinese CN 101465473 B patent announcement is related to
Figure;
Fig. 2 is the structural representation of this utility model embodiment one multisystem covolume antenna;
Fig. 3 is the structural representation of this utility model embodiment two multisystem covolume antenna;
Fig. 4 is the structural representation of this utility model embodiment three multisystem covolume antenna;
Fig. 5 is the structural representation of this utility model example IV multisystem covolume antenna;
Fig. 6 is the structural representation of this utility model embodiment five multisystem covolume antenna;
Fig. 7 is the structural representation of this utility model embodiment six multisystem covolume antenna;
Fig. 8 is the structural representation of this utility model embodiment seven multisystem covolume antenna.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary, is only used for explaining this utility model, and can not be construed to of the present utility model
Limit.
Embodiment one
As shown in Fig. 2 the present embodiment provides a kind of multisystem covolume antenna, including reflecting plate 3, and it is mounted on reflecting
Intelligent antenna array 1 on plate 3 and base-station antenna array 2.Wherein, intelligent antenna array 1, base-station antenna array 2 separately constitute
Smart antenna and antenna for base station, it is achieved thereby that work in different system (TD-LTE system and the legacy cellular shifting of different frequency range
Dynamic system, such as GSM900MHz, CDMA800MHz) antenna duplexer reflecting plate and antenna house it is achieved that multisystem covolume sets
Meter, is conducive to antenna miniaturization, saves installing space.
Described reflecting plate 3 is as the common reflector of intelligent antenna array 1 and base-station antenna array 2, described smart antenna
Array 1 and base-station antenna array 2 are electrically connected with reflecting plate 3 respectively, be preferably conductively connected or Capacitance Coupled connects.
Described intelligent antenna array 1 is located at the lower end of described reflecting plate 3, it include four smart antenna subarrays 11,12,
13rd, 14, by four or more smart antenna array element, longitudinally same axis rearranges each smart antenna subarray.This reality
Apply each intelligent antenna array in example and comprise 9 array elements.
Described base-station antenna array 2 includes at least two first base station bays 21 and at least one second antenna for base station
Array element 20, located at the upper end of described reflecting plate 3, described second antenna for base station array element 20 is close for described first base station bay 21
Described first base station bay 21 is arranged on reflecting plate 3 lower end, and at least one described second antenna for base station array element 20 is embedding
Enter in the gap between smart antenna array element, and by each two smart antenna array elements of smart antenna subarray adjacent for two row (i.e.
Four adjacent smart antenna array elements) enclose and set in the inner.In the present embodiment, during a described second antenna for base station array element 20 is incited somebody to action
Between four smart antenna array elements 121,122,131,132 of two row smart antenna subarrays 12,13 be trapped among in it.
For this reason, single second antenna for base station array element 20 is configured to its required installing space and four smart antenna array elements
The common space taking close so that a second antenna for base station array element 20 can be enclosed four smart antenna array elements located at it
Interior.
By intelligent antenna array 1 and base-station antenna array 2 being located at the different ends of reflecting plate 3, and at least one
Multiple smart antenna array elements are trapped among in it two antenna for base station array elements 20, by the gap between effectively utilizes smart antenna array element,
Increase the number of antenna for base station array element on the basis of not increasing antenna house and reflecting plate 3 size, thus improving antenna for base station battle array
The gain of row, is conducive to the Miniaturization Design of antenna.
Because space size shared by multiple smart antenna array elements is close with single base station bay requisite space size, both
Energy rationally utilization space, can guarantee that antenna for base station array element (i.e. the second antenna for base station battle array in embedded smart antenna array element gap again
First 20) performance is basically identical with the performance of common antenna for base station array element (i.e. first base station bay 21).
In addition, the second antenna for base station array element 20 in embedded intelligent antenna array 1 gap is near first base station bay
21 settings, not only improve the group battle array of antenna for base station, can guarantee that the second embedded antenna for base station array element 20 only to each intelligent sky again
Two or three bays of edge of line subarray produce impact, and have more than eight to each smart antenna subarray
The entire effect of intelligent antenna array 1 performance of array element is less.
In other embodiments, those skilled in the art can as needed the second antenna for base station array element be configured to permissible
The smart antenna array element of six or other numbers is trapped among in it.
Preferably, the smart antenna array element one-to-one corresponding of middle two row smart antenna subarrays 12,13 is arranged in parallel, and two
The smart antenna subarray 11,14 of side is misplaced or parallel with the smart antenna array element of an adjacent smart antenna subarray 12,13
Arrangement.
Preferably, the multiple intelligence setting two neighboring smart antenna subarray in the inner are enclosed by the second antenna for base station array element 20
Aligned flush can be corresponded between bay.
In multisystem covolume antenna of the present utility model, the second antenna for base station array element 20 and first base station bay 21
It is preferably low frequency antenna for base station array element, its irradiation structure is identical, is rectangular in form.
With the increase of the second antenna for base station array element 20 number, intelligent antenna array 1 by being affected also can increase, because
This, those skilled in the art can be appropriately arranged with the second antenna for base station battle array according to the gain requirements of antenna for base station and smart antenna
The number of unit 20.In other words, in the present embodiment, it is embedded in the second base in the gap of multiple array elements of intelligent antenna array 1
The number of station antenna array element 20 is not limited to one.
Embodiment two
As shown in figure 3, the present embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Described second base station
The irradiation structure of bay 22 and described first base station bay 23 adopts form of annular rings.Remaining is with embodiment one.
Embodiment three
As shown in figure 4, the present embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Antenna for base station adopts
Be multifrequency community antenna form, i.e. base-station antenna array 2 also includes and first base station bay 21 (low frequency base station sky
Linear array unit) located at reflecting plate 3 with one end multiple high frequency antenna for base station array elements 200, and described high frequency antenna for base station array element 200
Left side located at described first base station bay 21.Wherein, described first base station bay 21, the second antenna for base station array element
20 work in 880-960MHz, and high frequency antenna for base station array element 200 works in 1710-1880MHz, and the two forms double frequency shared sky
Line.Described intelligent antenna array works in 1880-1920MHz, 2010-2025MHz, 2575-2635MHz.Remaining same embodiment
One.
In the present embodiment, due to increased high frequency antenna for base station array element 200, first base station bay 21 and are led to
The central point of two antenna for base station array elements 20 is not in same axial direction.In order to not affect first base station bay 21 and the second base station
The group battle array of bay 20, by first base station bay 21 and the second antenna for base station array element 20 using the phase such as not feed side
Formula, thus make up first base station bay 21 and the second antenna for base station array element 20 being dislocatedly distributed spatially.
In other embodiments, described high frequency antenna for base station array element 200 also can be located at first base station bay 21
Right side or the plurality of high frequency antenna for base station array element 200 are arranged on string with described first base station bay 21.
Example IV
As shown in figure 5, this utility model embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Described
First base station bay 21 is located on the right side of reflecting plate 3, and the second antenna for base station array element 20 is embedded in the right two row smart antenna array elements
13rd, in 14 gap of multiple array elements.Remaining is with embodiment one.
In the present embodiment, the second antenna for base station array element 20 by four adjacent smart antenna array elements 131,132,141,
142 embedding in the inner, and four adjacent smart antenna array elements 131,132,141,142 are evenly distributed two row smart antenna on the right
In subarray 13,14.
Embodiment five
As shown in fig. 6, this utility model embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Described
First base station bay 21 is located on the left of reflecting plate 3, and the second antenna for base station array element 20 is embedded in the left side two row smart antenna submatrix
In the gap of multiple array elements of row 11,12.Remaining is with embodiment one.
In the present embodiment, the second antenna for base station array element 20 by six adjacent smart antenna array elements 111,112,113,
121st, 122,123 embedding in the inner, and six adjacent smart antenna array elements 111,112,113,121,122,123 are evenly distributed in
In the row smart antenna subarray 11,12 of the left side two.
Embodiment six
As shown in fig. 7, the present embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Antenna for base station adopts
Be multifrequency community antenna form, dual pathways 900MHz system, four-way 1800MHz system and eight passages can be supported simultaneously
FA d system, that is, base-station antenna array 2 include with first base station bay 21 (low frequency antenna for base station array element) located at reflecting plate 3
Multiple high frequency antenna for base station array elements 201 on same one end, same axis and multiple located at first base station bay 21 left side
High frequency antenna for base station array element 200.Wherein, multiple high frequency base stations array element 201 constitutes and is operable with the of 1710-1880MHz system
One high frequency base station array.Multiple high frequency base stations array element 200 constitutes the second high frequency base station being operable with 1710-1880MHz system
Array.Multiple first base station bays 21 located at reflecting plate 3 upper end and at least one second base located at reflecting plate 3 lower end
Station antenna array element 20 constitutes the first low frequency base station array being operable with 880-960MHz system.Remaining is with embodiment three.This reality
Apply in example, described first base station bay is arranged on the left of reflecting plate upper end or right side, effect is substantially identical.
Embodiment seven
As shown in figure 8, the present embodiment provides a kind of multisystem covolume antenna, it is mainly characterized by:Antenna for base station adopts
Be multifrequency community antenna form, four-way 900MHz system, four-way 1800MHz system and eight passages can be supported simultaneously
FA d system, that is, base-station antenna array 2 is by the multiple first base station bays 23 and at least on the left of reflecting plate 3 upper end
First base station bay 22 on the left of the individual lower end located at reflecting plate 3 constitutes the first low frequency being operable with 880-960MHz system
Base station array.By the multiple first base station bays 21 on the right side of reflecting plate 3 upper end and at least one under reflecting plate 3
The first base station bay 20 on end right side constitutes the second low frequency base station array being operable with 880-960MHz system.By located at
Constitute with multiple high frequency antenna for base station array elements 200 of the same axis of first base station bay 23 and be operable with 1710-1880MHz
First high frequency base-station antenna array of system.By located at the multiple high frequency base station sky with the same axis of first base station bay 21
Linear array unit 201 constitutes the second high frequency base-station antenna array composition being operable with 1710-1880MHz system, remaining same embodiment
Six.
In the present embodiment, two adjacent smart antenna array elements 141,142 are embedded in it by the second antenna for base station array element 20
Interior, the second antenna for base station array element 22 will be embedding in the inner for two adjacent smart antenna array elements 111,112, and two adjacent intelligent skies
Linear array unit 141,142 is distributed in smart antenna subarray 14, and two adjacent smart antenna array elements 111,112 are distributed in intelligent sky
In line subarray 11.
In all of above embodiment, described first base station bay is arranged on the left of reflecting plate upper end or right side, effect
Substantially identical.
The above is only some embodiments of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.