CN201430214Y - Antenna subsystem and antenna unit applied in double-frequency section networking, - Google Patents
Antenna subsystem and antenna unit applied in double-frequency section networking, Download PDFInfo
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- CN201430214Y CN201430214Y CN2009201097865U CN200920109786U CN201430214Y CN 201430214 Y CN201430214 Y CN 201430214Y CN 2009201097865 U CN2009201097865 U CN 2009201097865U CN 200920109786 U CN200920109786 U CN 200920109786U CN 201430214 Y CN201430214 Y CN 201430214Y
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Abstract
The utility model discloses an antenna subsystem and an antenna unit applied in a double-frequency section networking, wherein, the antenna subsystem comprises the antenna unit, a radio-frequency remote unit working in different frequency bands, and a second radio-frequency remote unit, wherein, the first radio-frequency remote unit and the second radio-frequency remote unit are connected with theantenna unit by adopting the blind plug manner. The application of the antenna subsystem and the antenna unit in the utility model has the advantages of small construction difficulty and workload, high construction quality and reliability, convenient disassembly and assembly as well as maintenance, lesser depletion of radio frequency signal, lower requirements of installation environment and installation space, and good visual effect.
Description
Technical field
The utility model relates to communication equipment, particularly a kind of antenna subsystem and antenna element that is applied to the two-band networking.
Background technology
In Radio Network System, the antenna subsystem of communication base station comprises Remote Radio Unit (RRU, Radio Remote Unit) and antenna element, and RRU links to each other with antenna element, is used to realize the reception and the transmission of wireless signal.
The situation that has the two-band networking at present comprises two RRU that are operated in different frequency range respectively in the promptly above-mentioned antenna subsystem.Fig. 1 is a kind of RRU of two-band and antenna subsystem that antenna element is formed supported in the prior art, and what this illustrated is the situation of eight passages.
RRU1 is operated in different frequency ranges respectively with RRU2, all possesses 9 prevention at radio-frequency port, specifically comprises and corresponding 8 access ports of each passage and 1 calibration port, and the interface connector of each prevention at radio-frequency port adopts N connector.
Antenna element 101 provides 9 prevention at radio-frequency port, specifically comprises 8 access ports and 1 calibration port, and the interface connector of each prevention at radio-frequency port adopts N connector.The inside of antenna element 101 is provided with antenna coupling disc (Fig. 1 is not shown), and as external interface, calibrate the signal of smart antenna by the signal of each passage that is used to be coupled with 9 prevention at radio-frequency port of described antenna element 101 for this antenna coupling disc.This antenna coupling disc connects the distributing point that antenna element 101 inside are used to receive and export radiofrequency signal.
There are 9 two-in-one/one-to-two devices mixer 102 inside along separate routes, and 27 prevention at radio-frequency port are provided altogether, and the interface connector of each prevention at radio-frequency port adopts N connector.
As shown in Figure 1, be connected by radio frequency cable wire jumper between the prevention at radio-frequency port on the prevention at radio-frequency port on the antenna element 101 and RRU1 and the RRU2, need the joint of every wire jumper be docked during construction, processing such as locking and junction waterproof.Antenna element 101 is installed on the pole 103 by accessory is installed, RRU1 and RRU2 also are installed on the pole 103 by accessory is installed, afterwards, RRU1 and RRU2 are connected by 9 corresponding on radio frequency cable 104 and the mixer 102 along separate routes prevention at radio-frequency port wire jumpers respectively, and other 9 prevention at radio-frequency port on the shunt mixer 102 pass through radio frequency cable 104 and are connected with 9 prevention at radio-frequency port wire jumpers of antenna element 101.
Antenna subsystem shown in Figure 1 is worked in the following manner: 9 tunnel radiofrequency signals of two frequency ranges of RRU1 and RRU2 output are exported to 9 prevention at radio-frequency port of antenna element 101 correspondences after shunt mixer 102 closes the road; Send RRU1 and RRU2 respectively to after the shunt of signal through shunt mixer 102 of 9 prevention at radio-frequency port outputs of opposite antenna element 101.
There is following defective in above-mentioned antenna subsystem of the prior art:
When 1, the RRU of two different frequency ranges mode that adds radio frequency cable wire jumper by external shunt mixer is connected with antenna element, difficulty of construction and workload increase greatly, especially for the multi-channel intelligent antenna subsystem in TD SDMA (TD-SCDMA) system, be easy to generate construction quality and integrity problem, and be not easy to dismounting and maintenance, increased cost.Antenna subsystem with eight passages among the TD-SCDMA is an example, the RRU that is operated in two frequency ranges has 9 radio frequency cables to be connected with shunt mixer wire jumper respectively, mixer also has 9 radio frequency cables to be connected with the antenna element wire jumper along separate routes, therefore each sector needs 27 radio frequency cables altogether, a general grand covering website is wanted three sectors, then need 81 radio frequency cables altogether, the joint at every radio frequency cable two ends all needs to carry out water-proofing treatment during construction, like this under three sector situations, antenna element, along separate routes mixer and two RRU have totally 162 joints need do water-proofing treatment, the construction working amount is very big, and also there is serious hidden danger in the reliability aspect.In addition in dismounting with when safeguarding, to each RRU all need the dismantle adhesive waterproof tape or the shrinkage sleeve pipe of 9 joints, not only difficulty of construction is very big, also make install, maintenance cost sharply increases.
2, to increase the switching number of times through twice radio frequency cable jumper connection between antenna element and each RRU, cause additionally having increased the loss of radiofrequency signal.
3, two RRU, shunt mixers all belong to discrete module mutually, will consider how to install, add that the radio frequency wire jumper is more, to having relatively high expectations of installation environment, installing space during construction respectively.
4, because the radio frequency cable in the antenna subsystem is more, make visual effect relatively poor.
The utility model content
In view of this, the utility model provides a kind of antenna subsystem that is applied to the two-band networking, can overcome the defective that exists in the prior art.
The utility model also provides a kind of antenna element that is applied to the two-band networking, can overcome the defective that exists in the prior art.
The technical solution of the utility model is achieved in that
A kind of antenna subsystem that is applied to the two-band networking comprises: antenna element, first Remote Radio Unit that is operated in different frequency range and second Remote Radio Unit; Key is,
Be provided with the access device that is connected with the inner distributing point of antenna element in the described antenna element, and plug connector as the first plug connector and the 3rd of described access device external interface;
Described first Remote Radio Unit is provided with the second plug connector as external interface, and described second Remote Radio Unit is provided with the 4th plug connector as external interface;
Described first Remote Radio Unit plugs connection by first corresponding in described second plug connector and the described antenna element plug connector, and the 4th of described second Remote Radio Unit plugs in connector and the described antenna element the corresponding the 3rd and plugs connector and plug connection.
Preferably, the port number that described first plug connector and the described second plug connector have antenna subsystem respectively adds a craft port, and the craft port of the described first plug connector equates with the craft port quantity of the described second plug connector, the position is corresponding and the joint butt joint;
The port number that described the 3rd plug connector and described the 4th plug connector have antenna subsystem respectively adds a craft port, and the craft port of described the 3rd plug connector equates with the craft port quantity of described the 4th plug connector, the position is corresponding and the joint butt joint.
Preferably, described access device comprises: the first antenna coupling disc, the second antenna coupling disc and shunt mixer;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the craft port of the described first plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and the radio frequency cable that passes through antenna element inside be connected with one group of craft port of shunt mixer;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with the craft port of described the 3rd plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and links to each other with one group of craft port of shunt mixer by the radio frequency cable of antenna element inside;
Described shunt mixer is provided with three groups of craft port, all the port number with antenna subsystem is identical for the number of each group craft port, wherein two groups of craft port are connected with one group of craft port wire jumper of the described first antenna coupling disc and the second antenna coupling disc by the radio frequency cable of antenna element inside respectively, and the 3rd group of craft port connects the distributing point of inner each passage of antenna element.
Preferably, the described first antenna coupling disc is positioned at the outside at the described antenna element back side, and the described second antenna coupling disc is positioned at the outside at the described antenna element back side;
Described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described second an antenna coupling disc and shared housing; Perhaps described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described first an antenna coupling disc and shared housing.
Preferably, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
Preferably, described access device comprises: antenna coupling disc and shunt mixer;
Described shunt mixer is provided with three groups of craft port, the port number that the number of each group craft port is antenna subsystem adds one, wherein one group of craft port is connected with the described first plug connector, the radio frequency cable of another group craft port by antenna element inside is connected with described the 3rd plug connector, and the radio frequency cable that the 3rd group of craft port passed through antenna element inside is connected with one group of craft port wire jumper of described antenna coupling disc;
Described antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with one group of craft port of described shunt mixer, and the number of another group craft port is identical with the port number of antenna subsystem and be connected with the distributing point of each passage of antenna element inside.
Preferably, described antenna coupling disc is positioned at the outside of the described antenna element back side near the middle part; Described shunt mixer is positioned at the outside at the described antenna element back side, an and shared housing adjacent with described antenna coupling disc.
Preferably, the described first plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit;
Perhaps, the described first plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
Preferably, described antenna element comprises first sub antenna of containing the described first Remote Radio Unit operating frequency and contains second sub antenna of the described second Remote Radio Unit operating frequency;
Described access device comprises: the first antenna coupling disc and the second antenna coupling disc;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the described first plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of first sub antenna;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with described the 3rd plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of second sub antenna.
Preferably, the described first antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described first sub antenna;
The described second antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described second sub antenna.
Preferably, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
Preferably, described shunt mixer is microstrip line mixer or a cavity shunt mixer along separate routes.
A kind of antenna element that is applied to the two-band networking, inside comprises distributing point; Key is that this antenna element comprises:
The access device that is connected with described distributing point, the first plug connector and the 3rd that reaches as this access device external interface plug connector.
Preferably, port number with antenna subsystem of described first plug connector and the 3rd plug connector adds a craft port.
Preferably, described access device comprises: the first antenna coupling disc, the second antenna coupling disc and shunt mixer;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the craft port of the described first plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and the radio frequency cable that passes through antenna element inside be connected with one group of craft port of shunt mixer;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with the craft port of described the 3rd plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and links to each other with one group of craft port of shunt mixer by the radio frequency cable of antenna element inside;
Described shunt mixer is provided with three groups of craft port, all the port number with antenna subsystem is identical for the number of each group craft port, wherein two groups of craft port are connected with one group of craft port wire jumper of the described first antenna coupling disc and the second antenna coupling disc by the radio frequency cable of antenna element inside respectively, and the 3rd group of craft port connects the distributing point of inner each passage of antenna element.
Preferably, the described first antenna coupling disc is positioned at the outside at the described antenna element back side, and the described second antenna coupling disc is positioned at the outside at the described antenna element back side;
Described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described second an antenna coupling disc and shared housing; Perhaps described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described first an antenna coupling disc and shared housing.
Preferably, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element.
Preferably, described access device comprises: antenna coupling disc and shunt mixer;
Described shunt mixer is provided with three groups of craft port, the port number that the number of each group craft port is antenna subsystem adds one, wherein one group of craft port is connected with the described first plug connector, the radio frequency cable of another group craft port by antenna element inside is connected with described the 3rd plug connector, and the radio frequency cable that the 3rd group of craft port passed through antenna element inside is connected with one group of craft port wire jumper of described antenna coupling disc;
Described antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with one group of craft port of described shunt mixer, and the number of another group craft port is identical with the port number of antenna subsystem and be connected with the distributing point of each passage of antenna element inside.
Preferably, described shunt mixer is positioned at the outside at the described antenna element back side, and described antenna coupling disc is positioned at the outside, with described shunt the mixer adjacent and shared housing of the described antenna element back side near the middle part.
Preferably, the described first plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element;
Described the 3rd plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element;
Perhaps, the described first plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element;
Described the 3rd plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element.
Preferably, described antenna element comprises first sub antenna of containing the described first Remote Radio Unit operating frequency and contains second sub antenna of the described second Remote Radio Unit operating frequency;
Described access device comprises: the first antenna coupling disc and the second antenna coupling disc;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the described first plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of first sub antenna;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with described the 3rd plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of second sub antenna.
Preferably, the described first antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described first sub antenna;
The described second antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described second sub antenna.
Preferably, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element.
Preferably, it is characterized in that described shunt mixer is microstrip line mixer or a cavity shunt mixer along separate routes.
As seen, antenna subsystem in the utility model places traditional shunt mixer on the antenna element, and cooperate the access device that constitutes in the antenna element with the coupling disc of antenna element, or built-in two sub antennas of antenna element, constitute the access device of antenna element by the coupling disc of two sub antennas, all adopt pluggable mode to be connected the RRU that is operated in two frequency ranges, will make the antenna subsystem in the utility model have the following advantages like this with antenna element:
1, the antenna subsystem with eight passages among the TD-SCDMA is an example, a RRU who is operated in frequency range 1 all is connected with antenna element by pluggable mode with the 2nd RRU that is operated in frequency range 2, need not radio frequency cable wire jumper, therefore each sector does not need the radio frequency cable, the construction working amount has significantly reduced, and reliability also improves thus.On the other hand, a RRU and the 2nd RRU all by unloading construction bolt, directly extracting and get final product, have reduced installation, maintenance cost.
2, antenna element and blind slotting connection of a RRU and the 2nd RRU, the antenna internal jumper shortens, and has therefore reduced the loss of radiofrequency signal.
3, mixer is integrated on the antenna element along separate routes, need not to consider the installation question of mixer along separate routes during construction, adds the minimizing of radio frequency number of cables, makes lower to the requirement of installation environment, installing space.
4, because the minimizing of radio frequency number of cables makes that the visual effect of antenna subsystem is better.
Description of drawings
Fig. 1 is a kind of RRU of two-band networking and antenna subsystem that antenna element is formed supported in the prior art;
Fig. 2 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment one;
Fig. 3 a is the enlarged diagram of the first plug connector;
Fig. 3 b is the enlarged diagram of the second plug connector;
Fig. 4 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment two;
Fig. 5 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment three.
Embodiment
For making the purpose of this utility model and advantage clearer, the utility model is described in further detail below in conjunction with drawings and Examples.
The antenna subsystem that is applied to the two-band networking that the utility model provides comprises: antenna element, a RRU who is operated in different frequency range and the 2nd RRU.Wherein, be provided with the access device that is connected with the inner distributing point of antenna element in the antenna element, this access device is an external interface with the first plug connector and the 3rd plug connector; Be provided with the second plug connector among the one RRU, be provided with the 4th plug connector among the 2nd RRU; A described RRU plugs connection by first corresponding in described second plug connector and the described antenna element plug connector, and the 4th of described the 2nd RRU plugs in connector and the described antenna element the corresponding the 3rd and plugs connector and plug connection.
Antenna subsystem in the utility model places traditional shunt mixer on the antenna element, and cooperate the access device that constitutes in the antenna element with the coupling disc of antenna element, or built-in two sub antennas of antenna element, constitute the access device of antenna element by the coupling disc of two sub antennas, all adopt pluggable mode to be connected the RRU that is operated in two frequency ranges, will make the antenna subsystem in the utility model have the following advantages like this with antenna element:
1, the antenna subsystem with eight passages among the TD-SCDMA is an example, a RRU who is operated in frequency range 1 all is connected with antenna element by pluggable mode with the 2nd RRU that is operated in frequency range 2, need not radio frequency cable wire jumper, therefore each sector does not need the radio frequency cable, the construction working amount has significantly reduced, and reliability also improves thus.On the other hand, a RRU and the 2nd RRU all by unloading construction bolt, directly extracting and get final product, have reduced installation, maintenance cost.
2, antenna element and blind slotting connection of a RRU and the 2nd RRU, the antenna internal jumper shortens, and has therefore reduced the loss of radiofrequency signal.
3, mixer is integrated on the antenna element along separate routes, need not to consider the installation question of mixer along separate routes during construction, adds the minimizing of radio frequency number of cables, makes lower to the requirement of installation environment, installing space.
4, because the minimizing of radio frequency number of cables makes that the visual effect of antenna subsystem is better.
At the different execution modes of access device, introduce three specific embodiments of antenna subsystem in the utility model in detail below.
In three following embodiment, the port number N that the first plug connector, the second plug connector, the 3rd plug connector and the 4th plug connector have antenna subsystem respectively adds a craft port, and the craft port of the first plug connector equates with the craft port quantity of the described second plug connector, the position is corresponding, the joint butt joint, and the craft port of the 3rd plug connector equates with the craft port quantity of described the 4th plug connector, the position is corresponding and the joint butt joint.Therefore the blind plug of a RRU and antenna element can be realized by the first plug connector and the second plug connector, the blind plug of the 2nd RRU and antenna element can be realized by the 3rd plug connector and the 4th plug connector.
Above-mentioned N is the integer more than or equal to 2.
Embodiment one:
Fig. 2 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment one.
As shown in Figure 2, comprise antenna element 1 in the antenna subsystem, be operated in a RRU2 of frequency range one and be operated in the 2nd RRU 4 of frequency range two that above-mentioned antenna element 1 is installed on the pole 3 by accessory is installed.The back side of antenna element 1 is provided with and is respectively arranged with installing hole and the construction bolt 9 corresponding with described installation screw 14 on installation screw 14, the one RRU 2 that are used to install and fix a described RRU 2 and the 2nd RRU 4 and the 2nd RRU 4.The back side of antenna element 1 also is provided with support column 17, mainly plays coarse positioning and supporting role when a RRU 2 and the 2nd RRU 4 are installed, and the structure of this support column 17 belongs to known structure, repeats no more here.
Be provided with the access device that is connected with antenna element 1 inner distributing point in the antenna element 1, this access device comprises: the first antenna coupling disc 11, the second antenna coupling disc 12 and shunt mixer 13.
The first antenna coupling disc 11 is positioned at the outside at antenna element 1 back side, be provided with two groups of craft port, wherein the number of one group of craft port is that the port number N of antenna subsystem adds one and be connected with the craft port of the first plug connector 5, another group craft port is antenna element 1 internal interface, and the port number N of number and antenna subsystem is identical, and be connected with one group of craft port of shunt mixer 13 by the radio frequency cable of antenna element 1 inside.
Fig. 3 a and Fig. 3 b are respectively the enlarged diagram of a kind of first plug connector 5 and a kind of second plug connector 7, are that eight passages are example with antenna subsystem all in this two width of cloth figure.Shown in Fig. 3 a, the first plug connector 5 is positioned on the first antenna coupling disc 11, and interface end is towards a side that deviates from described antenna element 1, and the both sides of the first plug connector 5 also are provided with the position that 51, two smart pilot holes 52 of two thick guide fingers are positioned at the close first plug connector 5.Shown in Fig. 3 b, the interface end of the second plug connector 7 is towards a side that deviates from a RRU 2, and the both sides of the second plug connector 7 also are provided with the thick pilot hole 71 that cooperates with thick guide finger 51, reach the smart guide finger 72 that cooperates with smart pilot hole 51.Because the first plug connector that Fig. 3 a and Fig. 3 b illustrate respectively and the second plug connector belong to known structure of the prior art, therefore no longer describe in detail here.
The 3rd plug connector 5 ' and the 4th plug connector 7 ' structure with the above-mentioned first plug connector 5 and the second plug connector 7 respectively are identical, wherein the 3rd the plug connector 5 ' be positioned on the second antenna coupling disc 12 and interface end towards a side that deviates from antenna element 1, the 4th the plug connector 7 ' interface end towards a side that deviates from the 2nd RRU 4.
The second antenna coupling disc 12 is positioned at the outside at antenna element 1 back side, be provided with two groups of craft port, wherein the number of one group of craft port is that the port number N of antenna subsystem adds one and be connected with the craft port of the 3rd plug connector 5 ', another group craft port is antenna element 1 internal interface, and the port number N of number and antenna subsystem is identical, and be connected with one group of craft port of shunt mixer 13 by the radio frequency cable of antenna element 1 inside.
Along separate routes mixer 13 at antenna element 1 back side near between the outside, the described first antenna coupling disc 11 and the second antenna coupling disc 12 at middle part and with the second antenna coupling disc, 12 adjacent and shared housings so that interconnection between the two and waterproofing design.Along separate routes mixer 13 is provided with three groups of craft port with the port number N similar number of antenna subsystem, wherein two groups of craft port of mixer 13 are connected with one group of craft port wire jumper of the described first antenna coupling disc 11 and the second antenna coupling disc 12 by the radio frequency cable of antenna element 1 inside respectively along separate routes, the 3rd group of craft port of mixer 13 is connected with the distributing point of antenna element 1 inner each passage along separate routes, and the 3rd group of craft port is public craft port.Because the second antenna coupling disc 12 and shunt mixer 13 shared housings, and mixer 13 is positioned at middle part, the antenna back side along separate routes, make between the 2nd RRU 4 and the second antenna coupling disc 12, between the second antenna coupling disc 12 and between the shunt mixer 13, along separate routes wire jumper is the shortest between mixer 13 and the antenna feed point, and then reduced unnecessary cable loss.
In the present embodiment one, the first antenna coupling disc 11, the second antenna coupling disc 12 and shunt mixer 13 are a kind of preferable layouts, realize means based on difference, according to actual needs, the first antenna coupling disc 11, the particular location of the second antenna coupling disc 12 and shunt mixer 13 also can suitably be adjusted, such as, the first plug connector 5 is positioned at a RRU 2 when the top, side of the installment state shown in Fig. 2, the 3rd plug connector 5 ' is positioned at the 2nd RRU 4 when the top, side of the installment state shown in Fig. 2, the first antenna coupling disc 11 and shunt mixer 13 can adjacently design, and design is in a housing, the internal jumper of antenna element 1 is shorter like this, the cable loss is less, and this moment, the second antenna coupling disc 12 designed separately.Certainly, as internal jumper and the cable loss problem of not considering antenna element 1, can be under the situation of ignoring the first plug connector 5 and the 3rd plug connector 5 ' position, directly with the first antenna coupling disc 11 and mixer 13 adjacent designs along separate routes, an and shared housing.
The working method of the antenna subsystem in the present embodiment one is as follows: the multichannel radiofrequency signal that the first antenna coupling disc 11 and the second antenna coupling disc 12 receive respectively from a RRU 2 and the 2nd RRU 4 outputs to mixer 13 along separate routes, close the distributing point that outputs to antenna element 1 inside behind the road by shunt mixer 13, perhaps mixer 13 carries out the multi-channel wide band signal from antenna element 1 distributing point one by one along separate routes along separate routes, exports to a RRU 2 and the 2nd RRU 4 by the first antenna coupling disc 11 and the second antenna coupling disc 12 again.
Embodiment two:
Fig. 4 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment two.
As shown in Figure 4, comprise antenna element 1 in the antenna subsystem, be operated in a RRU2 of frequency range one and be operated in the 2nd RRU 4 of frequency range two that above-mentioned antenna element 1 is installed on the pole 3 by accessory is installed.The back side of antenna element 1 is provided with and is respectively arranged with installing hole and the construction bolt 9 corresponding with described installation screw 14 on installation screw 14, the one RRU 2 that are used to install and fix a described RRU 2 and the 2nd RRU 4 and the 2nd RRU 4.The back side of antenna element 1 also is provided with support column 17, mainly plays coarse positioning and supporting role when a RRU 2 and the 2nd RRU 4 are installed, and the structure of this support column 17 belongs to known structure, repeats no more here.
Be provided with the access device that is connected with antenna element 1 inner distributing point in the antenna element 1, this access device comprises: antenna coupling disc 11 and shunt mixer 13.
Along separate routes mixer 13 is positioned at the outside, adjacent with antenna coupling disc 11 positions at antenna element 1 back side, and antenna coupling disc 11 and shunt mixer 13 shared case design, so that interconnection between the two and waterproofing design.Mixer 13 is provided with three groups of craft port along separate routes, the number of every group of craft port is that the port number N of antenna subsystem adds one, wherein one group of craft port is connected with one group of craft port of described antenna coupling disc 11 by the radio frequency cable of antenna element 1 inside, and this group craft port is also referred to as the public craft port of shunt mixer 13.Another group craft port of mixer 13 is connected with the 3rd plug connector 5 ' by the radio frequency cable of antenna element 1 inside along separate routes, and the 3rd group of craft port is connected with the first plug connector 5.Because the first antenna coupling disc 11 and shunt mixer 13 shared housings, and antenna coupling disc 11 is positioned at the antenna back side near the middle part, make a RRU 2 and along separate routes between the mixer 13, along separate routes between mixer 13 and the antenna coupling disc 11, wire jumper is the shortest between antenna coupling disc 11 and the antenna feed point, and then reduced unnecessary cable loss.
The first plug connector 5, the second plug connector 7, identical among structure and the embodiment one of the 3rd plug connector 5 ' and the 4th plug connector 7 ', just in the present embodiment, the first plug connector 5 is positioned on the shunt mixer 13, and interface end is towards a side that deviates from antenna element 1, the interface end of the second plug connector 7 is towards a side that deviates from a RRU 2, the 3rd plug connector 5 ' has case design, be positioned at the outside at antenna element 1 back side, and interface end is towards a side that deviates from antenna element 1, and the interface end of the 4th plug connector 7 ' is towards a side that deviates from the 2nd RRU 4.
In the present embodiment two, antenna coupling disc 11 and shunt mixer 13 are a kind of preferable layouts, realize means based on difference, according to the installation site of actual RRU at the antenna back side, each plugs the upper-lower position of connector, the situations such as loss size of cable, and the particular location of antenna coupling disc 11 and shunt mixer 13 also can suitably be adjusted, such as, antenna coupling disc 11 and shunt mixer 13 also can be positioned at the 2nd RRU 4 one sides, and this moment first, plug connector 5 had case design.
The working method of the antenna subsystem in the present embodiment two is as follows: along separate routes mixer 13 receives respectively from the multichannel radiofrequency signal of a RRU 2 and the 2nd RRU 4 and closes the road, will close the distributing point that signal behind the road outputs to antenna element 1 inside by antenna coupling disc 11 again; Perhaps antenna coupling disc 11 will be exported to mixer 13 along separate routes from the multi-channel wide band signal of antenna element 1 inner distributing point, be undertaken exporting to a RRU 2 and the 2nd RRU 4 respectively after the shunt by shunt mixer 13.
Embodiment three:
Fig. 5 is the planar structure schematic diagram of the antenna subsystem among the utility model embodiment three.
As shown in Figure 5, comprise antenna element 1 in the antenna subsystem, be operated in a RRU2 of frequency range one and be operated in the 2nd RRU 4 of frequency range two that above-mentioned antenna element 1 is installed on the pole 3 by accessory is installed.The back side of antenna element 1 is provided with and is respectively arranged with installing hole and the construction bolt 9 corresponding with described installation screw 14 on installation screw 14, the one RRU 2 that are used to install and fix a described RRU 2 and the 2nd RRU 4 and the 2nd RRU 4.The back side of antenna element 1 also is provided with support column 17, mainly plays coarse positioning and supporting role when a RRU 2 and the 2nd RRU 4 are installed, and the structure of this support column 17 belongs to known structure, repeats no more here.
The operating frequency that is provided with first separate sub antenna 15 and second sub antenna, 16, the first sub antennas 15 in the antenna element 1 contains the operating frequency of a RRU 2, and the operating frequency of second sub antenna 16 contains the operating frequency of the 2nd RRU 4.
The access device that is provided with in the antenna element 1 comprises: the first antenna coupling disc 11 and the second antenna coupling disc 12.Wherein, corresponding with first sub antenna 15 is the first antenna coupling disc 11, corresponds to the second antenna coupling disc 12 with second sub antenna 16.
The first antenna coupling disc 11 is positioned at the outside at antenna element 1 back side, as far as possible near the medium position of first sub antenna 15, with the wire jumper loss to the first antenna coupling disc 11 of the distributing point that reduces first sub antenna 15.The first antenna coupling disc 11 is provided with first plug connector 5 and two groups of craft port, and wherein the first plug connector 5 is identical with structure among the embodiment one.The number of one group of craft port of the first antenna coupling disc 11 be the port number N of antenna subsystem add one and with first the plug connector 5 be connected, the number of another group craft port is identical with the port number N of antenna subsystem, is connected with the distributing point of first sub antenna 15.
The second antenna coupling disc 12 is positioned at the outside at antenna element 1 back side, the middle part of also close second sub antenna 16.The first antenna coupling disc 12 is provided with the 3rd plug connector 5 ' and two groups of craft port, and wherein the 3rd plug connector 5 ' is identical with structure among the embodiment one.The number of one group of craft port is that the port number N of antenna subsystem adds one and is connected with the 3rd plug connector 5 ', and another number of organizing craft port is identical with the port number N of antenna subsystem, is connected with the distributing point of second sub antenna 16.
The working method of the antenna subsystem in the present embodiment three is as follows: the first antenna coupling disc 11 receives from the multichannel radiofrequency signal of a RRU 2 and exports the distributing point of first sub antenna 15 to, and perhaps the first antenna coupling disc 11 receives from the multi-channel wide band signal of the distributing point of first sub antenna 15 and exports a RRU 2 to; The second antenna coupling disc 12 receives from the multichannel radiofrequency signal of the 2nd RRU 4 and exports the distributing point of second sub antenna 16 to, and perhaps the second antenna coupling disc 12 receives from the multi-channel wide band signal of the distributing point of second sub antenna 16 and exports the 2nd RRU 4 to.
In the various embodiments described above, be that socket end, the second plug connector are that plug end is an example all with the first plug connector, in other application scenarioss, also the first plug connector can be plugged connector as socket end as plug end, second, realize plug as long as they can cooperatively interact.
Among the foregoing description one and the embodiment two, mixer can adopt microstrip line mode or cavity mode to realize along separate routes, can certainly adopt other implementations according to actual needs, multichannel radiofrequency signal from different frequency range RRU is closed the road respectively, or the multi-channel wide band signal from antenna element is carried out one by one along separate routes.When selecting the shunt mixer of different implementations for use, need the different mounting means of corresponding selection that the shunt mixer is integrated in the antenna element.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (24)
1, a kind of antenna subsystem that is applied to the two-band networking comprises: antenna element, first Remote Radio Unit that is operated in different frequency range and second Remote Radio Unit; It is characterized in that,
Be provided with the access device that is connected with the inner distributing point of antenna element in the described antenna element, and plug connector as the first plug connector and the 3rd of described access device external interface;
Described first Remote Radio Unit is provided with the second plug connector as external interface, and described second Remote Radio Unit is provided with the 4th plug connector as external interface;
Described first Remote Radio Unit plugs connection by first corresponding in described second plug connector and the described antenna element plug connector, and the 4th of described second Remote Radio Unit plugs in connector and the described antenna element the corresponding the 3rd and plugs connector and plug connection.
2, antenna subsystem as claimed in claim 1, it is characterized in that, the port number that described first plug connector and the described second plug connector have antenna subsystem respectively adds a craft port, and the craft port of the described first plug connector equates with the craft port quantity of the described second plug connector, the position is corresponding and the joint butt joint;
The port number that described the 3rd plug connector and described the 4th plug connector have antenna subsystem respectively adds a craft port, and the craft port of described the 3rd plug connector equates with the craft port quantity of described the 4th plug connector, the position is corresponding and the joint butt joint.
3, antenna subsystem as claimed in claim 2 is characterized in that, described access device comprises: the first antenna coupling disc, the second antenna coupling disc and shunt mixer;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the craft port of the described first plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and the radio frequency cable that passes through antenna element inside be connected with one group of craft port of shunt mixer;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with the craft port of described the 3rd plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and links to each other with one group of craft port of shunt mixer by the radio frequency cable of antenna element inside;
Described shunt mixer is provided with three groups of craft port, all the port number with antenna subsystem is identical for the number of each group craft port, wherein two groups of craft port are connected with one group of craft port wire jumper of the described first antenna coupling disc and the second antenna coupling disc by the radio frequency cable of antenna element inside respectively, and the 3rd group of craft port connects the distributing point of inner each passage of antenna element.
4, antenna subsystem as claimed in claim 3 is characterized in that, the described first antenna coupling disc is positioned at the outside at the described antenna element back side, and the described second antenna coupling disc is positioned at the outside at the described antenna element back side;
Described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described second an antenna coupling disc and shared housing; Perhaps described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described first an antenna coupling disc and shared housing.
5, antenna subsystem as claimed in claim 3 is characterized in that, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
6, antenna subsystem as claimed in claim 2 is characterized in that, described access device comprises: antenna coupling disc and shunt mixer;
Described shunt mixer is provided with three groups of craft port, the port number that the number of each group craft port is antenna subsystem adds one, wherein one group of craft port is connected with the described first plug connector, the radio frequency cable of another group craft port by antenna element inside is connected with described the 3rd plug connector, and the radio frequency cable that the 3rd group of craft port passed through antenna element inside is connected with one group of craft port wire jumper of described antenna coupling disc;
Described antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with one group of craft port of described shunt mixer, and the number of another group craft port is identical with the port number of antenna subsystem and be connected with the distributing point of each passage of antenna element inside.
7, antenna subsystem as claimed in claim 6 is characterized in that, described antenna coupling disc is positioned at the outside of the described antenna element back side near the middle part; Described shunt mixer is positioned at the outside at the described antenna element back side, an and shared housing adjacent with described antenna coupling disc.
8, antenna subsystem as claimed in claim 6 is characterized in that, the described first plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit;
Perhaps, the described first plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
9, antenna subsystem as claimed in claim 2 is characterized in that, described antenna element comprises first sub antenna of containing the described first Remote Radio Unit operating frequency and contains second sub antenna of the described second Remote Radio Unit operating frequency;
Described access device comprises: the first antenna coupling disc and the second antenna coupling disc;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the described first plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of first sub antenna;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with described the 3rd plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of second sub antenna.
10, antenna subsystem as claimed in claim 9 is characterized in that, the described first antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described first sub antenna;
The described second antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described second sub antenna.
11, antenna subsystem as claimed in claim 9 is characterized in that, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of the described second plug connector is towards a side that deviates from described first Remote Radio Unit;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element; The interface end of described the 4th plug connector is towards a side that deviates from described second Remote Radio Unit.
As claim 3 or 6 described antenna subsystems, it is characterized in that 12, described shunt mixer is microstrip line mixer or a cavity shunt mixer along separate routes.
13, a kind of antenna element that is applied to the two-band networking, inside comprises distributing point; It is characterized in that this antenna element comprises:
The access device that is connected with described distributing point, the first plug connector and the 3rd that reaches as this access device external interface plug connector.
14, antenna element as claimed in claim 13 is characterized in that, the port number that described first plug connector and the 3rd plug connector have antenna subsystem adds a craft port.
15, antenna element as claimed in claim 14 is characterized in that, described access device comprises: the first antenna coupling disc, the second antenna coupling disc and shunt mixer;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the craft port of the described first plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and the radio frequency cable that passes through antenna element inside be connected with one group of craft port of shunt mixer;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with the craft port of described the 3rd plug connector, the number of another group craft port is identical with the port number of antenna subsystem, and links to each other with one group of craft port of shunt mixer by the radio frequency cable of antenna element inside;
Described shunt mixer is provided with three groups of craft port, all the port number with antenna subsystem is identical for the number of each group craft port, wherein two groups of craft port are connected with one group of craft port wire jumper of the described first antenna coupling disc and the second antenna coupling disc by the radio frequency cable of antenna element inside respectively, and the 3rd group of craft port connects the distributing point of inner each passage of antenna element.
16, antenna element as claimed in claim 15 is characterized in that, the described first antenna coupling disc is positioned at the outside at the described antenna element back side, and the described second antenna coupling disc is positioned at the outside at the described antenna element back side;
Described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described second an antenna coupling disc and shared housing; Perhaps described shunt mixer at the described antenna element back side near between the outside, the described first antenna coupling disc and the second antenna coupling disc at middle part and adjacent with the described first an antenna coupling disc and shared housing.
17, antenna element as claimed in claim 15 is characterized in that, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element.
18, antenna element as claimed in claim 14 is characterized in that, described access device comprises: antenna coupling disc and shunt mixer;
Described shunt mixer is provided with three groups of craft port, the port number that the number of each group craft port is antenna subsystem adds one, wherein one group of craft port is connected with the described first plug connector, the radio frequency cable of another group craft port by antenna element inside is connected with described the 3rd plug connector, and the radio frequency cable that the 3rd group of craft port passed through antenna element inside is connected with one group of craft port wire jumper of described antenna coupling disc;
Described antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and be connected with one group of craft port of described shunt mixer, and the number of another group craft port is identical with the port number of antenna subsystem and be connected with the distributing point of each passage of antenna element inside.
19, antenna element as claimed in claim 18, it is characterized in that, described shunt mixer is positioned at the outside at the described antenna element back side, and described antenna coupling disc is positioned at the outside, with described shunt the mixer adjacent and shared housing of the described antenna element back side near the middle part.
20, antenna element as claimed in claim 18 is characterized in that, the described first plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element;
Described the 3rd plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element;
Perhaps, the described first plug connector has housing, is positioned at the outside at the described antenna element back side, and interface end is towards a side that deviates from antenna element;
Described the 3rd plug connector is positioned on the described shunt mixer, and interface end is towards a side that deviates from antenna element.
21, antenna element as claimed in claim 14 is characterized in that, described antenna element comprises first sub antenna of containing the described first Remote Radio Unit operating frequency and contains second sub antenna of the described second Remote Radio Unit operating frequency;
Described access device comprises: the first antenna coupling disc and the second antenna coupling disc;
The described first antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with the described first plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of first sub antenna;
The described second antenna coupling disc is provided with two groups of craft port, wherein the number of one group of craft port is that the port number of antenna subsystem adds one and is connected with described the 3rd plug connector, and the port number of another number of organizing craft port and antenna subsystem is identical and be connected with the distributing point of second sub antenna.
22, antenna element as claimed in claim 21 is characterized in that, the described first antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described first sub antenna;
The described second antenna coupling disc is positioned at the outside at the described antenna element back side and the middle part of close described second sub antenna.
23, antenna element as claimed in claim 21 is characterized in that, described first the plug connector be positioned on the described first antenna coupling disc and interface end towards a side that deviates from antenna element;
Described the 3rd the plug connector be positioned on the described second antenna coupling disc and interface end towards a side that deviates from antenna element.
As claim 15 or 18 described antenna elements, it is characterized in that 24, described shunt mixer is microstrip line mixer or a cavity shunt mixer along separate routes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097865U CN201430214Y (en) | 2009-07-02 | 2009-07-02 | Antenna subsystem and antenna unit applied in double-frequency section networking, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201097865U CN201430214Y (en) | 2009-07-02 | 2009-07-02 | Antenna subsystem and antenna unit applied in double-frequency section networking, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430214Y true CN201430214Y (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201097865U Expired - Lifetime CN201430214Y (en) | 2009-07-02 | 2009-07-02 | Antenna subsystem and antenna unit applied in double-frequency section networking, |
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| Country | Link |
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| CN (1) | CN201430214Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794042A (en) * | 2014-02-24 | 2016-07-20 | 株式会社Kmw | Multi-band antenna apparatus |
-
2009
- 2009-07-02 CN CN2009201097865U patent/CN201430214Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794042A (en) * | 2014-02-24 | 2016-07-20 | 株式会社Kmw | Multi-band antenna apparatus |
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Granted publication date: 20100324 |