CN101888023A - Antenna equipment shared by multiple systems - Google Patents
Antenna equipment shared by multiple systems Download PDFInfo
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- CN101888023A CN101888023A CN2009100843139A CN200910084313A CN101888023A CN 101888023 A CN101888023 A CN 101888023A CN 2009100843139 A CN2009100843139 A CN 2009100843139A CN 200910084313 A CN200910084313 A CN 200910084313A CN 101888023 A CN101888023 A CN 101888023A
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Abstract
The invention discloses antenna equipment shared by multiple systems, which aims to solve the problems of signal loss caused by the introduction of a combiner in the conventional multi-system antenna fusion technology and roof resource shortage. In an antenna array of the antenna equipment, a part of the array is used for receiving and transmitting signals of a fourth generation or second generation mobile communication system, and antenna ports corresponding to the array are used for connecting master devices of the fourth generation or second generation mobile communication system; and in the antenna array of the antenna equipment, the rest part of the array is used for receiving and transmitting signals of a third generation mobile communication system, and antenna ports corresponding to the array are used for connecting master devices of the third generation mobile communication system.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of shared antenna equipment of multiple mobile communication system that is total to.
Background technology
Along with the mobile communication technology development, future except synchronous CDMA (Code Division Multiple Access) (3G TD-SCDMA) network of the third generation time-division that second generation global system for mobile communications (2G GSM) network is arranged and building, the 4th time-division in generation Long Term Evolution (4G TD-LTE) network also will appear at present.In this case, the network development situation that multiple communication standard will inevitably occur and deposit.Three kinds of present communication standards all have independently antenna-feedback system, and the frequency range difference that adopts is also very big.But, have the network of 2G, many kinds of standards of 3G owing to a plurality of operations commercial city at present, and consider follow-up evolution, the antenna feeder quantity of following terrace will be very surprising, if do not adopt antenna feeder integration technology or shared antenna technology, each sub-district direction of following terrace will have 5 more than at most.If consider the multi-operator networking, this situation will cause terrace resource exception anxiety, greatly delay construction progress.
The warm scheme of present antenna feeder is on original TD-CDMA smart antenna basis, and 2 ports (port) of choosing wherein close road TD-LTE antenna, thereby realizes TD-CDMA antenna and TD-LTE antenna duplexer feeder line.As shown in Figure 1, for having TD-CDMA antenna and the TD-LTE antenna schematic diagram of feeder line altogether now, wherein, the TD-CDMA antenna has 8 ports, 6 ports wherein are connected with TD-CDMA main equipment (as the base station) 105, (Port 1 for 2 ports in addition, Port 2) be connected with road device 103, also be connected in the port of TD-LTE antenna with road device 103, with road device 103 be connected with road device 104, be connected TD-CDMA system master 105 and TD-LTE system master (as the base station) 106 respectively with two outputs of road device 104, like this, TD-CDMA antenna and TD-LTE antenna are by realizing feeder line altogether with the road device, but, can produce certain loss with the road device to signal, can influence feeder signals quality and performance, and still there is the problem of terrace resource anxiety in the warm mode of this antenna feeder.
Summary of the invention
The embodiment of the invention provides a kind of antenna equipment of shared by multiple systems, solving the problem that there is terrace resource anxiety in the existing warm technology of multisystem antenna, and because of introducing and the problem of the loss of signal that the road device is brought.
In the aerial array of the antenna equipment of the shared by multiple systems that the embodiment of the invention provides, in the aerial array of described antenna equipment, part array is used for the signal transmitting and receiving of the 4th generation or second generation mobile communication system, and the antenna port corresponding with this array is used to connect the main equipment of the 4th generation or second generation mobile communication system; The array of remainder is used for the signal transmitting and receiving of 3-G (Generation Three mobile communication system), and the antenna port corresponding with this array is used to connect the main equipment of 3-G (Generation Three mobile communication system).
The above embodiment of the present invention, by in an antenna equipment, being provided for carrying out the aerial array of the 4th generation or second generation mobile communication system signal transmitting and receiving, and the aerial array that is used to carry out the 3-G (Generation Three mobile communication system) signal transmitting and receiving, thereby realized many communication systems common antenna, saved the terrace resource.In addition, by be connected the main equipment of the 4th generation or second generation mobile communication system with the pairing antenna port of aerial array that is used to carry out the 4th generation or second generation mobile communication system signal transmitting and receiving, and by be connected the main equipment of 3-G (Generation Three mobile communication system) with the pairing antenna port of aerial array that is used to carry out the 3-G (Generation Three mobile communication system) signal transmitting and receiving, compared with prior art, avoid the use with the road device, thereby avoided the loss of signal that brings thus.
Description of drawings
Fig. 1 is total to the schematic diagram of feeder line for existing TD-SCDMA antenna and TD-LTE antenna;
Fig. 2 A and Fig. 2 B are the array layout schematic diagram of the antenna equipment that the embodiment of the invention provided;
Fig. 3 is the electric mode transfer piece schematic diagram of the antenna equipment that the embodiment of the invention provided;
Fig. 4 is one of electric mode transfer piece internal structure schematic diagram of the antenna equipment that the embodiment of the invention provided;
Fig. 5 is two of the electric mode transfer piece internal structure schematic diagram of the antenna equipment that the embodiment of the invention provided.
Embodiment
At the problem that prior art exists, the embodiment of the invention adopts the shared antenna mode, by TD system antenna array and LTE (or GSM) aerial array are set on an antenna equipment, thereby realizes TD system and LTE (or GSM) system common antenna.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Referring to Fig. 2 A and Fig. 2 B, be the array layout schematic diagram of the antenna equipment that the embodiment of the invention provided.Antenna equipment shown in Fig. 2 A is an example with the antenna equipment of 8 antennas, and the array of this antenna equipment is 6 * 8 arrays, that is, a period of time layout in the array is 8 row, 6 row, and each leu is numbered the 1st, 2,3,4,5,6 row.Wherein:
The a period of time that is in the 2nd, 3,4,5 row is to adopt based on the AB frequency range (radiating element of 1880～2025MHz) designs, the main equipment of pairing antenna port of these arrays and 3G TD system (as TD-SCDMA or TD-CDMA system), connect as base station or RRU (Remote Radio Unit in the distributed base station) equipment, thereby a period of time that makes these row is used for the transmitting-receiving of 3G TD system signal, uses with the air feedback unit as 3G TD system.
The a period of time that are in the 1st, 6 row adopt based on C frequency range (2300～2400MHz) or the radiating element of 1700～2700MHz frequency range design, pairing antenna port of these arrays and 4G LTE system (as TD-LTE or FDD-LTE system) or the 2G gsm system (preferably, GSM 1800MHz) main equipment of system (as base station equipment) connects, can be used for 4G LTE system or 2G gsm system signal transmitting and receiving, use with air feedback unit as 4G LTE system or 2G gsm system (following table is shown the LTE/GSM system).
Antenna equipment shown in Fig. 2 B is an example with the antenna equipment of 8 antennas, and the array of this antenna equipment is 5 * 8 arrays, wherein:
The a period of time that is in the 1st, 2,3,4 row is the radiating element that adopts based on the design of AB frequency range, the pairing antenna port of these arrays is connected with the main equipment of 3G TD system (as TD-SCDMA or TD-CDMA system), thereby a period of time that makes these row is used for the transmitting-receiving of 3G TD system signal, uses with the air feedback unit as 3G TD system.
Be in the radiating element of a period of time employing of the 5th row based on C frequency range or the design of 1700～2700MHz frequency range, the pairing antenna port of these arrays is connected with the main equipment of 4G LTE system (as TD-LTE or FDD-LTE system) or 2G gsm system (as GSM 1800MHz system), can be used for the transmitting-receiving of LTE/GSM system signal, use with air feedback unit as the LTE/GSM system.
Need to prove, above embodiment of the present invention is that example is described with 6 * 8 and 5 * 8 aerial array only, aerial array for other m * n, also can adopt similar fashion to realize the multisystem shared antenna, promptly, be positioned at outermost row or two column arrays aerial array in the aerial array with m * n, with the aerial array of all the other aerial arrays as the TD system as the LTE/GSM system.
In order to ensure the consistency and the symmetry of the final figuration effect of the pairing aerial array of TD system, in the embodiment of the invention the pairing aerial array of LTE/GSM system is arranged on the both sides of array, will help guaranteeing this symmetric requirement.In addition, the pairing aerial array of LTE/GSM system is arranged on both sides also helps guaranteeing to greatest extent spatial separation between pairing two arrays of TD system and LTE/GSM system, this will be better for the LTE network performance.Certainly, if adopt the poliarizing antenna mode, it also is feasible that the pairing array of LTE/GSM system is arranged on the same side.
In the antenna equipment that the embodiment of the invention provided, a period of time in the pairing array of LTE/GSM system can all be adopted the perpendicular polarization mode, if the pairing array of LTE/GSM system has 2 row, then also can adopt respectively this 2 array+45 degree and-45 degree polarization modes are (as adopting+45 degree polarization modes to wherein array, another array adopts-45 degree polarization modes, and vice versa); Can adopt the polarization mode of present TD system antenna array for a period of time of the pairing array of TD system, as dual polarization a period of time.
In the antenna equipment that the embodiment of the invention provided, support the aerial array of different system to design according to one of following designing requirement:
The pairing array of LTE/GSM system can adopt than the pairing array of TD system has the more array of wide bandwidth, such as a period of time of, the pairing array of LTE/GSM system adopt can support the radiating element of 1760MHz～2400MHz bandwidth or more the radiating element of high bandwidth (as 1700MHz～2700MHz).Like this, the pairing array of LTE/GSM can both be supported the bandwidth requirement of LTE system, supported the bandwidth requirement of gsm system again, thereby the antenna equipment that the embodiment of the invention is provided can be supported TD system, LTE system and gsm system;
Realize the isolation of 1-2 λ between the pairing array of pairing array of LTE/GSM system and TD system, to reduce the phase mutual interference between the two class arrays;
At the antenna port design aspect, make the port of LTE/GSM systems array have the cross polarization higher and compare index than the port of TD systems array, such as, the cross polarization of the port of LTE/GSM systems array is than more than 25dB, and the cross polarization of the port of TD systems array is than just can more than 20dB.This be because: the LTE system is good more to the low more then LTE of the requirement systematic function of antenna channel correlation, is about 0.5 as coefficient correlation; And,, must guarantee certain correlation between the aerial array owing to adopt the wave beam forming technology for the TD-SCDMA system, be about 0.7 as coefficient correlation; Simulation result shows that the correlation of existing TD-SCDMA antenna can't satisfy the LTE system requirements fully, and the TD-LTE antenna is higher for the requirement of channel independence, corresponds to the concrete electric index of antenna---the index of cross polarization ratio also can be higher.Like this, design by the differentiation to the pairing antenna port of different system in the embodiment of the invention, do not take this differentiation design than prior art, then the antenna equipment that the embodiment of the invention provided can satisfy the requirement of different system to correlation, thereby makes network performance reach optimum.
Antenna equipment shown in Fig. 2 A or Fig. 2 B can obtain by traditional TD-SCDMA antenna is transformed, as, obtain the antenna equipment shown in Fig. 2 A thereby increase new array on the both sides of traditional TD-SCDMA aerial array.In order to guarantee that newly-increased array element can excessively not have influence on the entire area of antenna, can between each array, adopt the design of more tightening spacing, such as reducing to 65mm from 75mm, the width of reduction will be used for the expense of newly-increased array.
In the antenna equipment that the embodiment of the invention provided, the aerial array that is used for the LTE/GSM system can adopt supports the design of wide band electricity accentization, and like this, corresponding system can adjust lower decline angle individually, optimizes respectively to help network.Be example with the antenna equipment shown in Fig. 2 A below, describe the adjustment that realizes aerial array a period of time lower decline angle by electric mode transfer piece, the implementation that the electric mode transfer piece of the antenna equipment of other array layouts that the embodiment of the invention provided and lower decline angle are adjusted similarly.
In the antenna equipment shown in Fig. 2 A, can adjust the 1st in the aerial array, 6 array respectively by 2 independently electric mode transfer pieces, and the lower decline angle of the 2nd, 3,4,5 array.As shown in Figure 3, electricity mode transfer piece 301 is electrically connected with the 1st, 6 arrays, and can adjust the lower decline angle of the 1st, 6 array according to the control signal that receives, thereby realize the lower decline angle in aerial array a period of time of being used for the LTE/GSM system is adjusted, and can adopt and support the design of wide band electricity accentization; Electricity mode transfer piece 302 is electrically connected with the 2nd, 3,4,5 arrays, and can adjust the lower decline angle of the 2nd, 3,4,5 array according to the control signal that receives, thereby realization is adjusted the lower decline angle in aerial array a period of time of being used for the TD-SCDMA system.In this manner, electric mode transfer piece 301 is similar with the internal structure of electric mode transfer piece 302, can be as shown in Figure 4.Inside at electric mode transfer piece 301 shown in Figure 4, comprise the control unit 401 and the phase shifter 402 that are connected in series, wherein, control unit 401 can receive control signal from the control signal receiving port of antenna equipment, as receive the control signal that the TD-SCDMA system master sends, perhaps receive the control signal that the LTE/GSM system master sends, then it is resolved and the control signal that parses is transferred to phase shifter 402, after phase shifter 402 carries out the phase shift processing with the signal that receives, inner feeder by antenna equipment exports to the 1st respectively, a period of time of 6 arrays, thus adjust the 1st, the lower decline angle in a period of time of 6 arrays.In like manner, electricity mode transfer piece 302 also can receive control signal, as receive the TD-SCDMA system master, perhaps receive the control signal and the parsing of the output of LTE/GSM system master, and the control signal that parses is transferred to the 2nd, 3,4,5 array to adjust its lower decline angle.
In the antenna equipment shown in Fig. 2 A, also can pass through 1 electric mode transfer piece respectively to the 1st, 6 array, and the 2nd, 3,4,5 array carry out the adjustment of lower decline angle.As shown in Figure 5, the inside of this electricity mode transfer piece comprises control unit 501 and the phase shifter 502 that is connected in series, and control unit 503 that is connected in series and phase shifter 504, and between control unit 501 and control unit 503, go back direct connection joint control unit 505 is arranged, wherein, phase shifter 502 and the 1st, 6 arrays are electrically connected, phase shifter 504 and the 2nd, 3,4,5 arrays are electrically connected, a control unit in two control units can receive the control signal that is used to adjust aerial array a period of time lower decline angle, is that control unit 501 receives control signals among Fig. 5.When control unit 501 receive be used to adjust the control signal of aerial array electrical tilt after, judge that this control signal is the control signal that is used to adjust the TD-SCDMA aerial array, still adjust the control signal of LTE/GSM system antenna array, if the former, then this signal is transferred to control unit 503 by joint control unit 505, and be transferred to phase-shifting unit 504 by control unit 503, undertaken being transferred to for the 2nd, 3,4,5 a period of time that are listed as respectively after phase shift is handled by 504 pairs of control signals that receive of phase-shifting unit, to adjust its lower decline angle; If judging this control signal is the control signal that is used to adjust LTE/GSM system antenna array, then this control signal is transferred to phase shifter 502, undertaken being transferred to for the 1st, 6 a period of time that are listed as respectively after phase shift is handled by phase shifter 502, to adjust its lower decline angle.Control unit 501 can receive the system master from TD-SCDMA, the perhaps control signal of LTE/GSM system master or other remote control equipments, portability indication information in the control signal, be used to indicate control signal to be used to adjust the TD-SCDMA system antenna, still be used to adjust the LTE/GSM system antenna.By electric mode transfer piece shown in Figure 5, can adopt the control signal that successively sends respectively at two kinds of system antenna arrays, adjust the lower decline angle in these two kinds of system antenna array a period of time respectively, compare the interface that to save electric mode transfer piece and system master with electric mode transfer piece shown in Figure 4.
In sum, the antenna equipment that the embodiment of the invention provided, can be TD system (comprising systems such as TD-CDMA, TD-SCDMA), and LTE/GSM system (the LTE system comprises systems such as TD-LTE, FDD-LTE) has realized the fusion in the antenna feeder side of 2G, 3G, 4G system by individual antenna equipment, for a large amount of direct costs and indirect cost have been saved in networking, saved the terrace resource, and be not total to feeder line because the embodiment of the invention need not be used with the road device, thereby avoided because of the signal loss problem of introducing and the road device is brought.In addition, adjust the mode at inclination angle separately with other system, help network and optimize respectively owing to realized the 3G system.Have, the antenna equipment that the embodiment of the invention provided is with respect to the other system antenna again, and antenna size changes less, can not bring how extra difficulty to construction.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the antenna equipment of a shared by multiple systems, it is characterized in that, in the aerial array of described antenna equipment, part array is used for the signal transmitting and receiving of the 4th generation or second generation mobile communication system, and the antenna port corresponding with this array is used to connect the main equipment of the 4th generation or second generation mobile communication system; The array of remainder is used for the signal transmitting and receiving of 3-G (Generation Three mobile communication system), and the antenna port corresponding with this array is used to connect the main equipment of 3-G (Generation Three mobile communication system).
2. antenna equipment as claimed in claim 1, it is characterized in that, be used for the adjacent setting of each aerial array of 3-G (Generation Three mobile communication system) signal transmitting and receiving, the aerial array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving is positioned at a side of all aerial arrays that are used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving or is respectively in both sides.
3. antenna equipment as claimed in claim 1 is characterized in that, is used for the array of the 4th generation or second generation mobile communication system signal transmitting and receiving and is used between the array of 3-G (Generation Three mobile communication system) signal transmitting and receiving the distance of 1 λ at least at interval.
4. antenna equipment as claimed in claim 1 is characterized in that, a period of time that is used for the array of the 4th generation or second generation mobile communication system signal transmitting and receiving is all adopted the perpendicular polarization mode;
Perhaps, the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving has two row, and be respectively in the both sides of all aerial arrays that are used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, wherein a period of time of an array is adopted+45 degree polarization modes, and another array a period of time is adopted-45 degree polarization modes.
5. antenna equipment as claimed in claim 1 is characterized in that, is used for the bandwidth that a period of time of the aerial array of the 4th generation or second generation mobile communication system signal transmitting and receiving supports and comprises 1760MHz～2400MHz at least.
6. antenna equipment as claimed in claim 1, it is characterized in that, the pairing antenna port of array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving has the cross polarization ratio higher than the pairing antenna port of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving.
7. as each described antenna equipment of claim 1～6, it is characterized in that, also comprise:
The first electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, was used to receive first control signal, and the lower decline angle in a period of time that is connected with this module according to the adjustment of this control signal;
The second electric mode transfer piece, this module was electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, was used to receive second control signal, and the lower decline angle in a period of time that is connected with this module according to the adjustment of this control signal.
8. antenna equipment as claimed in claim 7 is characterized in that, the described first electric mode transfer piece comprises:
First control unit is used to receive first control signal and resolves;
First phase shifter is used to receive the control signal that first control unit parses, and it is carried out sending to each a period of time that is connected with the described first electric mode transfer piece respectively after phase shift is handled;
The described second electric mode transfer piece comprises:
Second control unit is used to receive second control signal and resolves;
Second phase shifter is used to receive the control signal that second control unit parses, and it is carried out sending to each a period of time that is connected with the described second electric mode transfer piece respectively after phase shift is handled.
9. as each described antenna equipment of claim 1～6, it is characterized in that, also comprise the 3rd electric mode transfer piece with 2 control signal output ends and a signal input end, wherein, first control signal output ends was electrically connected with a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving, and second control signal output ends was electrically connected with a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving;
The described the 3rd electric mode transfer piece, be used for receiving control signal by signal input end, and when this control signal be when adjusting the control signal of lower decline angle in a period of time of the array be used for the 4th generation or second generation mobile communication system signal transmitting and receiving, to transmit control signal to connected a period of time by first control signal output ends; And, when this control signal is when adjusting the control signal of lower decline angle in a period of time of the array be used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, to transmit control signal to connected a period of time by second control signal output ends.
10. antenna equipment as claimed in claim 9 is characterized in that, the described the 3rd electric mode transfer piece comprises: the 3rd control unit, the 3rd phase-shifting unit, joint control unit, the 4th control unit and the 4th phase-shifting unit, wherein:
The 3rd control unit is used to receive control signal, and when described control signal be when adjusting the control signal of lower decline angle in a period of time of the array be used for the 4th generation or second generation mobile communication system signal transmitting and receiving, to send it to the 3rd phase-shifting unit; And, when described control signal is when adjusting the control signal of lower decline angle in a period of time of the array be used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving, to send it to the joint control unit;
The 3rd phase-shifting unit is used to receive the control signal that the 3rd control unit sends, and it is carried out sending to after phase shift is handled a period of time of the array that is used for the 4th generation or second generation mobile communication system signal transmitting and receiving that is connected with this phase-shifting unit;
The joint control unit is used to transmit the control signal that receives;
The 4th control unit is used to receive the control signal of joint control unit forwards and sends it to the 4th phase-shift unit;
The 4th phase-shifting unit is used to receive the control signal that the 4th control unit sends, and it is carried out sending to after phase shift is handled a period of time of the array that is used for the 3-G (Generation Three mobile communication system) signal transmitting and receiving that is connected with this phase-shifting unit.
11. as each described antenna equipment of claim 1～6, it is characterized in that, described second generation mobile communication system is the global system for mobile communications gsm system, described 3-G (Generation Three mobile communication system) is a TD SDMA TD-SCDMA system, and described the 4th third-generation mobile communication system is a Long Term Evolution LTE system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910084313 CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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|---|---|---|---|
| CN 200910084313 CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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| CN101888023A true CN101888023A (en) | 2010-11-17 |
| CN101888023B CN101888023B (en) | 2013-02-13 |
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| CN 200910084313 Expired - Fee Related CN101888023B (en) | 2009-05-15 | 2009-05-15 | Antenna equipment shared by multiple systems |
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| CN102931489A (en) * | 2012-10-29 | 2013-02-13 | 华为技术有限公司 | Electrically regulated antenna system and electric regulation method |
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| CN104661231B (en) * | 2013-11-25 | 2018-12-14 | 中国电信股份有限公司 | The system and method for realizing CDMA EVDO and CDMA 1X separation control |
| CN108886399A (en) * | 2016-07-27 | 2018-11-23 | 华为技术有限公司 | A kind of active antenna system, base station and communication system |
| CN108886399B (en) * | 2016-07-27 | 2020-10-27 | 华为技术有限公司 | Active antenna system, base station and communication system |
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| CN101888023B (en) | 2013-02-13 |
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