CN103715521A - Active-passive integrated antenna apparatus and base station - Google Patents
Active-passive integrated antenna apparatus and base station Download PDFInfo
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- CN103715521A CN103715521A CN201210377593.4A CN201210377593A CN103715521A CN 103715521 A CN103715521 A CN 103715521A CN 201210377593 A CN201210377593 A CN 201210377593A CN 103715521 A CN103715521 A CN 103715521A
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Abstract
The embodiment of the invention provides an active-passive integrated antenna apparatus and a base station. The active-passive integrated antenna apparatus comprises an active antenna unit and a passive antenna unit. The active antenna unit includes: a first interface, which is used for receiving an active antenna signal and an electric modulation signal, sending the active antenna signal to an active antenna oscillator and sending the electric modulation signal to the passive antenna unit; and a passive antenna oscillator, which is used for transmitting a passive antenna signal. The passive antenna unit includes: a second interface, which is used for receiving a passive antenna signal and an electric modulation signal, sending the passive antenna signal to a passive antenna oscillator, and adjusting an antenna beam downward inclination angle in the passive antenna unit according to the electric modulation signal; and the passive antenna oscillator, which is used for transmitting the passive antenna signal. According to the apparatus and the base station, the active-passive integrated antenna structure can be simplified and electric modulation signal transmission reliability can be improved.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relates in particular to a kind of active and passive integrated antenna assembly and base station.
Background technology
Due to AAS(Active Antenna System, active antenna system) there is flexible wave beam forming ability, be convenient to the advantage of the aspects such as Long-distance Control, management, now communication base station antenna is from conventional P AS(Passive Antenna System, passive antenna system) to AAS evolution.But existing number of base stations is huge, short-term cannot be replaced with AAS the PAS of all base stations, and in order to guarantee the good operation of existing network, conventionally uses the active and passive integrated antenna of AAS and PAS integrated design to carry out transition.
In prior art, in AAS and PAS integral antenna, AAS is used CPRI(the CommonPublic Radio Interface, common public radio interface) receive active antenna signal, this active antenna signal comprises data message and control information, PAS receives passive antenna signal and electric tonal signal by cable, yet, electricity tonal signal need to pass through OOK(On-Off-Keying, on-off keying) after modulation, could send to PAS by cable, after needing electric tonal signal to receiving to carry out demodulation in PAS, controlled signal is to adjust the antenna beam angle of declination in PAS.Therefore, in existing AAS and PAS integral antenna, the electric tonal signal of PAS part need to pass through the process of modulation /demodulation, thereby makes antenna device arrangement more complicated, and reliability is not high.
Summary of the invention
The embodiment of the present invention provides a kind of active and passive integrated antenna assembly and base station, to reduce the complexity of active and passive integrated antenna structure, improves the reliability of electric tonal signal transmission.
On the one hand, the embodiment of the present invention provides a kind of active and passive integrated antenna assembly, comprise: active antenna unit and passive element array, described active antenna unit comprises first interface and AAE active antenna element, described passive element array comprises the second interface and passive antenna oscillator;
Described first interface, for receiving active antenna signal and electric tonal signal, is sent to described AAE active antenna element by described active antenna signal, and described electric tonal signal is sent to described passive element array;
Described AAE active antenna element, for launching described active antenna signal;
Described the second interface, for receiving passive antenna signal and described electric tonal signal, is sent to described passive antenna oscillator by described passive antenna signal, according to described electric tonal signal, adjusts the antenna beam angle of declination in described passive element array;
Described passive antenna oscillator, for launching described passive antenna signal.
In conjunction with first aspect, in the active and passive integrated antenna assembly that the embodiment of the present invention provides, also comprise: passive electronic driving signal generating unit, the described electric tonal signal sending for receiving described first interface, according to described electric tonal signal, generate control signal, described control signal is for adjusting the antenna beam angle of declination of described passive element array.
In conjunction with first aspect, in the active and passive integrated antenna assembly that the embodiment of the present invention provides, described active antenna unit also comprises: signal separation unit;
Described first interface, specifically for receiving described active antenna signal and described electric tonal signal, and is sent to described signal separation unit by described active antenna signal and described electric tonal signal;
Described signal separation unit, for separating of described active antenna signal and described electric tonal signal.
In conjunction with first aspect, in the active and passive integrated antenna assembly that the embodiment of the present invention provides, described first interface is base band-radio frequency interface;
Described base band-radio frequency interface is the interface for direct transmission base band.
In conjunction with first aspect, in the active and passive integrated antenna assembly that the embodiment of the present invention provides, described first interface receives described electric tonal signal by the optical cable being connected with baseband processing unit BBU; Or described first interface receives described electric tonal signal by the optical cable being connected with RF remote unit RRU.
On the other hand, the embodiment of the present invention also provides a kind of base station, comprises the active and passive integrated antenna assembly that at least one embodiment of the present invention provides, and also comprises: at least one RF remote unit RRU and at least one baseband processing unit BBU;
Described BBU, for generation of active antenna signal, passive antenna signal and electric tonal signal, and sends to described active antenna unit by described active antenna signal and described electric tonal signal, and described passive antenna signal is sent to described RRU;
Described RRU sends to described passive element array after the described passive antenna signal receiving is converted to radiofrequency signal.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, described BBU passes through described active antenna unit by described RRU by described active antenna signal and described electric tonal signal.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, if described BBU passes through described active antenna unit by described RRU by described active antenna signal and described electric tonal signal, described RRU sends to described active antenna unit by the first optical cable being connected with described active antenna unit by described active antenna signal and described electric tonal signal.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, described BBU is by the second optical cable being connected with described RRU, described active antenna signal and described electric tonal signal are sent to described RRU, so that described RRU sends to described active antenna unit by described active antenna signal and described electric tonal signal.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, comprise at least two described active and passive integrated antenna assemblies and at least two described RRU, described RRU is corresponding one by one with described active and passive integrated antenna assembly, between at least two described RRU, connects;
Described BBU described at least one, specifically for producing active antenna signal and the electric tonal signal of at least two described active and passive integrated antenna assemblies, and at least two described active antenna signal and electric tonal signals active and passive integrated antenna assembly are sent to any RRU at least two described RRU;
Any RRU in described at least two described RRU, specifically for sending to other RRU at least two described RRU by least two described active antenna signal and electric tonal signals active and passive integrated antenna assembly.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, in the active antenna signal of at least two described active and passive integrated antenna assemblies, carry the first sign, described the first sign is used to indicate the described active and passive integrated antenna assembly of described correspondence.
In conjunction with second aspect, in the base station that the embodiment of the present invention provides, in the electric tonal signal of at least two described active and passive integrated antenna assemblies, carry the second sign, described the second sign is used to indicate the described active and passive integrated antenna assembly of described correspondence.
Active and passive integrated antenna assembly and the base station of the embodiment of the present invention, by using active antenna unit to receive the electric tonal signal of passive element array, and send electric tonal signal to passive element array, passive element array is adjusted passive antenna downwards bevel beam angle according to this electricity tonal signal, realized passive antenna electricity tonal signal without being sent to passive antenna through modem procedue, reduce the complexity of integral antenna structure, improve the reliability of electric tonal signal transmission.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of active and passive integrated antenna assembly embodiment mono-provided by the invention;
Fig. 2 is the structural representation of active and passive integrated antenna assembly embodiment bis-provided by the invention;
Fig. 3 is the structural representation of active and passive integrated antenna assembly embodiment tri-provided by the invention;
Fig. 4 is the structural representation of active and passive integrated antenna assembly embodiment tetra-provided by the invention;
Fig. 5 is the structural representation of active and passive integrated antenna assembly embodiment five provided by the invention;
Fig. 6 is the structural representation of base station embodiment mono-provided by the invention;
Fig. 7 is the structural representation of base station embodiment bis-provided by the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of active and passive integrated antenna assembly embodiment mono-provided by the invention, as shown in Figure 1, active and the passive integrated antenna assembly 11 of the present embodiment comprises: active antenna unit 21 and passive element array 22, active antenna unit 21 comprises first interface 31 and AAE active antenna element 32, and passive element array 22 comprises the second interface 33 and passive antenna oscillator 34.
Particularly, the active antenna signal that active antenna unit 21 receives by first interface 31 comprises the information that all active antennas unit such as base-band information, control information 21 needs are used, wherein base-band information comprises the data message that need to launch by active antenna unit 21, after above-mentioned base-band information is transferred in active antenna unit 21, through the transceiver in active antenna unit 21, be modulated to radiofrequency signal, by first interface 31, send to AAE active antenna element 32; Control information, for adjusting weights and the phase place of the transceiver of active antenna unit 21, is adjusted active antenna wave beam thereby realize.Concrete, adjusting active antenna wave beam can comprise: adjust antenna beam angle of declination, beamwidth and horizontal beam and point to etc.
In the embodiment of the present invention, active antenna unit 21 can also receive electric tonal signal by first interface 31, comprises the relevant information that passive antenna downwards bevel beam angle is adjusted in this electricity tonal signal; Active antenna unit 21 is sent to the second interface 33 in passive element array 22 by the electric tonal signal of receiving.
AAE active antenna element 32, for launching active antenna signal.
Particularly, active antenna unit 21 after transceiver is modulated to radiofrequency signal, sends to AAE active antenna element 32 by first interface 31 by the base-band information of reception, and AAE active antenna element 32 is launched this radiofrequency signal in electromagnetic mode.
The second interface 33, for receiving passive antenna signal and electric tonal signal, is sent to passive antenna oscillator 34 by passive antenna signal, according to electric tonal signal, adjusts the antenna beam angle of declination in passive element array.
Particularly, the passive antenna signal that passive element array 22 receives by the second interface 33 is the radiofrequency signal after ovennodulation, this signal comprises the data message that need to transmit by passive element array 22, and passive element array 22 sends to passive antenna oscillator 34 by this radiofrequency signal by the second interface 33.Passive element array 22 also receives by the second interface 33 the electric tonal signal that active antenna unit 21 sends by first interface 31, and adjusts passive antenna downwards bevel beam angle according to this electricity tonal signal, thereby realizes the function that passive antenna electricity is adjusted.
Particularly, passive element array 22, by the radiofrequency signal after ovennodulation receiving, sends to passive antenna oscillator 34 by the second interface 33, and passive antenna oscillator 34 is launched this radiofrequency signal in electromagnetic mode.
In prior art, passive antenna connects by radio frequency cable, the RRU(Remote Radio-Frequency Unit that need to be connected with antenna, RF remote equipment) in, passive antenna signal and electric tonal signal are carried out to modulated process, the passive antenna signal after ovennodulation and electric tonal signal are sent in passive antenna by radio frequency cable.Wherein electric tonal signal need to be modulated into OOK signal through OOK modulator-demodulator in RRU, after being sent in passive antenna, by the OOK modulator-demodulator being configured in passive antenna, be demodulated into electric tonal signal again, and be sent to and in the correlation unit in passive antenna, realize electric tune process.But because electric tonal signal need to need to configure OOK modulator-demodulator through the process of modulation /demodulation in RRU and antenna, make RRU and antenna structure comparatively complicated, and can affect the reliability of electric tonal signal transmission.
In the embodiment of the present invention, active and passive integrated antenna assembly 11 receives electric tonal signal by active antenna unit 21, the baseband signal that the active antenna signal receiving due to active antenna unit 21 is non-modulated, therefore also can directly receive the electric tonal signal of non-modulated, and be sent to again active and passive integrated antenna assembly 11 after electric tonal signal being modulated without setup of modulator-demodulator in RRU.
The present embodiment, by using active antenna unit to receive the electric tonal signal of passive element array, and send electric tonal signal to passive element array, passive element array is adjusted passive antenna downwards bevel beam angle according to this electricity tonal signal, realized passive antenna electricity tonal signal without being sent to passive antenna through modem procedue, reduce the complexity of integral antenna structure, improve the reliability of electric tonal signal transmission.
Fig. 2 is the structural representation of active and passive integrated antenna assembly embodiment bis-provided by the invention, and as shown in Figure 2, the active and passive integrated antenna assembly 11 of the present embodiment, on the basis of above-described embodiment one, can also comprise:
Passive electronic driving signal generating unit 23, the electric tonal signal sending for receiving first interface 31, generates control signal according to this electricity tonal signal, and this control signal is for adjusting the antenna beam angle of declination of passive element array.
Particularly, passive antenna can be to the RCU(Remote Control Unit in passive antenna, remote control unit) control, thus drive mechanical phase shifter in passive antenna to change the feeding network of antenna, realize the adjustment to antenna beam angle of declination.
RCU is controlled in order to the larger electric current of the signal demand of driving device phase shifter, and the electric tonal signal that is sent to passive element array 22 from active antenna unit 21 directly produces from Base Band Unit, therefore, can adopt passive electronic driving signal generating unit 23 this electricity tonal signal to be converted to the electricity tune control signal that can control RCU.
Passive electronic driving signal generating unit 23, after the electric tonal signal that reception active antenna unit 21 sends by first interface 31, this electricity tonal signal can be converted to the electricity that can control RCU and adjust control signal, then adjust control signal to be sent to the RCU in passive element array 22 by the second interface 33 this electricity.RCU can complete the operation that passive antenna downwards bevel beam angle is adjusted according to these electricity regulation and control signal driver machinery processed phase shifter.
Passive electronic driving signal generating unit 23 can be converted to the electric tonal signal of base band the electricity tune control signal of controlling RCU, further improves the reliability of signal transmission.
It should be noted that, passive electronic driving signal generating unit 23 can be arranged in active antenna unit 21, also can be arranged in passive element array 22, or independently be arranged between active antenna unit 21 and passive element array 22.Preferably, owing to being sent to, the electricity regulation and control signal code processed of RCU is larger, therefore, passive electronic driving signal generating unit 23 can be arranged in passive element array 22.
The present embodiment, by passive electronic driving signal generating unit is set in active and passive integrated antenna, the electric tonal signal that active antenna is transmitted is converted into the electricity tune control signal that can control RCU, thereby adjust passive antenna downwards bevel beam angle, realized passive antenna electricity tonal signal without being sent to passive antenna through modem procedue, further reduce the complexity of integral antenna structure, improve the reliability of electric tonal signal transmission.
Fig. 3 is the structural representation of active and passive integrated antenna assembly embodiment tri-provided by the invention, as shown in Figure 3, active and the passive integrated antenna assembly 11 of the present embodiment is on the basis of above-described embodiment one and embodiment bis-, in active antenna unit 21, first interface 31, specifically for receiving active antenna signal and electric tonal signal, and electric tonal signal is sent to signal separation unit 35.
Particularly, first interface 31 receives active antenna signal and the electric tonal signal of the network element transmission being connected with active and passive integrated antenna assembly 11, and this active antenna signal and electric tonal signal are all sent to signal separation unit 35.
Optionally, first interface 31 can be by optical cable and BBU(Base Band Unit, Base Band Unit) connect, directly receive the baseband signal that includes source antenna signal and electric tonal signal of transmitting from BBU.Or, first interface 31 is connected with RF remote unit RRU by optical cable, the baseband signal that includes source antenna signal and electric tonal signal that RRU sends for receiving BBU, RRU transfers to active antenna unit 21 by the active antenna signal receiving and electric tonal signal by first interface 31.
Optionally, first interface 31 can be base band-radio frequency interface, and this base band-radio frequency interface is the interface for direct transmission base band, preferably, first interface 31 can be common public radio interface CPRI, and CPRI interface, for transmission base band, is connected with other network element by optical cable.
Active antenna unit 21 can also comprise: signal separation unit 35, and for separating of active antenna signal and electric tonal signal.
Particularly, first interface 31 transfers to signal separation unit 35 by the active antenna signal receiving, and signal separation unit 35 can carry out separated with electric tonal signal by active antenna signal.On the one hand, signal separation unit 35 can transfer to isolated active antenna signal in the transceiver of active antenna, for active antenna, by the Data Modulation of needs transmission, be that radiofrequency signal sends by AAE active antenna element 32, and active antenna carried out to the operation of wave beam adjustment by the relevant information comprising in active antenna signal; On the other hand, signal separation unit 35 can be sent to passive electronic driving signal generating unit 23 by isolated electric tonal signal, for passive antenna, adjusts downwards bevel beam angle.
The present embodiment, by being set, electricity adjusts separative element, can realize active antenna signal and electric tonal signal transfers in active antenna unit by same interface, in active antenna unit, it is carried out to separation, utilize existing interface, on the basis of existing transmission link that does not increase active antenna unit and BBU or RRU, realize and receive passive antenna electricity tonal signal.
Fig. 4 is the structural representation of active and passive integrated antenna assembly embodiment tetra-provided by the invention, as shown in Figure 4, active and the passive integrated antenna assembly 11 of the present embodiment is on the basis of the various embodiments described above, and the present embodiment provides the complete structure of a kind of active antenna unit 21 and passive element array 22.
Wherein, active antenna unit 21, can specifically comprise: first interface 31, and signal separation unit 35, transceiver and active feed network 36, AAE active antenna element 32;
Passive element array 22, can specifically comprise: the second interface 33, passive electronic driving signal generating unit 23, remote control unit 37, passive feeding network 38, passive antenna oscillator 34.
The process that the active and passive integrated antenna assembly 11 of the present embodiment carries out the transmitting of electricity mediation signal can be: active antenna unit 21 receives active antenna signal and electric tonal signals by first interface 31, and active antenna signal and electric tonal signal are transferred to signal separation unit 35, signal separation unit 35 is separated with electric tonal signal by active antenna signal, and active antenna signal is transferred to transceiver and active feed network 36, electric tonal signal transfers to passive electronic driving signal generating unit 23; Transceiver and active feed network 36 are modulated to radio signal transmission to AAE active antenna element 32 by active antenna signal, and according to the relevant control information in active antenna signal, the weights of transceiver and phase place are adjusted, thereby the wave beam of AAE active antenna element 32 transmittings is adjusted; AAE active antenna element 32 is for launching the active antenna signal through ovennodulation.
Passive element array 22 receives passive antenna signal by the second interface 33, and passive antenna signal is transferred to passive feeding network 38; Passive feeding network 38 is sent to passive antenna oscillator 34 by passive antenna signal; Passive electronic driving signal generating unit 23 receives after electric tonal signal, converts this electricity tonal signal to electricity and adjusts control signal, and adjust control signal to transfer to remote control unit 37 by the second interface 33 this electricity; Remote control unit 37 regulates and controls the mechanical phase shifter in the passive feeding network 38 of signal controlling processed by electricity, thereby adjusts the feeding network in passive antenna, realizes the electricity of passive antenna is adjusted; Passive antenna oscillator 34 is for launching the passive antenna signal after ovennodulation.
It should be noted that, passive electronic driving signal generating unit 23 can also be arranged in active antenna unit 21, or between active antenna unit 21 and passive element array 22.
The present embodiment only provides a kind of complete structure of active antenna unit 21 and passive element array 22, be understandable that, the active antenna unit 21 providing in the embodiment of the present invention and passive element array 22, the parts such as transceiver wherein, feeding network and antenna oscillator all can, referring to the structure of prior art, not enumerate at this.
It should be noted that, in above-mentioned active and passive integrated antenna assembly provided by the invention, the various concrete structures that can adopt existing antenna of active antenna unit and passive element array.Fig. 5 provides a kind of concrete structure of active and passive integrated antenna assembly, but does not using this restriction as the embodiment of the present invention.
Fig. 5 is the structural representation of active and passive integrated antenna assembly embodiment five provided by the invention, and as shown in Figure 5, the present embodiment provides a kind of concrete structure of active and passive integrated antenna assembly 11.
Wherein, active and passive integrated antenna 11 includes source antenna unit 21 and passive element array 22; Active antenna unit 21 specifically comprises CPRI interface 51, FPGA(Field-Programmable GateArray, field programmable gate array) 52, transceiver and active feed network 53, AAE active antenna element 54; Passive element array 22 specifically comprises passive electronic driving signal generating unit 55, the second interfaces 56, drive motors 57, passive feeding network 58, passive antenna oscillator 59.
The process that the active and passive integrated antenna assembly 11 of the present embodiment carries out the transmitting of electricity mediation signal can be: active antenna unit 21 receives active antenna signal and electric tonal signals by CPRI interface 51, because CPRI interface is base band-radio frequency interface, so active antenna signal and electric tonal signal that active antenna unit 21 receives are the baseband signal that directly comprises desired data.Active antenna unit 21 transfers to FPGA52 by the signal receiving from CPRI interface 51, FPGA52 is separated with electric tonal signal by the active antenna signal in the signal receiving by the method for Digital Signal Processing, and active antenna signal is transferred to transceiver and active feed network 53, electric tonal signal transfers to passive electronic driving signal generating unit 55.Transceiver and active feed network 53 comprise electronic phase shifter 501 and TRX(Transceiver, transceiver) 502, wherein the number of electronic phase shifter 501 and TRX502 is determined according to the oscillator number in AAE active antenna element 54, according to the control information in active antenna signal, active antenna signal is inputted respectively in each electronic phase shifter 501, and inputed to respectively each oscillator in AAE active antenna element 54 by the TRX502 corresponding with each electronic phase shifter 501.Electronic phase shifter 501 is adjusted the phase place of signal according to control information, TRX502 is modulated to radiofrequency signal by the baseband signal after phase modulation and according to control information, adjusts the amplitude of radiofrequency signal.Each oscillator in AAE active antenna element 54 is gone out the emission of radio frequency signals after the modulation of receiving.Passive electronic driving signal generating unit 55 comprises DAC(Digital to AnalogConverter, digital to analog converter) 503 and amplifier 504, DAC503 receives the electric tonal signal that FPGA52 sends, the numeral electricity tonal signal of base band is converted to analog electrical tonal signal, and the analog electrical tonal signal after conversion is transferred in amplifier 504, amplifier 504 is amplified to by analog electrical tonal signal the required signal strength signal intensity of mechanical phase shifter 506 that drive motors 57 drives in passive feeding network 58.Amplifier 504 transfers to drive motors 57 by the analog electrical tonal signal after amplifying, thereby drive motors 57 carries out according to each the mechanical phase shifter 506 in the passive feeding network 58 of the information-driven in electric tonal signal the signal phase that mechanical action changes input passive antenna oscillator.Passive element array 22 receives passive antenna signal by the N-type interface 505 in the second interface 56, and passive antenna signal is sent to passive feeding network 58.Passive feeding network comprises mechanical phase shifter 506, wherein mechanical phase shifter 506 is determined according to the oscillator number in passive antenna oscillator 34, and each mechanical phase shifter 506 transfers to corresponding oscillator after the radiofrequency signal that inputs to corresponding oscillator in passive antenna oscillator 34 is changed to phase place.Each oscillator in passive antenna oscillator 34 is gone out the emission of radio frequency signals after the phase modulation of receiving.
It should be noted that, the present embodiment only provides a kind of concrete structure of the active and passive integrated antenna assembly of the present invention, and wherein each device is not limited with the device in the present embodiment.For example, CPRI interface 51 can be arbitrary directly interface of transmission base band; FPGA52 can be for carrying out device or the circuit structure of Digital Signal Processing, as embedded system modules such as Digital Signal Processing (Digital Signal Processing, DSP); Transceiver and active feed network 53 are determined according to the structure of AAE active antenna element 54, as long as can complete amplitude modulation, phase modulation, the modulation operations to baseband signal; AAE active antenna element 54 determines according to the use occasion of active and passive integrated antenna assembly, can be single omni, the various structures such as antenna array how to form with directional antenna; Passive electronic driving signal generating unit 55 can also be in active antenna unit 21 or between active antenna unit 21 and passive element array 22, as long as the electric tonal signal of receiving can be converted to required signal type and the intensity of mechanical phase shifter 506 driving in passive feeding network 58; N-type interface 505 in the second interface 56 can be arbitrary radio frequency interface, according to signal type and environment for use, determines; Drive motors 57 can for a kind of concrete structure of Fig. 4 medium-long range control unit for example, mechanical phase shifter 506 in the passive feeding network 58 of this unit demand motive changes mechanical structure, therefore needs to adopt to export the required enough motors of large electric current of driving device phase shifter 506; Passive feeding network 58 is determined according to the structure of passive antenna oscillator 59, as long as can complete the phase modulation operation to passive RF signal; Passive antenna oscillator 59 determines according to the use occasion of active and passive integrated antenna assembly, can be single omni, the various structures such as antenna array how to form with directional antenna.
Fig. 6 is the structural representation of base station embodiment mono-provided by the invention, and as shown in Figure 6, the base station of the present embodiment comprises: active and passive integrated antenna assembly 11, BBU61, RRU62.
The 26S Proteasome Structure and Function of active and passive integrated antenna assembly 11 can, referring to previous embodiment, repeat no more herein.
BBU61, for generation of active antenna signal, passive antenna signal and electric tonal signal, and sends to active antenna unit by active antenna signal and electric tonal signal, and passive antenna signal is sent to RRU62.
Particularly, in BBU61, produce the baseband signal of the data message that need to launch by active antenna and passive antenna, in active antenna signal, comprise the control information to active antenna, in BBU61, also produce to comprise passive antenna is carried out to the base band electricity tonal signal that electricity is adjusted.BBU61 sends to the active antenna unit 21 in active and passive integrated antenna assembly 11 by active antenna signal and electric tonal signal, and passive antenna signal is sent to RRU62.
RRU62 sends to passive element array after the passive antenna signal of reception is converted to radiofrequency signal.
Particularly, RRU32 comprises radio frequency unit, and RRU62 is modulated to radiofrequency signal by radio frequency unit by the passive antenna signal receiving, and sends to the passive element array 22 in active and passive integrated antenna assembly 11.
The present embodiment, by BBU, the electric tonal signal of active antenna signal and passive element array is transferred to active antenna unit, and send electric tonal signal to passive element array, passive element array is adjusted passive antenna downwards bevel beam angle according to this electricity tonal signal, realized passive antenna electricity tonal signal without modulation is sent to passive antenna through RRU, reduce the complexity of integral antenna and RRU structure, improve the reliability of electric tonal signal transmission.
Further, in above-mentioned active and passive integrated antenna base station embodiment mono-, BBU61 can also pass through active antenna unit 21 by active antenna signal and electric tonal signal by RRU62.Particularly, BBU61 can be transferred to RRU62 by same transmission channel by active antenna signal, passive antenna signal and electric tonal signal, wherein active antenna signal and electric tonal signal are by after RRU62, mode through transparent transmission is directly transferred to active antenna unit 21, after passive antenna signal enters RRU62, after becoming radiofrequency signal, modulation is transferred to passive element array 22.The active antenna signal, passive antenna signal and the electric tonal signal that due to BBU61, to RRU62, transmit are baseband signal, and preferably, this active antenna signal, passive antenna signal and electric tonal signal can transfer to RRU62 by BBU61 by optical cable.And active antenna signal and the electric tonal signal of RRU62 21 transmission to active antenna unit are baseband signal, and preferably, this active antenna signal and electric tonal signal can transfer to active antenna unit 21 by RRU62 by optical cable.
Fig. 7 is the structural representation of base station embodiment bis-provided by the invention, as shown in Figure 7, the base station of the present embodiment comprises: at least two active and passive integrated antenna assemblies and at least two RRU are corresponding one by one with active and passive integrated antenna assembly, between at least two RRU, connect;
At least one BBU, specifically for producing active antenna signal and the electric tonal signal of at least two active and passive integrated antenna assemblies, and the active antenna signal of and passive integrated antenna assembly active by least two and electric tonal signal send to any RRU at least two RRU.
Any RRU at least two RRU, sends to other RRU at least two RRU specifically for active antenna signal and the electric tonal signal of and passive integrated antenna assembly active by least two.
In the present embodiment, provide base station to comprise 2 active and passive integrated antenna assemblies: the active and passive integrated antenna assembly 72 of the first active and passive integrated antenna assembly 71 and second, a BBU73, two RRU: the enforcement scene of RRU74 the 2nd RRU75.
Particularly, BBU73, can be for generation of synthetic active antenna signal, synthetic passive antenna signal and synthetic electric tonal signal, the the first active antenna signal that wherein comprises the first active and passive integrated antenna assembly 71 in synthetic active antenna signal and the second active antenna signal of the second active and passive integrated antenna assembly 72, the the first passive antenna signal that comprises the first active and passive integrated antenna assembly 71 in synthetic passive antenna signal and the second passive antenna signal of the second active and passive integrated antenna assembly 72, the the first electric tonal signal that comprises the first active and passive integrated antenna assembly 71 in synthetic electric tonal signal and the second electric tonal signal of the second active and passive integrated antenna assembly 72.
It should be noted that, BBU73 can send to above-mentioned synthetic active antenna signal, synthetic passive antenna signal and synthetic electric tonal signal any one in a plurality of RRU of series connection.Preferably, BBU73 can send to above-mentioned synthetic active antenna signal, synthetic passive antenna signal and synthetic electric tonal signal first RRU74 in a plurality of RRU of series connection.For example: in the present embodiment, BBU73 can be by above-mentioned synthetic active antenna signal, synthetic passive antenna signal and synthetic electric tonal signal send to a RRU74, the one RRU74 goes out the first passive antenna signal extraction, and will synthesize active antenna signal, synthetic electric tonal signal and the first passive antenna signal send to the first active and passive integrated antenna assembly 71, the first active and passive integrated antenna assembly 71 extracts the first active antenna signal and the first electric tonal signal, and to the first active antenna signal, the first passive antenna signal and the first electric tonal signal are processed, the one RRU74 also will synthesize active antenna signal, synthetic passive antenna signal and synthetic electric tonal signal send to the 2nd RRU75, the 2nd RRU75 goes out the second passive antenna signal extraction, and will synthesize active antenna signal, synthetic electric tonal signal and the second passive antenna signal send to the second active and passive integrated antenna assembly 72, the second active and passive integrated antenna assembly 72 extracts the second active antenna signal and the second electric tonal signal, and to the second active antenna signal, the second passive antenna signal and the second electric tonal signal are processed.The above-mentioned function from synthetic active antenna signal and synthetic electric tonal signal extraction signal is that the signal separation unit in active and passive integrated antenna assembly completes.
Optionally, in above-mentioned synthetic active antenna signal, can carry the first sign, this first sign is used to indicate the first active and passive integrated antenna assembly 71 by the first active antenna signal extraction out, and indicates the second active and passive integrated antenna assembly 72 by the second active antenna signal extraction out.For instance, the first sign can represent with following coding form, " beginning character+base station numbering the+the first antenna number and the first active antenna data message+the second antenna number and the second active antenna data message ".
Similarly, in above-mentioned synthetic active antenna signal, can also carry the second sign, this second sign is used to indicate the first active and passive integrated antenna assembly 71 the first electric tonal signal is extracted, and indicates the second active and passive integrated antenna assembly 72 that the second electric tonal signal is extracted.For instance, the second sign can represent with following coding form, " beginning character+base station numbering the+the first antenna number and the first Downtilt+the second antenna number and the second Downtilt ".
Similarly, in above-mentioned synthetic active antenna signal, can also carry the 3rd sign, the 3rd sign is used to indicate a RRU74 the first passive antenna signal extraction is out sent to the first active and passive integrated antenna assembly 71, and indicates the 2nd RRU75 that the second passive antenna signal extraction is out sent to the second active and passive integrated antenna assembly 72.For instance, the 3rd sign can represent with following coding form, " beginning character+base station numbering the+the first antenna number and the first passive antenna data message+the second antenna number and the second passive antenna data message ".
In base station, comprise under the enforcement scene of a plurality of RRU, a plurality of RRU are together in series, in BBU, can send simultaneously and comprise the synthetic active antenna signal that a plurality of active and passive integrated antenna assemblies are corresponding, synthetic passive antenna signal and synthetic electric tonal signal, each RRU is extracted corresponding active antenna signal, passive antenna signal and the electric tonal signal of active with each and passive integrated antenna assembly to be sent to corresponding active and passive integrated antenna assembly by the first sign, the second sign and the 3rd sign of carrying in above-mentioned each signal.
It should be noted that, above-mentionedly a plurality of RRU are carried out to cascade be not limited to a plurality of active and passive integrated antenna assembly on same base station, can also expand to a plurality of active and passive integrated antenna assembly configuring respectively on a plurality of base stations, first sign of carrying in BBU, the second sign and the 3rd sign can be indicated and each active and passive integrated antenna assembly is corresponding RRU active antenna signal, passive antenna signal and electric tonal signal this is active and passive integrated antenna assembly extract.
The present embodiment, by the first sign, the second sign and the 3rd sign are set in the signal sending at BBU, active antenna signal, passive antenna signal and the electric tonal signal of a plurality of active and passive integrated antenna assemblies of same channel transfer can be used, the quantity of transmission link can be reduced.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (12)
1. an active and passive integrated antenna assembly, it is characterized in that, comprise: active antenna unit and passive element array, described active antenna unit comprises first interface and AAE active antenna element, described passive element array comprises the second interface and passive antenna oscillator;
Described first interface, for receiving active antenna signal and electric tonal signal, is sent to described AAE active antenna element by described active antenna signal, and described electric tonal signal is sent to described passive element array;
Described AAE active antenna element, for launching described active antenna signal;
Described the second interface, for receiving passive antenna signal and described electric tonal signal, is sent to described passive antenna oscillator by described passive antenna signal, according to described electric tonal signal, adjusts the antenna beam angle of declination in described passive element array;
Described passive antenna oscillator, for launching described passive antenna signal.
2. active and passive integrated antenna assembly according to claim 1, is characterized in that, also comprises:
Passive electronic driving signal generating unit, the described electric tonal signal sending for receiving described first interface, generates control signal according to described electric tonal signal, and described control signal is for adjusting the antenna beam angle of declination of described passive element array.
3. active and passive integrated antenna assembly according to claim 1 and 2, is characterized in that, described active antenna unit also comprises: signal separation unit;
Described first interface, specifically for being sent to described signal separation unit by described active antenna signal and described electric tonal signal;
Described signal separation unit, for separating of described active antenna signal and described electric tonal signal.
4. active and passive integrated antenna assembly according to claim 3, is characterized in that, described first interface is base band-radio frequency interface;
Described base band-radio frequency interface is the interface for direct transmission base band.
5. according to the active and passive integrated antenna assembly described in claim 3 or 4, it is characterized in that, described first interface receives described electric tonal signal by the optical cable being connected with baseband processing unit BBU; Or described first interface receives described electric tonal signal by the optical cable being connected with RF remote unit RRU.
6. a base station, is characterized in that, comprises at least one active and passive integrated antenna assembly as described in claim 1-5 any one, also comprises: at least one RF remote unit RRU and at least one baseband processing unit BBU;
Described BBU, for generation of active antenna signal, passive antenna signal and electric tonal signal, and sends to described active antenna unit by described active antenna signal and described electric tonal signal, and described passive antenna signal is sent to described RRU;
Described RRU sends to described passive element array after the described passive antenna signal receiving is converted to radiofrequency signal.
7. base station according to claim 6, is characterized in that, described BBU passes through described active antenna unit by described RRU by described active antenna signal and described electric tonal signal.
8. base station according to claim 7, it is characterized in that, if described BBU passes through described active antenna unit by described RRU by described active antenna signal and described electric tonal signal, described RRU sends to described active antenna unit by the first optical cable being connected with described active antenna unit by described active antenna signal and described electric tonal signal.
9. according to the base station described in claim 7 or 8, it is characterized in that, described BBU is by the second optical cable being connected with described RRU, described active antenna signal and described electric tonal signal are sent to described RRU, so that described RRU sends to described active antenna unit by described active antenna signal and described electric tonal signal.
10. according to the base station described in claim 6-9 any one, it is characterized in that, comprise at least two described active and passive integrated antenna assemblies and at least two described RRU, described RRU is corresponding one by one with described active and passive integrated antenna assembly, between at least two described RRU, connects;
Described BBU described at least one, specifically for producing active antenna signal and the electric tonal signal of at least two described active and passive integrated antenna assemblies, and at least two described active antenna signal and electric tonal signals active and passive integrated antenna assembly are sent to any RRU at least two described RRU;
Any RRU in described at least two described RRU, specifically for sending to other RRU at least two described RRU by least two described active antenna signal and electric tonal signals active and passive integrated antenna assembly.
11. base stations according to claim 10, it is characterized in that, in the active antenna signal of at least two described active and passive integrated antenna assemblies, carry the first sign, described the first sign is used to indicate the described active and passive integrated antenna assembly of described correspondence.
12. base stations according to claim 10, it is characterized in that, in the electric tonal signal of at least two described active and passive integrated antenna assemblies, carry the second sign, described the second sign is used to indicate the described active and passive integrated antenna assembly of described correspondence.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490175A (en) * | 2013-09-23 | 2014-01-01 | 摩比天线技术（深圳）有限公司 | Integrated base station antenna |
| WO2017005005A1 (en) | 2015-07-07 | 2017-01-12 | Huawei Technologies Co., Ltd. | Systems and methods for rru control messaging architecture for massive mimo systems |
| WO2019100325A1 (en) * | 2017-11-24 | 2019-05-31 | 华为技术有限公司 | Uplink signal transmission method, base station, and system |
| CN110224215A (en) * | 2019-06-06 | 2019-09-10 | 天通凯美微电子有限公司 | A kind of millimeter wave antenna battle array and the integrated electronic equipment of radio frequency front-end devices |
| CN110611513A (en) * | 2018-06-15 | 2019-12-24 | 厦门雅迅网络股份有限公司 | Compatible type vehicle-mounted radio antenna interface circuit |
| CN113258263A (en) * | 2021-07-15 | 2021-08-13 | 中兴通讯股份有限公司 | Base station equipment |
| CN113950775A (en) * | 2020-03-24 | 2022-01-18 | 康普技术有限责任公司 | Base station antenna with active antenna module and related apparatus and methods |
| US11611143B2 (en) | 2020-03-24 | 2023-03-21 | Commscope Technologies Llc | Base station antenna with high performance active antenna system (AAS) integrated therein |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051353A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Multiple frequency band multiple protocol radio frequency identifying device system |
| WO2012103831A2 (en) * | 2012-03-20 | 2012-08-09 | 华为技术有限公司 | Antenna device and system |
-
2012
- 2012-10-08 CN CN201210377593.4A patent/CN103715521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051353A (en) * | 2007-05-16 | 2007-10-10 | 上海华龙信息技术开发中心 | Multiple frequency band multiple protocol radio frequency identifying device system |
| WO2012103831A2 (en) * | 2012-03-20 | 2012-08-09 | 华为技术有限公司 | Antenna device and system |
| WO2012103831A3 (en) * | 2012-03-20 | 2013-02-28 | 华为技术有限公司 | Antenna device and system |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490175B (en) * | 2013-09-23 | 2016-01-06 | 摩比天线技术（深圳）有限公司 | A kind of integrated base station antenna |
| CN103490175A (en) * | 2013-09-23 | 2014-01-01 | 摩比天线技术（深圳）有限公司 | Integrated base station antenna |
| EP3295766B1 (en) * | 2015-07-07 | 2021-10-20 | Huawei Technologies Co., Ltd. | Systems and methods for rru control messaging architecture for massive mimo systems |
| WO2017005005A1 (en) | 2015-07-07 | 2017-01-12 | Huawei Technologies Co., Ltd. | Systems and methods for rru control messaging architecture for massive mimo systems |
| CN111373838B (en) * | 2017-11-24 | 2022-07-19 | 华为技术有限公司 | Method, base station and system for transmitting uplink signal |
| US11284425B2 (en) | 2017-11-24 | 2022-03-22 | Huawei Technologies Co., Ltd. | Uplink signal transmission method and system, and base station |
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| WO2019100325A1 (en) * | 2017-11-24 | 2019-05-31 | 华为技术有限公司 | Uplink signal transmission method, base station, and system |
| CN110611513A (en) * | 2018-06-15 | 2019-12-24 | 厦门雅迅网络股份有限公司 | Compatible type vehicle-mounted radio antenna interface circuit |
| CN110224215A (en) * | 2019-06-06 | 2019-09-10 | 天通凯美微电子有限公司 | A kind of millimeter wave antenna battle array and the integrated electronic equipment of radio frequency front-end devices |
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