CN104639217B - antenna system, antenna and base station - Google Patents

antenna system, antenna and base station Download PDF

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Publication number
CN104639217B
CN104639217B CN201310554810.7A CN201310554810A CN104639217B CN 104639217 B CN104639217 B CN 104639217B CN 201310554810 A CN201310554810 A CN 201310554810A CN 104639217 B CN104639217 B CN 104639217B
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Prior art keywords
auxiliary
antenna
individual
array
processing module
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CN104639217A (en
Inventor
赵建平
王琳琳
马晓慧
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201310554810.7A priority Critical patent/CN104639217B/en
Priority to PCT/CN2014/090174 priority patent/WO2015067152A1/en
Publication of CN104639217A publication Critical patent/CN104639217A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of antenna system, antenna and base station.The antenna system includes：Primary antenna device, auxiliary antenna assembly and baseband processing module；The primary antenna device, is connected with the baseband processing module, for forming main beam, and for receiving and sending control signal and service signal in the main beam coverage under the control of the baseband processing module；The auxiliary antenna assembly, is connected with the baseband processing module, for forming auxiliary wave beam, and for receiving and sending the service signal in the auxiliary beam coverage under the control of the baseband processing module；The baseband processing module, for controlling the primary antenna device to be received in the main beam coverage and sending control signal and service signal, control the auxiliary antenna assembly that service signal is received and sent in the auxiliary beam coverage, so as to ensure basic covering while power system capacity is improved.

Description

Antenna system, antenna and base station
Technical field
The present embodiments relate to the communication technology, more particularly to a kind of antenna system, antenna and base station.
Background technology
Antenna system is to use electromagnetic waves to transmission information, so as to realize wireless communication signals reception with transmission be System.With the fast development and people of wireless communication technique the capacity of communication system, transmission rate etc. are constantly proposed it is higher Requirement, a series of new antenna system frameworks are suggested.
When the technical scheme of former lifting system capacity is to employ the closely-spaced array antenna of multiple row, the antenna feature is Employ closely-spaced array antenna, by signal simple beam splitting turn into multi-beam, it is achieved thereby that space division multiple access be multi-user simultaneously Row transmission, drastically increases power system capacity.
But the closely-spaced array antenna of multiple row does not support broad beam, it is impossible to ensures basic covering；And due to aerial array Broadband character, cause the beam quality of high band to deteriorate, can not economically meet multi-systems integration demand.
The content of the invention
The embodiment of the present invention provides a kind of antenna system, antenna and base station, can ensure while power system capacity is improved Basic covering.
In a first aspect, the embodiment of the present invention provides a kind of antenna system, it is characterised in that including：Primary antenna device, auxiliary day Line apparatus and baseband processing module；
Primary antenna device, is connected with baseband processing module, for forming main beam, under the control of baseband processing module Control signal and service signal are received and sent in main beam coverage；
Auxiliary antenna assembly, is connected with baseband processing module, for forming auxiliary wave beam, under the control of baseband processing module Service signal is received and sent in auxiliary beam coverage；
Baseband processing module, for control primary antenna device to be received in main beam coverage and send control signal and Service signal, control auxiliary antenna assembly that service signal is received and sent in auxiliary beam coverage.
With reference in a first aspect, in the first embodiment, primary antenna device includes M1Row first antenna array, M1For Integer more than or equal to 1；First antenna array includes L1Individual polarised direction, L1For the integer more than or equal to 1；M1Row first Aerial array is connected to M1×L1Individual primary antenna transceiver channel；First antenna array connects with baseband processing module, in base band Under the control of processing module, control signal and service signal are received and sent in main beam coverage.
With reference to first aspect and the first embodiment, in second of embodiment, primary antenna device includes 1 and arranges One aerial array, first antenna array include 2 polarised directions；Also include 2 primary antenna transceiver channels in primary antenna device.
With reference to first aspect and the first two kind embodiment, in the third embodiment, auxiliary antenna assembly includes M2Arrange Two aerial arrays, M2For the integer more than 1；Second aerial array includes L2Individual polarised direction, L2For the integer more than or equal to 1； Also include L in auxiliary antenna assembly2Individual auxiliary beam-forming network, each auxiliary beam-forming network is N2Drive M2Beam-forming network, often Individual N2Drive M2The same polarization array that beam-forming network is acted in the second aerial array forms N2Individual auxiliary wave beam, each N2Drive M2Ripple Beam forms network connection N2Individual auxiliary antenna transceiver channel, N2For the integer more than 1；Second aerial array and baseband processing module connect Connect, under the control of baseband processing module, receiving and sending service signal in auxiliary beam coverage.
With reference to first aspect and first three embodiment, in the 4th kind of embodiment, auxiliary antenna assembly includes 3 row second Aerial array, the second aerial array include 2 polarised directions, 223 beam-forming networks of drive are also included in auxiliary antenna assembly, often Individual 2, which drive 3 beam-forming networks, connects 2 auxiliary antenna transceiver channels；Or auxiliary antenna assembly includes 4 the second aerial arrays of row, the Two aerial arrays include 2 polarised directions, 224 beam-forming networks of drive are also included in auxiliary antenna assembly, each 2 drive 4 wave beams Form the auxiliary antenna transceiver channel of network connection 2.
With reference to first aspect and preceding four kinds of embodiments, in the 5th kind of embodiment, primary antenna device and auxiliary day are traditional thread binding Put corresponding identical M3Row third antenna array, third antenna array include L3Individual polarised direction, M3For the integer more than 1, L3For Integer more than or equal to 1；Primary antenna device and auxiliary antenna assembly correspond to identical L3Individual beam-forming network, each wave beam shape It is N into network3Drive M3Beam-forming network, each N3Drive M3The same polarization that beam-forming network is acted in third antenna array Array forms N3Individual auxiliary wave beam, each N3Drive M3Beam-forming network connects N3Individual antenna transceiver channel, N3For the integer more than 1； For each polarised direction, N3Individual antenna transceiver channel is used to open or close under the control of baseband processing module, so as to right Auxiliary wave beam is selected；For each polarised direction, N3Individual antenna transceiver channel is additionally operable under the control of baseband processing module The amplitude and phase weighting for the signal being received and transmitted, so that N3Drive M3The N that beam-forming network is formed3Individual auxiliary wave beam adds Power 1 main beam of synthesis；Third antenna array, for control signal and business letter to be received and sent in main beam coverage Number, and/or, service signal is received and sent in auxiliary beam coverage.
With reference to first aspect and first five kind embodiment, in the 6th kind of embodiment, L3×N3Individual antenna transceiver channel is also For being corrected to the signal for receiving and sending, so that L3×N3The amplitude for the signal that individual antenna transceiver channel is received and sent Phase place change is consistent.
With reference to first aspect and the first six kind embodiment, in the 7th kind of embodiment, for each polarised direction, N3It is individual Antenna transceiver channel and N3Drive M3Connection cables length between beam-forming network is consistent.
With reference to first aspect and the first seven kind embodiment, in the 8th kind of embodiment, baseband processing module is specifically used for When the maximum wave beams of Reference Signal Received Power RSRP are main beam, if between main beam and the auxiliary wave beam of RSRP maximums RSRP absolute differences are less than the first setting threshold value, and the auxiliary beam set member prime number of reusable is more than 1, then by RSRP maximums The Traffic Channel of main beam covering switches to the maximum auxiliary wave covers of RSRP.
It is first in the auxiliary beam set of reusable in the 9th kind of embodiment with reference to first aspect and the first eight kind embodiment RSRP absolute difference of the element between auxiliary wave beam maximum RSRP and the auxiliary wave beam maximum with RSRP is more than the second setting door The auxiliary wave beam of limit value.
Second aspect, the embodiment of the present invention provide a kind of antenna, including primary antenna device and auxiliary antenna assembly；
Primary antenna device, for forming main beam, and under the control of the baseband processing module of base station in main ripple Receive in the range of beam and send control signal and service signal；Auxiliary antenna assembly, for forming auxiliary wave beam, and in base band Service signal is received and sent under the control of processing module in auxiliary beam coverage.
With reference to second aspect, in the first embodiment, primary antenna device includes M1Row first antenna array, M1For Integer more than or equal to 1；First antenna array includes L1Individual polarised direction, L1For the integer more than or equal to 1；M1Row first Aerial array is connected to M1×L1Individual primary antenna transceiver channel；First antenna array connects with baseband processing module, in base band Under the control of processing module, control signal and service signal are received and sent in main beam coverage.
With reference to second aspect and the first embodiment, in second of embodiment, primary antenna device includes 1 and arranges One aerial array, first antenna array include 2 polarised directions；Also include 2 primary antenna transceiver channels in primary antenna device.
With reference to second aspect and the first two kind embodiment, in the third embodiment, auxiliary antenna assembly includes M2Arrange Two aerial arrays, M2For the integer more than 1；Second aerial array includes L2Individual polarised direction, L2For the integer more than or equal to 1； Also include L in auxiliary antenna assembly2Individual auxiliary beam-forming network, each auxiliary beam-forming network is N2Drive M2Beam-forming network, often Individual N2Drive M2The same polarization array that beam-forming network is acted in the second aerial array forms N2Individual auxiliary wave beam, each N2Drive M2Ripple Beam forms network connection N2Individual auxiliary antenna transceiver channel, N2For the integer more than 1；Second aerial array and baseband processing module connect Connect, under the control of baseband processing module, receiving and sending service signal in auxiliary beam coverage.
With reference to second aspect and first three embodiment, in the 4th kind of embodiment, auxiliary antenna assembly includes 3 row second Aerial array, the second aerial array include 2 polarised directions, 223 beam-forming networks of drive are also included in auxiliary antenna assembly, often Individual 2, which drive 3 beam-forming networks, connects 2 auxiliary antenna transceiver channels；Or auxiliary antenna assembly includes 4 the second aerial arrays of row, the Two aerial arrays include 2 polarised directions, 224 beam-forming networks of drive are also included in auxiliary antenna assembly, each 2 drive 4 wave beams Form the auxiliary antenna transceiver channel of network connection 2.
With reference to second aspect and first three embodiment, in the 4th kind of embodiment, primary antenna device and auxiliary day are traditional thread binding Put corresponding identical M3Row third antenna array, third antenna array include L3Individual polarised direction, M3For the integer more than 1, L3For Integer more than or equal to 1；Primary antenna device and auxiliary antenna assembly correspond to identical L3Individual beam-forming network, each wave beam shape It is N into network3Drive M3Beam-forming network, each N3Drive M3The same polarization that beam-forming network is acted in third antenna array Array forms N3Individual auxiliary wave beam, each N3Drive M3Beam-forming network connects N3Individual antenna transceiver channel, N3For the integer more than 1； For each polarised direction, N3Individual antenna transceiver channel is used to open or close under the control of baseband processing module, so as to right Auxiliary wave beam is selected；For each polarised direction, N3Individual antenna transceiver channel is additionally operable under the control of baseband processing module The amplitude and phase weighting for the signal being received and transmitted, so that N3Individual auxiliary beam weighting synthesizes 1 main beam；Third antenna Array, for control signal and service signal to be received and sent in main beam coverage, and/or, in auxiliary wave cover model Enclose interior reception and transmission service signal.
With reference to second aspect and preceding four kinds of embodiments, in the 5th kind of embodiment, L3×N3Individual antenna transceiver channel is also For：The signal for receiving and sending is corrected, so that L3×N3The amplitude for the signal that individual antenna transceiver channel is received and sent Phase place change is consistent.
With reference to second aspect and first five kind embodiment, in the 6th kind of embodiment, for each polarised direction, N3It is individual Antenna transceiver channel and N3Drive M3Connection cables length between beam-forming network is consistent.
The third aspect, the embodiment of the present invention provide a kind of base station, including：Baseband processing module；
Baseband processing module, for controlling the primary antenna device in antenna to receive in the range of main beam and sending control letter Number and service signal；Auxiliary antenna assembly in control antenna receives and sent service signal in auxiliary beam coverage.
With reference to second aspect, in the first embodiment, baseband processing module is specifically used for：When reference signal receives work( When wave beam maximum rate RSRP is main beam, if the RSRP absolute differences between main beam and the auxiliary wave beam of RSRP maximums are less than First setting threshold value, and the auxiliary beam set member prime number of reusable is more than 1, then the business covered main beam maximum RSRP is believed Road switches to the maximum auxiliary wave covers of RSRP.
It is first in the auxiliary beam set of reusable in second of embodiment with reference to second aspect and the first embodiment RSRP absolute difference of the element between auxiliary wave beam maximum RSRP and the auxiliary wave beam maximum with RSRP is more than the second setting door The auxiliary wave beam of limit value.
Antenna system, antenna and base station provided in an embodiment of the present invention, including primary antenna device, auxiliary antenna assembly and base band Processing module.Primary antenna device is connected with baseband processing module, for forming main beam, under the control of baseband processing module Control signal and service signal are received and sent in main beam coverage；Auxiliary antenna assembly, is connected with baseband processing module, uses In forming auxiliary wave beam, service signal is received and sent in auxiliary beam coverage under the control of baseband processing module；Base band Processing module, for controlling primary antenna device to be received in main beam coverage and sending control signal and service signal, control Make auxiliary antenna assembly and service signal is received and sent in auxiliary beam coverage.Received by control signal by main beam Hair, service signal are received and dispatched by main beam and auxiliary wave beam, realize the capacity of raising system, while ensure basic covering.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to do one and simply introduce, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of according to embodiments of the present invention one antenna system provided；
Fig. 2 is the structural representation of according to embodiments of the present invention two antenna systems provided；
Fig. 3 is the primary antenna wave beam horizontal directivity pattern that the primary antenna device that the embodiment of the present invention two provides is formed；
Fig. 4 is the 2 of the according to embodiments of the present invention two auxiliary antennas provided the structural representations for driving 3 beam-forming networks；
Fig. 5 is the auxiliary antenna beam horizontal directivity pattern that the auxiliary antenna assembly that the embodiment of the present invention two provides is formed；
Fig. 6 is the structural representation of according to embodiments of the present invention three antenna systems provided；
Fig. 7 is the 2 of the according to embodiments of the present invention three auxiliary antennas provided the structural representations for driving 4 beam-forming networks；
Fig. 8 is the auxiliary wave beam horizontal directivity pattern of the according to embodiments of the present invention three auxiliary antenna assemblies provided；
Fig. 9 is the structural representation of according to embodiments of the present invention four antenna systems provided；
Figure 10 is the horizontal directivity pattern of according to embodiments of the present invention four main beams simulated provided；
Figure 11 is the structural representation of according to embodiments of the present invention five antenna systems provided；
Figure 12 is the horizontal directivity pattern of according to embodiments of the present invention five main beams simulated provided；
Figure 13 is a kind of structural representation for antenna that the embodiment of the present invention six provides；
Figure 14 is a kind of structural representation for base station that the embodiment of the present invention seven provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation of according to embodiments of the present invention one antenna system provided.As shown in figure 1, the present invention carries The antenna system 11 of confession includes：Primary antenna device 101, auxiliary antenna assembly 102 and baseband processing module 103；
Primary antenna device 101, it is connected with baseband processing module 103, for forming main beam, in the baseband processing module Control signal and service signal are received and sent under 103 control in main beam coverage；
Auxiliary antenna assembly 102, is connected with baseband processing module 103, for forming auxiliary wave beam, in the baseband processing module Service signal is received and sent under 103 control in auxiliary beam coverage；
Baseband processing module 103, for controlling primary antenna device 101 to be received in main beam coverage and sending control Signal and service signal, control auxiliary antenna assembly 102 that service signal is received and sent in auxiliary beam coverage.
Wherein, primary antenna device 101 is mainly used in completing covering substantially, and auxiliary antenna assembly 102 is used to improve capacity.Specifically , baseband processing module 103 is mainly used in controlling primary antenna device 101 to receive and dispatch control signal and industry in main beam coverage Business signal；Baseband processing module 103 is additionally operable to control auxiliary antenna assembly 102 transmitting and receiving service signal in auxiliary beam coverage.
As a kind of feasible embodiment, primary antenna device 101 and auxiliary antenna assembly 102 can be respectively including respective Aerial array and transceiver channel, auxiliary antenna assembly also include beam-forming network.The transceiver channel of primary antenna device 101 can be Select main beam under the control of baseband processing module 103, the beam-forming network and transceiver channel of auxiliary antenna assembly 102 can be Formed under the control of baseband processing module 103 and select auxiliary wave beam.
As another feasible embodiment, primary antenna device 101 and auxiliary antenna assembly 102 can correspond to the same antenna Array, beam-forming network and transceiver channel, under the implement scene, the beam-forming network and transceiver channel can be in base band Formed under the control of processing module 103 and select auxiliary wave beam, and simulated and form main beam.
It can include respective aerial array and transceiver channel respectively in primary antenna device 101 and auxiliary antenna assembly 102 Under implement scene, as shown in figure 1, primary antenna device 101 can be by main antenna array 1011 and primary antenna transceiver channel group 1012 Composition.Primary antenna transceiver channel group connects baseband processing module, and covers model in main beam under the control of baseband processing module Enclose interior reception and transmission control signal.Auxiliary antenna assembly 102 is by auxiliary aerial array 1021, auxiliary beam-forming network 1022 and auxiliary day Line transceiver channel group 1023 forms.
Wherein, main antenna array 1011 has the ability for supporting multiple frequency ranges.It can be M1Column array, wherein M1To be big In the integer equal to 1, the polarised direction of array can be L1It is individual, L1For the integer more than or equal to 1.Each primary antenna of primary antenna The corresponding polarised direction of transceiver channel group 1012；Primary antenna transmitting-receiving is logical corresponding to each polarised direction of main antenna array 1011 Include M in road group 10121Individual primary antenna transceiver channel.
Specifically, when main antenna array 1011 is single polarization, i.e. L1When=1, M1Row first antenna array is connected to M1Individual master Antenna transceiver channel；When main antenna array 1011 is multipolarization, i.e. L1>When 1, M1Row first antenna array is connected to M1×L1It is individual Primary antenna transceiver channel.
Auxiliary aerial array 1021 can also be in single-row or more array structures, can be single polarization or multipolarization.Assuming that auxiliary antenna array Row 1021 are in M2Row, wherein M2For the integer more than 1, the polarised direction of array can be L2It is individual, L2For the integer more than or equal to 1； The corresponding polarised direction of each auxiliary antenna transceiver channel group 1023 of auxiliary antenna, shares L2It is individual.Each polarised direction of array Include N in corresponding auxiliary antenna transceiver channel group 10232Individual transceiver channel, N2For the integer more than 1.
Also include L in auxiliary antenna assembly 1022Individual auxiliary beam-forming network 1022, each auxiliary beam-forming network 1022 is N2 Drive M2Beam-forming network, each N2Drive M2The same polarization array that beam-forming network is acted in the second aerial array forms N2 Individual auxiliary wave beam, each N2Drive M2Beam-forming network connects N2Individual auxiliary antenna transceiver channel；The N of corresponding each polarised direction2It is individual auxiliary Antenna transceiver channel is used to open or close under the control of baseband processing module, so as to select auxiliary wave beam.
In primary antenna device 101 and auxiliary antenna assembly 102 corresponding same antenna array, beam-forming network and transceiver channel Implement scene under, primary antenna device and auxiliary antenna assembly can also correspond to identical M3Array antenna array, the M3Array antenna array Including L3Individual polarised direction, M3For the integer more than 1, L3For the integer more than or equal to 1；The aerial array, you can in master Control signal and service signal are received and sent in beam coverage, and/or, receive and send in auxiliary beam coverage Service signal.
Primary antenna device and auxiliary antenna assembly correspond to identical L3Individual beam-forming network, each beam-forming network are N3 Drive M3Beam-forming network, each N3Drive M3Beam-forming network connects N3Individual antenna transceiver channel, N3For the integer more than 1.
The N of corresponding each polarised direction3The individual antenna transceiver channel be used under the control of baseband processing module open or Close, to be made a choice to auxiliary wave beam；L3×N3Individual antenna transceiver channel is additionally operable to be corrected the signal for receiving and sending, So that L3×N3The changes in amplitude and phase place change for the signal that individual antenna transceiver channel is received and sent are consistent, while each Antenna transceiver channel and N3Drive M3Connection cables length between beam-forming network is consistent；The N of corresponding each polarised direction3It is individual The amplitude and phase for the signal that the antenna transceiver channel is additionally operable to be received and transmitted under the control of baseband processing module add Power, so that N3Drive M3The N that beam-forming network is formed3Individual auxiliary beam weighting synthesizes 1 main beam.
Baseband processing module 103 can be according to the pilot tone tenability, subscriber signal transmit power and reference of antenna system The factors such as signal reception power (Reference Signal Receiving Power, abbreviation RSRP), to control primary antenna to fill The aerial array put receives and sent control signal and service signal in main beam coverage, controls the day of auxiliary antenna assembly Linear array receives and sent service signal in auxiliary beam coverage.
Such as：The auxiliary beam set of reusable be present, supplemented by the element in the set auxiliary wave beam maximum RSRP in wave beam with And the RSRP absolute differences between the auxiliary wave beam maximum with RSRP are more than the auxiliary wave beam of the second setting threshold value.Then when RSRP most When big wave beam is main beam, if the absolute difference between main beam and the auxiliary wave beam of RSRP maximums is less than the first setting thresholding Value, and the auxiliary beam set member prime number of reusable is more than 1, then baseband processing module 103 can cover main beam maximum RSRP Traffic Channel switch to the maximum auxiliary wave covers of RSRP.
In the present embodiment, under the control of baseband processing module, primary antenna device received in main beam coverage and Send control signal and service signal；Auxiliary antenna assembly receives and sent service signal in auxiliary beam coverage.So control Signal processed is received and dispatched by main beam, and service signal is received and dispatched in main beam and auxiliary wave beam, may be multiplexed between auxiliary wave beam, real The capacity of system is now improved, while ensures basic covering.
Fig. 2 is the structural representation of according to embodiments of the present invention two antenna systems provided.As shown in Fig. 2 the present embodiment Illustrated so that primary antenna device and auxiliary antenna assembly can include respective aerial array and transceiver channel respectively as an example.Specifically 's：
Antenna system 22 includes primary antenna device 201, auxiliary antenna assembly 202 and baseband processing module 203.Primary antenna device Main antenna array 2011 and primary antenna transceiver channel group 2012 are specifically included in 201；Auxiliary antenna assembly includes auxiliary aerial array 2021st, auxiliary beam-forming network 2022 and auxiliary antenna transceiver channel group 2023；Baseband processing module 203 includes base band wave beam shape Into module 2031 and base band wave beam application module 2032.
In primary antenna device 201, main antenna array 2011 is in single-row cross polarization structure, and the main antenna array 2011 includes + 45 ° of polarised directions and -45 ° of polarised directions, are respectively defined as main polarization direction and negative polarization direction；Each polarised direction is corresponding Connect 1 primary antenna transceiver channel group 2012, therefore primary antenna transceiver channel group 2,012 1 shares 2, correspond to respectively it is main polarization with Negative polarization both direction, finally it is connected on the base band wave beam application module 2031 in baseband processing module 203.Primary antenna fills The primary antenna wave beam horizontal directivity pattern for putting 201 formation is as shown in Figure 3.
In auxiliary antenna assembly 202, auxiliary aerial array 2021 is in 3 array structures, and the auxiliary aerial array 2021 includes 2 polarization sides To one 23 beam-forming networks of drive of the corresponding connection of each polarised direction.Wherein, 3 beam-forming network structures are driven in the 2 of auxiliary antenna 2022 as shown in figure 4, including 90 ° of electric bridges, one 2:1 power divider and 180 ° of phase shifters.Wherein, 90 ° of electric bridges It is divided into two-way for flowing through the signal of electric bridge, carries out 90 ° of phase offsets all the way, another way phase is unchanged；2：1 power distribution The signal that device flows through power divider is divided into two-way, and amplitude changes, and the Amplitude Ration of its signal is 1:0.707；180° Phase shifter flows through the phase offset of 180 ° of the signal generation of phase shifter.Drive the end of 3 beam-forming network upper end 3 in the 2 of auxiliary antenna The like-polarized array of the row of connection 3, the port of lower end 2 can be connected to auxiliary wave beam by the consistent cable of length respectively and receive mouth respectively Passage group 2023 is sent out, connection cables keep length unanimously to make to change guarantor by the phase place change and amplitude of each road signal of cable Hold consistent.Because every polarised direction has one 23 beam-forming networks of drive, therefore 4 ports of network lower end correspond to 2 groups of auxiliary wave beams 4 auxiliary wave beam transceiver channels of transceiver channel group 2023.Auxiliary antenna transceiver channel is additionally operable to carry out the signal for receiving and sending Correction, so that this 4 antenna transceiver channels receptions are consistent with the amplitude-phase change of the signal sent.The auxiliary shape of antenna assembly 202 Into auxiliary antenna beam horizontal directivity pattern it is as shown in Figure 5.
Auxiliary wave beam transceiver channel is connected with base band Wave beam forming module 2031, and base band Wave beam forming module passes through to receiving It is weighted with the amplitude and phase of the signal of transmission to determine which auxiliary wave beam transceiver channel carries out reception and the hair of auxiliary wave beam Send.Because every group of auxiliary wave beam transceiver channel group has 2 auxiliary wave beam transceiver channels in auxiliary antenna assembly, therefore can carry out 2 auxiliary wave beams Reception and transmission, entering the weights of line amplitude and phase weighting can be represented with a two-dimensional array, each member in array Element can correspond to an auxiliary wave beam transceiver channel, can be represented with 1 or 0, element be 1 represent corresponding to auxiliary wave beam transceiver channel Open, the reception or transmission of auxiliary wave beam can be carried out by the auxiliary wave beam transceiver channel；Element is 0 and represents corresponding auxiliary wave beam transmitting-receiving Passage is closed, without the reception or transmission of the auxiliary wave beam.The weights of base band Wave beam forming module can be [1 0] or [0 1], 2 auxiliary wave beams are corresponded to respectively.
Base band wave beam application module 2032 is used to be connect according to pilot tone tenability, subscriber signal transmit power and reference signal At least one information in power RSRP is received, for controlling primary antenna device 201 to receive and send out in main beam coverage Control signal and partial service signal are sent, controls auxiliary antenna assembly 202 that business letter is received and sent in auxiliary beam coverage Number, or when control primary antenna device 201 receives in main beam coverage and sends service signal, by Traffic Channel by leading Wave cover switches to auxiliary wave cover, specifically：
For any one auxiliary wave beam, if the RSRP differences between wave beam maximum RSRP in its RSRP and all auxiliary wave beams Absolute value is more than the second setting thresholding, such as：6dB, then it is the element in the auxiliary beam set of reusable by these auxiliary beam definitions. There are the maximum auxiliary wave beams of RSRP in the auxiliary beam set of reusable in addition to above-mentioned auxiliary wave beam.If the auxiliary beam set member prime number of reusable More than 1, and wave beam maximum RSRP in all wave beams be main beam, then judges the auxiliary of the main beams of RSRP maximums and RSRP maximums Whether the RSRP absolute differences between wave beam are less than the first setting thresholding, are set to 9dB herein.If it is less, explanation is Make the Traffic Channel in main beam coverage maximum RSRP switching to the auxiliary wave cover, the covering of this user Performance there will not be too big loss, and the Traffic Channel that main beam maximum RSRP covers now is switched into the auxiliary of RSRP maximums Wave cover.The user for more meeting multiplexing condition is pushed into cover under auxiliary wave beam by this method, so as to add auxiliary wave beam multiplexing Probability.By rationally setting the first setting thresholding, it is ensured that covering performance is not in significantly sacrificing, and can be increased The capacity gain that multiplexed band is come.
In the antenna system provided in the present embodiment, primary antenna device by single-row cross-polarized arrays main antenna array and 2 primary antenna transceiver channel groups are formed, for control signal is received and sent in main beam coverage；Auxiliary antenna assembly by The auxiliary aerial array of 3 row cross-polarized arrays, 22 are driven 3 beam-forming networks and 2 auxiliary days by 4 auxiliary antenna transceiver channels Line transceiver channel group is formed, and service signal is received and sent in auxiliary beam coverage；Baseband processing module is by base band wave beam Module and base band wave beam application module composition are formed, is weighted by the amplitude to signal and phase which auxiliary wave beam determined Transceiver channel carries out the reception and transmission of auxiliary wave beam, and according to information such as Reference Signal Received Power RSRP, by Traffic Channel Auxiliary wave cover is switched to by main beam covering.So received and dispatched by control signal by main beam, service signal passes through master Wave beam and the transmitting-receiving of auxiliary wave beam, realize the capacity of raising system, while ensure basic covering.
Fig. 6 is the structural representation of according to embodiments of the present invention three antenna systems provided.As shown in fig. 6, the present embodiment In it is constant with the aerial array of primary antenna device and transceiver channel, and the aerial array of auxiliary antenna assembly, beam-forming network and The situation that transceiver channel changes illustrates.Specifically：
Antenna system 44 includes primary antenna device 401, auxiliary antenna assembly 402 and baseband processing module 403.Primary antenna device Main antenna array 4011 and primary antenna transceiver channel group 4012 are specifically included in 401；Auxiliary antenna assembly includes auxiliary aerial array 4021st, multichannel transmitting-receiving passage group 4023 is corrected in auxiliary beam-forming network 4022 and auxiliary antenna；Wrapped in baseband processing module 403 Include base band Wave beam forming module 4031 and base band wave beam application module 4032.Primary antenna device 401 and baseband processing module 403 Structure and function are all consistent with previous embodiment two, and here is omitted.It is specific to the structure work one of auxiliary antenna assembly 402 below Explanation：
Auxiliary aerial array 4021, is 4 row cross-polarized arrays, and two polarised direction includes+45 ° of polarised directions and -45 ° Polarised direction, it is respectively defined as main polarization direction and negative polarization direction.Each corresponding one 24 wave beam shapes of drive of connection of polarised direction Into network.The 2 of auxiliary antenna drive the structures of 4 beam-forming network 4022 as shown in fig. 7, comprises 90 ° of electric bridges, two 4:1 power Distributor and two 180 ° of phase shifters.Wherein, 90 ° of electric bridges are divided into two-way for flowing through the signal of electric bridge, carry out 90 ° of phases all the way Position skew, another way phase are unchanged；4：The signal that 1 power divider flows through power divider is divided into two-way, and amplitude is sent out Changing, the Amplitude Ration of its signal is 1:0.5；180 ° of phase shifters flow through the phase offset of 180 ° of the signal generation of phase shifter. 2 drive 4 beam-forming network, 4022 upper end 4 ports of auxiliary antenna connect 4 row same polarization arrays, the port difference of lower end 2 respectively Auxiliary wave beam transceiver channel group 4023 is connected to by the consistent cable of length, connection cables keep length consistent, can made by line Phase place change and the amplitude change of Lan Ge roads signal are consistent.Because there are one 24 Wave beam forming nets of drive per polarised direction Network, therefore 4 auxiliary wave beam transceiver channels of the corresponding 2 groups of auxiliary wave beam transceiver channel groups in 4 ports of network lower end.Auxiliary antenna transmitting-receiving is logical Road is additionally operable to be corrected the signal for receiving and sending, so that the signal for receiving and sending by this 4 antenna transceiver channels Amplitude-phase change it is consistent.The auxiliary wave beam horizontal directivity pattern of auxiliary antenna assembly is as shown in Figure 8.Auxiliary antenna assembly drives 4 wave beams 2 Two wave beams formed are formed under network, and Sidelobe Suppression is low, and two wave beam overlapping regions are small, and two beam isolation degree are preferable, can be effective Inter-beam interference is controlled, so as to more preferable lifting system capacity.
In the present embodiment, in the case where primary antenna device is consistent with previous embodiment with the structure of baseband processing module, Aerial array in auxiliary antenna assembly is changed to 4 row cross-polarized arrays, the beam-forming network in auxiliary antenna assembly is changed to 2 drives 4 Structure, the reception and transmission that signal is carried out with the auxiliary aerial array of different columns are achieved in that, to the array of auxiliary aerial array Mode is expanded so that the implementation array way more flexibility and reliability of auxiliary aerial array, allows more business under auxiliary wave beam Covering, while received and dispatched by control signal by main beam, service signal is received and dispatched in main beam and auxiliary wave beam, between auxiliary wave beam It may be multiplexed, realize the capacity of raising system, while ensure basic covering.
Fig. 9 is the structural representation of according to embodiments of the present invention four antenna systems provided.As shown in figure 9, the present embodiment Said so that primary antenna device and auxiliary antenna assembly share same aerial array, beam-forming network and transceiver channel as an example It is bright.Specifically：
66 primary antenna device and auxiliary antenna assembly correspond to the row cross polarised antenna array of identical 3 in antenna system, therefore (auxiliary) antenna assembly 601 and the two parts of baseband processing module 602 based on antenna system configuration.
In master (auxiliary) antenna assembly 601, primary antenna device and auxiliary antenna assembly correspond to the row cross polarised antenna of identical 3 Array 6011, each aerial array include+45 ° of polarised directions and -45 ° of polarised directions, are respectively defined as main polarization direction and bear Polarised direction.
Likewise, the aerial array of primary antenna device and auxiliary antenna assembly corresponds to identical beam-forming network, Mei Geji Change direction and correspond to 1 beam-forming network respectively.Each beam-forming network is 23 beam-forming networks 6012 of drive, and each 2 drive 3 Beam-forming network 6012 connects 2 auxiliary wave beam transceiver channel groups 6033 with interior calibration capability by isometric cable；Therefore altogether There are 4 antenna transceiver channels and 223 beam-forming networks of drive to be connected.
In baseband processing module 602, including base band Wave beam forming module 6021 and base band wave beam application module 6022.
Auxiliary wave beam transceiver channel is connected with base band Wave beam forming module 6021, and it has two kinds of ports, based on a kind of signal The main negative polarization port of wave beam, another kind supplemented by the main negative polarization port of wave beam.
Base band Wave beam forming module 6021 determines which wave beam transceiver channel carries out main ripple by amplitude and phase weighting The reception and transmission of beam and auxiliary wave beam.Because there are 2 groups of wave beam transceiver channel groups 6033 in main (auxiliary) antenna assembly, therefore 2 can be carried out The reception and transmission of individual auxiliary wave beam, and when two groups of wave beam transceiver channel groups 6033 are opened simultaneously, because for connecting wave beam Transceiver channel is consistent with the connection cables length of beam-forming network 6012, and wave beam transceiver channel can be additionally used in receiving and sending out The signal sent is corrected, so that it is consistent with the amplitude-phase change of the signal sent by 4 antenna transceiver channels receptions, because This can be synthesized to two wave beams, and main beam is simulated.So as to receive and send out in main beam coverage Control signal and service signal are sent, and/or, when single group wave beam transceiver channel group 6033 is opened, in auxiliary beam coverage Receive and send service signal.The horizontal directivity pattern of the main beam simulated is as shown in Figure 10.The main beam formed is simulated, it is controlled Channel processed does not distort, and the radiation diagram in main radiation direction is not also recessed significantly.
Base band Wave beam forming module 6021 in the amplitude and phase weighting for the signal for being transmitted and receiving, its amplitude and The weights of phase weighting can specifically represent that each element in array can correspond to an auxiliary wave beam and receive with a two-dimensional array Passage is sent out, can be represented with 1 or 0.When element is 1, auxiliary wave beam transceiver channel corresponding to expression is opened, can be auxiliary by this Wave beam transceiver channel carries out the reception and transmission of auxiliary wave beam；When element is 0, then it represents that corresponding auxiliary wave beam transceiver channel is closed, no Carry out the reception and transmission of auxiliary wave beam.The weights that base band Wave beam forming module 6021 is weighted can be [1 0], [0 1], distinguish Corresponding 2 auxiliary wave beams, when weights are [1 1], 2 auxiliary wave beams are synthesized, simulate connecing for main beam range signals Receive and send.
Base band wave beam application module 6022 is used to be connect according to pilot tone tenability, subscriber signal transmit power and reference signal At least one information in power RSRP is received, for controlling main (auxiliary) antenna assembly 601 to be received in main beam coverage With transmission control signal and partial service signal, main (auxiliary) antenna assembly 601 is controlled to receive and send out in auxiliary beam coverage Send service signal, or when main (auxiliary) antenna assembly 601 of control receives in main beam coverage and sends service signal, can Traffic Channel is switched into auxiliary wave cover by main beam covering, its method is specially：
For any one auxiliary wave beam, if the RSRP absolute differences between auxiliary wave beam maximum its RSRP and RSRP are more than Second setting thresholding, such as 6dB, then it is the element in the auxiliary beam set of reusable by these auxiliary beam definitions.The auxiliary ripple of reusable Also containing auxiliary wave beam maximum RSRP in addition to above-mentioned auxiliary wave beam in constriction conjunction.If the auxiliary beam set member prime number of reusable be more than 1, and Wave beam maximum RSRP is main beam in all wave beams, then judges between the maximum main beams of RSRP and the auxiliary wave beam of RSRP maximums RSRP absolute differences whether be less than first setting threshold value, be set to 9dB herein.If it is less, even if explanation will place The auxiliary wave beam is switched in the Traffic Channel of wave cover maximum RSRP to be covered, the covering performance of this user also will not There is too big loss.When above-mentioned two condition meets simultaneously, Traffic Channel is switched to by the maximum main beam coverings of RSRP Auxiliary wave cover maximum RSRP.The user for more meeting multiplexing condition is pushed into cover under auxiliary wave beam by this method, so as to increase The probability of wave beam multiplexing.The first threshold value herein can freely be set, by rationally setting different thresholdings, it is ensured that cover Lid performance is not in significantly sacrificing, and can increase the capacity gain that multiplexed band is come.
In the present embodiment, primary antenna device and auxiliary antenna assembly share the array antenna array of identical 3 and drive 3 for 22 with identical Beam-forming network.The length of cable that each antenna transceiver channel is driven with 2 between 3 beam-forming networks is consistent, and antenna is received Hair passage is additionally operable to be corrected the signal for receiving and sending, so that the signal that 4 antenna transceiver channels are received and sent Amplitude-phase change it is consistent.The width for the signal that antenna transceiver channel is received and transmitted under the control of baseband processing module Degree and phase weighting, so that 2 drive 2 auxiliary beam weightings synthesis, 1 main beam that 3 beam-forming networks are formed.So identical Aerial array and beam-forming network on realize the function of primary antenna device and auxiliary antenna assembly simultaneously, and pass through control Signal is received and dispatched by main beam, and service signal is received and dispatched by main beam and auxiliary wave beam, realizes capacity and the guarantee of raising system System covers substantially.So primary antenna apparatus function in previous embodiment is changed to be undertaken by auxiliary antenna assembly, foregoing primary antenna Device can without using or directly remove, if without using foregoing primary antenna device, foregoing primary antenna system can be independent For other frequency ranges, if removing foregoing primary antenna device, the terrace volume of antenna system can be reduced.
Figure 11 is a kind of structural representation for antenna system that the embodiment of the present invention five provides.As shown in figure 11, and implement Example four is similar, and primary antenna device and auxiliary antenna assembly share same aerial array, beam-forming network and receipts in the present embodiment Passage is sent out, here is omitted.The difference of the present embodiment and previous embodiment four is in main (auxiliary) antenna in the present embodiment Aerial array, beam-forming network and the transceiver channel of device change.It is specific as follows：
The main corresponding row cross-polarized arrays of identical 4 of (auxiliary) aerial array 7021, each polarised direction of array correspondingly connect Connect one 2 26S Proteasome Structure and Function for driving 4 beam-forming networks 7022,2,4 beam-forming networks 7022 of drive and drive 4 with 2 in embodiment three Beam-forming network is identical.Main (auxiliary) antenna assembly can be simulated with auxiliary wave beam to main beam, the main beam simulated Horizontal directivity pattern is as shown in figure 12.The main beam formed is simulated, its control channel does not distort, the radiation diagram in main radiation direction Also it is not recessed significantly.
In the present embodiment, primary antenna device and auxiliary antenna assembly share the array antenna array of identical 4 and drive 4 for 22 with identical Beam-forming network.The length of cable that each antenna transceiver channel is driven with 2 between 4 beam-forming networks is consistent, and antenna is received Hair passage is additionally operable to be corrected the signal for receiving and sending, so that the signal that 4 antenna transceiver channels are received and sent Amplitude-phase change it is consistent.The width for the signal that antenna transceiver channel is received and transmitted under the control of baseband processing module Degree and phase weighting, so that 2 drive 2 auxiliary beam weightings synthesis, 1 main beam that 4 beam-forming networks are formed.So identical Aerial array and beam-forming network on realize the function of primary antenna device and auxiliary antenna assembly simultaneously, and pass through control Signal is received and dispatched by main beam, and service signal is received and dispatched by main beam and auxiliary wave beam, is protected while realizing and improve power system capacity The basic covering of card.
Figure 13 is a kind of structural representation for antenna that the embodiment of the present invention six provides.As shown in figure 13, antenna 88 includes Primary antenna device 801 and auxiliary antenna assembly 802；
Primary antenna device 801, for forming main beam, and under the control of the baseband processing module of base station in master Receive in beam area and send control signal and service signal；
Auxiliary antenna assembly 802, for forming auxiliary wave beam, and under the control of baseband processing module in the auxiliary wave beam Service signal is received and sent in coverage.
Wherein, primary antenna device 801 is mainly used in completing covering substantially, and auxiliary antenna assembly 802 is used to improve capacity.
As a kind of feasible embodiment, on the basis of above-mentioned embodiment illustrated in fig. 13, wrapped in the primary antenna device Include M1Row first antenna array, the M1For the integer more than or equal to 1；The first antenna array includes L1Individual polarised direction, the L1 For the integer more than or equal to 1；The M1Row first antenna array is connected to M1×L1The individual primary antenna transceiver channel；This is first day Linear array connects with the baseband processing module, under the control of the baseband processing module, in the main beam coverage Receive and send control signal and service signal.
Specifically, primary antenna device 801 and auxiliary antenna assembly 802 can include respective aerial array respectively and receive and dispatch logical Road, auxiliary antenna assembly also include beam-forming network.Wherein, when antenna is active antenna, transceiver channel and aerial array, ripple Beam system integrating is arranged in antenna house；When antenna is passive antenna, aerial array and wave beam system integrating are arranged on antenna In cover, and transceiver channel is provided separately within radio-frequency module.In addition, the transceiver channel of primary antenna device 801 can be in base station Main beam is selected under the control of baseband processing module, the beam-forming network and transceiver channel of auxiliary antenna assembly 802 can be in bases Formed under the control for the baseband processing module stood and select auxiliary wave beam.
Alternatively, 1 row first antenna array can be included in primary antenna device, the first antenna array includes 2 polarization Direction；Also include 2 primary antenna transceiver channels in primary antenna device.
Alternatively, auxiliary antenna assembly can include M2The aerial array of row second, the M2For the integer more than 1；Second antenna array Row include L2Individual polarised direction, the L2For the integer more than or equal to 1；Also include L in the auxiliary antenna assembly2Individual auxiliary Wave beam forming Network, each auxiliary beam-forming network is N2Drive M2Beam-forming network, each N2Drive M2Beam-forming network acts on second day Same polarization array in linear array forms N2Individual auxiliary wave beam, each N2Drive M beam-forming networks connection N2The individual auxiliary antenna transmitting-receiving is logical Road, the N2For the integer more than 1；Second aerial array connects with the baseband processing module, in the baseband processing module Control under, in the auxiliary beam coverage receive and send service signal.
Alternatively, the auxiliary antenna assembly can also arrange second aerial array including 3, and second aerial array includes 2 Polarised direction, 223 beam-forming networks of drive are also included in the auxiliary antenna assembly, each 2, which drive 3 beam-forming networks, connects 2 Auxiliary antenna transceiver channel；Or the auxiliary antenna assembly includes 4 the second aerial arrays of row, second aerial array includes 2 polarization Direction, 224 beam-forming networks of drive are also included in the auxiliary antenna assembly, each 2, which drive 4 beam-forming networks, connects 2 auxiliary days Line transceiver channel.
As another feasible embodiment, on the basis of above-mentioned embodiment illustrated in fig. 13, the He of primary antenna device 801 Auxiliary antenna assembly 802 can correspond to same antenna array, beam-forming network and transceiver channel, under the implement scene, the master Antenna assembly corresponds to identical M with the auxiliary antenna assembly3Row third antenna array, the third antenna array include L3Individual polarization side To the M3For the integer more than 1, the L3For the integer more than or equal to 1；The primary antenna device corresponds to phase with the auxiliary antenna assembly Same L3Individual beam-forming network, each beam-forming network are N3Drive M3Beam-forming network, each N3Drive M3Wave beam forming net The same polarization array that network is acted in third antenna array forms N3Individual auxiliary wave beam, each N3Drive M3Beam-forming network connects N3 Individual antenna transceiver channel, N3For the integer more than 1；For each polarised direction, the N3Individual antenna transceiver channel is used in the base band Opened or closed under the control of processing module, so as to select auxiliary wave beam；For each polarised direction, the N3Individual antenna is received Hair passage is additionally operable to the amplitude and phase weighting for the signal being received and transmitted under the control of the baseband processing module, so that N3Individual auxiliary beam weighting synthesizes 1 main beam；The third antenna array, for receiving and sending out in the main beam coverage The control signal and service signal are given, and/or, receive and send the service signal in the auxiliary beam coverage.
It can include respective aerial array and transceiver channel respectively in primary antenna device 801 and auxiliary antenna assembly 802 Under implement scene, primary antenna device 801 can be made up of main antenna array 8011 and primary antenna transceiver channel group 8012.Primary antenna Transceiver channel group connects the baseband processing module of base station, and covers model in main beam under the control of the baseband processing module of base station Enclose interior reception and transmission control signal.Auxiliary antenna assembly 802 is by auxiliary aerial array 8021, auxiliary beam-forming network 8022 and auxiliary day Line transceiver channel group 8023 forms.
Wherein, main antenna array 8011 has the ability for supporting multiple frequency ranges.It can be M1Column array, wherein M1To be big In the integer equal to 1, the polarised direction of array can be L1It is individual, L1For the integer more than or equal to 1.Each primary antenna of primary antenna The corresponding polarised direction of transceiver channel group 8012；Primary antenna transmitting-receiving is logical corresponding to each polarised direction of main antenna array 8011 Include M in road group 80121Individual primary antenna transceiver channel.
Specifically, when main antenna array 8011 is single polarization, i.e. L1When=1, M1Row first antenna array is connected to M1Individual master Antenna transceiver channel；When main antenna array 8011 is multipolarization, i.e. L1>When 1, M1Row first antenna array is connected to M1×L1It is individual Primary antenna transceiver channel.
Auxiliary aerial array 8021 can also be in single-row or more array structures, can be single polarization or multipolarization.Assuming that auxiliary antenna array Row 1021 are in M2Row, wherein M2For the integer more than 1, the polarised direction of array can be L2It is individual, L2For the integer more than or equal to 1； The corresponding polarised direction of each auxiliary antenna transceiver channel group 8023 of auxiliary antenna, shares L2It is individual.Each polarised direction of array Include N in corresponding auxiliary antenna transceiver channel group 80232Individual transceiver channel, N2For the integer more than 1.
Also include L in auxiliary antenna assembly 8022Individual auxiliary beam-forming network 8022, each auxiliary beam-forming network 8022 is N2 Drive M2Beam-forming network, each N2Drive M2The same polarization array that beam-forming network is acted in the second aerial array forms N2 Individual auxiliary wave beam, each N2Drive M2Beam-forming network connects N2Individual auxiliary antenna transceiver channel；The N of corresponding each polarised direction2It is individual auxiliary Antenna transceiver channel is used to open or close under the control of the baseband processing module of base station, so as to select auxiliary wave beam.
In primary antenna device 801 and auxiliary antenna assembly 802 corresponding same antenna array, beam-forming network and transceiver channel Implement scene under, primary antenna device and auxiliary antenna assembly can also correspond to identical M3Array antenna array, the M3Array antenna array Including L3Individual polarised direction, M3For the integer more than 1, L3For the integer more than or equal to 1；The aerial array, you can in master Control signal and service signal are received and sent in beam coverage, and/or, receive and send in auxiliary beam coverage Service signal.
Primary antenna device 801 and the corresponding identical L of auxiliary antenna assembly 8023Individual beam-forming network, each Wave beam forming net Network is N3Drive M3Beam-forming network, each N3Drive M3Beam-forming network connects N3Individual antenna transceiver channel, N3To be whole more than 1 Number.
Alternatively, the N of corresponding each polarised direction3The individual antenna transceiver channel is for the baseband processing module in base station Opened or closed under control, to be made a choice to auxiliary wave beam；L3×N3Individual antenna transceiver channel is additionally operable to the letter to receiving and sending Number it is corrected, so that L3×N3The changes in amplitude and phase place change for the signal that individual antenna transceiver channel is received and sent keep one Cause.
Alternatively, for each polarised direction, the N3Individual antenna transceiver channel and the N3Drive M3Between beam-forming network Connection cables length is consistent.
Specifically, each antenna transceiver channel and N3Drive M3Connection cables length between beam-forming network is consistent；It is corresponding Each polarised direction, N3Individual antenna transceiver channel is additionally operable to be received and transmitted under the control of the baseband processing module of base station Signal amplitude and phase weighting so that N3Drive M3The N that beam-forming network is formed3Individual auxiliary beam weighting synthesizes 1 main ripple Beam.
In the present embodiment, under the control of the baseband processing module of base station, the primary antenna device in antenna covers in main beam Control signal and service signal are received and sent in the range of lid；Auxiliary antenna assembly receives and sent industry in auxiliary beam coverage Business signal.So control signal is received and dispatched by main beam, and service signal is received and dispatched in main beam and auxiliary wave beam, can between auxiliary wave beam To be multiplexed, the capacity of raising system is realized, while ensures basic covering.
Figure 14 is a kind of structural representation for base station that the embodiment of the present invention seven provides.As shown in figure 14, wrapped in base station 99 Containing baseband processing module 901, for controlling the primary antenna device in antenna to receive in the range of main beam and sending control letter Number and service signal；Auxiliary antenna assembly in control antenna receives and sent service signal in auxiliary beam coverage.
Alternatively, the baseband processing module is specifically used for：When the maximum wave beams of Reference Signal Received Power RSRP are main ripple Shu Shi, if the RSRP absolute differences between the main beam and the auxiliary wave beam of RSRP maximums are less than the first setting threshold value, And the auxiliary beam set member prime number of reusable is more than 1, then the Traffic Channel that the main beam maximum RSRP covers is switched to this The auxiliary wave cover maximum RSRP.
Alternatively, the auxiliary beam set interior element of the reusable is the maximum auxiliary wave beams of RSRP and this with RSRP maximums RSRP absolute differences between auxiliary wave beam are more than the auxiliary wave beam of the second setting threshold value.
Further, as another feasible embodiment, it may include base band Wave beam forming in baseband processing module 901 Module 9011 and base band wave beam application module 9012.
Base band Wave beam forming module 9011 by antenna receive and send signal amplitude and phase be weighted come Determine which auxiliary wave beam transceiver channel carries out the reception and transmission of auxiliary wave beam.
Base band wave beam application module 9012, for controlling the primary antenna device of antenna to receive and send in the range of main beam Control signal and service signal；Auxiliary antenna assembly in control antenna receives and sent business letter in auxiliary beam coverage Number.
Specifically, baseband processing module 901 can be used for when the maximum wave beams of Reference Signal Received Power RSRP are main beam When, if the RSRP absolute differences between the main beam and the auxiliary wave beam of RSRP maximums are less than the first setting threshold value, and can answer It is more than 1 with auxiliary beam set member prime number, then the Traffic Channel that the main beam maximum RSRP covers is switched into RSRP maximums Auxiliary wave cover.The auxiliary beam set interior element of its reusable is the maximum auxiliary wave beams of the RSRP and the auxiliary ripple maximum with the RSRP RSRP absolute differences between beam are more than the auxiliary wave beam of the second setting threshold value.
Under normal circumstances, baseband processing module 901 is arranged on baseband processing unit (Base band Unit, the letter of base station Claim BBU) it is internal.Specifically, the base band Wave beam forming module 9011 in baseband processing module 901 sends and receives in progress antenna Signal amplitude and phase weighting when, the weights of its amplitude and phase weighting can specifically be represented with a Multidimensional numerical, number Each element in group can be represented with one of respective antenna auxiliary wave beam transceiver channel with 1 or 0.When element is 1, Represent that corresponding auxiliary wave beam transceiver channel is opened in antenna, can be carried out by the auxiliary wave beam transceiver channel reception of auxiliary wave beam with Send；When element is 0, then it represents that corresponding auxiliary wave beam transceiver channel is closed, without the reception and transmission of auxiliary wave beam.Base band wave beam It can be [1 0], [0 1] to form the weights that module 6021 is weighted, and correspond to 2 auxiliary wave beams respectively, when weights are [1 1], 2 auxiliary wave beams are synthesized, simulate the reception and transmission of main beam range signals.
Specifically, the base band wave beam application module 9012 in baseband processing module 901 can be supported according to the pilot tone of antenna Ability, subscriber signal transmit power and Reference Signal Received Power (Reference Signal Receiving Power, abbreviation The factor such as RSRP), to control the aerial array of the primary antenna device in antenna that control is received and sent in main beam coverage Signal and service signal processed, the aerial array of the auxiliary antenna assembly in antenna is controlled to receive and send in auxiliary beam coverage Service signal.
Such as：The auxiliary beam set of reusable be present, supplemented by the element in the set auxiliary wave beam maximum RSRP in wave beam with And the RSRP absolute differences between the auxiliary wave beam maximum with RSRP are more than the auxiliary wave beam of the second setting threshold value.Then when RSRP most When big wave beam is main beam, if the absolute difference between main beam and the auxiliary wave beam of RSRP maximums is less than the first setting thresholding Value, and the auxiliary beam set member prime number of reusable is more than 1, then the base band wave beam application module 9012 in baseband processing module 901 can The maximum auxiliary wave covers of RSRP are switched to the Traffic Channel for covering main beam maximum RSRP.
In the present embodiment, pilot tone tenability, the subscriber signal transmit power of the baseband processing module of base station according to antenna With the factor such as Reference Signal Received Power, to control the aerial array of the primary antenna device in antenna in main beam coverage Control signal and service signal are received and sent, controls the aerial array of auxiliary antenna assembly in antenna in auxiliary beam coverage Interior reception and transmission service signal.So while ensureing that base station covers substantially, the capacity of base station is improved.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (21)

  1. A kind of 1. antenna system, it is characterised in that including：Primary antenna device, auxiliary antenna assembly and baseband processing module；
    The primary antenna device, is connected with the baseband processing module, for forming main beam, and at the base band Manage and receive and send control signal and service signal under the control of module in the main beam coverage；
    The auxiliary antenna assembly, is connected with the baseband processing module, for forming auxiliary wave beam, and at the base band Manage and receive and send the service signal in the auxiliary beam coverage under the control of module；
    The baseband processing module, for controlling the primary antenna device to be received in the main beam coverage and sending control Signal processed and the service signal, the auxiliary antenna assembly is controlled to receive and send the industry in the auxiliary beam coverage Business signal.
  2. 2. antenna system according to claim 1, it is characterised in that the primary antenna device includes M1Row first antenna Array, the M1For the integer more than or equal to 1；The first antenna array includes L1Individual polarised direction, the L1To be more than or Integer equal to 1；The M1Row first antenna array is connected to M1×L1The individual primary antenna transceiver channel；
    The first antenna array connects with the baseband processing module, under the control of the baseband processing module, Control signal and service signal are received and sent in the main beam coverage.
  3. 3. antenna system according to claim 2, it is characterised in that the primary antenna device includes 1 row described first Aerial array, the first antenna array include 2 polarised directions；Also include 2 primary antennas in the primary antenna device Transceiver channel.
  4. 4. according to the antenna system described in claim any one of 1-3, it is characterised in that the auxiliary antenna assembly includes M2Arrange Two aerial arrays, the M2For the integer more than 1；Second aerial array includes L2Individual polarised direction, the L2To be more than or Integer equal to 1；Also include L in the auxiliary antenna assembly2The individual auxiliary beam-forming network, each auxiliary Wave beam forming net Network is N2Drive M2Beam-forming network, each N2Drive M2The same polarization that beam-forming network is acted in the second aerial array Array forms N2Individual auxiliary wave beam, each N2Drive M2Beam-forming network connects N2The individual auxiliary antenna transceiver channel, the N2 For the integer more than 1；
    Second aerial array connects with the baseband processing module, under the control of the baseband processing module, Service signal is received and sent in the auxiliary beam coverage.
  5. 5. antenna system according to claim 4, it is characterised in that the auxiliary antenna assembly includes 3 row described second day Linear array, second aerial array include 2 polarised directions, 223 Wave beam formings of drive are also included in the auxiliary antenna assembly Network, each described 2, which drive 3 beam-forming networks, connects 2 auxiliary antenna transceiver channels；Or
    The auxiliary antenna assembly includes 4 row second aerial arrays, and second aerial array includes 2 polarised directions, institute Stating also includes 224 beam-forming networks of drive in auxiliary antenna assembly, 4 beam-forming networks of each 2 drive connection 2 is described auxiliary Antenna transceiver channel.
  6. 6. antenna system according to claim 1, it is characterised in that the primary antenna device and the auxiliary antenna assembly pair Answer identical M3Row third antenna array, the third antenna array include L3Individual polarised direction, the M3For the integer more than 1, The L3For the integer more than or equal to 1；The primary antenna device and the auxiliary antenna assembly correspond to identical L3The individual wave beam Network is formed, each beam-forming network is N3Drive M3Beam-forming network, each N3Drive M3Beam-forming network is made N is formed for the same polarization array in third antenna array3Individual auxiliary wave beam, each N3Drive M3Beam-forming network connects N3 The individual antenna transceiver channel, the N3For the integer more than 1；
    For each polarised direction, the N3The individual antenna transceiver channel is used to beat under the control of the baseband processing module On or off is closed, so as to select auxiliary wave beam；
    For each polarised direction, the N3The individual antenna transceiver channel is additionally operable under the control of the baseband processing module The amplitude and phase weighting for the signal being received and transmitted, so that N3The individual auxiliary beam weighting synthesizes 1 main beam；
    The third antenna array, for receiving and sending control signal and the business letter in the main beam coverage Number, and/or, receive and send the service signal in the auxiliary beam coverage.
  7. 7. antenna system according to claim 6, it is characterised in that the L3×N3The individual antenna transceiver channel is also used In：The signal for receiving and sending is corrected, so that the L3×N3The signal that the individual antenna transceiver channel is received and sent Amplitude-phase change it is consistent.
  8. 8. the antenna system according to claim 6 or 7, it is characterised in that for each polarised direction, the N3Individual antenna Transceiver channel and the N3Drive M3Connection cables length between beam-forming network is consistent.
  9. 9. according to the antenna system described in any one of claim 1-3,5-7, it is characterised in that the baseband processing module is specific For：When the maximum wave beams of Reference Signal Received Power RSRP are main beam, if the main beam and RSRP maximums RSRP absolute differences between the auxiliary wave beam are less than the first setting threshold value, and the auxiliary beam set member prime number of reusable is more than 1, then the Traffic Channel that the main beam maximum RSRP covers is switched into the maximum auxiliary wave beams of the RSRP and covered Lid.
  10. 10. antenna system according to claim 9, it is characterised in that the auxiliary beam set interior element of reusable is RSRP absolute differences between the auxiliary wave beam maximum RSRP and the auxiliary wave beam maximum with RSRP are set more than second Determine the auxiliary wave beam of threshold value.
  11. 11. a kind of antenna, it is characterised in that including primary antenna device and auxiliary antenna assembly；
    The primary antenna device, for forming main beam, and under the control of the baseband processing module of base station described Receive in the range of main beam and send control signal and service signal；
    The auxiliary antenna assembly, for forming auxiliary wave beam, and under the control of the baseband processing module described auxiliary The service signal is received and sent in beam coverage.
  12. 12. antenna according to claim 11, it is characterised in that the primary antenna device includes M1Row first antenna battle array Row, the M1For the integer more than or equal to 1；The first antenna array includes L1Individual polarised direction, the L1To be more than or waiting In 1 integer；The M1Row first antenna array is connected to M1×L1The individual primary antenna transceiver channel；
    The first antenna array connects with the baseband processing module, under the control of the baseband processing module, Control signal and service signal are received and sent in the main beam coverage.
  13. 13. antenna according to claim 12, it is characterised in that the primary antenna device includes 1 row described first day Linear array, the first antenna array include 2 polarised directions；Also include 2 primary antennas in the primary antenna device to receive Send out passage.
  14. 14. according to the antenna described in claim any one of 11-13, it is characterised in that the auxiliary antenna assembly includes M2Row second Aerial array, the M2For the integer more than 1；Second aerial array includes L2Individual polarised direction, the L2To be more than or waiting In 1 integer；Also include L in the auxiliary antenna assembly2The individual auxiliary beam-forming network, each auxiliary beam-forming network For N2Drive M2Beam-forming network, each N2Drive M2The same polarization battle array that beam-forming network is acted in the second aerial array Row form N2Individual auxiliary wave beam, each N2Drive M2Beam-forming network connects N2The individual auxiliary antenna transceiver channel, the N2For Integer more than 1；
    Second aerial array connects with the baseband processing module, under the control of the baseband processing module, Service signal is received and sent in the auxiliary beam coverage.
  15. 15. antenna according to claim 14, it is characterised in that the auxiliary antenna assembly includes 3 row second antennas Array, second aerial array include 2 polarised directions, 223 Wave beam forming nets of drive are also included in the auxiliary antenna assembly Network, each described 2, which drive 3 beam-forming networks, connects 2 auxiliary antenna transceiver channels；Or
    The auxiliary antenna assembly includes 4 row second aerial arrays, and second aerial array includes 2 polarised directions, institute Stating also includes 224 beam-forming networks of drive in auxiliary antenna assembly, 4 beam-forming networks of each 2 drive connection 2 is described auxiliary Antenna transceiver channel.
  16. 16. antenna according to claim 11, it is characterised in that the primary antenna device and the auxiliary antenna assembly are corresponding Identical M3Row third antenna array, the third antenna array include L3Individual polarised direction, the M3For the integer more than 1, institute State L3For the integer more than or equal to 1；The primary antenna device and the auxiliary antenna assembly correspond to identical L3The individual wave beam shape Into network, each beam-forming network is N3Drive M3Beam-forming network, each N3Drive M3Beam-forming network acts on Same polarization array in third antenna array forms N3Individual auxiliary wave beam, each N3Drive M3Beam-forming network connects N3It is individual The antenna transceiver channel, the N3For the integer more than 1；
    For each polarised direction, the N3The individual antenna transceiver channel is used to beat under the control of the baseband processing module On or off is closed, so as to select auxiliary wave beam；
    For each polarised direction, the N3The individual antenna transceiver channel is additionally operable under the control of the baseband processing module The amplitude and phase weighting for the signal being received and transmitted, so that N3The individual auxiliary beam weighting synthesizes 1 main beam；
    The third antenna array, for receiving and sending control signal and the business letter in the main beam coverage Number, and/or, receive and send the service signal in the auxiliary beam coverage.
  17. 17. antenna according to claim 16, it is characterised in that the L3×N3The individual antenna transceiver channel is additionally operable to： The signal for receiving and sending is corrected, so that the L3×N3The signal that the individual antenna transceiver channel is received and sent Amplitude-phase change is consistent.
  18. 18. the antenna according to claim 16 or 17, it is characterised in that for each polarised direction, the N3Individual antenna is received Send out passage and the N3Drive M3Connection cables length between beam-forming network is consistent.
  19. A kind of 19. base station, it is characterised in that including：Baseband processing module；
    The baseband processing module, for controlling the primary antenna device in antenna to receive in the range of main beam and sending control letter Number and service signal；The auxiliary antenna assembly in the antenna is controlled to receive and send the business in auxiliary beam coverage Signal.
  20. 20. base station according to claim 19, it is characterised in that the baseband processing module is specifically used for：When with reference to letter When wave beam maximum number receiving power RSRP be main beam, if between the main beam and the auxiliary wave beam of RSRP maximums RSRP absolute differences be less than the first setting threshold value, and the auxiliary beam set member prime number of reusable is more than 1, then RSRP is maximum The Traffic Channel of main beam covering switch to the maximum auxiliary wave cover of the RSRP.
  21. 21. base station according to claim 20, it is characterised in that the auxiliary beam set interior element of reusable be RSRP most RSRP absolute differences between the big auxiliary wave beam and the auxiliary wave beam maximum with RSRP are more than the second setting thresholding The auxiliary wave beam of value.
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CN109004366B (en) 2017-06-06 2021-07-16 华为技术有限公司 Antenna device and beam adjusting method
EP3469654B1 (en) * 2017-06-27 2020-02-19 Telefonaktiebolaget LM Ericsson (PUBL) Antenna arrangements for a radio transceiver device
CN107645314A (en) * 2017-08-30 2018-01-30 努比亚技术有限公司 Antenna handover trigger control method, communication terminal and computer-readable recording medium
CN107465428A (en) * 2017-08-30 2017-12-12 努比亚技术有限公司 Antenna handover trigger control method, communication terminal and computer-readable recording medium
CN107580123A (en) * 2017-08-30 2018-01-12 努比亚技术有限公司 Antenna handover trigger control method, communication terminal and computer-readable recording medium
CN109346842B (en) * 2018-08-27 2020-07-28 京信通信技术(广州)有限公司 Wave width adjustable antenna
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