CN103401079A - Antenna - Google Patents
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- CN103401079A CN103401079A CN2013103068891A CN201310306889A CN103401079A CN 103401079 A CN103401079 A CN 103401079A CN 2013103068891 A CN2013103068891 A CN 2013103068891A CN 201310306889 A CN201310306889 A CN 201310306889A CN 103401079 A CN103401079 A CN 103401079A
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Abstract
The invention relates to the technical field of mobile communication, and discloses an antenna for solving the technical problem that in the prior art, up and down links are asymmetric. The antenna comprises antenna subarrays for transmitting K-way transmitting signals and receiving K-way receiving signals, K feed networks, K sets of combining and branching filters separately connected with the K feed networks, a processing module connected with the K sets of combining and branching filters for acquiring the K-way transmitting signals based on N-way transmitting signals and acquiring M-way receiving signals based on K-way receiving signals, wherein the ith feed network of the K feed networks is connected with the ith antenna array of K antenna arrays, and N and M are different positive integers. As appropriate N and M values can be determined according to expected data transmission rates at the data sending end and the data receiving end, up and down rates are matched with each other, so that the technical effect of symmetric up and down links is realized.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of antenna.
Background technology
Develop rapidly along with mobile communication technology, people constantly propose higher requirement to the capacity of communication system, transmission rate etc., a series of network capacity lift techniques and framework are suggested, antenna is the important component part of mobile communication system, by antenna base station, base station can be sent to subscriber equipment to the downstream signal of subscriber equipment, and can receive the upward signal that subscriber equipment is sent to.
In order to increase the base station system capacity, produced antenna technology, antenna is called again adaptive antenna, specifically refer to the employing aerial array, according to the spatial character of signal, can self adaptation adjust weighted value, to adjust its direction circle diagram, form a plurality of adaptive beam, reach the antenna that suppresses to disturb, extract the signal purpose.On up direction, by antenna, upward signal can be applied to different weights, the signal from the purpose user is amplified to processing, suppress simultaneously to disturb from other users' signal; And, on down direction, can use weight to amplify downstream signal, and then point to the purpose user sending energy, reduce simultaneously the interference that is positioned at the user on other direction of base station.
Wherein, antenna mainly comprises for the effect of system:
(1) high specific by a plurality of antenna channels power merges and Array Signal Processing, has obviously improved receiving sensitivity;
(2) beamforming algorithm makes base station for the reception of different user and the very high directive property of emission, so the interference between the user spatially can access good isolation;
(3) the space isolation of wave beam forming to inter-user interference;
(4) by beamforming algorithm, can realize the flexible adjustment of broadcast beam width, this makes the adjustment of Cell Broadcast CB coverage can realize that by software algorithm (broadcast beam of conventional antenna for base station is fixing immutable, if want to adjust coverage, must change antenna), thus network optimization efficiency obviously improved;
(5) by antenna array being carried out to wave beam forming, make downstream signal can aim at (or user of several diverse locations a) user, this is equivalent to the ERP that has improved transmitter.
At present, generally time division duplex (TDD:time-division duplex) base station adopts 8 antenna technologies to carry out transfer of data; Frequency Division Duplexing (FDD) (FDD:Frequency Division Duplexing) base station adopts 2 antenna technologies to carry out transfer of data.
In such scheme, the transmission channel of base station is identical with the quantity of receive path, but because the power of the antenna of base station and terminal is not identical, so, can cause the transmission rate of base station greater than receiving velocity, that is to say in prior art and exist the asymmetric technical problem of uplink downlink.
Summary of the invention
The embodiment of the present invention provides a kind of antenna, for solving the asymmetric technical problem of prior art data uplink downlink.
According to a first aspect of the invention, provide a kind of antenna, comprising: the antenna submatrix, this antenna submatrix comprises K antenna a period of time, and this antenna submatrix transmits and receives K road reception signal for launching the K road, and wherein, K is positive integer; K feeding network, i feeding network in this K feeding network was connected with this K antenna i antenna a period of time in a period of time, wherein, this i is arbitrary integer of 1 to K, and this K feeding network is for providing this K road to transmit to this K antenna a period of time and receiving signal for from this K antenna a period of time, obtaining this K road; K makes up branching filter, with this K feeding network, is connected one by one, and this K combination branching filter is for transmitting to this K road and this K road receives signal and merges processing; Processing module, is connected with this K combination branching filter, and this processing module obtains for based on the N road, transmitting that this K road transmits and receive signal acquisition M road reception signal based on this K road, and wherein, N and M are different positive integers.
In conjunction with first aspect, in the possible implementation of the first, this processing module comprises: N drives the K processing module that transmits, and for this N road is transmitted, processes to obtain this K road and transmit; Or this N drives K and transmits processing module for this N road is transmitted and directly as this K road, transmits, and this moment, N was identical positive integer with K; M drives K and receives signal processing module, for this K road being received to signal, processes this M road reception signal of acquisition; Or this M drives K and receives signal processing module and directly as this M road, transmit for this K road is received to signal, and this moment, M was identical positive integer with K.
In conjunction with the possible implementation of the first of first aspect, in the possible implementation of the second, at N, be during more than or equal to 2 positive integer, this N drives the K processing module that transmits, be specially: mixer, for the two-way at least that this N road is transmitted, transmit and close road and process, and then obtain this K road and transmit; Or
This N drives the K processing module that transmits, and is specially: power splitter transmits and carries out shunt and process at least one road that this N road is transmitted, and then obtains this K road and transmit; Or
At N, be during more than or equal to 2 positive integer, this N drives the K processing module that transmits, and specifically comprises: mixer, for the two-way at least that this N road is transmitted, transmit and close the road processing, and then obtain the P road and transmit, wherein, P is the positive integer less than N; And power splitter, at least one road that this P road is transmitted, transmit and carry out shunt and process, and then obtain this K road and transmit; Or
This N drives the K processing module that transmits, and specifically comprises: power splitter, and at least one road that this N road is transmitted, transmit and carry out shunt and process, and then obtain the Q road and transmit, wherein, Q is the positive integer greater than N; And mixer, for the two-way at least that this Q road is transmitted, transmit and carry out shunt and process, and then obtain this K road and transmit.
In conjunction with the possible implementation of the first of first aspect, in the third possible implementation, at K, be during more than or equal to 2 positive integer, this M drives K and receives signal processing module, be specially: mixer, for the two-way at least that this K road is received to signal, receive signal and close the road processing, and then obtain this M road reception signal; Or
This M drives K and receives signal processing module, is specially: power splitter receives signal at least one road that this K road is received to signal and carries out the shunt processing, and then obtains this M road reception signal; Or
At K, be during more than or equal to 2 positive integer, this M drives K and receives signal processing module, specifically comprises: mixer, for the two-way at least that this K road is received to signal, receive signal and close the road processing, and then obtain R road reception signal, wherein, R is the positive integer less than K; And power splitter, at least one road that this R road is received to signal, receive signal and carry out the shunt processing, and then obtain this M road reception signal; Or
This M drives K reception signal processing module, specifically comprises: power splitter, and at least one road that this K road is received to signal, receive signal and carry out the shunt processing, and then obtain S road reception signal, wherein, S is the positive integer greater than K; And mixer, for the two-way at least that this S road is received to signal, receive signal and carry out the shunt processing, and then obtain this this this M road reception signal.
In conjunction with the possible implementation of the second of first aspect or the third possible implementation, in the 4th kind of possible implementation, this N drives the K processing module that transmits, also comprise: the first phase shifter, carry out the phase shift processing at least one road transmitted signal to this N road transmits, this P road transmits, this Q road transmits or this K road transmits; Or this M drives K and receive signal processing module, also comprises: the second phase shifter receives signal, this S road and receives at least one road that signal or this M road receive signal and receive signal and carry out the phase shift processing for this K road being received to signal, this R road.
Beneficial effect of the present invention is as follows:
Due to a kind of antenna being provided in the embodiment of the present application, wherein, this antenna can by processing module by the N road transmit be treated to the K road transmit after the emission, and process after the K road of reception reception signal can being treated to M road reception signal, wherein N is the positive integer different from M, namely provide a kind of N to send out the antenna that M receives, and then, can be according to the expected data transmission rate of data sending terminal and receiving terminal, determine suitable N and M value, and then up-downgoing speed is complementary, reached the technique effect of up-downgoing symmetry.
The accompanying drawing explanation
Fig. 1 is the structure chart of antenna in the embodiment of the present application;
Fig. 2 is the structure chart of the further refinement of the embodiment of the present application antenna;
Fig. 3 is the structure chart of the antenna of one transmitter and four receivers in the embodiment of the present application one;
Fig. 4 is the horizontal plane wave beam comparison diagram of transmitting-receiving port of transmitting-receiving port of the antenna of one transmitter and four receivers in the embodiment of the present application one;
Fig. 5 is the structure chart of two one antennas of receiving in the embodiment of the present application two;
Fig. 6 is the flow chart of the method for the signal transmitting and receiving of antenna in the embodiment of the present application.
Embodiment
in order to solve the asymmetric technical problem of existing uplink downlink in prior art, a kind of antenna is provided in the embodiment of the present invention, this antenna can by processing module by the N road transmit be treated to the K road transmit after the emission, and process after the K road of reception reception signal can being treated to M road reception signal, wherein N is the positive integer different from M, namely provide a kind of N to send out the antenna that M receives, and then, can be according to the expected data transmission rate of data sending terminal and receiving terminal, determine suitable N and M value, and then up-downgoing speed is complementary, reached the technique effect of up-downgoing symmetry.
For the purpose, technical scheme and the advantage that make 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.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
On the one hand, the embodiment of the present invention provides a kind of antenna, please refer to Fig. 1, and this antenna specifically comprises following structure:
Antenna submatrix 10, this antenna submatrix comprise K antenna a period of time 10a, and this antenna submatrix 10 transmits and receives K road reception signal be used to launching the K road, and wherein, K is positive integer;
K makes up branching filter 12, with this K feeding network 11, is connected one by one, and this K combination branching filter 12 is for transmitting to this K road and this K road receives signal and merges processing;
In specific implementation process, between antenna submatrix 10, can level lay also and can vertically lay.
This antenna a period of time 10a can be single polarization a period of time, also can be dual polarization a period of time, if and this antenna a period of time 10a is dual polarization a period of time, so, main pole a period of time and cross polarization a period of time of in this antenna submatrix 10, comprising equal number, if when statistics, only add up the data in polarization, send situation, so, 10 of this antenna submatrixs comprise and namely comprise K main pole a period of time and K cross polarization a period of time; If add up two data on polarised direction, send situation, so, 10 of this antenna submatrixs are to comprise K/2 main pole a period of time and K/2 cross polarization a period of time;
In specific implementation process, this K feeding network 11 is one-to-one relationship with this antenna a period of time 10a, wherein, if this antenna a period of time, 10a was dual polarization a period of time, 11 of this feeding networks comprise K main pole feeding network and K cross polarization feeding network so, a this K main pole feeding network main pole feeding network was connected with the main pole a period of time in this antenna a period of time 10a, and this K cross polarization feeding network was connected with the cross polarization a period of time in this antenna a period of time 10a.
This K feeding network 11, specifically for providing signal to connect for this K antenna a period of time, the K road that namely this K antenna a period of time is received receives signal and is sent to this this processing module 12, and the K road of simultaneously this processing module 12 being processed to acquisition transmits and transfers to this antenna submatrix 10.
Further, this K feeding network 11, also for:
Vertical phase place to this K antenna a period of time 10a is adjusted, and then this K road is transmitted and with this K road, receives signal and carry out vertical sliding and process mutually.
In specific implementation process, can to connected antenna a period of time 10a, carry out vertical phase place adjustment respectively by this K feeding network 11, and then adjustment antenna a period of time 10a beam position in the vertical direction, when by antenna submatrix 10 emission K roads, transmitting or receiving K road reception signal, this K road transmits or K road phase of received signal can change, and then to allow to obtain preferably emission or reception.
Wherein, please refer to Fig. 2, each the combination branching filter in this K combination branching filter 12 can comprise again following one or more submodule:
Receiving filter 12c, in like manner owing to by mixer 12a, this K road being transmitted and this K road receives signal and carried out merging and process, so transmitting, this K road also may transfer to the K road receive path that this K road receives signal by mixer 12a, and then K road reception signal is caused to interference, in order to prevent this situation, can between mixer 12a and processing module 13, receiving filter 12c be set, be used to filtering out other interference signal that receives outside frequency range.
In specific implementation process, please continue to refer to Fig. 2, this processing module 13 can comprise following structure again:
N drives the K processing module 13a that transmits, this N drives the K processing module 13a that transmits and specifically for based on this N road, transmitting, obtains this K road and transmit, wherein, this N road transmits as transmitting of obtaining from N data transmit port, take the equipment that is applied to this antenna as base station as example, so, this N data transmit port is: this antenna receives the port of data from base station, base station transfers to this N by the downlink data data by this N data transmit port and drives the K processing module 13a that transmits, then by this N, driving the K processing module 13a that transmits obtains this K road and transmits.
This N drives the K processing module 13a that transmits and can obtain in several ways this K road and transmit, and two kinds that below enumerate wherein are introduced, and certainly, in specific implementation process, are not limited to following two kinds of situations.
The first, this N drives the K processing module 13a that transmits, and for this N road is transmitted, processes to obtain this K road and transmit.
In this case, this N drives the K processing module 13a that transmits and can adopt various ways to transmit and process this N road, and then its corresponding functional module is also different, below will introduce four kinds of situations wherein, certainly, in specific implementation process, be not limited to following four kinds of situations.
(1) at N, be during more than or equal to 2 positive integer, this N drives the K processing module 12a that transmits, and is specially:
Mixer, transmit and close road and process for the two-way at least that this N road is transmitted, and then obtain this K road and transmit.
In specific implementation process, based on the different of the specification of this mixer with to the difference of the design of the circuit of this antenna, this mixer can close to any several signals in this N road signal road and process, such as: if this mixer is two to advance a mixer that outes, two paths of signals in the N road can being transmitted is merged into a road signal, if exist a plurality of two to advance a mixer that outes, so, the N road can be transmitted and divide into groups in twos, then by these a plurality of mixers, process respectively; And if this mixer is three to advance a mixer that outes, so, the middle De Mei tri-road signals that the N road can be transmitted are merged into road signal etc.
In this case, the quantity that transmits less than the N road of the quantity that transmits of K road.
(2) this N drives the K processing module 13a that transmits, and is specially:
Power splitter, receive signal at least one road that this N road is transmitted and carry out shunt processing, and then obtain this K road and transmit.
In specific implementation process, power splitter can be divided into one-to-two (the namely corresponding two-way output signal of a road input signal), one minute three (namely corresponding three-way output signal of a road input signal) etc. usually according to output.Wherein, the multichannel in can transmitting to this N road by a plurality of power splitters transmits and carries out shunt, and then obtains this K road and transmit.
In this case, the quantity that the quantity that the K road transmits transmits greater than this N road, and the N road transmit be by base station or terminal via transmitting that N data passage is sent to, so can reduce the quantity of data channel, and then have cost-saving technique effect; And, due to N less than K, so a circuit-switched data passage can corresponding mattress array, thereby by the flexible combination of this mattress array, can change the distribution of emittance in space, to adopt best mode transmitted signal, have the technique effect that improves signal transmitting power.
(3) at N, be during more than or equal to 2 positive integer, this N drives the K processing module 12a that transmits, and specifically comprises:
Mixer, transmit and close road and process for the two-way at least that this N road is transmitted, and then obtain the P road and transmit, and wherein, P is the positive integer less than N; And
Power splitter, transmit and carry out shunt and process at least one road that this P road is transmitted, and then obtain this K road and transmit.
Specifically, partly or entirely transmitting in namely first the N road being transmitted closed road and processed, and then to through closing road, processing the P road that obtains and transmit and carry out shunt and process, and then acquisition K road transmits.In this case, N can be less than K, for example: suppose that N is 2, K is 4, so, can at first by one two, advance a mixer that outes, two-way is transmitted and merges into that riches all the way penetrates signal, then by dividing one by one four power splitters, and then will riches all the way penetrate signal and be divided into four tunnels and transmit; N also can equal K, for example: suppose that N is that 4, K is 4, wherein, first by two two, advancing one goes out mixer ，Jiang tetra-tunnels and transmits and merge into two-way and transmit, then by one minute three power splitter, two-way Zhong De mono-tunnel that transmits is divided into to three tunnels and transmits, and then obtain four tunnels and transmit; N also can be greater than K, for example: suppose that N is that 4, K is 2, so, can first 4 tunnels be transmitted and by four, advance place's mixer and merge into that riches all the way and penetrate signal, then by the one-to-two power splitter, will riches all the way penetrate signal and be divided into two-way and transmit.
(4) this N drives the K processing module that transmits, and specifically comprises:
Power splitter, transmit and carry out shunt and process at least one road that this N road is transmitted, and then obtain the Q road and transmit, and wherein, Q is the positive integer greater than N; And
Mixer, transmit and carry out shunt and process for the two-way at least that this Q road is transmitted, and then obtain this this this K road and transmit.
Specifically, namely first the N road is transmitted and carries out the merit divisional processing, then merit is divided to acquisition
The Q road transmits and closes the road processing, and then acquisition K road transmits, in specific implementation process, this processing procedure is similar with the process of first processing, processing by power splitter by mixer, so introduce no longer in detail at this, in this case, N and K do not have size restriction yet, namely N both can greater than K, also can be less than K, can also equal K.
In such scheme (3) and scheme (4), can be by the flexible combination of mixer and power splitter, realize the N road is transmitted and is treated to the purpose that the K road transmits, wherein the size for N and K can arbitrarily make up, so, have the N road transmitted and is converted to the K road technique effect more flexibly that transmits.
The second, this N drive the K processing module 13a that transmits, and for this N road is transmitted and directly as this K road, transmits, this moment, N was identical positive integer with K.
Specifically, namely this this N drives the K processing module 13a that transmits the transparent transmission function is provided, and the data transmission passage that directly will be transmitted by the N road that N data transmit port obtains based on antenna sends, and does not need it is carried out the change of quantity.
Further, in specific implementation process, this N drives the K processing module that transmits, and also comprises:
The first phase shifter, carry out the phase shift processing at least one road transmitted signal to this N road transmits, this P road transmits, this Q road transmits or this K road transmits.
Here the effect of the first phase shifter is mainly that at least one road to front transmits and carries out the change of phase angle, thereby produce the deflection wave beam, and then change the beam position that this at least one road transmits, thereby make to transmit, a better coverage can be arranged, to reach preferably launching effect.
Specifically, namely in the arbitrary process that is sent by antenna that will transmit, can to the phase place that transmits, adjust by this first phase shifter, based on N, drive the transmit difference of processing module of K, this first phase shifter is processed the phase shift that transmits, and may comprise one or more situations in following several situation, certainly, in specific implementation process, be not limited to following several situation.
(1) obtain before the K road transmits based on this N road, transmitting, at least one road during this N road is transmitted transmits and carries out the phase shift processing;
In this case, this N drives the K processing module that transmits and can drive for four kinds of N that front is introduced transmit any one in processing module of K.
In addition, based on the N road, transmitting and obtain the K road and transmit here, can be that this N road is transmitted and transmits as this K road, can be also this N road is transmitted and is treated to this K road and transmits, and this application is not restricted.
(2) before at least one road in this P road is transmitted transmitted and carries out the shunt processing, at least one road during this P road is transmitted transmitted and carries out the phase shift processing;
In this case, this N drive K transmit processing module be front introduce (3) plant N and drive the K processing module that transmits.
(3) before the two-way at least in this Q road is transmitted transmitted and carries out the shunt processing, at least one road during this Q road is transmitted transmitted and carries out the phase shift processing;
In this case, this N drive K transmit processing module be front introduce (4) plant N and drive the K processing module that transmits.
(4) obtain after the K road transmits based on this N road, transmitting, at least one road during this K road is transmitted transmits and carries out the phase shift processing.
In this case, this N drives the K processing module that transmits and can drive for four kinds of N that front is introduced transmit any one in processing module of K.
In addition, based on the N road, transmitting and obtain the K road and transmit here, can be that this N road is transmitted and transmits as this K road, can be also this N road is transmitted and is treated to this K road and transmits, and this application is not restricted.
M drives K and receives signal processing module 13b, this M drives K and receives signal processing module 12b specifically for by this K road, receiving this M road reception signal of signal acquisition, this M drives K reception signal processing module 12b and can adopt various ways to obtain this M road reception signal, below introduce two kinds of modes wherein, certainly, in specific implementation process, be not limited to following two kinds of modes.
The first, this M drives K and receives signal processing module 13b, for this K road being received to signal, processes this M road reception signal of acquisition;
In this case, this M drives K reception signal processing module 12b and can adopt various ways to process this K road reception signal, and then its functional module that comprises is also different, four kinds that below enumerate wherein are introduced, certainly, in specific implementation process, be not limited to following four kinds of situations.
(1) at K, be during more than or equal to 2 positive integer, this M drives K and receives signal processing module 12b, is specially:
Mixer, receive signal for the two-way at least that this K road is received to signal and close the road processing, and then obtain this M road reception signal;
Because to be treated to the mode that the K road transmits similar by the K road N road being transmitted based on mixer of receiving that signal is treated to that the M road receives that the mode of signal and front introduce based on mixer, so do not repeat them here.
In such scheme, owing to the K road being received to signal, merge into the M road and receive signal, so, reduce the quantity of the data channel of data receiver, thereby had the technique effect that reduces costs, and, also can facilitate and follow-uply process to received signal.
(2) this M drives K and receives signal processing module 13b, is specially:
Power splitter, receive signal at least one road that this K road is received to signal and carry out the shunt processing, and then obtain this M road reception signal;
Because to be treated to the mode that the K road transmits similar by the K road N road being transmitted based on power splitter of receiving that signal is treated to that the M road receives that the mode of signal and front introduce based on power splitter, so do not repeat them here.
(3) at K, be during more than or equal to 2 positive integer, this M drives K and receives signal processing module 12b, specifically comprises:
Mixer, receive signal for the two-way at least that this K road is received to signal and close the road processing, and then obtain R road reception signal, and wherein, R is the positive integer less than K; And
Power splitter, receive signal at least one road that this R road is received to signal and carry out the shunt processing, and then obtain this M road reception signal;
Because first to be treated to the mode that the K road transmits similar by the K road N road being transmitted based on mixer and power splitter of receiving that signal is treated to that the M road receives that the mode of signal and front introduce based on mixer and then by power splitter, so do not repeat them here.
(4) this M drives K and receives signal processing module 13b, specifically comprises:
Power splitter, receive signal at least one road that this K road is received to signal and carry out the shunt processing, and then obtain S road reception signal, and wherein, S is the positive integer greater than K; And
Mixer, receive signal for the two-way at least that this S road is received to signal and carry out the shunt processing, and then obtain this this this M road reception signal.
Because first to be treated to the mode that the K road transmits similar by the K road N road being transmitted based on power splitter and mixer of receiving that signal is treated to that the M road receives that the mode of signal and front introduce based on power splitter and then by mixer, so do not repeat them here.
In such scheme (3) and scheme (4), can be by the flexible combination of mixer and power splitter, the M road that generates any amount receives signal, and wherein the size of M and K does not limit, so have the mode technique effect more flexibly that generates M road reception signal.
The second, this M drive K and receive signal processing module 13b, specifically for: this K road is received to signal and directly as this M road, receive signal, this moment, M was identical positive integer with K.Specifically, namely this M drives K reception signal processing module 12b the transparent transmission function is provided, and the quantity of this K road reception signal is not changed, and directly it is received to signal, carries out subsequent treatment.
Further, this M drives K and receives signal processing module, also comprises:
The second phase shifter, at least one road that receives signal for this K road being received to signal, this R road reception signal, this S road reception signal or this M road receives signal and carries out the phase shift processing.
Here the effect of the second phase shifter is mainly that at least one road to front receives signal and carries out the change of phase angle, thereby produce the deflection wave beam, and then change the beam position that this at least one road receives signal, thereby make to receive signal, a better coverage can be arranged, to reach preferably reception.
Specifically, namely in receiving the arbitrary process of signal by antenna reception, can adjust by this second phase shifter phase place to received signal, based on M, drive the difference that K receives signal processing module, this second phase shifter is processed the phase shift that transmits, and may comprise one or more situations in following several situation, certainly, in specific implementation process, be not limited to following several situation.
(1) before based on this K road, receiving signal acquisition M road reception signal, at least one road reception signal that this K road is received in signal carries out the phase shift processing;
In this case, this M drives K and receives signal processing module and can drive for four kinds of N that front is introduced transmit any one in processing module of K.
In addition, based on the K road, receiving signal acquisition M road here and receive signal, can be this K road to be received to signal as this M road, receive signal, can be also this K road reception signal to be treated to this M road receive signal, and this application is not restricted.
(2) before at least one road reception signal in the R road is received to signal carried out the shunt processing, at least one road reception signal that this R road is received in signal carried out the phase shift processing;
In this case, this M drive K receive signal processing module be front introduce (2) plant M and drive K and receive signal processing module.
(3) before the reception of the two-way at least signal in the S road is received to signal carries out the shunt processing, at least one road reception signal that this S road is received in signal carries out the phase shift processing;
In this case, this M drive K receive signal processing module be front introduce (3) plant M and drive K and receive signal processing module.
(4) after based on this K road, receiving signal acquisition M road reception signal, at least one road reception signal that this M road is received in signal carries out the phase shift processing.
In this case, this M drives K and receives signal processing module and can drive for four kinds of N that front is introduced transmit any one in processing module of K.
In addition, based on the K road, receiving signal acquisition M road here and receive signal, can be this K road to be received to signal as this M road, receive signal, can be also this K road reception signal to be treated to this M road receive signal, and this application is not restricted.In specific implementation process, after based on this M, driving K reception signal processing module 12b acquisition M road reception signal, just can it be transferred to the external treatment module by M data receiving port of this antenna processes, or take this antenna as the antenna that is applied to the base station end as example, this M data receiving port is day port of alignment base-station transmission data so.
In specific implementation process, in order to solve the asymmetric technical problem of uplink downlink, what just N and M need to be arranged is different, so, this this N drives transmit processing module 12a and this M of K and drives K and receive and between signal processing module 12b, can only have at most one the transparent transmission function is provided, certainly, can all not provide the transparent transmission function yet.
In addition, in specific implementation process, data sending terminal or data receiver can be realized the transparent transmission function, so only need at one end to carry out the conversion of signal, thereby, reduced the quantity of the functional module that signal is processed, further have the technique effect that reduces costs.
In addition, in specific implementation process, in antenna a period of time that this antenna submatrix 20 comprises, be that dual polarization is during a period of time, also can only add up like-polarized data input and data output situation, for example: suppose that antenna comprises 4 antenna submatrixs 10, wherein, 4 main pole antenna a period of time, 4 cross polarised antenna a period of time; There are 4 main power feed networks in corresponding 4 main pole antenna a period of time, and there are 4 cross polarization feeding networks in corresponding 4 cross polarization a period of time; Wherein, riches all the way penetrates signal and via one minute four power splitter, is divided into four tunnels and transmits, then by 4 main pole antenna a period of time, send, another road transmits and via one minute four power splitter, is divided into four tunnels and transmits, and then by 4 cross polarised antenna a period of time, sends; When receiving data, 4 tunnels that receive via 4 road main pole antenna a period of time receive signal and directly by the transparent transmission function, pass to the external signal processing unit by the 4 tunnels reception signals that 4 road cross polarised antenna a period of time received, in this case, only add up the data in polarization and send situation, N=1 namely, K=4, M=4; The data of adding up on two polarised directions send situation, N=2 namely, K=8, M=8.
Further, in specific implementation process, in antenna a period of time that this antenna submatrix 20 comprises, be that dual polarization is during a period of time, this N drives the K processing module 12a that transmits can only comprise one group, namely main pole and cross-polarized signal are merged to processing, also can comprise two groups, namely main pole and cross-polarized signal are separated to processing, if and main pole and cross-polarized signal are separated to processing, can reduce the degree of correlation of main pole signal and cross polarization signal, thereby reach polarization effect preferably; In like manner, this M drives K reception signal processing module 12b can only comprise one group, and then main pole signal and cross polarization signal are merged to processing, also can comprise two groups, and then main pole signal and cross polarization signal are separately processed, and then reach polarization effect preferably.
Further, size based on different application scenarios N and M is also different, for example: suppose that this antenna is positioned at base station side, so, because the transmitted power of the antenna of the terminal corresponding with it is less, so can cause the receiving velocity of base station side less, in this case, in order to guarantee the uplink downlink symmetry, just needing increases data receiving channel, and namely M is greater than N; And suppose that this antenna is positioned at end side, because the data sending power of its corresponding base station is larger, so so the data receiver speed that causes end side, greater than data transmission rate, in this case, just needs to increase data transmitting channel, namely N is greater than M.Certainly, above-mentioned two situations have just been enumerated two possible application scenarioss, but in specific implementation process, the corresponding relation of N and M is not limited to above-mentioned two situations.
in addition, in specific implementation process, N, between M and K, there is no dividing of size, N namely, N namely can be greater than K, also can be less than K, can also equal K, but as a preferred embodiment, N or M are less than K, because the data channel that the N road transmits data that should antenna are sent, the data channel of M to data receiver that should antenna, and K corresponding be the physical channel of the carrying of this antenna, if and a fairly large number of words of data channel, can cause the increase of the manufacturing cost of antenna, thereby at N or M during less than K, has the technique effect of saving the antenna manufacturing cost.
Below by several specific embodiments, introduce the antenna in the present invention, the following examples article the several possible structure of this antenna.It should be noted that, the embodiment in the present invention is only be used to explaining the present invention, and can not be used to limiting the present invention.All embodiment that meet inventive concept are all within protection scope of the present invention, and those skilled in the art know naturally how thought according to the present invention is out of shape.
Embodiment mono-
In the present embodiment, provide a kind of antenna (only adding up the signal transmitting and receiving of same polarization side) of one transmitter and four receivers, please refer to Fig. 3, this antenna specifically comprises following structure:
Feeding network 31, this feeding network 31 comprises 4 main pole feeding networks and 4 cross polarization feeding networks, these 4 main pole feeding networks were connected one by one with 4 main pole antenna a period of time in antenna submatrix 30, and being respectively these 4 main pole a period of time provides signal to connect; These 4 cross polarization feeding networks were connected one by one with 4 cross polarised antenna a period of time in antenna submatrix 30, and being respectively these 4 cross polarization a period of time provides signal to connect;
Co-shunt filter 32, this co-shunt filter 32 always has 8, with 4 main pole feeding networks, with 4 cross polarization feeding networks, is connected respectively, and wherein, each co-shunt filter 22 specifically comprises following structure:
Mixer 32a, be connected with feeding network 31, for transmitting of 2.11GHz～2.17GHz merged to processing with the reception signal of 1.92GHz～1.98GHz;
Emission filter 32b, 32a is connected with this mixer, be used to filtering out frequency range, is transmitting of 2.11GHz～2.17GHz;
Receiving filter 32c, 32a is connected with this mixer, be used to filtering out the reception signal that frequency range is 1.92GHz～1.98GHz.
One drives four processing modules 33 that transmit, 32b is connected with emission filter, one to drive four processing modules 23 that transmit be one minute four power splitter for this, have two one minute four power splitters, first minute four power splitter is connected with 4 emission filter 32b that are connected in the main pole feeding network, for the first via is transmitted, is converted to 4 tunnels that pass to the main pole feeding network and transmits; Second one minute four power splitter is connected with 4 emission filter 32b that are connected in the cross polarization feeding network, for the second tunnel is transmitted, is converted to 4 tunnels that pass to the cross polarization feeding network and transmits.
Wherein, as shown in table 1, be the 4 tunnels corresponding amplitude-phase main pole distribution weights (wherein, cross-polarized weights distribute identical with main pole) that transmit:
Table 1
| 1 minute 4 power splitter | Submatrix 1 port | Submatrix 2 ports | Submatrix 3 ports | Submatrix 4 ports |
| Amplitude | 0.4 | 1 | 1 | 0.6 |
| Phase place | 0 | -15 | -5 | 175 |
4 drive 4 receives signal processing module 34, wherein, this 4 drives 4 to receive signal processing modules is a signal transparent transmission processing module, and corresponding 4 tunnels of the main poleization that namely directly receiving filter 32c is obtained receive signals and corresponding 4 tunnels of cross polarization and receive signals and be directly passed to the external signal processing unit.
As shown in Figure 4, horizontal plane wave beam comparison diagram for the transmitting-receiving port of the transmitting-receiving port of above-mentioned antenna system, by on figure, finding out, gap is little basically for the horizontal radiation pattern of emission port and the horizontal radiation pattern of receiving port, also with regard to the uplink downlink that this antenna is described, is in symmetry status.
Embodiment bis-
The embodiment of the present application two provides a kind of two one antennas of receiving, and please refer to Fig. 5, and this antenna specifically comprises:
Feeding network 51, comprise 8 altogether, with above-mentioned 8 single-polarized antenna a period of time, is connected one by one respectively, be used to sending 8 tunnels, transmits and receive 8 tunnels reception signals;
Receiving filter 52c, 52a is connected with this mixer, be used to filtering out the reception signal that frequency range is 1.92GHz～1.98GHz.
Two drive eight processing modules 53 that transmit, 52b is connected with this emission filter, this 2 drives 8 processing modules 53 that transmit and comprises two one minute four splitter 53a, for from data channel, obtaining two-way, transmit, then this two-way is transmitted and carry out one minute four merit divisional processing respectively, and then altogether obtain 8 tunnels and transmit;
One drives eight receives signal processing module 55, wherein, this 1 drives 8 and receives signal processing modules 55 and comprise that two are advanced four and go out a mixer 55a and advance two to go out a mixer 55b, first by advancing four, go out a mixer 55a and will be received by eight tunnels that receiving filter 22c obtains signals and merge into two-way and receive signal, then by advancing two, go out a mixer 55b and this two-way is received to signal merge into a road and receive signal, and then send the external signal processing module to by data receiving channel.
On the other hand, based on same inventive concept, the present invention provides a kind of method of signal transmitting and receiving of antenna by another embodiment of the present invention, and the method is the method that adopts when the antenna of introducing in the embodiment of the present application carries out signal transmitting and receiving.The method is applied in antenna, and please continue to refer to Fig. 1, this antenna comprises: antenna submatrix 10, this antenna submatrix 10 comprise K antenna a period of time 10a, and wherein, K is positive integer; K feeding network 11, i feeding network in this K feeding network 11 was connected with i antenna a period of time in this K antenna a period of time 10a, and wherein, this i is arbitrary integer of 1 to K; K makes up branching filter 12, with this K feeding network 11, is connected one by one.
Please refer to Fig. 6, the method specifically comprises the steps:
Step S601: obtain the N road and transmit, wherein, N is positive integer;
Step S602: based on this N road, transmit and obtain the K road and transmit, wherein, K is positive integer;
Step S603: receive the K road by this antenna submatrix 10 and receive signal;
Step S604: by these K combination 12 pairs of these K roads of branching filter, transmitting and receive signal by this K road that this K feeding network 11 transfers to merges processing;
Step S605: will transmit by this K road that this K feeding network 11 transfers to by 10 emissions of this antenna submatrix;
Step S606: based on this K road, receive signal acquisition M road and receive signal, wherein, M is the positive integer different from N.
In specific implementation process, step S605 and step S606 do not carry out dividing of existing order, namely namely can first perform step S605, can first perform step S606 yet, or both carry out simultaneously, and this embodiment of the present invention is not restricted.
Further, based on step S605, launching before this K road transmits, the method also comprises:
This K road is transmitted and carries out vertical sliding and process mutually; Or
After this received K road reception signal, the method also comprised:
This K road reception signal is carried out to vertical sliding to be processed mutually.
Further, in step S602, should transmit and obtain the K road and transmit based on this N road, be specially:
This N road is transmitted to process and then obtain this K road and transmit; Or
This N road signal is directly transmitted as this K road, and this moment, N and K were identical positive integer.
Further, at N, be during more than or equal to 2 positive integer, this transmits to process and then obtain this K road to this N road and transmits, and is specially:
Two-way at least during this N road is transmitted transmits and closes road and process, and then obtains this K road and transmit; Or
Should transmit to process and then obtain this K road to this N road transmits, and is specially:
For at least one road that this N road is transmitted, transmit and carry out shunt processing, and then obtain this K road and transmit; Or
At N, be during more than or equal to 2 positive integer, this transmits to process and then obtain this K road to this N road and transmits, and specifically comprises:
Two-way at least during this N road is transmitted transmits and closes road and process, and then obtains the P road and transmit, and wherein, P is the positive integer less than N; And
At least one road during this P road is transmitted transmits and carries out shunt and process, and then obtains this K road and transmit; Or
Should transmit to process and then obtain this K road to this N road transmits, and specifically comprises:
At least one road during this N road is transmitted transmits and carries out shunt and process, and then obtains the Q road and transmit, and wherein, Q is the positive integer greater than N; And
Two-way at least during this Q road is transmitted transmits and carries out shunt and process, and then obtains this this this K road and transmit.
Further, in step S606, should receive this M road of signal acquisition based on this K road and receive signal, be specially:
This K road is received to signal and process and then obtain this M road reception signal; Or
This K road is received to signal and directly as this M road, receive signal, this moment, K was identical positive integer with M.
Further, at K, be during more than or equal to 2 positive integer, this receives signal to this K road and processes and then obtain this M road and receive signal, is specially:
The reception of the two-way at least signal that this K road is received in signal closes the road processing, and then obtains M road reception signal; Or
Should receive signal to this K road and process and then obtain this M road reception signal, be specially:
At least one road reception signal that this K road is received in signal carries out the shunt processing, and then obtains this M road reception signal;
At K, be during more than or equal to 2 positive integer, this receives signal to this K road and processes and then obtain this M road and receive signal, specifically comprises:
The reception of the two-way at least signal that this K road is received in signal closes the road processing, and then obtains R road reception signal; And
At least one road reception signal that this R road is received in signal carries out the shunt processing, and then obtains this M road reception signal; Or
Should receive signal to this K road and process and then obtain this M road reception signal, specifically comprise:
At least one road reception signal that this K road is received in signal carries out the shunt processing, and then obtains S road reception signal, and wherein, S is the positive integer greater than K; And
The reception of the two-way at least signal that this S road is received in signal carries out the shunt processing, and then obtains this this this M road reception signal.
Further, obtain before the K road transmits based on this N road, transmitting, the method also comprises:
At least one road during this N road is transmitted transmits and carries out the phase shift processing; Or
Before at least one road in this P road is transmitted transmitted and carries out the shunt processing, the method also comprised:
At least one road during this P road is transmitted transmits and carries out the phase shift processing; Or
Before two-way at least in this Q road is transmitted transmitted and carries out the shunt processing, the method also comprised:
At least one road during this Q road is transmitted transmits and carries out the phase shift processing; Or
Obtain after the K road transmits based on this N road, transmitting, the method also comprises:
At least one road during this K road is transmitted transmits and carries out the phase shift processing; Or
Before based on this K road, receiving signal acquisition M road reception signal, the method also comprises:
At least one road reception signal that this K road is received in signal carries out the phase shift processing; Or
Before at least one road reception signal in this R road is received to signal carried out the shunt processing, the method also comprised:
At least one road reception signal that this R road is received in signal carries out the phase shift processing; Or
Before the reception of two-way at least signal in this S road is received to signal carried out the shunt processing, the method also comprised:
At least one road reception signal that this S road is received in signal carries out the phase shift processing; Or
After based on this K road, receiving signal acquisition M road reception signal, the method also comprises:
At least one road reception signal that this M road is received in signal carries out the phase shift processing.
Due to the method for the signal transmitting and receiving of the above-mentioned antenna implementation method for the antenna introduced by the embodiment of the present invention, so antenna of introducing based on the embodiment of the present invention, those skilled in the art can understand the specific implementation process of method of the signal transmitting and receiving of the antenna that the embodiment of the present invention introduces, so introduce no longer in detail at this.
One or more technical schemes that the application provides have following technique effect or advantage at least:
(1) due to a kind of antenna being provided in the embodiment of the present application, wherein, this antenna can by processing module by the N road transmit be treated to the K road transmit after the emission, and process after the K road of reception reception signal can being treated to M road reception signal, wherein N is the positive integer different from M, namely provide a kind of N to send out the antenna that M receives, and then, can be according to the expected data transmission rate of the antenna of data sending terminal and receiving terminal, determine suitable N and M value, and then up-downgoing speed is complementary, reached the technique effect of up-downgoing symmetry.
(2) due in the embodiment of the present application, obtain that the K road transmits and when by the K road, receiving signal acquisition M road and receive signal by the N road, transmitting, can be by the flexible combination of mixer and power splitter, will be arbitrarily the N road receive signal and be converted to the K road and receive signal and the K road is received to signal and be converted to M road arbitrarily and receive signal, so the technique effect more flexibly of the conversion regime with signal;
(3) due in the embodiment of the present application, N or M can namely reduce the quantity of data transmitting channel or the data receiving channel of signal less than K, and then have the technique effect that reduces costs; And, due to N or M less than K, so a circuit-switched data passage can corresponding mattress array, thereby by the flexible combination of this mattress array, can change the distribution of emittance in space, to adopt best mode transmitted signal, have the technique effect that improves signal transmitting power.
(4) due in the embodiment of the present application, N drives transmit processing module or M of K and drives K and receive signal processing module and can have the transparent transmission function, so only need to when signal sends or receive, carry out the conversion of signal, thereby have the technique effect that reduces costs;
(5) due in the embodiment of the present application, when antenna is positioned at base station side, control M greater than N, and then improved the received power of base station, in this case, can prevent because the transmitted power of the terminal corresponding with base station is hanged down the less technical problem of receiving velocity of the base station that causes, thereby reach the technique effect that guarantees the uplink downlink symmetry.
(6) due in the embodiment of the present application, when antenna is positioned at end side, control N greater than M, and then improved the transmitted power of terminal, and then also can prevent the less technical problem of receiving velocity because of the lower base station that causes of transmitted power of terminal, thereby reached the technique effect that guarantees the uplink downlink symmetry.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the embodiment of the present invention the embodiment of the present invention.Like this, if within these of the embodiment of the present invention are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. an antenna, is characterized in that, comprising:
The antenna submatrix, described antenna submatrix comprises K antenna a period of time, and described antenna submatrix transmits and receives K road reception signal for launching the K road, and wherein, K is positive integer;
K feeding network, i feeding network in a described K feeding network was connected with described K antenna i antenna a period of time in a period of time, wherein, described i is arbitrary integer of 1 to K, and a described K feeding network is for providing described K road to transmit to described K antenna a period of time and receiving signal for from described K antenna a period of time, obtaining described K road;
K makes up branching filter, with a described K feeding network, is connected one by one, and described K combination branching filter receives signal for described K road is transmitted with described K road and merges processing;
Processing module, is connected with described K combination branching filter, and described processing module obtains for based on the N road, transmitting that described K road transmits and receive signal acquisition M road reception signal based on described K road, and wherein, N and M are different positive integers.
2. antenna as claimed in claim 1, is characterized in that, described processing module comprises:
N drives the K processing module that transmits, and for described N road is transmitted, processes to obtain described K road and transmit; Or described N drives K and transmits processing module for described N road is transmitted and directly as described K road, transmits, and this moment, N was identical positive integer with K;
M drives K and receives signal processing module, for: described K road is received to signal and process acquisition described M road reception signal; Or described M drives K and receives signal processing module and directly as described M road, transmit for described K road being received to signal, and this moment, M was identical positive integer with K.
3. antenna as claimed in claim 2, is characterized in that, at N, is during more than or equal to 2 positive integer, and described N drives the K processing module that transmits, and is specially:
Mixer, transmit and close road and process for the two-way at least that described N road is transmitted, and then obtain described K road and transmit; Or
Described N drives the K processing module that transmits, and is specially:
Power splitter, transmit and carry out shunt and process at least one road that described N road is transmitted, and then obtain described K road and transmit; Or
At N, be during more than or equal to 2 positive integer, described N drives the K processing module that transmits, and specifically comprises:
Mixer, transmit and close road and process for the two-way at least that described N road is transmitted, and then obtain the P road and transmit, and wherein, P is the positive integer less than N; And
Power splitter, transmit and carry out shunt and process at least one road that described P road is transmitted, and then obtain described K road and transmit; Or
Described N drives the K processing module that transmits, and specifically comprises:
Power splitter, transmit and carry out shunt and process at least one road that described N road is transmitted, and then obtain the Q road and transmit, and wherein, Q is the positive integer greater than N; And
Mixer, transmit and carry out shunt and process for the two-way at least that described Q road is transmitted, and then obtain described K road and transmit.
4. antenna as claimed in claim 2, is characterized in that, at K, is during more than or equal to 2 positive integer, and described M drives K and receives signal processing module, is specially:
Mixer, receive signal for the two-way at least that described K road is received to signal and close the road processing, and then obtain described M road reception signal; Or
Described M drives K and receives signal processing module, is specially:
Power splitter, receive signal at least one road that described K road is received to signal and carry out the shunt processing, and then obtain described M road reception signal; Or
At K, be during more than or equal to 2 positive integer, described M drives K and receives signal processing module, specifically comprises:
Mixer, receive signal for the two-way at least that described K road is received to signal and close the road processing, and then obtain R road reception signal, and wherein, R is the positive integer less than K; And
Power splitter, receive signal at least one road that described R road is received to signal and carry out the shunt processing, and then obtain described M road reception signal; Or
Described M drives K and receives signal processing module, specifically comprises:
Power splitter, receive signal at least one road that described K road is received to signal and carry out the shunt processing, and then obtain S road reception signal, and wherein, S is the positive integer greater than K; And
Mixer, receive signal for the two-way at least that described S road is received to signal and carry out the shunt processing, and then obtain described described M road reception signal.
5. antenna as described as claim 3 or 4, is characterized in that, described N drives the K processing module that transmits, and also comprises:
The first phase shifter, carry out the phase shift processing at least one road transmitted signal to described N road transmits, described P road transmits, described Q road transmits or described K road transmits; Or
Described M drives K and receives signal processing module, also comprises:
The second phase shifter, at least one road that receives signal for described K road being received to signal, described R road reception signal, described S road reception signal or described M road receives signal and carries out the phase shift processing.
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