CN103004020A - Antenna system and antenna reconfiguration method - Google Patents
Antenna system and antenna reconfiguration method Download PDFInfo
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- CN103004020A CN103004020A CN2011800032628A CN201180003262A CN103004020A CN 103004020 A CN103004020 A CN 103004020A CN 2011800032628 A CN2011800032628 A CN 2011800032628A CN 201180003262 A CN201180003262 A CN 201180003262A CN 103004020 A CN103004020 A CN 103004020A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
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Abstract
Provided are an antenna system and an antenna reconfiguration method, relating to the field of mobile communications. The system comprises: an antenna, an antenna feeder network and at least two signal sources. The antenna feeder network comprises a first port for transmitting signals with the signal sources and a second port for transmitting signals with the antenna. The antenna system also comprises: a switch network. By means of the present invention, in the case of reduced capacity of a mobile communication base station, when two or more signal sources of the antenna system automatically shut off and the remaining devices of the system are working, the switch network is used to adjust the phase so that the antenna array retains equal coverage and service and, where there are a large number of users, network capacity is increased by way of the sector reconfiguration technology, and CAPEX expenditure is even more equal and efficient, avoiding waste of resources and ensuring coverage and quality of service in times of low power consumption.
Description
Antenna system and antenna reconfiguration method technical field
The present invention relates to moving communicating field, more particularly to a kind of antenna system and antenna reconfiguration method.Background technology
Mobile communication base station is generally using the configuration of three sectorized cells, in the case where frequency spectrum resource is limited, it will usually use increase sector（Such as six sectors）Cellular configuration improves power system capacity.And the configuration is in most application scenarios and there is capacity unbalance phenomenon in time, because the telephone traffic on daytime and data service are big, so all being configured in All Time using six sectorized cells, six complete equipments run the Large Copacity demand that disclosure satisfy that daytime simultaneously.But at night because number of users is drastically reduced, six complete equipments, which are opened, will waste ample resources simultaneously.If can turn off a part of equipment in the evening, OPEX (the Operating Expense, daily expenditure of operator will be greatly reduced in this）, still, when equipment component is closed, it is impossible to ensure identical covering and service quality during with armamentarium cooperation.The content of the invention
In order to ensure identical covering and the service quality of equipment while economizing on resources, the embodiments of the invention provide a kind of antenna system and antenna reconfiguration method.The technical scheme is as follows：
A kind of antenna system, the antenna system includes：Antenna, antenna feeding network and at least two signal sources, described antenna feeding network includes the second port that the first port of signal transmission is carried out between the signal source and signal transmission is carried out between the antenna, and described antenna system also includes：Switching network, the switching network is connected at the first port of the antenna feeding network or second port, to the working condition according to signal source come the sector of reconfigurable antenna system, so that the antenna system can realize the free switching between multi-beam antenna and region-wide wave cover two states on the basis of identical cellular topology, wherein, the region-wide wave cover includes some or all of of described multi-beam antenna.
A kind of antenna system, the antenna system includes：Antenna, antenna feeding network and at least two signal sources, the antenna, antenna feeding network and at least two signal sources are in turn connected to form a signal transmission link, and the antenna system also includes：Switching network, the switching network is connected in the signal transmission link, the switching network at least includes two kinds of working conditions, wherein, at least two signal source is connected so that antenna system formation multi-beam antenna, the multi-beam antenna includes the wave cover that each signal source at least two signal source is constituted by the switching network by the antenna feeding network with the antenna under the first working condition；The switching network will in a second operative state
A signal source at least two signal source is connected by the antenna feeding network with the antenna so that the antenna system formation region-wide wave cover overlapping with the multi-beam antenna region, wherein, the region-wide wave cover is included in some or all of of the wave cover that each signal source under the first described working condition at least two signal source is constituted.
A kind of antenna system, the antenna system includes：Include the signalling channel for carrying out signal transmission in antenna, antenna feeding network and at least two signal sources, the antenna feeding network, the antenna system also includes：Switching network, the switching network and the antenna, antenna feeding network and the electrical connection of at least two signal sources, the switching network is used for when any one signal source at least two signal source is stopped, the phase delay of each signalling channel is then adjusted according to the phase delay relation of each signalling channel in the antenna feeding network, so that the antenna forms all region covering wave beam on the basis of identical cellular topology, any one signal source that wherein described all region covering wave beam is covered at least two signal source simultaneously before being stopped the region for the wave cover that at least two signal source is each constituted it is some or all of.
A kind of antenna reconfiguration method, the antenna system includes：Antenna, antenna feeding network, at least two signal sources and switching network, the switching network is electrically connected with the antenna, antenna feeding network and at least two signal sources, include the signalling channel for carrying out signal transmission in the antenna feeding network, methods described includes：When any one signal source at least two signal source is stopped, the switching network adjusts the phase delay of each signalling channel according to the phase delay relation of each signalling channel in the antenna feeding network, so that the antenna forms all region covering wave beam on the basis of identical cellular topology, wherein described all region covering wave beam be covered in simultaneously at least one described signal source before being stopped the region for the wave cover that at least two signal source is each constituted it is some or all of.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：
In the case where mobile communication base station capacity declines, two or more signal sources of antenna system are closed automatically, the work of system remaining equipment when, utilize switching network adjustment phase place, so that aerial array keeps identical covering and serviced, and when userbase is larger, network capacity is obtained by sector reconstruction techniques to be lifted, CAPEX (Capital Expenditure, fixed assets investment）Expenditure is more balanced and effective, it is to avoid the wasting of resources, it is ensured that coverage and service quality in the case of low power consuming.Brief description of the drawings
Figure la is the structural representation of provided in an embodiment of the present invention kind of antenna system；
Figure lb is the structural representation of provided in an embodiment of the present invention kind of antenna system；
Figure lc is another structural representation of provided in an embodiment of the present invention kind of antenna system;
Fig. 2 a are the preferred structure schematic diagrames of provided in an embodiment of the present invention kind of antenna；
Fig. 2 b are a kind of preferred structure schematic diagrames of antenna feeding network provided in an embodiment of the present invention；
Fig. 2 c are the preferred structure schematic diagrames of an antenna feeding network；
Fig. 2 d are a kind of preferred structure schematic diagrames of switching network provided in an embodiment of the present invention；
Fig. 2 e are a kind of structural representations of the antenna system of conventional three-sector provided in an embodiment of the present invention；
Fig. 2 f are the wave cover figures of an example provided in an embodiment of the present invention；
Fig. 3 a are a kind of structural representations of antenna system for cleaving six sectors provided in an embodiment of the present invention；
Fig. 3 b are the wave cover figures of an example provided in an embodiment of the present invention；
Fig. 4 a are a kind of structural representations of the antenna system of conventional three-sector provided in an embodiment of the present invention；
Fig. 4 b are a kind of structural representations of switching network provided in an embodiment of the present invention；
Fig. 4 c are the wave cover figures of an example provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of antenna system for cleaving six sectors provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of antenna system provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of antenna system provided in an embodiment of the present invention；
Fig. 8 is a kind of flow chart of antenna reconfiguration method based on above-mentioned antenna system provided in an embodiment of the present invention.Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Figure la is a kind of structural representation of antenna system provided in an embodiment of the present invention, and the antenna system includes：Antenna 101, the signal source 103 of antenna feeding network 102 and at least two, this antenna feeding network 102 includes the second port B that the first port A of signal transmission is carried out between the signal source 103 and signal transmission is carried out between the antenna, and the antenna system being somebody's turn to do also includes：Switching network 104, the switching network 104 is connected at the first port A of the antenna feeding network 102 or second port B, to the working condition according to signal source 103 come the sector of reconfigurable antenna system, so that the antenna system can realize the free switching between multi-beam antenna and region-wide wave cover two states on the basis of identical cellular topology, wherein, the region-wide wave cover includes some or all of of multi-beam antenna.
When all work of at least two signal source 103, the switching network 104 makes the antenna system formation multi-beam antenna, when the part at least two signal source 103 is stopped, the switching network makes the antenna system form region-wide wave cover.The region-wide wave cover refers to while covering some or all of of the wave cover that signal sources all before the part signal source is stopped each are constituted.
Specifically, the antenna system has the connected mode shown in figure lb and figure lc, referring to figure lb, and antenna 101 is connected by second port B with antenna feeding network 102, and one end port C of switching network 104 passes through first port A and feeder
Network 102 is connected, and other end port D is connected with least two signal sources 103.Referring to figure lc, antenna 101 is connected by port D with switching network 104, the other end port C of switching network 104 is connected by second port B with antenna feeding network 102, and antenna feeding network 102 is connected by first port A with least two signal sources 103.
Based on figure lb, the switching network 104 is connected between the signal source 103 of antenna feeding network 102 and at least two.When being in high power capacity in base station, at least all normal works of signal source 103, antenna two split beams of formation, each one wave beam of excitation of each signal source 103 forms multi-beam antenna.When any one signal source at least two signal source 103 is stopped, wave beam is only encouraged by a signal source 103, then the switching network 104 adjusts the phase for the signal that signal source is sent according to the phase delay relation of each passage in current antenna feeding network, so as to by the phase adjustment of each passage described in antenna feeding network to preset phase so that multi-beam antenna is some or all of before the formation of antenna 101 is stopped with any one described signal source.
Based on figure lc, in the present embodiment, switching network 104 is connected between the antenna feeding network 102 and the antenna 101.When any one signal source 103 at least two signal source is stopped, then the switching network 104 according to the phase delay relation of each passage in current antenna feeding network by the phase adjustment of each passage described in antenna feeding network to preset phase so that multi-beam antenna is some or all of before the formation of antenna 101 is stopped with any one described signal source.
Above-mentioned preset phase is what technical staff was configured according to parameters of system etc., and the embodiment of the present invention is not specifically limited.
Preferably, the switching network includes phase switcher, and the phase switcher is used for into horizontal phasing control or phase compensation.The phase to antenna is exported by switching network change feeding network（Some embodiments include voltage amplitude）, so as to reach that wave beam is reconstructed（Or sector reconstruct）Purpose.
Further, the antenna system also includes control device, and the control device is to control the working condition of the switching network to realize the described working condition according to signal source come the sector of reconfigurable antenna system.Specifically, the control device is according to the working condition of the working state control switching network of signal source, with the sector of reconfigurable antenna system, so that when any one in multiple signal sources or when appointing several be stopped, the antenna system formation region-wide wave cover overlapping with multi-beam antenna region.The control device is that manual overvide or electricity adjust control device.
Increase a switching network in antenna system, the switching network can according to the working condition of signal source come the sector of reconfigurable antenna system so that the antenna system can between the multi-beam antenna with overlapping overlay area or region-wide wave cover two states free switching, avoid the wasting of resources, it is ensured that coverage and service quality in the case of low power consuming.
Further, illustrated by taking the antenna system based on figure lb as an example：
It will be appreciated by those skilled in the art that the structure of each part of antenna system can be as follows：
(1) referring to Fig. 2 a, Fig. 2 a are a kind of preferred structure schematic diagrames of antenna provided in an embodiment of the present invention.Antenna 101
Can be to be made up of multiple aerial arrays that can produce independent beam, it is preferable that the antenna 101 is made up of two aerial arrays that can produce independent beam.
(2) referring to Fig. 2 b, Fig. 2 b are a kind of preferred structure schematic diagrames of antenna feeding network provided in an embodiment of the present invention.
The antenna feeding network 102 is made up of at least two antenna feeding network 102a, referring to Fig. 2 c, and Fig. 2 c are the preferred structure schematic diagrames of an antenna feeding network.Typical antenna feeding network 102a by two not decile power splitter, two 90 ° of electric bridges and two fixed phase shift members constitute, constitute the width phase partitioning relation of input and output port.Table 1 is antenna feeding network 102a input/output signal voltmeter.In the present embodiment, a/b=0.4 in Fig. 2 c.Table 1
(3) referring to Fig. 2 d, Fig. 2 d are a kind of preferred structure schematic diagrames of switching network provided in an embodiment of the present invention.Switching network in the embodiment switchs for phase-compensatory contro, and table 2 below is the relative phase table between phase-compensatory contro on off state correspondence output port.
Table 2
Fig. 2 e are a kind of structural representations of the antenna system of conventional three-sector provided in an embodiment of the present invention.Referring to Fig. 2 e, in conventional three-sector, the antenna system includes：Antenna 101, antenna feeding network 102, signal source 103 and switching network 104, wherein, the antenna 101 is a splitting antenna, and signal source 103 is the base station equipments such as BTS or RRU, and switching network 104 is phase compensation state control switch.Two of signal source 103 polarization transceiver channel 103a and 103b, a POLARIZATION CHANNEL of wherein 103a connections antenna 1,103b connect another POLARIZATION CHANNEL, due to the annexation and work(of two POLARIZATION CHANNELs
Energy module is identical, therefore illustrates that its signal is flowed to below with the left side POLARIZATION CHANNEL in Fig. 2 d.When conventional three-sector works, switching network 104 by the control device of port 6 manually or Remote Procedure control phase compensation state for -15/+75/-90/0 degree, signal input 211 from 103a is after antenna feeding network 102, signal is from 201, 202, 203, the 401 of 204 output access switch networks 104, 402, 403, 404 ports, the phase of each passage is compensated, it is output to corresponding antenna port, referring to the output width phase of table 4, antenna can obtain the horizontal radiation pattern shown in Fig. 2 f, wherein, table 4 is that the phase output table that phase-compensatory contro is switched is passed through in conventional three-sector.Table 4
Fig. 3 a are a kind of structural representations of antenna system for cleaving six sectors provided in an embodiment of the present invention.Referring to Fig. 3 a, cleave in six sectors, the antenna system includes：Antenna 101, antenna feeding network 102, signal source 103 and switching network 104, wherein, the antenna 101 is a splitting antenna, signal source 103 is the base station equipments such as BTS or RRU, switching network 104 is phase compensation state control switch, and inside composition and annexation are completely the same when being worked with conventional three-sector.(such as BTS or RRU base station equipments of signal source 1）Two polarization transceiver channels be 103a and 103b, a POLARIZATION CHANNEL of wherein 103a connections antenna 101,103b connects another POLARIZATION CHANNEL, (such as BTS or RRU base station equipments of signal source 2）Two polarization transceiver channels be 103c and 103d, one POLARIZATION CHANNEL of wherein 103c connections antenna 101,103d connects another POLARIZATION CHANNEL, because the annexation of two POLARIZATION CHANNELs is identical with functional module, therefore illustrate that its signal is flowed to below with the left side POLARIZATION CHANNEL in Fig. 3 a.When cleaving the work of six sectors, by the control device of port 6 manually or Remote Procedure control phase compensation state to be 0/0/0/0 degree, the signal from 103a inputs 211 after antenna feeding network 102 to switching network 104, and signal is from 201, 202, 203, the 401 of 204 output access switch networks 104, 402, 403, 404 ports, the relative phase compensation of each interchannel is 0 degree, it is output to corresponding antenna port, referring to the output width phase of the sequence number 2 of table 1, antenna can obtain the one of wave beam of horizontal radiation pattern shown in Fig. 3 b, signal input from 103b is 212 after antenna feeding network 102, and signal is from 201, 202, 203, the 401 of 204 output access switch networks 104, 402, 403, 404 ports, the relative phase compensation of each interchannel is 0 degree, is output to corresponding antenna port, referring to the output width phase of the sequence number 2 of table 1, antenna can obtain the horizontal radiation pattern other in which wave beam shown in Fig. 3 b.So, antenna feeding network 102 of the signal source 1 and 2 by a polarization, form respectively two autonomous channels（211st, pair 212)
Wave beam.Further, illustrated exemplified by the conventional three-sector work based on figure lc：
Referring to Fig. 4 a, the antenna system includes：Antenna 101, antenna feeding network 102, signal source 103 and switching network 104, wherein, the antenna 101 is a splitting antenna, and signal source 103 is the base station equipments such as BTS or RRU, and switching network 104 switchs for phase shifting control.Two polarization transceiver channels 103a and 103b of signal source 103, one POLARIZATION CHANNEL of wherein 103a connections antenna 1,103b connects another POLARIZATION CHANNEL, because the annexation of two POLARIZATION CHANNELs is identical with functional module, therefore illustrate that its signal is flowed to below with the left side POLARIZATION CHANNEL in Fig. 4 a.When conventional three-sector works, switching network 104 by the control device of port 6 manually or 311 (see Fig. 4 b) phase states for control of Remote Procedure are spent for+90, signal input 301 from 103a is after switching network 104, signal enters 211,212 ports of antenna feeding network 102 from 305,306 outputs, corresponding antenna port is output to by the signal amplitude and phase measurements of antenna feeding network 102, referring to the output width phase of the sequence number 3 of table 1, antenna can obtain the horizontal radiation pattern shown in Fig. 4 c.
Referring to Fig. 5, cleave in six sectors, the antenna system includes：Antenna 101, antenna feeding network 102, signal source 103 and switching network 104, wherein, the antenna 101 is a splitting antenna, signal source 103 is the base station equipments such as BTS or RRU, switching network 104 switchs for phase shifting control, and inside composition and annexation are completely the same when being worked with conventional three-sector.(such as BTS or RRU base station equipments of signal source 1）Two polarization transceiver channels be 103a and 103b, a POLARIZATION CHANNEL of wherein 103a connections antenna 101,103b connects another POLARIZATION CHANNEL, (such as BTS or RRU base station equipments of signal source 2）Two polarization transceiver channels be 103c and 103d, one POLARIZATION CHANNEL of wherein 103c connections antenna 101,103d connects another POLARIZATION CHANNEL, because the annexation of two POLARIZATION CHANNELs is identical with functional module, therefore illustrate that its signal is flowed to below with the left side POLARIZATION CHANNEL in Fig. 3 a.When cleaving the work of six sectors switching network 104 by the control device of port 6 manually or 311 phase states that controls of Remote Procedure are 180 degree, for signal source 1, signal input 301 from 103a is after switching network 104, signal enters 211 ports of antenna feeding network 102 from 305 outputs, corresponding antenna port is output to by the signal amplitude and phase measurements of antenna feeding network 102, referring to the output width phase of the sequence number 1 of table 1, antenna can obtain the one of wave beam of horizontal radiation pattern shown in Fig. 3 b；For signal source 2, signal input 301 from 103b is after switching network 104, signal enters 212 ports of antenna feeding network 102 from 306 outputs, corresponding antenna port is output to by the signal amplitude and phase measurements of antenna feeding network 102, referring to the output width phase of the sequence number 2 of table 1, antenna can obtain horizontal radiation pattern another wave beam therein shown in Fig. 3 b；So, antenna feeding network 102 of the signal source 1 and 2 by a polarization, form respectively two autonomous channels（301st, dualbeam 302).
Fig. 6 is a kind of structural representation of antenna system provided in an embodiment of the present invention, and the antenna system includes：Antenna 101, the signal source 103 of antenna feeding network 102 and at least two, the antenna 101, the signal source 103 of antenna feeding network 102 and at least two are in turn connected to form a signal transmission link, and the antenna system also includes：Switching network 104, it is described
Switching network 104 is connected in the signal transmission link, the switching network 104 at least includes two kinds of working conditions, wherein, at least two signal source 103 is connected so that antenna system formation multi-beam antenna by the switching network 104 by the antenna feeding network 102 with the antenna 101 under the first working condition；The multi-beam antenna includes the wave cover that each signal source at least two signal source is constituted；A signal source at least two signal source 103 is connected so that the antenna system formation region-wide wave cover overlapping with the multi-beam antenna region by the switching network 104 by the antenna feeding network 102 with the antenna 101 in a second operative state.Wherein, the region-wide wave cover is included in some or all of of the wave cover that each signal source under the first described working condition at least two signal source is constituted.
Wherein, switching network 104 can be located on two kinds of positions of the signal transmission link,
The first position is that the switching network 104 is connected between the antenna feeding network 102 and at least two signal source 103.When switching network 104 is located at the first position, under the first working condition, at least two signal source 103 is connected switching network 104 by the antenna feeding network 102 with the antenna 101 so that antenna system formation multi-beam antenna；Under second of working condition, assuming that a signal source is closed, switching network 104 adjusts the signal phase of another signal source to preset phase, and another signal source is connected with antenna feeding network 102 with the antenna 101, the region-wide wave cover for making antenna system formation overlapping with the multi-beam antenna region under the first working condition.
Second of position is that the switching network 104 is connected between the antenna feeding network 102 and the antenna 101.When switching network 104 is located at the first position, under the first working condition, at least two signal sources 103a's switching network 104 and 103b is connected by the antenna feeding network 102 with the antenna 101 so that antenna system formation multi-beam antenna；Under second of working condition, assuming that a signal source is closed, switching network 104 adjusts the signal phase of each passage of antenna feeding network 102 to preset phase, and another signal source is connected with antenna feeding network 102 with the antenna 101, the region-wide wave beam for making antenna system formation overlapping with the multi-beam antenna region under the first working condition covers further, the antenna system also includes control device, working condition of the control device to control the switching network.The control device is that manual overvide or electricity adjust control device.
Further, the switching network includes phase switcher.
Further, the antenna is made up of the aerial array that can produce independent beam.
The antenna system that the embodiment is provided is identical with the antenna system working method shown in Fig. 1, will not be repeated here.
Fig. 7 is a kind of structural representation of antenna system provided in an embodiment of the present invention, and the antenna system includes：Include the signalling channel for carrying out signal transmission in antenna 101, the signal source 103 of antenna feeding network 102 and at least two, the antenna feeding network 102, the antenna system also includes：Switching network 104, the switching network 104 is electrically connected with the antenna 101, the signal source 103 of antenna feeding network 102 and at least two, and the switching network 104 is used to work as described at least two
When any one signal source in signal source 103 is stopped, the phase delay of each signalling channel is then adjusted according to the phase delay relation of each signalling channel in the antenna feeding network 102, so that the antenna 101 forms all region covering wave beam on the basis of identical cellular topology, wherein described all region covering wave beam be covered in simultaneously any one signal source at least one or two signal source 103 before being stopped the region for the wave cover that at least two signal source 103 is each constituted it is some or all of.
Further, the antenna system also includes control device, the control device is described when any one signal source at least two signal source is stopped to realize to control the efforts of the switching network, then the phase delay relation of each signalling channel in described antenna feeding network adjusts the phase delay of each signalling channel so that the antenna forms all region covering wave beam on the basis of identical cellular topology.The control device is that manual overvide or electricity adjust control device.
The switching network is connected between the antenna feeding network and at least two signal source.
The switching network is connected between the antenna feeding network and the antenna.
The switching network includes phase switcher.
The antenna is made up of the aerial array that can produce independent beam.
The antenna system that the embodiment is provided is identical with the antenna system working method shown in Fig. 1, will not be repeated here.
Fig. 8 is a kind of flow chart of antenna reconfiguration method based on above-mentioned antenna system provided in an embodiment of the present invention, and the antenna system includes：Antenna, antenna feeding network, at least two signal sources and switching network, the switching network is electrically connected with the antenna, antenna feeding network and at least two signal sources, include the signalling channel for carrying out signal transmission in the antenna feeding network, this method includes：
801st, when any one signal source at least two signal source is stopped, the switching network adjusts the phase delay of each signalling channel according to the phase delay relation of each signalling channel in the antenna feeding network so that the antenna forms all region covering wave beam on the basis of identical cellular topology.
Wherein, described all region covering wave beam be covered in simultaneously at least one described signal source before being stopped the region for the wave cover that at least two signal source is each constituted it is some or all of.
Wherein, the switching network is connected between the antenna feeding network and at least two signal source, or the switching network is connected between the antenna feeding network and the aerial array, or the aerial array is made up of two aerial arrays that can produce independent beam.
The method that the present embodiment is provided, in the case where mobile communication base station capacity declines, two or more signal sources of antenna system are closed automatically, the work of system remaining equipment when, utilize switching network adjustment phase place, so that aerial array keeps identical covering and serviced, avoid the wasting of resources, it is ensured that coverage and service quality in the case of low power consuming.
The embodiment of the present invention can realize the switching of switching network using software, and corresponding software program can be stored in the storage medium that can be read, for example, in the hard disk of computer, caching or CD.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (1)
- Claims1st, a kind of antenna system, the antenna system includes：Antenna, antenna feeding network and at least two signal sources, described antenna feeding network includes the second port that the first port of signal transmission is carried out between the signal source and signal transmission is carried out between the antenna, characterized in that, described antenna system also includes：Switching network, the switching network is connected at the first port of the antenna feeding network or second port, to the working condition according to signal source come the sector of reconfigurable antenna system, so that the antenna system can realize the free switching between multi-beam antenna and region-wide wave cover two states on the basis of identical cellular topology, wherein, the region-wide wave cover includes some or all of of described multi-beam antenna.2nd, antenna system according to claim 1, it is characterized in that, when at least two signal source all works, the switching network makes the antenna system formation multi-beam antenna, when the part at least two signal source is stopped, the switching network makes the antenna system form region-wide wave cover.3rd, antenna system according to claim 1 or 2, it is characterized in that, the antenna system also includes control device, and the control device is to control the switching network work to realize the described working condition according to signal source come the sector of reconfigurable antenna system.4th, antenna system according to claim 3, it is characterised in that the control device is that manual overvide or electricity adjust control device.5th, the antenna system according to claim any one of 1-4, it is characterised in that the switching network includes phase switcher.6th, the antenna system according to claim any one of 1-4, it is characterised in that the antenna is made up of the aerial array that can produce independent beam.7th, a kind of antenna system, the antenna system includes：Antenna, antenna feeding network and at least two signal sources, the antenna, antenna feeding network and at least two signal sources are in turn connected to form a signal transmission link, it is characterised in that the antenna system also includes：Switching network, the switching network is connected in the signal transmission link, and the switching network at least includes two kinds of working conditions, wherein, the switching network passes through at least two signal source under the first working condition The antenna feeding network is connected with the antenna so that antenna system formation multi-beam antenna, the multi-beam antenna includes the wave cover that each signal source at least two signal source is constituted；A signal source at least two signal source is connected so that the antenna system formation region-wide wave cover overlapping with the multi-beam antenna region by the switching network by the antenna feeding network with the antenna in a second operative state, wherein, the region-wide wave cover is included in some or all of of the wave cover that each signal source under the first described working condition at least two signal source is constituted.8th, antenna system according to claim 7, it is characterised in that the antenna system also includes control device, working condition of the control device to control the switching network.9th, antenna system according to claim 8, it is characterised in that the control device is that manual overvide or electricity adjust control device.10th, the antenna system according to claim any one of 7-9, it is characterised in that the switching network includes phase switcher.11st, the antenna system according to claim any one of 7-9, it is characterised in that the antenna is made up of the aerial array that can produce independent beam.12nd, a kind of antenna system, the antenna system includes：Antenna, antenna feeding network and at least two signal sources, include the signalling channel for carrying out signal transmission in the antenna feeding network, it is characterized in that, the antenna system also includes-switching network, the switching network and the antenna, antenna feeding network and the electrical connection of at least two signal sources, the switching network is used for when any one signal source at least two signal source is stopped, the phase delay of each signalling channel is then adjusted according to the phase delay relation of each signalling channel in the antenna feeding network, so that the antenna forms all region covering wave beam on the basis of identical cellular topology, any one signal source that wherein described all region covering wave beam is covered at least two signal source simultaneously before being stopped the region for the wave cover that at least two signal source is each constituted it is some or all of.13rd, antenna system according to claim 12, it is characterised in that also including control device, the control device is to control switching network work to realize that described any one signal source at least two signal source of working as is stopped When, then the phase delay relation of each signalling channel in described antenna feeding network adjusts the phase delay of each signalling channel so that the antenna forms all region covering wave beam on the basis of identical cellular topology.14th, antenna system according to claim 13, it is characterised in that the control device is that manual overvide or electricity adjust control device.15th, the antenna system according to claim any one of 12-14, it is characterised in that the switching network is connected between the antenna feeding network and at least two signal source.16th, the antenna system according to claim any one of 12-14, it is characterised in that the switching network is connected between the antenna feeding network and the antenna.17th, the antenna system according to claim any one of 12-14, it is characterised in that the switching network includes phase switcher.18th, the antenna system according to claim any one of 12-14, it is characterised in that the antenna is made up of the aerial array that can produce independent beam.19th, a kind of antenna reconfiguration method based on any one of claim 1-18 antenna system, it is characterised in that the antenna system includes：Antenna, antenna feeding network, at least two signal sources and switching network, the switching network is electrically connected with the antenna, antenna feeding network and at least two signal sources, include the signalling channel for carrying out signal transmission in the antenna feeding network, methods described includes：When any one signal source at least two signal source is stopped, the switching network adjusts the phase delay of each signalling channel according to the phase delay relation of each signalling channel in the antenna feeding network, so that the antenna forms all region covering wave beam on the basis of identical cellular topology, wherein described all region covering wave beam be covered in simultaneously at least one described signal source before being stopped the region for the wave cover that at least two signal source is each constituted it is some or all of.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/077606 WO2012159345A1 (en) | 2011-07-26 | 2011-07-26 | Antenna system and antenna reconfiguration method |
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| CN103004020A true CN103004020A (en) | 2013-03-27 |
| CN103004020B CN103004020B (en) | 2016-12-28 |
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| WO (1) | WO2012159345A1 (en) |
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| CN106848579A (en) * | 2016-12-21 | 2017-06-13 | 摩比天线技术（深圳）有限公司 | The adaptive switched beam antenna system of mobile communication and its antenna |
| EP3553885B1 (en) * | 2016-12-29 | 2023-03-01 | Huawei Technologies Co., Ltd. | Array antenna and network apparatus |
| CN109980362B (en) * | 2017-12-27 | 2021-06-01 | 华为技术有限公司 | Antenna device and beam state switching method |
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| WO2012159345A1 (en) | 2012-11-29 |
| CN103004020B (en) | 2016-12-28 |
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