EP3057179B1 - Antenna system and base station - Google Patents
Antenna system and base station Download PDFInfo
- Publication number
- EP3057179B1 EP3057179B1 EP14852403.6A EP14852403A EP3057179B1 EP 3057179 B1 EP3057179 B1 EP 3057179B1 EP 14852403 A EP14852403 A EP 14852403A EP 3057179 B1 EP3057179 B1 EP 3057179B1
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- European Patent Office
- Prior art keywords
- antenna array
- radio frequency
- antenna
- antenna system
- frequency module
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- 238000002955 isolation Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 26
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
Definitions
- the present invention relate to communications technologies, and in particular, to an antenna system and a base station.
- an antenna supports multiple systems.
- GSM Global System For Mobile Communications
- UMTS Universal Mobile Telecommunications System
- LTE Long Term Evolution
- this antenna deployment technology can provide only narrow beam coverage, which cannot satisfy a requirement that an antenna system should provide both a wide beam and a narrow beam.
- WO 01/01582 A2 discloses to install a sector antenna and an adaptive phased-array antenna for a cellular radio base station in a single antenna cartridge.
- US 5 907 816 A discloses a high gain antenna system for cellular use.
- the antenna system comprises a sector antenna and a multi-beam antenna, wherein the multi-bean antenna covers the same sector with a plurality of narrower beams.
- WO 98/421 50 A2 also describes an antenna system comprising a first, second and a third antenna array.
- the first and third antenna arrays each comprising a single column of antennas are placed on either side of the second antenna array which comprises several columns of antennas.
- the present invention has as its object to provide an antenna system and a base station, to resolve a problem that close-spaced multi-column antennas can provide only a narrow beam, and to satisfy a requirement that an antenna system should provide both a wide beam and a narrow beam.
- This object is solved by an antenna system of claim 1 and by a base station of claim 3. Further advantageous embodiments and improvements of the invention are listed in the dependent claims. Hereinafter, before coming to a detailed description of the embodiments, first some aspects of the invention are highlighted.
- the present invention provides an antenna system, including: a first antenna array configured to form wide beam coverage and a second antenna array configured to form narrow beam coverage, where:
- an interval between the first antenna array and the second antenna array is greater than a column interval of the second antenna array.
- the antenna system further includes a multi-band combiner, where the multi-band combiner is connected to one of the at least one narrow beam port and/or one of the at least one the wide beam port.
- one of the at least one narrow beam port is connected to one multi-band combiner; and one of the at least one wide beam port is connected to another multi-band combiner.
- the present invention provides a base station, including: the antenna system according to the first aspect and at least one radio frequency module, where: the at least one radio frequency module is connected to the antenna system by using at least one wide beam port and/or at least one narrow beam port.
- the at least one wide beam port is connected to one first radio frequency the other of the at least one wide beam port are connected to at least two third radio frequency modules by using the multi-band combiner, and the at least one narrow beam port is connected to the at least two third radio frequency modules by using a multi-band combiner.
- the examples of the present invention provide an antenna system and a base station.
- FIG. 1 is a schematic structural diagram of an antenna system according to a first example.
- the antenna system 10 in this example may include: a first antenna array 11 and a second antenna array 12, where the first antenna array 11 is configured to form wide beam coverage, and the second antenna array 12 is configured to form narrow beam coverage.
- the first antenna array 11 includes at least one column of antennas, where each column of antennas provide at least one wide beam port 112; the second antenna array 12 includes at least two columns of antennas, and the second antenna array 12 provides at least one narrow beam port 122.
- FIG. 2 is an example of a schematic structural diagram of an antenna system according to the first example.
- the antenna system 10 includes a first antenna array 11 and a second antenna array 12, where the first antenna array 11 includes one column of antennas 111 and provides a wide beam port 112; the second antenna array 12 includes four columns of antennas 121, and provides three narrow beam ports: 122a, 122b, and 122c. A narrow beam is led out through a narrow beam port.
- FIG. 3 is a schematic diagram of a wide beam in an antenna system according to the first example.
- a wide beam formed by one column of antennas 111 of the first antenna array 11 in FIG. 2 may cover a relatively large range.
- FIG. 4 is a schematic diagram of a narrow beam in an antenna system according to the first example.
- the four columns of antennas 121 of the second antenna array 12 in FIG. 2 form coverage of three narrow beams, which are respectively led out through the three narrow beam ports 122a, 122b and 122c of the second antenna array 12.
- a coverage range of each narrow beam is less than a coverage range of a wide beam.
- the second antenna array 12 splits a single beam into multiple beams to implement space division multiple access, thereby improving an antenna capacity.
- the antenna system includes a first antenna array configured to form a wide beam and a second antenna array configured to form a narrow beam.
- the first antenna array includes at least one column of antennas, where each column of antennas provide at least one wide beam port; the second antenna array includes at least two columns of antennas, and the second antenna array provides at least one narrow beam port.
- the wide beam formed by the antenna system is led out through the at least one wide beam port, and the narrow beam formed by the antenna system is led out through the at least one narrow beam port.
- FIG. 5 is a schematic structural diagram of an antenna system according to a second example.
- an isolation apparatus 21 is disposed between the first antenna array 11 and the second antenna array 12, where the isolation apparatus 21 is configured to reduce mutual coupling between the first antenna array 11 and the second antenna array 12, thereby ensuring beam quality of a wide beam.
- the isolation apparatus 21 may be an isolation wall or an isolation plate, which is not specifically limited in this example.
- a column interval of the first antenna array 11 is greater than the column interval of the second antenna array 12.
- the first antenna array forms wide beam coverage by setting a column interval of multiple columns of antennas of a first antenna array to be greater than a column interval of a second antenna array.
- a greater column interval of the first antenna array may reduce interference between the columns of antennas that provide the wide beam coverage.
- FIG. 6 is a schematic structural diagram of an antenna system according to a third example.
- the antenna system 10 according to this example may further include a multi-beam forming device 31, where the multi-beam forming device 31 is connected to the second antenna array 12, the second antenna array 12 forms at least one narrow beam by using the multi-beam forming device 31, and the at least one narrow beam is led out through the narrow beam port 122.
- the second antenna array 12 is configured to form coverage of a narrow beam, where a specific direction, a specific coverage area, a specific quantity of beams, and the like of the narrow beam may be controlled by the multi-beam forming device 31.
- the multi-beam forming device 31 may adjust parameters such as a phase and an amplitude of an antenna array, thereby forming coverage of multiple narrow beams.
- a multi-beam forming device is integrated into an antenna system, and no multi-beam forming device needs to be additionally configured for the antenna system; therefore, a function of forming wide and narrow beams by the antenna system becomes more intelligent.
- a wide beam is led out through a wide beam port and a narrow beam is led out through a narrow beam port, so that the antenna system can provide only a wide beam or only a narrow beam as required, or provide both a wide beam and a narrow beam.
- FIG. 7 is a schematic structural diagram of an antenna system according to a fourth example.
- the antenna system 10 according to this example may further include a multi-band combiner 41, where the multi-band combiner 41 is connected to a wide beam port and/or a narrow beam port, and the antenna system 10 combines signals of different frequency bands into a mixed signal by using the multi-band combiner 4 or divides the mixed signal into the signals of the different frequency bands.
- the multi-band combiner 41 may combine signals of different frequency bands into a mixed signal, or divide the mixed signal into the signals of the different frequency bands, so that the antenna system can perform processing on the signals of the different frequency bands simultaneously.
- the antenna system can combine a signal of a frequency band supported by a GSM system and a signal of a frequency band supported by an LTE system, and feed a combined signal into the antenna system, thereby implementing processing of the two signals of the different frequency bands by the antenna system.
- a multi-band combiner is integrated into an antenna system, and a port for transmitting a mixed signal is directly provided for a radio frequency module, thereby simplifying a connection structure between the antenna system and the radio frequency module.
- the multi-band combiner 41 may be integrated into the antenna system and serve as a component of the antenna system, or may not be integrated into the antenna system, but serve as an independent structure, and be connected to the antenna system 10, which is not specifically limited herein.
- FIG. 8 is a schematic structural diagram of a base station according to a first example.
- a base station of this example includes an antenna system 10 and at least one radio frequency module 20, where the antenna system 10 may use a structure of any one of the antenna system examples in FIG. 1 to FIG. 7 (except FIG. 3 and FIG. 4 ), and the radio frequency module 20 is connected to the antenna system 10 by using at least one wide beam port and/or at least one narrow beam port.
- the following describes in detail the structure of the base station in the example shown in FIG. 8 .
- FIG. 9 is a schematic structural diagram of a base station according to a second example.
- the antenna system 10 includes a first antenna array 11 and a second antenna array 12, where the first antenna array 11 includes one column of antennas 111a and another column of antennas 111b, the column of antennas 111a provides a wide beam port 112a, and the column of antennas 111b provides a wide beam port 112b; the second antenna array 12 includes four columns of antennas 121, and provides three narrow beam ports 122a, 122b, and 122c, where three narrow beams formed by the second antenna array 12 are led out through the narrow beam ports 122a, 122b, and 122c, respectively.
- the antenna system is connected to a first radio frequency module by using a wide beam port.
- a connection manner may be that a wide beam port is connected to one first radio frequency module, or that a wide beam port is connected, by using a multi-band combiner, to two or more first radio frequency modules that support different frequency bands.
- a first radio frequency module is connected to a wide beam port; therefore, the first radio frequency module is a radio frequency module that supports a wide beam.
- there are three first radio frequency modules that support different frequency bands which are a first radio frequency module 21 that supports a frequency band 1, a first radio frequency module 22 that supports a frequency band 2, and a first radio frequency module 23 that supports a frequency band 3, respectively.
- the wide beam port 112a is connected to the first radio frequency module 21 that supports the frequency band 1 and the first radio frequency module 22 that supports the frequency band 2 by using a multi-band combiner 40, and the other wide beam port 112b is connected to the first radio frequency module 23 that supports the frequency band 3.
- the column of antennas 111a can receive and send a mixed signal obtained by combining a signal of the frequency band 1 and a signal of the frequency band 2, the column of antennas 111b can receive and send a signal of the frequency band 3, where the frequency band 1, the frequency band 2, and the frequency band 3 herein may be any communication frequency band, which is not specifically limited herein.
- the antenna system can provide coverage of wide beams of different frequency bands, and a coverage range of the wide beams may be a range shown in FIG. 3 .
- FIG. 10 is a schematic structural diagram of a base station according to a third example.
- an antenna system 10 includes a first antenna array 11 and a second antenna array 12, where the first antenna array 11 includes one column of antennas 111a and another column of antennas 111b, the column of antennas 111a provides a wide beam port 112a, and the column of antennas 111b provides a wide beam port 112b; the second antenna array 12 includes four columns of antennas 121, and provides three narrow beam ports 122a, 122b, and 122c, where three narrow beams formed by the second antenna array 12 are led out through the narrow beam ports 122a, 122b, and 122c, respectively.
- the antenna system is connected to a second radio frequency module by using a wide beam port.
- a connection manner may be that a narrow beam port is connected to one second radio frequency module, or that a narrow beam port is connected, by using a multi-band combiner, to two or more second radio frequency modules that support different frequency bands.
- a second radio frequency module is connected to a narrow beam port; therefore, the second radio frequency module is a radio frequency module that supports a narrow beam.
- there are three second radio frequency modules that support different frequency bands which are a second radio frequency module 31 that supports a frequency band 1, a second radio frequency module 32 that supports a frequency band 2, and a second radio frequency module 33 that supports a frequency band 3, respectively.
- the narrow beam port 122a is connected to the second radio frequency module 31 that supports the frequency band 1, the second radio frequency module 32 that supports the frequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using a multi-band combiner 40a
- the narrow beam port 122b is connected to the second radio frequency module 31 that supports the frequency band 1, the second radio frequency module 32 that supports the frequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using a multi-band combiner 40b
- the narrow beam port 122c is connected to the second radio frequency module 31 that supports the frequency band 1, the second radio frequency module 32 that supports the frequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using a multi-band combiner 40c.
- the second antenna array 12 can receive and send a mixed signal obtained by combining a signal of the frequency band 1, a signal of the frequency band 2, and a signal of the frequency band 3, where the frequency band 1, the frequency band 2, and the frequency band 3 herein may be any communication frequency band, which is not specifically limited herein.
- the antenna system can provide coverage of narrow beams of different frequency bands, and a coverage range of the narrow beams may be a range shown in FIG. 4 .
- FIG. 11 is a schematic structural diagram of a base station according to a first embodiment of the present invention.
- an antenna system 10 includes a first antenna array 11 and a second antenna array 12, where the first antenna array 11 includes one column of antennas 111a and another column of antennas 111b, the column of antennas 111a provides a wide beam port 112a, and the column of antennas 111b provides a wide beam port 112b; the second antenna array 12 includes four columns of antennas 121, and provides three narrow beam ports 122a, 122b, and 122c, where three narrow beams formed by the second antenna array 12 are led out through the narrow beam ports 122a, 122b, and 122c, respectively.
- Both a wide beam port and a narrow beam port of the antenna system are connected to a third radio frequency module.
- a connection manner may be that both a wide beam port and a narrow beam port are connected to one third radio frequency module, or that a wide beam port is connected, by using a multi-band combiner, to two or more third radio frequency modules that support different frequency bands, and a narrow beam port is connected, by using a multi-band combiner, to the foregoing two or more third radio frequency modules that support the different frequency bands.
- a third radio frequency module is connected to both a wide beam port and a narrow beam port; therefore, the third radio frequency module is a radio frequency module that supports both a wide beam and a narrow beam. As shown in FIG.
- third radio frequency modules that support different frequency bands, which are a third radio frequency module 41 that supports a frequency band 1, a third radio frequency module 42 that supports a frequency band 2, and a third radio frequency module 43 that supports a frequency band 3.
- the wide beam port 112a is connected to the third radio frequency module 41 that supports the frequency band 1
- the other wide beam port 112b is connected to the third radio frequency module 42 that supports the frequency band 2 and the third radio frequency module 43 that supports the frequency band 3 by using a multi-band combiner 40a
- the narrow beam port 122a is connected to the third radio frequency module 41 that supports the frequency band 1 and the third radio frequency module 42 that supports the frequency band 2 by using a multi-band combiner 40b
- the other two narrow beam ports 122b and 122c are both connected to the third radio frequency module 43 that supports the frequency band 3.
- the column of antennas 111a can receive and send a signal of the frequency band 1, and the column of antennas 111b may receive and send a mixed signal obtained by combining a signal of the frequency band 2 and a signal of the frequency band 3, where the frequency band 1, the frequency band 2, and the frequency band 3 may be any communication frequency band, which is not specifically limited herein.
- the antenna system can provide coverage of wide beams of different frequency bands, and both the third radio frequency module 41 that supports the frequency band 1 and the third radio frequency module 42 that supports the frequency band 2 are connected to the narrow beam port 122a; therefore, a coverage range of wide and narrow beams provided by the antenna system to the two third radio frequency modules may be a range shown in FIG. 12 .
- FIG. 12 is a schematic diagram of a wide/narrow beam 1 according to the embodiment of the present invention.
- the third radio frequency module 42 that supports the frequency band 3 is connected to both the narrow beam ports 122b and 122c; therefore, a coverage range of wide and narrow beams provided by the antenna system to the third radio frequency module may be a range shown in FIG. 13 .
- a wide beam provides a larger coverage area, and narrow beams led out through the narrow beam ports 122b and 122c provide key area coverage.
- FIG. 13 is a schematic diagram of a wide/narrow beam 2 according to the embodiment of the present invention.
- the program may be stored in a computer-readable storage medium.
- the foregoing storage medium includes: any medium that can store program code, such as a ROM, a RAM, a magnetic disk, or an optical disc.
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Description
- The present invention relate to communications technologies, and in particular, to an antenna system and a base station.
- With the development of communications technologies, antenna deployment is faced with dual challenges: limited space and a small capacity of a site. It has become an inevitable trend that an antenna supports multiple systems. For example, an antenna supports a Global System for Mobile Communications (Global System For Mobile Communications, hereinafter referred to as GSM), a Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, hereinafter referred to as UMTS), and a Long Term Evolution (Long Term Evolution, hereinafter referred to as LTE) system. In an existing technology of deploying closely-spaced multi-column antennas, a single beam is split into multiple beams to implement space division multiple access, thereby achieving an objective of improving an antenna capacity.
- However, this antenna deployment technology can provide only narrow beam coverage, which cannot satisfy a requirement that an antenna system should provide both a wide beam and a narrow beam.
-
WO 01/01582 A2 -
US 5 907 816 A discloses a high gain antenna system for cellular use. The antenna system comprises a sector antenna and a multi-beam antenna, wherein the multi-bean antenna covers the same sector with a plurality of narrower beams. -
WO 98/421 50 A2 - The present invention has as its object to provide an antenna system and a base station, to resolve a problem that close-spaced multi-column antennas can provide only a narrow beam, and to satisfy a requirement that an antenna system should provide both a wide beam and a narrow beam. This object is solved by an antenna system of
claim 1 and by a base station of claim 3. Further advantageous embodiments and improvements of the invention are listed in the dependent claims. Hereinafter, before coming to a detailed description of the embodiments, first some aspects of the invention are highlighted. - According to a first aspect, the present invention provides an antenna system, including:
a first antenna array configured to form wide beam coverage and a second antenna array configured to form narrow beam coverage, where: - the first antenna array includes at least two adjacent columns of antennas, where each column of antennas provide at least one wide beam port; the second antenna array includes at least two adjacent columns of antennas, and the second antenna array provides three narrow beam ports, and
- wherein a column interval of the first antenna array is greater than the column interval of the second antenna array.
- With reference to the first aspect an interval between the first antenna array and the second antenna array is greater than a column interval of the second antenna array.
- With reference to the first aspect, the antenna system further includes a multi-band combiner, where the multi-band combiner is connected to one of the at least one narrow beam port and/or one of the at least one the wide beam port.
- With reference to the first aspect, one of the at least one narrow beam port is connected to one multi-band combiner; and one of the at least one wide beam port is connected to another multi-band combiner.
- According to a second aspect, the present invention provides a base station, including:
the antenna system according to the first aspect and at least one radio frequency module, where:
the at least one radio frequency module is connected to the antenna system by using at least one wide beam port and/or at least one narrow beam port. - With reference to the first aspect, the at least one wide beam port is connected to one first radio frequency the other of the at least one wide beam port are connected to at least two third radio frequency modules by using the multi-band combiner, and the at least one narrow beam port is connected to the at least two third radio frequency modules by using a multi-band combiner.
- The examples of the present invention provide an antenna system and a base station.
- To describe the technical solutions in the embodiments of the present invention or in the prior art more clearly, the following briefly introduces the accompanying drawings required for describing the embodiments or the prior art.
-
FIG. 1 is a schematic structural diagram of an antenna system according to a first non claimed example of the present invention; -
FIG. 2 is an example of a schematic structural diagram of an antenna system according to the first non claimed example. -
FIG. 3 is a schematic diagram of a wide beam in an antenna system according to the first non claimed example. -
FIG. 4 is a schematic diagram of a narrow beam in an antenna system according to the first non claimed example of the present invention; -
FIG. 5 is a schematic structural diagram of an antenna system according to a second non claimed example of the present invention; -
FIG. 6 is a schematic structural diagram of an antenna system according to a third non claimed example -
FIG. 7 is a schematic structural diagram of an antenna system according to a fourth non claimed example. -
FIG. 8 is a schematic structural diagram of a base station according to a first non claimed example. -
FIG. 9 is a schematic structural diagram of a base station according to a second non claimed example. -
FIG. 10 is a schematic structural diagram of a base station according to a third non claimed example. -
FIG. 11 is a schematic structural diagram of an antenna system and a base station according to an embodiment of the present invention; -
FIG. 12 is a schematic diagram of a wide/narrow beam configuration 1 in a base station according to the embodiment of the present invention; and -
FIG. 13 is a schematic diagram of a wide/narrow beam configuration 2 in a base station according to the embodiment of the present invention. - To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following clearly and completely describes the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
- Further below, an embodiment of the invention as claimed is described with reference to
FIG. 11 . The examples described above and further explained below do not directly relate to the embodiment of the invention but contribute to the understanding of the invention. -
FIG. 1 is a schematic structural diagram of an antenna system according to a first example. As shown inFIG. 1 , theantenna system 10 in this example may include: afirst antenna array 11 and asecond antenna array 12, where thefirst antenna array 11 is configured to form wide beam coverage, and thesecond antenna array 12 is configured to form narrow beam coverage. Thefirst antenna array 11 includes at least one column of antennas, where each column of antennas provide at least onewide beam port 112; thesecond antenna array 12 includes at least two columns of antennas, and thesecond antenna array 12 provides at least onenarrow beam port 122. -
FIG. 2 is an example of a schematic structural diagram of an antenna system according to the first example. As shown inFIG. 2 , theantenna system 10 includes afirst antenna array 11 and asecond antenna array 12, where thefirst antenna array 11 includes one column ofantennas 111 and provides awide beam port 112; thesecond antenna array 12 includes four columns ofantennas 121, and provides three narrow beam ports: 122a, 122b, and 122c. A narrow beam is led out through a narrow beam port. -
FIG. 3 is a schematic diagram of a wide beam in an antenna system according to the first example. As shown inFIG. 3 , a wide beam formed by one column ofantennas 111 of thefirst antenna array 11 inFIG. 2 , that is, an omnidirectional beam, may cover a relatively large range.FIG. 4 is a schematic diagram of a narrow beam in an antenna system according to the first example. As shown inFIG. 4 , the four columns ofantennas 121 of thesecond antenna array 12 inFIG. 2 form coverage of three narrow beams, which are respectively led out through the threenarrow beam ports second antenna array 12. A coverage range of each narrow beam is less than a coverage range of a wide beam. By using a technology of deploying close-spaced multi-column antennas, thesecond antenna array 12 splits a single beam into multiple beams to implement space division multiple access, thereby improving an antenna capacity. - The antenna system according to this example includes a first antenna array configured to form a wide beam and a second antenna array configured to form a narrow beam. The first antenna array includes at least one column of antennas, where each column of antennas provide at least one wide beam port; the second antenna array includes at least two columns of antennas, and the second antenna array provides at least one narrow beam port. The wide beam formed by the antenna system is led out through the at least one wide beam port, and the narrow beam formed by the antenna system is led out through the at least one narrow beam port. In this way, a problem that close-spaced multi-column antennas can provide only a narrow beam is resolved, and a requirement that an antenna system should provide both a wide beam and a narrow beam is satisfied.
- Further, on the basis of the antenna structure shown in
FIG. 1 , in theantenna system 10 according to this example, an interval between thefirst antenna array 11 and thesecond antenna array 12 is greater than a column interval of thesecond antenna array 12, and/or, an isolation apparatus is disposed between thefirst antenna array 11 and thesecond antenna array 12, to reduce mutual coupling between thefirst antenna array 11 and thesecond antenna array 12.FIG. 5 is a schematic structural diagram of an antenna system according to a second example. As shown inFIG. 5 , on the basis of the antenna structure shown inFIG. 1 , further, anisolation apparatus 21 is disposed between thefirst antenna array 11 and thesecond antenna array 12, where theisolation apparatus 21 is configured to reduce mutual coupling between thefirst antenna array 11 and thesecond antenna array 12, thereby ensuring beam quality of a wide beam. For example, theisolation apparatus 21 may be an isolation wall or an isolation plate, which is not specifically limited in this example. - Further, when the
first antenna array 11 includes at least two columns of antennas, a column interval of thefirst antenna array 11 is greater than the column interval of thesecond antenna array 12. - In this example, the first antenna array forms wide beam coverage by setting a column interval of multiple columns of antennas of a first antenna array to be greater than a column interval of a second antenna array. A greater column interval of the first antenna array may reduce interference between the columns of antennas that provide the wide beam coverage.
-
FIG. 6 is a schematic structural diagram of an antenna system according to a third example. As shown inFIG. 6 , on the basis of the antenna structure shown in the foregoing two examples, theantenna system 10 according to this example may further include a multi-beam formingdevice 31, where the multi-beam formingdevice 31 is connected to thesecond antenna array 12, thesecond antenna array 12 forms at least one narrow beam by using the multi-beam formingdevice 31, and the at least one narrow beam is led out through thenarrow beam port 122. - In this example, the
second antenna array 12 is configured to form coverage of a narrow beam, where a specific direction, a specific coverage area, a specific quantity of beams, and the like of the narrow beam may be controlled by the multi-beam formingdevice 31. For example, the multi-beam formingdevice 31 may adjust parameters such as a phase and an amplitude of an antenna array, thereby forming coverage of multiple narrow beams. - In this example, a multi-beam forming device is integrated into an antenna system, and no multi-beam forming device needs to be additionally configured for the antenna system; therefore, a function of forming wide and narrow beams by the antenna system becomes more intelligent. In addition, in the antenna system, a wide beam is led out through a wide beam port and a narrow beam is led out through a narrow beam port, so that the antenna system can provide only a wide beam or only a narrow beam as required, or provide both a wide beam and a narrow beam.
-
FIG. 7 is a schematic structural diagram of an antenna system according to a fourth example. On the basis of the antenna structure shown inFIG. 1 , theantenna system 10 according to this example may further include amulti-band combiner 41, where themulti-band combiner 41 is connected to a wide beam port and/or a narrow beam port, and theantenna system 10 combines signals of different frequency bands into a mixed signal by using the multi-band combiner 4 or divides the mixed signal into the signals of the different frequency bands. - In this example, the
multi-band combiner 41 may combine signals of different frequency bands into a mixed signal, or divide the mixed signal into the signals of the different frequency bands, so that the antenna system can perform processing on the signals of the different frequency bands simultaneously. For example, the antenna system can combine a signal of a frequency band supported by a GSM system and a signal of a frequency band supported by an LTE system, and feed a combined signal into the antenna system, thereby implementing processing of the two signals of the different frequency bands by the antenna system. - In this example, a multi-band combiner is integrated into an antenna system, and a port for transmitting a mixed signal is directly provided for a radio frequency module, thereby simplifying a connection structure between the antenna system and the radio frequency module.
- Further, as shown in
FIG. 7 , themulti-band combiner 41 may be integrated into the antenna system and serve as a component of the antenna system, or may not be integrated into the antenna system, but serve as an independent structure, and be connected to theantenna system 10, which is not specifically limited herein. -
FIG. 8 is a schematic structural diagram of a base station according to a first example. As shown inFIG. 8 , a base station of this example includes anantenna system 10 and at least oneradio frequency module 20, where theantenna system 10 may use a structure of any one of the antenna system examples inFIG. 1 to FIG. 7 (exceptFIG. 3 and FIG. 4 ), and theradio frequency module 20 is connected to theantenna system 10 by using at least one wide beam port and/or at least one narrow beam port. - By using several specific examples, the following describes in detail the structure of the base station in the example shown in
FIG. 8 . -
FIG. 9 is a schematic structural diagram of a base station according to a second example. As shown inFIG. 9 , theantenna system 10 includes afirst antenna array 11 and asecond antenna array 12, where thefirst antenna array 11 includes one column ofantennas 111a and another column ofantennas 111b, the column ofantennas 111a provides awide beam port 112a, and the column ofantennas 111b provides awide beam port 112b; thesecond antenna array 12 includes four columns ofantennas 121, and provides threenarrow beam ports second antenna array 12 are led out through thenarrow beam ports - The antenna system is connected to a first radio frequency module by using a wide beam port. A connection manner may be that a wide beam port is connected to one first radio frequency module, or that a wide beam port is connected, by using a multi-band combiner, to two or more first radio frequency modules that support different frequency bands. In this example, a first radio frequency module is connected to a wide beam port; therefore, the first radio frequency module is a radio frequency module that supports a wide beam. As shown in
FIG. 9 , in this example, there are three first radio frequency modules that support different frequency bands, which are a firstradio frequency module 21 that supports afrequency band 1, a firstradio frequency module 22 that supports afrequency band 2, and a firstradio frequency module 23 that supports a frequency band 3, respectively. - In this example, the
wide beam port 112a is connected to the firstradio frequency module 21 that supports thefrequency band 1 and the firstradio frequency module 22 that supports thefrequency band 2 by using amulti-band combiner 40, and the otherwide beam port 112b is connected to the firstradio frequency module 23 that supports the frequency band 3. In this connection manner, the column ofantennas 111a can receive and send a mixed signal obtained by combining a signal of thefrequency band 1 and a signal of thefrequency band 2, the column ofantennas 111b can receive and send a signal of the frequency band 3, where thefrequency band 1, thefrequency band 2, and the frequency band 3 herein may be any communication frequency band, which is not specifically limited herein. In the foregoing connection manner, the antenna system can provide coverage of wide beams of different frequency bands, and a coverage range of the wide beams may be a range shown inFIG. 3 . -
FIG. 10 is a schematic structural diagram of a base station according to a third example. As shown inFIG. 10 , anantenna system 10 includes afirst antenna array 11 and asecond antenna array 12, where thefirst antenna array 11 includes one column ofantennas 111a and another column ofantennas 111b, the column ofantennas 111a provides awide beam port 112a, and the column ofantennas 111b provides awide beam port 112b; thesecond antenna array 12 includes four columns ofantennas 121, and provides threenarrow beam ports second antenna array 12 are led out through thenarrow beam ports - The antenna system is connected to a second radio frequency module by using a wide beam port. A connection manner may be that a narrow beam port is connected to one second radio frequency module, or that a narrow beam port is connected, by using a multi-band combiner, to two or more second radio frequency modules that support different frequency bands. In this example, a second radio frequency module is connected to a narrow beam port; therefore, the second radio frequency module is a radio frequency module that supports a narrow beam. As shown in
FIG. 10 , in this example, there are three second radio frequency modules that support different frequency bands, which are a secondradio frequency module 31 that supports afrequency band 1, a second radio frequency module 32 that supports afrequency band 2, and a second radio frequency module 33 that supports a frequency band 3, respectively. - In this example, the
narrow beam port 122a is connected to the secondradio frequency module 31 that supports thefrequency band 1, the second radio frequency module 32 that supports thefrequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using amulti-band combiner 40a, thenarrow beam port 122b is connected to the secondradio frequency module 31 that supports thefrequency band 1, the second radio frequency module 32 that supports thefrequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using amulti-band combiner 40b, and thenarrow beam port 122c is connected to the secondradio frequency module 31 that supports thefrequency band 1, the second radio frequency module 32 that supports thefrequency band 2, and the second radio frequency module 33 that supports the frequency band 3 by using amulti-band combiner 40c. In this connection manner, thesecond antenna array 12 can receive and send a mixed signal obtained by combining a signal of thefrequency band 1, a signal of thefrequency band 2, and a signal of the frequency band 3, where thefrequency band 1, thefrequency band 2, and the frequency band 3 herein may be any communication frequency band, which is not specifically limited herein. In the foregoing connection manner, the antenna system can provide coverage of narrow beams of different frequency bands, and a coverage range of the narrow beams may be a range shown inFIG. 4 . -
FIG. 11 is a schematic structural diagram of a base station according to a first embodiment of the present invention. As shown inFIG. 11 , anantenna system 10 includes afirst antenna array 11 and asecond antenna array 12, where thefirst antenna array 11 includes one column ofantennas 111a and another column ofantennas 111b, the column ofantennas 111a provides awide beam port 112a, and the column ofantennas 111b provides awide beam port 112b; thesecond antenna array 12 includes four columns ofantennas 121, and provides threenarrow beam ports second antenna array 12 are led out through thenarrow beam ports - Both a wide beam port and a narrow beam port of the antenna system are connected to a third radio frequency module. A connection manner may be that both a wide beam port and a narrow beam port are connected to one third radio frequency module, or that a wide beam port is connected, by using a multi-band combiner, to two or more third radio frequency modules that support different frequency bands, and a narrow beam port is connected, by using a multi-band combiner, to the foregoing two or more third radio frequency modules that support the different frequency bands. In the embodiment, a third radio frequency module is connected to both a wide beam port and a narrow beam port; therefore, the third radio frequency module is a radio frequency module that supports both a wide beam and a narrow beam. As shown in
FIG. 11 , in the embodiment, there are three third radio frequency modules that support different frequency bands, which are a thirdradio frequency module 41 that supports afrequency band 1, a third radio frequency module 42 that supports afrequency band 2, and a thirdradio frequency module 43 that supports a frequency band 3. - In the embodiment, the
wide beam port 112a is connected to the thirdradio frequency module 41 that supports thefrequency band 1, and the otherwide beam port 112b is connected to the third radio frequency module 42 that supports thefrequency band 2 and the thirdradio frequency module 43 that supports the frequency band 3 by using amulti-band combiner 40a; thenarrow beam port 122a is connected to the thirdradio frequency module 41 that supports thefrequency band 1 and the third radio frequency module 42 that supports thefrequency band 2 by using amulti-band combiner 40b, and the other twonarrow beam ports radio frequency module 43 that supports the frequency band 3. In this connection manner, the column ofantennas 111a can receive and send a signal of thefrequency band 1, and the column ofantennas 111b may receive and send a mixed signal obtained by combining a signal of thefrequency band 2 and a signal of the frequency band 3, where thefrequency band 1, thefrequency band 2, and the frequency band 3 may be any communication frequency band, which is not specifically limited herein. In the foregoing connection manner, the antenna system can provide coverage of wide beams of different frequency bands, and both the thirdradio frequency module 41 that supports thefrequency band 1 and the third radio frequency module 42 that supports thefrequency band 2 are connected to thenarrow beam port 122a; therefore, a coverage range of wide and narrow beams provided by the antenna system to the two third radio frequency modules may be a range shown inFIG. 12 . A wide beam provides a larger coverage area, and a narrow beam led out through thenarrow beam port 122a provides key area coverage.FIG. 12 is a schematic diagram of a wide/narrow beam 1 according to the embodiment of the present invention. The third radio frequency module 42 that supports the frequency band 3 is connected to both thenarrow beam ports FIG. 13 . A wide beam provides a larger coverage area, and narrow beams led out through thenarrow beam ports FIG. 13 is a schematic diagram of a wide/narrow beam 2 according to the embodiment of the present invention. - Persons of ordinary skill in the art may understand that all or some of the steps of the method embodiments may be implemented by a program instructing related hardware. The program may be stored in a computer-readable storage medium. When the program runs, the steps of the method embodiments are performed. The foregoing storage medium includes: any medium that can store program code, such as a ROM, a RAM, a magnetic disk, or an optical disc.
Claims (4)
- An antenna system (10), comprising:1.1 a first antenna array (11) configured to form wide beam coverage, and1.2 a second antenna array (12) configured to form narrow beam coverage,wherein:1.3 the first antenna array (11) comprises a first and a second adjacent column of antennas (111a, 111b), wherein the first and second column of antennas provides a first and second wide beam port (112a, 112b); and1.4 the second antenna array (12) comprises first to fourth adjacent columns of antennas (121), and the second antenna array provides three narrow beam ports (122a, 122b, 122c), wherein1.5 a column interval of the first antenna array (11) is greater than a column interval of the second antenna array (12); and1.6 wherein an interval between the first antenna array (11) and the second antenna array (12) is greater than the column interval of the second antenna array (12); wherein1.7 the second column (111b) of the first antenna array (11) is adjacent to the first column of the second antenna array (12);1.8 the antenna system further comprises a first, a second and a third radio frequency module (41, 42, 43) supporting different frequency bands 1, 2, 3 and a first and second multi-band combiner (40b, 40a), wherein1.8.1 the first wide beam port (112a) is connected to the first radio frequency module (41) and the second wide beam port (112b) is connected to the second radio frequency module (42) and the third radio frequency module (43) by using the first combiner (40a);1.8.2 the first narrow beam port (122a) is connected to the first radio frequency module (41) and the second radio frequency module (42) by using the second multi-band combiner (40b); and1.8.3 the second and third narrow beam ports (122b, 122c) are both connected to the third radio frequency module (43).
- The antenna system (10) according to claim 1, wherein an isolation apparatus (21) is disposed between the first antenna array (11) and the second antenna array (12).
- Abase station, comprising the antenna system (10) according to any one of claims 1 to 2 and at least one radio frequency module (20).
- The antenna system of claim 1, wherein the narrow beam radiation pattern (122b, 122c) is within the boundary of the wide beam radiation pattern.
Applications Claiming Priority (2)
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CN201310477365.9A CN104577356B (en) | 2013-10-12 | 2013-10-12 | Antenna system and base station |
PCT/CN2014/084275 WO2015051668A1 (en) | 2013-10-12 | 2014-08-13 | Antenna system and base station |
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EP3057179A1 EP3057179A1 (en) | 2016-08-17 |
EP3057179A4 EP3057179A4 (en) | 2016-10-19 |
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US10431877B2 (en) | 2017-05-12 | 2019-10-01 | Commscope Technologies Llc | Base station antennas having parasitic coupling units |
CN107294572B (en) * | 2017-07-12 | 2020-06-09 | 西安空间无线电技术研究所 | Large-scale multi-beam rapid station distribution method |
CN110994203B (en) * | 2019-11-25 | 2022-04-01 | 广东博纬通信科技有限公司 | Broadband mixed multi-beam array antenna |
WO2023052855A1 (en) * | 2021-09-30 | 2023-04-06 | Poynting Antennas (Pty) Limited | A wireless communications system for a marine vessel |
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WO1998042150A2 (en) * | 1997-03-14 | 1998-09-24 | At & T Corp. | Downlink smart antennas for is-54/is-136 tdma systems |
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US5684491A (en) * | 1995-01-27 | 1997-11-04 | Hazeltine Corporation | High gain antenna systems for cellular use |
WO2001001582A2 (en) * | 1999-04-29 | 2001-01-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Integrated adaptive phased arrays and sector antennas |
CN100455075C (en) * | 2003-06-05 | 2009-01-21 | 中兴通讯股份有限公司 | Realizing apparatus for space multi-wave beam feed network |
EP1788408B1 (en) * | 2004-07-16 | 2014-03-05 | Fujitsu Ten, Ltd. | Mono pulse radar device and antenna selector switch |
CN201233956Y (en) * | 2008-07-25 | 2009-05-06 | 中国电子科技集团公司第五十四研究所 | Fast alignment device for antenna |
CN101562817A (en) * | 2009-05-25 | 2009-10-21 | 北京理工大学 | Relaying transmission method based on antenna beam overlapping |
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WO2015051668A1 (en) | 2015-04-16 |
EP3057179A1 (en) | 2016-08-17 |
CN104577356B (en) | 2018-05-29 |
CN104577356A (en) | 2015-04-29 |
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