WO2015051668A1 - Système d'antenne et station de base - Google Patents

Système d'antenne et station de base Download PDF

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Publication number
WO2015051668A1
WO2015051668A1 PCT/CN2014/084275 CN2014084275W WO2015051668A1 WO 2015051668 A1 WO2015051668 A1 WO 2015051668A1 CN 2014084275 W CN2014084275 W CN 2014084275W WO 2015051668 A1 WO2015051668 A1 WO 2015051668A1
Authority
WO
WIPO (PCT)
Prior art keywords
radio frequency
beam port
narrow beam
antenna array
antenna
Prior art date
Application number
PCT/CN2014/084275
Other languages
English (en)
Chinese (zh)
Inventor
赵建平
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14852403.6A priority Critical patent/EP3057179B1/fr
Publication of WO2015051668A1 publication Critical patent/WO2015051668A1/fr

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Classifications

    • 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
    • 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
    • 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
    • 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 embodiments of the present invention relate to communication technologies, and in particular, to an antenna system and a base station.
  • GSM Global System For Mobile Communications
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • an embodiment of the present invention provides an antenna system and a base station to solve the problem that a small-interval multi-column antenna can only provide a narrow beam, and meet the requirement that the antenna system simultaneously provide a wide beam and a narrow beam.
  • an embodiment of the present invention provides an antenna system, including:
  • a first antenna array for forming a wide beam coverage and a second antenna array for forming a narrow beam coverage
  • the first antenna array includes at least one column of antennas, each column of antennas provides 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 interval between the first antenna array and the second antenna array is greater than the column spacing of the second antenna array, and/or, the first day An isolation device is disposed between the line array and the second antenna array.
  • the first antenna array includes at least two columns of antennas
  • the column spacing of the first antenna array Greater than the column spacing of the second antenna array.
  • any one of the first to the second possible implementation manners of the first aspect in a third possible implementation manner of the first aspect, the method further includes: a multi-beam forming device, a second antenna The array forms at least one narrow beam through the multi-beamforming device, and at least one narrow beam is extracted through the narrow beam port.
  • the first implementation of the first to the third aspect the fourth possible implementation manner of the first aspect, further includes: a frequency band combiner, a frequency band The combiner is connected to a narrow beam port, and/or a wide beam port.
  • a base station including:
  • the at least one wide beam port is connected to a first radio frequency module; or
  • At least one wide beam port is connected to at least two first radio frequency modules through a sub-band combiner; or at least one wide beam port is connected to one first radio frequency module, and the other at least one wide beam port is connected to the sub-band combiner At least two first radio frequency modules are connected.
  • the at least one narrow beam port is connected to a second radio frequency module; or At least one narrow beam port is connected to at least two second radio frequency modules through a subband combiner; or at least one narrow beam port is connected to one second radio frequency module, and the other at least one narrow beam port is connected to the subband combiner At least two second radio frequency modules are connected.
  • the at least one wide beam port is connected to a third radio frequency module, and the at least one narrow beam port is connected to a third radio frequency module; or
  • the at least one wide beam port is connected to the at least two third radio frequency modules by the subband combiner, and the at least one narrow beam port is connected to a third radio frequency module; or the at least one wide beam port is connected to a third radio frequency module, And the other at least one wide beam port is connected to the at least two third radio frequency modules through the subband combiner, and the at least one narrow beam port is connected to a third radio frequency module; or the at least one wide beam port and the third radio frequency module Connecting, and at least one narrow beam port is connected to at least two third radio frequency modules through a sub-band combiner; or
  • At least one wide beam port is connected to at least two third radio frequency modules through a subband combiner, and at least one narrow beam port is connected to at least two third radio frequency modules through a subband combiner; or at least one wide beam port Connected to a third radio frequency module, and the other at least one wide beam port is connected to the at least two third radio frequency modules through the sub-band combiner, and the at least one narrow beam port passes through the sub-band combiner and the at least two third radio frequency Module connection; or, The at least one wide beam port is connected to a third radio frequency module, and the at least one narrow beam port is connected to a third radio frequency module, and the other at least one narrow beam port is connected to the at least two third radio frequency modules by using the subband combiner; Or at least one wide beam port is connected to at least two third radio frequency modules through a sub-band combiner, and at least one narrow beam port is connected to one third radio frequency module, and the other at least one narrow beam port is connected to the sub-band combiner Connected to at least two
  • an antenna system and a base station includes a first antenna array forming a wide beam and a second antenna array forming a narrow beam, wherein the first antenna array includes at least one column of antennas, and each column antenna provides at least one wide beam Port, the second antenna array includes at least two columns of antennas, the second antenna array provides at least one narrow beam port, the wide beam formed by the antenna system is led out through at least one wide beam port, and the narrow beam formed by the antenna system is led out through at least one narrow beam port It can solve the problem that the small-interval multi-column antenna can only provide a narrow beam, and meet the requirement that the antenna system provides both a wide beam and a narrow beam.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of an antenna system according to the present invention
  • FIG. 2 is a schematic structural diagram of Embodiment 1 of an antenna system according to the present invention
  • 3 is a schematic diagram of a wide beam of the antenna system according to the first embodiment of the present invention
  • FIG. 4 is a schematic diagram of a narrow beam of the antenna system according to the first embodiment of the present invention
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of an antenna system according to the present invention
  • FIG. 2 is a schematic structural diagram of Embodiment 1 of an antenna system according to the present invention
  • 3 is a schematic diagram of a wide beam of the antenna system according to the first embodiment of the present invention
  • FIG. 4 is a schematic diagram of a narrow beam of the antenna system according to the first embodiment of the present invention
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of an antenna system according to the present invention
  • 3 is a schematic diagram of a wide beam of the antenna system according
  • FIG. 7 is a schematic structural diagram of Embodiment 4 of an antenna system according to the present invention
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention
  • FIG. 11 is a schematic structural diagram of Embodiment 4 of a base station according to the present invention
  • FIG. 12 is a schematic diagram of a wide and narrow beam 1 of Embodiment 4 of the base station according to the present invention
  • Schematic diagram of wide and narrow beam two The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the antenna system 10 of this embodiment may include: a first antenna array 11 and a second antenna array 12, wherein the first antenna array 11, For forming a wide beam coverage; a second antenna array 12 for forming a narrow beam coverage.
  • the first antenna array 11 includes at least one column of antennas, each column of antennas providing at least one wide beam port 112, the second antenna array 12 includes at least two columns of antennas, and the second antenna array provides at least one narrow beam port 122.
  • the antenna system 10 includes a first antenna array 11 and a second antenna array 12.
  • the first antenna array 11 includes a column of antennas 111.
  • a wide beam port 112 the second antenna array 12 includes four columns of antennas 121, providing three narrow beam ports 122a, 122b, and 122c, narrow beams passing through the narrow The beam port is taken out.
  • 3 is a schematic diagram of a wide beam according to Embodiment 1 of the antenna system of the present invention. As shown in FIG. 3, a wide beam coverage formed by a column of antennas 111 of the first antenna array 11 in FIG.
  • FIG. 2 is an omnidirectional beam, which can cover a larger 4 is a schematic diagram of a narrow beam of the antenna system of the first embodiment of the present invention.
  • the four-column antenna 121 of the second antenna array 12 of FIG. 2 forms three narrow beam covers, respectively, and the second antenna array
  • the three narrow beam ports 122a, 122b, and 122c of 12 are led out, the coverage of each narrow beam is smaller than the coverage of the wide beam, and the second antenna array 12 is configured by a small-interval multi-column antenna, by splitting a single beam into Multi-beam implementation of space division multiple access can increase antenna capacity.
  • the antenna system of this embodiment includes a first antenna array forming a wide beam and a second antenna array forming a narrow beam, wherein the first antenna array includes at least one column of antennas, each column antenna provides at least one wide beam port, and the second antenna The 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 at least one wide beam port, and the narrow beam formed by the antenna system is led out through at least one narrow beam port, which can solve the small interval.
  • Multi-column antennas can only provide narrow beam problems, meeting the need for antenna systems to provide both wide and narrow beams.
  • the antenna system 10 of the present embodiment is based on the antenna structure shown in FIG. 1, the interval between the first antenna array 11 and the second antenna array 12 is larger than the column spacing of the second antenna array 12, and / Or, an isolation device is disposed between the first antenna array 11 and the second antenna array 12 to reduce mutual coupling between the first antenna array 11 and the second antenna array 12.
  • 5 is a schematic structural diagram of Embodiment 2 of an antenna system according to the present invention. As shown in FIG. 5, based on the antenna structure shown in FIG. 1, further, a first antenna array 11 and a second antenna array 12 are disposed between The isolation device 21 is configured to reduce the mutual coupling between the first antenna array 11 and the second antenna array 12 to ensure the beam quality of the wide beam.
  • the isolation wall, the isolation board, etc. This is not specifically limited.
  • the column spacing of the first antenna array is greater than the column spacing of the second antenna array.
  • the column spacing of the multi-column antennas of the first antenna array is larger than the column spacing of the antenna arrays of the second antenna, wide beam coverage is formed by the first antenna array, and the large column spacing of the first antenna array can be reduced to provide a wide beam. Interference between the covered columns of antennas.
  • FIG. 6 is a schematic structural diagram of Embodiment 3 of an antenna system according to the present invention, as shown in FIG.
  • the antenna system 10 of the example may further include: a multi-beam forming device 31, the multi-beam forming device 31 is connected to the second antenna array 12, and the second antenna array is further provided on the basis of the antenna structures shown in the above two embodiments. 12 is formed by the multi-beamforming device 31 to form at least one narrow beam, the at least one narrow beam being led out through the narrow beam port 122.
  • the second antenna array 12 is configured to form a narrow beam coverage, and the specific direction, coverage area, and number of beams of the narrow beam may be controlled by the multi-beam forming device 31, for example, by the multi-beam forming device 31.
  • the phase, amplitude and other parameters of the array antenna can be adjusted to form a plurality of narrow beam coverages.
  • the multi-beam forming device by integrating the multi-beam forming device in the antenna system, it is not necessary to separately configure the multi-beam forming device for the antenna system, so that the function of forming the wide and narrow beam of the antenna system is more intelligent, and the antenna system leads the wide beam through the wide beam port.
  • a narrow beam is extracted through a narrow beam port, and only a wide beam or only a narrow beam can be provided as needed, or a wide and narrow beam can be provided at the same time.
  • FIG. 7 is a schematic structural diagram of Embodiment 4 of the antenna system of the present invention.
  • the antenna system 10 of the present embodiment may further include: a sub-band combined circuit on the basis of the antenna structure shown in FIG.
  • the frequency division combiner 41 is connected to the wide beam port and/or the narrow beam port, and the antenna system 10 combines signals of different frequency bands into a mixed signal or divides the mixed signal into different signals by the frequency division combiner 41. The signal of the band.
  • the frequency band combiner 41 can combine signals of different frequency bands into a mixed signal, or divide the mixed signal into signals of different frequency bands, so that the antenna system can simultaneously process signals of different frequency bands, for example,
  • the signal of the frequency band supported by the GSM system and the signal of the frequency band supported by the LTE system are combined and fed into the antenna system, so that the antenna system can process the signals of the two different frequency bands.
  • the port of the mixed signal can be directly provided to the radio frequency module, simplifying the connection structure between the antenna system and the radio frequency module.
  • sub-band combiner 41 may be integrated in the antenna system as shown in FIG. 7, as an integral part of the antenna, or may not be integrated in the antenna system, as an independent structure and antenna system 10 Connection, here is not specifically limited.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the system in this embodiment includes: an antenna system 10 and at least one radio frequency module 20, wherein the antenna system 10 can adopt FIG. 1 to FIG. 7 (FIG. 3 and Figure 4 except for the structure of any antenna system embodiment, RF module 20 is coupled to antenna system 10 via at least one wide beam port and/or at least one narrow beam port.
  • the structure of the base station embodiment shown in FIG. 8 will be described in detail below by using several specific embodiments.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • the antenna system 10 includes a first antenna array 11 and a second antenna array 12.
  • the first antenna array 11 includes two columns of antennas 111a and 111b.
  • the antenna 111a provides a wide beam port 112a
  • the antenna 111b provides a wide beam port 112b
  • the second antenna array 12 includes four columns of antennas 121
  • three narrow beam ports 122a, 122b and 122c are provided
  • the second antenna array 12 forms three The narrow beams are led out through narrow beam ports 122a, 122b, and 122c, respectively.
  • the antenna system is connected to the first radio frequency module through a wide beam port, and the connection mode may be that the wide beam port is connected to one first radio frequency module, or the wide beam port is supported by the sub-band combiner and two or more support different frequency bands.
  • the first RF module is connected.
  • the first radio frequency module is connected to the wide beam port, and therefore the first radio frequency module is a radio frequency module supporting a wide beam.
  • the first radio module supporting the different frequency bands is the first radio frequency module 21, the first radio frequency module 22, and the first radio frequency module 23 of the frequency band 3.
  • the wide beam port 112a is connected to the frequency band first frequency module 21 and the frequency band two first radio frequency module 22 through the frequency band combiner 40, and the other wide beam port 112b is connected to the frequency band three first radio frequency module 23.
  • the antenna 111a can simultaneously transmit and receive the mixed signal of the frequency band 1 and the frequency band 2, and the antenna 11b can transmit and receive the signal of the frequency band 3, where the frequency band 1, the frequency band 2 and the frequency band 3 can be any communication.
  • the frequency band is not specifically limited here.
  • the antenna system can provide wide beam coverage of different frequency bands, and the coverage range can be the range shown in FIG.
  • FIG. 10 is a schematic structural diagram of Embodiment 3 of a base station according to the present invention, as shown in FIG. 10, an antenna system
  • the 10 includes a first antenna array 11 and a second antenna array 12, wherein the first antenna array 11 includes two columns of antennas 111a and 111b, the antenna 111a provides a wide beam port 112a, and the antenna 11b provides a wide beam port 112b,
  • the two antenna array 12 includes four columns of antennas 121, three narrow beam ports 122a, 122b, and 122c are provided, and three narrow beams formed by the second antenna array 12 are taken out through the narrow beam ports 122a, 122b, and 122c, respectively.
  • the antenna system is connected to the second radio frequency module through a narrow beam port, and the connection mode may be that the narrow beam port is connected to a second radio frequency module, or the narrow beam port can support different frequency bands through the sub-band combiner and two or more.
  • the second RF module is connected.
  • the second radio frequency module is connected to the narrow beam port, so the second radio frequency module is a radio frequency module supporting the narrow beam.
  • the present embodiment has three second radio frequency modules supporting different frequency bands, namely, a second radio frequency module 31, a second radio frequency module 32, and a second radio frequency module 33.
  • the narrow beam port 122a is connected to the second frequency module 31, the second frequency module 32, and the second frequency module 33 of the frequency band 3 through the frequency band combiner 40a, and the narrow beam port 122b is divided by the frequency band.
  • the router 40b is connected to the second RF module 31 of the frequency band, the second RF module 32 of the frequency band 2, and the second RF module 33 of the frequency band 3, and the narrow beam port 122c passes through the frequency band combiner 40c and the second frequency module 31 and the frequency band of the frequency band.
  • the second RF module 32 and the third RF module 33 of the frequency band 3 are connected.
  • the second antenna array 12 can simultaneously transmit and receive the mixed signals of the frequency band 1, the frequency band 2, and the frequency band 3, wherein the frequency band 1, the frequency band 2, and the frequency band 3 can be any communication frequency band, where No specific restrictions.
  • the antenna system can provide narrow beam coverage of different frequency bands, and the coverage range can be the range as shown in FIG.
  • the antenna system 10 includes a first antenna array 11 and a second antenna array 12.
  • the first antenna array 11 includes two columns of antennas 111a and 111b.
  • the antenna 111a provides a wide beam port 112a
  • the antenna 111b provides a wide beam port 112b
  • the second antenna array 12 includes four columns of antennas 121, three narrow beam ports 122a, 122b and 122c are provided, and the second antenna array 12 forms three
  • the narrow beams are led out through narrow beam ports 122a, 122b, and 122c, respectively.
  • the wide beam port and the narrow beam port of the antenna system are connected to the third RF module, and the connection mode may be that the wide beam port and the narrow beam port are both connected to one third RF module, or the wide beam port is passed through the subband combiner.
  • the third radio frequency module is connected to the wide beam port and the narrow beam at the same time, so the third radio frequency module is a radio frequency module supporting a wide narrow beam.
  • this embodiment has three third radio frequency modules supporting different frequency bands, which are respectively a frequency band.
  • the wide beam port 112a is connected to the band-first third RF module 41
  • the other wide beam port 112b is connected to the band 2 third RF module 42 and the band 3 third RF module 43 through the sub-band combiner 40a.
  • the narrow beam port 122a is connected to the band 1 third RF module 41 and the band 2 third RF module 42 through the subband combiner 40b
  • the other two narrow beam ports 122b and 122c are connected to the band 3 third RF module 43.
  • the antenna 111a can transmit and receive the signal of the frequency band one, and the other antenna 111b can simultaneously transmit and receive the mixed signal of the signal combination of the frequency band 2 and the frequency band 3, and the second antenna array 12 can simultaneously transmit and receive the frequency band 1 and the frequency band 2 and
  • the mixed signal of the signal of the frequency band 3 is combined, and 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 wide and narrow beam coverage in different frequency bands, and the frequency band is a third radio frequency module.
  • FIG. 12 is a schematic diagram of the wide and narrow beam one of the fourth embodiment of the base station according to the present invention.
  • the third frequency third radio frequency module 43 is simultaneously connected to the narrow beam ports 122b and 122c, so the antenna system
  • the coverage of the wide and narrow beams provided by the third radio frequency module may be in the range shown in FIG. 13, the wide beam provides a large coverage, and the narrow beams led by the narrow beam ports 122b and 122c provide focus area coverage.
  • FIG. 13 is a base station of the present invention. A schematic diagram of the wide and narrow beam two of the fourth embodiment.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the above-described method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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

Abstract

Selon un mode de réalisation, la présente invention concerne un système d'antenne et une station de base. Le système d'antenne selon l'invention comprend : un premier réseau d'antennes destiné à assurer une couverture à large faisceau et un second réseau d'antennes destiné à assurer une couverture à faisceau étroit. Ledit premier réseau d'antennes comprend au moins une antenne de rangée, chaque antenne de rangée formant au moins un port à large faisceau. Ledit second réseau d'antennes comprend au moins deux antennes de rangée, ledit second réseau d'antennes formant au moins un port à faisceau étroit. Le mode de réalisation de l'invention permet de résoudre le problème des antennes à rangées multiples à petit intervalle qui peuvent former uniquement un faisceau étroit et il satisfait à l'exigence d'une couverture simultanée à large faisceau et à faisceau étroit.
PCT/CN2014/084275 2013-10-12 2014-08-13 Système d'antenne et station de base WO2015051668A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14852403.6A EP3057179B1 (fr) 2013-10-12 2014-08-13 Système d'antenne et station de base

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310477365.9 2013-10-12
CN201310477365.9A CN104577356B (zh) 2013-10-12 2013-10-12 天线系统和基站

Publications (1)

Publication Number Publication Date
WO2015051668A1 true WO2015051668A1 (fr) 2015-04-16

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US10431877B2 (en) * 2017-05-12 2019-10-01 Commscope Technologies Llc Base station antennas having parasitic coupling units
CN107294572B (zh) * 2017-07-12 2020-06-09 西安空间无线电技术研究所 一种大规模多波束的快速布站方法
CN110994203B (zh) * 2019-11-25 2022-04-01 广东博纬通信科技有限公司 一种宽频混合多波束阵列天线
WO2023052855A1 (fr) * 2021-09-30 2023-04-06 Poynting Antennas (Pty) Limited Système de communication sans fil pour un navire marin
EP4307574A1 (fr) * 2022-07-12 2024-01-17 Nokia Technologies Oy Procédés, appareils et système d'alignement d'un faisceau nr

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CN101562817A (zh) * 2009-05-25 2009-10-21 北京理工大学 一种基于天线波束交叠的中继传输方法

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WO1998042150A2 (fr) * 1997-03-14 1998-09-24 At & T Corp. Antennes de liaison descendante intelligentes pour systemes amrt is-54/is136
WO2001001582A2 (fr) * 1999-04-29 2001-01-04 Telefonaktiebolaget Lm Ericsson (Publ) Antennes sectorielle et adaptative integrees

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CN1553725A (zh) * 2003-06-05 2004-12-08 中兴通讯股份有限公司 空间多波束馈电网络的实现装置
CN1985187A (zh) * 2004-07-16 2007-06-20 富士通天株式会社 单脉冲雷达装置及天线切换开关
CN201233956Y (zh) * 2008-07-25 2009-05-06 中国电子科技集团公司第五十四研究所 天线快速对准装置
CN101562817A (zh) * 2009-05-25 2009-10-21 北京理工大学 一种基于天线波束交叠的中继传输方法

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Publication number Publication date
CN104577356A (zh) 2015-04-29
CN104577356B (zh) 2018-05-29
EP3057179A1 (fr) 2016-08-17
EP3057179A4 (fr) 2016-10-19
EP3057179B1 (fr) 2019-04-03

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