WO2018090342A1 - 一种天线系统、一种虚拟天线端口的映射方法及装置 - Google Patents
一种天线系统、一种虚拟天线端口的映射方法及装置 Download PDFInfo
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- WO2018090342A1 WO2018090342A1 PCT/CN2016/106456 CN2016106456W WO2018090342A1 WO 2018090342 A1 WO2018090342 A1 WO 2018090342A1 CN 2016106456 W CN2016106456 W CN 2016106456W WO 2018090342 A1 WO2018090342 A1 WO 2018090342A1
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- port
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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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
-
- 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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
Definitions
- the present invention relates to the field of communications technologies, and in particular, to an antenna system, a method and a device for mapping a virtual antenna port.
- the small base station has the characteristics of large capacity and high speed, which can increase the network capacity and increase the user's Internet access rate in the edge coverage area of the macro base station. It can also adapt to various backhaul networks, and the deployment is flexible and fast, which brings a better mobile broadband experience for users. .
- the small base station implements network coverage through mode 1
- the macro base station implements network coverage through mode 2.
- the antenna system of the small base station includes an antenna array, and the antenna array includes six longitudinally arranged antenna elements, each antenna element consisting of one positive 45 degree polarization element and one A negative 45-degree polarization array element.
- the six positive 45-degree polarization elements correspond to the physical antenna port 0, and the six negative 45-degree polarization array elements correspond to the physical antenna port 1.
- the Base Band Unit (BBU) in the small base station maps virtual antenna port 0 (Port 0) and virtual antenna port 1 (Port 1) to physical antenna port 0 and physical antenna port by weight [1, 1], respectively. 1. By using the mapping, the antenna system generates a beam of a fixed shape to implement network coverage.
- BBU Base Band Unit
- the antenna system of the macro base station includes an antenna array, the antenna array includes two columns of antenna elements, and each column includes six longitudinally arranged antenna elements.
- Each antenna element consists of a positive 45 degree polarization element and a negative 45 degree polarization element.
- the six positive 45-degree polarization array elements of the first column antenna element correspond to the physical antenna port 0, and the six negative 45-degree polarization array elements of the first column antenna element correspond to the physical antenna port 1, and the second column antenna
- the six positive 45 degree polarization elements of the array element correspond to the physical antenna port 2
- the six negative 45 degree polarization array elements of the second column antenna element correspond to the physical antenna port 3.
- the BBU in the macro base station maps virtual antenna port 0 (Port 0) to physical antenna port 0 and physical antenna port 1, and virtual antenna port 1 (Port 1) to physical antenna port 2 and physical antenna port 3, through which the antenna is made.
- the system produces a beam of fixed shape for network coverage.
- the first method can only be applied to the low-rise residential areas and street coverage scenes.
- the main installation method is the installation of the street road poles.
- the second method is applied to a wide coverage scenario where the building is not dense. Because the radio remote unit (Radio Remote Unit, RRU) and the antenna system of the macro base station are large in size and weight, they cannot be applied to low-rise residential areas and street coverage scenarios. .
- RRU Radio Remote Unit
- the antenna system of the first mode and the second mode the beam of the vertical dimension generated by the antenna system is fixed as a narrow beam. Therefore, neither mode 1 nor mode 2 can satisfy the mid-high layer coverage scenario.
- Embodiments of the present invention provide an antenna system, a method and a device for mapping a virtual antenna port, to implement network coverage of a medium-rise building.
- a first aspect provides an antenna system, including: at least one antenna module, the antenna module includes a first antenna array and a second antenna array that are vertically arranged; and at least one electrical control group that is in one-to-one correspondence with the at least one antenna module, The grouping includes a first electrical tones and a second electrical tones, and the first electrical tones in the corresponding electrical tones of each antenna module are coupled to the first antenna array in the antenna module for adjusting the first antenna in the antenna module The downtilt of the vertical lobe of the beam generated by the array, the second of the electrical tones corresponding to each antenna module The electrical modulation is coupled to the second antenna array in the antenna module for adjusting a downtilt of a vertical lobe of a beam generated by the second antenna array in the antenna module.
- the antenna system provided by the first aspect includes at least two antenna arrays. Therefore, at least two beams can be generated, and the directions of the two beams can be controlled by electro-tuning, so that the two beams together form a wide beam of a vertical dimension. (or narrow beam) to achieve network coverage of high-rise buildings (or low-rise buildings).
- the first antenna array in the antenna module includes N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module includes N2 antenna elements arranged in a longitudinal direction
- each antenna element includes a positive 45 degree and a negative 45 degree polarization array element, wherein the positive 45 degree N1 polarization array elements of the first antenna array correspond to the third physical antenna port, and the first antenna array has a negative 45 degree N1 poles
- the array element corresponds to the fourth physical antenna port
- the N2 polarization array elements of the positive 45 degree of the second antenna array correspond to the first physical antenna port
- the N2 polarization array elements of the negative 45 degree of the second antenna array correspond to the second
- the physical antenna port, N1 and N2 are integers greater than zero.
- a method for mapping a virtual antenna port comprising: a baseband processing unit BBU acquiring architectural information of an antenna system, the antenna system comprising at least one antenna module, the antenna module comprising a first antenna array and a second antenna arranged longitudinally Array, the downtilt angle of the vertical lobe of the beam generated by the first antenna array is the same as or different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array; the BBU is virtualized according to the architecture information of the antenna system and the virtual antenna port of the BBU The antenna port is mapped to a physical antenna port in the antenna system.
- the method provided by the second aspect may enable the antenna module to generate a composite beam by mapping the virtual antenna port and the physical antenna port, and the downtilt angle of the vertical lobes of the two beams generated by the two antenna arrays constituting the composite beam may be Different, so that the composite beam can be a wide beam in the vertical dimension, enabling network coverage of high-rise buildings.
- the first antenna array in the antenna module includes N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module includes N2 antenna elements arranged in a longitudinal direction
- each antenna element includes a positive 45 degree and a negative 45 degree polarization array element, wherein the positive 45 degree N1 polarization array elements of the first antenna array correspond to the third physical antenna port, and the first antenna array has a negative 45 degree N1 poles
- the array element corresponds to the fourth physical antenna port
- the N2 polarization array elements of the positive 45 degree of the second antenna array correspond to the first physical antenna port
- the N2 polarization array elements of the negative 45 degree of the second antenna array correspond to the second
- the physical antenna port, N1 and N2 are integers greater than zero.
- the antenna system includes an antenna module, and the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the antenna module is the same as the downtilt angle of the vertical lobe of the beam generated by the second antenna array,
- the number of the virtual antenna ports is 2.
- the BBU maps the virtual antenna ports to the physical antenna ports in the antenna system according to the architecture information of the antenna system and the virtual antenna ports of the BBU, including: the BBU will be the virtual antenna ports of the two virtual antenna ports.
- the virtual antenna port 1 of the two virtual antenna ports is mapped to the antenna by the weight [1, 1] a second physical antenna port and a fourth physical antenna port in the module.
- the combined beam of the antenna module is a narrow beam in the vertical dimension, which can cover the network of low-rise buildings and streets.
- the antenna system includes an antenna module, and the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the antenna module is different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array,
- the number of the virtual antenna ports is 2.
- the BBU maps the virtual antenna ports to the physical antenna ports in the antenna system according to the architecture information of the antenna system and the virtual antenna ports of the BBU, including: the BBU will be the virtual antenna ports of the two virtual antenna ports.
- the antenna port 1 is mapped to the second physical antenna port and the third physical antenna port in the antenna module by weights [1, -1].
- the composite beam of the antenna module is a wide beam in the vertical dimension, which can cover the network of high-rise buildings.
- the antenna system includes an antenna module, and the number of virtual antenna ports is 4.
- the BBU maps the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU.
- the BBU maps the virtual antenna port 0 of the 4 virtual antenna ports to the first physical antenna port of the antenna module, and maps the virtual antenna port 1 of the 4 virtual antenna ports to the second physical antenna of the antenna module.
- the port maps the virtual antenna port 2 of the 4 virtual antenna ports to the third physical antenna port of the antenna module, and maps the virtual antenna port 3 of the 4 virtual antenna ports to the fourth physical antenna port of the antenna module.
- the combined beam of the antenna module is a narrow beam in the vertical dimension, and the narrow beam Network coverage can be applied to low-rise buildings and streets.
- the combined beam of the antenna module is a wide beam in the vertical dimension. The wide beam can cover the network of high-rise buildings.
- the antenna system includes two antenna modules, the first antenna array of each antenna module generates a downtilt of the vertical lobe of the beam and a vertical lobe of the beam generated by the second antenna array.
- the dip angle is the same, and the number of the virtual antenna ports is 2.
- the BBU maps the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU, including: the BBU will be in the two virtual antenna ports.
- the virtual antenna port 0 is mapped to the first physical antenna port of the first antenna module of the two antenna modules, the third physical antenna port of the first antenna module, and the two antenna modules by using the weight [1, 1, 1, 1] First physical antenna port of the second antenna module
- the virtual antenna port 1 of the two virtual antenna ports is mapped to the first antenna module of the two antenna modules by a weight [1, 1, 1, 1] a second physical antenna port, a fourth physical antenna port of the first antenna module, a second physical antenna port of the second antenna module of the two antenna modules, and a fourth physical antenna port of the second antenna module.
- the combined beam of the first antenna module and the combined beam of the second antenna module are narrow beams in the vertical dimension, and the two narrow beams can cover the network of different low-rise buildings or streets.
- the antenna system includes two antenna modules, the first antenna array of each antenna module generates a downtilt of the vertical lobe of the beam and a vertical lobe of the beam generated by the second antenna array.
- the dip angle is different, and the number of the virtual antenna ports is 2.
- the BBU maps the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU, including: the BBU will be in the two virtual antenna ports.
- the virtual antenna port 0 is mapped to the first physical antenna port of the first antenna module of the two antenna modules, the fourth physical antenna port of the first antenna module, and the two antenna modules by weight [1, 1, 1, 1]
- the first physical antenna port of the second antenna module and the fourth physical antenna port of the second antenna module pass the virtual antenna port 1 of the two virtual antenna ports by a weight [-1, 1, -1, 1] Mapping to a second physical antenna port of the first antenna module of the two antenna modules, a third physical antenna port of the first antenna module, a second physical antenna port of the second antenna module of the two antenna modules, and Two third physical antenna ports of the antenna module.
- the composite beam of the first antenna module and the composite beam of the second antenna module are both wide beams in the vertical dimension, and the two wide beams can cover the network of different high-rise buildings.
- the antenna system includes two antenna modules, and the first antenna array of the first antenna module of the two antenna modules generates a beam under the vertical lobe of the beam.
- the tilt angle is different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array, and the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the second antenna module of the two antenna modules and the second antenna array are generated.
- the vertical lobes of the beam have the same downtilt angle, and the number of virtual antenna ports is 2.
- the BBU maps the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU, including: BBU Mapping the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port of the first antenna module of the two antenna modules by the weight [1, 1, 1, 1], and the fourth antenna module of the first antenna module
- the physical antenna port, the first physical antenna port of the second antenna module of the two antenna modules, and the third physical antenna port of the second antenna module pass the virtual antenna port 1 of the two virtual antenna ports by a weight [-1] 1,1,1] mapping to a second physical antenna port of the first antenna module of the two antenna modules, a third physical antenna port of the first antenna module, and a second antenna module of the two antenna modules Fourth physical antenna ports of a second physical antenna ports and a second antenna module.
- the composite beam of the first antenna module is a wide beam in a vertical dimension
- the wide beam can cover the network of the high-rise building
- the combined beam of the second antenna module is a narrow beam in the vertical dimension.
- Narrow beams allow network coverage of low-rise buildings and streets.
- the antenna system includes two antenna modules, and the number of virtual antenna ports is four.
- the BBU maps the virtual antenna port to the physical antenna in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU.
- the port includes: the BBU maps the virtual antenna port 0 of the four virtual antenna ports to the first physical antenna port and the two antenna modules of the first antenna module of the two antenna modules by using a weight [1, 1] a first physical antenna port of the second antenna module, the virtual antenna port 1 of the 4 virtual antenna ports is mapped to the second physical antenna port of the first antenna module of the 2 antenna modules by a weight [1, 1] a second physical antenna port of the second antenna module of the two antenna modules, and the virtual antenna port 2 of the four virtual antenna ports passes the weight [1, 1] mapping to a third physical antenna port of the first antenna module of the two antenna modules and a third physical antenna port of the second antenna module of the two antenna modules, and virtual antenna port 3 of the four virtual antenna ports
- the combined beams generated by the two antenna modules are For narrow beams in the vertical dimension, the two narrow beams can be network covered for different low-rise buildings or streets.
- the downtilt angles of the vertical lobes of the beams generated by the first antenna array and the second antenna array in each of the two antenna modules are different, the combined beams generated by the two antenna modules are all in the vertical dimension.
- the wide beam, these two wide beams can cover the network of different high-rise buildings.
- the combined beam generated by the antenna module is a narrow beam in a vertical dimension.
- Network coverage may be performed on a low-rise building or a street, and when the first antenna array of the other antenna module of the two antenna modules and the vertical lobe of the beam generated by the second antenna array have different downtilts, the antenna module generates
- the composite beam is a wide beam in the vertical dimension that allows for network coverage of tall buildings.
- the method further includes The BBU performs phase difference compensation on the beam generated by the first antenna array in the antenna module and the beam generated by the second antenna array.
- the beam generated by the first antenna array in the antenna module and the beam generated by the second antenna array are phase-compensated, including: the BBU sets a beam generated by the first antenna array in the antenna module.
- Phase and second antenna array The phase of the generated beam, wherein the phase of the beam generated by the first antenna array in the antenna module is greater than the phase of the beam generated by the second antenna array in the antenna module by 360*sin((ET-1)*15/ 14.4/180* ⁇ )*330*Frq/300, wherein ET is a downtilt angle of a vertical lobe of a beam generated by the first antenna array and the second antenna array in the antenna module, and Frq is a transmission signal of the physical antenna port Frequency of.
- a third aspect provides a BBU, including: an acquiring unit, configured to acquire architectural information of an antenna system, where the antenna system includes at least one antenna module, where the antenna module includes a first antenna array and a second antenna array that are vertically arranged, first The downtilt angle of the vertical lobe of the beam generated by the antenna array is the same as or different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array; the processing unit is configured to be virtual according to the architecture information of the antenna system and the virtual antenna port of the BBU The antenna port is mapped to a physical antenna port in the antenna system.
- the first antenna array in the antenna module includes N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module includes N2 antenna elements arranged in a longitudinal direction
- each antenna element includes a positive 45 degree and a negative 45 degree polarization array element, wherein the positive 45 degree N1 polarization array elements of the first antenna array correspond to the third physical antenna port, and the first antenna array has a negative 45 degree N1 poles
- the array element corresponds to the fourth physical antenna port
- the N2 polarization array elements of the positive 45 degree of the second antenna array correspond to the first physical antenna port
- the N2 polarization array elements of the negative 45 degree of the second antenna array correspond to the second
- the physical antenna port, N1 and N2 are integers greater than zero.
- the antenna system includes an antenna module, and the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the antenna module is the same as the downtilt angle of the vertical lobe of the beam generated by the second antenna array,
- the number of the virtual antenna ports is 2, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the antenna module by using the weight [1, 1] Three physical antenna ports; pass the virtual antenna port 1 of the two virtual antenna ports through the weight [1, 1] Mapping to a second physical antenna port and a fourth physical antenna port in the antenna module.
- the antenna system includes an antenna module, and the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the antenna module is different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array,
- the number of the virtual antenna ports is 2, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the antenna module by using the weight [1, 1] Four physical antenna ports; virtual antenna port 1 of the two virtual antenna ports are mapped to the second physical antenna port and the third physical antenna port in the antenna module by weight [1, -1].
- the antenna system includes an antenna module, and the number of virtual antenna ports is 4, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the four virtual antenna ports to the antenna module.
- the first physical antenna port maps the virtual antenna port 1 of the 4 virtual antenna ports to the second physical antenna port of the antenna module, and maps the virtual antenna port 2 of the 4 virtual antenna ports to the third of the antenna modules.
- the physical antenna port maps the virtual antenna port 3 of the 4 virtual antenna ports to the fourth physical antenna port of the antenna module.
- the antenna system includes two antenna modules, the first antenna array of each antenna module generates a downtilt of the vertical lobe of the beam and a vertical lobe of the beam generated by the second antenna array.
- the dip angle is the same
- the number of virtual antenna ports is 2, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the two antenna modules by using the weight [1, 1, 1, 1] a first physical antenna port of the first antenna module, a third physical antenna port of the first antenna module, a first physical antenna port of the second antenna module of the two antenna modules, and a third physical antenna of the second antenna module Port, the virtual antenna port 1 of the two virtual antenna ports is mapped to the second physical antenna port of the first antenna module of the two antenna modules by using the weight [1, 1, 1, 1], and the first antenna module a fourth physical antenna port, a second physical antenna port of the second antenna module of the two antenna modules, and a fourth physical antenna port of the second antenna module.
- the antenna system includes two antenna modules, the first antenna array of each antenna module generates a downtilt of the vertical lobe of the beam and a vertical lobe of the beam generated by the second antenna array.
- the dip angle is different
- the number of virtual antenna ports is 2
- the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the two antenna modules by using the weight [1, 1, 1, 1] a first physical antenna port of the first antenna module, a fourth physical antenna port of the first antenna module, a first physical antenna port of the second antenna module of the two antenna modules, and a fourth physical antenna of the second antenna module Port, mapping the virtual antenna port 1 of the two virtual antenna ports to the second physical antenna port and the first antenna of the first antenna module of the two antenna modules by using a weight [-1, 1, -1, 1] a third physical antenna port of the module, a second physical antenna port of the second antenna module of the two antenna modules, and a third physical antenna port of the second antenna module.
- the antenna system includes two antenna modules, a downtilt of a vertical lobe of a beam generated by a first antenna array of the first antenna module of the two antenna modules, and a beam generated by the second antenna array
- the downtilt angle of the vertical lobe is different, the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the second antenna module of the 2 antenna modules and the downtilt angle of the vertical lobe of the beam generated by the second antenna array
- the number of virtual antenna ports is 2, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the two antenna modules by using the weight [1, 1, 1, 1] a first physical antenna port of the first antenna module, a fourth physical antenna port of the first antenna module, a first physical antenna port of the second antenna module of the two antenna modules, and a third physical antenna port of the second antenna module Mapping the virtual antenna port 1 of the two virtual antenna ports to the second physical antenna port of the first antenna module
- the antenna system includes two antenna modules, a virtual antenna The number of ports is 4, and the processing unit is specifically configured to: the BBU maps the virtual antenna port 0 of the four virtual antenna ports by the weight [1, 1] to the first of the first antenna modules of the two antenna modules.
- the physical antenna port and the first physical antenna port of the second antenna module of the two antenna modules, the virtual antenna port 1 of the four virtual antenna ports is mapped to the second of the two antenna modules by the weight [1, 1]
- the second physical antenna port of one antenna module and the second physical antenna port of the second antenna module of the two antenna modules map virtual antenna port 2 of the four virtual antenna ports by weight [1, 1] to 2
- the third physical antenna port of the first antenna module and the third physical antenna port of the second antenna module of the two antenna modules pass the virtual antenna port 3 of the four virtual antenna ports through the weight [1] 1] maps to a fourth physical antenna port of the first antenna module of the two antenna modules and a fourth physical antenna port of the second antenna module of the two antenna modules.
- the processing unit when the downtilt angle of the vertical lobe of the beam generated by the first antenna array in one antenna module is the same as the downtilt angle of the vertical lobe of the beam generated by the second antenna array, the processing unit further And: performing phase difference compensation on a beam generated by the first antenna array in the antenna module and a beam generated by the second antenna array.
- the processing unit is specifically configured to: set a phase of a beam generated by the first antenna array in the antenna module and a phase of a beam generated by the second antenna array, where the first one of the antenna modules
- the phase of the beam generated by the antenna array is greater than the phase of the beam generated by the second antenna array in the antenna module by 360*sin((ET-1)*15/14.4/180* ⁇ )*330*Frq/300, where ET is the downtilt angle of the vertical lobe of the beam generated by the first antenna array and the second antenna array in the antenna module, and Frq is the frequency of the transmission signal of the physical antenna port.
- a BBU including: a processor, a memory, a bus, and a communication interface; the memory is configured to store a computer to execute an instruction, the processor and the memory are connected by a bus, and the processor executes the instruction by a computer executing the memory storage, Implement any of the methods provided in the first aspect.
- a computer storage medium for storing computer software instructions for use by the BBU, comprising a program designed to perform any of the methods provided by the first aspect above.
- 1 is a schematic diagram of the composition of an antenna system in the prior art
- FIG. 2 is a schematic diagram showing the composition of another antenna system in the prior art
- FIG. 3 is a schematic structural diagram of a distributed base station according to an embodiment of the present disclosure.
- FIG. 4 is a schematic structural diagram of a BBU according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of an antenna system according to an embodiment of the present disclosure.
- FIG. 6 is a schematic structural diagram of still another antenna system according to an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of a beam-covered low-rise building generated by an antenna module according to an embodiment of the present disclosure
- FIG. 8 is a schematic diagram of a beam-covered high-rise building generated by an antenna module according to an embodiment of the present disclosure
- FIG. 9 is a flowchart of a method for mapping a virtual antenna port according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present invention.
- FIG. 11 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 12 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 13 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 14 is a schematic diagram of network coverage of different low-rise buildings by two antenna modules according to an embodiment of the present invention.
- FIG. 15 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 16 is a schematic diagram of network coverage of different high-rise buildings by two antenna modules according to an embodiment of the present invention.
- FIG. 17 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 18 is a schematic diagram of network coverage of two high-rise buildings and low-rise buildings by two antenna modules according to an embodiment of the present invention.
- FIG. 19 is a schematic diagram of mapping between a virtual antenna port and a physical antenna port according to an embodiment of the present disclosure
- FIG. 20 is a schematic structural diagram of a BBU according to an embodiment of the present disclosure.
- FIG. 21 is a schematic structural diagram of still another BBU according to an embodiment of the present invention.
- the "first” and “second” in the first antenna module and the second antenna module in the following description may be any antenna module, which is not specifically referred to herein, only to distinguish the difference between the two antenna modules. . Similarly, the “first” and “second” in the first antenna array and the second antenna array are also merely to distinguish the difference between the two antenna arrays. The “first”, “second”, “third” and “fourth” in the other descriptions are similar.
- the distributed base station includes a BBU and an RRU connected to the BBU through an optical fiber.
- the RRU is connected to the antenna system through a feeder, and the antenna system transmits (or receives) through the antenna.
- Electromagnetic waves to send (or receive) information the BBU is used to complete the functions of baseband signal processing, transmission, main control and clock; the RRU is used to complete the filtering, signal amplification and up-conversion processing of the RF signal, and the digital intermediate frequency technology is used to realize the analog signal from the intermediate frequency to the baseband digital signal. Conversion.
- the RRU can be integrated with the antenna system to form an Active Antenna Unit (AAU) to meet the basic requirements of the base station site, which is available anywhere, and is environmentally friendly and easy to deploy.
- AAU Active Antenna Unit
- the BBU generally includes a control system, a power supply and an environmental monitoring system connected to the control system, a transmission system and a baseband system connected to the control system, the power supply, and the environmental monitoring system, wherein the control system is used for Centralized management of the entire distributed base station, including operation and maintenance and signaling processing, and provides the system clock; power and environmental monitoring systems for power conversion and external monitoring interface; transmission system for transmission control system and power and environmental monitoring The information exchanged between the systems; the baseband system is used to complete the uplink and downlink data baseband processing functions.
- an antenna system including:
- At least one antenna module 50 includes a first antenna array 501 and a second antenna array 502 arranged in a longitudinal direction;
- At least one electrical group 50' corresponding to the at least one antenna module 50 includes a first electrical modulo 501' and a second electrical modulo 502', and each antenna module 50 corresponds to
- the first electrical modulo 501 ′ in the electrical modulation group 50 ′ is connected to the first antenna array 501 in the antenna module 50 for adjusting the vertical lobes of the beam generated by the first antenna array 501 in the antenna module 50 .
- the second electrical modulo 502' in the corresponding electrical modulation group 50' of each antenna module 50 is connected to the second antenna array 502 in the antenna module 50 Connected to adjust the downtilt of the vertical lobe of the beam generated by the second antenna array 502 in the antenna module 50.
- the ESC in the ESC group corresponding to one antenna module can adjust the downtilt angle of the vertical lobe of the beam generated by the two antenna arrays in the antenna module, and the downtilt angle of the vertical lobe of the beam refers to the direction of the beam.
- the angle with the horizontal line so that the directions of the beams generated by the two antenna arrays can be adjusted, so that the beams generated by the two antenna arrays together form a wide beam of a vertical dimension or a narrow beam of a vertical dimension.
- a beam formed by two beams generated by two antenna arrays in one antenna module is hereinafter referred to as a "composite beam" of the antenna module.
- the combined beam of the antenna module is a narrow beam of a vertical dimension
- the combined beam of the antenna module is a wide beam of vertical dimension, wherein the difference between the downtilt angles of the vertical lobes of the beams generated by the two antenna arrays The larger the value, the wider the width of the composite beam in the vertical dimension.
- the first antenna array in the antenna module includes N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module includes N2 antenna elements arranged in a longitudinal direction
- each antenna array The element includes a positive 45 degree and a negative 45 degree polarization element, wherein the positive 45 degree N1 polarization elements of the first antenna array correspond to the third physical antenna port, and the first antenna array has a negative 45 degree N1
- the polarized array elements correspond to the fourth physical antenna port
- the N2 polarized array elements of the positive 45 degrees of the second antenna array correspond to the first physical antenna port
- the N2 polarized array elements of the negative 45 degrees of the second antenna array correspond to
- the second physical antenna port, N1 and N2 are integers greater than zero.
- N1 and N2 are generally an even number greater than zero.
- each antenna module in the antenna system is connected to the RRU in the base station,
- the number of antenna modules in the line system is generally set to one or two.
- the antenna system includes four physical antenna ports, which is higher than the physical system in the antenna system shown in FIG. 1 (that is, the antenna system provided in the first mode in the prior art).
- the number of antenna ports is large.
- the antenna system provided by the embodiment of the present invention can meet the higher capacity requirements of the network system than the antenna system shown in FIG.
- the antenna system includes eight physical antenna ports, which are different from the antenna system shown in FIG. 1 and the antenna system shown in FIG. 2 (ie, the second method in the prior art).
- the number of physical antenna ports in the provided antenna system is large. In this case, the antenna system provided by the embodiment of the present invention can satisfy the network system higher than the antenna system shown in FIG. 1 and the antenna system shown in FIG. Capacity requirements.
- the antenna module When an antenna module is included in the antenna system, for example, as shown in FIGS. 7 and 8, the antenna module is supported by a rod (eg, a pole), and beam 1 represents a beam generated by the first antenna array in the antenna module.
- ⁇ is the downtilt angle of the vertical lobe of beam 1
- beam 2 represents the beam generated by the second antenna array in the antenna module
- ⁇ is the downtilt angle of the vertical lobe of beam 2 as shown in Fig. 7, when ⁇ and When ⁇ is the same, the combined beam of the antenna module is a narrow beam of vertical dimension, and the narrow beam can be used for network coverage of low-rise buildings and streets, as shown in FIG. 8 , when ⁇ and ⁇ are different, the antenna module
- the composite beam is a wide beam of vertical dimension that can be used for network coverage of tall buildings.
- the antenna system provided by the embodiment of the present invention includes at least two antenna arrays. Therefore, at least two beams can be generated, and the directions of the two beams can be controlled by ESC, so that the two beams form a vertical dimension. Beam (or narrow beam) for network coverage of tall buildings (or low-rise buildings).
- the embodiment of the present invention further provides a mapping method of a virtual antenna port, as shown in FIG. 9, including:
- the BBU obtains architecture information of the antenna system.
- the antenna system comprises at least one antenna module
- the antenna module comprises a first antenna array and a second antenna array arranged longitudinally, the downtilt angle of the vertical lobe of the beam generated by the first antenna array is perpendicular to the beam generated by the second antenna array
- the downtilt angles of the lobes are the same or different.
- the method provided by this embodiment can be specifically performed by a baseband system in the BBU.
- the architecture information of the antenna system may include any information related to the antenna system, for example, the number of antenna modules included in the antenna system, the number and arrangement of the antenna arrays included in the antenna module, and the antenna included in the antenna array.
- the number of array elements and the arrangement, the number of physical antenna ports, and the correspondence between physical antenna ports and polarization elements may include any information related to the antenna system, for example, the number of antenna modules included in the antenna system, the number and arrangement of the antenna arrays included in the antenna module, and the antenna included in the antenna array.
- the architecture information of the antenna system can be directly reported to the BBU by the AAU.
- the architecture information of the antenna system can be reported by the antenna system to the RRU. Report to the BBU.
- the antenna system may include at least one electrical tuning group corresponding to the at least one antenna module, where the electrical tuning group includes a first electrical tones and a second electrical tones, and the first electrical power in each of the corresponding electrical tones of the antenna modules And a first antenna array connected to the antenna module, configured to adjust a downtilt angle of a vertical lobe of a beam generated by the first antenna array in the antenna module, and a second electric power in the corresponding electrical control group of each antenna module
- the second antenna array is coupled to the antenna module for adjusting a downtilt angle of a vertical lobe of a beam generated by the second antenna array in the antenna module. Therefore, the downtilt angle of the vertical lobe of the beam generated by the first antenna array and the beam generated by the second antenna array can be made by electrical adjustment
- the downtilt angles of the lobes are the same or different.
- the BBU maps the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU.
- the BBU can map the virtual antenna port to the physical antenna port by using a virtual antenna mapping (VAM) algorithm.
- VAM virtual antenna mapping
- each antenna module in the antenna system is made by mapping the virtual antenna port to the physical antenna port
- a composite beam having a certain shape, a certain beam width, and a certain antenna gain can be generated to meet the application requirements of different scenarios.
- the downtilt angle of the vertical lobe of the beam generated by the antenna array can be adjusted by adjusting the electrical tone corresponding to the antenna array.
- the method provided by the embodiment of the present invention may enable the antenna module to generate a composite beam by mapping the virtual antenna port and the physical antenna port, and the downtilt angle of the vertical lobes of the two beams generated by the two antenna arrays constituting the composite beam.
- the difference can be such that the composite beam can be a wide beam in the vertical dimension, enabling network coverage of tall buildings.
- the first antenna array in the antenna module comprises N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module comprises N2 antenna elements arranged in a longitudinal direction, each antenna element comprising a positive 45 degree And a negative 45 degree polarization element, wherein a positive 45 degree N1 polarization element of the first antenna array corresponds to a third physical antenna port, and a negative 45 degree N1 polarization element of the first antenna array corresponds to a fourth physical antenna port
- the N2 polarization array elements of the positive 45 degree of the second antenna array correspond to the first physical antenna port
- the N2 polarization array elements of the negative 45 degree of the second antenna array correspond to the second physical antenna port
- Both N1 and N2 are integers greater than zero.
- step 902 Different ways, the following describes different cases separately.
- the antenna system includes an antenna module.
- the first antenna array in the antenna module and the second antenna array generate the same vertical lobe of the beam, and the number of virtual antenna ports is 2.
- the step 902 may be: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the third physical antenna port in the antenna module by using a weight [1, 1]; The virtual antenna port 1 of the 2 virtual antenna ports is mapped to the second physical antenna port and the fourth physical antenna port in the antenna module by a weight [1, 1].
- the first physical antenna port is denoted as T/R0
- the second physical antenna port is denoted as T/R1
- the third physical antenna port is denoted as T/R2
- the fourth physical antenna port is recorded. Recorded as T/R3, virtual antenna port 0 is Port0, virtual antenna port 1 is Port1, virtual antenna port 2 mentioned below is Port2, and virtual antenna port 3 is Port3.
- FIG. 10 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in the case where the BBU maps Port 0 to T/R0 and T by weight [1, 1]. /R2, Port1 maps to T/R1 and T/R3 by weight [1,1].
- the combined beam of the antenna module is a narrow beam similar to that shown in Figure 7 in the vertical dimension, which can cover the network of low-rise buildings and streets.
- the antenna system includes an antenna module.
- the first antenna array and the second antenna array have different vertical lobes of the beam generated by the second antenna array, and the number of virtual antenna ports is 2.
- the step 902 may be: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the fourth physical antenna port in the antenna module by using a weight [1, 1]; The virtual antenna port 1 of the 2 virtual antenna ports is mapped to the second physical antenna port and the third physical antenna port in the antenna module by a weight [1, -1].
- FIG. 11 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case 2, wherein the BBU maps Port0 through the weight [1, 1] to T/R0 and T/R3, Port1 is mapped to T/R1 and T/R2 by weight [1, -1].
- the composite beam of the antenna module is a wide beam similar to that shown in FIG. 8 in the vertical dimension, which can cover the network of high-rise buildings.
- Case 3 The antenna system includes an antenna module, and the number of virtual antenna ports is 4.
- the step 902 may be: the BBU maps the virtual antenna port 0 of the 4 virtual antenna ports to the first physical antenna port of the antenna module, and maps the virtual antenna port 1 of the 4 virtual antenna ports to the specific implementation. a second physical antenna port of the antenna module, mapping virtual antenna port 2 of the 4 virtual antenna ports to a third physical antenna port of the antenna module, and virtual antenna port 3 of the 4 virtual antenna ports Mapping to a fourth physical antenna port in the antenna module.
- FIG. 12 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case three, wherein the BBU maps Port0 to T/R0 and Port2 to T/R1. Map Port1 to T/R2 and Port3 to T/R3.
- the combined beam of the antenna module is a narrow beam similar to that shown in FIG. 7 in the vertical dimension.
- the narrow beam can cover the low-rise buildings and the streets, when the first antenna array and the second antenna array in the antenna module are produced
- the combined beam of the antenna module is a wide beam similar to that shown in FIG. 8 in the vertical dimension, which can cover the network of the high-rise building.
- the antenna system includes two antenna modules, and the first antenna array and the second antenna array in each antenna module generate the same vertical lobes of the beams, and the number of virtual antenna ports is 2.
- the BBU may: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first antenna module of the two antenna modules by using a weight [1, 1, 1, 1] a physical antenna port, a third physical antenna port of the first antenna module, a first physical antenna port of a second antenna module of the two antenna modules, and a third physical antenna port of the second antenna module, Mapping the virtual antenna port 1 of the two virtual antenna ports to the second physical antenna port of the first antenna module of the two antenna modules by using a weight [1, 1, 1, 1], the first antenna a fourth physical antenna port of the module, a second physical antenna port of the second antenna module of the two antenna modules, and a fourth physical antenna port of the second antenna module.
- FIG. 13 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case four, wherein the BBU maps Port0 through a weight [1, 1, 1, 1] to T/R0 and T/R2 of the first antenna module and T/R0 and T/R2 of the second antenna module map Port1 to the T/R1 of the first antenna module by weight [1, 1, 1, 1] And T/R3 and T/R1 and T/R3 of the second antenna module.
- the combined beam of the first antenna module and the combined beam of the second antenna module are narrow beams in a vertical dimension, and the two narrow beams can be networked on different low-rise buildings or streets. cover.
- the antenna system includes two antenna modules, and the vertical lobes of the beams generated by the first antenna array and the second antenna array in each antenna module have different downtilt angles, and the number of virtual antenna ports is 2.
- the BBU may: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first antenna module of the two antenna modules by using a weight [1, 1, 1, 1] a physical antenna port, a fourth physical antenna port of the first antenna module, a first physical antenna port of a second antenna module of the two antenna modules, and a fourth physical antenna port of the second antenna module, Mapping the virtual antenna port 1 of the two virtual antenna ports to the second physical antenna port of the first antenna module of the two antenna modules by using a weight [-1, 1, -1, 1], the first a third physical antenna port of an antenna module, a second physical antenna port of the second antenna module of the two antenna modules, and a third physical antenna port of the second antenna module.
- FIG. 15 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case 5, wherein the BBU maps Port0 through a weight [1, 1, 1, 1] to T/R0 and T/R3 of the first antenna module and T/R0 and T/R3 of the second antenna module map Port1 through the weight [-1, 1, -1, 1] to the T of the first antenna module /R1 and T/R2 and T/R1 and T/R2 of the second antenna module.
- the composite beam of the first antenna module and the composite beam of the second antenna module are both wide beams in the vertical dimension, and the two wide beams can cover the network of different high-rise buildings.
- the antenna system includes two antenna modules, and the first antenna array of the first antenna module and the second antenna array of the second antenna module have different downtilts of vertical lobes of the beam, and are in the two antenna modules.
- the vertical lobes of the beams generated by the first antenna array and the second antenna array in the second antenna module have the same downtilt angle, and the number of virtual antenna ports is 2.
- the BBU may: the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first antenna module of the two antenna modules by using a weight [1, 1, 1, 1] a physical antenna port, a fourth physical antenna port of the first antenna module, and a first physical antenna end of a second antenna module of the two antenna modules Port and the third physical antenna port of the second antenna module, mapping the virtual antenna port 1 of the two virtual antenna ports to the two antenna modules by using a weight [-1, 1, 1, 1] a second physical antenna port of the first antenna module, a third physical antenna port of the first antenna module, a second physical antenna port of the second antenna module of the two antenna modules, and the second antenna module The fourth physical antenna port.
- FIG. 17 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case 6, wherein the BBU maps Port0 through a weight [1, 1, 1, 1] to T/R0 and T/R3 of the first antenna module and T/R0 and T/R2 of the second antenna module map Port1 to the T/ of the first antenna module by weight [-1, 1, 1, 1] R1 and T/R2 and T/R1 and T/R3 of the second antenna module.
- the composite beam of the first antenna module is a wide beam in a vertical dimension
- the wide beam can cover the network of the high-rise building
- the combined beam of the second antenna module is in the vertical dimension.
- Case 7 The antenna system includes 2 antenna modules, and the number of virtual antenna ports is 4.
- the BBU may: the BBU maps the virtual antenna port 0 of the four virtual antenna ports to the first physical antenna port of the first antenna module of the two antenna modules by using a weight [1, 1]. Mapping the virtual antenna port 1 of the four virtual antenna ports to the two antenna modules by using a weight [1, 1] and a first physical antenna port of the second antenna module of the two antenna modules The second physical antenna port of the first antenna module and the second physical antenna port of the second antenna module of the two antenna modules pass the virtual antenna port 2 of the four virtual antenna ports by a weight [1, 1] Mapping a third physical antenna port of the first antenna module of the two antenna modules and a third physical antenna port of the second antenna module of the two antenna modules, and virtual antennas of the four virtual antenna ports The port 3 is mapped to the fourth physical antenna port of the first antenna module and the second of the two antenna modules by using a weight [1, 1] The fourth physical antenna port of the two antenna modules.
- FIG. 19 shows a schematic diagram of mapping between a virtual antenna port and a physical antenna port in case 7, wherein the BBU maps Port0 through the weight [1, 1] to the first antenna module.
- T/R0 and T/R0 of the second antenna module Port1 is mapped to the T/R2 of the first antenna module and the T/R2 of the second antenna module by the weight [1, 1], and the Port2 passes the weight [ 1,1] mapping to T/R1 of the first antenna module and T/R1 of the second antenna module, mapping Port3 to the T/R3 of the first antenna module and the second antenna module by the weight [1, 1] T/R3.
- the combined beams generated by the two antenna modules are all A narrow beam in the vertical dimension, which can cover the network of different low-rise buildings or streets. See Figure 14 for details.
- the combined beams generated by the two antenna modules are all in the vertical dimension.
- the wide beam, these two wide beams can cover the network of different high-rise buildings, as shown in Figure 16.
- the combined beam generated by the antenna module is a narrow beam in a vertical dimension.
- Network coverage may be performed on a low-rise building or a street, and when the first antenna array of the other antenna module of the two antenna modules and the vertical lobe of the beam generated by the second antenna array have different downtilts, the antenna module generates
- the composite beam is a wide beam in the vertical dimension, which can cover the network of high-rise buildings. See Figure 18 for details.
- the beams generated by the first antenna array and the second antenna array in one antenna module do not generate coherent superposition, thereby causing the antenna module to generate Synthetic beam Has a better coverage.
- the method further The method includes: the BBU performs phase difference compensation on the beam generated by the first antenna array in the antenna module and the beam generated by the second antenna array. By compensating for the phase difference, the synthesis effect of the beams generated by the two antenna arrays in the antenna module can be improved.
- the specific compensation method may be: setting a phase of a beam generated by the first antenna array in the antenna module and a phase of a beam generated by the second antenna array, wherein a phase of a beam generated by the first antenna array in the antenna module is The phase of the beam generated by the second antenna array in the antenna module is 360*sin((ET-1)*15/14.4/180* ⁇ )*330*Frq/300, where ET is the first in the antenna module The downtilt angle of the vertical lobe of the beam generated by the antenna array and the second antenna array, and Frq is the frequency of the transmitted signal of the physical antenna port, where "*" means "multiplication".
- the beam 1 generated by the first antenna array and The beams 2 generated by the second antenna array together form a narrow beam of vertical dimension, and there is a phase difference between beam 1 and beam 2.
- the BBU needs to be between beam 1 and beam 2.
- the phase difference is compensated.
- the phase of the beam generated by the first antenna array is greater than the phase of the beam generated by the second antenna array by 360*sin((ET-1)*15/14.4/180* ⁇ )* 330*Frq/300 implementation.
- the downtilt angle of the vertical lobe of the beam generated by the first antenna array and the vertical lobe of the beam generated by the second antenna array are 15 degrees, and the frequency of the transmitted signal of the physical antenna port is 2.2 GHz.
- the phase of the beam generated by the first antenna array may be set to 0, and the phase of the beam generated by the second antenna array may be set to -219.3576 degrees.
- two beams generated by one antenna module may cover one 4-channel cell, or may cover two inter-frequency 2-channel cells.
- the network coverage in different scenarios can be effectively improved by using the narrow-beam and wide-beam beams of the vertical dimension generated by the antenna system in the embodiment of the present invention.
- Table 1 shows that the AAU obtained by simulation is EM1.0 (EasyMacro1). .0) and EM2.0 (EasyMacro2.0) increase in network throughput in different scenarios.
- the EM1.0 adopts the first method in the prior art to implement network coverage.
- the AAU obtained by the integrated configuration of the RRU and the antenna system in the present invention is denoted as EM2.0.
- EM2.0-SU indicates a single-user scenario
- EM2.0-MU indicates a multi-user scenario
- DL indicates downlink
- UL indicates uplink
- scenario 1 is a coverage scene of a street and a 1-2-story building along the street. 200 meters in the street, 4-8 floors covering the scene
- scene 3 is the middle and high-rise buildings (60 meters high) covering the scene, as can be seen from Table 1, the street station scene (including scene 1 and scene 2), EM2. 0
- the average downlink throughput increased by 8%-12%
- the downlink edge throughput increased by 16%-24%
- the uplink average throughput increased by 40%-45%
- the uplink edge throughput increased by 60%-82%.
- the BBU includes corresponding hardware structures and/or software elements for performing the various steps in the method.
- the present invention can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein.
- the specific implementation of hardware or computer software to drive hardware depends on the specific application and design constraints of the technical solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
- the embodiment of the present invention may perform the division of functional units on the BBU according to the foregoing method embodiment.
- each functional unit may be divided corresponding to each method step, or two or more functional units may be integrated into one processing unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logical function division, and the actual implementation may have another division manner.
- FIG. 20 shows a schematic diagram of a composition of a BBU 20, including:
- the acquiring unit 2001 is configured to acquire architecture information of the antenna system, where the antenna system includes at least one antenna module, where the antenna module includes a first antenna array and a second antenna array that are vertically arranged, and the first antenna array generates a beam under the vertical lobes
- the tilt angle is the same as or different from the downtilt angle of the vertical lobe of the beam generated by the second antenna array;
- the processing unit 2002 is configured to map the virtual antenna port to the physical antenna port in the antenna system according to the architecture information of the antenna system and the virtual antenna port of the BBU.
- the first antenna array in the antenna module comprises N1 antenna elements arranged in a longitudinal direction
- the second antenna array in the antenna module comprises N2 antenna elements arranged in a longitudinal direction, each antenna element comprising a positive 45 degree And a negative 45 degree polarization element, wherein a positive 45 degree N1 polarization element of the first antenna array corresponds to a third physical antenna port, and a negative 45 degree N1 polarization element of the first antenna array corresponds to a fourth physical antenna port
- the N2 polarization array elements of the positive 45 degree of the second antenna array correspond to the first physical antenna port
- the N2 polarization array elements of the negative 45 degree of the second antenna array correspond to the second physical antenna port
- Both N1 and N2 are integers greater than zero.
- the antenna system includes an antenna module.
- the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the antenna module is the same as the downtilt angle of the vertical lobe of the beam generated by the second antenna array, and the virtual antenna port is The number is 2, and the processing unit 2002 is specifically used to:
- the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the third physical antenna port in the antenna module by the weight [1, 1]; the virtual antenna port of the two virtual antenna ports 1 is mapped to the second physical antenna port and the fourth physical antenna port in the antenna module by a weight [1, 1].
- the antenna system includes an antenna module, wherein a downtilt angle of a vertical lobe of the beam generated by the first antenna array in the antenna module is different from a downtilt angle of a vertical lobe of the beam generated by the second antenna array, and the virtual antenna port is different
- the number is 2, and the processing unit 2002 is specifically used to:
- the BBU maps the virtual antenna port 0 of the two virtual antenna ports to the first physical antenna port and the fourth physical antenna port in the antenna module by the weight [1, 1]; the virtual antenna port of the two virtual antenna ports 1 is mapped to the second physical antenna port and the third physical antenna port in the antenna module by a weight [1, -1].
- the antenna system includes an antenna module, and the number of the virtual antenna ports is 4.
- the processing unit 2002 is specifically configured to:
- the BBU maps the virtual antenna port 0 of the 4 virtual antenna ports to the first physical antenna port of the antenna module, and maps the virtual antenna port 1 of the 4 virtual antenna ports to the second physical antenna port of the antenna module, The virtual antenna port 2 of the 4 virtual antenna ports is mapped to the third physical antenna port of the antenna module, and the virtual antenna port 3 of the 4 virtual antenna ports is mapped to the fourth physical antenna port of the antenna module.
- the antenna system includes two antenna modules, and a downtilt angle of a vertical lobe of a beam generated by the first antenna array in each antenna module is the same as a downtilt angle of a vertical lobe of a beam generated by the second antenna array, and is virtual
- the number of antenna ports is 2, and the processing unit 2002 is specifically configured to:
- the BBU maps the virtual antenna port 0 of the two virtual antenna ports by the weight [1, 1, 1, 1] to the first physical antenna port of the first antenna module of the two antenna modules, and the first antenna module.
- the third physical antenna port, the first physical antenna port of the second antenna module of the two antenna modules, and the third physical antenna port of the second antenna module pass the virtual antenna port 1 of the two virtual antenna ports by a weight [1] ,1,1,1] mapping to a second physical antenna port of the first antenna module of the two antenna modules, a fourth physical antenna port of the first antenna module, and a second of the second antenna module of the two antenna modules a physical antenna port and a fourth physical antenna port of the second antenna module.
- the antenna system includes two antenna modules, wherein a downtilt angle of a vertical lobe of a beam generated by the first antenna array in each antenna module is different from a downtilt angle of a vertical lobe of a beam generated by the second antenna array, and virtual The number of antenna ports is 2, and the processing unit 2002 is specifically configured to:
- the BBU maps the virtual antenna port 0 of the two virtual antenna ports by the weight [1, 1, 1, 1] to the first physical antenna port of the first antenna module of the two antenna modules, and the first antenna module.
- the virtual antenna port 1 in the virtual antenna port is mapped to the second physical antenna port of the first antenna module of the two antenna modules by the weight [-1, 1, -1, 1], and the third physical of the first antenna module
- the antenna system includes two antenna modules, a downtilt angle of a vertical lobe of a beam generated by the first antenna array in the first antenna module of the two antenna modules, and a vertical lobe of a beam generated by the second antenna array
- the downtilt angle is different, the downtilt angle of the vertical lobe of the beam generated by the first antenna array in the second antenna module of the two antenna modules is the same as the downtilt angle of the vertical lobe of the beam generated by the second antenna array, and the virtual antenna
- the number of ports is 2, and the processing unit 2002 is specifically configured to:
- the BBU maps the virtual antenna port 0 of the two virtual antenna ports by the weight [1, 1, 1, 1] to the first physical antenna port of the first antenna module of the two antenna modules, and the first antenna module.
- Four physical antenna ports, a first physical antenna port of the second antenna module of the two antenna modules, and a third physical antenna port of the second antenna module, and the virtual antenna port 1 of the two virtual antenna ports passes the weight [- 1,1,1,1] mapping to a second physical antenna port of the first antenna module of the two antenna modules, a third physical antenna port of the first antenna module, and a second antenna module of the two antenna modules
- the antenna system includes two antenna modules, and the number of virtual antenna ports is four, and the processing unit 2002 is specifically configured to:
- the BBU maps the virtual antenna port 0 of the four virtual antenna ports to the first physical antenna port of the first antenna module and the second antenna module of the two antenna modules by using the weight [1, 1]
- the first physical antenna port, the virtual antenna port 1 of the 4 virtual antenna ports is mapped to the second physical antenna port and the 2 antenna modules of the first antenna module of the 2 antenna modules by the weight [1, 1] a second physical antenna port of the second antenna module, connecting the virtual antenna port 2 of the four virtual antenna ports
- the weighted value [1,1] is mapped to the third physical antenna port of the first antenna module of the two antenna modules and the third physical antenna port of the second antenna module of the two antenna modules, and the four virtual antenna ports are
- the virtual antenna port 3 in the middle is mapped to the fourth physical antenna port of the first antenna module of the two antenna modules and the fourth physical antenna port of the second antenna module of the two antenna modules by the weight [1, 1].
- the processing unit 2002 is further configured to:
- Phase difference compensation is performed on the beam generated by the first antenna array in the antenna module and the beam generated by the second antenna array.
- processing unit 2002 is specifically configured to:
- phase of a beam generated by the first antenna array in the antenna module and a phase of a beam generated by the second antenna array, wherein a phase of a beam generated by the first antenna array in the antenna module is greater than a second phase in the antenna module
- the phase of the beam generated by the antenna array is 360*sin((ET-1)*15/14.4/180* ⁇ )*330*Frq/300, where ET is the first antenna array and the second antenna in the antenna module.
- the downtilt of the vertical lobe of the beam produced by the array, and Frq is the frequency of the transmitted signal of the physical antenna port.
- Each unit in the BBU 20 is used to perform the foregoing method. Therefore, the beneficial effects of the BBU 20 can be seen in the beneficial effects of the foregoing method, and details are not described herein again.
- Each of the above units may refer to an application-specific integrated circuit (ASIC) circuit, a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
- ASIC application-specific integrated circuit
- the obtaining unit 2001 can be executed through a communication interface or a receiver, and the processing unit 2002 can be executed by a processor.
- the above method can be implemented by using the BBU 21 as shown in FIG. 21, and the BBU 21 includes a processor 2101, a memory 2102, a bus 2103, and a communication interface 2104.
- the processor 2101 can be a general processing unit (CPU), a microprocessor, an ASIC, or one or more integrated circuits for controlling the execution of the program of the present invention.
- CPU general processing unit
- ASIC application specific integrated circuit
- the memory 2102 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or a device that can store information and instructions.
- ROM read-only memory
- RAM random access memory
- Other types of dynamic storage devices may also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM) or other optical discs.
- EEPROM electrically erasable programmable read-only memory
- CD-ROM compact disc read-only memory
- Storage optical storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures And any other medium that can be accessed by a computer, but is not limited thereto.
- Communication interface 2104 can be a device such as a transceiver for communicating with other devices.
- the processor 2101, the memory 2102, and the communication interface 2104 are connected by a bus 2103, which may include a path for transferring information between the processor 2101, the memory 2102, and the communication interface 2104.
- the memory 2102 can exist independently and is coupled to the processor 2101 via a bus 2103.
- the memory 2102 can also be integrated with the processor 2101.
- the bus 2103 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus.
- PCI peripheral component interconnect
- EISA extended industry standard architecture
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 21, but it does not mean that there is only one bus or one type of bus.
- the memory 2102 is configured to store computer execution instructions, and the processor 2101 executes instructions by executing a computer stored in the memory 2102 to perform the following actions:
- the antenna system includes at least one antenna module, the antenna module includes a first antenna array and a second antenna array arranged longitudinally, a downtilt angle of a vertical lobe of the beam generated by the first antenna array, and a second antenna array
- the downward lobes of the vertical lobes of the resulting beam are the same or different;
- the virtual antenna port is mapped to the physical antenna port in the antenna system according to the architectural information of the antenna system and the virtual antenna port of the BBU.
- the processor 2101 can also perform other steps in the above methods by executing computer executed instructions stored in the memory 2102. For details, refer to the above method, and details are not described herein again.
- Each device in the BBU 21 is used to perform the above method. Therefore, the beneficial effects of the BBU 21 can be seen in the beneficial effects of the foregoing method, and details are not described herein again.
- the embodiment of the present invention further provides a computer storage medium for storing computer software instructions used by the BBU, which includes a program designed to execute the foregoing method embodiments.
- the mapping method of the virtual antenna port can be realized by executing the stored program.
- embodiments of the present invention can be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
- the computer program is stored/distributed in a suitable medium, provided with other hardware or as part of the hardware, or in other distributed forms, such as over the Internet or other wired or wireless telecommunication systems.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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Abstract
Description
Claims (14)
- 一种天线系统,其特征在于,包括:至少一个天线模块,所述天线模块包括纵向排列的第一天线阵列和第二天线阵列;与所述至少一个天线模块一一对应的至少一个电调组,所述电调组包括第一电调和第二电调,每个所述天线模块对应的所述电调组中的第一电调与该天线模块中的第一天线阵列连接,用于调整该天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角,每个所述天线模块对应的所述电调组中的第二电调与该天线模块中的第二天线阵列连接,用于调整该天线模块中的第二天线阵列产生的波束的垂直波瓣的下倾角。
- 根据权利要求1所述的天线系统,其特征在于,所述天线模块中的第一天线阵列包括纵向排列的N1个天线阵元,所述天线模块中的第二天线阵列包括纵向排列的N2个天线阵元,每个天线阵元包括一个正45度和一个负45度极化阵元,其中,所述第一天线阵列的正45度的N1个极化阵元对应第三物理天线端口,所述第一天线阵列的负45度的N1个极化阵元对应第四物理天线端口,所述第二天线阵列的正45度的N2个极化阵元对应第一物理天线端口,所述第二天线阵列的负45度的N2个极化阵元对应第二物理天线端口,N1、N2均为大于0的整数。
- 一种虚拟天线端口的映射方法,其特征在于,包括:基带处理单元BBU获取天线系统的架构信息,所述天线系统包括至少一个天线模块,所述天线模块包括纵向排列的第一天线阵列和第二天线阵列,所述第一天线阵列产生的波束的垂直波瓣的下倾角与所述第二天线阵列产生的波束的垂直波瓣的下倾角相同或不同;所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口。
- 根据权利要求3所述的方法,其特征在于,所述天线模块中的第一天线阵列包括纵向排列的N1个天线阵元,所述天线模块中的第二天线阵列包括纵向排列的N2个天线阵元,每个天线阵元包括一个正45度和一个负45度极化阵元,其中,所述第一天线阵列的正45度的N1个极化阵元对应第三物理天线端口,所述第一天线阵列的负45度的N1个极化阵元对应第四物理天线端口,所述第二天线阵列的正45度的N2个极化阵元对应第一物理天线端口,所述第二天线阵列的负45度的N2个极化阵元对应第二物理天线端口,N1、N2均为大于0的整数。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括一个天线模块,所述天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角相同,所述虚拟天线端口的个数为2,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将2个虚拟天线端口中的虚拟天线端口0通过权值[1,1]映射到所述天线模块中的第一物理天线端口和第三物理天线端口;将2个虚拟天线端口中的虚拟天线端口1通过权值[1,1]映射到所述天线模块中的第二物理天线端口和第四物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括一个天线模块,所述天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角不同,所述虚拟天线端口的个数为2,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将2个虚拟天线端口中的虚拟天线端口0通过权值[1,1]映射到所述天线模块中的第一物理天线端口和第四物理天线端口; 将2个虚拟天线端口中的虚拟天线端口1通过权值[1,-1]映射到所述天线模块中的第二物理天线端口和第三物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括一个天线模块,所述虚拟天线端口的个数为4,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将4个虚拟天线端口中的虚拟天线端口0映射到所述天线模块中的第一物理天线端口,将4个虚拟天线端口中的虚拟天线端口1映射到所述天线模块中的第二物理天线端口,将4个虚拟天线端口中的虚拟天线端口2映射到所述天线模块中的第三物理天线端口,将4个虚拟天线端口中的虚拟天线端口3映射到所述天线模块中的第四物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括2个天线模块,每个天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角相同,所述虚拟天线端口的个数为2,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将2个虚拟天线端口中的虚拟天线端口0通过权值[1,1,1,1]映射到所述2个天线模块中的第一天线模块的第一物理天线端口、所述第一天线模块的第三物理天线端口、所述2个天线模块中的第二天线模块的第一物理天线端口和所述第二天线模块的第三物理天线端口,将2个虚拟天线端口中的虚拟天线端口1通过权值[1,1,1,1]映射到所述2个天线模块中的第一天线模块的第二物理天线端口、所述第一天线模块的第四物理天线端口、所述2个天线模块中的第二天线模块的第二物理天线端口和所述第二天线模块的第四物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括2个天线模块,每个天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角不同,所述虚拟天线端口的个数为2,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将2个虚拟天线端口中的虚拟天线端口0通过权值[1,1,1,1]映射到所述2个天线模块中的第一天线模块的第一物理天线端口、所述第一天线模块的第四物理天线端口、所述2个天线模块中的第二天线模块的第一物理天线端口和所述第二天线模块的第四物理天线端口,将2个虚拟天线端口中的虚拟天线端口1通过权值[-1,1,-1,1]映射到所述2个天线模块中的第一天线模块的第二物理天线端口、所述第一天线模块的第三物理天线端口、所述2个天线模块中的第二天线模块的第二物理天线端口和所述第二天线模块的第三物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括2个天线模块,所述2个天线模块中的第一天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角不同,所述2个天线模块中的第二天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角和第二天线阵列产生的波束的垂直波瓣的下倾角相同,所述虚拟天线端口的个数为2,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将2个虚拟天线端口中的虚拟天线端口0通过权值[1,1,1,1]映射到所述2个天线模块中的第一天线模块的第一物理天线端口、所述第一天线模块的第四物理天线端口、所述2个天线模块中的第二天线模块的第一物理天线端口和所述第二天线模块的第三物 理天线端口,将2个虚拟天线端口中的虚拟天线端口1通过权值[-1,1,1,1]映射到所述2个天线模块中的第一天线模块的第二物理天线端口、所述第一天线模块的第三物理天线端口、所述2个天线模块中的第二天线模块的第二物理天线端口和所述第二天线模块的第四物理天线端口。
- 根据权利要求4所述的方法,其特征在于,所述天线系统包括2个天线模块,所述虚拟天线端口的个数为4,所述BBU根据所述天线系统的架构信息和BBU的虚拟天线端口将所述虚拟天线端口映射到所述天线系统中的物理天线端口,包括:所述BBU将4个虚拟天线端口中的虚拟天线端口0通过权值[1,1]映射到所述2个天线模块中的第一天线模块的第一物理天线端口和所述2个天线模块中的第二天线模块的第一物理天线端口,将4个虚拟天线端口中的虚拟天线端口1通过权值[1,1]映射到所述2个天线模块中的第一天线模块的第二物理天线端口和所述2个天线模块中的第二天线模块的第二物理天线端口,将4个虚拟天线端口中的虚拟天线端口2通过权值[1,1]映射到所述2个天线模块中的第一天线模块的第三物理天线端口和所述2个天线模块中的第二天线模块的第三物理天线端口,将4个虚拟天线端口中的虚拟天线端口3通过权值[1,1]映射到所述2个天线模块中的第一天线模块的第四物理天线端口和所述2个天线模块中的第二天线模块的第四物理天线端口。
- 根据权利要求3-5、7-8、10-11中的任一项所述的方法,其特征在于,当一个天线模块中的第一天线阵列产生的波束的垂直波瓣的下倾角与第二天线阵列产生的波束的垂直波瓣的下倾角相同时,所述方法还包括:所述BBU对该天线模块中的第一天线阵列产生的波束和第二天线阵列产生的波束进行相位差补偿。
- 根据权利要求12所述的方法,其特征在于,对该天线模块 中的第一天线阵列产生的波束和第二天线阵列产生的波束进行相位差补偿,包括:所述BBU设置该天线模块中的第一天线阵列产生的波束的相位和第二天线阵列产生的波束的相位,其中,该天线模块中的第一天线阵列产生的波束的相位比该天线模块中的第二天线阵列产生的波束的相位大360*sin((ET-1)*15/14.4/180*π)*330*Frq/300,其中,ET为该天线模块中的第一天线阵列和第二天线阵列产生的波束的垂直波瓣的下倾角,Frq为物理天线端口的发射信号的频率。
- 一种基带处理单元BBU,其特征在于,包括:处理器、存储器、总线和通信接口;所述存储器用于存储计算机执行指令,所述处理器与所述存储器通过所述总线连接,所述处理器通过执行所述存储器存储的所述计算机执行指令,以实现如权利要求3-13中任一项所述的方法。
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| US16/414,718 US20190273542A1 (en) | 2016-11-18 | 2019-05-16 | Antenna system, virtual antenna port mapping method, and apparatus |
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| KR102562821B1 (ko) * | 2018-10-19 | 2023-08-02 | 삼성전자주식회사 | 무선 신호를 수신 및 측정하기 위한 장치 및 방법 |
| CN114552214B (zh) | 2020-11-24 | 2024-12-27 | 华为技术有限公司 | 天线系统 |
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| CN102157791A (zh) * | 2010-12-29 | 2011-08-17 | 华为技术有限公司 | 宽频天线系统、基站和宽频天线下倾角的调整方法 |
| CN103138816A (zh) * | 2011-12-05 | 2013-06-05 | 上海贝尔股份有限公司 | 一种子阵列互补波束赋形的方法与设备 |
| CN103840261A (zh) * | 2014-03-07 | 2014-06-04 | 华为技术有限公司 | 天线装置和调整天线波束的方法 |
| CN103858359A (zh) * | 2013-12-27 | 2014-06-11 | 华为技术有限公司 | 一种天线阵列、信号映射的方法及基站 |
| CN104471868A (zh) * | 2014-06-09 | 2015-03-25 | 华为技术有限公司 | 天线端口映射方法及装置 |
| US20160149619A1 (en) * | 2014-11-11 | 2016-05-26 | Electronics And Telecommunications Research Institute | Method and apparatus for mapping virtual antenna to physical antenna |
| CN105991172A (zh) * | 2015-02-16 | 2016-10-05 | 富士通株式会社 | 天线阵列的虚拟化模型选择方法、装置以及通信系统 |
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| EP2082493A4 (en) * | 2006-11-14 | 2011-07-27 | Ericsson Telefon Ab L M | ANTENNA WITH ENHANCED RADIATION DIAGRAM |
| CN101355722B (zh) * | 2007-07-25 | 2012-02-08 | 中兴通讯股份有限公司 | 混合多模通信系统 |
| WO2012016941A1 (en) * | 2010-08-04 | 2012-02-09 | Nokia Siemens Networks Oy | Broadband antenna and radio base station system for processing at least two frequency bands or radio standards in a radio communications system |
| CN102347529A (zh) * | 2010-08-04 | 2012-02-08 | 诺基亚西门子通信公司 | 用于处理无线电通信系统中的至少两个频带或无线电标准的宽带天线和无线电基站系统 |
| WO2014178124A1 (ja) * | 2013-04-30 | 2014-11-06 | ソフトバンクBb株式会社 | 携帯無線基地局用交差偏波アンテナ装置と試験方法 |
| GB2538070A (en) * | 2015-05-04 | 2016-11-09 | Kathrein Werke Kg | Antenna system |
| CN105259544B (zh) * | 2015-10-31 | 2017-09-15 | 零八一电子集团有限公司 | 有源相控阵雷达t/r组件幅相测试系统 |
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- 2016-11-18 EP EP16921862.5A patent/EP3528342A4/en not_active Withdrawn
- 2016-11-18 JP JP2019526509A patent/JP2019536368A/ja not_active Withdrawn
- 2016-11-18 CN CN201680090955.8A patent/CN109964369A/zh active Pending
- 2016-11-18 KR KR1020197014979A patent/KR20190066074A/ko not_active Withdrawn
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| CN102157791A (zh) * | 2010-12-29 | 2011-08-17 | 华为技术有限公司 | 宽频天线系统、基站和宽频天线下倾角的调整方法 |
| CN103138816A (zh) * | 2011-12-05 | 2013-06-05 | 上海贝尔股份有限公司 | 一种子阵列互补波束赋形的方法与设备 |
| CN103858359A (zh) * | 2013-12-27 | 2014-06-11 | 华为技术有限公司 | 一种天线阵列、信号映射的方法及基站 |
| CN103840261A (zh) * | 2014-03-07 | 2014-06-04 | 华为技术有限公司 | 天线装置和调整天线波束的方法 |
| CN104471868A (zh) * | 2014-06-09 | 2015-03-25 | 华为技术有限公司 | 天线端口映射方法及装置 |
| US20160149619A1 (en) * | 2014-11-11 | 2016-05-26 | Electronics And Telecommunications Research Institute | Method and apparatus for mapping virtual antenna to physical antenna |
| CN105991172A (zh) * | 2015-02-16 | 2016-10-05 | 富士通株式会社 | 天线阵列的虚拟化模型选择方法、装置以及通信系统 |
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| WO2025241919A1 (zh) * | 2024-05-24 | 2025-11-27 | 华为技术有限公司 | 一种天线装置以及基站 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3528342A4 (en) | 2019-11-13 |
| KR20190066074A (ko) | 2019-06-12 |
| EP3528342A1 (en) | 2019-08-21 |
| JP2019536368A (ja) | 2019-12-12 |
| US20190273542A1 (en) | 2019-09-05 |
| CN109964369A (zh) | 2019-07-02 |
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