WO2017063132A1 - 多扇区mimo有源天线系统和通信设备 - Google Patents
多扇区mimo有源天线系统和通信设备 Download PDFInfo
- Publication number
- WO2017063132A1 WO2017063132A1 PCT/CN2015/091810 CN2015091810W WO2017063132A1 WO 2017063132 A1 WO2017063132 A1 WO 2017063132A1 CN 2015091810 W CN2015091810 W CN 2015091810W WO 2017063132 A1 WO2017063132 A1 WO 2017063132A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- polarization direction
- sector
- rcu
- mimo
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims abstract description 16
- 230000010287 polarization Effects 0.000 claims abstract description 135
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 17
- 239000011159 matrix material Substances 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- 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
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- 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
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
-
- 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
- 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
- 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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
- H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/30—Special cell shapes, e.g. doughnuts or ring cells
-
- 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
- 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
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—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 varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
-
- 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
- H04B7/0413—MIMO systems
Definitions
- Embodiments of the present invention relate to antenna technologies, and in particular, to a multi-sector MIMO active antenna system and a communication device.
- MIMO Multiple-Input Multiple-Output
- AAS Active Antenna System
- RRU Radio Radio Unit
- AAS is an important carrier of MIMO technology, and MIMO technology can be used to implement multi-level transmission on the base station side.
- MIMO technology can be simply considered to be that the higher the starting order (ie, the number of antenna ports), the higher the gain, but at the same time, the larger the starting order is, the corresponding terminal needs to support higher order receiving capability, and the more the terminal is required. high.
- the update of the terminal is phased.
- the existing large number of terminals do not support higher-order receiving capabilities, so the MIMO originating order of the base station side cannot be arbitrarily increased.
- Embodiments of the present invention provide a multi-sector MIMO active antenna system and a communication device, which are used to improve spectrum utilization and improve network capacity.
- the first aspect provides a multi-sector MIMO active antenna system, comprising:
- each column of dual-polarized antennas comprises a column of antenna elements of a first polarization direction and a column of antenna elements of a second polarization direction, said first polarization direction and said second polarization direction
- the antenna unit in the first polarization direction and the antenna unit in the second polarization direction respectively comprise M antenna elements, N is a natural number greater than or equal to 2, and M is a natural number greater than or equal to 2;
- the antenna unit in the first polarization direction and the antenna unit in the second polarization direction are respectively connected to one transceiver, and the antenna elements in the antenna unit in the first polarization direction are Set to a first antenna downtilt angle and serve the first sector, the antenna element in the antenna unit of the second polarization direction is set to a second antenna downtilt angle and serves the second sector, the first The antenna downtilt angle and the second antenna downtilt angle are different, such that the base station passes through the multi-sector MIMO active antenna system with the user equipment UE in the first sector and the UE in the second sector, respectively Perform MIMO transmission.
- the multi-sector MIMO active antenna system further includes a first RCU and a second RCU;
- the antenna unit in the first polarization direction is connected to the first RCU
- the antenna unit in the second polarization direction is connected to the second RCU
- the first RCU corresponds to a first antenna downtilt angle
- the second RCU corresponds to The second antenna is down.
- the first polarization direction is +45°
- the second polarization direction is - 45°
- the first sector has N first polarizations A beam of direction, the second sector having N beams of a second polarization direction.
- a second aspect provides a communication device, including: a multi-sector MIMO active antenna system and a BBU;
- the multi-sector MIMO active antenna system includes:
- each column of dual-polarized antennas comprises a column of antenna elements of a first polarization direction and a column of antenna elements of a second polarization direction, said first polarization direction and said second polarization direction
- the antenna unit in the first polarization direction and the antenna unit in the second polarization direction respectively comprise M antenna elements, N is a natural number greater than or equal to 2, and M is a natural number greater than or equal to 2;
- the antenna unit in the first polarization direction and the antenna unit in the second polarization direction are respectively connected to a transceiver, and the antenna element in the antenna unit in the first polarization direction Set to a first antenna downtilt angle and serve the first sector, the antenna element in the antenna unit in the second polarization direction is set to a second antenna downtilt angle and serves the second sector, the first An antenna downtilt angle is different from the second antenna downtilt angle;
- Each transceiver in the multi-sector MIMO active antenna system is connected to the BBU through an optical fiber;
- the BBU performs MIMO transmission with the user equipment UE in the first sector and the UE in the second sector by the multi-sector MIMO active antenna system, respectively.
- the multi-sector MIMO active antenna system further includes a first RCU and a second RCU;
- the antenna unit in the first polarization direction is connected to the first RCU
- the antenna unit in the second polarization direction is connected to the second RCU
- the first RCU corresponds to a first antenna downtilt angle
- the second RCU corresponds to The second antenna is down.
- the first polarization direction is +45°
- the second polarization direction is - 45°
- the first sector has N first polarizations A beam of direction, the second sector having N beams of a second polarization direction.
- the multi-sector MIMO active antenna system and the communication device provided in this embodiment are provided with N columns of dual-polarized antennas, wherein each column of dual-polarized antennas includes a column of antenna elements in a first polarization direction and a column of second polarization directions.
- the antenna unit, the antenna unit in the first polarization direction and the antenna unit in the second polarization direction respectively comprise M antenna elements, and the antenna elements and the second polarization in the first polarization direction of each column of the dual-polarized antenna
- the antenna units in the direction are respectively connected to a transceiver, the antenna unit in the first polarization direction corresponds to the vertical inclination of the first antenna and forms a first sector, and the antenna unit in the second polarization direction corresponds to the vertical inclination of the second antenna and forms a first Two sectors, through which the MIMO can be realized in two different polarization directions, thereby improving spectrum utilization efficiency and increasing network capacity.
- Embodiment 1 is a schematic structural diagram of Embodiment 1 of a multi-sector MIMO active antenna system according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of Embodiment 2 of a multi-sector MIMO active antenna system according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of Embodiment 1 of a communication device according to an embodiment of the present disclosure.
- the multi-sector technology is a technology that uses a multi-antenna array to split a plurality of antennas into a plurality of pieces to increase capacity without increasing bandwidth.
- Multi-sector technology is to split a sector corresponding to an original antenna beam into multiple beams.
- the current multi-sector technology is mainly divided into two types. One is to use the Butler matrix technology, and the N ⁇ N Butler matrix is used. The input signal is divided into N output ports, so that the antenna beam is split into N beams. However, when the Butler matrix is used for splitting, the angle between the N beams is fixed and cannot be adjusted.
- Another multi-sector technology is to weight the baseband signal in the digital domain to cause the antenna beam to split, but the interference between the cells after the splitting is large.
- the embodiment of the invention combines the characteristics of AAS and MIMO technology to propose a MIMO antenna system adopting a new multi-sector splitting method.
- FIG. 1 is a schematic structural diagram of Embodiment 1 of a multi-sector MIMO active antenna system according to an embodiment of the present invention.
- the multi-sector MIMO active antenna system of this embodiment includes:
- An antenna 10 composed of four columns of dual-polarized antennas, wherein each column of dual-polarized antennas 11 includes a column of antenna elements 12 of a first polarization direction and a column of antenna elements 13 of a second polarization direction, a first polarization direction and a second The direction of polarization is different.
- the first polarization direction and the second polarization direction are orthogonal, the first polarization direction is +45°, and the second polarization direction is -45°.
- the antenna unit 12 in the first polarization direction and the antenna unit 13 in the second polarization direction respectively include four antenna elements.
- the antenna unit 12 of the first polarization direction and the antenna unit 13 of the second polarization direction of each of the dual-polarized antennas 11 are respectively connected to a Transmitter and Receiver (TRX) 14, and the antenna of the first polarization direction
- TRX Transmitter and Receiver
- the four antenna elements in unit 12 are set to a first antenna downtilt angle and serve the first sector, and four of the antenna elements 13 in the second polarization direction are set to a second antenna downtilt angle.
- the first antenna downtilt angle and the second antenna downtilt angle refer to an angle between the radiated beam and the ground plane of each antenna array element in a direction perpendicular to the ground plane, and the first antenna downtilt angle Different from the second antenna downtilt angle, for example, the first antenna has a downtilt angle of 8° and the second antenna has a downtilt angle of 12°.
- the multi-sector MIMO active antenna system provided in this embodiment will include 8 Transceivers 14. Then, the multi-sector MIMO active antenna system provided in this embodiment can implement an 8-out 8-input (8T8R) antenna transceiving capability, wherein two sectors corresponding to different downtilt angles can respectively implement 4T4R antenna transceiving capability, that is, 4T4R. MIMO transceiver capability.
- 8T8R 8-out 8-input
- the antenna unit 12 in the first polarization direction corresponds to the first antenna downtilt angle
- the antenna unit 13 in the second polarization direction corresponds to the second antenna downtilt angle
- the first antenna downtilt angle and the second antenna The antenna has a different downtilt angle. That is, the antennas of the same polarization direction correspond to the same downtilt angle, and then for the entire multi-sector MIMO active antenna system, the first sector corresponding to the first antenna downtilt angle and the second sector corresponding to the second antenna downtilt angle are formed. Area.
- the second sector will cover the annular area located in the inner circle, and the first sector will be covered by the coverage The annular area of the outer ring.
- the four columns of dual-polarized antennas 11 are split into two inner and outer sectors in the vertical direction, and the inner-circle sector and the outer-circle sector respectively include four beams of the same polarization, and the inner-circle sectors The direction of polarization of the beam is different from that of the outer ring sector.
- the downlink can achieve 4 ⁇ 4 MIMO can also implement 4 ⁇ 2 MIMO.
- the entire multi-sector MIMO active antenna system can realize 4 ⁇ 4 MIMO or 4 ⁇ 2 MIMO of different polarization directions of the inner ring and the outer ring.
- the inner ring and the outer ring have different beam polarization directions, the inner ring and the outer ring do not interfere with each other, and the inner ring and the outer ring can be antennas of different polarization directions.
- the multi-sector MIMO active antenna system provided in this embodiment combines the sector splitting technology and the MIMO technology, and the spectrum resources are reused. At the same time, the beamforming technology improves the spectral efficiency of each split sector and increases the network capacity.
- each polarization direction whether a 4 ⁇ 4 MIMO antenna or a 4 ⁇ 2 MIMO antenna is specifically implemented depends on the terminal capability, and if the terminal supports 4 ⁇ 4 MIMO, each of the multi-sector MIMO active antenna systems will be implemented.
- the polarization direction is configured as 4 ⁇ 4 MIMO; if the terminal supports 4 ⁇ 2 MIMO, each polarization direction of the multi-sector MIMO active antenna system is configured as 4 ⁇ 2 MIMO.
- the present embodiment is a 4-column dual-polarized antenna 11 in which a column of antenna elements 12 of a first polarization direction and a column of antenna elements 13 of a second polarization direction of each column of dual-polarized antennas 11 are in a first polarization direction.
- the antenna unit 12 and the antenna unit 13 in the second polarization direction each include four antenna elements as an example, and the multi-sector MIMO active antenna system provided by the embodiment of the present invention is described.
- the multi-sector MIMO active antenna system provided by the embodiment of the present invention is not limited thereto.
- the active antenna system may include a number of dual-polarized antennas of N columns, antenna elements 12 and the first polarization direction.
- the antenna elements 13 in the polarization direction may respectively include M antenna elements, where N is a natural number greater than or equal to 2, and M is a natural number greater than or equal to 2.
- N is a natural number greater than or equal to 2
- M is a natural number greater than or equal to 2.
- N a natural number greater than or equal to 2
- 2N transceivers 14 will be included.
- MIMO of different polarization directions of inner and outer rings can be realized by the multi-sector MIMO active antenna system by using the above method.
- the multi-sector MIMO active antenna system provided in this embodiment is provided with N columns of dual-polarized antennas, wherein each column of dual-polarized antennas includes a column of antenna elements in a first polarization direction and a column of antenna elements in a second polarization direction.
- the antenna unit in the first polarization direction and the antenna unit in the second polarization direction respectively comprise M antenna elements, and the antenna unit in the first polarization direction and the antenna in the second polarization direction in each column of the dual polarization antenna
- the units are respectively connected to a transceiver, the antenna unit in the first polarization direction corresponds to the vertical inclination of the first antenna and forms a first sector, and the antenna unit in the second polarization direction corresponds to the vertical inclination of the second antenna and forms a second sector.
- the active antenna system also includes a first RCU 21 and a second RCU 22.
- the antenna unit 12 of the first polarization direction is connected to the first RCU, and the second polarization direction
- the antenna unit 13 is connected to the second RCU, the first RCU corresponds to the first antenna downtilt angle, and the second RCU corresponds to the second antenna downtilt angle.
- the first antenna downtilt angle and the second antenna downtilt angle can be adjusted by adjusting the first RCU and the second RCU.
- AAS dual-polarized antennas are realized by two sets of antenna elements with two polarization directions of +45° and -45°. Therefore, in the embodiment shown in Fig. 1, the first polarization direction is +45° and the second polarization direction is -45°.
- the multi-sector MIMO active antenna system of the embodiment shown in FIG. 1 is used as an example to implement 4 ⁇ 2 MIMO, and the beam generation mode of the multi-sector MIMO active antenna system provided by the embodiment of the present invention is described in detail.
- the 3rd Generation Partnership Project (3GPP) protocol specifies that 4 ⁇ 2 MIMO includes 16 Precoding Matrix Indications (PMIs). Corresponding to the 16 PMIs, the two inner and outer sectors of the multi-sector MIMO active antenna system shown in FIG. 1 respectively correspond to 16 sub-beams.
- PMIs Precoding Matrix Indications
- each signal X(i) transmitted to the terminal needs to be multiplied by a precoding matrix W(i), and the transmitted signal vector Y(i) of the precoded antenna ports 0 to P-1 is:
- X(i) is the initial transmit vector
- Y(i) is the precoded transmit vector
- the precoding matrix W(i) is derived from a precoded codebook
- P is the number of antenna ports (one antenna port can Simply understood as a polarization of each column of dual-polarized antennas. In this embodiment, there are 4 antenna ports for each sector inside and outside.
- 4 ⁇ 2 closed-loop MIMO has 16 PMIs, as shown in Table 1.
- u n is the generated precoding matrix
- I represents a 4 ⁇ 4 identity matrix
- H represents a conjugate transpose operation.
- the beamforming can be generated when the weight vector of the precoding matrix acts on the same-polarized antenna.
- each weight vector In the dual-polarized MIMO antenna without the multi-sector splitting method shown in Figure 1, four weights of each weight vector, two of which act on +45° polarization and two on -45 °Polarization, 16
- Each codebook has a maximum of eight possible weight combinations for each polarization, so it can only correspond to a maximum of eight beams.
- each sector is a 4*2 closed-loop MIMO formed by four columns of co-polarized antennas
- the four weights corresponding to each weight vector are simultaneously
- 16 codebooks that is, 16 weight combinations, correspond to 16 beams.
- the multi-sector MIMO active antenna system shown in FIG. 1 superimposes the vertical splitting multiplexed spectrum resource, the 4*2 MIMO beamforming, and the rich interference of the beam to the inner and outer ring overlap regions, and the performance is greatly improved.
- FIG. 3 is a schematic structural diagram of Embodiment 1 of a communication device according to an embodiment of the present invention.
- the communication device of this embodiment includes a multi-sector MIMO active antenna system 31 and a baseband unit (BBU). ) 32.
- BBU baseband unit
- the multi-sector MIMO active antenna system 31 includes a multi-sector MIMO active antenna system as shown in FIG. 1 or 2.
- the multi-sector MIMO active antenna system 31 is used to perform the processing of the multi-sector MIMO active antenna system shown in FIG. 1 or 2.
- Each of the transceivers in the multi-sector MIMO active antenna system 31 is connected to the BBU 32 via an optical fiber.
- the BBU 32 performs MIMO transmission by the multi-sector MIMO active antenna system 31 and the user equipment (User Equipment, UE) in the first sector served by the multi-sector MIMO active antenna system 31 and the UE in the first sector, respectively. .
- User Equipment User Equipment
- the multi-sector MIMO active antenna system 31 is a multi-sector MIMO active antenna system as shown in FIG. 1, and 4 ⁇ 2 MIMO is implemented as an example.
- the 16 PMIs for the MIMO transmission of the multi-sector MIMO active antenna system 31 are all stored in the BBU 32.
- the BBU 32 performs precoding processing on the signals to be transmitted, and obtains weights for MIMO transmission, using the respective rights.
- the value transmits the signal to be transmitted through each antenna of the multi-sector MIMO active antenna system 31, thereby realizing MIMO transmission.
- the MIMO active antenna system 31 forms MIMO in two different polarization directions
- the MIMO of the two different polarization directions does not interfere with each other, so the communication device provided in this embodiment improves the spectrum utilization efficiency and improves the efficiency. Network capacity.
Abstract
Description
Claims (8)
- 一种多扇区多输入多输出MIMO有源天线系统,其特征在于,包括:N列双极化天线,其中每列双极化天线包括一列第一极化方向的天线单元和一列第二极化方向的天线单元,所述第一极化方向和所述第二极化方向不同,所述第一极化方向的天线单元和所述第二极化方向的天线单元中分别包括M个天线阵元,N为大于等于2的自然数,M为大于等于2的自然数;在每列双极化天线中,第一极化方向的天线单元和第二极化方向的天线单元分别与一个收发信机连接,所述第一极化方向的天线单元中的天线阵元被设置为第一天线下倾角并服务于第一扇区,所述第二极化方向的天线单元中的天线阵元被设置为第二天线下倾角并服务于第二扇区,所述第一天线下倾角和所述第二天线下倾角不同。
- 根据权利要求1所述的多扇区MIMO有源天线系统,其特征在于,还包括第一电调单元RCU和第二RCU;所述第一极化方向的天线单元与第一RCU连接,所述第二极化方向的天线单元与第二RCU连接,所述第一RCU对应第一天线下倾角,所述第二RCU对应第二天线下倾角。
- 根据权利要求1或2所述的多扇区MIMO有源天线系统,其特征在于,所述第一极化方向为+45°,所述第二极化方向为-45°。
- 根据权利要求1~3任一项所述的多扇区MIMO有源天线系统,其特征在于,所述第一扇区具有N个第一极化方向的波束,所述第二扇区具有N个第二极化方向的波束。
- 一种通信设备,其特征在于,包括:多扇区多入多出MIMO有源天线系统和基带处理单元BBU;所述多扇区MIMO有源天线系统包括:N列双极化天线,其中每列双极化天线包括一列第一极化方向的天线单元和一列第二极化方向的天线单元,所述第一极化方向和所述第二极化方向不同,所述第一极化方向的天线单元和所述第二极化方向的天线单元中分别包括M个天线阵元,N为大于等于2的自然数,M为大于等于2的自然数;在每列双极化天线中,第一极化方向的天线单元和第二极化方向的天线单元分别与一个收发信机连接,所述第一极化方向的天线单元中的天线阵元 被设置为第一天线下倾角并服务于第一扇区,所述第二极化方向的天线单元中的天线阵元被设置为第二天线下倾角并服务于第二扇区,所述第一天线下倾角和所述第二天线下倾角不同;所述多扇区MIMO有源天线系统中的各收发信机通过光纤与所述BBU连接;所述BBU通过所述多扇区MIMO有源天线系统分别与所述第一扇区中的用户设备UE和所述第二扇区中的UE进行MIMO传输。
- 根据权利要求5所述的通信设备,其特征在于,所述多扇区MIMO有源天线系统还包括第一电调单元RCU和第二RCU;所述第一极化方向的天线单元与第一RCU连接,所述第二极化方向的天线单元与第二RCU连接,所述第一RCU对应第一天线下倾角,所述第二RCU对应第二天线下倾角。
- 根据权利要求5或6所述的通信设备,其特征在于,所述第一极化方向为+45°,所述第二极化方向为-45°。
- 根据权利要求5~7任一项所述的通信设备,其特征在于,所述第一扇区具有N个第一极化方向的波束,所述第二扇区具有N个第二极化方向的波束。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020187013169A KR102016000B1 (ko) | 2015-10-13 | 2015-10-13 | 다중 섹터 mimo 능동 안테나 시스템 및 통신 장치 |
EP15906017.7A EP3355410A4 (en) | 2015-10-13 | 2015-10-13 | Multi-sector mimo active antenna system and communication device |
JP2018519025A JP6504490B2 (ja) | 2015-10-13 | 2015-10-13 | マルチセクタmimoアクティブ・アンテナ・システムおよび通信デバイス |
CN201580001130.XA CN107078399B (zh) | 2015-10-13 | 2015-10-13 | 多扇区mimo有源天线系统和通信设备 |
PCT/CN2015/091810 WO2017063132A1 (zh) | 2015-10-13 | 2015-10-13 | 多扇区mimo有源天线系统和通信设备 |
US15/952,126 US20180233820A1 (en) | 2015-10-13 | 2018-04-12 | Multi-sector mimo active antenna system and communications device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/091810 WO2017063132A1 (zh) | 2015-10-13 | 2015-10-13 | 多扇区mimo有源天线系统和通信设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/952,126 Continuation US20180233820A1 (en) | 2015-10-13 | 2018-04-12 | Multi-sector mimo active antenna system and communications device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017063132A1 true WO2017063132A1 (zh) | 2017-04-20 |
Family
ID=58516981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2015/091810 WO2017063132A1 (zh) | 2015-10-13 | 2015-10-13 | 多扇区mimo有源天线系统和通信设备 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180233820A1 (zh) |
EP (1) | EP3355410A4 (zh) |
JP (1) | JP6504490B2 (zh) |
KR (1) | KR102016000B1 (zh) |
CN (1) | CN107078399B (zh) |
WO (1) | WO2017063132A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022062472A1 (zh) * | 2020-09-25 | 2022-03-31 | 广东省新一代通信与网络创新研究院 | 一种有源阵列天线及移动通信基站 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11018427B2 (en) * | 2018-08-03 | 2021-05-25 | Commscope Technologies Llc | Multiplexed antennas that sector-split in a first band and operate as MIMO antennas in a second band |
WO2020036807A1 (en) * | 2018-08-17 | 2020-02-20 | Blue Danube Systems, Inc. | Channel sounding in hybrid massive mimo arrays |
TWI679803B (zh) * | 2018-09-27 | 2019-12-11 | 啟碁科技股份有限公司 | 天線系統 |
TWI686997B (zh) * | 2018-09-27 | 2020-03-01 | 啟碁科技股份有限公司 | 天線系統 |
CN112153651B (zh) * | 2019-06-28 | 2023-06-16 | 大唐移动通信设备有限公司 | 一种基带板选择方法和装置 |
US20220102857A1 (en) * | 2020-09-29 | 2022-03-31 | T-Mobile Usa, Inc. | Multi-band millimeter wave (mmw) antenna arrays |
US20240089942A1 (en) * | 2021-01-07 | 2024-03-14 | Beijing Xiaomi Mobile Software Co., Ltd. | Beam scanning method and apparatus, communication device, and storage medium |
JP2024511432A (ja) * | 2021-03-26 | 2024-03-13 | ケーエムダブリュ・インコーポレーテッド | 4重偏波アンテナシステム |
CN116706567B (zh) * | 2023-08-01 | 2023-10-31 | 中国人民解放军国防科技大学 | 极化编码阵列天线 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101635391A (zh) * | 2008-07-24 | 2010-01-27 | 中兴通讯股份有限公司 | 支持mimo及智能天线技术的天线阵列 |
US20100227646A1 (en) * | 2009-03-03 | 2010-09-09 | Hitachi Cable, Ltd. | Mobile communication base station antenna |
CN103563170A (zh) * | 2011-03-25 | 2014-02-05 | 昆特尔科技有限公司 | 用于天线辐射交叉极化抑制的方法和装置 |
CN104143698A (zh) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | 多入多出天线装置 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5649287A (en) * | 1995-03-29 | 1997-07-15 | Telefonaktiebolaget Lm Ericsson | Orthogonalizing methods for antenna pattern nullfilling |
JPH09199938A (ja) * | 1996-01-19 | 1997-07-31 | Nippon Hoso Kyokai <Nhk> | 円偏波受信アンテナ装置 |
AU6113198A (en) * | 1997-03-03 | 1998-09-22 | Joseph Shapira | Method and system for improving communication |
US6243038B1 (en) * | 1998-12-17 | 2001-06-05 | Metawave Communications Corporation | System and method providing amplification of narrow band signals with multi-channel amplifiers |
SE521761C2 (sv) * | 2000-06-26 | 2003-12-02 | Ericsson Telefon Ab L M | Antennanordning och ett därtill relaterat förfarande |
EP1509969A4 (en) * | 2002-03-26 | 2005-08-31 | Andrew Corp | MULTI-BAND ADJUSTABLE BASE STATION ANTENNA WITH INCLINE BEAM AND DUAL POLARIZATION |
RU2346363C2 (ru) * | 2003-05-17 | 2009-02-10 | Квинтел Текнолоджи Лимитед | Система фазированной антенной решетки с регулируемым электрическим наклоном |
US7038621B2 (en) * | 2003-08-06 | 2006-05-02 | Kathrein-Werke Kg | Antenna arrangement with adjustable radiation pattern and method of operation |
US7245938B2 (en) * | 2003-10-17 | 2007-07-17 | Sobczak David M | Wireless antenna traffic matrix |
JP2005191715A (ja) * | 2003-12-24 | 2005-07-14 | Hitachi Cable Ltd | スロット給電型アンテナ |
US20050259005A1 (en) * | 2004-05-20 | 2005-11-24 | Interdigital Technology Corporation | Beam forming matrix-fed circular array system |
GB0426354D0 (en) * | 2004-12-01 | 2005-01-05 | Quintel Technology Ltd | Sectorisation of cellular radio |
JP4431893B2 (ja) * | 2005-09-08 | 2010-03-17 | 日立電線株式会社 | 水平偏波・垂直偏波ダイバーシティアンテナ |
GB0602530D0 (en) * | 2006-02-09 | 2006-03-22 | Quintel Technology Ltd | Phased array antenna system with multiple beams |
US7538740B2 (en) * | 2006-03-06 | 2009-05-26 | Alcatel-Lucent Usa Inc. | Multiple-element antenna array for communication network |
US8447292B2 (en) * | 2006-10-31 | 2013-05-21 | Gogo Llc | Multi-link aircraft cellular system for simultaneous communication with multiple terrestrial cell sites |
GB0622435D0 (en) * | 2006-11-10 | 2006-12-20 | Quintel Technology Ltd | Electrically tilted antenna system with polarisation diversity |
CN101663796B (zh) * | 2007-05-04 | 2012-12-05 | 艾利森电话股份有限公司 | 具有零点填充的双极化天线 |
US8988302B2 (en) * | 2009-03-23 | 2015-03-24 | Telefonaktiebolaget L M Ericsson (Publ) | Antenna arrangements |
US8737275B2 (en) * | 2009-06-01 | 2014-05-27 | Telefonaktiebolaget L M Ericsson (Publ) | Node in a wireless communication system with different antenna diversity methods for uplink and downlink |
BR112012009896A2 (pt) * | 2009-10-28 | 2016-11-29 | Ericsson Telefon Ab L M | método para gerar dois feixes, e, antena configurada para gerar dois feixes |
US8891647B2 (en) * | 2009-10-30 | 2014-11-18 | Futurewei Technologies, Inc. | System and method for user specific antenna down tilt in wireless cellular networks |
US9768494B2 (en) * | 2010-02-08 | 2017-09-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna with adjustable beam characteristics |
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 |
CN102377467B (zh) * | 2010-08-23 | 2015-02-04 | 中国移动通信集团公司 | 八天线下行控制信道发送方法及装置 |
CN102014395A (zh) * | 2010-11-24 | 2011-04-13 | 华为技术有限公司 | 一种扇区劈裂的实现方法及基站 |
KR20120086201A (ko) * | 2011-01-25 | 2012-08-02 | 한국전자통신연구원 | 복편파 안테나 및 이를 이용한 신호 송수신 방법 |
CN102273013A (zh) * | 2011-05-13 | 2011-12-07 | 华为技术有限公司 | 天线设备、基站系统和调整天线设备的方法 |
EP2820773B1 (en) * | 2012-03-02 | 2017-12-27 | Telefonaktiebolaget LM Ericsson (publ) | Radio base station and method therein for transforming a data transmission signal |
US9343808B2 (en) * | 2013-02-08 | 2016-05-17 | Magnotod Llc | Multi-beam MIMO time division duplex base station using subset of radios |
US20140301492A1 (en) * | 2013-03-08 | 2014-10-09 | Samsung Electronics Co., Ltd. | Precoding matrix codebook design for advanced wireless communications systems |
EP2975779B1 (en) * | 2013-03-11 | 2018-07-25 | LG Electronics Inc. | Method and apparatus for reporting channel state information in wireless communication system |
JP6062598B2 (ja) * | 2013-04-25 | 2017-01-18 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 高層建物カバレッジのためのノード |
GB2517217B (en) * | 2013-08-16 | 2018-03-21 | Analog Devices Global | Communication unit, integrated circuit and method for generating a plurality of sectored beams |
US10734733B2 (en) * | 2013-09-06 | 2020-08-04 | John Howard | Random, sequential, or simultaneous multi-beam circular antenna array and beam forming networks with up to 360° coverage |
-
2015
- 2015-10-13 KR KR1020187013169A patent/KR102016000B1/ko active IP Right Grant
- 2015-10-13 WO PCT/CN2015/091810 patent/WO2017063132A1/zh active Application Filing
- 2015-10-13 EP EP15906017.7A patent/EP3355410A4/en not_active Ceased
- 2015-10-13 JP JP2018519025A patent/JP6504490B2/ja active Active
- 2015-10-13 CN CN201580001130.XA patent/CN107078399B/zh active Active
-
2018
- 2018-04-12 US US15/952,126 patent/US20180233820A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101635391A (zh) * | 2008-07-24 | 2010-01-27 | 中兴通讯股份有限公司 | 支持mimo及智能天线技术的天线阵列 |
US20100227646A1 (en) * | 2009-03-03 | 2010-09-09 | Hitachi Cable, Ltd. | Mobile communication base station antenna |
CN103563170A (zh) * | 2011-03-25 | 2014-02-05 | 昆特尔科技有限公司 | 用于天线辐射交叉极化抑制的方法和装置 |
CN104143698A (zh) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | 多入多出天线装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3355410A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022062472A1 (zh) * | 2020-09-25 | 2022-03-31 | 广东省新一代通信与网络创新研究院 | 一种有源阵列天线及移动通信基站 |
Also Published As
Publication number | Publication date |
---|---|
EP3355410A4 (en) | 2018-10-17 |
CN107078399B (zh) | 2019-05-24 |
JP6504490B2 (ja) | 2019-04-24 |
JP2018536337A (ja) | 2018-12-06 |
KR20180056781A (ko) | 2018-05-29 |
CN107078399A (zh) | 2017-08-18 |
US20180233820A1 (en) | 2018-08-16 |
EP3355410A1 (en) | 2018-08-01 |
KR102016000B1 (ko) | 2019-08-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017063132A1 (zh) | 多扇区mimo有源天线系统和通信设备 | |
KR101999355B1 (ko) | 무선 통신 시스템에서 상향링크 데이터 전송 방법 및 이를 위한 장치 | |
KR101969701B1 (ko) | 앙각면 공간 빔포밍을 제공하기 위한 방법 및 장치 | |
US9059878B2 (en) | Codebook feedback method for per-user elevation beamforming | |
US8891647B2 (en) | System and method for user specific antenna down tilt in wireless cellular networks | |
US20180041264A1 (en) | Method and apparatus for reporting channel status information in wireless communication system | |
US8644764B2 (en) | Weighting matrix selection based on information acquired from remote station | |
US9590709B2 (en) | Methods, apparatuses, and computer-readable storage media for performing multidimensional beamforming | |
US10020866B2 (en) | Wireless communication node with adaptive communication | |
KR20170053637A (ko) | 안테나 매핑 및 서브샘플링 기반의 채널 상태 정보를 위한 방법 및 장치 | |
US20190173535A1 (en) | System and Method for Multi-User Multiple Input Multiple Output Communications | |
KR20150143413A (ko) | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 | |
WO2015067152A1 (zh) | 天线系统、天线和基站 | |
WO2018175738A1 (en) | Codebook implementation in a user equipment and base station system | |
US9258045B2 (en) | Method for efficiently transmitting signal in multi-antenna wireless communication system and apparatus for same | |
WO2019076363A1 (en) | METHOD AND NODES FOR TRANSMITTING DATA ON A DIRECT VISIBILITY CHANNEL | |
Pan et al. | Performance evaluation of 3D MIMO LTE-Advanced system | |
Blandino et al. | Multi-user frequency-selective hybrid MIMO demonstrated using 60 GHz RF modules | |
WO2014189206A1 (ko) | 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 장치 | |
WO2022141529A1 (zh) | 馈电网络、天线、天线系统、基站及波束赋形方法 | |
Esswie et al. | Directional spatial channel estimation for massive FD-MIMO in next generation 5G networks | |
US20220294496A1 (en) | Arrangement and method performed therein for handling communication | |
Zhang et al. | On Beam Aggregation in Millimeter-Wave System | |
WO2024079751A1 (en) | Method of communication with relay nodes and/or user equipment's and communication systems thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15906017 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2018519025 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2015906017 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20187013169 Country of ref document: KR Kind code of ref document: A |