CN108207026A - For determining the method and apparatus of the DOA information of service UE - Google Patents

For determining the method and apparatus of the DOA information of service UE Download PDF

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Publication number
CN108207026A
CN108207026A CN201611170641.7A CN201611170641A CN108207026A CN 108207026 A CN108207026 A CN 108207026A CN 201611170641 A CN201611170641 A CN 201611170641A CN 108207026 A CN108207026 A CN 108207026A
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China
Prior art keywords
doa
information
doa information
service
base station
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CN201611170641.7A
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Chinese (zh)
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CN108207026B (en
Inventor
吕星哉
赵松峄
张鹏杰
蒋智宁
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Nokia Shanghai Bell Co Ltd
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Nokia Shanghai Bell Co Ltd
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Priority to CN201611170641.7A priority Critical patent/CN108207026B/en
Priority to PCT/IB2017/001693 priority patent/WO2018109563A2/en
Publication of CN108207026A publication Critical patent/CN108207026A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0081—Transmission between base stations
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/74—Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

According to an aspect of the invention, there is provided it is a kind of for determining the method for the DOA information of service UE in a base station, it the described method comprises the following steps：Multiple candidate's DOA information from one or more adjacent base stations are received, wherein, which includes adjacent base station and carries out the DOA information that DOA is detected；Based on candidate's DOA information, determine to service the true DOA information of UE described in the DOA information detected by itself carrying out DOA.The present invention has the following advantages：Base station determines the true DOA of own services UE based on the DOA information from other adjacent base stations, so as to perform the transmission interference eliminated during beam shaping operation to other UE；Also, scheme computation complexity according to the present invention is relatively low, and the expense of interaction is smaller between base station.

Description

For determining the method and apparatus of the DOA information of service UE
Technical field
The present invention relates to field of computer technology more particularly to a kind of DOA information for determining service UE in a base station Method and apparatus.
Background technology
Multiple cell interference is to limit a key factor of throughput of wireless networks and capacity raising.In addition, either mould Intend beam shaping or digital beam excipient, be the key technology that signal strength is improved in 5G systems.So in multiple cell wave It is very promising to develop the next generation on the basis of beam excipient technology to may interfere with the wireless communication system avoided.
Based on the cooperative beam excipient of direction of arrival (Direction of the Angle, DOA), (Coordinated Beamforming, CBF) it is a kind of effective and low complexity for multiple cell interference solution.Base station is double using the time-division The heterogeneite of wireless channel in work system, obtains the characteristic of down channel.It can be from uplink detection reference signal (Sounding Reference Signal, SRS) DOA information is obtained, and eliminate the transmitting signal for being directed toward the direction accordingly, to eliminate to the UE Transmission interference.
Wireless environment be low or medium spatial dispersive environments in, the program can operate very well.Since DOA information becomes Change slowly, the program does not need to backhaul very powerful in being avoided as other interference, so as to be easy to dispose.And in destination service In cell, interference DOA information can easily be transformed to pre-coding matrix.
However, in order to obtain accurate DOA, there must be preferable angular resolution in base station side aerial array, such as Spacing between different antenna elements is 0.5 wavelength, can support the accurate sampling of spatial channel information.Unfortunately, it is this Ideal spacing is difficult to keep in reality scene, and since wavelength is related to carrier frequency, and same antenna system is new by deployment Or multiple carrier frequencies.For example, in current China Mobile network, typical and widespread deployment LTE TDD frequencies are 2.6GHz, respective antenna cell spacing are 0.65 wavelength.
Using the aerial array of 0.65 wavelength (λ) spacing, base station can not determine orientation by SRS signal, because of this space-time Between channel be lack sampling, false power peak is will appear in the angular distribution figure that receiving terminal is calculated.Fig. 1 is shown The beam angle distribution schematic diagram that is calculated of the spacing aerial array of 0.65 wavelength when wave beam arrival direction is 45 degree.
As can be seen that at minus 45 degree, there are one "false" peak values.In this case, base station can not determine the position of UE.Not yet Have an azimuth information, base station cannot using any effectively CBF methods based on DOA come eliminate to the transmission interference of other UE and from And improve handling capacity.
Invention content
The object of the present invention is to provide a kind of for determining the method and apparatus of the DOA information of service UE in a base station.
According to an aspect of the invention, there is provided it is a kind of for determining the method for the DOA information of service UE in a base station, Wherein, base station is detected to obtain the DOA information of service UE by carrying out DOA to service UE, and the DOA information includes the service The DOA information of UE and the DOA information of other UE, the described method comprises the following steps：
A receives multiple candidate's DOA information from one or more adjacent base stations, wherein, which includes phase Adjacent base station carries out the DOA information that DOA is detected；
B is based on candidate's DOA information, determines to service UE described in the DOA information detected by itself carrying out DOA True DOA information.
According to an aspect of the invention, there is provided a kind of orientation for the DOA information of determining service UE in a base station Determining device, wherein, the DOA information of service UE is detected to obtain in base station by carrying out DOA to service UE, in the DOA information The DOA information of DOA information and other UE including service UE, the orientation determining device include：
Reception device, for receiving multiple candidate's DOA information from one or more adjacent base stations, wherein, the candidate DOA information includes adjacent base station and carries out the DOA information that DOA is detected；
Determining device for being based on candidate's DOA information, determines the DOA information detected by itself carrying out DOA Described in service UE true DOA information.
Compared with prior art, the present invention has the following advantages：Base station based on the DOA information from other adjacent base stations come The true DOA of own services UE is determined, so as to perform the transmission interference eliminated during beam shaping operation to other UE；Also, Scheme computation complexity according to the present invention is relatively low, and the expense of interaction is smaller between base station.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the beam angle distribution schematic diagram of an illustrative receiving terminal aerial array；
Fig. 2 shows a kind of method flow diagrams for the DOA information of determining service UE in a base station according to the present invention；
Fig. 3 shows that a kind of orientation for the DOA information of determining service UE in a base station according to the present invention determines to fill The structure diagram put；
Fig. 4 a show one according to the present invention illustrative cooperative beam excipient scheme and real-time force zero cooperative beam The schematic diagram of the performance comparison of excipient scheme；
Fig. 4 b show one according to the present invention illustrative cooperative beam excipient scheme and no cooperative beam excipient side The schematic diagram of the performance comparison of case.
The same or similar reference numeral represents the same or similar component in attached drawing.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 2 shows a kind of method flow diagrams for the DOA information of determining service UE in a base station according to the present invention. Include step S1 and step S2 according to the method for the present invention.
With reference to Fig. 1, in step sl, orientation determining device receives multiple candidates from one or more adjacent base stations DOA information.
Wherein, base station is first passed through detects to obtain the DOA information of service UE, and the DOA believes to service UE progress DOA Breath includes the DOA information of service UE and the DOA information of other other UE.
Specifically, base station carries out DOA detections based on SRS signal.Wherein, a variety of algorithm for estimating can be used to determine in base station Service the DOA information of UE, such as MUSIC algorithms or ESPRIT algorithms etc..
Wherein, the candidate DOA information includes the DOA information that adjacent base station progress DOA is detected.
Then, in step s 2, orientation determining device is based on candidate's DOA information, determines to carry out DOA inspections by itself The true DOA information of UE is serviced described in the DOA information measured.
According to a preferred embodiment of the present invention, the method includes the steps S3 (not shown), the step S2 includes Step S201 (not shown).
In step s3, orientation determining device obtains the antenna array Information of one or more adjacent base stations, has carried out Storage.
Wherein, the antenna array is used to indicate the orientation of base-station antenna array to (boresight).
In step s 201, orientation determining device is for multiple candidate's DOA information from an adjacent base station, based on itself With the antenna array Information of the adjacent base station, determine to correspond respectively in the DOA information detected by itself carrying out DOA The DOA information of the service UE and other UE.
Specifically, base station based on by by each candidate DOA respectively with the antenna array of the adjacent base station to offset phase Add or subtract each other the DOA to calculate adjacent base station and service UE, if obtained a certain DOA and itself detected by DOA DOA matches, then is the true DOA for servicing UE with the candidate DOA DOA to match in the DOA detected by DOA.
First example according to the present invention, orientation determining device are contained in the node_1 of base station, base station node_1 and adjacent The interval of the aerial array of base station is 0.65 wavelength.Orientation determining device is received in step s3 from adjacent base station node_2's Antenna array Information, and store the antenna array Information boresight_node2 corresponding to base station node_2.
Also, orientation determining device carries out DOA detections based on SRS signal, obtain base station node_1 service UE (with Ue_1 represent) two DOA information DOA_1 and DOA_2.
Orientation determining device receive in step sl two candidate DOA information can_DOA1 from base station node_2 and can_DOA2.Then, orientation determining device in step s 201 by each candidate DOA respectively with the antenna array of the adjacent base station To offset addition or subtract each other calculate adjacent base station and service UE DOA, and determine based on the obtained DOA of can_DOA1 and base The node_1 that stands is matched by the DOA_2 that DOA is detected, then orientation determining device determines the true DOA that DOA_2 is ue_1.
Preferably, according to the method for the present invention including step S4 (not shown).
In step s 4, orientation determining device is based on the identified DOA for corresponding respectively to the service UE and other UE Information performs the operation of cooperative beam figuration, and cancels coffret corresponding with other UE, so as to eliminate the biography to other UE Defeated interference.
Specifically, orientation determining device can be used record wave beam azimuth information inquiry table, and will correspond to service UE and The DOA of other UE is as the corresponding beam shaping matrix in the orientation that attracts to obtain with service UE and other UE.For each DOA It is right, it can search for and design offline wave beam so that current service UE is to the interference-nulls of other UE after execution beam shaping operation.
Continue to illustrate foregoing First example, true DOA information DOA_2 of the orientation determining device based on ue_1 and its The DOA information DOA_1 of his UE performs the operation of cooperative beam figuration, and cancels the coffret of the UE corresponding to DOA_1 directions, from And eliminate the transmission interference to the UE.
Preferably, if there is other multiple UE, wherein one or more other UE may be selected in executive device；Then it is based on The DOA information of selected other UE of one or more performs the operation of cooperative beam figuration, with eliminate to the one or more its The transmission interference of his UE.
Wherein, orientation determining device can select to eliminate the transmission interference to which UE in several ways, for example, can be only Other most strong selection determining earliest other UE or selection signal power UE etc., those skilled in the art personnel can be based on Actual demand, and suitable mode is selected based on the tradeoff between performance and computation complexity.
Preferably, the method includes the steps S5 (not shown).
In step s 5, orientation determining device by self by carry out the DOA information that detects of DOA be sent to one or Multiple adjacent base stations, so that the adjacent base station determines the DOA information of its UE serviced.
According to the method for the present invention, base station determines own services UE's based on the DOA information from other adjacent base stations True DOA, so as to perform the interface for cancelling other UE during beam shaping operation, so as to eliminate the transmission interference to other UE； Also, computation complexity according to the method for the present invention is relatively low, and the expense of interaction is smaller between base station.
Fig. 3 shows that a kind of orientation for the DOA information of determining service UE in a base station according to the present invention determines to fill The structure diagram put.Orientation determining device according to the present invention includes reception device 1 and determining device 2.
With reference to Fig. 3, reception device 1 receives multiple candidate's DOA information from one or more adjacent base stations.
Wherein, base station is first passed through detects to obtain the DOA information of service UE, and the DOA believes to service UE progress DOA Breath includes the DOA information of service UE and the DOA information of other UE.
Specifically, base station carries out DOA detections based on SRS signal.Wherein, a variety of algorithm for estimating can be used to determine in base station Service the DOA information of UE, such as MUSIC algorithms or ESPRIT algorithms etc..
Wherein, the candidate DOA information includes the DOA information that adjacent base station progress DOA is detected.
It is then determined device 2 is based on candidate's DOA information, determine that the DOA detected by itself carrying out DOA believes The true DOA information of UE is serviced described in breath.
According to a preferred embodiment of the present invention, the orientation determining device includes acquisition device (not shown).
Acquisition device obtains the antenna array Information of one or more adjacent base stations, has been stored.
Wherein, the antenna array is used to indicate the orientation of base-station antenna array to (boresight).
Determining device 2 is for multiple candidate's DOA information from an adjacent base station, the day based on itself with the adjacent base station Linear array Information determines to correspond respectively to the service UE and other in the DOA information detected by itself carrying out DOA The DOA information of UE.
Specifically, it is determined that device 2 based on by by each candidate DOA respectively with the antenna array of the adjacent base station to it is inclined Phase shift adds or subtracts each other the DOA to calculate adjacent base station and service UE, if obtained a certain DOA by DOA with itself being detected To DOA match, then be service UE true with the candidate DOA DOA to match in the DOA detected by DOA DOA。
First example according to the present invention, orientation determining device are contained in the node_1 of base station, base station node_1 and adjacent The interval of the aerial array of base station is 0.65 wavelength.Acquisition device receives the antenna array from adjacent base station node_2 to letter Breath, to store the antenna array Information boresight_node2 corresponding to base station node_2.
Also, orientation determining device carries out DOA detections based on SRS signal, obtain base station node_1 service UE (with Ue_1 represent) two DOA information DOA_1 and DOA_2.
Reception device 1 receives two candidate's DOA information can_DOA1 and can_DOA2 from base station node_2.It connects , determining device 2 by each candidate DOA respectively with the antenna array of the adjacent base station to offset addition or subtract each other to calculate phase The DOA of adjacent base station and service UE, and determine what is detected based on the DOA that can_DOA1 is obtained and base station node_1 by DOA DOA_2 matches, then orientation determining device determines the true DOA that DOA_2 is ue_1.
Preferably, orientation determining device according to the present invention includes executive device (not shown).
Executive device performs cooperative beam based on the identified DOA information for corresponding respectively to the service UE and other UE Figuration operates, and eliminates the transmission interference to other UE.
Specifically, the inquiry table of record wave beam azimuth information can be used in executive device, and will correspond to service UE and other The DOA of UE is as the corresponding beam shaping matrix in the orientation that attracts to obtain with service UE and other UE.It, can for each DOA pairs It is offline to search for and design wave beam so as to perform after beam shaping operation current service UE to the interference-nulls of other UE.
Continue to illustrate foregoing First example, true DOA information DOA_2 of the orientation determining device based on ue_1 and its The DOA information DOA_1 of his UE performs the operation of cooperative beam figuration, and cancels the coffret of the UE corresponding to DOA_1 directions, from And eliminate the transmission interference to the UE.
Preferably, if there is other multiple UE, wherein one or more other UE may be selected in orientation determining device；Then DOA information based on selected other UE of one or more performs the operation of cooperative beam figuration, to eliminate to this or more The transmission interference of other a UE.
Wherein, orientation determining device can select to eliminate the transmission interference to which UE in several ways, for example, can be only Other most strong selection determining earliest other UE or selection signal power UE etc., those skilled in the art personnel can be based on Actual demand, and suitable mode is selected based on the tradeoff between performance and computation complexity.
Preferably, the orientation determining device includes sending device (not shown).
The DOA information detected self by progress DOA is sent to one or more adjacent base stations by sending device, with The DOA information of its UE serviced is determined for the adjacent base station.
Scheme according to the present invention, base station determine own services UE's based on the DOA information from other adjacent base stations True DOA, so as to perform the transmission interference eliminated during beam shaping operation to other UE；Also, scheme according to the present invention Computation complexity it is relatively low, between base station interaction expense it is smaller.
Fig. 4 a show one according to the present invention illustrative cooperative beam excipient scheme and real-time force zero cooperative beam The schematic diagram of the performance comparison of excipient scheme.
Fig. 4 b show one according to the present invention illustrative cooperative beam excipient scheme and no cooperative beam excipient side The schematic diagram of the performance comparison of case.
Wherein, the emulation data that the emulation experiment shown in Fig. 4 a Fig. 4 b is obtained using scheduled parameter.Wherein, flow mould Type is full buffer models, it means that network is full load.
The process of cooperative beam excipient can be used obtains code book offline based on zero forcing algorithm.Code book generates in this way：It is first First, one wave beam of generation is from 60 degree to 60 degree and granularity is 10 degree of grid grid A；Then, generation be respectively directed to two it is adjacent Base station has two net grid B and grid C of same particle sizes, wherein, the wave beam of grid B is from -120 degree to -60 degree, grid The wave beam of C is from 60 degree to 180 degree；Then, CBF weights are generated using zero forcing algorithm, the wave beam in grid A represents service UE Orientation, the wave beam in grid B or grid C represented by the orientation of other UE of service UE interference.
Wherein, can the direction vector of wave beam be calculated based on the following formula (1)：
Wherein, d represents the interval of antenna element, and λ represents the wavelength of operational carrier frequency, and θ represents the orientation of radio wave.
Wherein, the beam set of grid A is represented by：A={ e (θ) }, θ=- 60, -50 ..., 60, the wave of grid B Constriction conjunction is represented by:B={ e (φ) }, φ=- 120, the beam set of -110 ..., -50, grid C are represented by：C= { e (φ) }, φ=70,80 ..., 120.
For each θ from the grid A and φ from grid B and grid C, following matrix can obtain：
Q (θ, φ)=[a (θ), a (φ)]T
And then, it obtains：
P (θ, φ)=QH(θ,φ)(Q(θ,φ)QH(θ,φ))-1=[ω 1 (θ, φ), ω 2 (θ, φ)] (2)
Wherein, P (θ, φ) represents the beam shaping vector of the service UE positioned at orientation θ, and ω 1 (θ, φ) represents to be located at orientation The beam shaping vector of other UE of φ.Also, []TIt is that transposition operates, []HIt is Hermitian operation.The vector is included in code book. When base station needs servicing the UE positioned at orientation θ and when eliminating to the transmission interference of other UE for being located at φ, can be used and make It is applied to data transmission for search index so as to obtain corresponding beam shaping vector.
With reference to Fig. 4 a, handle up for cell aggregation handling capacity (Cell Aggregated Throughput) and cell edge It measures (Cell Edge Throughput), with realizing cooperative beam excipient vector (Real- by ideal zero forcing algorithm in real time Time based ZF CBF) scheme compare, the cooperative beam excipient scheme (DOA based on DOA that this programme is proposed Based CBF) it can realize similar performance, and complexity and the expense of interaction are then much lower.
With reference to Fig. 4 b, it can be seen that in the network of full load, with no cooperative beam excipient scheme (No CBF case) It compares, in the case of the cell aggregation handling capacity for keeping same level, the cooperative beam proposed by the invention based on DOA is assigned Type scheme can obtain about 17% cell edge throughput gain.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation includes within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.This Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in system claims is multiple Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade words are used for table Show title, and do not represent any particular order.

Claims (10)

1. it is a kind of for determining the method for the DOA information of service UE in a base station, wherein, base station to service UE by carrying out DOA Detection obtains the DOA information of service UE, and the DOA information includes the DOA information of service UE and the DOA of other UE believes Breath, the described method comprises the following steps：
A receives multiple candidate's DOA information from one or more adjacent base stations, wherein, which includes adjacent base It stands and carries out the DOA information that DOA is detected；
B is based on candidate's DOA information, determines that service UE's described in the DOA information detected by itself carrying out DOA is true Real DOA information.
2. it according to the method described in claim 1, wherein, the described method comprises the following steps：
The antenna array Information of one or more adjacent base stations is obtained, has been stored.
Wherein, the step b includes the following steps：
For multiple candidate's DOA information from an adjacent base station, antenna array based on itself with the adjacent base station is to letter Breath determines that the DOA that the service UE and other UE is corresponded respectively in the DOA information detected by itself carrying out DOA believes Breath.
3. method according to claim 1 or 2, wherein, it the described method comprises the following steps：
M performs the operation of cooperative beam figuration based on the identified DOA information for corresponding respectively to the service UE and other UE, and Cancel coffret corresponding with other UE, so as to eliminate the transmission interference to other UE.
4. according to the method described in claim 3, wherein, the step m includes the following steps：
If there is other multiple UE, wherein one or more other UE are selected；
DOA information based on selected other UE of one or more performs the operation of cooperative beam figuration, so as to eliminate to this one The transmission interference of other a or multiple UE.
5. method according to any one of claim 1 to 4, wherein, it the described method comprises the following steps：
The DOA information detected self by progress DOA is sent to one or more adjacent base stations, for the adjacent base It stands and determines the DOA information of its UE serviced.
6. it is a kind of for determining the orientation determining device of the DOA information of service UE in a base station, wherein, base station passes through to servicing UE It carries out DOA to detect to obtain the DOA information of service UE, the DOA information includes the DOA information of service UE with other UE's DOA information, the orientation determining device include：
Reception device, for receiving multiple candidate's DOA information from one or more adjacent base stations, wherein, candidate DOA letters Breath includes adjacent base station and carries out the DOA information that DOA is detected；
Determining device for being based on candidate's DOA information, determines institute in the DOA information detected by itself carrying out DOA State the true DOA information of service UE.
7. orientation determining device according to claim 6, wherein, the orientation determining device includes：
Acquisition device for obtaining the antenna array Information of one or more adjacent base stations, has been stored.
Wherein, the determining device is used for：
For multiple candidate's DOA information from an adjacent base station, antenna array based on itself with the adjacent base station is to letter Breath determines that the DOA that the service UE and other UE is corresponded respectively in the DOA information detected by itself carrying out DOA believes Breath.
8. the orientation determining device described according to claim 6 or 7, wherein, the orientation determining device includes：
Executive device, for performing cooperation wave based on the identified DOA information for corresponding respectively to the service UE and other UE Beam figuration operates, and cancels coffret corresponding with other UE, so as to eliminate the transmission interference to other UE.
9. orientation determining device according to claim 8, wherein, the executive device is used for：
If there is other multiple UE, wherein one or more other UE are selected；
DOA information based on selected other UE of one or more performs the operation of cooperative beam figuration, so as to eliminate to this one The transmission interference of other a or multiple UE.
10. the orientation determining device according to any one of claim 6 to 9, wherein, the orientation determining device includes：
Sending device, for the DOA information detected self by progress DOA to be sent to one or more adjacent base stations, So that the adjacent base station determines the DOA information of its UE serviced.
CN201611170641.7A 2016-12-16 2016-12-16 Method and apparatus for determining DOA information of serving UE Active CN108207026B (en)

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Application Number Priority Date Filing Date Title
CN201611170641.7A CN108207026B (en) 2016-12-16 2016-12-16 Method and apparatus for determining DOA information of serving UE
PCT/IB2017/001693 WO2018109563A2 (en) 2016-12-16 2017-12-18 Method and device for determining doa information of serving ue

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931446A (en) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 Inter-cell interference suppression method and base station
CN102281543A (en) * 2010-06-08 2011-12-14 鼎桥通信技术有限公司 interference processing method, wireless network controller and communication system
CN102545981A (en) * 2010-12-20 2012-07-04 上海贝尔股份有限公司 Method and device for beamforming in wireless communication system based on direction of arrival (DOA)
US20120258729A1 (en) * 2011-01-13 2012-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced Angle-of-Arrival Positioning
CN102742312A (en) * 2010-02-11 2012-10-17 瑞典爱立信有限公司 Method and arrangement in a wireless communication system
WO2016145916A1 (en) * 2015-03-19 2016-09-22 中兴通讯股份有限公司 Method and device for estimating direction of arrival beam forming weight

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60209051T2 (en) * 2001-04-20 2006-10-26 Lg Electronics Inc. Location determination of a mobile communication terminal based on a combination of measurements of signals exchanged between the mobile communication terminal and base stations
KR102109655B1 (en) * 2012-02-23 2020-05-12 한국전자통신연구원 Method for multi-input multi-output communication in a large-scale antenna system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931446A (en) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 Inter-cell interference suppression method and base station
CN102742312A (en) * 2010-02-11 2012-10-17 瑞典爱立信有限公司 Method and arrangement in a wireless communication system
CN102281543A (en) * 2010-06-08 2011-12-14 鼎桥通信技术有限公司 interference processing method, wireless network controller and communication system
CN102545981A (en) * 2010-12-20 2012-07-04 上海贝尔股份有限公司 Method and device for beamforming in wireless communication system based on direction of arrival (DOA)
US20120258729A1 (en) * 2011-01-13 2012-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced Angle-of-Arrival Positioning
WO2016145916A1 (en) * 2015-03-19 2016-09-22 中兴通讯股份有限公司 Method and device for estimating direction of arrival beam forming weight

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