CN109168174A - A method of mobile terminal location is carried out using beam characteristics - Google Patents
A method of mobile terminal location is carried out using beam characteristics Download PDFInfo
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- CN109168174A CN109168174A CN201810868742.4A CN201810868742A CN109168174A CN 109168174 A CN109168174 A CN 109168174A CN 201810868742 A CN201810868742 A CN 201810868742A CN 109168174 A CN109168174 A CN 109168174A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous 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
- 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
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/08—Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
-
- 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
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to mobile communication fields, in particular to a kind of method for carrying out mobile terminal location using beam characteristics, the phased array antenna of base station periodically issues wave beam to different directions in the method, when mobile terminal is positioned, mobile terminal to search and the wave beam for receiving phased array antenna, and positioned according to wave beam, specifically include: base station calculates the actual measurement path loss between mobile terminal and phased array antenna；Base station calculates the distance between mobile terminal and phased array antenna according to actual measurement path loss；Base station combines actual measurement path loss and the distance between mobile terminal and phased array antenna, calculates location information of the mobile terminal with respect to phased array antenna；The present invention can be realized it is only necessary to an aerial array and position to mobile terminal, not need to carry out location information coordination between multiple base stations.
Description
Technical field
The present invention relates to mobile communication field, in particular to a kind of side that mobile terminal location is carried out using beam characteristics
Method.
Background technique
With the development of mobile communication technology, mobile communication terminal is widely used in people's daily life, mobile
The positioning method of terminal has very much, it is the most frequently used have the U.S. global positioning system (Global Positioning System,
GPS), Russian GLONASS satellite navigation system (GLOBAL NAVIGATION SATELLITE SYSTEM,
GLONASS), European GALILEO positioning system (Galileo satellite navigation system, GSNS), at present
There are also the Beidous (BeiDou Navigation Satellite System, BDS) of China.Satellite positioning mode starts mainly to use
In the military, also generally used civil at present, in mobile communication system, in order to accelerate mobile terminal to search speed and
Improve positioning accuracy, usually using assisted global satellite positioning tech (Assisted Global Positioning System,
AGPS).The use positioned by means of satellite is actually made although being able to solve the basic location requirement of people
With especially interior is in use, resulting in cannot using satellite positioning mode since mobile terminal can not receive satellite-signal
It uses.
Since satellite positioning method is not suitable for indoor positioning, so in mobile communication system it is also proposed that crossing solution party
Case, such as location based service system (Location Based Service, LBS), this is high to networking cost requirement,
There is no large-scale popularizations to use in actual life.Certainly during this, someone is it is also proposed that excessively a variety of use wireless mode
The method for carrying out mobile terminal location, but most basic principle be all using mobile terminal and multiple (at least three) base stations into
Row interaction, then determines the position of mobile terminal by the position and the distance between base station and mobile terminal of multiple base stations
It sets.Based on this principle, concrete application is not also obtained in practical projects.Main cause has the following:
First: mobile terminal needs to obtain the specific location of at least three base station, needs to expend a large amount of signal resource, special
It is not the location information that mobile terminal needs to obtain adjacent cell base station, mobile terminal needs and multiple base stations interact ability
It completes；
Second: mobile terminal needs to obtain the distance between mobile terminal and base station, and needs to obtain at least three base station
Distance could complete to position, bring very big difficulty to practical real use, increase the signaling between mobile terminal and base station
Load；
Third: if completing positioning of the base station to mobile terminal, need to carry out information reconciliation between multiple base stations
Can complete the positioning of mobile terminal, and mobile terminal selective positioning base station be it is unfixed, this adds increased between base station
Signalling.
Based on above-mentioned reason, the position of mobile terminal is determined using base station, has no idea to be promoted the use of.
Currently, in the terminal, the mode of cell localization is all used substantially, so in use, mobile terminal can only
Oneself general position range is obtained, positioning accuracy is mainly determined that serving cell covering radius is bigger by coverage radius of cell,
Then mobile terminal location is more inaccurate, and orientation range is from several hundred rice to upper kilometer etc..In short, mobile communication field does not have also at present
There is method to provide a kind of perfect solution indoor orientation method.
In 5G mobile communication system, due to the use of high band radio resource, so that extensive MIMO is used, become can
Can, determine that 5G makes in third generation partner program (3rd Generation Partnership Project, 3GPP) at present
With FR1 in frequency range (Frequency Range1) and FR2 (Frequency Range 2), the phase of extensive MIMO is all employed
Array antenna is controlled, so wave beam can be used to replace cell in 5G base station system.
Target object positioning is carried out using beam directional, is used widely in current phased-array radar,
But the wave beam that radar system mainly uses radar to send, after being fired back by target object, to determine target object side
Position.In phased array radar system, since target object cannot obtain radar key parameter, also exist without communication link, institute
It is the scanning beam for allowing to check radar emission with target object, can not determines the position of oneself.
With the development of mobile communication, in current 5G system, due to working frequency height, extensive MIMO has become 5G
One of essential technology, the phased-array technique of radar has also been transplanted in the base station antenna system of 5G, base station and mobile terminal it
Between there are communication links, the available mobile terminal partial information in base station, this provides condition to mobile terminal location for base station.
In the signal processing, radar solves the detecting and orientation problem of target object using array antenna, but is based on
Radar sends wave beam, then receives target object and emits signal, finally calculates azimuth of the target object relative to array antenna
And distance, but this method is not suitable for mobile terminal location.
Summary of the invention
In order to which the orientation problem that array antenna solves mobile terminal can be used, the present invention proposes a kind of using beam characteristics
The method for carrying out mobile terminal location, comprising:
S1, base station calculate the actual measurement path loss between mobile terminal and phased array antenna；
S2, base station calculate the distance between mobile terminal and phased array antenna according to actual measurement path loss；
S3, base station combine actual measurement path loss and the distance between mobile terminal and phased array antenna, calculate mobile whole
Hold the location information of opposite phased array antenna.
Preferably, timing such as Fig. 4 of the wireless path loss between mobile terminal and phased array antenna, the calculating movement are calculated
Wireless path loss between terminal and phased array antenna includes:
S11, base station scans, each wave beam for sending phased array antenna；
S12, mobile terminal to search, wave beam is received, measures each reception power for receiving wave beam and reporting base station；
The actual wireless path loss of S13, base station using the difference for sending power and receiving power of wave beam as the wave beam.
Preferably, timing flow chart such as Fig. 5, the step S2 of completion step S2 includes:
S21, mobile terminal records, base when receiving the wave beam from base station, base shifts to an earlier date Δ T when mobile terminal opposite beam
Uplink targeting signal is sent in specific random response channel；
S22, base station receive targeting signal, and measure the timing offset of targeting signal, and the time deviation is sent to
Mobile terminal；
When S23, mobile terminal calculate propagation of the wireless signal from mobile terminal to base station according to time deviation and Δ T
Prolong, and this time delay is fed back into base station；
S24, base station according to velocity of radio wave and time deviation calculate between base station and phased array antenna away from
From；
Wherein, Δ T is the constant being manually set.
Preferably, the distance between base station and phased array antenna r are indicated are as follows:
R=[(Δ T+offset_time) c]/2；
Wherein, offset_time indicates that the timing offset for the targeting signal that base station receives, c indicate radio propagation
Speed.
Preferably, process such as Fig. 6, the step S3 of completion step S3 includes:
S31, base station establish the directional diagram of each wave beam in array antenna；
S32, according to the distance between mobile terminal and phased array antenna and radio wave working frequency, calculate free sky
Between radio wave be lost；
If S33, mobile terminal receive two and more than two wave beams, step S34 is carried out, otherwise beam transmission direction
The position of mobile terminal is calculated with the distance between mobile terminal and phased array antenna；
S34, determinant between the free space radio radio wave loss and AML actual measured loss of each wave beam of antenna is established；
S35, go out mobile terminal according to determinant computation relative to the azimuth between aerial array；
S36, mobile terminal is obtained relative to antenna according to azimuth and the distance between mobile terminal and phased array antenna
The position coordinates of array.
Preferably, the directional diagram of wave beam indicates are as follows:
Wherein, phase difference of the α between adjacent two antenna, θ are the vertical angle of plane where mobile terminal and antenna, φ
For mobile terminal and aerial array horizontal sextant angle, λ is the carrier frequency of launching beam, and N indicates the number of beams that base station is sent.
Preferably, beam propagation loss and active loss Determinant Expressions are as follows:
Pathloss_i=Path_Loss*F (θi,φi,αi)；
Wherein, Pathloss_i indicates the actual test loss of i-th of wave beam, and Path_Loss indicates that wave beam is arrived in base station
Propagation loss between mobile terminal, F (θi,φi,αi) indicate i-th of wave beam directional diagram, θiIndicate movement when wave beam i
Terminal and antenna surface vertical angle, φiIndicate the mobile terminal and aerial array horizontal sextant angle when wave beam i, αiIndicate the i-th wave
Phase difference when beam between adjacent two antenna；Position is relatively fixed between terminal and aerial array, then different beams θiAnd φi
Between value it is identical, be denoted as θ and φ, αiIt is then antenna array beam scanning known parameters.When terminal receives multiple wave beams, then
The strongest Wave beam forming two dimension determinant of two signals is selected, θ and φ are calculated.
Mobile terminal is indicated relative to the position coordinates of aerial array are as follows:
Wherein, (UE_x, UE_y, UE_z) indicates position coordinates of the mobile terminal with respect to base station, (antenna_x,
Antenna_y, antenna_z) indicate base station position coordinates.
The present invention is exactly according in current 2G/3G/4G, and mobile terminal not can solve indoor orientation problem, according to the 5th
The characteristics of third-generation mobile communication (5G) system, proposes a kind of method for carrying out indoor positioning using 5G signal beam characteristic, this side
Method also can be applied to outdoor positioning；The present invention makes full use of the directionality of array antenna generation wave beam, and combining wireless signal exists
The loss characteristic in space provides a kind of azimuthal determining method of mobile terminal；And conventional localization method, generally using extremely
Lack three base stations to be positioned, and need to share location information between three base stations can just determine the position of terminal, so
Have higher requirements in the implementation to mobile network, although there is actual demand, also hardly result in popularization, and the present invention it is only necessary to
One aerial array can position mobile terminal, not need to carry out location information coordination between multiple base stations.
Detailed description of the invention
Fig. 1 is a kind of flow chart for the method that mobile terminal location is carried out using beam characteristics of the present invention；
Positional diagram of the Fig. 2 between inventive antenna array and mobile terminal；
Fig. 3 is the positional diagram in the embodiment of the present invention between antenna and mobile terminal；
Fig. 4 is the timing flow chart that base station of the present invention calculates path loss between mobile terminal and aerial array；
Timing flow chart of the Fig. 5 between base station of the present invention and mobile terminal apart from calculating process；
Fig. 6 is mobile terminal locations calculating process flow chart of the present invention.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, right below in conjunction with attached drawing
Technical solution in the embodiment of the present invention is clearly and completely described, and described embodiment is only that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not paying creativeness
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.
The present invention provides a kind of method for carrying out mobile terminal location using beam characteristics, such as Fig. 2, if in space coordinates
In, the aerial array of base station is the array of a N × M, and this array is located at the same face, such as the face xoy in Fig. 2, and every
Root antenna is parallel with z-axis, and the phased array antenna of base station periodically issues wave beam to different directions, when mobile terminal is determined
When position, mobile terminal to search and the wave beam for receiving phased array antenna, and positioned according to wave beam, such as Fig. 1 is specifically included:
S1, base station calculate the actual measurement path loss between mobile terminal and phased array antenna；
S2, base station calculate the distance between mobile terminal and phased array antenna according to actual measurement path loss；
S3, base station combine actual measurement path loss and the distance between mobile terminal and phased array antenna, calculate mobile whole
Hold the location information of opposite phased array antenna.
In order to illustrate application of the present invention in practical mobile communication system, the present invention is given at mobile terminal in 5G system
The specific implementation method positioned, it is assumed that there is N root antenna in base station in embodiments of the present invention, and base-station antenna array is linear
The relationship of array, aerial array and mobile terminal such as Fig. 3, three reference axis of x, y, z vertically form space coordinates, antenna two-by-two
Array is located on the face xoy of space coordinates, for more convenient description, enables aerial array in the x-axis of space coordinates, often
The distance between root antenna is d, and the vertical angle of plane is θ where mobile terminal and antenna, and mobile terminal and antenna surface are vertical
Angle is φ.
The calculating process of path loss between mobile terminal and antenna is being calculated as shown in figure 4, when mobile terminal starting position is fixed
When position, mobile terminal starts to search for synchronization signal/physical broadcast block (Synchronous signal/Physical
Broadcast signal block, SS/PBCH Block), and the transmission power for measuring SS/PBCH Block forms measurement column
Table；
If mobile terminal can receive the k SS/PBCH Block signal from same antenna array, record is connect respectively
SS/PBCH Block reception power (Synchronous signal/Reference Signal Receiving Power,
SS-RSRP), the power of received k-th of the SS/PBCH of mobile terminal is expressed as SS_RSRP_k, mobile terminal will measure
Each SS_RSRP is reported to base station, wherein k={ 1,2 ..., K }；
Base station is according to the reception power SS_RSRP_k of k-th of signal of mobile terminal reporting, SS/PBCH Block's
It sends in the measurement list of power and finds corresponding transmission power SS_PBCH_BlockPower_k, base station calculates each
The AML actual measured loss of the path loss of SS/PBCH Block, i.e., each wave beam is denoted as PathLoss_k, wherein PathLoss_k
It indicates are as follows:
PathLoss_k=SS_PBCH_BlockPower_k-SS_RSRP_k.
During calculating the distance between mobile terminal and antenna, such as Fig. 5, it is most strong that mobile terminal chooses received power value
SS/PBCH Block, in the corresponding Physical Random Access Channel of the SS/PBCH Block (Physical Random
Access Channel, PRACH) on send it is random leading, if mobile terminal shifts to an earlier date Δ T before specific PRACH sends uplink
Signal is led, accidental access response message (Random Access Response, RAR) is subsequently received；
Base station to mobile terminal sent on specific PRACH it is random it is leading detect, and the timing that will test is inclined
Poor offset_time is sent to mobile terminal by RAR, then the propagation delay time T between mobile terminal and antennadelayIt can indicate
For Tdelay=Δ T+offset_time；And by propagation delay time TdelayIt is sent to base station；
Base station is light velocity c, i.e. ten thousand kilometer per second of c=30 according to the speed that radio wave is propagated in the sky, then root
According to the radio wave transmissions delay between mobile terminal and antenna, the distance between mobile terminal and antenna are calculated, is expressed as
In 5G scale antenna, wave beam is to send phase by antenna to determine, it is known that x of the aerial array in space coordinates
On axis, the distance between every antenna is d, and the vertical angle of plane where mobile terminal and antenna is θ, mobile terminal and antenna
Face vertical angle is φ, and the directional diagram of aerial array indicates are as follows:
In 5G system, the loss that radio wave is propagated in the sky is expressed as:
Path_Loss=32.44+20lg (r)+20lg (frequency_ssb)；
Wherein, frequency_ssb is the tranmitting frequency for the SS/PBCH Block that antenna is sent；Each beam transmission
The loss that radio wave is propagated in the sky is identical.
It is passed in the sky according to the radio wave of the directional diagram of i-th SS/PBCH wave beam and i-th of SS/PBCH beam transmission
The loss broadcast can list i-th of beam propagation loss and active loss determinant, indicate are as follows:
Pathloss_i=Path_Loss*F (θi,φi,αi)；
Wherein, Path_Loss indicates the loss that the radio wave of the i-th beam transmission is propagated in the sky, Pathloss_i table
Show the loss that the radio wave of the i-th beam transmission with deflection is propagated in the sky.
In actual use, position is relatively fixed between terminal and aerial array, then different beams θiAnd φiBetween value
It is identical, it is denoted as θ and φ, αiIt is then i.e. retrievable known parameters in antenna array beam scanning process.Terminal receives multiple waves
When beam, then the strongest Wave beam forming two dimension determinant of two signals is selected, θ and φ are calculated；Selection signal strongest two
Wave beam is positioned, and since movement speed is slow indoors for mobile terminal, then in SSB measurement and parameter acquisition procedure
In, approximatively positional relationship between mobile terminal and antenna is considered as and is not changed, therefore enables the θ and φ of two wave beams that can be considered as
It is equal, α1And α2To indicate to know parameter are as follows:
Itself available position coordinates (antenna_x, antenna_y, antenna_z) of base station, according to above-mentioned
The θ and φ that determinant solves, available mobile terminal are indicated with respect to the position coordinates (UE_x, UE_y, UE_z) of base station are as follows:
The location information relative to base station of mobile terminal is sent to mobile terminal by base station, and mobile terminal is determined in completion
Position.
Embodiment provided above has carried out further detailed description, institute to the object, technical solutions and advantages of the present invention
It should be understood that embodiment provided above is only the preferred embodiment of the present invention, be not intended to limit the invention, it is all
Any modification, equivalent substitution, improvement and etc. made for the present invention, should be included in the present invention within the spirit and principles in the present invention
Protection scope within.
Claims (8)
1. a kind of method for carrying out mobile terminal location using beam characteristics, the phased array antenna of base station is periodically to different directions
Wave beam is issued, when mobile terminal is positioned, mobile terminal to search and the wave beam for receiving phased array antenna, and according to wave
Shu Jinhang positioning, which is characterized in that specifically include:
S1, base station calculate the actual measurement path loss between mobile terminal and phased array antenna；
S2, base station calculate the distance between mobile terminal and phased array antenna according to actual measurement path loss；
S3, base station combine actual measurement path loss and the distance between mobile terminal and phased array antenna, calculate mobile terminal phase
To the location information of phased array antenna.
2. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 1, which is characterized in that institute
Stating the wireless path loss that step S1 is calculated between mobile terminal and phased array antenna includes:
S11, base station scans and the wave beam for sending phased array antenna；
S12, mobile terminal to search, wave beam is received, measures each reception power for receiving wave beam and reporting base station；
S13, base station are according to the transmission power of wave beam and the wireless path loss of the reception power calculation wave beam.
3. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 1, which is characterized in that institute
Stating step S2 includes:
S21, mobile terminal records, base when receiving the wave beam from base station, base shifts to an earlier date Δ T in spy when mobile terminal opposite beam
Fixed random response channel sends uplink targeting signal；
S22, base station detect targeting signal, and calculate the timing offset of targeting signal, and the timing offset is sent to movement
Terminal；
S23, mobile terminal calculate propagation delay of the wireless signal from mobile terminal to base station according to time deviation and Δ T, and
This propagation delay is fed back into base station；
S24, base station calculate the distance between base station and phased array antenna according to velocity of radio wave and time deviation；
Wherein, Δ T is the constant being manually set.
4. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 3, which is characterized in that base
The distance between phased array antenna of standing r is indicated are as follows:
Tdelay=Δ T+offset_time；
Wherein, TdelayIndicate that the propagation delay of wireless signal, offset_time indicate the timing for the targeting signal that base station receives
Deviation, c indicate velocity of radio wave.
5. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 1, which is characterized in that institute
Stating step S3 includes:
S31, base station establish the directional diagram of each wave beam in array antenna；
S32, according to the distance between mobile terminal and phased array antenna and radio wave working frequency, calculate free space without
Line radio wave loss；
If S33, mobile terminal receive two and more than two wave beam, step S34 is carried out, otherwise using receiving wave beam
The direction of the launch and the distance between mobile terminal and phased array antenna r calculate the position of mobile terminal；
S34, determinant between the free space radio radio wave loss and AML actual measured loss of each wave beam of antenna is established；
S35, go out mobile terminal according to determinant computation relative to the azimuth between aerial array；
S36, mobile terminal is obtained relative to aerial array according to azimuth and the distance between mobile terminal and phased array antenna
Position coordinates.
6. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 5, which is characterized in that wave
The directional diagram of beam indicates are as follows:
Wherein, α indicates that the phase difference between adjacent two antenna, θ indicate the vertical angle of mobile terminal and antenna place plane, φ
Indicate that mobile terminal and aerial array horizontal sextant angle, λ are the carrier frequency of launching beam, N indicates the number of beams that base station is sent.
7. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 5, which is characterized in that institute
State beam propagation loss and active loss Determinant Expressions are as follows:
Pathloss_i=Path_Loss*F (θi,φi,αi)；
Wherein, Pathloss_i indicates the actual test loss of i-th of wave beam, and Path_Loss indicates wave beam in base station to movement
Propagation loss between terminal, F (θi,φi,αi) indicate i-th of wave beam directional diagram, θiIndicate mobile terminal when wave beam i
With antenna surface vertical angle, φiIndicate the mobile terminal and aerial array horizontal sextant angle when wave beam i, αiWhen indicating the i-th wave beam
Wait the phase difference between adjacent two antenna.
8. a kind of method for carrying out mobile terminal location using beam characteristics according to claim 5, which is characterized in that institute
State mobile terminal in step S35 indicates relative to the position coordinates of aerial array are as follows:
Wherein, θ indicates that mobile terminal and antenna surface vertical angle, φ indicate mobile terminal and aerial array horizontal sextant angle, (UE_
X, UE_y, UE_z) indicate position coordinates of the mobile terminal with respect to base station, (antenna_x, antenna_y, antenna_z) table
Show the position coordinates of base station.
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Cited By (8)
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| CN112004189A (en) * | 2020-08-27 | 2020-11-27 | 苏州智铸通信科技股份有限公司 | Method, device, storage medium and base station for positioning terminal equipment |
| WO2021047279A1 (en) * | 2019-09-09 | 2021-03-18 | Huawei Technologies Co., Ltd. | Systems and methods for configuring sensing signals in a wireless communication network |
| CN112864624A (en) * | 2020-12-30 | 2021-05-28 | 上海擎昆信息科技有限公司 | Method and device for adjusting and controlling received wave beam and terminal antenna system |
| CN113708808A (en) * | 2021-09-08 | 2021-11-26 | 中国铁道科学研究院集团有限公司 | Narrow beam channel measurement system and method in high-speed mobile scene |
| CN114080023A (en) * | 2020-08-21 | 2022-02-22 | Oppo（重庆）智能科技有限公司 | Positioning method, positioning system, terminal and readable storage medium |
| CN114222242A (en) * | 2021-11-08 | 2022-03-22 | 中国电子科技集团公司第五十四研究所 | Communication positioning integration method and system based on digital phased array system |
| CN114844581A (en) * | 2022-05-31 | 2022-08-02 | 中国联合网络通信集团有限公司 | Method and device for determining coverage effect of HAPS multi-panel phased array antenna |
| WO2024087611A1 (en) * | 2022-10-28 | 2024-05-02 | 上海移远通信技术股份有限公司 | Method for positioning, and terminal device and network device |
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