CN108271247A - The localization method and device of a kind of multimode terminal - Google Patents
The localization method and device of a kind of multimode terminal Download PDFInfo
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- CN108271247A CN108271247A CN201710001790.9A CN201710001790A CN108271247A CN 108271247 A CN108271247 A CN 108271247A CN 201710001790 A CN201710001790 A CN 201710001790A CN 108271247 A CN108271247 A CN 108271247A
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- base station
- multimode terminal
- distance
- signal strength
- strength values
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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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The present invention provides a kind of localization method and device of multimode terminal, and this method includes：Receive the first signal strength values of first base station, the second signal intensity value of the second base station and the third signal strength values of third base station that multimode terminal measurement reports；Obtain first position information, the second position information of the second base station and the third place information of third base station of first base station；According to the first signal strength values, second signal intensity value and third signal strength values, the third distance between second distance and third base station and the multimode terminal between the first distance between first base station and multimode terminal, the second base station and multimode terminal is determined respectively；According to first position information, second position information, the third place information, the first distance, second distance and third distance, the location information of multimode terminal is determined；The embodiment of the present invention improves positioning accuracy using the positioning of the second network mode auxiliary multimode terminal.
Description
Technical field
The present invention relates to fields of communication technology, particularly relate to the localization method and device of a kind of multimode terminal.
Background technology
Current most common localization method is the localization method using global position system GPS, but this method requirement is necessary
Position where terminal will have a certain range headroom, and guarantee at least searches out 4 satellites, just can guarantee and positioned, but to Internet of Things
Network termination needs low cost and low-power consumption, if terminal is wanted to increase GPS module, cost can be brought to increase, GPS module can also generate
New power consumption.If terminal, which is in have day in vain, blocks region, lead to not position because can not receive 4 satellites.
In addition wireless network is based on TOA (Time of Arrival, arrival time) or OTDA (Observed Time
Difference of Arrival observe reaching time-difference) localization method, but this method needs the base of wireless network
It stands and supports corresponding function, and terminal is needed to initiate some measurement data to network, this bottom that can promote wireless network is made an uproar.Network
When there is TOA (Time of Arrival, arrival time) in side, at the same be also all by three base station location localization methods, according to
After the time Ti (i=1,2,3) that transmission needs is calculated in TOA electric wave arrival times, terminal device and base are obtained according to Ti*c
Stand the distance between i Ri, then establishes equation group according to geometrical relationship and solves, so as to acquire terminal location coordinate value.
In addition, common localization method is based on cell ID, the position coordinates of each cell are clear and definite, and radius of society also has
A certain range, it is possible to by cell ID modes, obtain the not high location information of precision, this method is relatively easy easy, full
The foot application demand not high to required precision.But for honeycomb Internet of Things since the covering radius of cell is very big, thus it is single from
The precision that place honeycomb Internet of Things cell ID is obtained, it is difficult to meet the needs of application to be.
To sum up, how the basic communication ability based on terminal, provide can meet business to general precision requirement, be current
Positioning faces main problem, especially to there is low cost to require Internet of Things field.
Invention content
The purpose of the present invention is to provide the localization method and device of a kind of multimode terminal, solve in the prior art only according to
During by honeycomb Internet of Things cell ID positioning terminal, precision is too low and the problem of can not meeting application demand.
In order to achieve the above object, the embodiment of the present invention provides a kind of localization method of multimode terminal, the multimode terminal
At least support first network pattern and the second network mode, the serving BS of the multimode terminal is the first of first network pattern
Base station, and including at least the second base station of the second network mode and second network mode in the adjacent base station of the multimode terminal
Third base station, the method includes：
Receive multimode terminal measurement report the first signal strength values of first base station, the second base station second signal intensity
Value and the third signal strength values of third base station；
Obtain first position information, the second position information of the second base station and the third position of third base station of first base station
Confidence ceases；
According to the first signal strength values, second signal intensity value and third signal strength values, first base station is determined respectively
The first distance, the second distance between the second base station and multimode terminal and third base station and multimode end between multimode terminal
Third distance between end；
According to the first position information, second position information, the third place information, first distance, second distance and
Third distance determines the location information of multimode terminal.
Wherein, first position information, the second position information of the second base station and the third base for obtaining first base station
The step of the third place information stood, including：
Receive the first identity of the first base station that the multimode terminal reports, the second identity of the second base station with
And the tiers e'tat mark of third base station；
From the mapping table of the position of the identity and base station of base station, obtain corresponding with first identity
First position information, the second position corresponding with the second identity information and third position corresponding with tiers e'tat mark
Confidence ceases.
Wherein, it is described according to the first signal strength values, second signal intensity value and third signal strength values, it determines respectively
The first distance, the second distance between the second base station and multimode terminal and third base station between first base station and multimode terminal
Third between multimode terminal apart from the step of, including：
First signal strength values, second signal intensity value and third signal strength values are substituted into default path loss formula respectively
In, the first distance between first base station and multimode terminal, the second distance between the second base station and multimode terminal are determined respectively
And the third distance between third base station and multimode terminal.
Wherein, the determining step of the default path loss formula, including：
Formula P is lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Loss-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss is whole with multimode for base station
The sum of wired path loss between end；The sum of the gains of Gain between base station and multimode terminal；LPdownFor base station and multimode terminal
Between downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Loss is base station
Obstacle shadow loss between multimode terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance for base station with it is more
The distance between mould terminal；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measurement reports.
Wherein, it is described according to the first position information, second position information, the third place information, the first distance, second
Distance and third distance, the step of determining the location information of multimode terminal, including：
According to first position information, second position information, the third place information, the first distance, second distance and third
Geometric distance relationship between distance builds equation group, calculates the location information for determining multimode terminal.
Wherein, it is described receive that multimode terminal measurement reports the of the first signal strength values of first base station, the second base station
The step of binary signal intensity value and the third signal strength values of third base station, including：
The triggering command of trigger position positioning is sent to multimode terminal；
Receive the first signal strength values of first base station, that the multimode terminal reports according to the triggering command measurement
The second signal intensity value of two base stations and the third signal strength values of third base station.
Wherein, it is described receive that multimode terminal measurement reports the of the first signal strength values of first base station, the second base station
The step of binary signal intensity value and the third signal strength values of third base station, including：
The serving BS of multimode terminal is received when changing, the multimode terminal actively measures the first base station that reports
The third signal strength values of first signal strength values, the second signal intensity value of the second base station and third base station.
The embodiment of the present invention also provides a kind of positioning device of multimode terminal, and the multimode terminal at least supports first network
Pattern and the second network mode, the serving BS of the multimode terminal are the first base station of first network pattern, and the multimode
Including at least the second base station of the second network mode and the third base station of the second network mode, the side in the adjacent base station of terminal
Method includes：
Receiving module, for receiving the first signal strength values of the first base station that multimode terminal measurement reports, the second base station
Second signal intensity value and third base station third signal strength values；
Acquisition module, for obtaining the second position information of the first position information of first base station, the second base station and
The third place information of three base stations；
Apart from determining module, for according to the first signal strength values, second signal intensity value and third signal strength values,
Determine respectively the first distance between first base station and multimode terminal, the second distance between the second base station and multimode terminal and
Third distance between third base station and multimode terminal；
Position determination module, for according to the first position information, second position information, the third place information, first
Distance, second distance and third distance determine the location information of multimode terminal.
Wherein, the acquisition module includes：
Identity submodule, for receiving the first identity of the first base station that the multimode terminal reports, second
Second identity of base station and the tiers e'tat mark of third base station；
Acquisition submodule, for from the mapping table of the position of the identity and base station of base station, obtain with it is described
The corresponding first position information of first identity, the second position corresponding with the second identity information and and tiers e'tat
Identify corresponding the third place information.
Wherein, it is described to include apart from determining module：
Apart from determination sub-module, for by the first signal strength values, second signal intensity value and third signal strength values
Substitute into respectively in default path loss formula, determine respectively the first distance between first base station and multimode terminal, the second base station with it is more
The third distance between second distance and third base station and multimode terminal between mould terminal.
Wherein, described device further includes：
Formula determining module, for formula P to be lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Loss-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss is whole with multimode for base station
The sum of wired path loss between end；The sum of the gains of Gain between base station and multimode terminal；LPdownFor base station and multimode terminal
Between downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Loss is base station
Obstacle shadow loss between multimode terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance for base station with it is more
The distance between mould terminal；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measurement reports.
Wherein, the position determination module includes：
Location determination submodule, for according to first position information, second position information, the third place information, first away from
Geometric distance relationship between with a distance from, second distance and third, builds equation group, calculates the position letter for determining multimode terminal
Breath.
Wherein, the receiving module includes：
Sending submodule is instructed, for sending the triggering command of trigger position positioning to multimode terminal；
First receiving submodule, for receiving the first base station that the multimode terminal is reported according to the triggering command measurement
The first signal strength values, the second signal intensity value of the second base station and the third signal strength values of third base station.
Wherein, the receiving module includes：
Second receiving submodule, when the serving BS for receiving multimode terminal changes, the multimode terminal is actively
Measure the first signal strength values of first base station, the second signal intensity value of the second base station and the third of third base station reported
Signal strength values.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In the localization method and device of the multimode terminal of the embodiment of the present invention, multimode terminal measures the second network mode extremely
Signal strength values of serving BS that the signal strength values and multimode terminal of few two base stations are resident simultaneously report, then network side
Location-server estimates terminal and the distance of each base station according to air interface transmission model, and corresponding base is searched further according to Base Station Identification
Station location establishes the position that equation group calculates multimode terminal；Using the positioning of the second network mode auxiliary multimode terminal, improve
Positioning accuracy.
Description of the drawings
Fig. 1 shows the step flow charts of the localization method of multimode terminal that the first embodiment of the present invention provides；
Fig. 2 represents the structure diagram of the positioning device for the multimode terminal that the second embodiment of the present invention provides.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
First embodiment
As shown in Figure 1, the first embodiment of the present invention provides a kind of localization method of multimode terminal, the multimode terminal is extremely
First network pattern and the second network mode are supported less, and the serving BS of the multimode terminal is the first base of first network pattern
It stands, and including at least the of the second base station of the second network mode and the second network mode in the adjacent base station of the multimode terminal
Three base stations, the method includes：
Step 11, receive multimode terminal measurement report the first signal strength values of first base station, the second base station second
Signal strength values and the third signal strength values of third base station；
Step 12, the first position information of first base station, the second position information of the second base station and third base station are obtained
The third place information；
Step 13, according to the first signal strength values, second signal intensity value and third signal strength values, the is determined respectively
The first distance, the second distance between the second base station and multimode terminal and third base station between one base station and multimode terminal with
Third distance between multimode terminal；
Step 14, according to the first position information, second position information, the third place information, first distance, second away from
From and third with a distance from, determine the location information of multimode terminal.
First network pattern is honeycomb Internet of Things in the first embodiment of the present invention, such as NB-IoT or eMTC；Second
Network mode is other network modes in addition to honeycomb Internet of Things, for example, global system for mobile communications GSM, long term evolution LTE,
Each pattern (such as CDMA2000, WCDMA, TD-SCDMA etc.) under 3G.
Specifically, in the first embodiment of the present invention, honeycomb Internet of Things is resided at after multimode terminal booting, terminal receives
The system message of serving BS can know the identity of serving BS (i.e. first base station).Terminal gives honeycomb Internet of Things first
Net carries out the measurement of signal strength, obtains the first signal strength values of first base station；Multimode terminal again carries out adjacent base station later
It measures, determines the signal strength values of the adjacent base station of at least two second network modes, the second signal of respectively the second base station is strong
Angle value and the third signal strength values of third base station.
It should be noted that when the base station that three the second network modes are included in the adjacent base station of multimode terminal or three with
On the second network mode base station when, the base station that selection signal intensity value comes front two is identified as the second base station and
Three base stations.
The location-server of network side can respectively be calculated according to the path loss formula based on air interface transmission model first away from
With a distance from, second distance and third；Identity further according to each base station determines the position of each base station, so as to according to geometry
The position of multimode terminal is calculated.
To sum up, the embodiment of the present invention is assisted using the base station of smaller second network mode of coverage area to multimode terminal
Positioning, the base station merely with the larger first network pattern of coverage area is avoided, to terminal positioning, to improve positioning accuracy.
Specifically, step 12 includes in the first embodiment of the present invention：
Step 121, the first identity of the first base station that the multimode terminal reports, the second body of the second base station are received
Part mark and the tiers e'tat mark of third base station；
Step 122, it from the mapping table of the position of the identity of base station and base station, obtains and first identity
Identify corresponding first position information, second position information corresponding with the second identity and corresponding with tiers e'tat mark
The third place information.
In the above embodiment of the present invention, the identity of base station is that multimode terminal reports, then network side is according to base station
Identity can be found from the mapping table (i.e. network planning data) of the position of the identity and base station of base station
The corresponding position coordinates in base station.If the position coordinates for the first base station that network side determines are (x1, y1, z1)；The position of second base station
Coordinate is put as (x2, y2, z2)；The position coordinates of third base station are (x3, y3, z3).
Further, step 13 includes in the above embodiment of the present invention：
First signal strength values, second signal intensity value and third signal strength values are substituted into default path loss formula respectively
In, the first distance between first base station and multimode terminal, the second distance between the second base station and multimode terminal are determined respectively
And the third distance between third base station and multimode terminal.
Specifically, the determining step of the default path loss formula, including：
Formula P is lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Los-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss is whole with multimode for base station
The sum of wired path loss between end；The sum of the gains of Gain between base station and multimode terminal；LPdownFor base station and multimode terminal
Between downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Los for base station with
Obstacle shadow loss between multimode terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance is base station and multimode
The distance between terminal；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measures.
It should be noted that the output power P of base stationoutIt is that base station can be known；Having between base station and multimode terminal
The sum of circuit damage Loss is also that base station can be known, specifically includes the sum of loss of base station feeder, combiner, connector etc.；Base
The sum of the gain between the multimode terminal Gain that stands is also that base station can be known, specially the gain of Base Transmitter antenna and end
Hold the sum of gain of reception antenna；Eat dishes without rice or wine radio wave frequency frequency be known parameters；Between base station and multimode terminal
Obstacle shadow loss Los be also that base station can be known, can be a value estimated, be not specifically limited herein.
The first signal strength values, second signal intensity value and third signal strength values are substituted into multimode terminal respectively again to connect
The power P receivedinIn, then it can obtain three distance, the respectively first distance, second distance and third distance.For example,
First distance is S1, and second distance S2, third distance is S3.
Specifically, step 14 includes：
Step 141, according to first position information, second position information, the third place information, the first distance, second distance
And the geometric distance relationship between third distance, equation group is built, calculates the location information for determining multimode terminal.
If the position coordinates of multimode terminal are (x0, y0, z0)；The equation group then built is as follows：
(x1-x0)2+(y1-y0)2+(z1-z0)2=S12 (1)
(x2-x0)2+(y2-y0)2+(z2-z0)2=S22 (2)
(x3-x0)2+(y3-y0)2+(z3-z0)2=S32 (3)
The position coordinates (x0, y0, z0) where multimode terminal can be calculated by solving equations (1), (2), (3).
Since many Internet of Things field requirement terminal works can reach 10 time limits, but battery capacity is limited, if more
Mould terminal measures the signal strength of base station in real time, and the power consumption of terminal can become too big, influence the service life of terminal.It is therefore of the invention
First embodiment in step 11 include：
Step 111, the triggering command of trigger position positioning is sent to multimode terminal；
Step 112, the first signal of the first base station that the multimode terminal is reported according to the triggering command measurement is received
The third signal strength values of intensity value, the second signal intensity value of the second base station and third base station.
I.e. network side triggering positioning flow, network side can be passed through by sending short message mode trigger position positioning flow
Short message carries the triggering command of trigger position positioning, after multimode terminal receives triggering command, starts the signal strength of resident base station
It measures and the signal strength measurement of base station to other network modes, is measured rear report measurement results and base station IDs to calmly
Position server (network side), server is according to reporting information, computing terminal position coordinate.
Alternatively, step 11 includes in the first embodiment of the present invention：
Step 113, when receiving the serving BS of multimode terminal and changing, the multimode terminal actively measures the reported
The third signal strength values of first signal strength values of one base station, the second signal intensity value of the second base station and third base station.
I.e. terminal active trigger position positions, when the serving BS ID that terminal discovery is resident changes, Jiu Huizhu
The dynamic signal strength measurement for initiating the base station to being currently resident the signal strength measurement of base station and to other network modes, measures
Report measurement results and base station IDs are to location-server (network side) after the completion, and server is according to reporting information, computing terminal institute
In position coordinates.
To sum up, the multimode terminal based on Internet of Things that the first embodiment of the present invention provides has to isosystem measurement energy
Power, i.e., by estimating the distance of terminal and base station to the test of GSM base station signal strengths, further according to base where known cell
The position coordinates stood calculate the position coordinates where mutual terminal；And the first embodiment of the present invention is by defining two kinds of triggering sides
Formula：Server side active inquiry is triggered to be triggered with actively upper after terminal location variation, is avoided because of terminal because frequent calculation position is believed
Cease the power consumption brought；Both the positioning accuracy to terminal had been improved, has in turn avoided unnecessary power consumption.
Second embodiment
As shown in Fig. 2, the second embodiment of the present invention provides a kind of positioning device of multimode terminal, the multimode terminal is extremely
First network pattern and the second network mode are supported less, and the serving BS of the multimode terminal is the first base of first network pattern
It stands, and including at least the of the second base station of the second network mode and the second network mode in the adjacent base station of the multimode terminal
Three base stations, the method includes：
Receiving module 21, for receiving the first signal strength values of the first base station that multimode terminal measurement reports, the second base
The second signal intensity value and the third signal strength values of third base station stood；
Acquisition module 22, for obtain the second position information of the first position information of first base station, the second base station and
The third place information of third base station；
Apart from determining module 23, for according to the first signal strength values, second signal intensity value and third signal strength
Value determines the first distance between first base station and multimode terminal, the second distance between the second base station and multimode terminal respectively
And the third distance between third base station and multimode terminal；
Position determination module 24, for according to the first position information, second position information, the third place information,
One distance, second distance and third distance determine the location information of multimode terminal.
Specifically, acquisition module described in the second embodiment of the present invention includes：
Identity submodule, for receiving the first identity of the first base station that the multimode terminal reports, second
Second identity of base station and the tiers e'tat mark of third base station；
Acquisition submodule, for from the mapping table of the position of the identity and base station of base station, obtain with it is described
The corresponding first position information of first identity, the second position corresponding with the second identity information and and tiers e'tat
Identify corresponding the third place information.
Specifically, include described in the second embodiment of the present invention apart from determining module：
Apart from determination sub-module, for by the first signal strength values, second signal intensity value and third signal strength values
Substitute into respectively in default path loss formula, determine respectively the first distance between first base station and multimode terminal, the second base station with it is more
The third distance between second distance and third base station and multimode terminal between mould terminal.
Specifically, device described in the second embodiment of the present invention further includes：
Formula determining module, for formula P to be lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Loss-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss is whole with multimode for base station
The sum of wired path loss between end；The sum of the gains of Gain between base station and multimode terminal；LPdownFor base station and multimode terminal
Between downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Loss is base station
Obstacle shadow loss between multimode terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance for base station with it is more
The distance between mould terminal；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measures.
Specifically, position determination module described in the second embodiment of the present invention includes：
Location determination submodule, for according to first position information, second position information, the third place information, first away from
Geometric distance relationship between with a distance from, second distance and third, builds equation group, calculates the position letter for determining multimode terminal
Breath.
Specifically, receiving module described in the second embodiment of the present invention includes：
Sending submodule is instructed, for sending the triggering command of trigger position positioning to multimode terminal；
First receiving submodule, for receiving the first base station that the multimode terminal is reported according to the triggering command measurement
The first signal strength values, the second signal intensity value of the second base station and the third signal strength values of third base station.
Specifically, receiving module described in the second embodiment of the present invention includes：
Second receiving submodule, when the serving BS for receiving multimode terminal changes, the multimode terminal is actively
Measure the first signal strength values of first base station, the second signal intensity value of the second base station and the third of third base station reported
Signal strength values.
To sum up, the multimode terminal based on Internet of Things that the second embodiment of the present invention provides has to isosystem measurement energy
Power, i.e., by estimating the distance of terminal and base station to the test of GSM base station signal strengths, further according to base where known cell
The position coordinates stood calculate the position coordinates where mutual terminal；And the first embodiment of the present invention is by defining two kinds of triggering sides
Formula：Server side active inquiry is triggered to be triggered with actively upper after terminal location variation, is avoided because of terminal because frequent calculation position is believed
Cease the power consumption brought；Both the positioning accuracy to terminal had been improved, has in turn avoided unnecessary power consumption.
It should be noted that the second embodiment of the present invention provide multimode terminal positioning device be able to carry out it is above-mentioned
All realities of the positioning device, the then localization method of above-mentioned multimode terminal of the localization method for the multimode terminal that first embodiment provides
It applies example and is suitable for the positioning device, and can reach the same or similar advantageous effect.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of localization method of multimode terminal, the multimode terminal at least support first network pattern and the second network mode,
It is characterized in that, the serving BS of the multimode terminal is the first base station of first network pattern, and the neighbour of the multimode terminal
The second base station of the second network mode and the third base station of the second network mode are included at least in base station, the method includes：
Receive multimode terminal measurement report the first signal strength values of first base station, the second base station second signal intensity value with
And the third signal strength values of third base station；
Obtain first position information, the second position information of the second base station and the third place of third the base station letter of first base station
Breath；
According to the first signal strength values, second signal intensity value and third signal strength values, determine respectively first base station with it is more
The first distance, the second distance between the second base station and multimode terminal and third base station and multimode terminal between mould terminal it
Between third distance；
According to the first position information, second position information, the third place information, the first distance, second distance and third
Distance determines the location information of multimode terminal.
2. according to the method described in claim 1, it is characterized in that, the first position information for obtaining first base station, second
The step of second position information of base station and the third place information of third base station, including：
Receive the first identity of the first base station that the multimode terminal reports, the second identity of the second base station and
The tiers e'tat mark of three base stations；
From the mapping table of the position of the identity and base station of base station, corresponding with first identity the is obtained
One location information, the second position corresponding with the second identity information and the third place corresponding with tiers e'tat mark letter
Breath.
It is 3. according to the method described in claim 1, it is characterized in that, described according to the first signal strength values, second signal intensity
Value and third signal strength values determine the first distance, the second base station and multimode between first base station and multimode terminal respectively
The third between second distance and third base station and multimode terminal between terminal apart from the step of, including：
First signal strength values, second signal intensity value and third signal strength values are substituted into respectively in default path loss formula,
Determine respectively the first distance between first base station and multimode terminal, the second distance between the second base station and multimode terminal and
Third distance between third base station and multimode terminal.
4. according to the method described in claim 3, it is characterized in that, the determining step of the default path loss formula, including：
Formula P is lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Loss-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss for base station and multimode terminal it
Between the sum of wired path loss；The sum of the gains of Gain between base station and multimode terminal；LPdownBetween base station and multimode terminal
Downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Loss for base station with it is more
Obstacle shadow loss between mould terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance is whole with multimode for base station
The distance between end；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measurement reports.
It is 5. according to the method described in claim 1, it is characterized in that, described according to the first position information, second confidence
Breath, the third place information, the first distance, second distance and third distance, the step of determining the location information of multimode terminal, packet
It includes：
According to first position information, second position information, the third place information, the first distance, second distance and third distance
Between geometric distance relationship, build equation group, calculate determine multimode terminal location information.
6. the according to the method described in claim 1, it is characterized in that, multimode terminal measurement first base station that reports of receiving
The step of third signal strength values of first signal strength values, the second signal intensity value of the second base station and third base station, packet
It includes：
The triggering command of trigger position positioning is sent to multimode terminal；
Receive the first signal strength values of first base station, the second base that the multimode terminal is reported according to the triggering command measurement
The second signal intensity value and the third signal strength values of third base station stood.
7. the according to the method described in claim 1, it is characterized in that, multimode terminal measurement first base station that reports of receiving
The step of third signal strength values of first signal strength values, the second signal intensity value of the second base station and third base station, packet
It includes：
When the serving BS of reception multimode terminal changes, the multimode terminal actively measures the first of first base station reported
The third signal strength values of signal strength values, the second signal intensity value of the second base station and third base station.
8. a kind of positioning device of multimode terminal, the multimode terminal at least support first network pattern and the second network mode,
It is characterized in that, the serving BS of the multimode terminal is the first base station of first network pattern, and the neighbour of the multimode terminal
Include in base station including at least the second base station of the second network mode and the third base station of the second network mode, described device：
Receiving module, for receiving the of the first signal strength values of the first base station that multimode terminal measurement reports, the second base station
Binary signal intensity value and the third signal strength values of third base station；
Acquisition module, for obtaining the second position information of the first position information of first base station, the second base station and third base
The third place information stood；
Apart from determining module, for according to the first signal strength values, second signal intensity value and third signal strength values, difference
Determine the first distance between first base station and multimode terminal, the second distance and third between the second base station and multimode terminal
Third distance between base station and multimode terminal；
Position determination module, for according to the first position information, second position information, the third place information, first distance,
Second distance and third distance determine the location information of multimode terminal.
9. device according to claim 8, which is characterized in that the acquisition module includes：
Identity submodule, for receiving the first identity of the first base station that the multimode terminal reports, the second base station
The second identity and third base station tiers e'tat mark；
Acquisition submodule, for from the mapping table of the position of the identity and base station of base station, obtaining and described first
The corresponding first position information of identity, the second position corresponding with the second identity information and with tiers e'tat identify
Corresponding the third place information.
10. device according to claim 8, which is characterized in that described to include apart from determining module：
Apart from determination sub-module, for the first signal strength values, second signal intensity value and third signal strength values to be distinguished
It substitutes into default path loss formula, determines the first distance, the second base station and multimode end between first base station and multimode terminal respectively
The third distance between second distance and third base station and multimode terminal between end.
11. device according to claim 10, which is characterized in that described device further includes：
Formula determining module, for formula P to be lost according to first pathin=Pout-Loss+Gain-LPdown,
Second path loss formula LPdown=Loss+Ls and
Third path loss formula Ls=32.45+20lg (frequency)+20lg (distance),
Determine that default path loss formula is：
20lg (distance)=Pout-Pin-Loss+Gain-20lg(frequency)-Loss-32.45；
Wherein, PinThe power received for multimode terminal；PoutOutput power for base station；Loss for base station and multimode terminal it
Between the sum of wired path loss；The sum of the gains of Gain between base station and multimode terminal；LPdownBetween base station and multimode terminal
Downlink path loss；Ls is the downlink transfer loss between base station and multimode terminal under free space；Loss for base station with it is more
Obstacle shadow loss between mould terminal；Frequency is the frequency of radio wave of eating dishes without rice or wine；Distance is whole with multimode for base station
The distance between end；
Wherein, the power P that multimode terminal receivesinEqual to the signal strength values for the base station that multimode terminal measurement reports.
12. device according to claim 8, which is characterized in that the position determination module includes：
Location determination submodule, for according to first position information, second position information, the third place information, the first distance, the
Geometric distance relationship between two distances and third distance, builds equation group, calculates the location information for determining multimode terminal.
13. device according to claim 8, which is characterized in that the receiving module includes：
Sending submodule is instructed, for sending the triggering command of trigger position positioning to multimode terminal；
First receiving submodule, for receiving the of the first base station that the multimode terminal is reported according to the triggering command measurement
The third signal strength values of one signal strength values, the second signal intensity value of the second base station and third base station.
14. device according to claim 8, which is characterized in that the receiving module includes：
Second receiving submodule, when the serving BS for receiving multimode terminal changes, the multimode terminal actively measures
The third signal of first signal strength values of the first base station reported, the second signal intensity value of the second base station and third base station
Intensity value.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822627A (en) * | 2020-11-26 | 2021-05-18 | 海能达通信股份有限公司 | Positioning method of multimode terminal, multimode terminal and computer readable storage medium |
| WO2022047630A1 (en) * | 2020-09-01 | 2022-03-10 | Nokia Shanghai Bell Co., Ltd. | Mechanism for enhanced positioning scheme for devices |
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| CN103139902A (en) * | 2011-11-23 | 2013-06-05 | 京信通信系统（中国）有限公司 | Wireless positioning method, device and system |
| CN103369668A (en) * | 2012-03-27 | 2013-10-23 | 中兴通讯股份有限公司 | Method and device for using wireless communication system to locate position, and mobile terminal |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139902A (en) * | 2011-11-23 | 2013-06-05 | 京信通信系统（中国）有限公司 | Wireless positioning method, device and system |
| CN103369668A (en) * | 2012-03-27 | 2013-10-23 | 中兴通讯股份有限公司 | Method and device for using wireless communication system to locate position, and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022047630A1 (en) * | 2020-09-01 | 2022-03-10 | Nokia Shanghai Bell Co., Ltd. | Mechanism for enhanced positioning scheme for devices |
| CN112822627A (en) * | 2020-11-26 | 2021-05-18 | 海能达通信股份有限公司 | Positioning method of multimode terminal, multimode terminal and computer readable storage medium |
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