CN106060852A - Parameter adjusting method, base station and mobile terminal - Google Patents
Parameter adjusting method, base station and mobile terminal Download PDFInfo
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- CN106060852A CN106060852A CN201610537699.4A CN201610537699A CN106060852A CN 106060852 A CN106060852 A CN 106060852A CN 201610537699 A CN201610537699 A CN 201610537699A CN 106060852 A CN106060852 A CN 106060852A
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- mobile terminal
- parameter
- base station
- parameter configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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
- H04W88/08—Access point devices
Abstract
The invention provides a parameter adjusting method, a base station and a mobile terminal. The method comprises the steps of querying a corresponding relationship between the position of the mobile terminal and a channel parameter, and thus obtaining the channel parameter corresponding to the position of the mobile terminal in prior information; and completing parameter configuration of a base station transmitter, a base station receiver, a mobile terminal transmitter and a mobile terminal receiver according to the channel parameter. According to the method, as the driving track of a railway vehicle is fixed, the channel parameter can be directly obtained according to the corresponding relationship between the position of the mobile terminal and the channel parameter, with no need to analyze at each location of the railway vehicle to obtain the channel parameter, and problem that a universal parameter configuration method is complex is solved; meanwhile, the information sending to the base station by the mobile terminal is the prior information, as the prior information such as speed and location do not mutate, when the prior information reaches the base station, a large error is not generated, and thus the problem that the mobile terminal has poor adaptation in high speed movement is solved.
Description
Technical field
The present invention relates to radio communication control field, in particular, relate to a kind of parameter regulation means, base station and shifting
Dynamic terminal.
Background technology
Unlimited electrical communication system equipment can be generally divided into base station and mobile terminal, and base station is the most fixed, moves
Dynamic terminal can move in the coverage of base station.Single base station can support the access of multiple mobile terminal, for non-extensively
Broadcast system, all comprises radio communication transmitter and receiver on base station and mobile terminal.
Radio communications system is to utilize electromagnetic wave for carrier, it is achieved the information between transmitter and receiver is mutual.Nothing
Line electrical communication system is widely used in field of track traffic, and be mainly used between train and ground installation is mutual.?
Field of track traffic, in radio communication there is the Some features of self in propagation properties, such as: arranges shifting ON TRAINS
Dynamic terminal operating circuit is fixed, mobile terminal uses aerial position and point to fixing, mobile terminal and can obtain the position of self
Put and velocity information etc..
In radio communications system, electromagnetic wave is during transmission, can be affected by the ambient, will be distorted.
Distortion specifically includes that space loss, multipath effect, Doppler effect and interference.Therefore transmitter and receiver needs to configure one
A little parameters are come anti-electromagnetic wave distortion in communication process.The major parameter of transmitter has: launch power, MCS, MIMO mould
Formula.The major parameter of receiver has: time migration, frequency shift (FS), Channel Equalization Algorithm.
When configuring transmitter and receiver parameter, use general method for parameter configuration, when calculating, meeting at present
Consider mobile terminal environment at any time change, according to estimate channel circumstance, the factor of analyzing influence channel, eliminate the effects of the act because of
Element obtains original channel circumstance, and the receiving algorithm therefore used is more complicated.Meanwhile, existing scheme is usually by mobile terminal
Report downlink channel status information is to base station, and base station is adjusted according to the information of mobile terminal reporting, if mobile terminal
Being in the state of high-speed mobile, it is the most out-of-date that the information reported arrives during base station, causes the parameter that base station is improperly-configured, impact
The performance of system.Therefore, need one badly and can solve the problem that configuration transmitter and receiver parameter algorithm complexity, mobile terminal fortune at a high speed
The method of dynamic bad adaptability.
Summary of the invention
In view of this, the present invention provides a kind of parameter regulation means, base station and mobile terminal, with solve configuration transmitter and
Receiver parameters algorithm is complicated, the problem of mobile terminal high-speed motion bad adaptability.
For solving above-mentioned technical problem, present invention employs following technical scheme:
A kind of parameter regulation means, is applied to base station, and described method includes:
When mobile terminal enters the coverage of base station, receive the prior information that mobile terminal sends；Described priori is believed
Breath includes that mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and mobile terminal antenna point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal described in described prior information
The channel parameter that position is corresponding；
The parameter of the parameter configuration and base station receiver that are calculated base station transmitter according to described channel parameter is joined
Confidence ceases；
Parameter configuration and the parameter configuration of described base station receiver according to described base station transmitter complete base
The parameter configuration of transmitter of standing and the parameter configuration of base station receiver.
Preferably, the generating mode of the corresponding relation of described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
Preferably, described parameter configuration and the base station reception being calculated base station transmitter according to described channel parameter
The parameter configuration of machine, specifically includes:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated the parameter configuration of base station transmitter and the parameter configuration of base station receiver.
A kind of parameter regulation means, is applied to base station, and described method includes:
When mobile terminal enters the coverage of base station, receive the prior information that mobile terminal sends；Described priori is believed
Breath includes that mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and mobile terminal antenna point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal described in described prior information
The channel parameter that position is corresponding；
The parameter configuration of the parameter configuration of base station transmitter, base station receiver it is calculated according to described channel parameter
Information, the parameter configuration of mobile terminal transmitter and the parameter configuration of mobile terminal receiver；
Parameter configuration and the parameter configuration of described base station receiver according to described base station transmitter complete base
The parameter configuration of transmitter of standing and the parameter configuration of base station receiver；
By parameter configuration and the parameter configuration of described mobile terminal receiver of described mobile terminal transmitter
Send to mobile terminal.
Preferably, the generating mode of the corresponding relation of described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
Preferably, described according to described channel parameter be calculated the parameter configuration of base station transmitter, base station receive
The parameter configuration of machine, the parameter configuration of mobile terminal transmitter and the parameter configuration of mobile terminal receiver,
Specifically include:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated the parameter configuration of base station transmitter, the parameter configuration of base station receiver, mobile terminal transmitter
Parameter configuration and the parameter configuration of mobile terminal receiver.
A kind of parameter regulation means, is applied to mobile terminal, and described method includes:
When entering the coverage of base station, obtain prior information；Described prior information includes mobile terminal locations, movement
Terminal velocity, mobile terminal antenna position and mobile terminal antenna point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal described in described prior information
The channel parameter that position is corresponding；
Parameter configuration and the mobile terminal receiver of mobile terminal transmitter it is calculated according to described channel parameter
Parameter configuration；
Parameter configuration according to described mobile terminal transmitter and the parameter configuration letter of described mobile terminal receiver
Parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter are ceased；
Described prior information is sent to base station.
The generating mode of the corresponding relation of the most described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
Preferably, described parameter configuration and the movement being calculated mobile terminal transmitter according to described channel parameter
The parameter configuration of terminal receiver, specifically includes:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter.
A kind of parameter regulation means, is applied to mobile terminal, and described method includes:
When entering the coverage of base station, obtain prior information；Described prior information includes mobile terminal locations, movement
Terminal velocity, mobile terminal antenna position and mobile terminal antenna point to；
Described prior information is sent to base station；
Receive parameter configuration and the parameter configuration of mobile terminal receiver of the mobile terminal transmitter that base station sends
Information；
Parameter configuration according to described mobile terminal transmitter and the parameter configuration letter of described mobile terminal receiver
Parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter are ceased.
A kind of base station, described base station includes: processor and memorizer；
Described processor, for processing according to the above-mentioned method being applied to base station, and the result after processing sends
To memorizer；
Described memorizer, for storing the result after described processor processes.
A kind of mobile terminal, described mobile terminal includes: processor and memorizer；
Described processor, for processing according to the above-mentioned method being applied to mobile terminal, and the result after processing
Send to memorizer；
Described memorizer, for storing the result after described processor processes.
Compared to prior art, the method have the advantages that
The invention provides a kind of parameter regulation means, base station and mobile terminal, enquiry mobile terminal position and channel ginseng
The corresponding relation of number, obtains the channel parameter corresponding with mobile terminal locations described in described prior information；According to described channel
Parameter is calculated the parameter configuration of base station transmitter, the parameter configuration of base station receiver, mobile terminal transmitter
Parameter configuration and the parameter configuration of mobile terminal base station receiver, and complete base station transmitter, base station receiver,
Mobile terminal transmitter, the parameter configuration of mobile terminal receiver.The track travelled due to rail vehicle in the present invention is fixed, energy
Enough directly obtain channel parameter according to the corresponding relation of terminal location and channel parameter, it is no longer necessary in each position of rail vehicle
Putting and be analyzed obtaining channel parameter, solve the problem that general method for parameter configuration is complicated, meanwhile, mobile terminal is sent to
Base station is prior information, owing to the prior information such as speed, position will not be suddenlyd change, does not have very when prior information arrives base station
Big error, thus the problem solving mobile terminal high-speed motion bad adaptability.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The method flow diagram of the parameter regulation means being applied to base station that Fig. 1 provides for the embodiment of the present invention one；
The method flow diagram of the parameter regulation means being applied to base station that Fig. 2 provides for the embodiment of the present invention two；
The method flow diagram of the parameter regulation means being applied to mobile terminal that Fig. 3 provides for the embodiment of the present invention three；
The method flow diagram of the parameter regulation means being applied to mobile terminal that Fig. 4 provides for the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Field of track traffic, radio communications system specifically includes that WiFi and the LTE-M system of urban track traffic, ferrum
The Radio Train Dispatch Communication System in field, road, the GSM-R system etc. of high speed passenger dedicated railway.The electromagnetic wave propagation channel of radio communication exists
The Some features of self:
(1) running of mobile terminal circuit is fixed；
(2) mobile terminal uses aerial position and sensing are fixing；
(3) mobile terminal is obtained in that the current position of self, velocity information；
(4) mobile terminal can be able to tell that motion；
(5) channel circumstance between mobile terminal and base station will not occur quick time-varying, and between mobile terminal and base station
Generally there are synchronization loss LOS footpath；
(6) mobile terminal switching position between base station is substantially stationary.
The invention provides one and be applied to base station parameter method of adjustment, with reference to Fig. 1, need explanation a bit, due to can
With at mobile terminal side deployment parameters calculation server, it is also possible to not at mobile terminal side deployment parameters calculation server, Fig. 1 pair
The embodiment answered belongs to the situation of mobile terminal side deployment parameters calculation server.Described method includes:
The prior information that S101, reception mobile terminal send；
It should be noted that when mobile terminal enters the coverage of base station, mobile terminal and base station can be carried out
Communication, when mobile terminal is not in the range of base station covers, both can not communicate, and described prior information includes mobile whole
End position, speed of mobile terminal, mobile terminal antenna position and mobile terminal antenna point to.These prior informations are transfer terminals
Obtained by the train control system measurement on self train.
S102, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain moving with described in described prior information
The channel parameter that dynamic terminal location is corresponding；
It should be noted that the generating mode of the corresponding relation of described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
Wherein, the corresponding relation of mobile terminal locations and channel parameter is between mobile terminal locations and channel parameter
Plant mapping relations.Owing to the running orbit of train is fixed, train can be allowed in advance to carry out examination along track and to run, obtain each movement
Terminal location and the corresponding relation of channel parameter.After setting up corresponding relation, can directly according to corresponding relation inquiry obtain with
The channel parameter that mobile terminal locations is corresponding.
Before setting up corresponding relation, need to configure the base station of base station and mobile terminal to be set to measuring parameters in channels mould
Formula, now, all of running time-frequency resource is used for sending reference signal by mobile terminal.Base station receives the reference letter that mobile terminal is sent
After number, the channel carrying out full running time-frequency resource according to reference signal is estimated, is combining mobile terminal locations, is completing mobile terminal position
Put the correspondence between channel parameter, obtain the corresponding relation of mobile terminal locations and channel parameter.
S103, the parameter configuration being calculated base station transmitter according to described channel parameter and the ginseng of base station receiver
Number configuration information；
Wherein, the parameter configuration of base station transmitter and the parameter configuration of base station receiver are for Base Transmitter
The parameter configuration of machine and the parameter configuration of base station receiver.After completing configuration, it is possible to make base station and mobile terminal preferably carry out
Communication.
S104, complete according to the parameter configuration of described base station transmitter and the parameter configuration of described base station receiver
Become parameter configuration and the parameter configuration of base station receiver of base station transmitter.
In the present embodiment, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain with in described prior information
The channel parameter that described mobile terminal locations is corresponding；The parameter configuration letter of base station transmitter it is calculated according to described channel parameter
Cease the parameter configuration with base station receiver and complete the parameter configuration of base station transmitter and base station receiver.In the present invention by
The track travelled in rail vehicle is fixed, it is possible to directly obtain channel ginseng according to the corresponding relation of terminal location and channel parameter
Number, it is no longer necessary to be analyzed obtaining channel parameter in each position of rail vehicle, solve general method for parameter configuration
Complicated problem, meanwhile, what mobile terminal was sent to base station is prior information, owing to the prior information such as speed, position will not be dashed forward
Become, do not have the biggest error when prior information arrives base station, thus solve mobile terminal high-speed motion bad adaptability
Problem.
Optionally, in another embodiment of the present invention, described it is calculated base station transmitter according to described channel parameter
Parameter configuration and the parameter configuration of base station receiver, specifically include:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated the parameter configuration of base station transmitter and the parameter configuration of base station receiver.
Concrete, it is calculated the parameter configuration of base station transmitter and base station receiver according to described channel parameter
Parameter configuration is to be performed by the parameter calculation server of base station deployment.Due to field of track traffic, the position of mobile terminal
Put and be limited in track-bound, and the antenna of mobile terminal and base station points to and will not change, so in track-bound
Channel circumstance is not rambling, but has stability in longer time scale.
Output parameter obtains according to channel parameter, then obtains corresponding with described mobile terminal locations, described output parameter
Transmission performance, when judging described output parameter and described transmission performance is not optimum, utilize gradient descent algorithm, engineering
Practise algorithm or natural selection algorithm is calculated the parameter configuration of base station transmitter and the parameter configuration letter of base station receiver
Breath.
Wherein, the calculating process of gradient descent algorithm is exactly to solve minimum along the direction that gradient declines.At this programme
In, i.e. find radio communication system transmission performance variable gradient direction, determine parameter configuration and the base of base station transmitter
Stand the parameter configuration of receiver.
Machine learning algorithm is to utilize the methods such as naive Bayesian, it is thus achieved that the probability between output parameter and transmission performance closes
System, thus output obtains the parameter configuration of base station transmitter of optimal output performance and base station receiver with maximum of probability
Parameter configuration.
Natural selection algorithm is to utilize genetic algorithm, constantly abandons the parameter causing transmission performance to deteriorate, thus obtains base
The parameter configuration of transmitter of standing and the parameter configuration of base station receiver.
In the present embodiment, gradient descent algorithm, machine learning algorithm or natural selection algorithm is used to be calculated base station and send out
Penetrate the parameter configuration of machine and the parameter configuration of base station receiver, it is possible to ensure mobile terminal and base station communication channels matter
Measure best.
Optionally, another embodiment of the present invention provides another parameter regulation means being applied to base station, ginseng
According to Fig. 2, it should be noted that this method base station side does not has deployment parameters calculation server.Described method includes:
The prior information that S201, reception mobile terminal send；
Wherein, described prior information includes mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and movement
Terminal antenna points to.
S202, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain moving with described in described prior information
The channel parameter that dynamic terminal location is corresponding；
It should be noted that the generating mode of the corresponding relation of described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
S203, it is calculated the ginseng of the parameter configuration of base station transmitter, base station receiver according to described channel parameter
Number configuration information, the parameter configuration of mobile terminal transmitter and the parameter configuration of mobile terminal receiver；
S204, complete according to the parameter configuration of described base station transmitter and the parameter configuration of described base station receiver
Become parameter configuration and the parameter configuration of base station receiver of base station transmitter；
S205, by the parameter configuration of described mobile terminal transmitter and the parameter configuration of described mobile terminal receiver
Information sends to mobile terminal.
It should be noted is that, owing to mobile terminal side does not has deployment parameters calculation server, so needing base station to incite somebody to action
The parameter configuration of mobile terminal transmitter and the parameter configuration of described mobile terminal receiver are calculated, and retransmit
To mobile terminal.
Owing to the step in the present embodiment has identical part with the step in above-described embodiment, refer to above-mentioned enforcement
Example, is not repeating at this.
In the present embodiment, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain with in described prior information
The channel parameter that described mobile terminal locations is corresponding；The parameter configuration letter of base station transmitter it is calculated according to described channel parameter
Breath, the parameter configuration of base station receiver, the parameter configuration of mobile terminal transmitter and mobile terminal base station receiver
Parameter configuration, and complete the parameter configuration of base station transmitter and base station receiver.Due to rail vehicle row in the present invention
The track sailed is fixed, it is possible to directly obtain channel parameter according to the corresponding relation of terminal location and channel parameter, it is no longer necessary to
Each position of rail vehicle is analyzed obtaining channel parameter, solves the problem that general method for parameter configuration is complicated, with
Time, what mobile terminal was sent to base station is prior information, owing to the prior information such as speed, position will not be suddenlyd change, in prior information
A biggest error is not had when arriving base station, thus the problem solving mobile terminal high-speed motion bad adaptability.
Optionally, in another embodiment of the present invention, described it is calculated base station transmitter according to described channel parameter
Parameter configuration and the parameter configuration of base station receiver, specifically include:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated the parameter configuration of base station transmitter and the parameter configuration of base station receiver.
In the present embodiment, gradient descent algorithm, machine learning algorithm or natural selection algorithm is used to be calculated base station and send out
Penetrate the parameter configuration of machine and the parameter configuration of base station receiver, it is possible to ensure mobile terminal and base station communication channels matter
Measure best.
It should be noted that the step in the present embodiment refers to the content in above-described embodiment, do not repeat them here.
Optionally, another embodiment of the present invention provides one and is applied to mobile terminal parameter regulation means, need
Illustrating, in the present embodiment, mobile terminal side deploys parameter-calculation method server.With reference to Fig. 3.Described method includes:
S301, acquisition prior information；
Wherein, described prior information includes mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and movement
Terminal antenna points to.
S302, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain moving with described in described prior information
The channel parameter that dynamic terminal location is corresponding；
It should be noted that the generating mode of the corresponding relation of described mobile terminal locations and channel parameter is:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations；
The result estimated according to described channel and described mobile terminal locations obtain mobile terminal locations and channel parameter
Corresponding relation.
It should be noted that querying method is the same with base station side, simply in the present embodiment, mobile terminal side is provided with parameter
Calculation server, so queried channel parameter can complete at mobile terminal side.
S303, the parameter configuration being calculated mobile terminal transmitter according to described channel parameter and mobile terminal connect
The parameter configuration of receipts machine；
It should be noted that computational methods are with the parameter configuration of base station side calculation base station transmitter and base station receiver
Parameter configuration the same, refer to above-described embodiment, do not repeat them here.
S304, join according to the parameter configuration of described mobile terminal transmitter and the parameter of described mobile terminal receiver
Confidence has ceased parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter；
S305, by described prior information send to base station.
It should be noted that send described prior information to base station, it is to ensure that base station can be launched by calculation base station
The parameter configuration of machine and the parameter configuration of base station receiver.
In the present embodiment, enquiry mobile terminal position and the corresponding relation of channel parameter, obtain with in described prior information
The channel parameter that described mobile terminal locations is corresponding；The parameter being calculated mobile terminal transmitter according to described channel parameter is joined
Confidence breath and the parameter configuration of mobile terminal base station receiver, and complete mobile terminal transmitter and mobile terminal receiver
Parameter configuration.The track travelled due to rail vehicle in the present invention is fixed, it is possible to directly according to terminal location and channel parameter
Corresponding relation obtain channel parameter, it is no longer necessary to be analyzed obtaining channel parameter in each position of rail vehicle, solve
The problem that general method for parameter configuration is complicated, meanwhile, what mobile terminal was sent to base station is prior information, due to speed,
The prior informations such as position will not be suddenlyd change, and does not have the biggest error when prior information arrives base station, thus solves mobile whole
The problem of end high-speed motion bad adaptability.
It should be noted that some step is consistent with the step in above-described embodiment, it is not repeated herein, refers to above-mentioned reality
Execute the content in example.
Optionally, in another embodiment of the present invention, described according to described channel parameter be calculated mobile terminal launch
The parameter configuration of machine and the parameter configuration of mobile terminal receiver, specifically include:
According to described channel parameter analysis obtain output parameter and with described mobile terminal locations, described output parameter pair
The transmission performance answered；
Gradient descent algorithm, machine learning algorithm or natural selection is utilized according to described output parameter and described transmission performance
Algorithm is calculated parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter.
It should be noted that this step is consistent with the step in above-described embodiment, it is not repeated herein, refers to above-mentioned enforcement
Content in example.
In the present embodiment, gradient descent algorithm, machine learning algorithm or natural selection algorithm is used to be calculated mobile whole
The parameter configuration of end transmitter and the parameter configuration of mobile terminal receiver, it is possible to ensure that mobile terminal leads to base station
Letter channel quality is best.
Optionally, another embodiment of the present invention provides one and is applied to mobile terminal parameter regulation means, need
Illustrate, in the present embodiment, mobile terminal side non-deployment parameters meter arithmetic server.With reference to Fig. 4.Described method includes:
S401, acquisition prior information；
Wherein, described prior information includes mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and movement
Terminal antenna points to；
S402, by described prior information send to base station；
S403, the parameter configuration receiving the mobile terminal transmitter that base station sends and the parameter of mobile terminal receiver
Configuration information；
S404, join according to the parameter configuration of described mobile terminal transmitter and the parameter of described mobile terminal receiver
Confidence has ceased parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter.
In the present embodiment, the parameter configuration and the mobile terminal base station that receive the mobile terminal transmitter that base station sends connect
The parameter configuration of receipts machine, and complete mobile terminal transmitter, the parameter configuration of mobile terminal receiver.In the present invention due to
The track that rail vehicle travels is fixed, it is possible to directly obtain channel parameter according to the corresponding relation of terminal location and channel parameter,
It is no longer necessary to be analyzed obtaining channel parameter in each position of rail vehicle, solves general method for parameter configuration complicated
Problem, meanwhile, what mobile terminal was sent to base station is prior information, owing to the prior information such as speed, position will not be suddenlyd change,
Prior information does not have a biggest error when arriving base station, thus the problem solving mobile terminal high-speed motion bad adaptability.
It should be noted that some step is consistent with the step in above-described embodiment, it is not repeated herein, refers to above-mentioned reality
Execute the content in example.
Optionally, providing a kind of base station in another embodiment of the present invention, described base station includes: processor and storage
Device；
Described processor, for processing according to above-mentioned method, and the result after processing sends to memorizer；Institute
State memorizer, for storing the result after described processor processes.
Optionally, providing a kind of mobile terminal in another embodiment of the present invention, described mobile terminal includes: processor
And memorizer；
Described processor, for processing according to above-mentioned method, and the result after processing sends to memorizer；Institute
State memorizer, for storing the result after described processor processes.
Above-described embodiment describes base station and mobile terminal, base station and mobile terminal and adopts and process with the aforedescribed process,
The track travelled due to rail vehicle is fixed, it is possible to directly obtain channel ginseng according to the corresponding relation of terminal location and channel parameter
Number, it is no longer necessary to be analyzed obtaining channel parameter in each position of rail vehicle, solve general method for parameter configuration
Complicated problem, meanwhile, what mobile terminal was sent to base station is prior information, owing to the prior information such as speed, position will not be dashed forward
Become, do not have the biggest error when prior information arrives base station, thus solve mobile terminal high-speed motion bad adaptability
Problem.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (12)
1. a parameter regulation means, is applied to base station, it is characterised in that described method includes:
When mobile terminal enters the coverage of base station, receive the prior information that mobile terminal sends；Described prior information bag
Include mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and mobile terminal antenna to point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal locations described in described prior information
Corresponding channel parameter；
Parameter configuration and the parameter configuration letter of base station receiver of base station transmitter it is calculated according to described channel parameter
Breath；
Parameter configuration and the parameter configuration of described base station receiver according to described base station transmitter complete base station and send out
Penetrate the parameter configuration of machine and the parameter configuration of base station receiver.
Method the most according to claim 1, it is characterised in that described mobile terminal locations and the corresponding relation of channel parameter
Generating mode be:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain the correspondence of mobile terminal locations and channel parameter
Relation.
Method the most according to claim 1, it is characterised in that described be calculated Base Transmitter according to described channel parameter
The parameter configuration of machine and the parameter configuration of base station receiver, specifically include:
Output parameter and corresponding with described mobile terminal locations, described output parameter is obtained according to described channel parameter analysis
Transmission performance；
Gradient descent algorithm, machine learning algorithm or natural selection algorithm is utilized according to described output parameter and described transmission performance
It is calculated the parameter configuration of base station transmitter and the parameter configuration of base station receiver.
4. a parameter regulation means, is applied to base station, it is characterised in that described method includes:
When mobile terminal enters the coverage of base station, receive the prior information that mobile terminal sends；Described prior information bag
Include mobile terminal locations, speed of mobile terminal, mobile terminal antenna position and mobile terminal antenna to point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal locations described in described prior information
Corresponding channel parameter；
The parameter configuration letter of the parameter configuration of base station transmitter, base station receiver it is calculated according to described channel parameter
Breath, the parameter configuration of mobile terminal transmitter and the parameter configuration of mobile terminal receiver；
Parameter configuration and the parameter configuration of described base station receiver according to described base station transmitter complete base station and send out
Penetrate the parameter configuration of machine and the parameter configuration of base station receiver；
The parameter configuration of described mobile terminal transmitter and the parameter configuration of described mobile terminal receiver are sent
To mobile terminal.
Method the most according to claim 4, it is characterised in that described mobile terminal locations and the corresponding relation of channel parameter
Generating mode be:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations that mobile terminal sends；
The result estimated according to described channel and described mobile terminal locations obtain the correspondence of mobile terminal locations and channel parameter
Relation.
Method the most according to claim 4, it is characterised in that described be calculated Base Transmitter according to described channel parameter
The parameter configuration of machine, the parameter configuration of base station receiver, the parameter configuration of mobile terminal transmitter and movement
The parameter configuration of terminal receiver, specifically includes:
Output parameter and corresponding with described mobile terminal locations, described output parameter is obtained according to described channel parameter analysis
Transmission performance；
Gradient descent algorithm, machine learning algorithm or natural selection algorithm is utilized according to described output parameter and described transmission performance
It is calculated the parameter configuration of base station transmitter, the parameter configuration of base station receiver, the ginseng of mobile terminal transmitter
Number configuration information and the parameter configuration of mobile terminal receiver.
7. a parameter regulation means, is applied to mobile terminal, it is characterised in that described method includes:
When entering the coverage of base station, obtain prior information；Described prior information includes mobile terminal locations, mobile terminal
Speed, mobile terminal antenna position and mobile terminal antenna point to；
Enquiry mobile terminal position and the corresponding relation of channel parameter, obtain and mobile terminal locations described in described prior information
Corresponding channel parameter；
Parameter configuration and the ginseng of mobile terminal receiver of mobile terminal transmitter it is calculated according to described channel parameter
Number configuration information；
Parameter configuration and the parameter configuration of described mobile terminal receiver according to described mobile terminal transmitter are complete
Become parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter；
Described prior information is sent to base station.
Method the most according to claim 7, it is characterised in that described mobile terminal locations and the corresponding relation of channel parameter
Generating mode be:
Channel estimation is carried out according to the reference signal corresponding with mobile terminal locations；
The result estimated according to described channel and described mobile terminal locations obtain the correspondence of mobile terminal locations and channel parameter
Relation.
Method the most according to claim 7, it is characterised in that described be calculated mobile terminal according to described channel parameter
The parameter configuration of transmitter and the parameter configuration of mobile terminal receiver, specifically include:
Output parameter and corresponding with described mobile terminal locations, described output parameter is obtained according to described channel parameter analysis
Transmission performance；
Gradient descent algorithm, machine learning algorithm or natural selection algorithm is utilized according to described output parameter and described transmission performance
It is calculated parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter.
10. a parameter regulation means, is applied to mobile terminal, it is characterised in that described method includes:
When entering the coverage of base station, obtain prior information；Described prior information includes mobile terminal locations, mobile terminal
Speed, mobile terminal antenna position and mobile terminal antenna point to；
Described prior information is sent to base station；
Receive parameter configuration and the parameter configuration of mobile terminal receiver of the mobile terminal transmitter that base station sends；
Parameter configuration and the parameter configuration of described mobile terminal receiver according to described mobile terminal transmitter are complete
Become parameter configuration and the parameter configuration of mobile terminal receiver of mobile terminal transmitter.
11. 1 kinds of base stations, it is characterised in that described base station includes: processor and memorizer；
Described processor, for processing according to method as described in any one of claim 1-6, and the result after processing
Send to memorizer；
Described memorizer, for storing the result after described processor processes.
12. 1 kinds of mobile terminals, it is characterised in that described mobile terminal includes: processor and memorizer；
Described processor, for processing according to method as described in any one of claim 7-10, and the knot after processing
Fruit sends to memorizer；
Described memorizer, for storing the result after described processor processes.
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