CN106879037B - Cordless communication network reselecting method, device and terminal based on LTE - Google Patents
Cordless communication network reselecting method, device and terminal based on LTE Download PDFInfo
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- CN106879037B CN106879037B CN201510926297.9A CN201510926297A CN106879037B CN 106879037 B CN106879037 B CN 106879037B CN 201510926297 A CN201510926297 A CN 201510926297A CN 106879037 B CN106879037 B CN 106879037B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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Abstract
A kind of cordless communication network reselecting method, device and terminal based on LTE judges whether the terminal is in high-speed mode after the cordless communication network reselecting method based on LTE includes: the public network in terminal other than from high speed private network off-grid to the high speed private network；If the terminal is in the high-speed mode, while receiving the business of current frequency point, one or more alien frequencies frequency points are scanned, by way of punching to judge whether the alien frequencies frequency point belongs to the high speed private network；If the alien frequencies frequency point belongs to the high speed private network, the terminal is switched into the alien frequencies frequency point.Cordless communication network reselecting method, device and terminal based on LTE scan alien frequencies frequency point by way of punching, it can make terminal while not influencing the processing of current network frequency service, high speed private network frequency point is scanned for and connected, business processing speed and performance of the terminal under LTE network mode are improved, user experience is improved.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of cordless communication network reselecting method based on LTE,
Device and terminal.
Background technique
The prior art has carried out more research, such as railway to the mobile communication system under fast moving scenes
Scene.GSM-R is mobile communication system of the Europe exclusively for railway exploitation, is also determined as China's iron by the Ministry of Railways early in 2000
The technical system and developing direction of railway digital mobile communications network.As 3G technology is quickly grown, mentioned to solve high rate communication
Preferable solution is supplied.But the radio interface rate that 2G, 3G technology are capable of providing is limited, the especially band in high-speed railway epoch
Come, 2G, 3G communication system Doppler effect under high-speed mobile are even more serious, and the increase of speed causes mobile communication system to switch
Frequently and then the deterioration that speech quality even results in cutting off rate is influenced, totally-enclosed compartment bring signal penetration loss is big, centainly
Affect to degree radio interface rate and then influence user experience etc..
Long term evolution (Long Term Evolution, LTE) is by third generation partner program (The 3rd
Generation Partnership Project, 3GPP) Universal Mobile Communication System (Universal that organizes to set up
Mobile Telecommunications System, UMTS) technical standard long term evolution, LTE technology is long term evolution skill
Art has begun under high-speed railway scene and generally uses.
In the prior art, when user terminal (User Equipment, UE) is in idle condition, after cell selection
It needs to be continued for cell reselection, to reside in, priority is higher or the better cell of channel quality.Network is by setting
The priority for setting different frequent points can achieve the resident purpose of control UE.Meanwhile UE will be selected in some frequency point it is top-quality
Cell, preferably to provide service for it.Cell reselection mainly solves the problems, such as wireless coverage.UE in high-speed cruising,
Such as when running in high-speed railway, movement rate is higher, such as can reach 350Km/h, in order to guarantee the end on high-speed railway
End can carry out business processing at 4G LTE, and LTE technology is optimized for this application scenarios of high-speed railway at present, substantially
Using private network form construction, that is, the terminal on high-speed railway is supported using high-speed railway private network.High-speed railway is special
The base station of net has continuity and succession, and neighbor cell relation is fixed, so as to provide more for the terminal on high-speed railway
Excellent service.
But terminal is during high-speed motion, it is possible to 4G LTE public network is fallen to from high-speed railway private network, due to
4G LTE public network and 4G high-speed railway private network will not configuring adjacent cell relationship, the prior art would generally terminate the industry of 4G LTE public network
Business, is found by searching net again and switches to high-speed railway private network cell.In this manner, terminal switched searching net
Business processing professional ability decline in journey, and then lead to poor user experience.
Summary of the invention
Present invention solves the technical problem that being the LTE service process performance for how improving user terminal under High-speed Circumstance.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of cordless communication network reselecting method based on LTE,
Cordless communication network reselecting method based on LTE includes:
After public network of the terminal other than from high speed private network off-grid to the high speed private network, judge whether the terminal is in high
Fast mode；
If the terminal is in the high-speed mode, while receiving the business of current frequency point, pass through punching
Mode scans one or more alien frequencies frequency points, to judge whether the alien frequencies frequency point belongs to the high speed private network；
If the alien frequencies frequency point belongs to the high speed private network, the terminal is switched into the alien frequencies frequency point.
Optionally, the alien frequencies frequency point is scanned to judge whether the alien frequencies frequency point belongs to the high speed private network and include:
For the cell that the signal strength of the alien frequencies frequency point is optimal, matched by the network that parsing obtains the alien frequencies frequency point
Confidence breath；
Judge whether the alien frequencies frequency point belongs to the high speed private network according to the network configuration information.
Optionally, the cordless communication network reselecting method based on LTE further include: the net is unable to get by parsing
When network configuration information, periodical parsing is carried out according to the first setting period to the alien frequencies frequency point.
Optionally, the cordless communication network reselecting method based on LTE further include: in the net of the alien frequencies frequency point
When network configuration information shows that the alien frequencies frequency point is not belonging to the high speed private network, scans other alien frequencies frequency points and parsed.
Optionally, the cordless communication network reselecting method based on LTE further include: be all not belonging in all alien frequencies frequency points
When the high speed private network, periodic scan is carried out according to the second setting period to one or more alien frequencies frequency points.
Optionally, the cell optimal for the signal strength of the alien frequencies frequency point obtains the alien frequencies frequency point by parsing
Network configuration information include:
The information of the corresponding cell of the alien frequencies frequency point is obtained by the first punch operation；
The mib information that the cell is parsed by the second punch operation obtains the bandwidth information of the cell；
The SIB1 information that the cell is parsed by third punch operation obtains the signal strength of the cell；
The SIB2 information that the cell is parsed by the 4th punch operation obtains the network configuration information.
Optionally, the time span of first punch operation is 6ms；Second punch operation and third punching
The time span of operation is at least 2ms；The time span of 4th punch operation is 2~41ms.
Optionally, the alien frequencies frequency point includes one or more of, the history of full frequency band frequency point and the high speed private network
Frequency point.
Optionally, when terminal saves the prior information of the history frequency point, the history frequency point is scanned；Otherwise, it scans
The full frequency band frequency point.
Optionally, judge whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of cordless communication network gravity treatment based on LTE
Device, the cordless communication network gravity concentration apparatus based on LTE include:
Mode determination, after public network of the terminal other than from high speed private network off-grid to the high speed private network, described in judgement
Whether terminal is in high-speed mode；
Web search unit is suitable for when the terminal is in the high-speed mode, is receiving the business of current frequency point
Meanwhile one or more alien frequencies frequency points are scanned by way of punching to judge it is special whether the alien frequencies frequency point belongs to the high speed
Net；
Network switch unit, suitable for when the alien frequencies frequency point belongs to the high speed private network, the terminal is switched to institute
State alien frequencies frequency point.
Optionally, the web search unit includes:
Resolution unit obtains the alien frequencies frequency by parsing for the cell that the signal strength of the alien frequencies frequency point is optimal
The network configuration information of point；
It is special to judge whether the alien frequencies frequency point belongs to the high speed according to the network configuration information for network judging unit
Net.
Optionally, the cordless communication network gravity concentration apparatus based on LTE further include: the resolution unit passes through parsing nothing
When method obtains the network configuration information, periodical parsing is carried out according to the first setting period to the alien frequencies frequency point.
Optionally, the cordless communication network gravity concentration apparatus based on LTE further include: the resolution unit is in the alien frequencies
When the network configuration information of frequency point shows that the alien frequencies frequency point is not belonging to the high speed private network, go forward side by side to other alien frequencies frequency points
Row parsing.
Optionally, the cordless communication network gravity concentration apparatus based on LTE further include: be all not belonging in all alien frequencies frequency points
When the high speed private network, the web search unit carries out week according to the second setting period to one or more alien frequencies frequency points
The scanning of phase property.
Optionally, the web search unit obtains the letter of the corresponding cell of the alien frequencies frequency point by the first punch operation
Breath；The resolution unit parses the mib information of the cell by the second punch operation, obtains the bandwidth information of the cell；
The SIB1 information that the cell is parsed by third punch operation obtains the signal strength of the cell；Pass through the 4th dozen
Hole operation parses the SIB2 information of the cell, obtains the network configuration information.
Optionally, the time span of first punch operation is 6ms；Second punch operation and third punching
The time span of operation is at least 2ms；The time span of 4th punch operation is 2~41ms.
Optionally, the alien frequencies frequency point includes one or more of, the history of full frequency band frequency point and the high speed private network
Frequency point.
Optionally, when terminal saves the prior information of the history frequency point, the history frequency point is scanned；Otherwise, it scans
The full frequency band frequency point.
Optionally, judge whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
In order to solve the above technical problems, the terminal includes based on LTE's the embodiment of the invention also discloses a kind of terminal
Cordless communication network gravity concentration apparatus.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
Whether the present invention judges the terminal after public network of the terminal other than from high speed private network off-grid to the high speed private network
In high-speed mode, so that terminal carries out network reselection operation；It is current receiving when the terminal is in the high-speed mode
While the business of frequency point, one or more alien frequencies frequency points are scanned by way of punching to judge whether the alien frequencies frequency point belongs to
In the high speed private network, and when the alien frequencies frequency point belongs to the high speed private network, the terminal is switched into the alien frequencies frequency
Point；Alien frequencies frequency point is scanned by way of punching, can make terminal while not influencing the processing of current network frequency service,
High speed private network frequency point is scanned for and connected, business processing speed and performance of the terminal under LTE network mode is improved, mentions
High user experience.
Detailed description of the invention
Fig. 1 is a kind of cordless communication network reselecting method flow chart based on LTE of the embodiment of the present invention；
Fig. 2 is cordless communication network reselecting method flow chart of the another kind of the embodiment of the present invention based on LTE；
Fig. 3 is a kind of cordless communication network gravity concentration apparatus structural schematic diagram based on LTE of the embodiment of the present invention.
Specific embodiment
As described in the background art, terminal is during high-speed motion, when network mode is fallen on 4G LTE public network,
Due to 4G LTE public network and 4G high speed private network will not configuring adjacent cell relationship, the prior art by terminating the business of 4G LTE public network,
Again net is searched, to find high speed private network cell.Business processing professional ability decline of the terminal under 4G LTE mode, in turn
Lead to poor user experience.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
High speed private network alleged by the embodiment of the present invention refers to using private network form construction, to support in high-speed moving state
The network of terminal.The base station of high speed private network has continuity and succession, and neighbor cell relation is fixed, so as in high speed
The terminal of moving condition provides excellent network service.
When falling to LTE public network to guarantee user terminal in high-speed cruising, 4G LTE bring can also benefit from
Smooth speed of surfing the Internet improves LTE service process performance of the user terminal under High-speed Circumstance, it is necessary to terminal be made to pass through self-ability
It returns on high speed private network.The embodiment of the present invention is to search for as early as possible in the case where not influencing current business and be connected to LTE high speed
Private network makes user have relatively good 4G signal usage experience.
Fig. 1 is a kind of cordless communication network reselecting method flow chart based on LTE of the embodiment of the present invention.
Fig. 1 is please referred to, the cordless communication network reselecting method based on LTE includes:
Step S101 judges the terminal after public network of the terminal other than from high speed private network off-grid to the high speed private network
Whether high-speed mode is in.
In the present embodiment, the applicable scene of the cordless communication network reselecting method based on LTE is that terminal is in high-speed mode,
I.e. terminal is in high-speed cruising；In this case, when the network connection mode of terminal is high speed private network, the 4G business processing of terminal
Speed is fast.When the network connection mode of terminal is from high speed private network off-grid to the public network of LTE public network or other network formats, terminal
Have following several situations: terminal is in high-speed mobile, but terminal is disconnected with high speed private network；It is mobile that terminal is in non-high-speed
Mode, the state mobile in non-high-speed.Therefore, it is necessary to determine the state of terminal, if being in high-speed mode, it is based on
Otherwise the cordless communication network gravity treatment of LTE in the case where terminal is in non-high-speed Move Mode, is done nothing.
In specific implementation, judge whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
When the movement speed of terminal reaches setting speed, judge that the terminal is in high-speed mode, wherein the setting speed is terminal
The specified speed of service of carrier under corresponding high-speed mobile scene or a certain proper proportion of specified travelling speed.Terminal is high
When speed is mobile, Doppler effect will lead to the swing of terminal FM wave frequency, and the movement of terminal can be obtained according to the amplitude of frequency deviation
Speed, judges whether the terminal is in high-speed mode.
Step S102 while receiving the business of current frequency point, leads to if the terminal is in the high-speed mode
The mode for crossing punching scans one or more alien frequencies frequency points, to judge whether the alien frequencies frequency point belongs to the high speed private network.
In the present embodiment, if the terminal is in the high-speed mode, while receiving the business of current frequency point,
One or more alien frequencies frequency points are scanned by way of punching.Furthermore, the signal that can be directed to the alien frequencies frequency point is strong
Optimal cell is spent, the network configuration information of the alien frequencies frequency point is obtained by parsing；Judged according to the network configuration information
Whether the alien frequencies frequency point belongs to the high speed private network.
In specific implementation, the information of the corresponding cell of the alien frequencies frequency point is obtained by the first punch operation.Wherein, due to
Usually all only one receiver, synchronization can only receive signal on a frequency point to UE.Before carrying out different frequency scanning, it is
Current business is not influenced, is needed in LTE through good Scheduling Design.Wherein, punch operation, which refers to, is connecting currently
On the basis of business frequency connection, one or more measurements gap (GAP) are generated in the time domain, when the measurement GAP is one section
Between, it allows UE to switch away from current business frequency and is operated to other alien frequencies frequency points, after measurement GAP, UE continues back
Business is received on to previous business frequency.
In specific implementation, in the network configuration information of high speed private network, high speed indicates that (High Speed Flag) is set as
"true" (TRUE), and in the network configuration information of the public network of LTE public network or other network formats, high speed indicates (High Speed
Flag it) is set as "false" (FALSE), therefore can judge whether the alien frequencies frequency point belongs to by the network configuration information of subdistrict frequency point
In the high speed private network.
In the present embodiment, one or more alien frequencies frequency points are scanned, the alien frequencies frequency point includes one or more of: full range
The history frequency point of section frequency point and the high speed private network.If terminal connected high speed private network before searching net scanning, in terminal
The prior information of high speed private network history frequency point can be preserved, in such a case, it is possible to which history frequency point described in priority scan, guarantees
Terminal can return to high speed private network connection status as soon as possible；Do not have the feelings of the prior information of high speed private network history frequency point in terminal
Under condition, full frequency band frequency point can be scanned, each alien frequencies frequency point is searched in full range segment limit.Then for each alien frequencies frequency point
The optimal cell of signal strength obtains the network configuration information of the alien frequencies frequency point by parsing, to judge whether it belongs to height
Fast private network.
In specific implementation, terminal needs first to get the system information of the cell before accessing cell, with the clearly cell
How to configure, correctly to work in the cell.Wherein, the network configuration information High Speed of high speed private network
Flag is arranged in system message SIB2, so needing to parse SIB2 information.Cell is believed by logic channel Broadcasting Control
All UEs of the road (Broadcast Control Channel, BCCH) into the cell send system information.System information packet
Include Master Information Block (Master Information Block, MIB) and multiple system messages.MIB includes some limited but important
Also the parameter of most frequent transmission, UE obtain other system messages using these parameters.System message is with system information block
The mode tissue of (System Information Block, SIB), each SIB contains a system relevant to some function
Column parameter sets.Wherein, SIB1 includes to be used to judge cell if appropriate for the parameter and other SIB selected for cell
Time domain scheduling information.SIB2 includes the message of public or shared channel, general to all UE.SIB3~SIB8 includes current frequency point
(intro-frequency), alien frequencies frequency point (inter-frequency) and different intersystem cell (inter-RAT) gravity treatments
Relevant parameter.SIB9 includes the name of home base station (home eNodeB).SIB10~SIB12 includes earthquake, earthquake and sea
Howl early warning system (ETWS) and Confederation Mondial des Activites Sub Aquatiques (World Confederation of Underwater
Activities CMAS) warning message.SIB13 includes multimedia broadcast multi-broadcasting business (Multimedia Broadcast
Multicast Service) related control information.
In the present embodiment, mib information, SIB1 information and SIB2 information are mainly obtained.Institute is parsed by the second punch operation
The mib information for stating cell obtains the bandwidth information of the cell；The SIB1 letter of the cell is parsed by third punch operation
Breath, obtains the signal strength of the cell；The SIB2 information that the cell is parsed by the 4th punch operation obtains described
Network configuration information.The time span of first punch operation is 6ms；Second punch operation and third punching behaviour
The time span of work is at least 2ms；The time span of 4th punch operation is 2~41ms.Above-mentioned punching time span compared with
It is short, the business processing of current frequency point can not be influenced.Terminal can be made not influence the same of current network frequency service processing
When, high speed private network frequency point is scanned for and connected, business processing speed and property of the terminal under LTE network mode are improved
Can, improve user experience.
It is understood that the time span of first punch operation, second punch operation, the third are punched
The time span of the time span of operation and the 4th punch operation can do the adjustment of adaptability according to actual application environment.
In specific implementation, the transmission channel of mib information is carrying broadcast channel (Broadcast Channel, BCH), object
Reason channel is Physical Broadcast Channel (Physical Broadcast Control Channel, PBCH), and BCH is served only for transmitting
Mib information, and it is mapped to physical channel PBCH；UE detects PBCH by the second punch operation, can obtain following information:
(1) the downlink system bandwidth of cell, PHICH configuration, System Frame Number (System Frame Number, SFN),
In, what is got is the most-significant byte of SFN, and minimum 2 needs are obtained in PBCH blind examination；
(2) number of the specific antenna port of cell (Cell-specific Antenna Port)；
(3) transmission diversity mode (Transmit-Diversity for L1/L2 control signal (control signal)
Scheme): PBCH and L1/L2control signal can only use single antenna transmissions or transmission diversity, if using transmission
Diversity, PBCH and L1/L2 control signal will use identical multi-antenna transmission diversity mode.
In specific implementation, whether the parameter notice UE of SIB1 information continues to other SIB information.Under SIB1 information passes through
Uplink physical channels (Physical Downlink Control Channel, PDCCH) are transmitted, and are mapped to physics
DSCH Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH), UE needs to read the control in PDCCH
Information can correctly demodulate the data in PDSCH.By parsing SIB1 information, to obtain SIB2 information.SIB2 information includes
Public wireless resource configuration includes the network configuration information of high speed private network.SIB2 information is passed by PDCCH
It is defeated, and it is mapped to PDSCH, UE needs to read the control information in PDCCH, can correctly demodulate the network configuration in PDSCH
Information.
In the present embodiment, when all alien frequencies frequency points are all not belonging to the high speed private network, to one or more alien frequencies
Frequency point carries out periodic scan according to the second setting period；Due to mib information, the position of SIB1 information and SIB2 information in the time domain
It is fixed for setting with the period, thus by parsing be unable to get the network configuration information when, to the alien frequencies frequency point according to
First setting period carried out periodical parsing；Show the alien frequencies frequency point not in the network configuration information of the alien frequencies frequency point
When belonging to the high speed private network, scans other alien frequencies frequency points and parsed.
It is understood that the time span in the first setting period and the second setting period can be according to reality
Application environment does the adjustment of adaptability, and the embodiment of the present invention is without limitation.
The terminal is switched to the alien frequencies if the alien frequencies frequency point belongs to the high speed private network by step S103
Frequency point.
In the present embodiment, show the alien frequencies frequency point for high speed in the network configuration information of the current alien frequencies frequency point parsed
When private network, the terminal is switched into the alien frequencies frequency point, terminal is attached with high speed private network, realizes the public affairs under LTE standard
Net and high speed private network are switched fast.
Preferably, when terminal is in high-speed rail scene, the cordless communication network reselecting method based on LTE of the embodiment of the present invention
So that traffic handing capacity of the terminal under LTE network standard improves.
Fig. 2 is cordless communication network reselecting method flow chart of the another kind of the embodiment of the present invention based on LTE.
Referring to figure 2., the cordless communication network reselecting method based on LTE includes:
Step S201 judges whether the network mode of terminal is public network, if so, S202 is entered step, otherwise, into step
Rapid S204.
Step S202, judges whether the network mode of terminal is in high-speed mode, if so, S203 is entered step, otherwise,
Enter step S204.
In the present embodiment, the applicable scene of the cordless communication network reselecting method based on LTE is that terminal is in high-speed mode,
I.e. terminal is in high-speed cruising；In this case, when the network connection mode of terminal is high speed private network, the 4G business processing of terminal
Speed is fast.When the network connection mode of terminal is from high speed private network off-grid to the public network of LTE public network or other network formats, terminal
Have following several situations: high speed private network and terminal are disconnected and are in non-high-speed Move Mode with terminal.So needing to determine eventually
The state at end carries out the cordless communication network gravity treatment based on LTE if being in high-speed mode.
Step S203 scans one or more alien frequencies while receiving the business of current frequency point by way of punching
Frequency point.
In specific implementation, the information of the corresponding cell of the alien frequencies frequency point is obtained by the first punch operation.Wherein, due to
Usually all only one receiver, synchronization can only receive signal on a frequency point to UE.Before carrying out different frequency scanning, it is
Current business is not influenced, is needed in LTE through good Scheduling Design.Punch operation, which refers to, generates a measurement GAP, institute
Measurement GAP is stated as a period of time, allows UE to leave current business frequency and is operated to other frequency points.
Step S204 keeps current state.
Step S205 obtains the network of alien frequencies frequency point by parsing for the cell that the signal strength of alien frequencies frequency point is optimal
Configuration information.
In specific implementation, the network configuration information High Speed Flag of high speed private network is set as TRUE, LTE public network or
The network configuration information High Speed Flag of the public network of other network formats is set as FALSE, therefore can pass through subdistrict frequency point
Network configuration information judge whether the alien frequencies frequency point belongs to the high speed private network.The network configuration information High of high speed private network
Speed Flag is arranged in system message SIB2, so needing to parse SIB2 information.
In the present embodiment, mib information, SIB1 information and SIB2 information are mainly obtained.Institute is parsed by the second punch operation
The mib information for stating cell obtains the bandwidth information of the cell；The SIB1 letter of the cell is parsed by third punch operation
Breath, obtains the signal strength of the cell；The SIB2 information that the cell is parsed by the 4th punch operation obtains described
Network configuration information.The time span of first punch operation is 6ms；Second punch operation and third punching behaviour
The time span of work is at least 2ms；The time span of 4th punch operation is 2~41ms.Above-mentioned punching time span compared with
It is short, the business processing of current frequency point can not be influenced.Terminal can be made not influence the same of current network frequency service processing
When, high speed private network frequency point is scanned for and connected, business processing speed and property of the terminal under LTE network mode are improved
Can, improve user experience.
Step S206, judges whether alien frequencies frequency point belongs to the high speed private network, if it is, S207 is entered step, otherwise,
Enter step S208.
Terminal is switched to the alien frequencies frequency point by step S207.
In the present embodiment, show the alien frequencies frequency point for high speed in the network configuration information of the current alien frequencies frequency point parsed
When private network, the terminal is switched into the alien frequencies frequency point, terminal is attached with high speed private network, realizes the public affairs under LTE standard
Net and high speed private network are switched fast.
Step S208 scans other alien frequencies frequency points.
When the network configuration information of the alien frequencies frequency point shows that the alien frequencies frequency point is not belonging to the high speed private network,
It scans other alien frequencies frequency points and is parsed, it is known that find the alien frequencies frequency point for belonging to the high speed private network.
Specific embodiment can refer to aforementioned corresponding embodiment, and details are not described herein again.
Fig. 3 is a kind of cordless communication network gravity concentration apparatus structural schematic diagram based on LTE of the embodiment of the present invention.
Referring to figure 3., together referring to Fig.1, the cordless communication network gravity concentration apparatus 30 based on LTE includes: mode decision list
Member 301 judges whether the terminal is in high speed after public network of the terminal other than from high speed private network off-grid to the high speed private network
Mode.Wherein, judge whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
Web search unit 302 is suitable for when the terminal is in the high-speed mode, then receives the business of current frequency point
While, one or more alien frequencies frequency points are scanned by way of punching to judge whether the alien frequencies frequency point belongs to the high speed
Private network.Wherein, the alien frequencies frequency point includes one or more of, the history frequency point of full frequency band frequency point and the high speed private network.
When terminal saves the prior information of the history frequency point, the history frequency point is scanned；Otherwise, the full frequency band frequency point is scanned.
In the present embodiment, the web search unit 302 includes: resolution unit 304, for the signal of the alien frequencies frequency point
The optimal cell of intensity obtains the network configuration information of the alien frequencies frequency point by parsing；Network judging unit 305, according to institute
It states network configuration information and judges whether the alien frequencies frequency point belongs to the high speed private network.
Network switch unit 303, suitable for when the alien frequencies frequency point belongs to the high speed private network, the terminal is switched to
The alien frequencies frequency point.
The resolution unit 304 by parsing be unable to get the network configuration information when, to the alien frequencies frequency point according to
First setting period carried out periodical parsing.
In the present embodiment, the resolution unit 304 shows described different in the network configuration information of the alien frequencies frequency point
Again and again it when point is not belonging to the high speed private network, to other alien frequencies frequency points and parses.Institute is all not belonging in all alien frequencies frequency points
When stating high speed private network, the web search unit 302 carries out the one or more alien frequencies frequency point according to the second setting period
Periodic scan.
In the present embodiment, the web search unit 302 is corresponding by the first punch operation acquisition alien frequencies frequency point
The information of cell；The resolution unit parses the mib information of the cell by the second punch operation, obtains the band of the cell
Wide information；The SIB1 information that the cell is parsed by third punch operation obtains the signal strength of the cell；Pass through
4th punch operation parses the SIB2 information of the cell, obtains the network configuration information.
In specific implementation, the time span of first punch operation is 6ms；Second punch operation and the third
The time span of punch operation is at least 2ms；The time span of 4th punch operation is 2~41ms.
Specific embodiment can refer to aforementioned corresponding embodiment, and details are not described herein again.
The embodiment of the invention also discloses a kind of terminal, the terminal includes the cordless communication network weight based on LTE
Screening device 30.
The embodiment of the present invention scans alien frequencies frequency point when terminal falls to public network from high speed private network by way of punching,
It can make terminal while not influencing the processing of current network frequency service, high speed private network frequency point is scanned for and connected,
Business processing speed and performance of the terminal under LTE network mode are improved, user experience is improved.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (21)
1. a kind of cordless communication network reselecting method based on LTE characterized by comprising
After public network of the terminal other than from high speed private network off-grid to the high speed private network, judge whether the terminal is in high speed mould
Formula；
If the terminal is in the high-speed mode, while receiving the business of current frequency point, by way of punching
One or more alien frequencies frequency points are scanned, to judge whether the alien frequencies frequency point belongs to the high speed private network, punch operation refers to
On the basis of connecting the current frequency point, one or more measurement gaps are generated in the time domain；
If the alien frequencies frequency point belongs to the high speed private network, the terminal is switched into the alien frequencies frequency point.
2. the cordless communication network reselecting method according to claim 1 based on LTE, which is characterized in that scanning is described different
Again and again point includes: to judge whether the alien frequencies frequency point belongs to the high speed private network
For the cell that the signal strength of the alien frequencies frequency point is optimal, the network configuration letter of the alien frequencies frequency point is obtained by parsing
Breath；
Judge whether the alien frequencies frequency point belongs to the high speed private network according to the network configuration information.
3. the cordless communication network reselecting method according to claim 2 based on LTE, which is characterized in that further include: pass through
When parsing is unable to get the network configuration information, periodical parsing is carried out according to the first setting period to the alien frequencies frequency point.
4. the cordless communication network reselecting method according to claim 2 based on LTE, which is characterized in that further include: in institute
When stating the network configuration information of alien frequencies frequency point and showing that the alien frequencies frequency point is not belonging to the high speed private network, other alien frequencies are scanned
Frequency point is simultaneously parsed.
5. the cordless communication network reselecting method according to claim 4 based on LTE, which is characterized in that further include: in institute
When having alien frequencies frequency point to be all not belonging to the high speed private network, one or more alien frequencies frequency points are carried out according to the second setting period
Periodic scan.
6. the cordless communication network reselecting method according to claim 2 based on LTE, which is characterized in that for described different
Again and again the optimal cell of the signal strength put obtains the network configuration information of the alien frequencies frequency point and includes: by parsing
The information of the corresponding cell of the alien frequencies frequency point is obtained by the first punch operation；
The mib information that the cell is parsed by the second punch operation obtains the bandwidth information of the cell；
The SIB1 information that the cell is parsed by third punch operation obtains the signal strength of the cell；
The SIB2 information that the cell is parsed by the 4th punch operation obtains the network configuration information.
7. the cordless communication network reselecting method according to claim 6 based on LTE, which is characterized in that described first dozen
The time span of hole operation is 6ms；The time span of second punch operation and the third punch operation is at least 2ms；
The time span of 4th punch operation is 2~41ms.
8. the cordless communication network reselecting method according to claim 1 based on LTE, which is characterized in that the alien frequencies frequency
Point includes one or more of, the history frequency point of full frequency band frequency point and the high speed private network.
9. the cordless communication network reselecting method according to claim 8 based on LTE, which is characterized in that saved in terminal
When the prior information of the history frequency point, the history frequency point is scanned；Otherwise, the full frequency band frequency point is scanned.
10. the cordless communication network reselecting method according to any one of claim 1 to 9 based on LTE, feature exist
In judging whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
11. a kind of cordless communication network gravity concentration apparatus based on LTE characterized by comprising
Mode determination judges the terminal after public network of the terminal other than from high speed private network off-grid to the high speed private network
Whether high-speed mode is in；
Web search unit is suitable for when the terminal is in the high-speed mode, while receiving the business of current frequency point,
One or more alien frequencies frequency points are scanned by way of punching to judge whether the alien frequencies frequency point belongs to the high speed private network, beaten
Hole operation refers on the basis of connecting the current frequency point, generates one or more measurement gaps in the time domain；
Network switch unit, suitable for the terminal being switched to described different when the alien frequencies frequency point belongs to the high speed private network
Frequent point.
12. the cordless communication network gravity concentration apparatus according to claim 11 based on LTE, which is characterized in that the network
Search unit includes:
Resolution unit obtains the alien frequencies frequency point by parsing for the cell that the signal strength of the alien frequencies frequency point is optimal
Network configuration information；
Network judging unit judges whether the alien frequencies frequency point belongs to the high speed private network according to the network configuration information.
13. the cordless communication network gravity concentration apparatus according to claim 12 based on LTE, which is characterized in that further include: institute
State resolution unit by parsing be unable to get the network configuration information when, to the alien frequencies frequency point according to first setting the period into
Row periodically parsing.
14. the cordless communication network gravity concentration apparatus according to claim 12 based on LTE, which is characterized in that further include: institute
It states resolution unit and shows that the alien frequencies frequency point is not belonging to the high speed private network in the network configuration information of the alien frequencies frequency point
When, to other alien frequencies frequency points and parse.
15. the cordless communication network gravity concentration apparatus according to claim 14 based on LTE, which is characterized in that further include:
When all alien frequencies frequency points are all not belonging to the high speed private network, the web search unit presses one or more alien frequencies frequency points
Periodic scan is carried out according to the second setting period.
16. the cordless communication network gravity concentration apparatus according to claim 12 based on LTE, which is characterized in that the network
Search unit obtains the information of the corresponding cell of the alien frequencies frequency point by the first punch operation；The resolution unit passes through second
Punch operation parses the mib information of the cell, obtains the bandwidth information of the cell；By described in the parsing of third punch operation
The SIB1 information of cell obtains the signal strength of the cell；The SIB2 of the cell is parsed by the 4th punch operation
Information obtains the network configuration information.
17. the cordless communication network gravity concentration apparatus according to claim 16 based on LTE, which is characterized in that described first
The time span of punch operation is 6ms；The time span of second punch operation and the third punch operation is at least
2ms；The time span of 4th punch operation is 2~41ms.
18. the cordless communication network gravity concentration apparatus according to claim 11 based on LTE, which is characterized in that the alien frequencies
Frequency point includes one or more of, the history frequency point of full frequency band frequency point and the high speed private network.
19. the cordless communication network gravity concentration apparatus according to claim 18 based on LTE, which is characterized in that protected in terminal
When depositing the prior information of the history frequency point, the history frequency point is scanned；Otherwise, the full frequency band frequency point is scanned.
20. the cordless communication network gravity concentration apparatus described in any one of 1 to 19 based on LTE, feature exist according to claim 1
In judging whether the terminal is in high-speed mode according to the movement speed of the terminal or frequency deviation.
21. a kind of terminal, which is characterized in that including the described in any item wireless communications based on LTE of such as claim 11 to 20
Network reselection device.
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| CN107567046B (en) * | 2017-08-25 | 2021-03-12 | 维沃移动通信有限公司 | Cell access method and mobile terminal |
| CN109936862B (en) * | 2017-12-15 | 2021-09-03 | 中国移动通信集团浙江有限公司 | Method and device for non-private network user to migrate out of private network and electronic equipment |
| CN110035409A (en) * | 2018-01-12 | 2019-07-19 | 联发科技股份有限公司 | Method and electronic device for being communicated on high-speed railway |
| US20210250837A1 (en) * | 2018-05-18 | 2021-08-12 | Beijing Xiaomi Mobile Software Co., Ltd. | Cell reselection method and apparatus, and storage medium |
| CN110891240B (en) * | 2018-09-10 | 2021-06-01 | 中国移动通信集团广东有限公司 | Method and device for returning user equipment to private network |
| CN109714800B (en) * | 2019-01-10 | 2021-06-04 | 维沃移动通信有限公司 | Information query method, user equipment, server and storage medium |
| CN111866968B (en) * | 2019-04-30 | 2023-04-25 | 成都鼎桥通信技术有限公司 | Network mode switching method and device |
| CN112055389B (en) | 2019-06-06 | 2022-04-29 | 华为技术有限公司 | Communication network searching method and device |
| CN112788677B (en) * | 2019-11-08 | 2023-03-14 | 成都鼎桥通信技术有限公司 | Method and device for switching public network and private network |
| CN113055950B (en) * | 2019-12-27 | 2023-04-11 | 成都鼎桥通信技术有限公司 | Method and device for switching public network and private network |
| CN111787578B (en) * | 2020-06-23 | 2022-11-11 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Networking system and method of mobile communication network and terminal access method |
| CN114585057A (en) * | 2022-04-15 | 2022-06-03 | 南京星思半导体有限公司 | Cell search method, device, equipment, storage medium, program product and terminal |
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