CN106879037A - 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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- CN106879037A CN106879037A CN201510926297.9A CN201510926297A CN106879037A CN 106879037 A CN106879037 A CN 106879037A CN 201510926297 A CN201510926297 A CN 201510926297A CN 106879037 A CN106879037 A CN 106879037A
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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 based on LTE, device and terminal, the cordless communication network reselecting method based on LTE include：After the public network beyond terminal is from high speed private network off-grid to the high speed private network, judge the terminal whether in fast mode；If the terminal is in the fast mode, while the business of current frequency is received, one or more alien frequencies frequencies are scanned by way of punching, to judge whether the alien frequencies frequency belongs to the high speed private network；If the alien frequencies frequency belongs to the high speed private network, the terminal is switched into the alien frequencies frequency.Cordless communication network reselecting method, device and terminal based on LTE scan alien frequencies frequency by way of punching, can cause terminal while not influenceing current network frequency service to process, high speed private network frequency is scanned for and connected, Business Processing speed and performance of the terminal under LTE network pattern are improve, Consumer's Experience is improve.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of cordless communication network weight based on LTE
Choosing method, device and terminal.
Background technology
Prior art has carried out more research to the GSM under fast moving scenes,
Such as railway scene.GSM-R is GSM of the Europe exclusively for railway exploitation, also early in 2000
Year is defined as the technical system and developing direction of China railways digital mobile communication network by the Ministry of Railways.With
3G technology is quickly grown, and preferable solution is provided to solve high rate communication.But 2G, 3G
The radio interface rate that technology can be provided is limited, especially the high-speed railway epoch bring, 2G, 3G communication system
System Doppler effect under high-speed mobile is even more serious, and the increase of speed causes GSM to switch frequency
Numerous and then influence speech quality even results in the deterioration of cutting off rate, and the signal that totally-enclosed compartment brings penetrates damage
Consumption is big, and radio interface rate is have impact on to a certain extent and then Consumer's Experience etc. is influenceed.
Long Term Evolution (Long Term Evolution, LTE) is by third generation partner program (The 3rd
Generation Partnership Project, 3GPP) UMTS (Universal that organizes to set up
Mobile Telecommunications System, UMTS) technical standard Long Term Evolution, LTE technologies are
Long Term Evolution, has begun to commonly use under high-speed railway scene.
In the prior art, when user terminal (User Equipment, UE) is in idle condition, in cell
Need to be continued for cell reselection after selection, so as to reside in that priority is higher or channel quality more
Good cell.Network can reach the resident purposes of control UE by setting the priority of different frequent points.
Meanwhile, UE will select top-quality cell in certain frequency, so as to preferably for it provides service.It is small
Being mainly for area's gravity treatment solves the problems, such as wireless coverage.UE is transported in high-speed cruising for example in high-speed railway
During row, movement rate is higher, for example, can reach 350Km/h, in order to ensure the terminal energy on high-speed railway
Business Processing is carried out under 4G LTE, this application scenarios is carried out current LTE technologies for high-speed railway
Optimization, it is basic to use private network form construction, that is, supported using high-speed railway private network at a high speed
Terminal on railway.The base station of high-speed railway private network has continuity and succession, and neighbor cell relation is fixed,
Such that it is able to provide more excellent service for the terminal on high-speed railway.
But, terminal is during high-speed motion, it is possible to drop to 4G LTE from high-speed railway private network
Public network, due to 4G LTE public networks and 4G high-speed railways private network will not configuring adjacent cell relation, prior art leads to
The business of 4G LTE public networks can often be terminated, high-speed railway private network is found and switched to by searching net again small
Area.Adopt in such a way, Business Processing professional ability of the terminal in net handoff procedure is searched declines, and enters
And cause poor user experience.
The content of the invention
Present invention solves the technical problem that being how to improve user terminal at the LTE business under High-speed Circumstance
Rationality energy.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of cordless communication network based on LTE
Reselecting method, the cordless communication network reselecting method based on LTE includes：
After the public network beyond terminal is from high speed private network off-grid to the high speed private network, judge that the terminal is
It is no in fast mode；
If the terminal is in the fast mode, while the business of current frequency is received, lead to
The mode for crossing punching scans one or more alien frequencies frequencies, to judge whether the alien frequencies frequency belongs to described
High speed private network；
If the alien frequencies frequency belongs to the high speed private network, the terminal is switched into the alien frequencies frequently
Point.
Optionally, the alien frequencies frequency is scanned to judge whether the alien frequencies frequency belongs to the high speed private network
Including：
For the cell that the signal intensity of the alien frequencies frequency is optimal, the alien frequencies frequency is obtained by parsing
Network configuration information；
Judge whether the alien frequencies frequency belongs to the high speed private network according to the network configuration information.
Optionally, the cordless communication network reselecting method based on LTE also includes：Cannot by parsing
When obtaining the network configuration information, periodical solution is carried out according to the first setting cycle to the alien frequencies frequency
Analysis.
Optionally, the cordless communication network reselecting method based on LTE also includes：In the alien frequencies frequently
When the network configuration information of point shows that the alien frequencies frequency is not belonging to the high speed private network, other are scanned
Alien frequencies frequency is simultaneously parsed.
Optionally, the cordless communication network reselecting method based on LTE also includes：In all alien frequencies frequently
When point is all not belonging to the high speed private network, to alien frequencies frequency one or more described according to the second setting cycle
Carry out periodic scan.
Optionally, for the cell that the signal intensity of the alien frequencies frequency is optimal, obtain described by parsing
The network configuration information of alien frequencies frequency includes：
The information of the corresponding cell of the alien frequencies frequency is obtained by the first punch operation；
The mib information of the cell is parsed by the second punch operation, the bandwidth information of the cell is obtained；
The SIB1 information of the cell is parsed by the 3rd punch operation, the signal of the cell is obtained
Intensity；
The SIB2 information of the cell is parsed by the 4th punch operation, the network configuration information is obtained.
Optionally, the time span of first punch operation is 6ms；Second punch operation and institute
The time span for stating the 3rd punch operation is at least 2ms；The time span of the 4th punch operation is
2~41ms.
Optionally, the alien frequencies frequency includes one or more of, and full frequency band frequency point and the high speed are special
The history frequency of net.
Optionally, when terminal preserves the prior information of the history frequency, the history frequency is scanned；
Otherwise, the full frequency band frequency point is scanned.
Optionally, whether the translational speed or frequency deviation according to the terminal judge the terminal in high speed mould
Formula.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of radio communication based on LTE
Network reselection device, the cordless communication network gravity concentration apparatus based on LTE includes：
Mode determination, after the public network beyond terminal is from high speed private network off-grid to the high speed private network,
Judge the terminal whether in fast mode；
Web search unit, is suitable to, when the terminal is in the fast mode, receiving current frequency
Business while, punching by way of scan one or more alien frequencies frequencies to judge the alien frequencies frequently
Whether point belongs to the high speed private network；
Network switch unit, is suitable to when the alien frequencies frequency belongs to the high speed private network, by the terminal
Switch to the alien frequencies frequency.
Optionally, the web search unit includes：
Resolution unit, for the cell that the signal intensity of the alien frequencies frequency is optimal, institute is obtained by parsing
State the network configuration information of alien frequencies frequency；
Network judging unit, according to the network configuration information judges whether the alien frequencies frequency belong to
High speed private network.
Optionally, the cordless communication network gravity concentration apparatus based on LTE also includes：The resolution unit
When cannot obtain the network configuration information by parsing, to the alien frequencies frequency according to the first setting cycle
Carry out periodicity parsing.
Optionally, the cordless communication network gravity concentration apparatus based on LTE also includes：The resolution unit
Show that the alien frequencies frequency is not belonging to the high speed private network in the network configuration information of the alien frequencies frequency
When, to other alien frequencies frequencies and parse.
Optionally, the cordless communication network gravity concentration apparatus based on LTE also includes：In all alien frequencies frequently
When point is all not belonging to the high speed private network, the web search unit is to alien frequencies frequency one or more described
Periodic scan is carried out according to the second setting cycle.
Optionally, the web search unit is corresponding by the first punch operation acquisition alien frequencies frequency
The information of cell；The resolution unit parses the mib information of the cell by the second punch operation, obtains
To the bandwidth information of the cell；The SIB1 information of the cell is parsed by the 3rd punch operation, is obtained
The signal intensity of the cell；The SIB2 information of the cell is parsed by the 4th punch operation, is obtained
To the network configuration information.
Optionally, the time span of first punch operation is 6ms；Second punch operation and institute
The time span for stating the 3rd punch operation is at least 2ms；The time span of the 4th punch operation is
2~41ms.
Optionally, the alien frequencies frequency includes one or more of, and full frequency band frequency point and the high speed are special
The history frequency of net.
Optionally, when terminal preserves the prior information of the history frequency, the history frequency is scanned；
Otherwise, the full frequency band frequency point is scanned.
Optionally, whether the translational speed or frequency deviation according to the terminal judge the terminal in high speed mould
Formula.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of terminal, the terminal includes
Cordless communication network gravity concentration apparatus based on LTE.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
The present invention judges described after the public network beyond terminal is from high speed private network off-grid to the high speed private network
Whether terminal is in fast mode, so that terminal carries out network reselection operation；It is in the terminal described
During fast mode, while the business of current frequency is received, one or many is scanned by way of punching
Individual alien frequencies frequency to judge whether the alien frequencies frequency belongs to the high speed private network, and in the alien frequencies frequency
When belonging to the high speed private network, the terminal is switched into the alien frequencies frequency；Swept by way of punching
Alien frequencies frequency is retouched, terminal can be caused while not influenceing current network frequency service to process, at a high speed
Private network frequency is scanned for and connected, improve Business Processing speed of the terminal under LTE network pattern and
Performance, improves Consumer's Experience.
Brief description of the drawings
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 another cordless communication network reselecting method flow chart based on LTE of the embodiment of the present invention；
Fig. 3 is a kind of cordless communication network gravity concentration apparatus structural representation based on LTE of the embodiment of the present invention.
Specific embodiment
As described in the background art, during high-speed motion, network mode drops to 4G LTE to terminal
When on public network, due to 4G LTE public networks and 4G high speeds private network will not configuring adjacent cell relation, prior art leads to
The business for terminating 4G LTE public networks is crossed, net is searched again to find high speed private network cell.Terminal exists
Business Processing professional ability under 4G LTE patterns declines, and then causes poor user experience.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
Specific embodiment of the invention is described in detail.
High speed private network alleged by the embodiment of the present invention refers to be supported using private network form construction in shifting at a high speed
The network of the terminal of dynamic state.The base station of high speed private network has continuity and succession, and neighbor cell relation is solid
It is fixed, such that it is able to provide excellent network service for the terminal in high-speed moving state.
During in order to ensure that user terminal drops to LTE public networks in high-speed cruising, 4G is can also benefit from
The smooth speed of surfing the Internet that LTE brings, improves LTE service process performance of the user terminal under High-speed Circumstance,
Terminal must be made to be returned on high speed private network by self-ability.The embodiment of the present invention is not influence current industry
In the case of business, LTE high speed private networks are searched for and be connected to as early as possible, user there are relatively good 4G signals
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 refer to, the cordless communication network reselecting method based on LTE includes：
Step S101, after the public network beyond terminal is from high speed private network off-grid to the high speed private network, judges
Whether the terminal is in fast mode.
In the present embodiment, the applicable scene of the cordless communication network reselecting method based on LTE is in for terminal
Fast mode, i.e., terminal is in high-speed cruising；In this case, the network connection mode of terminal is at a high speed
During private network, the 4G Business Processing speed of terminal is fast.When the network connection mode of terminal is from high speed private network off-grid
To LTE public networks or other network formats public network when, terminal has following several situations：Terminal is moved in high speed
In dynamic, but terminal is disconnected with high speed private network；Terminal is in non-high-speed Move Mode, in not high
The mobile state of speed.Accordingly, it would be desirable to judge the state of terminal, if being in fast mode, it is based on
The cordless communication network gravity treatment of LTE, otherwise, in the case where terminal is in non-high-speed Move Mode, no
Carry out any operation.
In specific implementation, whether translational speed or frequency deviation according to the terminal judge the terminal in height
Fast mode.When the translational speed of terminal reaches setting speed, judge that the terminal is in fast mode, its
In, the setting speed be terminal correspondence high-speed mobile scene under carrier specified speed of service or
The a certain proper proportion of specified travelling speed.When terminal high-speed is moved, Doppler effect can cause terminal to be adjusted
Frequency wave frequency rate, is swung, and the translational speed of terminal can be obtained according to the amplitude of frequency deviation, judges that the terminal is
It is no in fast mode.
Step S102, if the terminal is in the fast mode, is receiving the business of current frequency
While, one or more alien frequencies frequencies are scanned by way of punching, to judge that the alien frequencies frequency is
It is no to belong to the high speed private network.
In the present embodiment, if the terminal is in the fast mode, the industry of current frequency is being received
While business, one or more alien frequencies frequencies are scanned by way of punching.Furthermore, can be with pin
The cell optimal to the signal intensity of the alien frequencies frequency, the network of the alien frequencies frequency is obtained by parsing
Configuration information；Judge whether the alien frequencies frequency belongs to the high speed private network according to the network configuration information.
In specific implementation, the information of the corresponding cell of the alien frequencies frequency is obtained by the first punch operation.
Wherein, due to the usual all only one of which receivers of UE, synchronization can only receive signal on a frequency.
Before different frequency scanning is carried out, in order to not influence current business, it is necessary to by good scheduling in LTE
Design.Wherein, punch operation refers on the basis of current business frequency connection is connected, in time domain
Produce one or more measurement gaps (GAP), the measurement GAP is a period of time, allow UE switch from
Open current business frequency to be operated to other alien frequencies frequencies, after measurement GAP, UE continues
Return to and receive business on previous business frequency.
In specific implementation, in the network configuration information of high speed private network, indicate (High Speed Flag) at a high speed
"true" (TRUE) is set to, and in the network configuration information of the public network of LTE public networks or other network formats,
Mark (High Speed Flag) is set to "false" (FALSE) at a high speed, therefore can be by the net of subdistrict frequency point
Network configuration information judges whether the alien frequencies frequency belongs to the high speed private network.
In the present embodiment, scan one or more alien frequencies frequencies, the alien frequencies frequency include it is following a kind of or
It is various：The history frequency of full frequency band frequency point and the high speed private network.If terminal connected before net scanning is searched
High speed private network is taken over, then the prior information of high speed private network history frequency can be preserved in terminal, in this feelings
Under condition, can be with history frequency described in priority scan, it is ensured that terminal can as soon as possible return to the connection of high speed private network
State；In the case where terminal does not possess the prior information of high speed private network history frequency, full range can be scanned
Section frequency, searches for each alien frequencies frequency in the range of full frequency band.Then for the signal of each alien frequencies frequency
The optimal cell of intensity, the network configuration information of the alien frequencies frequency is obtained by parsing, to judge that it is
It is no to belong to high speed private network.
In specific implementation, terminal before cell is accessed, it is necessary to first get the system information of the cell, with
Specify how the cell configures, correctly to be worked in the cell.Wherein, high speed private network
Network configuration information High Speed Flag are arranged in system message SIB2, so needing to parse SIB2
Information.Cell is by logic channel BCCH (Broadcast Control Channel, BCCH)
System information is sent to all UE in the cell.System information includes Master Information Block (Master
Information Block, MIB) and multiple system messages.MIB is limited but important also most frequent comprising some
The parameter of transmission, UE uses these parameter acquirings others system message.System message is with system information
The mode tissue of block (System Information Block, SIB), each SIB is contained and certain function
Related series of parameters set.Wherein, SIB1 is included and is used for judging that cell is selected if appropriate for for cell
The parameter selected, and other SIB time domain schedule information.SIB2 includes public or shared channel message,
It is general to all UE.SIB3~SIB8 includes current frequency (intro-frequency), alien frequencies frequency
(inter-frequency) the related parameter of cell (inter-RAT) gravity treatment and between different system.SIB9 includes house
With the name of base station (home eNodeB).SIB10~SIB12 includes earthquake, earthquake and tsunami warning system
And Confederation Mondial des Activites Sub Aquatiques (World Confederation of Underwater Activities (ETWS)
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.By second dozen
Hole operation parses the mib information of the cell, obtains the bandwidth information of the cell；By the 3rd punching
The SIB1 information of the operation parsing cell, obtains the signal intensity of the cell；By the 4th dozen
Hole operation parses the SIB2 information of the cell, obtains the network configuration information.The first punching behaviour
The time span of work is 6ms；The time span of second punch operation and the 3rd punch operation is
At least 2ms；The time span of the 4th punch operation is 2~41ms.Above-mentioned punching time span is shorter,
The Business Processing of current frequency can not be influenceed.Can cause that terminal is not influenceing current network frequency service
While treatment, high speed private network frequency is scanned for and connected, improve terminal in LTE network pattern
Under Business Processing speed and performance, improve Consumer's Experience.
It is understood that the time span of first punch operation, second punch operation, institute
The time span of the time span and the 4th punch operation of stating the 3rd punch operation can be answered according to actual
The adjustment of adaptability is made of environment.
In specific implementation, the transmission channel of mib information for carry broadcast channel (Broadcast Channel,
BCH), physical channel is Physical Broadcast Channel (Physical Broadcast Control Channel, PBCH),
BCH is served only for transmitting mib information, and is mapped to physical channel PBCH；UE is by the second punching behaviour
Make detection PBCH, following information can be obtained：
(1) the downlink system bandwidth of cell, PHICH configuration, System Frame Number (System Frame Number,
SFN), wherein, what is got is the most-significant byte of SFN, and minimum 2 needs are obtained in PBCH blind checks；
(2) number of the specific antenna port of cell (Cell-specific Antenna Port)；
(3) for the transmission diversity mode (Transmit-Diversity of L1/L2 control signals (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 signals can use identical multi-antenna transmitting transmission diversity mould
Formula.
In specific implementation, the parameter of SIB1 information notifies whether UE continues to other SIB information.SIB1
Information is entered by downlink physical (Physical Downlink Control Channel, PDCCH)
Row transmission, and be mapped to Physical Downlink Shared Channel (Physical Downlink Shared Channel,
PDSCH), UE needs to read the control information in PDCCH, in can correctly demodulating PDSCH
Data.SIB2 information is obtained by parsing SIB1 information.SIB2 packets contain public wireless money
Source configuration information, i.e., including the network configuration information of high speed private network.SIB2 information is carried out by PDCCH
Transmission, and PDSCH is mapped to, UE needs to read the control information in PDCCH, can correctly solve
Adjust the network configuration information in PDSCH.
In the present embodiment, when all alien frequencies frequencies are all not belonging to the high speed private network, to one or more
The alien frequencies frequency carries out periodic scan according to the second setting cycle；Due to mib information, SIB1 information
Position and cycle with SIB2 information in time domain are fixed, so cannot obtain described by parsing
During network configuration information, periodicity parsing is carried out according to the first setting cycle to the alien frequencies frequency；Institute
When the network configuration information for stating alien frequencies frequency shows that the alien frequencies frequency is not belonging to the high speed private network,
Scan other alien frequencies frequencies and parsed.
It is understood that the time span of first setting cycle and second setting cycle can be with
The adjustment of adaptability is done according to actual application environment, the embodiment of the present invention is without limitation.
Step S103, if the alien frequencies frequency belongs to the high speed private network, the terminal is switched to
The alien frequencies frequency.
In the present embodiment, the alien frequencies is shown frequently in the network configuration information of the current alien frequencies frequency for parsing
When point is for high speed private network, the terminal is switched into the alien frequencies frequency, terminal is connected with high speed private network
Connect, realize being switched fast for the public network under LTE standards and high speed private network.
Preferably, when terminal is in high ferro scene, the wireless communication networks based on LTE of the embodiment of the present invention
Network reselecting method causes that traffic handing capacity of the terminal under LTE network standard is improved.
Fig. 2 is another cordless communication network reselecting method flow chart based on LTE of the embodiment of the present invention.
Fig. 2 is refer to, the cordless communication network reselecting method based on LTE includes：
Step S201, whether the network mode for judging terminal is public network, if it is, into step S202,
Otherwise, into step S204.
Whether step S202, judge the network mode of terminal in fast mode, if it is, into step
S203, otherwise, into step S204.
In the present embodiment, the applicable scene of the cordless communication network reselecting method based on LTE is in for terminal
Fast mode, i.e., terminal is in high-speed cruising；In this case, the network connection mode of terminal is at a high speed
During private network, the 4G Business Processing speed of terminal is fast.When the network connection mode of terminal is from high speed private network off-grid
To LTE public networks or other network formats public network when, terminal has following several situations：High speed private network and end
End is disconnected and is in non-high-speed Move Mode with terminal.So need to judge the state of terminal, if being in
Fast mode, then carry out the cordless communication network gravity treatment based on LTE.
Step S203, while the business of current frequency is received, scanned by way of punching one or
Multiple alien frequencies frequencies.
In specific implementation, the information of the corresponding cell of the alien frequencies frequency is obtained by the first punch operation.
Wherein, due to the usual all only one of which receivers of UE, synchronization can only receive signal on a frequency.
Before different frequency scanning is carried out, in order to not influence current business, it is necessary to by good scheduling in LTE
Design.Punch operation refers to that to produce measurement a GAP, the measurement GAP be a period of time, allows UE
Current business frequency is left to be operated to other frequencies.
Step S204, keeps current state.
Step S205, for the cell that the signal intensity of alien frequencies frequency is optimal, alien frequencies is obtained frequently by parsing
The network configuration information of point.
In specific implementation, the network configuration information High Speed Flag of high speed private network are set to TRUE,
The network configuration information High Speed Flag of the public network of LTE public networks or other network formats are set to
FALSE, therefore can judge whether the alien frequencies frequency belongs to institute by the network configuration information of subdistrict frequency point
State high speed private network.The network configuration information High Speed Flag of high speed private network are arranged on system message SIB2
In, so needing to parse SIB2 information.
In the present embodiment, mib information, SIB1 information and SIB2 information are mainly obtained.By second dozen
Hole operation parses the mib information of the cell, obtains the bandwidth information of the cell；By the 3rd punching
The SIB1 information of the operation parsing cell, obtains the signal intensity of the cell；By the 4th dozen
Hole operation parses the SIB2 information of the cell, obtains the network configuration information.The first punching behaviour
The time span of work is 6ms；The time span of second punch operation and the 3rd punch operation is
At least 2ms；The time span of the 4th punch operation is 2~41ms.Above-mentioned punching time span is shorter,
The Business Processing of current frequency can not be influenceed.Can cause that terminal is not influenceing current network frequency service
While treatment, high speed private network frequency is scanned for and connected, improve terminal in LTE network pattern
Under Business Processing speed and performance, improve Consumer's Experience.
Step S206, judges whether alien frequencies frequency belongs to the high speed private network, if it is, into step
S207, otherwise, into step S208.
Step S207, the alien frequencies frequency is switched to by terminal.
In the present embodiment, the alien frequencies is shown frequently in the network configuration information of the current alien frequencies frequency for parsing
When point is for high speed private network, the terminal is switched into the alien frequencies frequency, terminal is connected with high speed private network
Connect, realize being switched fast for the public network under LTE standards and high speed private network.
Step S208, scans other alien frequencies frequencies.
Show that the alien frequencies frequency is not belonging to the high speed in the network configuration information of the alien frequencies frequency
During private network, scan other alien frequencies frequencies and parsed, it is known that find the alien frequencies for belonging to the high speed private network
Frequency.
Specific embodiment can refer to foregoing corresponding embodiment, and here is omitted.
Fig. 3 is a kind of cordless communication network gravity concentration apparatus structural representation based on LTE of the embodiment of the present invention.
Fig. 3 is refer to, in the lump reference picture 1, the cordless communication network gravity concentration apparatus 30 based on LTE includes：
Mode determination 301, after the public network beyond terminal is from high speed private network off-grid to the high speed private network, sentences
Whether the terminal of breaking is in fast mode.Wherein, according to the terminal translational speed or frequency deviation judges
Whether the terminal is in fast mode.
Web search unit 302, is suitable to when the terminal is in the fast mode, then receive current frequency
While the business of point, one or more alien frequencies frequencies are scanned to judge the alien frequencies by way of punching
Whether frequency belongs to the high speed private network.Wherein, the alien frequencies frequency includes one or more of, entirely
The history frequency of frequency range frequency and the high speed private network.The prior information of the history frequency is preserved in terminal
When, scan the history frequency；Otherwise, the full frequency band frequency point is scanned.
In the present embodiment, the web search unit 302 includes：Resolution unit 304, for the alien frequencies
The optimal cell of the signal intensity of frequency, the network configuration information of the alien frequencies frequency is obtained by parsing；
Network judging unit 305, judges whether the alien frequencies frequency belongs to the height according to the network configuration information
Fast private network.
Network switch unit 303, is suitable to when the alien frequencies frequency belongs to the high speed private network, by the end
End switches to the alien frequencies frequency.
When the resolution unit 304 cannot obtain the network configuration information by parsing, to the alien frequencies
Frequency carries out periodicity parsing according to the first setting cycle.
In the present embodiment, the network configuration information table of the resolution unit 304 in the alien frequencies frequency
When the bright alien frequencies frequency is not belonging to the high speed private network, to other alien frequencies frequencies and parse.Institute
When having alien frequencies frequency to be all not belonging to the high speed private network, the web search unit 302 is to one or more
The alien frequencies frequency carries out periodic scan according to the second setting cycle.
In the present embodiment, the web search unit 302 obtains the alien frequencies frequently by the first punch operation
The information of the corresponding cell of point；The resolution unit parses the MIB of the cell by the second punch operation
Information, obtains the bandwidth information of the cell；The SIB1 for parsing the cell by the 3rd punch operation believes
Breath, obtains the signal intensity of the cell；The SIB2 of the cell is parsed by the 4th punch operation
Information, obtains the network configuration information.
In specific implementation, the time span of first punch operation is 6ms；Second punch operation
Time span with the 3rd punch operation is at least 2ms；The time span of the 4th punch operation
It is 2~41ms.
Specific embodiment can refer to foregoing corresponding embodiment, and here is omitted.
The embodiment of the invention also discloses a kind of terminal, the terminal includes the channel radio based on LTE
Communication network gravity concentration apparatus 30.
The embodiment of the present invention is scanned different when terminal falls to public network from high speed private network by way of punching
Frequent point, can cause terminal while not influenceing current network frequency service to process, to high speed private network
Frequency is scanned for and connected, and improves Business Processing speed and performance of the terminal under LTE network pattern,
Improve Consumer's Experience.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in can with computer
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (21)
1. a kind of cordless communication network reselecting method based on LTE, it is characterised in that including：
After the public network beyond terminal is from high speed private network off-grid to the high speed private network, whether the terminal is judged
In fast mode；
If the terminal is in the fast mode, while the business of current frequency is received, pass through
The mode of punching scans one or more alien frequencies frequencies, to judge whether the alien frequencies frequency belongs to described
High speed private network；
If the alien frequencies frequency belongs to the high speed private network, the terminal is switched into the alien frequencies frequency.
2. the cordless communication network reselecting method based on LTE according to claim 1, it is characterised in that
Scan the alien frequencies frequency is included with judging whether the alien frequencies frequency belongs to the high speed private network：
For the cell that the signal intensity of the alien frequencies frequency is optimal, the alien frequencies frequency is obtained by parsing
Network configuration information；
Judge whether the alien frequencies frequency belongs to the high speed private network according to the network configuration information.
3. the cordless communication network reselecting method based on LTE according to claim 2, it is characterised in that
Also include：When cannot obtain the network configuration information by parsing, to the alien frequencies frequency according to the
One setting cycle carries out periodicity parsing.
4. the cordless communication network reselecting method based on LTE according to claim 2, it is characterised in that
Also include：Show that the alien frequencies frequency is not belonging to institute in the network configuration information of the alien frequencies frequency
When stating high speed private network, scan other alien frequencies frequencies and parsed.
5. the cordless communication network reselecting method based on LTE according to claim 4, it is characterised in that
Also include：When all alien frequencies frequencies are all not belonging to the high speed private network, to different one or more described
Periodic scan is carried out according to the second setting cycle at frequent o'clock.
6. the cordless communication network reselecting method based on LTE according to claim 2, it is characterised in that
For the cell that the signal intensity of the alien frequencies frequency is optimal, the alien frequencies frequency is obtained by parsing
Network configuration information includes：
The information of the corresponding cell of the alien frequencies frequency is obtained by the first punch operation；
The mib information of the cell is parsed by the second punch operation, the bandwidth information of the cell is obtained；
The SIB1 information of the cell is parsed by the 3rd punch operation, the signal for obtaining the cell is strong
Degree；
The SIB2 information of the cell is parsed by the 4th punch operation, the network configuration information is obtained.
7. the cordless communication network reselecting method based on LTE according to claim 6, it is characterised in that
The time span of first punch operation is 6ms；Second punch operation and the 3rd punching
The time span of operation is at least 2ms；The time span of the 4th punch operation is 2~41ms.
8. the cordless communication network reselecting method based on LTE according to claim 1, it is characterised in that
The alien frequencies frequency includes one or more of, and the history of full frequency band frequency point and the high speed private network is frequently
Point.
9. the cordless communication network reselecting method based on LTE according to claim 8, it is characterised in that
When terminal preserves the prior information of the history frequency, the history frequency is scanned；Otherwise, scan
The full frequency band frequency point.
10. the cordless communication network reselecting method based on LTE according to any one of claim 1 to 9,
Characterized in that, whether the translational speed or frequency deviation according to the terminal judge the terminal at a high speed
Pattern.
A kind of 11. cordless communication network gravity concentration apparatus based on LTE, it is characterised in that including：
Mode determination, after the public network beyond terminal is from high speed private network off-grid to the high speed private network, sentences
Whether the terminal of breaking is in fast mode；
Web search unit, is suitable to, when the terminal is in the fast mode, receiving current frequency
While business, one or more alien frequencies frequencies are scanned to judge the alien frequencies frequently by way of punching
Whether point belongs to the high speed private network；
Network switch unit, is suitable to, when the alien frequencies frequency belongs to the high speed private network, the terminal be cut
Shift to the alien frequencies frequency.
The 12. cordless communication network gravity concentration apparatus based on LTE according to claim 11, it is characterised in that
The web search unit includes：
Resolution unit, for the cell that the signal intensity of the alien frequencies frequency is optimal, obtains described by parsing
The network configuration information of alien frequencies frequency；
Network judging unit, judges whether the alien frequencies frequency belongs to the height according to the network configuration information
Fast private network.
The 13. cordless communication network gravity concentration apparatus based on LTE according to claim 12, it is characterised in that
Also include：When the resolution unit cannot obtain the network configuration information by parsing, to described different
Periodicity parsing is carried out according to the first setting cycle at frequent o'clock.
The 14. cordless communication network gravity concentration apparatus based on LTE according to claim 12, it is characterised in that
Also include：The resolution unit shows the alien frequencies in the network configuration information of the alien frequencies frequency
When frequency is not belonging to the high speed private network, to other alien frequencies frequencies and parse.
The 15. cordless communication network gravity concentration apparatus based on LTE according to claim 14, it is characterised in that
Also include：When all alien frequencies frequencies are all not belonging to the high speed private network, the web search unit pair
One or more described alien frequencies frequencies carry out periodic scan according to the second setting cycle.
The 16. cordless communication network gravity concentration apparatus based on LTE according to claim 12, it is characterised in that
The web search unit obtains the letter of the corresponding cell of the alien frequencies frequency by the first punch operation
Breath；The resolution unit parses the mib information of the cell by the second punch operation, obtains described
The bandwidth information of cell；The SIB1 information of the cell is parsed by the 3rd punch operation, obtains described
The signal intensity of cell；The SIB2 information of the cell is parsed by the 4th punch operation, is obtained
The network configuration information.
The 17. cordless communication network gravity concentration apparatus based on LTE according to claim 16, it is characterised in that
The time span of first punch operation is 6ms；Second punch operation and the 3rd punching
The time span of operation is at least 2ms；The time span of the 4th punch operation is 2~41ms.
The 18. cordless communication network gravity concentration apparatus based on LTE according to claim 11, it is characterised in that
The alien frequencies frequency includes one or more of, and the history of full frequency band frequency point and the high speed private network is frequently
Point.
The 19. cordless communication network gravity concentration apparatus based on LTE according to claim 18, it is characterised in that
When terminal preserves the prior information of the history frequency, the history frequency is scanned；Otherwise, scan
The full frequency band frequency point.
The 20. cordless communication network gravity concentration apparatus based on LTE according to any one of claim 11 to 19,
Characterized in that, whether the translational speed or frequency deviation according to the terminal judge the terminal at a high speed
Pattern.
A kind of 21. terminals, it is characterised in that including as described in any one of claim 11 to 20 based on LTE
Cordless communication network gravity concentration apparatus.
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