CN106851752A - A kind of user equipment and its method for realizing speech business - Google Patents
A kind of user equipment and its method for realizing speech business Download PDFInfo
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- CN106851752A CN106851752A CN201611218079.0A CN201611218079A CN106851752A CN 106851752 A CN106851752 A CN 106851752A CN 201611218079 A CN201611218079 A CN 201611218079A CN 106851752 A CN106851752 A CN 106851752A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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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
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of user equipment and its method for realizing speech business, including memory module and processing module, wherein, memory module, for prestoring unsuccessfully network identification information and its corresponding failure network formats；Processing module, for when the ability inquiry message that network side is issued is received, obtain the current network identification information of user equipment, whether the current network identification information of detection is identical with the failure network identification information that memory module is prestored, if identical, the corresponding failure network formats of failure network identification information, the network formats currently supported according to user equipment and failure network formats are obtained, terminal ability information is generated；Terminal ability information is sent to network side.The present invention can avoid failing due to the unreasonable caused CSFB flows of network signal covering, so as to improve the voice experience of 4G user, lift the intelligent level of UE.
Description
Technical field
The present invention relates to mobile communication technology field, espespecially a kind of user equipment and its method for realizing speech business.
Background technology
Existing Long Term Evolution (Long Term Evolution, LTE) communication network does not exist packet-switched domain
(Packet Switched, PS) speech business.That is, when the user equipment (User Equipment, UE) of LTE network
, it is necessary to UE first discharges LTE network resource when needing to carry out speech business, different system (such as 2G/3G communication networks) is then selected
Under cell accessed, then carry out circuit switching (Circuit Switched, CS) domain speech business, upper voice traffic
Processing procedure is referred to as circuit domain dropping (Circuit Switched Fall Back, CSFB) flow.
For mobile network, the covering of mobile 2G networks is well more many than 3G, therefore, mobile CSFB schemes are to fall after rise extremely to move
Dynamic 2G networks carry out speech business；And for UNICOM's network, the covering of UNICOM's 3G network is well more many than 2G, therefore, connection
Logical CSFB schemes are to fall after rise to UNICOM's 3G network to carry out speech business.However, in real network, there is the covering of some network signals
Compare special region, for example, some region of UNICOM 4G and the covering of UNICOM 2G network signals are preferable, but UNICOM's 3G network letter
Number covering is poor.Now, UNICOM 4G user selects to fall after rise to UNICOM's 3G network in CSFB flows are carried out, but resident UNICOM
3G frequencies fail, and then cause user speech call failure；And because the call failure of CSFB trigger flows will not point out to use
Phone is missed at family, has had a strong impact on the voice experience of 4G user.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of user equipment and its method for realizing speech business,
The voice experience of 4G user can simply be improved.
In order to reach the object of the invention, what the technical scheme of the embodiment of the present invention was realized in：
A kind of user equipment, including memory module and processing module, wherein,
Memory module, for prestoring unsuccessfully network identification information and its corresponding failure network formats；
Processing module, for when the ability inquiry message that network side is issued is received, obtaining the current net of user equipment
Network identification information, detect failure network identification information that current network identification information prestores with memory module whether phase
Together, if identical, the corresponding failure network formats of the failure network identification information are obtained, is currently propped up according to the user equipment
The network formats and the failure network formats held, generate terminal ability information；The terminal ability information is sent to institute
State network side.
Further, user equipment of the invention, also including search module, for when resetting of receiving that network side issues
During to information, the target frequency in redirection information is scanned for, when the failure of target frequency is searched for, by current network mark
Know and search failure the corresponding network formats of target frequency, the failure network identity being stored as in memory module and its corresponding
Failure network formats.
Further, the search target frequency is unsuccessfully specifically included：Cell letter where the target frequency of the search
Number intensity is less than the first predetermined threshold value, or duration used by the target frequency of the search is more than the second predetermined thresholding
Value.
Further, the network identification information includes tracking area code information and cell identity information.
Further, the generation terminal ability information is specifically included, in the network system that the user equipment is currently supported
In formula, the failure network formats are set to preset value.
A kind of method of realizing speech business of user equipment, including：
When the ability inquiry message that network side is issued is received, the current network identification information of user equipment is obtained；
If the current network identification information is identical with the failure network identification information that the user equipment is prestored,
Then obtain the corresponding failure network formats of the failure network identification information；
The network formats and the failure network formats currently supported according to the user equipment, generation terminal capability letter
Breath；
The terminal ability information is sent to the network side.
Further, the method for realizing speech business of user equipment of the invention, also includes：When carrying out speech business
When, receive the redirection information that network side is issued；Target frequency in redirection information is scanned for, when search target frequently
During point failure, by current network identification and the corresponding network formats of target frequency of search failure, network identity is stored as unsuccessfully
And its corresponding failure network formats.
Further, the search target frequency is unsuccessfully specifically included, the cell letter where the target frequency of the search
Number intensity is less than the first predetermined threshold value, or duration used by the target frequency of the search is more than the second predetermined thresholding
Value.
Further, the network identification information includes tracking area code information and cell identity information.
Further, the generation terminal ability information is specifically included, in the network system that the user equipment is currently supported
In formula, the failure network formats are set to preset value.
User equipment of the invention and its method for realizing speech business, prestore unsuccessfully network identification information and its right
Whether the failure network formats answered, be failure network mark that user equipment is prestored by relatively current network identification information
Knowledge information, if it is, the corresponding failure network formats of failure network identification information are obtained, according to the net that user equipment is currently supported
Network standard and failure network formats, generate terminal ability information, and terminal ability information is sent into the network side, so that
Base station is obtained when RRC connection release message is sent to UE, the frequency that redirects of carrying is the preferable network formats of the network coverage
Frequency, it is to avoid due to network signal covering it is unreasonable caused by the failure of CSFB flows, and then improve the voice of 4G user and make
With experience, the intelligent level of UE is improved.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the hardware architecture diagram for realizing the optional mobile terminal of each embodiment one of the invention；
Fig. 2 is a kind of structural representation of user equipment of the embodiment of the present invention；
Fig. 3 is the structural representation of another user equipment of the embodiment of the present invention；
Fig. 4 is the existing schematic flow sheet for redirecting successful circuit domain dropping CSFB；
Fig. 5 is a kind of schematic flow sheet of the method for realizing speech business of user equipment of the embodiment of the present invention；
Fig. 6 is the schematic flow sheet of the method for realizing speech business of another user equipment of the embodiment of the present invention.
Specific embodiment
Technical scheme is described in detail below in conjunction with drawings and Examples.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram of the mobile terminal for realizing each embodiment of the invention.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit can include broadcasting reception module 111, mobile communication module
112nd, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can include WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 1220, the static map that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
The view data of piece or video is processed.Picture frame after treatment may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memory 160 (or other storage mediums) or carried out via wireless communication unit 110
Send, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould
Sound (voice data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be by
Such acoustic processing is voice data.Audio (voice) data after treatment can be changed in the case of telephone calling model
For the form that can be sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement all kinds
Noise eliminate (or suppress) algorithm eliminating (or suppression) in the noise for receiving and producing during sending audio signal or
Person disturbs.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 can will be combined below including proximity transducer 1410
Touch-screen is described to this.
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 can include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to be watched from outside, and this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incoming communication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can be constructed in controller 180, or can be structured as and control
Device processed 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 180.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 160 and performed by controller 180.
So far, oneself according to its function through describing mobile terminal.Below, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc. is used as showing
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of the invention is proposed.
Fig. 2 is a kind of structural representation of user equipment of the embodiment of the present invention.With reference to Fig. 2, one kind of the invention
User equipment, including：Memory module and processing module, wherein,
Memory module, for prestoring unsuccessfully network identification information and its corresponding failure network formats；
Alternatively, the failure network identification information and its corresponding failure network formats for being prestored in memory module, by
User adds manually in advance, or is added automatically by user equipment.
Specifically, heretofore described failure network identification information include tracking area code (Tracking Area Code,
TAC) information and cell ID (Cell ID) information.In the lte networks, each tracking area (Tracking Area, TA) by
One or more cells (Cell) are constituted, and when UE movements cause affiliated tracing area to change, UE is needed to mobile management reality
Body (Mobility Management Entity, MME) initiating updating of tracking area process, by current Tracking Area Code TAC and
Cell ID Cell ID can uniquely determine the current positions of UE.
Specifically, heretofore described failure network formats include existing wireless access technology (Radio Access
Technologies, RAT), GERAN-CS (the GSM EDGE Radio Access Network Circuit of such as 2G
Switched), the GERAN-PS (GSM EDGE Radio Access Network Packet Switched) of 2G, 3G
UTRA (Universal Terrestrial Radio Access), CDMA2000-1xRTT (the Code Division of 3G
Multiple Access 2000-1x Radio Transmission Technology) and 4G EUTRA (Evolved-
Universal Telecommunication Radio Access) etc..
Processing module, for when the ability inquiry message that network side is issued is received, obtaining the current net of user equipment
Network identification information, detect failure network identification information that current network identification information prestores with memory module whether phase
Together, if identical, the corresponding failure network formats of failure network identification information are obtained, according to the network that user equipment is currently supported
Standard and failure network formats, generate terminal ability information；Terminal ability information is sent to network side.
Further, heretofore described network side is the universal terrestrial access network E-UTRAN of evolution.
Specifically, E-UTRAN is the access mesh portions in LTE network.E-UTRAN is main by eNodeB (Evolved
NodeB) constituted with access gateway (AdvancedGateway, aGW) two parts.AGW is a boundary node, if being regarded as
A part for core net, then access network be mainly made up of eNodeB.ENB not only has the function of the NodeB of 3G systems, moreover it is possible to complete
Into most of function of the radio network controller (Radio Network Controller, RNC) of 3G systems, including physics
Layer, MAC layer, RRC, scheduling, Access Control, carry control, access mobile management and minizone RRM (Inter-
Cell RRM, ICR) etc..Grid (Mesh) mode direct interconnection is used between eNodeB and eNodeB.
Further, in embodiments of the present invention, the current network identification information of user equipment, including user equipment is current
Tracking area code (Tracking Area Code, TAC) information and cell ID (Cell ID) information.
Specifically, when the ability inquiry message that network side is issued is received, obtaining the current tracking area code of user equipment
TAC information and cell ID Cell id informations, detect current tracking area code TAC information and cell ID Cell ID letters
The tracking area code TAC information and cell ID Cell ID of the failure network identification information prestored in breath, with memory module
Whether information is identical, if identical, obtains the corresponding failure network formats of the failure network identification information.
Further, the network formats and failure network formats currently supported according to user equipment, generate terminal capability
Information, specifically includes, in the network formats parameter that the user equipment in the terminal ability information of generation is currently supported, will be above-mentioned
Failure network formats be set to preset value.
Specifically, terminal capacity report message includes multiple parameters, interRAT-Parameters parameters generation therein
Table UE for different system tenability, UTRA, 3G's of GERAN-PS, 3G of GERAN-CS, 2G of different system including 2G
EUTRA of CDMA2000-1xRTT and 4G etc..If for example, the corresponding failure network formats of failure network identification information are
UTRA, then in the interRAT-Parameters in terminal capacity report message, false FALSE is set to by UTRA standards.This
Sample, after user equipment is by the reporting terminal capability information to network side, network side thinks that user equipment does not support UTRA standards,
Therefore when the message for carrying redirection frequency point information is sent to UE, the frequency point information of UTRA standards would not be carried, so that
UE is obtained to be redirected on other network formats.
Further, if user equipment it is current tracking area code TAC information and cell ID Cell id informations with deposit
The tracking area code TAC information and cell ID Cell id informations of the storage failure network identification information that prestores of module not phase
Together, send and carry the capability reporting message of supported all-network standard to network side.
If specifically, the current tracking area code TAC information of user equipment and cell ID Cell id informations and storage
The tracking area code TAC information and cell ID Cell id informations of the failure network identification information that module is prestored are differed,
Then in the interRAT-Parameters in terminal capacity report message, the all-network standard that user equipment is supported
It is set to true TRUE.So, after user equipment is by the reporting terminal capability information to network side, the carrying that the lateral UE of network sends
In redirecting the message of frequency point information, will carry all available network formats at the network identity residing for user equipment and
The frequency point information of the common factor of the all-network standard that user equipment is supported, so that UE can be redirected to suitable network
On.
Further, Fig. 4 is the structural representation of another user equipment of the embodiment of the present invention.With reference to Fig. 4, according to this
Another user equipment of invention, also including search module, for when the redirection information that network side is issued is received, according to
Target frequency in redirection information is scanned for, when the failure of target frequency is searched for, by current network identification and search failure
The corresponding network formats of target frequency, the failure network identity being stored as in memory module and its it is corresponding failure network system
Formula.
Specifically, the redirection information that network side is issued can be wireless heterogeneous networks (Radio Resource
Control, RRC) connection release message or other carryings redirect the message of frequency.In existing CSFB flows, network
Side carries the redirection information (Redirection Information) for redirecting frequency, UE in RRC connection release message
To be attempted after leaving connected state search for RRC connection release message in redirections frequency and be resident redirect frequency where
Cell.
Alternatively, heretofore described search is unsuccessfully specifically included, and the cell signal where the target frequency of search is strong
Spend the duration less than the first predetermined threshold value, or used by the target frequency of search and be more than the second predetermined threshold value.
Specifically, for example, pre-setting the first threshold value for -60dBm, it is 5ms to pre-set the second threshold value, works as search
Target frequency where cell signal strength be less than -60dBm when, or search target frequency used by duration be more than 5ms
When, by current network identification and the corresponding network formats of target frequency searched for, it is stored as the failure network in memory module
Mark and its corresponding failure network formats.
Alternatively, the target frequency searched for is full frequency band frequency point.
In the lte networks, user equipment can be after network side issues ability inquiry message (for example, in circuit domain dropping
During CSFB), report the terminal ability information of oneself；Can also active reporting oneself terminal ability information (for example, in UE
Start, is selected and cell reselection by cell, is resident after suitable cell when adhering to (ATTACH) process for the first time, Huo Zhe
UE moves to another tracking area from a tracking area (TA), when being tracked area's renewal (TAC) process).
Specifically, when UE starts shooting or when UE moves to another tracking area from a tracking area, in full frequency band frequently
Scanned on point, when the target frequency for thering is search to fail, by current network identification and the corresponding net of target frequency of search failure
Network standard, the failure network identity being stored as in memory module and its corresponding failure network formats.
For example, so that UE receives calls as an example, Fig. 5 redirects successful CSFB schematic flow sheets, reference for existing
Fig. 5, CSFB flow mainly include：
First, UE receives the paging that the universal terrestrial access network (E-UTRAN) of evolution is issued on an LTE network
(Paging) message, UE sends expansion service request (Extend Service Request, ESR) message to E-UTRAN networks；
After E-UTRAN networks receive ESR message, to UE send UE abilities inquiries (UE Capability Enquiry,
UCE) message；
After UE receives UCE message, the UE capability reportings for carrying the network formats that UE is supported are sent to E-UTRAN networks
(UE Capability Information, UCI) message；Generally, support that the UE of 4G supports that 3G/2G, therefore UE send simultaneously
UCI message in, network formats of the network formats supported comprising 4G/3G/2G；
After E-UTRAN networks receive UCI message, find that UE supports the network formats of 4G/3G/2G simultaneously by parsing, to
UE sends wireless heterogeneous networks (Radio Resource Control, the RRC) connection release message for carrying and redirecting frequency；By
Better than mobile 3G network in the signal covering of mobile 2G networks, existing mobile CSFB process selectings are fallen after rise to mobile 2G networks
Reason speech business；And UNICOM's 3G network signal covering it is better than UNICOM 2G networks, existing UNICOM's CSFB process selectings fall after rise to
UNICOM's 3G network treatment speech business, therefore, comprising mobile 2G in the RRC connection release message that mobile E-UTRAN networks send
The frequency point information of network, the frequency comprising UNICOM's 3G network is believed in the RRC connection release message that UNICOM E-UTRAN networks send
Breath；
After UE receives RRC connection release message, the frequency point information that search is wherein carried, and attempt being resident the frequency of search
Point, after being resident successfully, disappears in the cell of 3G or 2G to E-UTRAN networks transmission page response (Paging Response, PR)
Breath；
Next it is the signaling procedure for receiving calls of common 3G or 2G networks；
After end of conversation, UE returns again to LTE network.
When UE carries out first time CSFB flow, in the capability reporting UCI message that UE sends, the network formats supported are joined
Network formats of the number comprising 4G/3G/2G；After E-UTRAN networks receive UCI message, the RRC for carrying and redirecting frequency is sent to UE
Connection release message (frequency point information of mobile 2G networks is included in the RRC connection release message that mobile E-UTRAN networks send,
Frequency point information comprising UNICOM's 3G network in the RRC connection release message that UNICOM E-UTRAN networks send)；UE receives RRC companies
After connecing release message, search module uses the redirection frequency carried in RRC connection release message as target frequency removal search
Cell, in the prior art, (such as UNICOM's 3G network signal covers poor area to cover more special region in network signal
Domain or mobile 2G network signals cover poor region), UE search failures, so that CSFB flows fail, cause voice industry
Business failure.
User equipment of the invention, after search module judges search target frequency failure every time, by current network identification and
Search for the corresponding network formats of target frequency of failure, the failure network identity being stored as in memory module and its corresponding failure
Network formats, network identity herein includes Tracking Area Code TAC and cell ID Cell ID.When UE is carried out next time
CSFB flows and when receiving UE ability inquiry message that E-UTRAN networks are issued, processing module detection current network identification is
Whether the no failure network identity in memory module, i.e., current Tracking Area Code TAC and cell ID Cell ID is equal to
The Tracking Area Code and cell ID of the failure network identity in memory module, if in current network identification and memory module
Failure network identity is differed, and is sent and is carried the UE capability reportings message of all-network standard that UE supported to network side；Such as
Fruit current network identification is identical with the failure network identity in memory module, the network supported in UE capability reporting message
In standard list parameter, the corresponding failure network formats of failure network identity are set to false FALSE, if for example, failure network
The corresponding failure network formats of mark are UTRA, in UE capability reporting message, in the network formats parameter that will be supported
UTRA standards are set to FALSE, then send to network side UE capability reporting message.When network side receives UE capability reporting message
Afterwards, it is believed that UE does not support UTRA network formats now, therefore when RRC connection release message is sent to UE, entrained resets
Just there was only the frequency point information of 2G to frequency point information, without the frequency point information of 3G, such UE is receiving RRC connection release message
Afterwards, GSM network, and then the success of CSFB flows will be redirected to, user successfully carries out speech business.
User equipment of the invention, prestores unsuccessfully network identification information and its corresponding failure network formats, passes through
Whether identical with the failure network identification information that memory module is prestored compare current network identification information, if identical,
Obtain the corresponding failure network formats of failure network identification information, the network formats currently supported according to user equipment and failure
Network formats, generate terminal ability information, terminal ability information are sent into the network side, so that base station is sent out to UE
When sending RRC connection release message, the frequency that redirects of carrying is the frequency of the network coverage preferable network formats, it is to avoid due to
CSFB flows failure caused by network signal covering is unreasonable, and then the voice experience of 4G user is improved, improve UE
Intelligent level.
Fig. 5 is a kind of schematic flow sheet of the method for realizing speech business of user equipment of the embodiment of the present invention.With reference to
Fig. 5, a kind of method for realizing speech business of user equipment of the invention, including：
When the ability inquiry message that network side is issued is received, the current network identification information of user equipment is obtained；
If current network identification information is identical with the failure network identification information that user equipment is prestored, obtains and lose
Lose the corresponding failure network formats of network identification information；
The network formats and failure network formats currently supported according to user equipment, generate terminal ability information；
Terminal ability information is sent to network side.
Alternatively, user equipment is prestored failure network identification information and its corresponding failure network formats, by with
Family is added manually in advance, or is added automatically by user equipment.
Specifically, heretofore described failure network identification information includes tracking area code TAC information and cell ID
Cell id informations.In the lte networks, each tracking area TA is made up of one or more cells Cell, when UE movement cause belonging to
Tracing area change when, UE is needed to mobile management entity MME initiating updating of tracking area process, by current Tracking Area Code
TAC and cell ID Cell ID can uniquely determine the current positions of UE.
Specifically, heretofore described failure network formats include existing wireless access technology RAT, such as 2G's
EUTRA of CDMA2000-1xRTT and 4G of UTRA, 3G of GERAN-PS, 3G of GERAN-CS, 2G etc..
Further, heretofore described network side is the universal terrestrial access network E-UTRAN of evolution.
Specifically, E-UTRAN is the access mesh portions in LTE network.E-UTRAN is main by eNodeB (Evolved
NodeB) constituted with access gateway (AdvancedGateway, aGW) two parts.AGW is a boundary node, if being regarded as
A part for core net, then access network be mainly made up of eNodeB.ENB not only has the function of the NodeB of 3G systems, moreover it is possible to complete
Into most of function of the radio network controller (Radio Network Controller, RNC) of 3G systems, including physics
Layer, MAC layer, RRC, scheduling, Access Control, carry control, access mobile management and minizone RRM (Inter-
Cell RRM, ICR) etc..Grid (Mesh) mode direct interconnection is used between eNodeB and eNodeB.
Further, in embodiments of the present invention, the current network identification information of user equipment, including user equipment is current
Tracking area code TAC information and cell ID Cell id informations.
Specifically, when the ability inquiry message that network side is issued is received, obtaining the current tracking area code of user equipment
TAC information and cell ID Cell id informations, detect current tracking area code TAC information and cell ID Cell ID letters
The tracking area code TAC information and cell ID Cell ID of the failure network identification information prestored in breath, with user equipment
Whether information is identical, if identical, obtains the corresponding failure network formats of the failure network identification information.
Further, the network formats and failure network formats currently supported according to user equipment, generate terminal capability
Information, specifically includes, in the network formats parameter that the user equipment in the terminal ability information of generation is currently supported, will be above-mentioned
Failure network formats be set to preset value.
Specifically, terminal capacity report message includes multiple parameters, interRAT-Parameters parameters generation therein
Table UE for different system tenability, UTRA, 3G's of GERAN-PS, 3G of GERAN-CS, 2G of different system including 2G
The EUTRA of CDMA2000-1xRTT and 4G.If for example, failure network identification information it is corresponding failure network formats be UTRA,
Then in the interRAT-Parameters in terminal capacity report message, UTRA standards are set to false FALSE.So, when with
By after the reporting terminal capability information to network side, network side thinks that user equipment does not support UTRA standards to family equipment, therefore
When the message for carrying redirection frequency point information is sent to UE, the frequency point information of UTRA standards would not be carried, so that UE weights
It is directed on other network formats.
Further, if the current tracking area code TAC information of user equipment and cell ID Cell id informations and use
The tracking area code TAC information and cell ID Cell id informations not phase of the failure network identification information that family equipment is prestored
Together, send and carry the capability reporting message of supported all-network standard to network side.
If specifically, the current tracking area code TAC information of user equipment and cell ID Cell id informations and user
The tracking area code TAC information and cell ID Cell id informations of the failure network identification information that equipment is prestored are differed,
Then in the interRAT-Parameters in terminal capacity report message, the all-network standard that user equipment is supported
It is set to true TRUE.So, after user equipment is by the reporting terminal capability information to network side, the carrying that the lateral UE of network sends
In redirecting the message of frequency point information, will carry all available network formats at the network identity residing for user equipment and
The frequency point information of the common factor of the all-network standard that user equipment is supported, so that UE is redirected on suitable network.
Further, Fig. 6 is the flow of the method for realizing speech business of another user equipment of the embodiment of the present invention
Schematic diagram.With reference to Fig. 6, the method for realizing speech business of another user equipment of the invention also includes：
When speech business is carried out, the redirection information that network side is issued is received；Target in redirection information is frequently
Point is scanned for, when the failure of target frequency is searched for, by current network identification and the corresponding network of target frequency of search failure
Standard, is stored as unsuccessfully network identity and its corresponding failure network formats.
Specifically, the redirection information that issues of network side can for radio resource control RRC connection release message or other
Carrying redirect frequency message.In existing CSFB flows, network side is carried in RRC connection release message and reset
To the redirection information of frequency, UE will be attempted searching for redirection frequency therein after connected state is left and is resident redirection frequency
Cell where point.
Alternatively, heretofore described search is unsuccessfully specifically included, and the cell signal where the target frequency of search is strong
Spend the duration less than the first predetermined threshold value, or used by the target frequency of search and be more than the second predetermined threshold value.
Specifically, for example, pre-setting the first threshold value for -60dBm, it is 5ms to pre-set the second threshold value, works as search
Target frequency where cell signal strength be less than -60dBm when, or search target frequency used by duration be more than 5ms
When, by current network identification and the corresponding network formats of target frequency searched for, it is stored as the failure network in user equipment
Mark and its corresponding failure network formats.
Alternatively, the target frequency searched for is full frequency band frequency point.
In the lte networks, user equipment can be after network side issues ability inquiry message (for example, in circuit domain dropping
During CSFB), report the terminal ability information of oneself；Can also active reporting oneself terminal ability information (for example, in UE
Start, is selected and cell reselection by cell, is resident after suitable cell when adhering to (ATTACH) process for the first time, Huo Zhe
UE moves to another tracking area from a tracking area (TA), when being tracked area's renewal (TAC) process).
Specifically, when UE starts shooting or when UE moves to another tracking area from a tracking area, in full frequency band frequently
Scanned on point, when the target frequency for thering is search to fail, by current network identification and the corresponding net of target frequency of search failure
Network standard, the failure network identity being stored as in user equipment and its corresponding failure network formats.
The method for realizing speech business of user equipment of the invention, prestores unsuccessfully network identification information and its correspondence
Failure network formats, by the failure network identity that relatively whether current network identification information prestores with user equipment
Information is identical, if identical, obtains the corresponding failure network formats of failure network identification information, is currently supported according to user equipment
Network formats and failure network formats, generate terminal ability information, terminal ability information is sent to the network side, from
And base station is caused when RRC connection release message is sent to UE, the redirection frequency of carrying is the preferable network system of the network coverage
The frequency of formula, it is to avoid due to network signal covering it is unreasonable caused by the failure of CSFB flows, and then improve the language of 4G user
Sound experience, improves the intelligent level of UE.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of user equipment, it is characterised in that including memory module and processing module, wherein,
Memory module, for prestoring unsuccessfully network identification information and its corresponding failure network formats；
Processing module, for when the ability inquiry message that network side is issued is received, obtaining the current network mark of user equipment
Knowledge information, detects whether current network identification information is identical with the failure network identification information that memory module is prestored, such as
It is really identical, the corresponding failure network formats of the failure network identification information are obtained, currently supported according to the user equipment
Network formats and the failure network formats, generate terminal ability information；The terminal ability information is sent to the net
Network side.
2. user equipment according to claim 1, it is characterised in that also including search module, for when receiving network
During the redirection information that side issues, the target frequency in redirection information is scanned for, when the failure of target frequency is searched for,
By current network identification and the corresponding network formats of target frequency of search failure, the failure network mark in memory module is stored as
Know and its corresponding failure network formats.
3. user equipment according to claim 2, it is characterised in that the search target frequency is unsuccessfully specifically included：Institute
Cell signal strength where stating the target frequency of search is less than the first predetermined threshold value, or the search target frequency
Duration used is more than the second predetermined threshold value.
4. user equipment according to claim 1, it is characterised in that the network identification information includes tracking area code information
And cell identity information.
5. user equipment according to claim 1, it is characterised in that the generation terminal ability information is specifically included,
In the network formats that the user equipment is currently supported, the failure network formats are set to preset value.
6. a kind of method for realizing speech business of user equipment, it is characterised in that including：
When the ability inquiry message that network side is issued is received, the current network identification information of user equipment is obtained；
If the current network identification information is identical with the failure network identification information that the user equipment is prestored, obtain
Take the corresponding failure network formats of the failure network identification information；
The network formats and the failure network formats currently supported according to the user equipment, generate terminal ability information；
The terminal ability information is sent to the network side.
7. the method for realizing speech business of user equipment according to claim 6, it is characterised in that also include：When entering
During row speech business, the redirection information that network side is issued is received；Target frequency in redirection information is scanned for, when
When search target frequency fails, current network identification and the corresponding network formats of target frequency of search failure are stored as losing
Lose network identity and its corresponding failure network formats.
8. the method for realizing speech business of user equipment according to claim 7, it is characterised in that the search target
Frequency is unsuccessfully specifically included, and the cell signal strength where the target frequency of the search is less than the first predetermined threshold value, or
The duration used by target frequency searched for described in person is more than the second predetermined threshold value.
9. the method for realizing speech business of user equipment according to claim 6, it is characterised in that the network identity
Information includes tracking area code information and cell identity information.
10. the method for realizing speech business of user equipment according to claim 6, it is characterised in that the generation end
End ability information is specifically included, and in the network formats that the user equipment is currently supported, the failure network formats is set to
Preset value.
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