CN106792958A - A kind of system of selection of Serving cell and mobile terminal - Google Patents
A kind of system of selection of Serving cell and mobile terminal Download PDFInfo
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- CN106792958A CN106792958A CN201710107101.2A CN201710107101A CN106792958A CN 106792958 A CN106792958 A CN 106792958A CN 201710107101 A CN201710107101 A CN 201710107101A CN 106792958 A CN106792958 A CN 106792958A
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- serving cell
- mobile terminal
- area code
- code
- position area
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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
- 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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- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
System of selection and mobile terminal the embodiment of the invention discloses a kind of Serving cell, the method include：The Location Area Code of the currently resident Serving cell of mobile terminal is obtained, first position area code is designated as；Whether detection mobile terminal is in search service cell；If so, then being inquired about in the Serving cell for searching, whether to have the Location Area Code of Serving cell be first position area code；If so, then for code corresponding Serving cell in first position area increases biasing.The mobile terminal includes Location Area Code indexing unit, the first position area code for obtaining current resident Serving cell；Detection unit, for detecting whether in search service cell；Search unit, the Serving cell for whether having first position area code for inquiring about；Adjustment unit, for increasing biasing for the corresponding Serving cell of first position area code.Present invention reduces the probability that mobile terminal does location updating because of signal fluctuation, dual-card dual-standby single-pass mobile phone is reduced because certain card does interference of the location updating to another card.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of Serving cell system of selection and mobile terminal.
Background technology
Mobile terminal has been obtained for being widely applied as the basic tool of communication, but mobile terminal can temporarily be lost
Service, such as into the place that the communication signal such as elevator or basement is bad；Such as dual-card dual-standby single-pass mobile phone, blocks 1 and is dialling again
During making a phone call, card 2 will the service of temporarily losing.After 1 end of conversation of card, card 2 can re-search for network.
Sometimes because the reason such as the slightly change of the dynamic of mobile phone signal, boundary effect, mobile terminal has probability selection to separately
One cell for possessing diverse location area code LAC (location area code), causes mobile phone to do location updating
LocationUpdate；In this way, can not only waste the resource of mobile phone and network, some steps of card 1 can be also disturbed or interrupt, than
It is such as quick to fall FAST RETURN after rise.
The content of the invention
The embodiment of the invention provides system of selection and the mobile terminal of a kind of Serving cell, it is intended to which mobile terminal is searched again
When seeking service, prioritizing selection has the cell of LAC identical with former Serving cell to save Internet resources and in double-card dual-standby list
Logical mobile phone is to wherein one interference of card.
In view of this, a kind of embodiment of the present invention first aspect, there is provided system of selection of Serving cell, is applied to movement
Terminal, methods described includes：
The Location Area Code of the currently resident Serving cell of mobile terminal is obtained, first position area code is designated as；
Detect the mobile terminal whether in search service cell；
If so, then inquiring about the service for whether thering is Location Area Code to be the first position area code in the Serving cell for searching
Cell；
If so, then for code corresponding Serving cell in the first position area increases biasing.
In a kind of possible design, inquiry is that have Location Area Code for the first position in the Serving cell for searching
After the Serving cell of area's code, the mobile terminal can also be recorded and lose service to the time for starting search service cell, note
It is the very first time；Judge the very first time whether less than predetermined threshold value；If the very first time is less than predetermined threshold value, perform
Whether the step of having the Location Area Code of the Serving cell for first position area code is inquired about in the Serving cell for searching.
In a kind of possible design, before biasing is increased for the corresponding Serving cell of first position area code, also
May determine that whether the corresponding Serving cell of the first position area code meets access thresholding；If so, being described described in then performing
The step of code corresponding Serving cell in first position area increases biasing.
In a kind of possible design, the value of the biasing is less than working as the corresponding Serving cell of first position area code
The 10% of the front signal value of information.
In the present embodiment, the signal message value includes that the signal intensity for receiving indicates RSSI, Reference Signal Received Quality
RSRQ, Reference Signal Received Power RSRP, signal to noise ratio snr, received signal code power RSCP, chip energy are close with total interfering energy
At least one in the ratio Ec/No of degree.
Embodiment of the present invention second aspect provides a kind of mobile terminal, it is characterised in that including：
Location Area Code indexing unit, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal is designated as the
One Location Area Code；
Detection unit, for detecting the mobile terminal whether in search service cell；
Whether search unit, the Location Area Code for having the Serving cell for being inquired about in the Serving cell for searching is institute
State first position area code；
Adjustment unit, if for the service for thering is Location Area Code to be the first position area code in the Serving cell for searching
Cell, then for code corresponding Serving cell in the first position area increases biasing.
In a kind of possible design, also including timing judging unit, service is lost extremely for recording the mobile terminal
Start the time of search service cell, be designated as the very first time, and judge the very first time whether less than predetermined threshold value.
In a kind of possible design, also including judging unit, for judging the corresponding service of the first position area code
Whether cell meets access thresholding.
In a kind of possible design, the value of the biasing is less than working as the corresponding Serving cell of first position area code
The 10% of the front signal value of information.
In the present embodiment, the signal message value includes that the signal intensity for receiving indicates RSSI, Reference Signal Received Quality
RSRQ, Reference Signal Received Power RSRP, signal to noise ratio snr, received signal code power RSCP, chip energy are close with total interfering energy
At least one in the ratio Ec/No of degree.
As can be seen from the above technical solutions, in the embodiment of the present invention, the Serving cell that mobile terminal is currently resident
Location Area Code is designated as first position area code, and in search service cell, code corresponding service in prioritizing selection original first position area is small
Area, reduces the probability that mobile terminal does location updating because of signal fluctuation.I.e., in embodiments of the present invention, with existing skill
Art is compared, and biasing is increased by for the corresponding Serving cell of first position area code, its selected probability is improved, so as to protect
The probability that mobile terminal does location updating because of signal fluctuation can also be reduced while barrier signal intensity.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the mobile terminal for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is a kind of schematic diagram of system of selection one embodiment of Serving cell of the invention；
Fig. 4 is a kind of schematic diagram of another embodiment of the system of selection of Serving cell of the invention；
Fig. 5 is a kind of schematic diagram of another embodiment of the system of selection of Serving cell of the invention；
Fig. 6 is a kind of schematic diagram of mobile terminal one embodiment of the invention；
Fig. 7 is a kind of schematic diagram of another embodiment of mobile terminal of the invention；
Fig. 8 is a kind of schematic diagram of another embodiment of mobile terminal of the invention；
Fig. 9 is a kind of schematic diagram of another embodiment of mobile terminal of the invention；
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
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 for realizing the optional intelligent terminal of each embodiment one of the invention.
Intelligent terminal 100 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 1 00 with various assemblies, it should be understood that being not required for implementing all showing
The component for going out.More or less component can alternatively be implemented.The element of mobile terminal 1 00 will be discussed in more detail below.
Wireless communication unit 110 can generally include one or more assemblies, and it allows mobile terminal 1 00 and radio communication
Radio communication between system or network.For example, wireless communication unit 110 can include that broadcasting reception module 111, movement are logical
At least one of letter module 112, 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), Radio Data System, the received terrestrial digital broadcasting integrated service of forward link media (MediaFLO@)
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
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module for checking or obtaining the positional information of mobile terminal.Location information module
115 typical case is GPS (global positioning system).According to current technology, GPS calculate from three or more satellites away from
Information application triangulation from information and correct time information and for calculating, so as to according to longitude, latitude and height
Degree calculates three-dimensional current location information exactly.Currently, three satellites are used simultaneously for calculating the method for position and temporal information
And the position by using other satellite correction calculating and the error of temporal information.Additionally, GPS can be by real time
Continuous plus current location information carrys out 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 wind 122, 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 121 can be provided according to the construction of mobile terminal 1 00.Microphone wind 122 can be in telephone relation
Sound (voice data) is received via microphone wind 122 in pattern, logging mode, speech recognition mode etc. operational mode, and
And can be voice data by such acoustic processing.Audio (voice) data after treatment can be in the feelings of telephone calling model
The form that being converted under condition can be sent to mobile communication base station via mobile communication module 112 is exported.Microphone wind 122 can be real
Various types of noises elimination (or suppression) algorithms are applied to eliminate (or suppression) product during receiving and sending audio signal
Raw noise or interference.
User input unit 130 can generate key input data to control mobile terminal 1 00 according to the order of user input
Various operations.User input unit 130 allow the various types of information of user input, and can include keyboard, metal dome,
Touch pad (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, shake
Bar etc..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 include proximity transducer 141.
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 1 00 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 1 00.Can serve as recognizing mobile terminal 1 00 from the various command signals or electric power of base input
Whether signal base on is accurately fitted within.Output unit 150 is configured to be provided with vision, audio and/or tactile manner
Output signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include aobvious
Show 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 100 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 be in call signal reception pattern, call mode, record mould in mobile terminal 1 00
It is that wireless communication unit 110 is received or in memory when under the isotypes such as formula, speech recognition mode, broadcast reception mode
In 160 store voice data transducing audio signal and be output as sound.And, dio Output Modules 152 can provide with
The audio output of the specific function correlation that mobile terminal 1 00 is performed is (for example, call signal receives sound, message sink sound etc.
Deng).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 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be 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 1 00.In addition, the mobile terminal 1 00 in the embodiment of the present invention
Can be such as folded form, board-type, oscillating-type, sliding-type and other various types of mobile terminals, not do herein specifically
Limit.
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.
The communication system that mobile terminal wherein of the invention can be operated is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC 280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC 280 is also structured to form interface with the BSC 275 that can be couple to base station via back haul link.Return
If any one in the interface that journey circuit can be known according to Ganji is constructed, the interface can include such as European standard Gao Rong
Amount digital circuit/Unite States Standard high power capacity digital circuit (E1/T1), asynchronous transfer mode (ATM), procotol (IP), point are right
Point agreement (PPP), frame relay, high-bit-rate digital subscriber line road (HDSL), Asymmetrical Digital Subscriber Line (ADSL) or various types of
Type digital subscriber line (xDSL).It will be appreciated that system can include multiple BSC 275 as shown in Figure 2.
Each BS 270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS 270.Or, each subregion can by two for diversity reception or more
Multiple antennas are covered.Each BS 270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency
Spectrum (for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed intersects can be referred to as CDMA Channel.BS 270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly representing single BSC
275 and at least one BS 270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS 270 can be claimed
It is multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT 295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains useful
Location information.Location information module 115 as shown in Figure 1 is (such as：GPS) it is generally configured to coordinate to obtain with satellite 300
The location information that must be wanted.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use can track mobile whole
Other technologies of the position at end.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb biography
It is defeated.
Used as a typical operation of wireless communication system, BS 270 receives the reverse strand from various mobile terminal 1s 00
Road signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of certain base station reception is anti-
Processed in specific BS 270 to link signal.The data of acquisition are forwarded to the BSC 275 of correlation.BSC provides logical
Words resource allocation and the mobile management function of the coordination including the soft switching process between BS 270.BSC 275 will also be received
Data be routed to MSC 280, its provide for PSTN 290 formed interface extra route service.Similarly, PSTN
290 form interface with MSC 280, and MSC and BSC 275 form interface, and BSC 275 correspondingly controls BS 270 with by forward direction
Link signal is sent to mobile terminal 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
Term " first ", " second ", " the 3rd ", " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so that embodiments of the invention described herein for example can be removing
Order beyond those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and theirs is any
Deformation, it is intended that covering is non-exclusive to be included, for example, containing process, method, system, the product of series of steps or unit
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this
A little processes, method, product or other intrinsic steps of equipment or unit.
Fig. 3 is referred to, Fig. 3 is a kind of system of selection one embodiment schematic diagram of Serving cell of the invention, including：
301st, start；
302nd, the Location Area Code of the currently resident Serving cell of mobile terminal is obtained, first position area code is designated as；
Sent in system messages of the above-mentioned Location Area Code LAC on each CBCH.
303rd, detect the mobile terminal whether in search service cell；If so, then entering step 304；If it is not, then as walked
Shown in rapid 306, terminate process；
That is, the state in the service that loses before mobile terminal is, it is necessary to re-search for network；
304th, whether the service for having Location Area Code to be the first position area code is inquired about in the Serving cell for searching small
Area；If so, then entering step 305；If it is not, then as shown at step 306, terminating process.
305th, for code corresponding Serving cell in the first position area increases biasing.
Usually, mobile terminal meeting selection signal intensity or quality highest Serving cell, by being first position area code
Corresponding Serving cell increases biasing can properly increase its selected probability.
Fig. 4 is referred to, Fig. 4 is a kind of another embodiment schematic diagram of the system of selection of Serving cell of the invention, including：
401st, start；
402nd, the Location Area Code of the currently resident Serving cell of mobile terminal is obtained, first position area code is designated as；
Sent in system messages of the above-mentioned Location Area Code LAC on each CBCH.
403rd, detect the mobile terminal whether in search service cell；If so, then entering step 404；If it is not, then as walked
Shown in rapid 408, terminate process；
That is, the state in the service that loses before mobile terminal is, it is necessary to re-search for network；
404th, whether the service for having Location Area Code to be the first position area code is inquired about in the Serving cell for searching small
Area；If so, then entering step 405；If it is not, then as denoted in step 408, terminating process；
405th, record the mobile terminal and lose service to the time for starting search service cell, be designated as the very first time；
I.e. the very first time is that mobile terminal is lost after service to starting the time span of search service cell, that is, is moved
Dynamic terminal is in the time of non-service state；
406th, judge the very first time whether less than predetermined threshold value；If so, then entering step 407；If it is not, then such as step
Shown in 408, terminate process；
Usually, the predetermined threshold value is less than 1 hour, and the very first time is contrasted with predetermined threshold value, can preferably at judgement
Whether mobile terminal is simply temporarily in non-service state, such as passed through in elevator, from the too weak place of the signals such as basement
Cross or the card 1 of dual-card dual-standby single-pass mobile phone is calling period, the scene for causing card 2 to lose service is belonged to and is temporarily in
Non-service state；
407th, for code corresponding Serving cell in the first position area increases biasing；
Usually, mobile terminal meeting selection signal intensity or quality highest Serving cell, by being first position area code
Corresponding Serving cell increases biasing can properly increase its selected probability.
Alternatively, on the basis of the corresponding any one alternative embodiments of above-mentioned Fig. 2 or Fig. 3, the embodiment of the present invention is provided
Serving cell system of selection another alternative embodiment in, be that the first position area corresponding Serving cell of code increases
Before biasing is put, also include：
501st, start；
502nd, judge whether the corresponding Serving cell of the first position area code meets access thresholding；If so, then performing institute
State as 503 the step of code corresponding Serving cell in the first position area increases biasing；If it is not, service then as new such as 504 selections
Cell；
505th, terminate.
Usually, mobile terminal is when cell is selected, it will arrange priority by certain criterion, such as arranged by signal intensity
Sequence, or sorted by signal quality.In sequence, only meet in the corresponding Serving cell of first position area code and access door
In the case of limit, just carry out increasing the treatment of biasing.When such as being sorted by signal intensity, code corresponding service in first position area is small
The signal intensity in area is -90dBm, meets and accesses thresholding, now, then its signal intensity is set into (- 90+P) dBm, and P can be 1
To 9dBm；Sequence is then engage in, so as to increase the selected probability of the cell.When being sorted by signal quality or other standards, place
Reason mode is similar, corresponding to Serving cell increase corresponding with first position area code inclined in the case where access thresholding is met
Put, improve its selected probability.
Alternatively, on the basis of above-described embodiment, the one of the system of selection of Serving cell provided in an embodiment of the present invention
In individual alternative embodiment；The current signal information value of the value of biasing Serving cell corresponding less than first position area code
10%.
In the present embodiment, signal message value include receive signal intensity indicate RSSI, Reference Signal Received Quality RSRQ,
Reference Signal Received Power RSRP, signal to noise ratio snr, received signal code power RSCP, chip energy and total interfering energy density
At least one in ratio Ec/No.
More particularly it relates to network formats include but is not limited to LTE, WCDMA, GSM, CDMA.Wherein, LTE
Signal message value include：RSSI、RSRQ、RSRP、SNR；The signal message value of WCDMA includes：RSCP, Ec/No；The letter of GSM
Number value of information includes：RSSI.
Above to the embodiment of the present invention in, be described, the mobile terminal in the embodiment of the present invention is carried out below
Description.
As shown in fig. 6, in the embodiment of the present invention mobile terminal one embodiment, including：
Location Area Code indexing unit 601, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal, is designated as
First position area code；
Detection unit 602, for detecting the mobile terminal whether in search service cell；
Search unit 603, for inquiring about the Location Area Code for whether having the Serving cell in the Serving cell for searching
It is first position area code；
Adjustment unit 604, if being the first position area code for there is Location Area Code in the Serving cell for searching
Serving cell, then for code corresponding Serving cell in the first position area increases biasing.
Usually, mobile terminal meeting selection signal intensity or quality highest Serving cell, by being first position area code
Corresponding Serving cell increases biasing can properly increase its selected probability.
As shown in fig. 7, in the embodiment of the present invention mobile terminal another embodiment, including：
Location Area Code indexing unit 701, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal, is designated as
First position area code；
Detection unit 702, for detecting the mobile terminal whether in search service cell；
Timing judging unit 703, service is lost to the time for starting search service cell for recording the mobile terminal,
The very first time is designated as, and judges the very first time whether less than predetermined threshold value；That is the very first time is that mobile terminal loses clothes
To the time span for starting search service cell after business, that is, mobile terminal is in the time of non-service state；Usually, should
Predetermined threshold value is less than 1 hour, and the very first time is contrasted with predetermined threshold value, can preferably at judgement mobile terminal whether be
Non-service state is temporarily in, is such as passed through or dual-card dual-standby single-pass hand in elevator, from the too weak place of the signals such as basement
During calling, the scene for causing card 2 to lose service is belonged to temporarily in non-service state the card 1 of machine.
Search unit 704, for inquiring about the Location Area Code for whether having the Serving cell in the Serving cell for searching
It is first position area code；
Adjustment unit 705, if being the first position area code for there is Location Area Code in the Serving cell for searching
Serving cell, then for code corresponding Serving cell in the first position area increases biasing.
In the present embodiment, after timing judging unit 703 judges the very first time less than predetermined threshold value, search unit
704 just can be inquired about in the Serving cell for searching whether have the Serving cell Location Area Code be the first position area
Code.
As shown in figure 8, in the embodiment of the present invention mobile terminal another embodiment, including：
Location Area Code indexing unit 801, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal, is designated as
First position area code；
Detection unit 802, for detecting the mobile terminal whether in search service cell；
Judging unit 803, for judging whether the corresponding Serving cell of the first position area code meets access thresholding.
Search unit 804, for inquiring about the Location Area Code for whether having the Serving cell in the Serving cell for searching
It is first position area code；
Adjustment unit 805, if being the first position area code for there is Location Area Code in the Serving cell for searching
Serving cell, then for code corresponding Serving cell in the first position area increases biasing.
In the present embodiment, the judgement structure of only judging unit 803 is that code corresponding Serving cell in first position area meets
When accessing thresholding, adjustment unit 805 just can increase biasing for the first position area corresponding Serving cell of code, in this way, can be with
Ensure mobile terminal will not access a signal too it is poor cannot normal service Serving cell.Reduced really in serving cell signal
In the case of, mobile terminal can also access new cell by cell reselection.
As shown in figure 9, in the embodiment of the present invention mobile terminal another embodiment, including：
Location Area Code indexing unit 901, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal, is designated as
First position area code；
Detection unit 902, for detecting the mobile terminal whether in search service cell；
Timing judging unit 903, service is lost to the time for starting search service cell for recording the mobile terminal,
The very first time is designated as, and judges the very first time whether less than predetermined threshold value；
Search unit 904, for inquiring about the Location Area Code for whether having the Serving cell in the Serving cell for searching
It is first position area code；
Judging unit 905, for judging whether the corresponding Serving cell of the first position area code meets access thresholding.
Adjustment unit 906, if being the first position area code for there is Location Area Code in the Serving cell for searching
Serving cell, then for code corresponding Serving cell in the first position area increases biasing.
In the present embodiment, after timing judging unit 903 judges the very first time less than predetermined threshold value, search unit
904 just can be inquired about in the Serving cell for searching whether have the Serving cell Location Area Code be the first position area
Code.When the judgement structure of only judging unit 905 is that code corresponding Serving cell in first position area meets access thresholding, adjustment is single
Unit 906, just can increase biasing, so, it is ensured that mobile terminal will not for the corresponding Serving cell of first position area code
Access signal too it is poor cannot normal service Serving cell.It is mobile whole in the case where serving cell signal is reduced really
End can also access new cell by cell reselection.
Alternatively, on the basis of based on the corresponding embodiments of above-mentioned Fig. 6 to Fig. 9, service provided in an embodiment of the present invention is small
In one alternative embodiment of the system of selection in area；The value of biasing is less than working as the corresponding Serving cell of first position area code
The 10% of the front signal value of information.
In the present embodiment, signal message value include receive signal intensity indicate RSSI, Reference Signal Received Quality RSRQ,
Reference Signal Received Power RSRP, signal to noise ratio snr, received signal code power RSCP, chip energy and total interfering energy density
At least one in ratio Ec/No.
More particularly it relates to network formats include but is not limited to LTE, WCDMA, GSM, CDMA.Wherein, LTE
Signal message value include：RSSI、RSRQ、RSRP、SNR；The signal message value of WCDMA includes：RSCP, Ec/No；The letter of GSM
Number value of information includes：RSSI.
It is excellent when service is recovered in the embodiment of the present invention, there is provided a kind of system of selection of Serving cell and mobile terminal
The cell that first selection has same position area code with the Serving cell lost before servicing reduces mobile phone and is done because of signal fluctuation
The probability of location updating；Its increase biasing is just given in the case where cell meets and accesses thresholding simultaneously, it is ensured that mobile phone will not be accessed
One signal too it is poor cannot normal service cell；In the case where cell signal is reduced really, mobile terminal can also pass through
Cell reselection accesses new cell.The present invention can save the resource of mobile phone and network, and reduce dual-card dual-standby single-pass hand
Machine disturbs or interrupts the probability of the operating procedure of another card because certain card does location updating, improves Consumer's Experience.
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 system of selection of Serving cell, is applied to mobile terminal, and methods described includes：
The Location Area Code of the currently resident Serving cell of mobile terminal is obtained, first position area code is designated as；
Detect the mobile terminal whether in search service cell；
If so, it is small that whether the service for having Location Area Code to be the first position area code is then inquired about in the Serving cell for searching
Area；
If so, then for code corresponding Serving cell in the first position area increases biasing.
2. the system of selection of Serving cell according to claim 1, it is characterised in that looked into the Serving cell for searching
After inquiry is the Serving cell for having Location Area Code to be first position area code, methods described also includes step：
Record the mobile terminal and lose service to the time for starting search service cell, be designated as the very first time；
If the very first time be less than predetermined threshold value, perform described in inquire about whether have the clothes in the Serving cell for searching
The step of Location Area Code of cell of being engaged in is for first position area code.
3. the system of selection of Serving cell according to claim 1, it is characterised in that described is first position area code
Before corresponding Serving cell increases biasing, methods described also includes step：
Judge whether the corresponding Serving cell of the first position area code meets access thresholding；
If so, the step of then performing the Serving cell increase biasing corresponding for first position area code.
4. the system of selection of the Serving cell according to claim 1 or 3, it is characterised in that the value of the biasing is less than institute
State the 10% of the current signal information value of the corresponding Serving cell of first position area code.
5. the system of selection of Serving cell according to claim 4, it is characterised in that the signal message value includes receiving
Signal intensity indicate RSSI, Reference Signal Received Quality RSRQ, Reference Signal Received Power RSRP, signal to noise ratio snr, receive letter
At least one in same level RSCP, chip energy and the ratio Ec/No of total interfering energy density.
6. a kind of mobile terminal, it is characterised in that including：
Location Area Code indexing unit, the Location Area Code for obtaining the currently resident Serving cell of mobile terminal, is designated as first
Put area's code；
Detection unit, for detecting the mobile terminal whether in search service cell；
Search unit, whether it is described the to have the Location Area Code of the Serving cell for being inquired about in the Serving cell for searching
One Location Area Code；
Adjustment unit, if the service for there is Location Area Code to be the first position area code in the Serving cell for searching is small
Area, then for code corresponding Serving cell in the first position area increases biasing.
7. mobile terminal according to claim 6, it is characterised in that also including timing judging unit, for recording the shifting
Dynamic lost terminal was serviced to the time for starting search service cell, was designated as the very first time, and judge whether the very first time is small
In predetermined threshold value.
8. mobile terminal according to claim 6, it is characterised in that also including judging unit, for judging described first
Put whether code corresponding Serving cell in area's meets access thresholding.
9. the mobile terminal according to claim 6 or 8, it is characterised in that the value of the biasing is less than the first position area
The 10% of the current signal information value of the corresponding Serving cell of code.
10. mobile terminal according to claim 9, it is characterised in that the signal message value includes the signal intensity for receiving
Indicate RSSI, Reference Signal Received Quality RSRQ, Reference Signal Received Power RSRP, signal to noise ratio snr, received signal code power
At least one in RSCP, chip energy and the ratio Ec/No of total interfering energy density.
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| CN201710107101.2A CN106792958B (en) | 2017-02-27 | 2017-02-27 | Method for selecting serving cell and mobile terminal |
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