CN104427559B - Small region search method and equipment after a kind of Idle state terminal device off-grid - Google Patents
Small region search method and equipment after a kind of Idle state terminal device off-grid Download PDFInfo
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- CN104427559B CN104427559B CN201310367652.4A CN201310367652A CN104427559B CN 104427559 B CN104427559 B CN 104427559B CN 201310367652 A CN201310367652 A CN 201310367652A CN 104427559 B CN104427559 B CN 104427559B
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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
Abstract
The invention discloses the small region search method after a kind of Idle state terminal device off-grid and equipment, this method to include：Terminal device reads the system information that this terminal device receives before off-grid after off-grid, and system information includes the gravity treatment frequency of cell and the gravity treatment priority of each gravity treatment frequency；Each gravity treatment frequency is ranked up using the gravity treatment priority of each gravity treatment frequency；According to the ranking results of each gravity treatment frequency, each gravity treatment frequency is searched for successively since the gravity treatment frequency of gravity treatment highest priority, until can be resident in cell corresponding to gravity treatment frequency.In the embodiment of the present invention, resident gravity treatment frequency can be initiated by Idle state terminal device is searched as early as possible after off-grid, the off-grid time of Idle state terminal device is reduced, reduces the gravity treatment of the past high priority cell after Idle state terminal device re-accessing network, improves the use feeling of user.
Description
Technical field
The present invention relates to communication technical field, more particularly, to the cell searching after a kind of Idle state terminal device off-grid
Method and apparatus.
Background technology
In mobile communication system, move out network coverage in Idle state terminal device and be not successfully completed cell
Gravity treatment or Idle state terminal device be moved to persistent district covering cavity at or Idle state terminal device current service it is small
Area is exited under the scenes such as service, and Idle state terminal device can occur to be unsatisfactory for resident criterion in current persistent district for a period of time
Afterwards, it is forced off-grid and re-searches for the cell that can be resident.
In cell search process after Idle state terminal device off-grid, existing way of search is：Idle state terminal is set
It is standby to search for all gravity treatment frequencies successively according to the order of setting.In this manner, Idle state terminal device can after off-grid
It can take long enough to search and can initiate resident gravity treatment frequency, then cause the off-grid of Idle state terminal device
Overlong time, influence the use feeling of user.
The content of the invention
Small region search method and equipment after a kind of Idle state terminal device off-grid of offer of the embodiment of the present invention, so that idle
State terminal device searches as early as possible after off-grid can initiate resident gravity treatment frequency.
In order to achieve the above object, the embodiment of the present invention provides the cell searching side after a kind of Idle state terminal device off-grid
Method, including：
Terminal device reads the system information that this terminal device receives before off-grid after off-grid, in the system information
The gravity treatment priority of gravity treatment frequency and each gravity treatment frequency including cell；
The terminal device is ranked up using the gravity treatment priority of each gravity treatment frequency to each gravity treatment frequency；
The terminal device according to each gravity treatment frequency ranking results, since the gravity treatment frequency of gravity treatment highest priority according to
Secondary each gravity treatment frequency of search, until can be resident in cell corresponding to gravity treatment frequency.
The embodiment of the present invention provides the cell searching apparatus after a kind of Idle state terminal device off-grid, including：
Acquisition module, for after terminal device off-grid, reading the system information that the terminal device receives before off-grid,
The system information includes the gravity treatment frequency of cell and the gravity treatment priority of each gravity treatment frequency；
Order module, each gravity treatment frequency is ranked up for the gravity treatment priority using each gravity treatment frequency；
Processing module, for the ranking results according to each gravity treatment frequency, since the gravity treatment frequency of gravity treatment highest priority
Each gravity treatment frequency is searched for successively, until can be resident in cell corresponding to gravity treatment frequency.
Compared with prior art, the embodiment of the present invention at least has advantages below：In the embodiment of the present invention, based on Idle state
Gravity treatment frequency and gravity treatment priority in the system information that terminal device receives before off-grid are ranked up to each gravity treatment frequency, and
According to the ranking results of each gravity treatment frequency, search for each gravity treatment frequency successively since the gravity treatment frequency of gravity treatment highest priority, make
Idle state terminal device searches and can initiate resident gravity treatment frequency as early as possible after off-grid, reduce Idle state terminal device
The off-grid time, and the gravity treatment of the past high priority cell after Idle state terminal device re-accessing network is reduced, improve user's
Use feeling.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the small region search method flow after a kind of Idle state terminal device off-grid that the embodiment of the present invention one provides is shown
It is intended to；
Fig. 2 is that the cell searching apparatus structure after a kind of Idle state terminal device off-grid that the embodiment of the present invention two provides is shown
It is intended to.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described, shown
So, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one
For problems of the prior art, in Idle state terminal device off-grid and the frequency for being once resident network is searched for
After point failure, the embodiment of the present invention one provides a kind of small region search method of Idle state terminal device after off-grid, such as Fig. 1
Shown, this method comprises the following steps：
Step 101, terminal device（That is Idle state terminal device）After off-grid, read this terminal device and received before off-grid
System information（Such as：Last system information that this terminal device receives before off-grid）.Wherein, the system information includes
The gravity treatment priority of the gravity treatment frequency of cell and each gravity treatment frequency.
Wherein, the terminal device includes but is not limited to single mode multiband terminal equipment, multi-mode terminal equipment, data Terminal Type
Equipment, voice class terminal device etc..The data class terminal device includes but is not limited to data card, MiFi（Portable broadband wireless
Device）、CPE（Customer Premise Equipment, ustomer premises access equipment）Deng.The voice class terminal device includes but unlimited
Voice class terminal device, multimode double standby voice class terminal device etc. are treated in single mode multiband voice class terminal device, multimode list.Should
Multimode double standby voice class terminal device can be equal to two single mode multiband voice class terminal devices, and each mould is applied respectively
Small region search method of the Idle state terminal device that the embodiment of the present invention proposes after off-grid.
Step 102, terminal device is ranked up using the gravity treatment priority of each gravity treatment frequency to each gravity treatment frequency.Wherein,
The ranking results of each gravity treatment frequency can be：The high gravity treatment frequency of the gravity treatment frequency of gravity treatment highest priority, the preferential level of gravity treatment,
By that analogy, the minimum gravity treatment frequency of gravity treatment priority.Or the ranking results of each gravity treatment frequency can be：Gravity treatment priority
The low gravity treatment frequency of minimum gravity treatment frequency, the preferential level of gravity treatment, by that analogy, the gravity treatment frequency of gravity treatment highest priority.
Step 103, terminal device is opened according to the ranking results of each gravity treatment frequency from the gravity treatment frequency of gravity treatment highest priority
Beginning searches for each gravity treatment frequency successively, until can be resident in cell corresponding to gravity treatment frequency.
In a kind of preferred embodiment of the embodiment of the present invention, terminal device according to each gravity treatment frequency ranking results, from
The gravity treatment frequency of gravity treatment highest priority starts to search for each gravity treatment frequency successively, until can be in cell corresponding to gravity treatment frequency
Resident process is carried out, is specifically including but not limited to following manner：
Terminal device searches for the gravity treatment frequency of gravity treatment highest priority, and compares the gravity treatment frequency pair of gravity treatment highest priority
The signal intensity and q-RxLevMin answered（Minimum receives level）；When signal corresponding to the gravity treatment frequency of gravity treatment highest priority
When intensity is not less than q-RxLevMin, cell corresponding to gravity treatment frequency of the terminal device in gravity treatment highest priority is initiated resident；
If be resident successfully, cell corresponding to gravity treatment frequency of the terminal device in gravity treatment highest priority is resident, and is stopped to it
The search procedure of its gravity treatment frequency；If resident failure, terminal device continue search for the high gravity treatment frequency of the preferential level of gravity treatment, and
Compare signal intensity and q-RxLevMin corresponding to the high gravity treatment frequency of gravity treatment priority time；By that analogy, until terminal
Equipment can be resident in cell corresponding to gravity treatment frequency；When signal intensity corresponding to the gravity treatment frequency of gravity treatment highest priority
During less than q-RxLevMin, terminal device continues search for the high gravity treatment frequency of the preferential level of gravity treatment, and it is high to compare gravity treatment priority time
Gravity treatment frequency corresponding to signal intensity and q-RxLevMin；By that analogy, until terminal device can be in gravity treatment frequency
Corresponding cell is resident.
In the embodiment of the present invention, when terminal device resides in LTE before off-grid（Long Term Evolution, are drilled for a long time
Enter）During network, system information SIB5（System Information Block5, system information block 5）, SIB6 or SIB7；
When terminal device resides in UMTS before off-grid（Universal Mobile Telecommunications System, it is general
GSM）During network, system information SIB19.
When system information is SIB5, gravity treatment frequency is carrierFreq, and the gravity treatment frequency is different for the LTE of current area
CarrierFreq in the frequency of frequency adjacent area, i.e. SIB5 represents the frequency of the LTE alien frequencies adjacent area of current area.Gravity treatment priority
For cellReselectionPriority, the gravity treatment priority is the gravity treatment priority of the frequency of LTE alien frequencies adjacent area, i.e. SIB5
In cellReselectionPriority represent terminal device trigger LTE alien frequencies cell reselection when, LTE alien frequencies adjacent area
Frequency absolute gravity treatment priority.
When system information is SIB6, gravity treatment frequency is carrierFreq, and the gravity treatment frequency is adjacent for the UMTS of current area
CarrierFreq in the frequency in area, i.e. SIB6 represents the frequency of the UMTS adjacent areas of current area.Gravity treatment priority is
CellReselectionPriority, the gravity treatment priority for the frequency of UMTS adjacent areas gravity treatment priority, i.e. in SIB6
CellReselectionPriority represents terminal device when triggering the cell reselection from LTE to UMTS, the frequency of UMTS adjacent areas
The absolute gravity treatment priority of point.
When system information is SIB7, gravity treatment frequency is carrierFreq, and the gravity treatment frequency is the GSM of current area
（Global System of Mobile communication, global system for mobile communications）In the frequency of adjacent area, i.e. SIB7
CarrierFreqs represents the frequency of the GSM adjacent areas of current area.Gravity treatment priority is cellReselectionPriority,
The gravity treatment priority is the gravity treatment priority of the frequency of GSM adjacent areas, i.e. cellReselectionPriority in SIB7 represents
Terminal device is when triggering the cell reselection from LTE to GSM, the absolute gravity treatment priority of the frequency of GSM adjacent areas.
In the embodiment of the present invention, when terminal device resides in LTE network before off-grid, q-RxLevMin will be carried on
In SIB5, SIB6 or SIB7.When carrying q-RxLevMin in SIB5, q-RxLevMin represents that the LTE alien frequencies of current area is adjacent
Area meets that the minimum of resident condition receives level（dBm）；When carrying q-RxLevMin in SIB6, q-RxLevMin represents current
The UMTS adjacent areas of cell meet that the minimum of resident condition receives level（dBm）；When carrying q-RxLevMin in SIB7, q-
RxLevMin represents that the GSM adjacent areas of current area meet that the minimum of resident condition receives level（dBm）.
When system information is SIB19, as UTRAN belonging to gravity treatment frequency（Universal Terrestrial Radio
Access Network, Universal Terrestrial Radio Access Network）-FDD（Frequency Division Duplex, FDD）-
Frequency（Frequency）When lower, gravity treatment frequency is uarfcn, and the gravity treatment frequency is the WCDMA of current persistent district（Wideband
Code Division Multiple Access, WCDMA）The frequency of alien frequencies adjacent area.Gravity treatment priority is
Priority, the gravity treatment priority are the gravity treatment priority of the frequency of WCDMA alien frequencies adjacent area, i.e., the gravity treatment priority represents current
The absolute gravity treatment priority of the frequency of the WCDMA alien frequencies adjacent area of persistent district.In the case, q-RxLevMin will be carried on
In SIB19, the q-RxLevMin is qRxLevMinFDD, and the q-RxLevMin represents the WCDMA alien frequencies of current persistent district
Adjacent area meets that the minimum of resident condition receives level.
As UTRAN-TDD belonging to gravity treatment frequency（Time Division Duplexing, time division duplex）-Frequency
When, gravity treatment frequency is uarfcn, and the gravity treatment frequency is the TD-SCDMA of current persistent district（Time Division-
Synchronous Code Division Multiple Access, TD SDMA）The frequency of alien frequencies adjacent area.Weight
It is priority to select priority, and the gravity treatment priority is the gravity treatment priority of the frequency of TD-SCDMA alien frequencies adjacent area, i.e. the gravity treatment
Priority represents the absolute gravity treatment priority of the frequency of the TD-SCDMA alien frequencies adjacent area of current persistent district.In the case, q-
RxLevMin will be carried in SIB19, and the q-RxLevMin is qRxLevMinTDD, and the q-RxLevMin represents current resident
The TD-SCDMA alien frequencies adjacent area of cell meets that the minimum of resident condition receives level.
When GSM network belonging to gravity treatment frequency（GSM-PriorityInfo）When lower, gravity treatment frequency is gsmCellGroup,
The gravity treatment frequency is the frequency of the GSM adjacent areas of current persistent district.Gravity treatment priority is priority, and the gravity treatment priority is
The gravity treatment priority of the frequency of GSM adjacent areas, i.e. the gravity treatment priority represent the absolute of the frequency of the GSM adjacent areas of current persistent district
Gravity treatment priority.In the case, q-RxLevMin will be carried in SIB19, and the q-RxLevMin is qRxLevMinGSM, and
The q-RxLevMin represents that the GSM adjacent areas of current persistent district meet that the minimum of resident condition receives level.
When gravity treatment frequency belongs to LTE network or EUTRA（Evolved Universal Terrestrial Radio
Access, the Universal Terrestrial wireless access of evolution）Network（EUTRA-FrequencyAndPriorityInfo）When lower, gravity treatment frequency
Point is earfcn, and the gravity treatment frequency is the frequency of the LTE adjacent areas of current persistent district.Gravity treatment priority is priority, and this is heavy
The gravity treatment priority for the frequency that priority is LTE adjacent areas is selected, i.e. the gravity treatment priority represents the LTE adjacent areas of current persistent district
The absolute gravity treatment priority of frequency.In the case, q-RxLevMin will be carried in SIB19, and the q-RxLevMin is
QRxLevMinEUTRA, and q-RxLevMin represents that the LTE adjacent areas of current persistent district meet that the minimum of resident condition receives electricity
It is flat.
It should be noted that said process resides in LTE network or UMTS network just for terminal device before off-grid
It is illustrated.LTE network or UMTS network are not limited in the embodiment of the present invention, as long as Idle state terminal device resides in
In network, the network of the system information comprising gravity treatment frequency and gravity treatment priority can be received in the protection of the embodiment of the present invention
Within the scope of, the no longer elaborate to this.
Below in conjunction with LTE network or UMTS network, said process is further elaborated.
In a step 101, terminal device is after off-grid, if terminal device resides in LTE network, terminal before off-grid
Equipment reads last SIB5 or SIB6 or SIB7 that this terminal device receives before off-grid, and from last SIB5 or
The gravity treatment frequency of cell and the gravity treatment priority of each gravity treatment frequency are extracted in SIB6 or SIB7.If terminal device is before off-grid
UMTS network is resided in, then terminal device reads in last SIB19 that this terminal device receives before off-grid and extracts cell
Gravity treatment frequency and each gravity treatment frequency gravity treatment priority.Wherein, terminal device can be with self-defined off-grid time timer, such as
3 minutes, i.e., the system information that terminal device receives before off-grid in 3 minutes is valid data.
In a step 102, if terminal device resides in LTE network before off-grid, terminal device utilizes SIB5 or SIB6
Or the gravity treatment priority of each gravity treatment frequency in SIB7 is ranked up to each gravity treatment frequency, the ranking results of each gravity treatment frequency are：
The high gravity treatment frequency of the gravity treatment frequency of gravity treatment highest priority, the preferential level of gravity treatment, by that analogy, the minimum weight of gravity treatment priority
Frequency-selecting point.If terminal device resides in UMTS network before off-grid, terminal device utilizes the weight of each gravity treatment frequency in SIB19
Priority is selected to be ranked up each gravity treatment frequency, the ranking results of each gravity treatment frequency are：The gravity treatment frequency of gravity treatment highest priority,
The high gravity treatment frequency of the preferential level of gravity treatment, by that analogy, the minimum gravity treatment frequency of gravity treatment priority.
In step 103, if terminal device resides in LTE network, terminal device search gravity treatment priority before off-grid
Highest gravity treatment frequency, and compare signal intensity and q-RxLevMin corresponding to the gravity treatment frequency of gravity treatment highest priority（Its
It is carried in SIB5 or SIB6 or SIB7）；When signal intensity corresponding to the gravity treatment frequency of gravity treatment highest priority is not less than q-
During RxLevMin, cell corresponding to gravity treatment frequency of the terminal device in gravity treatment highest priority is initiated resident；If be resident successfully,
Cell corresponding to gravity treatment frequency of the terminal device in gravity treatment highest priority is resident, and stops searching other gravity treatment frequencies
Rope process；If resident failure, terminal device continues search for the high gravity treatment frequency of the preferential level of gravity treatment, and compares gravity treatment priority
Signal intensity and q-RxLevMin corresponding to secondary high gravity treatment frequency；By that analogy, until terminal device can be in gravity treatment
Cell is resident corresponding to frequency；When signal intensity corresponding to the gravity treatment frequency of gravity treatment highest priority is less than q-RxLevMin
When, terminal device continues search for the high gravity treatment frequency of the preferential level of gravity treatment, and it is corresponding to compare the high gravity treatment frequency of gravity treatment priority time
Signal intensity and q-RxLevMin；By that analogy, until terminal device can be carried out in cell corresponding to gravity treatment frequency
It is resident.
In step 103, if terminal device resides in UMTS network, terminal device search gravity treatment priority before off-grid
Highest gravity treatment frequency, and compare signal intensity and q-RxLevMin corresponding to the gravity treatment frequency of gravity treatment highest priority（Its
It is carried in SIB19）；When signal intensity corresponding to the gravity treatment frequency of gravity treatment highest priority is not less than q-RxLevMin, eventually
Cell corresponding to gravity treatment frequency of the end equipment in gravity treatment highest priority is initiated resident；If be resident successfully, terminal device is in weight
Select cell corresponding to the gravity treatment frequency of highest priority to be resident, and stop the search procedure to other gravity treatment frequencies；If
Resident failure, terminal device continue search for the high gravity treatment frequency of the preferential level of gravity treatment, and compare the high gravity treatment of gravity treatment priority time
Signal intensity corresponding to frequency and q-RxLevMin；By that analogy, until terminal device can be corresponding to gravity treatment frequency
Cell is resident；When signal intensity corresponding to the gravity treatment frequency of gravity treatment highest priority is less than q-RxLevMin, terminal is set
It is standby to continue search for the high gravity treatment frequency of the preferential level of gravity treatment, compare signal intensity corresponding to the high gravity treatment frequency of gravity treatment priority time
And q-RxLevMin；By that analogy, until terminal device can be resident in cell corresponding to gravity treatment frequency.
It should be noted that when gravity treatment frequency belongs to LTE network, Measurement bandwidth is also carried in SIB19, the Measurement bandwidth
For measurementBandwidth, it represents the Measurement bandwidth of the LTE adjacent areas of current persistent district；In the case, terminal
Equipment needs to search for each gravity treatment frequency based on the Measurement bandwidth.
In the embodiment of the present invention, gravity treatment frequency in the system information received based on Idle state terminal device before off-grid and
Gravity treatment priority is ranked up to each gravity treatment frequency, and according to the ranking results of each gravity treatment frequency, from gravity treatment highest priority
Gravity treatment frequency starts to search for each gravity treatment frequency successively so that and Idle state terminal device targetedly searches for frequency after off-grid,
And make Idle state terminal device search as early as possible after off-grid can to initiate resident gravity treatment frequency, reduce Idle state terminal device
The off-grid time, and reduce the gravity treatment of the past high priority cell after Idle state terminal device re-accessing network, improve user
Use feeling.
Embodiment two
Based on the inventive concept same with the above method, a kind of Idle state terminal device is additionally provided in the embodiment of the present invention
Cell searching apparatus after off-grid, as shown in Fig. 2 the equipment includes：
Acquisition module 11, the system letter received for after terminal device off-grid, reading the terminal device before off-grid
Breath, system information include the gravity treatment frequency of cell and the gravity treatment priority of each gravity treatment frequency；
Order module 12, each gravity treatment frequency is ranked up for the gravity treatment priority using each gravity treatment frequency；
Processing module 13, for the ranking results according to each gravity treatment frequency, opened from the gravity treatment frequency of gravity treatment highest priority
Beginning searches for each gravity treatment frequency successively, until can be resident in cell corresponding to gravity treatment frequency.
In the embodiment of the present invention, when the terminal device resides in Long Term Evolution LTE network before off-grid, the system
Information is SIB5, SIB6 or SIB7；
When the system information is SIB5, the gravity treatment frequency is the frequency of the LTE alien frequencies adjacent area of current area, described
Gravity treatment priority is the gravity treatment priority of the frequency of LTE alien frequencies adjacent area；
When the system information is SIB6, the gravity treatment frequency is adjacent for the UMTS UMTS of current area
The frequency in area, the gravity treatment priority are the gravity treatment priority of the frequency of UMTS adjacent areas；
When the system information is SIB7, the gravity treatment frequency is adjacent for the global system for mobile communications GSM of current area
The frequency in area, the gravity treatment priority are the gravity treatment priority of the frequency of GSM adjacent areas.
In the embodiment of the present invention, when the terminal device resides in UMTS UMTS network before off-grid
When, the system information is SIB19；
When the gravity treatment frequency belongs to Universal Terrestrial Radio Access Network UTRAN- FDDs-frequency Frequency
When lower, the gravity treatment frequency is the frequency of the WCDMA WCDMA alien frequencies adjacent area of current area, and the gravity treatment priority is
The gravity treatment priority of the frequency of WCDMA alien frequencies adjacent area；Or
When the gravity treatment frequency belongs under UTRAN- TDDs-Frequency, the gravity treatment frequency is current
The frequency of the TD SDMA TD-SCDMA alien frequencies adjacent area of cell, the gravity treatment priority are TD-SCDMA alien frequencies adjacent area
Frequency gravity treatment priority；Or
When the gravity treatment frequency belongs under GSM network, the gravity treatment frequency is the frequency of the GSM adjacent areas of current area,
The gravity treatment priority is the gravity treatment priority of the frequency of GSM adjacent areas；Or
When the gravity treatment frequency belongs under LTE network, the gravity treatment frequency is the frequency of the LTE adjacent areas of current area,
The gravity treatment priority is the gravity treatment priority of the frequency of LTE adjacent areas.
The processing module 13, the gravity treatment frequency specifically for searching for gravity treatment highest priority, the gravity treatment are preferential
Signal intensity corresponding to level highest gravity treatment frequency and minimum reception level q-RxLevMin；When the gravity treatment highest priority
Gravity treatment frequency corresponding to signal intensity when being not less than q-RxLevMin, it is corresponding in the gravity treatment frequency of the gravity treatment highest priority
Cell initiate it is resident；If be resident successfully, cell corresponding to the gravity treatment frequency in the gravity treatment highest priority is stayed
Stay, and stop the search procedure to other gravity treatment frequencies；If resident failure, continues search for the high gravity treatment of the preferential level of gravity treatment
Frequency, and signal intensity and q-RxLevMin corresponding to the high gravity treatment frequency of the preferential level of the gravity treatment；By that analogy,
Until can be resident in cell corresponding to gravity treatment frequency；When letter corresponding to the gravity treatment frequency of the gravity treatment highest priority
When number intensity is less than q-RxLevMin, the high gravity treatment frequency of the preferential level of gravity treatment, and the gravity treatment priority are continued search for
Signal intensity and q-RxLevMin corresponding to secondary high gravity treatment frequency；By that analogy, until can be corresponding in gravity treatment frequency
Cell be resident.
When the terminal device resides in LTE network before off-grid, the q-RxLevMin will be carried on SIB5,
In SIB6 or SIB7；When carrying the q-RxLevMin in SIB5, q-RxLevMin represents that the LTE alien frequencies of current area is adjacent
Area meets that the minimum of resident condition receives level；When carrying the q-RxLevMin in SIB6, q-RxLevMin represents current
The UMTS adjacent areas of cell meet that the minimum of resident condition receives level；When carrying the q-RxLevMin in SIB7, q-
RxLevMin represents that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；Or
When the terminal device resides in UMTS network before off-grid, the q-RxLevMin will be carried in SIB19；
The q-RxLevMin represents that the WCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；It is or described
Q-RxLevMin represents that the TD-SCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；It is or described
Q-RxLevMin represents that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；Or the q-RxLevMin
Represent that the LTE adjacent areas of current area meet that the minimum of resident condition receives level.
Wherein, the modules of apparatus of the present invention can be integrated in one, and can also be deployed separately.Above-mentioned module can close
And be a module, multiple submodule can also be further split into.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but the former is more in many cases
Good embodiment.Based on such understanding, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product is stored in a storage medium, if including
It is dry to instruct to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform this hair
Method described in bright each embodiment.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module or stream in accompanying drawing
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can describe be divided according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Disclosed above is only several specific embodiments of the present invention, and still, the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (10)
- A kind of 1. small region search method after Idle state terminal device off-grid, it is characterised in that including：Terminal device reads the system information that this terminal device receives before off-grid after off-grid, and the system information includes The gravity treatment priority of the gravity treatment frequency of cell and each gravity treatment frequency；The terminal device is ranked up using the gravity treatment priority of each gravity treatment frequency to each gravity treatment frequency；The terminal device is searched successively according to the ranking results of each gravity treatment frequency since the gravity treatment frequency of gravity treatment highest priority Each gravity treatment frequency of rope, until can be resident in cell corresponding to gravity treatment frequency.
- 2. the method as described in claim 1, it is characterised in that when the terminal device resides in Long Term Evolution before off-grid During LTE network, the system information is SIB5, SIB6 or SIB7；When the system information is SIB5, the gravity treatment frequency for current area LTE alien frequencies adjacent area frequency, the gravity treatment Priority is the gravity treatment priority of the frequency of LTE alien frequencies adjacent area；When the system information is SIB6, the gravity treatment frequency is the UMTS UMTS adjacent areas of current area Frequency, the gravity treatment priority are the gravity treatment priority of the frequency of UMTS adjacent areas；When the system information is SIB7, the gravity treatment frequency is the global system for mobile communications GSM adjacent areas of current area Frequency, the gravity treatment priority are the gravity treatment priority of the frequency of GSM adjacent areas.
- 3. the method as described in claim 1, it is characterised in that lead to when the terminal device resides in General Mobile before off-grid During letter system UMTS network, the system information is SIB19；When the gravity treatment frequency belongs under Universal Terrestrial Radio Access Network UTRAN- FDDs-frequency Frequency When, the gravity treatment frequency is the frequency of the WCDMA WCDMA alien frequencies adjacent area of current area, and the gravity treatment priority is The gravity treatment priority of the frequency of WCDMA alien frequencies adjacent area；OrWhen the gravity treatment frequency belongs under UTRAN- TDDs-Frequency, the gravity treatment frequency is current area TD SDMA TD-SCDMA alien frequencies adjacent area frequency, the gravity treatment priority be TD-SCDMA alien frequencies adjacent area frequency The gravity treatment priority of point；OrWhen the gravity treatment frequency belongs under GSM network, the gravity treatment frequency is the frequency of the GSM adjacent areas of current area, described Gravity treatment priority is the gravity treatment priority of the frequency of GSM adjacent areas；OrWhen the gravity treatment frequency belongs under LTE network, the gravity treatment frequency is the frequency of the LTE adjacent areas of current area, described Gravity treatment priority is the gravity treatment priority of the frequency of LTE adjacent areas.
- 4. the method as described in claim any one of 1-3, it is characterised in that the terminal device according to each gravity treatment frequency row Sequence result, each gravity treatment frequency is searched for successively since the gravity treatment frequency of gravity treatment highest priority, until can be in gravity treatment frequency Corresponding cell carries out resident process, specifically includes：The gravity treatment frequency of the terminal device search gravity treatment highest priority, and the gravity treatment frequency of the gravity treatment highest priority Signal intensity corresponding to point and minimum reception level q-RxLevMin；When signal intensity is not less than q-RxLevMin corresponding to the gravity treatment frequency of the gravity treatment highest priority, the terminal is set Cell corresponding to the standby gravity treatment frequency in the gravity treatment highest priority is initiated resident；If be resident successfully, cell corresponding to gravity treatment frequency of the terminal device in the gravity treatment highest priority is stayed Stay, and stop the search procedure to other gravity treatment frequencies；If resident failure, the terminal device continue search for the high gravity treatment frequency of the preferential level of gravity treatment, and more described heavy Select signal intensity and q-RxLevMin corresponding to the high gravity treatment frequency of preferential level；By that analogy, until the terminal is set It is standby to be resident in cell corresponding to gravity treatment frequency；When signal intensity is less than q-RxLevMin corresponding to the gravity treatment frequency of the gravity treatment highest priority, the terminal device Continue search for the high gravity treatment frequency of the preferential level of gravity treatment, and signal corresponding to the high gravity treatment frequency of the preferential level of the gravity treatment Intensity and q-RxLevMin；By that analogy, until the terminal device can be stayed in cell corresponding to gravity treatment frequency Stay.
- 5. method as claimed in claim 4, it is characterised in thatWhen the terminal device resides in LTE network before off-grid, the q-RxLevMin will be carried on SIB5, SIB6 or In SIB7；When carrying the q-RxLevMin in SIB5, q-RxLevMin represents that the LTE alien frequencies adjacent area of current area meets to stay The minimum of condition is stayed to receive level；When carrying the q-RxLevMin in SIB6, q-RxLevMin represents current area UMTS adjacent areas meet that the minimum of resident condition receives level；When carrying the q-RxLevMin in SIB7, q-RxLevMin tables Show that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；OrWhen the terminal device resides in UMTS network before off-grid, the q-RxLevMin will be carried in SIB19；It is described Q-RxLevMin represents that the WCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；Or the q- RxLevMin represents that the TD-SCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；Or the q- RxLevMin represents that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；Or the q-RxLevMin tables Show that the LTE adjacent areas of current area meet that the minimum of resident condition receives level.
- A kind of 6. cell searching apparatus after Idle state terminal device off-grid, it is characterised in that including：Acquisition module, for after terminal device off-grid, reading the system information that the terminal device receives before off-grid, this is System information includes the gravity treatment frequency of cell and the gravity treatment priority of each gravity treatment frequency；Order module, each gravity treatment frequency is ranked up for the gravity treatment priority using each gravity treatment frequency；Processing module, for the ranking results according to each gravity treatment frequency, since the gravity treatment frequency of gravity treatment highest priority successively Each gravity treatment frequency is searched for, until can be resident in cell corresponding to gravity treatment frequency.
- 7. equipment as claimed in claim 6, it is characterised in that when the terminal device resides in Long Term Evolution before off-grid During LTE network, the system information is SIB5, SIB6 or SIB7；When the system information is SIB5, the gravity treatment frequency for current area LTE alien frequencies adjacent area frequency, the gravity treatment Priority is the gravity treatment priority of the frequency of LTE alien frequencies adjacent area；When the system information is SIB6, the gravity treatment frequency is the UMTS UMTS adjacent areas of current area Frequency, the gravity treatment priority are the gravity treatment priority of the frequency of UMTS adjacent areas；When the system information is SIB7, the gravity treatment frequency is the global system for mobile communications GSM adjacent areas of current area Frequency, the gravity treatment priority are the gravity treatment priority of the frequency of GSM adjacent areas.
- 8. equipment as claimed in claim 6, it is characterised in that lead to when the terminal device resides in General Mobile before off-grid During letter system UMTS network, the system information is SIB19；When the gravity treatment frequency belongs under Universal Terrestrial Radio Access Network UTRAN- FDDs-frequency Frequency When, the gravity treatment frequency is the frequency of the WCDMA WCDMA alien frequencies adjacent area of current area, and the gravity treatment priority is The gravity treatment priority of the frequency of WCDMA alien frequencies adjacent area；OrWhen the gravity treatment frequency belongs under UTRAN- TDDs-Frequency, the gravity treatment frequency is current area TD SDMA TD-SCDMA alien frequencies adjacent area frequency, the gravity treatment priority be TD-SCDMA alien frequencies adjacent area frequency The gravity treatment priority of point；OrWhen the gravity treatment frequency belongs under GSM network, the gravity treatment frequency is the frequency of the GSM adjacent areas of current area, described Gravity treatment priority is the gravity treatment priority of the frequency of GSM adjacent areas；OrWhen the gravity treatment frequency belongs under LTE network, the gravity treatment frequency is the frequency of the LTE adjacent areas of current area, described Gravity treatment priority is the gravity treatment priority of the frequency of LTE adjacent areas.
- 9. the equipment as described in claim any one of 6-8, it is characterised in thatThe processing module, the gravity treatment frequency specifically for searching for gravity treatment highest priority, and the gravity treatment priority is most Signal intensity corresponding to high gravity treatment frequency and minimum reception level q-RxLevMin；When the weight of the gravity treatment highest priority It is small corresponding to the gravity treatment frequency in the gravity treatment highest priority when signal intensity is not less than q-RxLevMin corresponding to frequency-selecting point Initiate resident in area；If be resident successfully, cell corresponding to the gravity treatment frequency in the gravity treatment highest priority is resident, and Stop the search procedure to other gravity treatment frequencies；If resident failure, continues search for the high gravity treatment frequency of the preferential level of gravity treatment, And signal intensity and q-RxLevMin corresponding to the high gravity treatment frequency of the preferential level of gravity treatment；By that analogy, always To can be resident in cell corresponding to gravity treatment frequency；When signal corresponding to the gravity treatment frequency of the gravity treatment highest priority is strong When degree is less than q-RxLevMin, the high gravity treatment frequency of the preferential level of gravity treatment is continued search for, and the preferential level of the gravity treatment is high Gravity treatment frequency corresponding to signal intensity and q-RxLevMin；By that analogy, until can be small corresponding to gravity treatment frequency It is resident in area.
- 10. equipment as claimed in claim 9, it is characterised in thatWhen the terminal device resides in LTE network before off-grid, the q-RxLevMin will be carried on SIB5, SIB6 or In SIB7；When carrying the q-RxLevMin in SIB5, q-RxLevMin represents that the LTE alien frequencies adjacent area of current area meets to stay The minimum of condition is stayed to receive level；When carrying the q-RxLevMin in SIB6, q-RxLevMin represents current area UMTS adjacent areas meet that the minimum of resident condition receives level；When carrying the q-RxLevMin in SIB7, q-RxLevMin tables Show that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；OrWhen the terminal device resides in UMTS network before off-grid, the q-RxLevMin will be carried in SIB19；It is described Q-RxLevMin represents that the WCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；Or the q- RxLevMin represents that the TD-SCDMA alien frequencies adjacent area of current area meets that the minimum of resident condition receives level；Or the q- RxLevMin represents that the GSM adjacent areas of current area meet that the minimum of resident condition receives level；Or the q-RxLevMin tables Show that the LTE adjacent areas of current area meet that the minimum of resident condition receives level.
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| CN107241731B (en) * | 2016-03-29 | 2020-12-15 | 南京车链科技有限公司 | Mobile terminal network reselection control method and device |
| CN107548117B (en) * | 2016-06-26 | 2020-05-08 | 联芯科技有限公司 | Network selection method after terminal equipment offline and terminal equipment |
| CN106961710B (en) * | 2017-02-13 | 2020-04-14 | Oppo广东移动通信有限公司 | Network access method and terminal |
| CN108834199A (en) * | 2018-05-30 | 2018-11-16 | 努比亚技术有限公司 | A kind of method for searching network, device and computer readable storage medium |
| CN114222337B (en) * | 2019-03-27 | 2023-07-28 | Oppo广东移动通信有限公司 | Resource allocation processing method, terminal equipment, network equipment, chip and medium |
| CN111182613B (en) * | 2019-12-20 | 2021-02-02 | 翱捷科技股份有限公司 | Multi-mode mobile terminal and network searching method thereof |
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