CN102355712A - Method for accelerating searching speed of public land mobile network and device - Google Patents
Method for accelerating searching speed of public land mobile network and device Download PDFInfo
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- CN102355712A CN102355712A CN2011103063085A CN201110306308A CN102355712A CN 102355712 A CN102355712 A CN 102355712A CN 2011103063085 A CN2011103063085 A CN 2011103063085A CN 201110306308 A CN201110306308 A CN 201110306308A CN 102355712 A CN102355712 A CN 102355712A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for accelerating the searching speed of a public land mobile network and a device. The method comprises the following steps that: when a public land mobile network (PLMN) needs to be searched and initial community searching is initiated, user equipment (UE) inquires the states of the PLMN in all frequency bands; according to the pre-set priority of the states of all the inquired frequency bands, corresponding frequency points or frequency band clusters are scanned. According to the invention, in an appropriate community can be found out for resident at the highest speed, so that the power consumption of the UE is reduced, and the user experience is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to method and device that a kind of public land mobile network is searched net spee.
Background technology
After UE (user terminal) start, attempt carrying out PLMN (public land mobile network) and search net, then can carry out regular traffic after finding the resident and completing place enrollment process of suitable cell.No matter be that any PLMN searches network process, after the PLMN of selected a certain type, it is resident that UE begins in this PLMN, to search for proper cell, and this process is called cell selecting.
The general flow of cell selecting is: at first judge whether to have resident cell information before this PLMN, if having then preferentially attempt these sub-districts and carry out resident; If do not have or attempt after these information all can not be resident then initiate search of initial zone.
The flow process of search of initial zone comprises frequency sweep and Cell searching, earlier in the enterprising line scanning of given frequency range, by attempting on each frequency, carrying out Cell searching after the RSSI descending successively.
The initial cell search procedure of prior art need be initiated the full frequency band frequency sweep all the time, and for general UE, can resident PLMN has a plurality ofly, if when certain PLMN does search of initial zone, all initiate the full frequency band frequency sweep at every turn, can compare power consumption and consuming time.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of method and device that public land mobile network is searched net spee of accelerating, and is used for solving prior art because power consumption that the scanning of employing full frequency band is brought and problem consuming time.
The object of the invention is mainly realized through following technical scheme:
The invention provides a kind of method that public land mobile network PLMN searches net spee of accelerating, comprising:
Search net during concurrent initial Cell searching when needs carry out PLMN, user terminal UE inquires about the state of this each frequency range of PLMN;
According to the predetermined priority of the state of each frequency range that inquires, carry out corresponding frequency point scanning or frequency range set scanning.
Further, before the initiation search of initial zone, also comprise:
UE set up in advance its support every type of PLMN frequency meter and to comprise in each frequency meter PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage.
Wherein, the state of frequency range comprises: the unknown, do not support, and support but frequency point information is imperfect, and support and frequency point information are complete; Wherein, unknown state is as the initial condition of frequency range.
Further, the process of storage specifically comprises:
After UE successfully resides in a sub-district, write down the PLMNID of this sub-district;
Stored frequency information is carried out matching treatment frequency information of supporting according to this PLMN that obtains from this sub-district and the frequency meter, and the state of the unsupported frequency range of UE is set to not support; Frequency range for the UE support; Add the dominant frequency point of this sub-district and adjacent area thereof to frequency meter as discrete frequency; Judge then whether the frequency points of having stored equals the center of maximum frequency points that this frequency range is supported; If; The state of this frequency range is set to support but frequency point information is imperfect, otherwise the state of this frequency range is set to support and frequency point information is complete.
Further, user terminal UE step that the state of this each frequency range of PLMN is inquired about specifically comprises:
When carrying out PLMN, needs search net during concurrent initial Cell searching, the band information of all frequency ranges that acquisition capability is supported;
For each frequency range in the frequency meter of this PLMN; Predetermined priority according to the state of each frequency range is inquired about from high to low, and wherein predetermined priority is: support and the complete state of frequency point information is better than supporting frequency point information but incomplete state is better than unknown state.
Further, initiate also to comprise before the search of initial zone:
Judge whether to have this PLMN resident cell information before, if having, then preferential trial is carried out resident in this sub-district; If do not have or attempt the failure, then initiate search of initial zone.
Further, according to the predetermined priority of the state of each frequency range that inquires, the step of carrying out corresponding frequency point scanning or frequency range set scanning specifically comprises:
For each frequency range in the frequency meter, be that support and the complete frequency range of frequency point information are stored discrete frequency frequency sweep preferentially at state; If for supporting and the complete all resident failure of frequency range of frequency point information, then attempt at state for supporting but the incomplete frequency range of frequency point information is carried out frequency range set frequency sweep at state; If state is to support but all resident failure of the incomplete frequency range of frequency for frequency range and the state supported and frequency point information is complete, then attempt carrying out frequency range set frequency sweep for unknown frequency range at state; For state is that unsupported frequency range is not carried out any operation.
The present invention also provides a kind of device that public land mobile network PLMN searches net spee of accelerating, and comprising:
Enquiry module is used for searching when net when needs carry out PLMN, and UE inquires about the state of this each frequency range of PLMN;
Scan module is used for the predetermined priority according to the state of each frequency range that inquires, and carries out corresponding frequency point scanning or frequency range set scanning.
Further, also comprise:
Memory module; Be used for setting up in advance its support every type of PLMN frequency meter and each frequency meter to comprise PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage.
Wherein, the state of frequency range comprises: the unknown, do not support, and support but frequency point information is imperfect, and support and frequency point information are complete; Wherein, unknown state is as the initial condition of frequency range.
Further; Memory module specifically is used for; Set up in advance in frequency meter and each frequency meter of every type of PLMN of its support to comprise PLMN ID and the band information of UE ability band support store, after UE successfully resides in a sub-district, write down the PLMNID of this sub-district; Store the frequency information of supporting according to the PLMN that obtains from this sub-district and this frequency meter frequency information carry out matching treatment, the state of the unsupported frequency range of UE is set to not support; Frequency range for the UE support; Add the dominant frequency of this sub-district and adjacent area thereof and put frequency meter; Judge then whether the frequency points of having stored equals the center of maximum frequency points that this frequency range is supported; If; The state of this frequency range is set to support but frequency point information is imperfect, otherwise the state of this frequency range is set to support and frequency point information is complete.
Further, said enquiry module specifically is used for, and when beginning to carry out PLMN when searching concurrent initial Cell searching of net, obtains the band information of all frequency ranges that the UE ability supports; Then for each frequency range in the frequency meter of this PLMN; Predetermined priority according to the state of each frequency range is inquired about from high to low, and wherein predetermined priority is: support and the complete state of frequency point information is better than supporting frequency point information but incomplete state is better than unknown state.
Further, said enquiry module also is used for, and before initiating search of initial zone, judges whether to have this PLMN resident cell information before, if having, then preferential trial is carried out resident in this sub-district; If do not have or attempt the failure, then initiate search of initial zone.
Further,, said scan module specifically is used for, and for each frequency range in the frequency meter, is that support and the complete frequency range of frequency point information are stored discrete frequency frequency sweep at state preferentially; If for supporting and the complete all resident failure of frequency range of frequency point information, then attempt at state for supporting but the incomplete frequency range of frequency point information is carried out frequency range set frequency sweep at state; If state is to support but all resident failure of the incomplete frequency range of frequency for frequency range and the state supported and frequency point information is complete, then attempt carrying out frequency range set frequency sweep for unknown frequency range at state; For state is that unsupported frequency range is not carried out any operation.
Beneficial effect of the present invention is following:
It is resident that the present invention can find suitable cell to carry out with the fastest speed, reduced the power consumption of UE, improves the impression of user experience.
Other features and advantages of the present invention will be set forth in specification subsequently, and from specification, becoming of part is apparent, perhaps understands through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Fig. 1 is the schematic flow sheet of the said method of the embodiment of the invention;
Fig. 2 is in the said method of the embodiment of the invention, the information stores schematic flow sheet of PLMNFrequencyList;
Fig. 3 is in the said method of the embodiment of the invention, the schematic flow sheet of search of initial zone;
Fig. 4 is the structural representation of the said device of the embodiment of the invention.
Embodiment
Specifically describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used to explain principle of the present invention with embodiments of the invention.
At first combine accompanying drawing 1 to Fig. 3 that the said method of the embodiment of the invention is elaborated.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the said method of the embodiment of the invention, mainly comprises:
Step 101: search net during concurrent initial Cell searching when needs carry out PLMN, user terminal UE inquires about the state of this each frequency range of PLMN;
Step 102:, carry out corresponding frequency point scanning or frequency range set scanning according to the predetermined priority of the state of each frequency range that inquires.
Before execution in step 101, also comprise: UE sets up PLMNFrequencyList (the public land mobile network frequency meter of every type of PLMN of its support in advance; Hereinafter to be referred as frequency meter) and to comprise among each PLMNFrequencyList PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage.
Table 1 is the PLMNFrequencyList of the embodiment of the invention shown in following table 1, mainly comprises: PLMNID (public land mobile network identify label) and UE ability band support information, wherein,
PLMNID is used for marked network, is made up of MCC (Mobile Country Code MCC) and MNC (Mobile Network Code);
UE ability band support information is made up of three parts: the discrete frequency points that the state of this frequency range, this frequency range have been stored and the discrete frequency of storage; Wherein, the state of frequency range comprises four kinds, is respectively 1. unknown; 2. do not support; 3. support but frequency point information is imperfect; 4. support and frequency point information are complete.
Table 1
As shown in table 1, exemplarily, the UE ability is supported A, F, three frequency ranges of E, and Freq_A_State representes the state of A frequency range, and Freq_A_Num representes the discrete frequency points that the A frequency range has been stored, Freq_A[FREQ_A_MAXNUM] the discrete frequency of expression storage.(annotate: it is TD-SCDMA that the 3G that China Mobile adopts inserts standard, has planned three frequency ranges, be respectively the A frequency range (2010～2025MHz), F-band (1880～1900MHz), E frequency range (2320～2370MHz).At present actual put it into commercial operation have only the A frequency range).
As shown in Figure 2; Fig. 2 is in the said method of the embodiment of the invention; The information stores schematic flow sheet of PLMNFrequencyList is opened up first memory space in advance and is used for a storing predetermined number PLMNFrequencyList in the memory block of UE, this predetermined number is not less than 1.In concrete the realization, the PLMNID initial value in the PLMNFrequencyList structure is empty, and the initial condition of each frequency range is for 1. unknown, and the discrete frequency points of the initial storage of each frequency range is 0, and discrete frequency array is empty.
Step 203 is mated band information and this PLMNFrequencyList Mid Frequency information that the RPLMN that comprises in the network side issuing message that receives supports;
Step 204 is judged the frequency range that does not comprise in the band information that whether has RPLMN to support among the PLMNFrequencyList; In this way, then change step 205 over to; Otherwise, change step 206 over to;
Step 206 stores the dominant frequency point of this TD-SCDMA sub-district and adjacent area thereof among the PLMNFrequencyList (only store different frequencies, identical frequency is only stored once), different frequency of every increase, and the discrete frequency points of storage adds 1; In storage during first frequency, change this frequency range state into " 3. support but frequency point information is imperfect " from initial condition " 1. unknown ";
Step 207 judges whether the discrete frequency points of storage equals the center of maximum frequency points that this frequency range is supported; In this way, then change step 208 over to; Otherwise, change step 206 over to;
Step 208 changes this frequency range state into " supporting that 4. frequency point information is complete " from " supporting that 3. frequency point information is imperfect ", and no longer this frequency range storage area is carried out write operation afterwards;
In the foregoing description, exemplarily, the A of China Mobile frequency range (2010～2025MHz) are total to the 15MHz bandwidth, carrier frequency bandwidth 1.6MHz, so the center of maximum frequency points of A frequency range support is 9.At present in the TD-SCDMA network environment frequency planning, what adopt in the A frequency range is exactly overloading inter-frequency networking frequently, totally 9 center frequency point, and channel number is respectively 10055,10063,10071,10080,10088,10096,10104,10112,10120.10～30 alien frequencies/homogeneous-frequency adjacent-domains of each sub-district one general configuration are therefore as long as the information stores flow process of PLMNFrequencyList just can be accomplished in resident 1～2 sub-district.
As shown in Figure 3, Fig. 3 is in the said method of the embodiment of the invention, and the schematic flow sheet of search of initial zone specifically can comprise:
Step 301 is initiated PLMN when searching net when needs, at first judges whether to have resident cell information before this PLMN, if having then preferentially attempt these sub-districts and carry out resident; If do not have or attempt after these information all can not be resident then initiate search of initial zone, get into step 302;
Step 302 is obtained all band informations that the UE ability is supported;
Whether step 303 has the PLMNFrequencyList of appointment information in inquiry UE first memory space; If have, then change step 305 over to; Otherwise, change step 304 over to;
Step 304 attempts carrying out the full frequency band frequency sweep in all frequency ranges of UE ability support;
Step 305 is inquired about each frequency range state among the PLMNFrequencyList;
Whether can't step 308, state frequency range 4. all be successfully resident? In this way, then change step 309 over to; Otherwise, change step 314 over to;
Step 310 attempts carrying out frequency range set frequency sweep at state for frequency range 3., by attempting on each frequency, carrying out Cell searching after the RSSI descending successively;
Whether can't step 311, state frequency range 3. all be successfully resident? In this way, then change step 312 over to; Otherwise, change step 314 over to;
Step 313 attempts carrying out frequency range set frequency sweep at state for frequency range 1., by attempting on each frequency, carrying out Cell searching after the RSSI descending successively;
Step 314 finishes initial cell search procedure.Can find out in conjunction with Fig. 3 and Fig. 4; As long as UE is resident mistake on certain PLMN once, just needn't carry out full frequency band frequency sweep when then on this PLMN, initiating search of initial zone next time, but can utilize the frequency point information of storage; The frequency frequency sweep that disperses has been saved time and resource greatly.Exemplarily, the frequency range of certain UE ability support be the A frequency range (2010～2025MHz) and F-band (1880～1900MHz), bandwidth is 35MHz altogether.Adopt general frequency sweep algorithm, the full frequency band frequency sweep is carried out in these two frequency range set needs about 15 seconds; If only to the in esse discrete frequency frequency sweeps in this two frequency ranges set then only need about 1 second.This shows that the said method of the utilization embodiment of the invention can significantly improve searches net spee.
Next, be elaborated in conjunction with 4 pairs of said devices of the embodiment of the invention of accompanying drawing.
As shown in Figure 4, Fig. 4 is the structural representation of the said device of the embodiment of the invention, mainly comprises:
Enquiry module is used for searching when net when needs carry out PLMN, and UE inquires about the state of this each frequency range of PLMN;
Scan module is used for the predetermined priority according to the state of each frequency range that inquires, and carries out corresponding frequency point scanning or frequency range set scanning.
The embodiment of the invention also comprises: memory module; Be used for setting up in advance its support every type of PLMN frequency meter and each frequency meter to comprise PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage; The state of frequency range comprises: the unknown, do not support, and support but frequency point information is imperfect, and support and frequency point information are complete; Wherein, unknown state is as the initial condition of frequency range.
Be exactly specifically; Memory module set up in advance in frequency meter and each frequency meter of every type of PLMN of its support to comprise PLMN ID and the band information of UE ability band support store; After UE successfully resides in a sub-district, write down the PLMNID of this sub-district; Store the frequency information of supporting according to the PLMN that obtains from this sub-district and this frequency meter frequency information carry out matching treatment, the state of the unsupported frequency range of UE is set to not support; Frequency range for the UE support; Add the dominant frequency of this sub-district and adjacent area thereof and put frequency meter; Judge through the frequency points that calculates whether equal the center of maximum frequency points that this frequency range is supported then; If; The state of this frequency range is set to support but frequency point information is imperfect, otherwise the state of this frequency range is set to support and frequency point information is complete.
Before initiating search of initial zone, enquiry module judges whether to have resident cell information before this PLMN, if having then preferential the trial carried out resident in this sub-district; If do not have or attempt the failure, then initiate search of initial zone; When beginning to carry out PLMN when searching concurrent initial Cell searching of net, enquiry module obtains the band information of all frequency ranges that the UE ability supports; Then for each frequency range in the frequency meter of this PLMN; Predetermined priority according to the state of each frequency range is inquired about from high to low, and wherein predetermined priority is: support and the complete state of frequency point information is better than supporting frequency point information but incomplete state is better than unknown state.
Scan module is that support and the complete frequency range of frequency point information are stored discrete frequency frequency sweep at state preferentially for each frequency range in the frequency meter; If for supporting and the complete all resident failure of frequency range of frequency point information, then attempt at state for supporting but the incomplete frequency range of frequency point information is carried out frequency range set frequency sweep at state; If state is to support but all resident failure of the incomplete frequency range of frequency for frequency range and the state supported and frequency point information is complete, then attempt carrying out frequency range set frequency sweep for unknown frequency range at state; For state is that unsupported frequency range is not carried out any operation.
For the practical implementation process of the said device of the embodiment of the invention, owing in said method, be elaborated, so locate to repeat no more.
In sum, the embodiment of the invention need not scan all frequencies in the band limits of UE ability band support or this PLMN network when specifying PLMN to search net.Only need scan in esse discrete frequency and get final product according to specifying PLMN network planning information.It is resident to find suitable cell to carry out with the fastest speed like this, has reduced the power consumption of UE, improves the impression of user experience.
The above; Only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (14)
1. accelerate the method that public land mobile network PLMN searches net spee for one kind, it is characterized in that, comprising:
Search net during concurrent initial Cell searching when needs carry out PLMN, user terminal UE inquires about the state of this each frequency range of PLMN;
According to the predetermined priority of the state of each frequency range that inquires, carry out corresponding frequency point scanning or frequency range set scanning.
2. method according to claim 1 is characterized in that, before the initiation search of initial zone, also comprises:
UE set up in advance its support every type of PLMN frequency meter and to comprise in each frequency meter PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage.
3. method according to claim 2 is characterized in that, the state of frequency range comprises: the unknown, do not support, and support but frequency point information is imperfect, and support and frequency point information are complete; Wherein, unknown state is as the initial condition of frequency range.
4. method according to claim 3 is characterized in that, the process of storage specifically comprises:
After UE successfully resides in a sub-district, write down the PLMNID of this sub-district;
Stored frequency information is carried out matching treatment frequency information of supporting according to this PLMN that obtains from this sub-district and the frequency meter, and the state of the unsupported frequency range of UE is set to not support; Frequency range for the UE support; Add the dominant frequency point of this sub-district and adjacent area thereof to frequency meter as discrete frequency; Judge then whether the frequency points of having stored equals the center of maximum frequency points that this frequency range is supported; If; The state of this frequency range is set to support but frequency point information is imperfect, otherwise the state of this frequency range is set to support and frequency point information is complete.
5. method according to claim 3 is characterized in that, the step that user terminal UE inquires about the state of this each frequency range of PLMN specifically comprises:
When carrying out PLMN, needs search net during concurrent initial Cell searching, the band information of all frequency ranges that acquisition capability is supported;
For each frequency range in the frequency meter of this PLMN; Predetermined priority according to the state of each frequency range is inquired about from high to low, and wherein predetermined priority is: support and the complete state of frequency point information is better than supporting frequency point information but incomplete state is better than unknown state.
6. method according to claim 5 is characterized in that, initiates also to comprise before the search of initial zone:
Judge whether to have UE resident cell information before this PLMN, if having, then preferential trial is carried out resident in this sub-district; If do not have or attempt the failure, then initiate search of initial zone.
7. according to claim 5 or 6 described methods, it is characterized in that according to the predetermined priority of the state of each frequency range that inquires, the step of carrying out corresponding frequency point scanning or frequency range set scanning specifically comprises:
For each frequency range in the frequency meter, be that support and the complete frequency range of frequency point information are stored discrete frequency frequency sweep preferentially at state; If for supporting and the complete all resident failure of frequency range of frequency point information, then attempt at state for supporting but the incomplete frequency range of frequency point information is carried out frequency range set frequency sweep at state; If state is to support but all resident failure of the incomplete frequency range of frequency for frequency range and the state supported and frequency point information is complete, then attempt carrying out frequency range set frequency sweep for unknown frequency range at state; For state is that unsupported frequency range is not carried out any operation.
8. accelerate the device that public land mobile network PLMN searches net spee for one kind, it is characterized in that, comprising:
Enquiry module is used for searching when net when needs carry out PLMN, and UE inquires about the state of this each frequency range of PLMN;
Scan module is used for the predetermined priority according to the state of each frequency range that inquires, and carries out corresponding frequency point scanning or frequency range set scanning.
9. device according to claim 8 is characterized in that, also comprises:
Memory module; Be used for setting up in advance its support every type of PLMN frequency meter and each frequency meter to comprise PLMN ID and the band information of UE ability band support store, wherein band information comprises: the discrete frequency points that the state of each frequency range, this frequency range have been stored and the discrete frequency of storage.
10. device according to claim 9 is characterized in that, the state of frequency range comprises: the unknown, do not support, and support but frequency point information is imperfect, and support and frequency point information are complete; Wherein, unknown state is as the initial condition of frequency range.
11. device according to claim 10; It is characterized in that; Memory module specifically is used for; Set up in advance in frequency meter and each frequency meter of every type of PLMN of its support to comprise PLMN ID and the band information of UE ability band support store; After UE successfully resides in a sub-district, write down the PLMNID of this sub-district; Store the frequency information of supporting according to the PLMN that obtains from this sub-district and this frequency meter frequency information carry out matching treatment, the state of the unsupported frequency range of UE is set to not support; Frequency range for the UE support; Add the dominant frequency of this sub-district and adjacent area thereof and put frequency meter; Judge then whether the frequency points of having stored equals the center of maximum frequency points that this frequency range is supported; If; The state of this frequency range is set to support but frequency point information is imperfect, otherwise the state of this frequency range is set to support and frequency point information is complete.
12. device according to claim 10 is characterized in that, said enquiry module specifically is used for, and when beginning to carry out PLMN when searching concurrent initial Cell searching of net, obtains the band information of all frequency ranges that the UE ability supports; Then for each frequency range in the frequency meter of this PLMN; Predetermined priority according to the state of each frequency range is inquired about from high to low, and wherein predetermined priority is: support and the complete state of frequency point information is better than supporting frequency point information but incomplete state is better than unknown state.
13. device according to claim 10 is characterized in that, said enquiry module also is used for, and before initiating search of initial zone, judges whether to have UE resident cell information before this PLMN, if having, then preferential trial is carried out resident in this sub-district; If do not have or attempt the failure, then initiate search of initial zone.
14., it is characterized in that said scan module specifically is used for,, be that support and the complete frequency range of frequency point information are stored discrete frequency frequency sweep preferentially at state for each frequency range in the frequency meter according to claim 12 or 13 described devices; If for supporting and the complete all resident failure of frequency range of frequency point information, then attempt at state for supporting but the incomplete frequency range of frequency point information is carried out frequency range set frequency sweep at state; If state is to support but all resident failure of the incomplete frequency range of frequency for frequency range and the state supported and frequency point information is complete, then attempt carrying out frequency range set frequency sweep for unknown frequency range at state; For state is that unsupported frequency range is not carried out any operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103063085A CN102355712A (en) | 2011-10-11 | 2011-10-11 | Method for accelerating searching speed of public land mobile network and device |
| PCT/CN2012/075948 WO2013053234A1 (en) | 2011-10-11 | 2012-05-23 | Method and device for increasing network search speed of public land mobile network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103063085A CN102355712A (en) | 2011-10-11 | 2011-10-11 | Method for accelerating searching speed of public land mobile network and device |
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| CN102355712A true CN102355712A (en) | 2012-02-15 |
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| CN2011103063085A Pending CN102355712A (en) | 2011-10-11 | 2011-10-11 | Method for accelerating searching speed of public land mobile network and device |
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| WO2013053234A1 (en) * | 2011-10-11 | 2013-04-18 | 中兴通讯股份有限公司 | Method and device for increasing network search speed of public land mobile network |
| CN103095383A (en) * | 2012-11-07 | 2013-05-08 | 无锡成电科大科技发展有限公司 | Frequency range scanning method and device of mobile terminal |
| CN103533605A (en) * | 2012-07-04 | 2014-01-22 | 中国移动通信集团公司 | Frequency sweeping method and device of user terminal |
| CN103889026A (en) * | 2012-12-24 | 2014-06-25 | 中国电信股份有限公司 | Method acquiring dwell frequency point and user terminal |
| WO2014094423A1 (en) * | 2012-12-17 | 2014-06-26 | Qualcomm Incorporated | Method and apparatus for improving frequency scanning during cell acquisition in a td-scdma system |
| CN104936261A (en) * | 2014-03-21 | 2015-09-23 | 中兴通讯股份有限公司 | Terminal automation network finding method and apparatus |
| CN105101322A (en) * | 2014-05-22 | 2015-11-25 | 西安中兴新软件有限责任公司 | Method for selecting community and user device |
| CN105636018A (en) * | 2016-01-11 | 2016-06-01 | 广东欧珀移动通信有限公司 | Method and device for modifying registered public land mobile network |
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