CN103906181A - Frequency band scanning method and device and network selection method - Google Patents
Frequency band scanning method and device and network selection method Download PDFInfo
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- CN103906181A CN103906181A CN201210587815.5A CN201210587815A CN103906181A CN 103906181 A CN103906181 A CN 103906181A CN 201210587815 A CN201210587815 A CN 201210587815A CN 103906181 A CN103906181 A CN 103906181A
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Abstract
The invention provides a frequency band scanning method and device and a network selection method. The frequency band scanning method comprises the steps that in the search allowable stage, a search threshold value is dynamically set according to the network selection purpose; according to the frequency band list supported by a terminal, the frequency bands exceeding the search threshold value are found; the frequency bands exceeding the search threshold value are scanned, so that available frequency points are determined. By the adoption of the frequency band scanning method, the frequency band scanning time is shortened, and the network search efficiency is improved.
Description
Technical field
The network the present invention relates in wireless communication system is selected technical field, particularly a kind of frequency scan method and device and a kind of network selecting method.
Background technology
In mobile communication system, in the time that mobile terminal need to be selected the network covering around it, just need to scan each frequency band of mobile terminal support, obtain each frequency band signal quality and assessment each frequency range network condition, using realize from described each frequency band, select one preferably frequency range as available frequency band.
In prior art, conventionally adopt the method for frequency point scanning one by one to carry out scan band.But a supported frequency of mobile terminal is conventionally many, if scan one by one frequency, will consume the more time.Although in prior art, also can dwindle sweep limits by search threshold value is set, the European patent that is EP1516435A1 as publication number discloses a kind of frequency scan method that search thresholding is set, but the not open method of dynamically adjusting search thresholding of this patent, obviously, be fixedly installed single search thresholding and may cause can not find available frequency in fixing search thresholding.
Therefore, need to propose a kind of new frequency scan method and device and network selecting method, to reduce the frequency scan time, thereby improve web search efficiency.
Summary of the invention
The problem that the present invention solves is to provide a kind of new frequency scan method and device and network selecting method, to reduce the frequency scan time, thereby improves web search efficiency.
Embodiments of the invention provide a kind of frequency scan method, and described method comprises: allowing in the search phase, select object that search threshold value is dynamically set according to network; According to the list of frequency bands of terminal support, search out the frequency band of the search threshold value that exceeds described setting; And scanning exceeds the frequency in the frequency band of search threshold value of described setting, to determine available frequency.
Alternatively, described frequency scan method, also comprises: allowing in the search phase, list the frequency of experience scanning process in frequency band protection zone, to prevent, within the described permission search phase, identical frequency band being carried out to multiple scanning.
Alternatively, dynamically arrange search threshold value method comprise: the first threshold value is set to described search threshold value; When do not find out available frequency from the frequency band that exceeds described the first threshold value time, the second threshold value is switched to described search threshold value.
Alternatively, the list of frequency bands of supporting according to terminal, the method that searches out the frequency band of the search threshold value that exceeds described setting comprises: the list of frequency bands of supporting according to terminal, searches out the frequency band that exceeds described the first threshold value; When do not determine available frequency from the frequency band that exceeds described the first threshold value, continue to search out the frequency band that exceeds described the second threshold value.
Alternatively, dynamically arrange search threshold value method comprise: multiple search thresholdings are set simultaneously.
Alternatively, the list of frequency bands of supporting according to terminal, the method that searches out the frequency band of the search threshold value that exceeds described setting comprises: according to the size order of described multiple search thresholdings, search out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate band priority list.
Alternatively, scanning exceeds the frequency band of described search threshold value, comprises: scan the frequency band of higher priority in described band priority list to find out available frequency with the method for determining available frequency; If do not find out available frequency from the higher frequency band of described band priority list medium priority, continue to scan than the frequency band of the low one-level of described higher priority to find out available frequency.
Alternatively, described network selects object to comprise cell reselection or the selection of start network.
Alternatively, described available band be according to described in exceed the frequency band intermediate-frequeney point of the search threshold value of described setting network quality parameters select.
Alternatively, described network quality parameters comprises: received signal strength, interference signal intensity and/or channel occupancy degree.
Alternatively, the signal detecting threshold value that described search threshold value is band signal intensity level or described terminal receiver.
Alternatively, the described permission search phase can select object to arrange according to different networks.
Alternatively, the described permission search phase can be by arranging searching times setting.
Alternatively, the described permission search phase can arrange by search time length is set.
Embodiments of the invention also provide a kind of frequency scan device, and described device comprises: search thresholding setting unit, and for allowing in the search phase, select object that search threshold value is dynamically set according to network; The first processing unit, for the list of frequency bands of supporting according to terminal, searches out the frequency band of the search threshold value that exceeds described setting; And second processing unit, for scanning the frequency of frequency band of the search threshold value that exceeds described setting, to determine available frequency.
Alternatively, described frequency scan device also comprises: the 3rd processing unit, within the permission search phase, list the frequency that lives through described scanning process in frequency band protection zone, to prevent, within the described permission search phase, same frequency being carried out to multiple scanning.
Alternatively, described search thresholding setting unit comprises: search thresholding handover module, in the time that the frequency band from exceeding the first threshold value is not found out available frequency, switches to described search threshold value by the second threshold value.
Alternatively, described the first processing unit comprises: frequency band search module, for the list of frequency bands of supporting according to terminal, search out the frequency band that exceeds described the first threshold value, and when do not determine available frequency from the frequency band that exceeds described the first threshold value, continue to search out the frequency band that exceeds described the second threshold value.
Alternatively, described the second processing unit comprises: the first frequency scan module, and for exceeding the frequency of the frequency band of searching for thresholding described in scanning.
Alternatively, described search thresholding setting unit comprises: search for thresholding more module is set, for multiple search thresholdings are set simultaneously.
Alternatively, described the first processing unit comprises: band priority list generation module, for according to the size order of described multiple search thresholdings, search out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate band priority list.
Alternatively, described the second processing unit comprises: the second frequency scan module, for the frequency band that scans described band priority list higher priority to find out available frequency; If do not find out available frequency from the higher frequency band of described band priority list medium priority, continue to scan than the frequency in the frequency band of the low one-level of described higher priority to find out available frequency.
Alternatively, described network selects object to comprise cell reselection or the selection of start network.
Alternatively, the signal detecting threshold value that described search threshold value is band signal intensity level or described terminal receiver.
Embodiments of the invention also provide a kind of network selecting method, and described method comprises: analyze network search request information; According to described network search request information, utilize above-mentioned frequency scan method to carry out frequency scan; And carry out network selection according to the result of described frequency scan.
Alternatively, described network search request packets of information includes network is selected object information.
Alternatively, described network selects object to comprise cell reselection or the selection of start network.
Compared with prior art, embodiments of the invention have following beneficial effect:
In above-mentioned frequency scan method, can be within the permission search phase, select object that search threshold value is dynamically set according to network, in the time that higher search thresholding is set, can be preferentially from exceed the frequency band of described higher searching threshold value, scan available frequency, thereby without scanning lower than the frequency in the frequency band of described higher searching threshold value, thereby save the frequency scan time.In addition, owing to can dynamically arranging search thresholding, even do not scan available frequency from exceed the frequency band of described higher searching threshold value, also can adjust described search thresholding, further expand hunting zone, to guarantee going out available frequency in the frequency scan time interscan of trying one's best short.
Accompanying drawing explanation
Fig. 1 is the flow chart of the frequency scan method in one embodiment of the invention;
Fig. 2 is the flow chart of the frequency scan method in another embodiment of the present invention;
Fig. 3 is the structural representation of the frequency scan device in one embodiment of the invention;
Fig. 4 is the structural representation of the frequency scan device in another embodiment of the present invention;
Fig. 5 is the structural representation of the frequency scan device in yet another embodiment of the invention;
Fig. 6 is the network selecting method flow chart in one embodiment of the invention.
Embodiment
As previously mentioned, method for scanning frequency points one by one of the prior art consumes the more time, thereby affects network efficiency of selection.After deliberation, inventor's discovery, can be by search thresholding is dynamically set, restricted band sweep limits, thus save sweep time, improve network efficiency of selection.
For the problems referred to above, embodiments of the invention provide a kind of frequency scan method.Fig. 1 is the flow chart of one embodiment of the invention midband scan method.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Set forth in the following description a lot of details so that fully understand the present invention, implemented but the present invention can also adopt other to be different from alternate manner described here, therefore the present invention is not subject to the restriction of following public specific embodiment.
Embodiment mono-
First, please refer to Fig. 1, execution step S101a, dynamically arranges search thresholding.In an embodiment of the present invention, described search thresholding selects object to select according to network.For example, require to select the good channel of network quality, higher search thresholding can be set.Described network selects object to comprise cell reselection or the selection of start network.The signal detecting threshold value that described search threshold value can be band signal intensity level or described terminal receiver.
It should be noted that, the method that dynamically arranges described search thresholding comprises: the first threshold value is set to search for thresholding, when described the first threshold value is during compared with wealthy family's limit value, can from exceed the frequency band of described the first threshold value, find out available frequency if follow-up, just can scan again lower than the frequency band of described the first threshold value, thereby save the frequency scan time.
From exceed the frequency band of described the first threshold value, do not find out available frequency if follow-up, the method that dynamically arranges described search thresholding also comprises: described search thresholding is switched to the second threshold value, described the second threshold value can be than the lower threshold value of described the first threshold value, to expand sweep limits, make follow-uply can from exceed the frequency band of described the second threshold value, find out available frequency.From exceed the frequency band of described the second threshold value, also can not find available frequency if follow-up, repeat above-mentioned handoff procedure, until looked for available frequency.
Please continue to refer to Fig. 1, perform step S102a, search out the frequency band of the search thresholding that exceedes described setting.In embodiments of the present invention, can exceed according to the list of frequency bands search of terminal support the frequency band of the search thresholding of described setting, that is to say that the frequency band searching out must be terminal support.
Particularly, if be provided with the first threshold value for search thresholding in front and continued step S101a, search out and exceed the first threshold value and obtain frequency band; If described search thresholding is switched to described the second threshold value in front and continued step S101a, searches out the frequency band that exceedes the second threshold value; If be provided with other values for described search thresholding in front and continued step S101a, search out the frequency band that exceedes other values.
Then,, please continue to refer to Fig. 1, execution step S103a, exceedes the frequency in the frequency band of searching for threshold value described in scanning, to determine available frequency.
Particularly, if searched out the frequency band that exceedes the first threshold value in front and continued step S102a, scan the frequency in the frequency band that exceeds described the first threshold value, to determine available frequency; If S102a has searched out the frequency band that exceedes the second threshold value in front and continued step, scan the frequency in the frequency band that exceeds described the second threshold value, to determine available frequency; If searched out the frequency band that exceedes other threshold values in front and continued step S102a, scan the frequency in the frequency band that exceeds described other threshold values, to determine available frequency.
It should be noted that, described can with frequency be according to described in exceed the frequency band intermediate-frequeney point of the search threshold value of described setting network quality parameters select, therefore, in band scan process, need to obtain the network quality parameters that frequency is corresponding, wherein said network quality parameters comprises: received signal strength, interference signal intensity and/or channel occupancy degree.
Then,, please continue to refer to Fig. 1, execution step S104a, judges whether to have found available frequency.If found available frequency, can perform step S107a, return to scanning result.
If do not find available frequency; need to perform step S105a; list scanned frequency in frequency band protection zone; switching after described search threshold value preventing within the described permission search phase; same frequency is carried out to multiple scanning; thereby save sweep time, realized the short as far as possible time and can find available frequency.
For example; when finding out available frequency the follow-up frequency band not having from exceeding the first threshold value; just described search thresholding need to be switched to the second threshold value; in order the relevant frequency exceeding in the frequency band of described the first threshold value not to be scanned again; just can list the frequency exceeding in the frequency band of described the first threshold value in described frequency band protection zone, to avoid in the time that scanning exceeds the frequency band of the second threshold value its multiple scanning again.
Then, please continue to refer to Fig. 1, execution step S106a, if after the judgement of step S106a, finds also within the search phase, can return to step S101a, continue, by dynamically adjusting search threshold value, for example, can reduce described search threshold value, further expand sweep limits, to find out available frequency.
In an embodiment of the present invention, the described permission search phase can select object to select according to different networks.Particularly, in one embodiment of this invention, the described permission search phase can be by arranging searching times setting.For example, select object for start network, when ambient network quality better, the speed of seeking quickness is again made network and is selected in the situation of response, what just described searching times can be arranged is a little less, and in the situation of or ambient network situation deviation strict to network selection response time requirement, what can suitably searching times be arranged is relatively more.
In another embodiment of the present invention, the described permission search phase also can arrange by search time length is set.Similarly, select object for start network, when ambient network quality better, the speed of seeking quickness is again made network and is selected in the situation of response, just can be shorter by what arrange described search time, and in the situation of or ambient network situation deviation strict to network selection response time requirement, the length relatively that can suitably be arranged search time a bit.
Embodiment bis-
First, please refer to Fig. 1, execution step S101b, dynamically arranges search thresholding.In an embodiment of the present invention, described search thresholding selects object to select according to network.Method to set up and the embodiment mono-of described permission search thresholding are similar, are not repeated herein.Described network selects object to comprise cell reselection or the selection of start network.The signal detecting threshold value that described search threshold value can be band signal intensity level or described terminal receiver.
It should be noted that, the method that dynamically arranges described search thresholding can comprise: multiple search thresholdings are set, find out the frequency band that exceeds different search thresholdings, to form band priority list so that follow-up according to described multiple search thresholdings.For example, two search thresholdings can be set.
Then, please continue to refer to Fig. 1, perform step S102b, search out the frequency band of the search thresholding that exceedes described setting.Particularly, if be provided with two search thresholdings in front and continued step S101b, can, according to the size order of a described company search thresholding, search out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate the band priority list that comprises two priority.In other embodiments of the invention, if the search threshold value that exceedes two is set, can generates and comprise the band priority list that exceedes two priority.
As previously mentioned.In embodiments of the present invention, can exceed according to the list of frequency bands search of terminal support the frequency band of the search thresholding of described setting, that is to say that the frequency band searching out must be the frequency band that terminal is supported.
Then,, please continue to refer to Fig. 1, execution step S103b, carries out frequency scan according to described band priority list, to determine available frequency.Particularly, first scan the frequency in the frequency band of higher priority in described band priority list, to determine available frequency; From the higher frequency band of described band priority list medium priority, do not find out available frequency if follow-up, continue scanning than the frequency in the frequency band of the low one-level of described higher priority, to determine available frequency.
It should be noted that, described can with frequency be according to described in exceed the frequency band intermediate-frequeney point of the search threshold value of described setting network quality parameters select, therefore, in frequency scan process, need to obtain the network quality parameters that frequency band intermediate-frequeney point is corresponding, wherein said network quality parameters comprises: received signal strength, interference signal intensity and/or channel occupancy degree.
Then,, please continue to refer to Fig. 1, execution step S104a, judges whether to have found available band.If found available band, can perform step S107a, return to scanning result.
If do not find available band, perform step S105b, list scanned frequency band in frequency band protection zone, to prevent follow-up scanned same frequency being carried out to multiple scanning.For example; from the frequency band of higher priority, do not find out available frequency when follow-up; just need to will scan the frequency in the lower frequency band of priority; in order the frequency exceeding in the frequency band of described higher priority not to be scanned again; just the frequency in the frequency band of described higher priority can be listed in to described frequency band protection zone, to avoid multiple scanning.
Then,, please continue to refer to Fig. 1, execution step S106a, judged whether within the permission search phase.After step S106a, discovery also, within the search phase, can be returned to step S103b and adjust band priority, according to described band priority list, continues the lower frequency band of priority to carry out frequency scan, to find out available band.
In an embodiment of the present invention, the described permission search phase can select object to select according to different networks.The set-up mode of described permission search phase and enforcement one are similar, are not repeated herein.
As shown in Figure 3, embodiments of the invention also provide a kind of frequency scan device 200, and described frequency scan device 200 comprises: search thresholding setting unit 210, and for allowing in the search phase, select object that search threshold value is dynamically set according to network; The first processing unit 220, for the list of frequency bands of supporting according to terminal, searches out the frequency band of the search threshold value that exceeds described setting; And second processing unit 230, for scanning the frequency of frequency band of the search threshold value that exceeds described setting, to determine available frequency.
In an embodiment of the present invention; described frequency scan device 200 can also comprise the 3rd processing unit 240; for within the permission search phase, list the frequency that lives through described scanning process in frequency band protection zone, to prevent, in the described permission search phase, same frequency is carried out to multiple scanning.
As shown in Figure 4, in one embodiment of this invention, described search thresholding setting unit 210 comprises: search thresholding handover module 211, in the time that the frequency band from exceeding the first threshold value is not found out available frequency, switches to described search threshold value by the second threshold value; Described the first processing unit 220 comprises: frequency band search module 221, for the list of frequency bands of supporting according to terminal, search out the frequency band that exceeds described the first threshold value, and when do not determine available frequency from the frequency band that exceeds described the first threshold value, continue to search out the frequency band that exceeds described the second threshold value; Described the second processing unit 230 comprises: the first frequency scan module 231, and for exceeding the frequency of the frequency band of searching for thresholding described in scanning, to determine available frequency.
As shown in Figure 5, in another embodiment of the present invention, described search thresholding setting unit 210 comprises: search for thresholding more module 212 is set, for multiple search thresholdings are set simultaneously; Described the first processing unit 220 comprises: band priority list generation module 222, for according to the size order of described multiple search thresholdings, searches out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate band priority list; Described the second processing unit 230 comprises: the second frequency scan module 232, for scanning the frequency in the frequency band of described band priority list higher priority, to find out available frequency; If do not find out available frequency from the higher frequency band of described band priority list medium priority, continue to scan than the frequency in the frequency band of the low one-level of described higher priority to find out available frequency.
In an embodiment of the present invention, described network selects object to comprise cell reselection or the selection of start network.The signal detecting threshold value that described search threshold value is band signal intensity level or described terminal receiver.
As shown in Figure 6, embodiments of the invention also provide a kind of network selecting method, and described method comprises: step S301, analyzes network search request information; Step S302, according to described network search request information, utilizes above-mentioned frequency scan method to carry out frequency scan; And step S303, carry out network selection according to the result of described frequency scan.
In embodiments of the invention, described network search request packets of information includes network is selected object information.Described network selects object to comprise cell reselection or the selection of start network.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (27)
1. a frequency scan method, is characterized in that, described method comprises:
Allowing in the search phase, select object that search threshold value is dynamically set according to network;
According to the list of frequency bands of terminal support, search out the frequency band of the search threshold value that exceeds described setting;
Scanning exceeds the frequency in the frequency band of search threshold value of described setting, to determine available frequency.
2. frequency scan method as claimed in claim 1, is characterized in that, also comprises: allowing in the search phase, list the frequency of experience scanning process in frequency band protection zone, to prevent, within the described permission search phase, same frequency being carried out to multiple scanning.
3. frequency scan method as claimed in claim 1, is characterized in that, the method that dynamically arranges search threshold value comprises: the first threshold value is set to described search threshold value; When do not find out available frequency from the frequency band that exceeds described the first threshold value time, the second threshold value is switched to described search threshold value.
4. frequency scan method as claimed in claim 3, it is characterized in that, the list of frequency bands of supporting according to terminal, the method that searches out the frequency band of the search threshold value that exceeds described setting comprises: the list of frequency bands of supporting according to terminal, searches out the frequency band that exceeds described the first threshold value; When do not determine available frequency from the frequency band that exceeds described the first threshold value, continue to search out the frequency band that exceeds described the second threshold value.
5. frequency scan method as claimed in claim 1, is characterized in that, the method that dynamically arranges search threshold value comprises: multiple search thresholdings are set simultaneously.
6. frequency scan method as claimed in claim 5, it is characterized in that, the list of frequency bands of supporting according to terminal, the method that searches out the frequency band of the search threshold value that exceeds described setting comprises: according to the size order of described multiple search thresholdings, search out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate band priority list.
7. frequency scan method as claimed in claim 6, is characterized in that, scanning exceeds the frequency band of described search threshold value, comprises: scan the frequency band of higher priority in described band priority list to find out available frequency with the method for determining available band; If do not find out available frequency from the higher frequency band of described band priority list medium priority, continue to scan than the frequency band of the low one-level of described higher priority to find out available frequency.
8. frequency scan method as claimed in claim 1, is characterized in that, described network selects object to comprise cell reselection or the selection of start network.
9. frequency scan method as claimed in claim 1, is characterized in that, described available band be according to described in exceed the frequency band intermediate-frequeney point of the search threshold value of described setting network quality parameters select.
10. frequency scan method as claimed in claim 9, is characterized in that, described network quality parameters comprises: received signal strength, interference signal intensity and/or channel occupancy degree.
11. frequency scan methods as claimed in claim 1, is characterized in that, the signal detecting threshold value that described search threshold value is band signal intensity level or described terminal receiver.
12. frequency scan methods as claimed in claim 1, is characterized in that, the described permission search phase can select object to arrange according to different networks.
13. frequency scan methods as claimed in claim 12, is characterized in that, the described permission search phase can be by arranging searching times setting.
14. frequency scan methods as claimed in claim 12, is characterized in that, the described permission search phase can arrange by search time length is set.
15. 1 kinds of frequency scan devices, is characterized in that, described device comprises:
Search thresholding setting unit, for allowing in the search phase, selects object that search threshold value is dynamically set according to network;
The first processing unit, for the list of frequency bands of supporting according to terminal, searches out the frequency band of the search threshold value that exceeds described setting; And
The second processing unit, for scanning the frequency of frequency band of the search threshold value that exceeds described setting, to determine available frequency.
16. frequency scan devices as claimed in claim 15, is characterized in that, also comprise: the 3rd processing unit; for within the permission search phase; list the frequency that lives through described scanning process in frequency band protection zone, to prevent, within the described permission search phase, same frequency being carried out to multiple scanning.
17. frequency scan devices as claimed in claim 15, it is characterized in that, described search thresholding setting unit comprises: search thresholding handover module, in the time that the frequency band from exceeding the first threshold value is not found out available frequency, switches to described search threshold value by the second threshold value.
18. frequency scan devices as claimed in claim 17, it is characterized in that, described the first processing unit comprises: frequency band search module, for the list of frequency bands of supporting according to terminal, search out the frequency band that exceeds described the first threshold value, and when do not determine available frequency from the frequency band that exceeds described the first threshold value, continue to search out the frequency band that exceeds described the second threshold value.
19. frequency scan devices as claimed in claim 18, is characterized in that, described the second processing unit comprises: the first frequency scan module, and for exceeding the frequency of the frequency band of searching for thresholding described in scanning.
20. frequency scan devices as claimed in claim 15, is characterized in that, described search thresholding setting unit comprises: search for thresholding more module is set, for multiple search thresholdings are set simultaneously.
21. frequency scan devices as claimed in claim 20, it is characterized in that, described the first processing unit comprises: band priority list generation module, be used for according to the size order of described multiple search thresholdings, search out respectively the frequency band that exceeds each search thresholding in described multiple search thresholding, to generate band priority list.
22. frequency scan devices as claimed in claim 21, is characterized in that, described the second processing unit comprises: the second frequency scan module, for the frequency band that scans described band priority list higher priority to find out available frequency; If do not find out available frequency from the higher frequency band of described band priority list medium priority, continue to scan than the frequency in the frequency band of the low one-level of described higher priority to find out available frequency.
23. frequency scan devices as claimed in claim 15, is characterized in that, described network selects object to comprise cell reselection or the selection of start network.
24. frequency scan devices as claimed in claim 15, is characterized in that, the signal detecting threshold value that described search threshold value is band signal intensity level or described terminal receiver.
25. 1 kinds of network selecting methods, is characterized in that, described method comprises:
Analyze network search request information;
According to described network search request information, utilize the method described in claim 1 to carry out frequency scan;
Carry out network selection according to the result of described frequency scan.
26. network selecting methods as claimed in claim 25, is characterized in that, described network search request packets of information includes network is selected object information.
27. network selecting methods as claimed in claim 26, is characterized in that, described network selects object to comprise cell reselection or the selection of start network.
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| WO2016173122A1 (en) * | 2015-04-27 | 2016-11-03 | 中兴通讯股份有限公司 | Network search method and device |
| CN106102037A (en) * | 2016-08-19 | 2016-11-09 | 青岛海信移动通信技术股份有限公司 | The method for searching network of a kind of terminal and terminal |
| CN106792997A (en) * | 2016-12-30 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | A kind of cell selecting method and terminal device |
| CN106792623A (en) * | 2016-12-05 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | Mobile terminal searches network access method and mobile terminal |
| CN106922010A (en) * | 2015-12-28 | 2017-07-04 | 联芯科技有限公司 | The method and wireless terminal of wireless terminal selection network |
| WO2017206742A1 (en) * | 2016-06-03 | 2017-12-07 | 深圳市中兴微电子技术有限公司 | Radio-frequency tuning method, terminal, radio-frequency front-end device, and computer-readable storage medium |
| CN110868745A (en) * | 2018-08-28 | 2020-03-06 | 中国移动通信有限公司研究院 | Narrow-band Internet of things NB-IOT cell reselection method and drive test equipment |
| WO2021179188A1 (en) * | 2020-03-11 | 2021-09-16 | Thales Dis Ais Deutschland (Gmbh) | Method for efficient frequency scan |
| WO2022033330A1 (en) * | 2020-08-14 | 2022-02-17 | Qualcomm Incorporated | Techniques for band priority utilization for cell scanning |
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