CN104144469A - Network searching method and device - Google Patents
Network searching method and device Download PDFInfo
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- CN104144469A CN104144469A CN201310173561.7A CN201310173561A CN104144469A CN 104144469 A CN104144469 A CN 104144469A CN 201310173561 A CN201310173561 A CN 201310173561A CN 104144469 A CN104144469 A CN 104144469A
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- wireless access
- access technology
- access point
- user terminal
- scanning
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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
Abstract
The invention discloses a network searching method and device. The method comprises the steps that a user terminal determines the scanning range of a second wireless access technology; and the user terminal scans the second wireless access technology according to the scanning range. User terminal electric energy can be saved.
Description
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of network search method and device.
Background technology
Along with the continuous evolution of wireless communication technology and consensus standard, mobile Packet Service has obtained huge development, and the data throughput capabilities of single terminal constantly promotes.Taking Long Term Evolution (Long Term Evolution, LTE) system as example, in 20M bandwidth, can support that descending maximum rate is the transfer of data of 100Mbps; In LTE (LTE Advanced) system of follow-up enhancing, the transmission rate of data will further promote, and even can reach 1Gbps.
The growth of terminal data traffic carrying capacity expansion type, makes existing Internet resources cannot meet user rate and traffic demand.At present, by by existing third generation partner program (The 3rd Generation Partnership Project, 3GPP) Access Network and WLAN (wireless local area network) (the Wireless Local Area Network generally applying, WLAN) merge, realize joint transmission, to reach the object of load shunting and raising network performance.For realizing joint transmission, user terminal (User Equipment, UE) need to access respectively independently access network of two of 3GPP and WLAN, accesses respectively 3GPP access network elements and WLAN access point.
Conventionally, in 3GPP Access Network coverage, may have multiple WLAN access points, user terminal just need to scan multiple WLAN frequency ranges and go to survey whether have available WLAN like this, so that access WLAN access point; And, user terminal is after a WLAN access point of access, also need to scan each WLAN access point with certain frequency, to find more suitably WLAN (the described WLAN WLAN that specifically operator of the finger 3GPP of administration Access Network disposes, 3GPP Access Network can carry out with it the WLAN of the business such as data aggregate transmission in other words), to access more suitably WLAN access point.But, after a WLAN access point of access, also to constantly scan each WLAN access point with certain frequency and can expend the electric energy that user terminal is a lot.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of network search method and device, can save user terminal electric energy.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of network search method provided by the invention, described method comprises:
User terminal is determined the sweep limits to the second wireless access technology;
User terminal scans the second wireless access technology according to sweep limits.
Preferably, described method also comprises:
User terminal is determined the sweep limits to the second wireless access technology according to canned data.
Preferably, described method also comprises:
In the time that user terminal scans first second accessible wireless access technology access point, user terminal is by the relevant information storage of described the second wireless access technology access point.
Preferably, described method also comprises:
The relevant information of described the second wireless access technology access point at least comprises one of following information:
Channel list, the access point priority that when the basic service set identification of the authorization message of the signal quality of access point, the information on load of access point, accessible this access point of user terminal, the Basic Service Set type of access point, access point, the service set of access point, terminal scanning Basic Service Set, should detect.
Preferably, described method also comprises:
User terminal obtains relevant information the storage of the second wireless access technology access point from the first wireless access technology.
Preferably, described method also comprises:
The relevant information of described the second wireless access technology access point at least comprises one of following information:
Channel list, the access point priority that when the service set of the Basic Service Set type of access point, the basic service set identification of access point, access point, terminal scanning Basic Service Set, should detect.
Preferably, described method also comprises:
When user terminal is stored the relevant information of the second wireless access technology access point, store the positional information of its first wireless access technology.
Preferably, described method also comprises:
User terminal is determined the sweep limits to the second wireless access technology according to current location information.
Preferably, described method also comprises:
User terminal is searched the relevant information of the second wireless access technology access point matching with current the first wireless access technology position of living in, and scans according to the relevant information of the second wireless access technology access point of coupling.
Preferably, described method also comprises:
In the time that user terminal scans first second accessible wireless access technology access point, stop the scanning to the second wireless access technology.
Preferably, described method also comprises:
It is one of following that the accessible condition of described the second wireless access technology access point at least comprises: the load condition that the signal quality of access point meets authority that minimum threshold, user terminal have this access point of access, access point does not exceed high threshold.
Preferably, described method also comprises:
When stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly when described, user terminal scans the second wireless access technology.
Preferably, before scanning timer is restarted in described startup, described method also comprises:
User terminal, according to its translational speed with at the service condition of the first wireless access technology, is restarted the duration of scanning timer described in arranging, described service condition is divided into without the idle condition of transfer of data and has the connection status of transfer of data.
A kind of user terminal provided by the invention, described user terminal comprises:
Sweep limits determining unit, for determining the sweep limits to the second wireless access technology;
Scanning element, for scanning the second wireless access technology according to sweep limits.
Preferably, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to canned data.
Preferably, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to current location information.
Preferably, described user terminal also comprises:
Control unit, when scan first second accessible wireless access technology access point when scanning element, stops the scanning to the second wireless access technology.
Preferably, described control unit, also for when stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly, scanning the second wireless access technology when described.As from the foregoing, technical scheme of the present invention comprises: user terminal is determined the sweep limits to the second wireless access technology; User terminal scans the second wireless access technology according to sweep limits.Thus, the present invention scans the second wireless access technology according to sweep limits, can save user terminal electric energy.
Brief description of the drawings
Fig. 1 is the realization flow schematic diagram of network search method of the present invention;
Fig. 2 is the structural representation of user terminal of the present invention;
Fig. 3 is the realization flow schematic diagram of the first embodiment of network search method of the present invention;
Fig. 4 is the structural representation of the first embodiment of user terminal of the present invention;
Fig. 5 is the realization flow schematic diagram of the second embodiment of network search method of the present invention;
Fig. 6 is the realization flow schematic diagram of the 3rd embodiment of network search method of the present invention;
Fig. 7 is the realization flow schematic diagram of the 4th embodiment of network search method of the present invention.
Embodiment
A kind of network search method provided by the invention, as shown in Figure 1, described method comprises:
Step 101, user terminal are determined the sweep limits to the second wireless access technology;
Step 102, user terminal scan the second wireless access technology according to sweep limits.
Preferably, described method can also comprise: user terminal is determined the sweep limits to the second wireless access technology according to canned data.
Preferably, described method can also comprise: in the time that user terminal scans first second accessible wireless access technology access point, user terminal is by the relevant information storage of described the second wireless access technology access point.
Preferably, described method can also comprise: the relevant information of described the second wireless access technology access point at least comprises one of following information: channel list, the access point priority that when the basic service set identification of the authorization message of the signal quality of access point, the information on load of access point, accessible this access point of user terminal, the Basic Service Set type of access point, access point, the service set of access point, terminal scanning Basic Service Set, should detect.
Preferably, described method can also comprise: user terminal obtains relevant information the storage of the second wireless access technology access point from the first wireless access technology.
Preferably, described method can also comprise: the relevant information of described the second wireless access technology access point at least comprises one of following information:
Channel list, the access point priority that when the service set of the Basic Service Set type of access point, the basic service set identification of access point, access point, terminal scanning Basic Service Set, should detect.
Preferably, described method can also comprise: when user terminal is stored the relevant information of the second wireless access technology access point, store the positional information of its first wireless access technology.
Preferably, described method can also comprise: user terminal is determined the sweep limits to the second wireless access technology according to current location information.
Preferably, described method can also comprise: user terminal is searched the relevant information of the second wireless access technology access point matching with current the first wireless access technology position of living in, and scans according to the relevant information of the second wireless access technology access point of coupling.
Preferably, described method also comprises: in the time that user terminal scans first second accessible wireless access technology access point, stop the scanning to the second wireless access technology.
Preferably, described method also comprises: the accessible condition of described the second wireless access technology access point at least comprises one of following: the load condition that the signal quality of access point meets authority that minimum threshold, user terminal have this access point of access, access point does not exceed high threshold.
Preferably, described method also comprises: when stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly when described, user terminal scans the second wireless access technology.
Preferably, before scanning timer is restarted in described startup, described method also comprises:
User terminal, according to its translational speed with at the service condition of the first wireless access technology, is restarted the duration of scanning timer described in arranging, described service condition is divided into without the idle condition of transfer of data and has the connection status of transfer of data.
Corresponding to the method shown in Fig. 1, a kind of user terminal provided by the invention, as shown in Figure 2, described user terminal comprises:
Sweep limits determining unit, for determining the sweep limits to the second wireless access technology;
Scanning element, for scanning the second wireless access technology according to sweep limits.
Preferably, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to canned data.
Preferably, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to current location information.
Preferably, described user terminal also comprises:
Control unit, when scan first second accessible wireless access technology access point when scanning element, stops the scanning to the second wireless access technology.
Preferably, described control unit, also for when stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly, scanning the second wireless access technology when described.
The first embodiment of a kind of network search method provided by the invention, as shown in Figure 3, described method comprises:
Step 301, when in the first wireless access technology coverage, user terminal scans the second wireless access technology;
Here, described the first wireless access technology can be: the one in LTE network, UMTS network, global mobile communication GSM network and cdma network;
Described the second wireless access technology can be wlan network.
Step 302, in the time scanning an accessible second wireless access technology access point, stop the scanning to the second wireless access technology.
Preferably, described method also comprises:
When stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly when described, user terminal scans the second wireless access technology;
Like this, can restart as required scanning.
Preferably, before scanning timer is restarted in described startup, described method also comprises:
User terminal, according to its translational speed with at the service condition of the first wireless access technology, is restarted the duration of scanning timer described in arranging, described service condition is divided into without the idle condition of transfer of data and has the connection status of transfer of data;
Concrete, user terminal can be by detecting the change in signal strength of the first wireless access technology or by built-in speed measuring device, determining the translational speed of user terminal self;
When being greater than low speed thresholding, the translational speed of user terminal is less than high-speed door in limited time, and when service condition is connection status, now there is the demand of shunting business, and the second wireless access technology access point changes possibility greatly, pay the utmost attention to search in time and obtain suitable the second wireless access technology access point, therefore shorter duration is set;
When the translational speed of user terminal is less than slow door in limited time, and service condition is while being connection status, now have the demand of shunting business, but the possibility that the second wireless access technology access point changes is little, and therefore longer duration is set;
When the translational speed of user terminal is greater than high-speed door in limited time, and when service condition is connection status, now there is the demand of shunting business, and what the second wireless access technology access point changed may be very greatly, but frequent search can not ensure to search and obtain the second suitable and stable wireless access technology access point, and therefore longer duration is set;
When in the time that service condition is idle condition, now do not shunt the demand of business, therefore longer duration is set.
Here, further refinement, as the translational speed when user terminal is less than low speed thresholding, and service condition is while being idle condition, and longer duration is set; In actual applications, duration can be set according to actual needs flexibly;
Table 1 is an example that duration is set, as shown in the table:
Table 1
Like this, can be when needs be shunted business, while needing the second new wireless access technology access point, restart scanning, more suitably the second wireless access technology access point can not only be found in time and be switched to thus, the electric energy of user terminal can also be further saved.
Preferably, in the time scanning an accessible second wireless access technology access point, described method also comprises:
User terminal is stored the relevant information of the second wireless access technology access point scanning as the relevant information of the second available wireless access technology access point;
Here, the relevant information of described the second wireless access technology access point can comprise:
The service set of the Basic Service Set type of WLAN, the basic service set identification of WLAN, WLAN, channel list, the WLAN access point priority that user terminal should detect while scanning Basic Service Set.
Preferably, described method also comprises:
User terminal obtains the relevant information of the second available wireless access technology access point and stores from the first wireless access technology;
Concrete, user terminal can receive by system message or dedicated signaling the relevant information of the second wireless access technology access point of the first wireless access technology Access Network transmission; Or,
User terminal receives the relevant information of the second wireless access technology access point from application server by the first wireless access technology Access Network, described application server is ANDSF server or hotspot map server;
Here, user terminal can also obtain from the first wireless access technology the positional information of the first wireless access technology that described user terminal is of living in or adjacent, and the relevant information of the second wireless access technology access point of scanning or the relevant information that obtains the second available wireless access technology access point from the first wireless access technology are carried out to corresponding stored as the relevant information of the second available wireless access technology access point and the positional information of described the first wireless access technology; Like this, by the corresponding relation of the relevant information of the second wireless access technology access point and the positional information of the first wireless access technology, after can facilitating, find faster the second wireless access technology access point corresponding with the first wireless access technology.
Preferably, described user terminal scans the second wireless access technology and is:
In the time storing the relevant information of the second available wireless access technology access point in user terminal, user terminal, from the relevant information of described the second available wireless access technology access point, is searched the relevant information of the second wireless access technology access point matching with described the first wireless access technology position.
Corresponding to the method shown in Fig. 3, the first embodiment of a kind of user terminal provided by the invention, as shown in Figure 4, described user terminal comprises:
Scanning element, for when in the first wireless access technology coverage, scanning the second wireless access technology;
Control unit, in the time scanning an accessible second wireless access technology access point, gated sweep unit stops the scanning to the second wireless access technology.
Preferably, described control unit, also for when stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly, gated sweep unit scan the second wireless access technology when described.
Preferably, described control unit, also for restart scanning timer in startup before, service condition according to the translational speed of user terminal and user terminal in the first wireless access technology, described in arranging, restart the duration of scanning timer, described service condition is divided into without the idle condition of transfer of data and has the connection status of transfer of data.
Preferably, described user terminal also comprises:
Memory cell, stores as the relevant information of the second available wireless access technology access point for the relevant information of the second wireless access technology access point that scanning element is scanned.
Preferably, described memory cell, also for obtaining the relevant information of the second available wireless access technology access point and storing from the first wireless access technology.
Preferably, described scanning element, specifically in the time storing the relevant information of the second available wireless access technology access point in memory cell, from the relevant information of described the second available wireless access technology access point, search the relevant information of the second wireless access technology access point matching with described the first wireless access technology position.
Below in conjunction with Fig. 5, the second embodiment of network search method provided by the invention is described in detail.
Step 501, user terminal are in the first wireless access technology coverage.
Step 502, user terminal judge the relevant information that self whether stores the second available wireless access technology access point, in the time storing the relevant information of the second available wireless access technology access point, enter step 503; In the time not storing the relevant information of the second available wireless access technology access point, enter step 505.
Step 503, user terminal judge the relevant information that whether has the second wireless access technology access point matching with described the first wireless access technology position in the relevant information of the second available wireless access technology access point, in the time having the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 504; In the time there is no the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 506.
The relevant information of step 504, user terminal the second wireless access technology access point based on matching with described the first wireless access technology position is carried out scanning, enters step 507.
Step 505, user terminal are carried out scanning, enter step 507.
The relevant information of step 506, the second wireless access technology access point of user terminal based on available is carried out scanning, enters step 507.
Step 507, in the time scanning an accessible second wireless access technology access point, stop the scanning to the second wireless access technology.
Below in conjunction with Fig. 6, the 3rd embodiment of network search method provided by the invention is described in detail.
Step 601, user terminal are in the first wireless access technology coverage.
Step 602, user terminal judge the relevant information that self whether stores the second available wireless access technology access point, in the time storing the relevant information of the second available wireless access technology access point, enter step 603; In the time not storing the relevant information of the second available wireless access technology access point, enter step 605.
Step 603, user terminal judge the relevant information that whether has the second wireless access technology access point matching with described the first wireless access technology position in the relevant information of the second available wireless access technology access point, in the time having the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 604; In the time there is no the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 606.
The relevant information of step 604, user terminal the second wireless access technology access point based on matching with described the first wireless access technology position is carried out scanning, enters step 607.
Step 605, user terminal are carried out scanning, enter step 607.
The relevant information of step 606, the second wireless access technology access point of user terminal based on available is carried out scanning, enters step 607.
Step 607, in the time scanning an accessible second wireless access technology access point, stop the scanning to the second wireless access technology.
Step 608, using the relevant information of the second wireless access technology access point scanning as the relevant information of the second available wireless access technology access point and the positional information of described the first wireless access technology carry out corresponding stored.
Below in conjunction with Fig. 7, the 4th embodiment of network search method provided by the invention is described in detail.
Step 701, user terminal are in the first wireless access technology coverage.
Step 702, user terminal judge the relevant information that self whether stores the second available wireless access technology access point, in the time storing the relevant information of the second available wireless access technology access point, enter step 703; In the time not storing the relevant information of the second available wireless access technology access point, enter step 705.
Step 703, user terminal judge the relevant information that whether has the second wireless access technology access point matching with described the first wireless access technology position in the relevant information of the second available wireless access technology access point, in the time having the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 704; In the time there is no the relevant information of the second wireless access technology access point matching with described the first wireless access technology position, enter step 706.
The relevant information of step 704, user terminal the second wireless access technology access point based on matching with described the first wireless access technology position is carried out scanning, enters step 707.
Step 705, user terminal are carried out scanning, enter step 707.
The relevant information of step 706, the second wireless access technology access point of user terminal based on available is carried out scanning, enters step 707.
Step 707, in the time scanning an accessible second wireless access technology access point, stop the scanning to the second wireless access technology.
Step 708, using the relevant information of the second wireless access technology access point scanning as the relevant information of the second available wireless access technology access point and the positional information of described the first wireless access technology carry out corresponding stored.
Scanning timer is restarted in step 709, startup.
Whether then step 710, judgement restart scanning timer, when restarting scanning timer to constantly, return to step 702; Be less than constantly repeating step 710 when restarting scanning timer.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (18)
1. a network search method, is characterized in that, described method comprises:
User terminal is determined the sweep limits to the second wireless access technology;
User terminal scans the second wireless access technology according to sweep limits.
2. method according to claim 1, is characterized in that, described method also comprises:
User terminal is determined the sweep limits to the second wireless access technology according to canned data.
3. method according to claim 2, is characterized in that, described method also comprises:
In the time that user terminal scans first second accessible wireless access technology access point, user terminal is by the relevant information storage of described the second wireless access technology access point.
4. method according to claim 3, is characterized in that, described method also comprises:
The relevant information of described the second wireless access technology access point at least comprises one of following information:
Channel list, the access point priority that when the basic service set identification of the authorization message of the signal quality of access point, the information on load of access point, accessible this access point of user terminal, the Basic Service Set type of access point, access point, the service set of access point, terminal scanning Basic Service Set, should detect.
5. method according to claim 2, is characterized in that, described method also comprises:
User terminal obtains relevant information the storage of the second wireless access technology access point from the first wireless access technology.
6. method according to claim 5, is characterized in that, described method also comprises:
The relevant information of described the second wireless access technology access point at least comprises one of following information:
Channel list, the access point priority that when the service set of the Basic Service Set type of access point, the basic service set identification of access point, access point, terminal scanning Basic Service Set, should detect.
7. according to the method described in claim 3 or 5, it is characterized in that, described method also comprises:
When user terminal is stored the relevant information of the second wireless access technology access point, store the positional information of its first wireless access technology.
8. method according to claim 1, is characterized in that, described method also comprises:
User terminal is determined the sweep limits to the second wireless access technology according to current location information.
9. method according to claim 8, is characterized in that, described method also comprises:
User terminal is searched the relevant information of the second wireless access technology access point matching with current the first wireless access technology position of living in, and scans according to the relevant information of the second wireless access technology access point of coupling.
10. method according to claim 1, is characterized in that, described method also comprises:
In the time that user terminal scans first second accessible wireless access technology access point, stop the scanning to the second wireless access technology.
11. methods according to claim 10, is characterized in that, described method also comprises:
It is one of following that the accessible condition of described the second wireless access technology access point at least comprises: the load condition that the signal quality of access point meets authority that minimum threshold, user terminal have this access point of access, access point does not exceed high threshold.
12. methods according to claim 1, is characterized in that, described method also comprises:
When stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly when described, user terminal scans the second wireless access technology.
13. methods according to claim 12, is characterized in that, before scanning timer is restarted in described startup, described method also comprises:
User terminal, according to its translational speed with at the service condition of the first wireless access technology, is restarted the duration of scanning timer described in arranging, described service condition is divided into without the idle condition of transfer of data and has the connection status of transfer of data.
14. 1 kinds of user terminals, is characterized in that, described user terminal comprises:
Sweep limits determining unit, for determining the sweep limits to the second wireless access technology;
Scanning element, for scanning the second wireless access technology according to sweep limits.
15. user terminals according to claim 14, is characterized in that, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to canned data.
16. user terminals according to claim 14, is characterized in that, described sweep limits determining unit, specifically for determining the sweep limits to the second wireless access technology according to current location information.
17. user terminals according to claim 14, is characterized in that, described user terminal also comprises:
Control unit, when scan first second accessible wireless access technology access point when scanning element, stops the scanning to the second wireless access technology.
18. user terminals according to claim 14, is characterized in that, described control unit, also for when stop the second wireless access technology scanning time, start and restart scanning timer, restart scanning timer to constantly, scanning the second wireless access technology when described.
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| CN201310173561.7A CN104144469A (en) | 2013-05-10 | 2013-05-10 | Network searching method and device |
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| CN201310173561.7A CN104144469A (en) | 2013-05-10 | 2013-05-10 | Network searching method and device |
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Application publication date: 20141112 |