CN104754695A - Network access method and user equipment - Google Patents
Network access method and user equipment Download PDFInfo
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- CN104754695A CN104754695A CN201310740019.5A CN201310740019A CN104754695A CN 104754695 A CN104754695 A CN 104754695A CN 201310740019 A CN201310740019 A CN 201310740019A CN 104754695 A CN104754695 A CN 104754695A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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Abstract
The embodiment of the invention provides a network access method and a piece of user equipment. By adopting the method, a piece of UE can be found in time and accessed to an LTE network when the UE enters an area supporting CSFB from an area not supporting CSFB. The method comprises the following steps: a piece of UE receives broadcast of a current cell, wherein the broadcast includes the current location area code (LAC); the UE enables a function which is closed and used for LTE network communication when determining that the current LAC is different from a locally stored LAC; and the UE detects an LTE network of the cell through the function used for LTE network communication, and initiates an access process to the LTE network.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for network access and subscriber equipment.
Background technology
Circuit switched fallback (Curcuit Switch FallBack, CSFB) be the communication technology that speech business is provided based on circuit-domain network, the prerequisite of CSFB is subscriber equipment (User Equipment, UE) Evolved UTRAN network (Evolved Universal Terrestrial Radio Access Network is in, E-UTRAN) with the overlapping region of GERAN/UTRAN, respectively at core net CS territory and packet switching (Packet Switch, PS) territory registration, and UE only works in a frequency in RAN side, acquiescence resides at Long Term Evolution (Long Term Evolved, LTE) network, wherein GERAN is global system for mobile communications (Global System for Mobile communication, and the enhanced data rates of GSM (Enhanced Data rates for GSM Evolution GSM), EDGE) abbreviation of Radio Access Network, UTRAN is the abbreviation of universal mobile telecommunications system land radio access web.When UE receives audio call, because UE or LTE network do not support IP-based voice transfer (Voice over IP, VoIP) reason such as business, UE cannot continue to connect audio call in LTE network, UE by being redirected, the mode such as gravity treatment or rollback is switched to second generation mobile communication system (2nd Generation, 2G)/3-G (Generation Three mobile communication system) (3rd Generation, CS territory 3G), continue to realize the seamless of audio call, ensure Consumer's Experience.
For reducing wireless investment and radio configuration, carrying out the deployment of CSFB subregion, supporting CSFB in the evolved base station (eNodeB) of hot spot region, not supporting CSFB at the eNodeB of other non-hot spot regions.In non-hot spot region, if UE is voice preferentially (voice centric) patterns, then it can close the function for LTE network communication, selects to reside in 2G/3G network and carries out CS/PS business.
The defect of prior art is: suppose that CSFB UE has just started to reside in non-hot spot region, close the function being used for LTE network communication, then move to hot spot region, because UE has closed its function communicated for LTE network, cause UE still cannot access LTE network in hot spot region, LTE network can only be accessed by the mode such as again to start shooting.
Summary of the invention
Embodiments provide a kind of method for network access and subscriber equipment, in order to solve UE never support the region of CSFB enter support CSFB region after, because UE has closed its function communicated for LTE network, cause UE cannot access the problem of LTE network
A kind of method for network access that the embodiment of the present invention provides comprises:
User equipment (UE) receives the broadcast of current area, comprising Current location area code LAC;
When described UE determines that described current LAC is different from the LAC that this locality stores, enable the buttoned-up function for LTE network communication;
Described UE to the LTE network of community, initiates access procedure to described LTE network by the described Function detection for LTE network communication.
A kind of UE that the embodiment of the present invention provides comprises:
Receiving element, for receiving the broadcast of current area, comprising Current location area code LAC;
Processing unit, during for determining that described current LAC is different from the LAC that this locality stores, enables the buttoned-up function for LTE network communication;
Network insertion unit, for by the described Function detection for LTE network communication to the LTE network of community, to described LTE network initiation access procedure.
In the embodiment of the present invention, UE receives the broadcast of current area, when determining that current LAC is different from the LAC that this locality stores, enable the buttoned-up function for LTE network communication, UE to the LTE network of community, initiates access procedure to described LTE network by the described Function detection for LTE network communication; UE, when determining that LAC changes, just attempts access LTE network automatically, after making UE never support that the region of CSFB enters the region supporting CSFB, also automatically can access LTE network by Timeliness coverage, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of method for network access that the embodiment of the present invention provides;
Fig. 2 is the schematic flow sheet of a kind of method for network access that the specific embodiment of the invention provides;
Fig. 3 is the structural representation of the UE that the embodiment of the present invention provides.
Embodiment
Embodiments provide a kind of method for network access and UE, after never supporting that the region of CSFB enters the region supporting CSFB for UE, Timeliness coverage also accesses LTE network automatically, promotes Consumer's Experience.
See Fig. 1, a kind of method for network access that the embodiment of the present invention provides comprises:
S101, UE receive the broadcast of current area, comprising Current location area code LAC;
When S102, described UE determine that described current LAC is different from the LAC that this locality stores, enable the buttoned-up function for LTE network communication;
S103, described UE to the LTE network of community, initiate access procedure to described LTE network by the described Function detection for LTE network communication.
Location area code (Location Area Code, LAC) for identifying the public Land Mobile Network of China (Public Land Mobile Network, PLMN) each area, there is a unique LAC in each area, LAC is BCD (the Binary-Coded Decimal of 2 byte 16 systems, BCD) code, sends the LAC of this location, community in the system message over the broadcast of each community.UE is at start, insertion subscriber identification module (Subscriber Identity Module, SIM) card or when finding that the LAC of current area is different from the LAC that it stored originally, notices the LAC in the area at its current place to network side by IMSI attachment (IMSI Attach) process or position updating process.Network side stores the LAC of each UE, and as the positional information of in the future this UE of paging.
For cost-saving, the mode that CSFB subregion is disposed can be adopted, therefore, UE trans-regional mobile time, the area of CSFB may be supported by not supporting that the area of CSFB enters, therefore, the embodiment of the present invention proposes UE when determining that LAC changes, and determines trans-regional movement, opens the function being used for LTE network communication and also attempts access LTE network, if what UE entered is the area supporting CSFB, then UE can access LTE network in time automatically.
Preferably, in step S102, after described UE determines that described current LAC is different from the LAC that this locality stores, at local update LAC.
Alternatively, described UE closes the function for LTE network communication in situations: after described UE accesses initial cell, according to initial cell send message determine described initial cell not support circuit-switched fall after rise CSFB time, close be used for LTE network communication function.The community of access when initial cell may be UE start, also may be the community that UE enters in moving process, in a word, CSFB not be supported in initial cell, and UE closes the function being used for LTE network communication behind access initial cell.
Further, also comprise after step S101: when described UE determines that described current LAC is identical with the LAC that this locality stores, keep closing the function being used for LTE network communication.
After step S102, also comprise: described UE does not detect the LTE network of community, close the function being used for LTE network communication.UE trans-regional mobile time, may enter the community not supporting LTE, or the function for LTE network communication of UE breaks down, UE finds to access LTE network after opening the function for LTE network communication, then close the function being used for LTE network communication, save UE power consumption.
Preferably, after step S103, also comprise: judge whether described LTE network supports CSFB according to the message that current area sends, if so, described UE resides in described LTE network; Otherwise described UE closes the function being used for LTE network communication.If the LTE network of current area supports CSFB, then UE can access the LTE network of current area, and while enjoying high-speed data service, the quality of service of voice call also can be protected; And if the LTE network of current area does not support CSFB, UE, under voicecentric pattern, can close the function for LTE network communication, reside in 2G/3G network, ensures that speech business can normally be carried out.
See Fig. 2, the idiographic flow that the embodiment of the present invention provides comprises:
S201, UE are not supporting that the region A of CSFB is resident;
S202, UE close the function being used for LTE network communication, select resident 2G/3G network to carry out CS/PS business;
S203, UE move to the region B supporting CSFB from region A;
S204, UE determine that LAC changes, and open the function being used for LTE network communication, attempt access LTE network;
S205, UE judge whether successfully to access LTE network; If so, S206 is performed; Otherwise, perform S208;
S206, UE are by the Signalling exchange with core net, and such as tracing section updating (Tracking Area Update, TAU) process, obtains the network information, judge whether the LTE network accessed supports CSFB; If so, S207 is performed; Otherwise, perform S208;
S207, UE are held open the function for LTE network communication; Terminate;
S208, UE close the function being used for LTE network communication; Terminate.
See Fig. 3, a kind of UE that the embodiment of the present invention provides comprises:
Receiving element 301, for receiving the broadcast of current area, comprising Current location area code LAC;
Processing unit 302, during for determining that described current LAC is different from the LAC that this locality stores, enables the buttoned-up function for LTE network communication;
Network insertion unit 303, for by the described Function detection for LTE network communication to the LTE network of community, to described LTE network initiation access procedure.
Described UE also comprises:
Closing unit, after described UE accesses initial cell, when the message sent according to initial cell is determined described initial cell support circuit-switched is not fallen CSFB after rise, closes the function being used for LTE network communication.
Described processing unit 302 also for:
Determine that described current LAC is identical with the LAC that this locality stores, then keep closing the function being used for LTE network communication.
Described network insertion unit 303 also for:
The LTE network of community do not detected, then close the function being used for LTE network communication.
Described UE also comprises:
Judging unit, after initiating access procedure to described LTE network, judge whether described LTE network supports CSFB according to the message that current area sends, if so, described UE resides in described LTE network;
Otherwise described UE closes the function being used for LTE network communication.
In sum, embodiments provide a kind of method for network access and UE, for UE after never supporting the region of CSFB to enter the region supporting CSFB, LTE network can be accessed in time, by restarting UE to open the function for LTE network communication, Consumer's Experience can only be improved compared to user in prior art.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a method for network access, is characterized in that, comprising:
UE receives the broadcast of current area, comprising Current location area code LAC;
When described UE determines that described current LAC is different from the LAC that this locality stores, enable the buttoned-up function for LTE network communication;
Described UE to the LTE network of community, initiates access procedure to described LTE network by the described Function detection for LTE network communication.
2. the method for claim 1, is characterized in that, described UE closes the function for LTE network communication in situations:
After described UE accesses initial cell, when the message sent according to initial cell is determined described initial cell support circuit-switched is not fallen CSFB after rise, close the function being used for LTE network communication.
3. the method for claim 1, is characterized in that, described UE also comprises after receiving the broadcast of described community:
Described UE determines that described current LAC is identical with the LAC that this locality stores, then keep closing the function being used for LTE network communication.
4. the method for claim 1, is characterized in that, described in enable for LTE network communication function after, also comprise:
Described UE does not detect the LTE network of community, then close the function being used for LTE network communication.
5. the method for claim 1, is characterized in that, described UE, to after described LTE network initiates access procedure, also comprises:
Judge whether support circuit-switched falls CSFB after rise to described LTE network, and if so, described UE resides in described LTE network according to the message that current area sends;
Otherwise described UE closes the function being used for LTE network communication.
6. a user equipment (UE), is characterized in that, comprising:
Receiving element, for receiving the broadcast of current area, comprising Current location area code LAC;
Processing unit, during for determining that described current LAC is different from the LAC that this locality stores, enables the buttoned-up function for the communication of Long Term Evolution LTE network;
Network insertion unit, for by the described Function detection for LTE network communication to the LTE network of community, to described LTE network initiation access procedure.
7. equipment as claimed in claim 6, is characterized in that, also comprise:
Closing unit, for after described UE accesses initial cell, when the message sent according to initial cell is determined described initial cell support circuit-switched is not fallen CSFB after rise, closes the function being used for LTE network communication.
8. equipment as claimed in claim 6, is characterized in that, described processing unit also for:
Determine that described current LAC is identical with the LAC that this locality stores, then keep closing the function being used for LTE network communication.
9. equipment as claimed in claim 6, is characterized in that, described network insertion unit also for:
The LTE network of community do not detected, then close the function being used for LTE network communication.
10. equipment as claimed in claim 6, is characterized in that, also comprise:
According to the message that current area sends, judging unit, after initiating access procedure to described LTE network, judges whether support circuit-switched falls CSFB after rise to described LTE network, and if so, described UE resides in described LTE network;
Otherwise described UE closes the function being used for LTE network communication.
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| CN201310740019.5A CN104754695B (en) | 2013-12-26 | 2013-12-26 | A kind of method for network access and user equipment |
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| CN201310740019.5A CN104754695B (en) | 2013-12-26 | 2013-12-26 | A kind of method for network access and user equipment |
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Cited By (4)
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| CN105472677A (en) * | 2015-12-28 | 2016-04-06 | 华为技术有限公司 | Switching method and user equipment |
| CN109792705A (en) * | 2016-07-25 | 2019-05-21 | 瑞典爱立信有限公司 | More RAT resident coordination simultaneously |
| CN111510994A (en) * | 2020-04-23 | 2020-08-07 | 维沃移动通信有限公司 | Network access method and device |
| CN115209492A (en) * | 2021-04-12 | 2022-10-18 | 维沃移动通信有限公司 | Communication processing method, device and related equipment |
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| CN111510994A (en) * | 2020-04-23 | 2020-08-07 | 维沃移动通信有限公司 | Network access method and device |
| CN115209492A (en) * | 2021-04-12 | 2022-10-18 | 维沃移动通信有限公司 | Communication processing method, device and related equipment |
| CN115209492B (en) * | 2021-04-12 | 2024-04-19 | 维沃移动通信有限公司 | Communication processing method and device and related equipment |
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| CN104754695B (en) | 2019-01-08 |
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