CN103747492A - Method for accessing terminal into long-term evolution network and terminal - Google Patents
Method for accessing terminal into long-term evolution network and terminal Download PDFInfo
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- CN103747492A CN103747492A CN201410008700.5A CN201410008700A CN103747492A CN 103747492 A CN103747492 A CN 103747492A CN 201410008700 A CN201410008700 A CN 201410008700A CN 103747492 A CN103747492 A CN 103747492A
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Abstract
The embodiment of the invention provides a method for accessing a terminal into a long-term evolution (LTE) network and a terminal. The method comprises the following steps: a terminal judges whether a wireless resource control release message sent from an LTE network side server is received or not within a preset time slot, and a judgment result is obtained; the terminal determines the sending moment of a residency request message according to the judgment result, wherein the residency request message is used for requesting to be accessed into the LTE network side server; the terminal sends the residency request message to the LTE network side server at the sending moment. According to the method provided by the embodiment of the invention, the problem of long-time waiting caused by that the terminal cannot receive the wireless resource control release message quickly because of the special reason of the LTE network side server is avoided, so that the waiting time for the terminal to send the residency request message is shortened, speed for accessing into the LTE network side server is improved, and the network resource is fully utilized.
Description
Technical field
The embodiment of the present invention relates to communication technical field, relates in particular to a kind of method and terminal of terminal access long-term evolving network.
Background technology
Along with the continuous maturation of Long Term Evolution (Long Term Evolution, hereinafter to be referred as LTE) technology, in world wide, increasing Virtual network operator starts to introduce the service that LTE network provides high-throughput and accesses fast for user.Many operators are current can support LTE network and the third generation (The Third Generation simultaneously, hereinafter to be referred as 3G) network, 3G network is not only to internetwork the taking over seamlessly of LTE the technology that Virtual network operator is concerned about, has also become the importance that terminal use is concerned about.
In prior art, terminal is specially from 3G network access LTE network: reside in the terminal in 3G network, when meeting third generation partner program (3rd Generation Partnership Project, hereinafter to be referred as 3GPP) 3G network of agreement regulation is after the switching criterion of LTE network, to LTE network side server, send tracing section updating request message, due to certain odjective cause (for example: LTE unstable networks), LTE network side server sends tracing section updating refuse information to UE and forbids that UE is directly linked into LTE network.According to 3GPP agreement, stipulate, terminal need to wait for that receiving LTE network side server sends radio resource control release (Radio Resource Control release in the case, hereinafter to be referred as RRC release) after message, to LTE network side server, send resident request message, if UE receives the resident of LTE network side server transmission and accepts message successfully, LTE network insertion success, if failure, according to agreement UE, will send continuously resident request message 5 times, be 10s each interval time.
But, owing to whether not sending RRC release signaling or when sending after strict regulations LTE network side server transmission TAU reject in 3GPP agreement, therefore for some ad hoc network configuration, such as LTE network side server does not send RRC release message for a long time or always, can cause UE wait as long for and can not access LTE network, thereby reduce the speed of UE access LTE network, waste Internet resources.
Summary of the invention
The embodiment of the present invention provides a kind of method and terminal of terminal access long-term evolving network, to solve terminal, because slowly receiving Radio Resource, the cause specific of LTE network side server do not control the problem waiting as long for that release message causes, to realize the object that promotes network insertion speed.
First aspect, the embodiment of the present invention provides a kind of method of terminal access long-term evolving network, and described terminal is the terminal residing in third generation 3G network, and the method comprises:
Whether terminal judges receives the Radio Resource control release message that LTE network side server sends in Preset Time section, obtains judged result;
Described terminal is determined the delivery time of resident request message according to described judged result; Wherein, described resident request message is used for asking to access described LTE network side server;
Described terminal sends described resident request message at described delivery time to described LTE network side server.
In conjunction with first aspect, in the possible execution mode of the first of first aspect, describedly judgment result is that described terminal receives the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described terminal is determined the delivery time of resident request message according to described judged result, specifically comprises:
Described terminal is defined as the moment that receives described Radio Resource control release message the delivery time of described resident request message.
In conjunction with first aspect, in the possible execution mode of the second of first aspect, describedly judgment result is that described terminal does not receive the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described terminal is determined the delivery time of resident request message according to described judged result, specifically comprises:
Described terminal is defined as the cut-off time of described Preset Time section the delivery time of described resident request message.
In conjunction with first aspect to any one in the possible execution mode of the second of first aspect, in the third possible execution mode of first aspect, whether described terminal judges receives the Radio Resource control release message that LTE network side server sends in Preset Time section, before obtaining judged result, also comprise:
Described terminal judges self meets the switching criterion that switches to described LTE network side server from described 3G network;
Described terminal sends tracing section updating request message to described LTE network side server, for asking to access described LTE network side server;
Described terminal receives the tracing section updating refuse information that described LTE network side server sends.
In conjunction with the third possible execution mode of first aspect, in the 4th kind of possible execution mode of first aspect, described terminal judges self meets the switching criterion that switches to described LTE network side server from described 3G network, is specially:
Described terminal self meets described switching criterion according to the signal strength signal intensity judgement of described 3G network.
Second aspect, the embodiment of the present invention provides a kind of terminal, and described terminal resides in third generation 3G network, and described terminal comprises:
Whether the first judge module, receive the Radio Resource control release message that LTE network side server sends, obtain judged result for judging in Preset Time section;
Determination module, for determining the delivery time of resident request message according to the judged result of described judge module; Wherein, described resident request message is used for asking to access described LTE network side server;
The first sending module, sends described resident request message for the described delivery time of determining at described determination module to described LTE network side server.
In conjunction with second aspect, in the possible execution mode of the first of second aspect, describedly judgment result is that described terminal receives the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described determination module, specifically for being defined as the moment that receives described Radio Resource and control release message the delivery time of described resident request message.
In conjunction with second aspect, in the possible execution mode of the second of second aspect, describedly judgment result is that described terminal does not receive the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described determination module, specifically for being defined as the cut-off time of described Preset Time section the delivery time of described resident request message.
In conjunction with second aspect, to any one in the possible execution mode of the second of second aspect, in the third possible execution mode of second aspect, described terminal also comprises:
The second judge module, for whether receiving in described the first judge module judgement the Radio Resource control release message that LTE network side server sends in Preset Time section, before obtaining judged result, judge that self meets the switching criterion that switches to described LTE network side server from described 3G network;
The second sending module, for sending tracing section updating request message to described LTE network side server, for asking to access described LTE network side server;
Receiver module, the tracing section updating refuse information sending for receiving described LTE network side server.
In conjunction with the third possible execution mode of second aspect, in the 4th kind of possible execution mode of second aspect, described the second judge module, self meets described switching criterion specifically for the signal strength signal intensity judgement according to described 3G network.
The embodiment of the present invention provides a kind of method and terminal of terminal access long-term evolving network, by terminal judges, in Preset Time section, whether receive the Radio Resource control release message that LTE network side server sends, thereby determine the delivery time of resident request message, and send in time this resident request message, avoided terminal not control because the cause specific of LTE network side server slowly receives Radio Resource the problem that waits as long for that release message causes, thereby reduced stand-by period that terminal sends resident request message, promoted the speed of access LTE network side server, and take full advantage of Internet resources.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of method one embodiment of a kind of terminal access long-term evolving network provided by the invention;
Fig. 2 is the signaling process figure of another embodiment of method of a kind of terminal access long-term evolving network provided by the invention;
Fig. 3 is the structural representation of terminal one embodiment provided by the invention;
Fig. 4 is the structural representation of another embodiment of terminal provided by the invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The terminal relating in the application, it is subscriber equipment, can be that wireless terminal can be also catv terminal, wireless terminal can be to point to the equipment that user provides voice and/or data connectivity, has the portable equipment of wireless connecting function or is connected to other treatment facilities of radio modem.Wireless terminal can be through wireless access network (for example, RAN, Radio Access Network) communicate with one or more core net, wireless terminal can be mobile terminal, as mobile phone (or being called " honeycomb " phone), the computer with mobile terminal and machine type communication (Machine Type Communication, hereinafter to be referred as MTC) equipment, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted, they and wireless access network exchange language and/or data.For example, Personal Communications Services (PCS, Personal Communication Service) phone, cordless telephone, Session Initiation Protocol phone, wireless local loop (WLL, Wireless Local Loop) stand, the equipment such as personal digital assistant (PDA, Personal Digital Assistant).Wireless terminal also can be called system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), mobile radio station (Mobile Station), travelling carriage (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), subscriber equipment (User Device) or subscriber's installation (User Equipment).
Fig. 1 is the schematic flow sheet of method one embodiment of terminal access long-term evolving network provided by the invention.As shown in Figure 1, the method comprises:
S101: whether terminal judges receives the Radio Resource control release message that LTE network side server sends in Preset Time section, obtains judged result.
Concrete, the method that the embodiment of the present invention relates to goes for residing in the scene that terminal in 3G network will access LTE network, and the LTE network side server of below mentioning can be all the LTE network equipment, and terminal all can be for residing in the terminal in 3G network.
The terminal residing in 3G network determines that according to current 3G network quality or signal transmission quality it meets 3G to the switching criterion of LTE, terminal sends tracing section updating request (Tracking Area Update request according to 3GPP agreement regulation to LTE network side server, hereinafter to be referred as TAU request) message, LTE network side server accesses the relevant informations such as situation or network capacity according to self current user and determines whether to allow this terminal access.When LTE network side server judge current LTE network actual conditions (such as: while network quality etc.) not allowing the access of this terminal, to this terminal, send tracing section updating refusal (Tracking Area Update reject, hereinafter to be referred as TAU reject) message and Radio Resource control release (Radio Resource Control release, hereinafter to be referred as RRC release) message.But, it should be noted that, delivery time for RRC release message in 3GPP agreement does not have strict regulation, it can send to immediately terminal after LTE network side server sends TAU reject message, can also send TAU reject message at LTE network side server and send to terminal after a period of time.
In prior art, if send immediately RRC release message after LTE network side server TAU reject message sends TAU reject message, but terminal is also to send immediately primary resident request (attach request) message after receiving TAU reject message, be easy to like this cause terminal just to distribute resident request message, just receive at once the RRC release message that LTE network side server sends, make terminal resident request unsuccessfully for the first time.And according to 3GPP agreement regulation, terminal just can send secondary resident request message after need to waiting for 10s, therefore make terminal waste 10s, that is, make the time of terminal access LTE network side server increase 10s.If terminal just sends primary resident request message to LTE network side server after the RRC release message that receives the transmission of LTE network side server, after sending TAU reject message, LTE network side server slowly to terminal, do not send RRC release message, terminal also can be absorbed in long wait, so also increase the time of terminal access LTE network, increased the burden of network.
But in embodiments of the present invention, terminal has its oneself judgment mechanism, judge in Preset Time section, whether to receive the RRC release message that LTE network side server sends, obtain judged result; Optionally, the timer of this Preset Time section in can counterpart terminal.
S102: terminal is determined the delivery time of resident request message according to above-mentioned judged result; Wherein, this resident request message is used for asking to access above-mentioned LTE network side server.
Concrete, terminal can be determined the delivery time of resident request message according to above-mentioned judged result, and definite principle of the delivery time of this resident request message is to allow terminal wait minimum time be as the criterion.The moment that optionally, terminal can be received in Preset Time section to RRC release message is defined as sending the moment of resident request message.Preferably, above-mentioned Preset Time section can be set to 1s.
S103: terminal sends resident request message at this delivery time to LTE network side server.
Concrete, once terminal has received RRC release message in Preset Time section, just to LTE network side server, send resident request message at once, and need not be absorbed in long wait, reduce the time of terminal from 3G network access LTE network, thereby improved access speed.
The embodiment of the present invention provides the terminal access LTE method of network, by terminal judges, in Preset Time section, whether receive the Radio Resource control release message that LTE network side server sends, thereby determine the delivery time of resident request message, and send in time this resident request message, avoided terminal not control because the cause specific of LTE network side server slowly receives Radio Resource the problem that waits as long for that release message causes, thereby reduced stand-by period that terminal sends resident request message, promoted the speed of access LTE network side server, and take full advantage of Internet resources.
Further, on above-mentioned basis embodiment illustrated in fig. 1, as a kind of feasible execution mode of the embodiment of the present invention, the method that the present embodiment relates to is that terminal is determined and sent the idiographic flow of resident request message to the moment of LTE network side server according to above-mentioned judged result; Wherein, described in, judgment result is that terminal receives the described Radio Resource control release message that described LTE network side server sends in described Preset Time section.Above-mentioned S102 is specially: terminal is defined as the moment that receives above-mentioned Radio Resource control release message the delivery time of resident request message.
Concrete, terminal can be determined the delivery time of resident request message according to above-mentioned judged result, and definite principle of the delivery time of this resident request message is to allow terminal wait minimum time be as the criterion.The moment that optionally, terminal can be received in Preset Time section to RRC release message is defined as sending the moment of resident request message.
Further, on above-mentioned basis embodiment illustrated in fig. 1, as the feasible execution mode of the another kind of the embodiment of the present invention, the method that the present embodiment relates to is that terminal is determined and sent the idiographic flow of resident request message to the moment of LTE network side server according to above-mentioned judged result; Wherein, described in, judgment result is that described terminal does not receive the described Radio Resource control release message that described LTE network side server sends in described Preset Time section.Above-mentioned S102 is specifically as follows: terminal is defined as the cut-off time of above-mentioned Preset Time section the delivery time of resident request message.
Concrete, if terminal does not receive the RRCrelease message that LTE network side server sends in Preset Time section, the cut-off time of the above-mentioned Preset Time section of terminal is defined as sending to LTE network side server the moment of resident request message, and to LTE network side server, sending resident request message in cut-off time, said cut-off time refers to the termination moment of the Preset Time section of terminal here.
The embodiment of the present invention provides the terminal access LTE method of network, by terminal judges, in Preset Time section, whether receive the Radio Resource control release message that LTE network side server sends, thereby determine the delivery time of resident request message, and send in time this resident request message, avoided terminal not control because the cause specific of LTE network side server slowly receives Radio Resource the problem that waits as long for that release message causes, thereby reduced stand-by period that terminal sends resident request message, promoted the speed of access LTE network side server, and take full advantage of Internet resources.
Fig. 2 is the signaling process figure of another embodiment of method of terminal access long-term evolving network provided by the invention.The method that the present embodiment relates to is that terminal is from the detailed process of 3G network access LTE network.As shown in Figure 2, the method comprises:
S201: terminal judges self meets the switching criterion that switches to LTE network side server from 3G network.
Concrete, the terminal residing in 3G network self meets 3G network to the switching criterion of LTE network according to the signal strength signal intensity judgement of current 3G network.
S202: terminal sends TAU request message to LTE network side server, for asking to access LTE network side server.
Concrete, terminal sends TAU request message according to 3GPP agreement regulation to LTE network side server, and LTE network side server accesses the relevant informations such as situation or network capacity according to self current user and determines whether to allow this terminal access.
S203:LTE network side server sends TAU reject message to terminal.
S204:LTE network side server sends RRC release message to terminal.
When LTE network side server accesses situation or network capacity and judges that the objective circumstances of current LTE network do not allow this terminal access according to self current user, to this terminal, send TAU reject message and RRC release message.But, it should be noted that, delivery time for RRC release message in 3GPP agreement does not have strict regulation, it can send to immediately terminal after LTE network side server sends TAU reject message, can also send TAU reject message at LTE network side server and send to terminal after a period of time.
S205: whether terminal judges receives RRC release message in Preset Time section; If so, carry out S206; If not, carry out S207.
Optionally, whether terminal can receive RRC release message according to the testing mechanism judgement of self in Preset Time section.
S206: terminal will receive the delivery time of the moment of RRC release message as resident request message.
Concrete, when above-mentioned, judgment result is that terminal receives the Radio Resource control release message that LTE network side server sends in Preset Time section, terminal is defined as the moment that receives above-mentioned Radio Resource control release message the delivery time of resident request message.
S207: the delivery time of terminal using the cut-off time of above-mentioned Preset Time section as resident request message.
Concrete, when above-mentioned, judgment result is that terminal does not receive the Radio Resource control release message that LTE network side server sends in Preset Time section, terminal is defined as the cut-off time of above-mentioned Preset Time section the delivery time of resident request message, and to LTE network side server, sending resident request message in this cut-off time, said cut-off time refers to the termination moment of the Preset Time section of terminal here.
S208: terminal sends resident request message at above-mentioned definite delivery time to LTE network side server.
S209:LTE network side server sends the resident message of accepting to terminal, so that terminal access LTE network.
The embodiment of the present invention provides a kind of method of terminal access LTE network, by terminal judges, in Preset Time section, whether receive the Radio Resource control release message that LTE network side server sends, thereby determine the delivery time of resident request message, and send in time this resident request message, avoided terminal not control because the cause specific of LTE network side server slowly receives Radio Resource the problem that waits as long for that release message causes, thereby reduced stand-by period that terminal sends resident request message, promoted the speed of access LTE network side server, and take full advantage of Internet resources.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Fig. 3 is the structural representation of terminal one embodiment provided by the invention.As shown in Figure 3, this terminal 20 can comprise: the first judge module 10, determination module 11 and the first sending module 12; Wherein, whether the first judge module 10, receive the Radio Resource control release message that LTE network side server sends, obtain judged result for judging in Preset Time section; Determination module 11, for determining the delivery time of resident request message according to the judged result of judge module 10; Wherein, this resident request message is used for asking to access above-mentioned LTE network side server; The first sending module 12, for sending resident request message at the definite delivery time of determination module 11 to LTE network side server.
The terminal that the embodiment of the present invention provides can be carried out the technical scheme of said method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
Further, on above-mentioned basis embodiment illustrated in fig. 3, describedly judgment result is that described terminal receives the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, above-mentioned determination module 11 is specifically for being defined as the moment that receives Radio Resource and control release message the delivery time of resident request message.
Further, on above-mentioned basis embodiment illustrated in fig. 3, describedly judgment result is that described terminal does not receive the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, above-mentioned determination module 11, specifically for being defined as the cut-off time of above-mentioned Preset Time section the delivery time of resident request message.
The terminal that the embodiment of the present invention provides can be carried out the technical scheme of said method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
Fig. 4 is the structural representation of another embodiment of terminal provided by the invention.Further, on the basis of above-described embodiment, above-mentioned terminal 20 can also comprise: the second judge module 13, for whether receiving in described the first judge module 10 judgements the Radio Resource control release message that LTE network side server sends in Preset Time section, before obtaining judged result, judge that self meets the switching criterion that switches to described LTE network side server from described 3G network; The second sending module 14, for sending tracing section updating request message to described LTE network side server, for asking to access described LTE network side server; Receiver module 15, the tracing section updating refuse information sending for receiving described LTE network side server.
Further, above-mentioned the second judge module 13, self meets described switching criterion specifically for the signal strength signal intensity judgement according to described 3G network.
The terminal that the embodiment of the present invention provides can be carried out the technical scheme of said method embodiment, and it realizes principle and technique effect is similar, does not repeat them here.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. terminal accesses a method for Long Term Evolution LTE network, and described terminal is the terminal residing in third generation 3G network, it is characterized in that, described method comprises:
Whether described terminal judges receives the Radio Resource control release message that LTE network side server sends in Preset Time section, obtains judged result;
Described terminal is determined the delivery time of resident request message according to described judged result; Wherein, described resident request message is used for asking to access described LTE network side server;
Described terminal sends described resident request message at described delivery time to described LTE network side server.
2. method according to claim 1, it is characterized in that, describedly judgment result is that described terminal receives the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described terminal is determined the delivery time of resident request message according to described judged result, specifically comprises:
Described terminal is defined as the moment that receives described Radio Resource control release message the delivery time of described resident request message.
3. method according to claim 1, it is characterized in that, describedly judgment result is that described terminal does not receive the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described terminal is determined the delivery time of resident request message according to described judged result, specifically comprises:
Described terminal is defined as the cut-off time of described Preset Time section the delivery time of described resident request message.
4. according to the method described in claim 1-3 any one, it is characterized in that, whether described terminal judges receives the Radio Resource control release message that LTE network side server sends in Preset Time section, before obtaining judged result, also comprises:
Described terminal judges self meets the switching criterion that switches to described LTE network side server from described 3G network;
Described terminal sends tracing section updating request message to described LTE network side server, for asking to access described LTE network side server;
Described terminal receives the tracing section updating refuse information that described LTE network side server sends.
5. method according to claim 4, is characterized in that, described terminal judges self meets the switching criterion that switches to described LTE network side server from described 3G network, is specially:
Described terminal self meets described switching criterion according to the signal strength signal intensity judgement of described 3G network.
6. a terminal, described terminal resides in third generation 3G network, it is characterized in that, and described terminal comprises:
Whether the first judge module, receive the Radio Resource control release message that LTE network side server sends, obtain judged result for judging in Preset Time section;
Determination module, for determining the delivery time of resident request message according to the judged result of described judge module; Wherein, described resident request message is used for asking to access described LTE network side server;
The first sending module, sends described resident request message for the described delivery time of determining at described determination module to described LTE network side server.
7. terminal according to claim 6, it is characterized in that, describedly judgment result is that described terminal receives the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described determination module, specifically for being defined as the moment that receives described Radio Resource and control release message the delivery time of described resident request message.
8. terminal according to claim 6, it is characterized in that, describedly judgment result is that described terminal does not receive the described Radio Resource that described LTE network side server sends and controls release message in described Preset Time section, described determination module, specifically for being defined as the cut-off time of described Preset Time section the delivery time of described resident request message.
9. according to the terminal described in claim 6-8 any one, it is characterized in that, described terminal also comprises:
The second judge module, for whether receiving in described the first judge module judgement the Radio Resource control release message that LTE network side server sends in Preset Time section, before obtaining judged result, judge that self meets the switching criterion that switches to described LTE network side server from described 3G network;
The second sending module, for sending tracing section updating request message to described LTE network side server, for asking to access described LTE network side server;
Receiver module, the tracing section updating refuse information sending for receiving described LTE network side server.
10. terminal according to claim 9, is characterized in that, described the second judge module self meets described switching criterion specifically for the signal strength signal intensity judgement according to described 3G network.
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| CN105451325A (en) * | 2014-09-24 | 2016-03-30 | 中兴通讯股份有限公司 | Processing method and device for abnormal card no-loading in LTE network |
| CN108476441A (en) * | 2016-12-30 | 2018-08-31 | 华为技术有限公司 | Cell switching method and terminal device |
| US10728854B2 (en) | 2016-12-30 | 2020-07-28 | Huawei Technologies Co., Ltd. | Cell handover method and terminal device |
| CN108476441B (en) * | 2016-12-30 | 2020-09-29 | 华为技术有限公司 | Cell switching method and terminal equipment |
| US11076354B2 (en) | 2016-12-30 | 2021-07-27 | Huawei Technologies Co., Ltd. | Cell handover method and terminal device |
| CN108012294A (en) * | 2017-11-29 | 2018-05-08 | 新智数字科技有限公司 | A kind of method and device of network switching |
| CN108012294B (en) * | 2017-11-29 | 2021-04-02 | 新智数字科技有限公司 | Network switching method and device |
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