CN104427577B - The searching method and device of network signal - Google Patents
The searching method and device of network signal Download PDFInfo
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- CN104427577B CN104427577B CN201310364349.9A CN201310364349A CN104427577B CN 104427577 B CN104427577 B CN 104427577B CN 201310364349 A CN201310364349 A CN 201310364349A CN 104427577 B CN104427577 B CN 104427577B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of searching method of network signal and devices, in the above-mentioned methods, determine that coverage loss occurs for the first standard network signal；The way of search to network signal is determined according to the coverage condition of other standard network signals.The technical solution provided according to the present invention, can not slow down return to network coverage area in the case of, reduce electric quantity consumption, extend stand-by time.
Description
Technical field
The present invention relates to the communications fields, in particular to the searching method and device of a kind of network signal.
Background technique
Multi-mode dual-standby terminal in the related technology refers to that a terminal can possess multiple standards, such as: the whole world is mobile logical
Letter system (GSM), synchronous time division CDMA (TDS-CDMA), wideband code division multiple access (WCDMA), long term evolution (LTE), simultaneously
There are two radio frequencies independently to work, so that a terminal can send and/or receive simultaneously two kinds of different systems
Signal.User using mobile terminal when being communicated, the case where being frequently encountered no signal generation, i.e. coverage loss, example
Such as: elevator, the tunnel, high mountain covered into no signal.At this point, mobile terminal would generally continually search for available network, until
The available cell for being capable of providing normal service can be found.Currently, double-standby terminal in the market is mostly double-card dual-standby end
End, that is, exist simultaneously two radio frequencies and independently work, and logically, can be regarded as two mobile terminal splicings one
It rises, thus after coverage has been lost, respective overlay network is respectively periodically searched for, thus will lead to the double electricity of mobile terminal
Loss.
In the routine use of mobile terminal, usually following two the reason of coverage loss:
One of reason, signal are shielded, such as: enter elevator, drive to enter tunnel；
Reason two, operator be not laid with base station so that this area be not present the operator network signal.
And for double-standby terminal, above-mentioned two situations can be attributed to other two kinds of situations again:
One of situation, two kinds of equal no signals of standard；
Situation two, only one of standard have signal.
For the network of the two kinds of standards in the case where network signal coverage loss occurs of double-standby terminal in the related technology
Signal searches for respective overlay network respectively, leads to the problem that electric quantity consumption is excessive, not yet proposes solution at present.
Summary of the invention
The present invention provides a kind of searching method of network signal and devices, at least to solve double standby end in the related technology
End network signal of two kinds of standards in the case where network signal coverage loss occurs searches for respective overlay network respectively, causes
The excessive problem of electric quantity consumption.
According to an aspect of the invention, there is provided a kind of searching method of network signal.
The searching method of network signal of the invention comprises determining that coverage loss occurs for the first standard network signal；According to
The coverage condition of other standard network signals determines the way of search to network signal.
According to another aspect of the present invention, a kind of searcher of network signal is provided.
The searcher of network signal of the invention includes: the first determining module, for determining the first standard network signal
Coverage loss occurs；Second determining module, for being determined according to the coverage condition of other standard network signals to network signal
Way of search.
Using determining first standard network signal coverage loss occurs for embodiment through the invention；According to other standards
The coverage condition of network signal determines the way of search to network signal, it can by the first standard network signal and other standards
The current respective search situation of network signal is associated, in the case where coverage loss occurs for the first standard network signal, no longer
Using persistently being scanned for the network signal of the first standard in the related technology, but will be according to other standard network signals
Coverage condition passes through the first standard network signal and other in a manner of determining and next proceed to using which kind of search network signal
Network signal cooperates determining respectively blind to the way of search of network signal and two kinds of standard network signals in the related technology
The mode of mesh search overlay network is compared, and can reduce the consumption of electricity, the double-standby terminal thus solved in the related technology exists
The network signal of two kinds of standards searches for respective overlay network respectively in the case where generation network signal coverage loss, leads to electricity
Excessive problem is consumed, so that double-standby terminal when coverage loss occurs, can return to network coverage area not slowing down
Under situation, electric quantity consumption is reduced, extends stand-by time.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the searching method of network signal according to an embodiment of the present invention；
Fig. 2 is the flow chart of the searching method of network signal according to the preferred embodiment of the invention；
Fig. 3 is the structural block diagram of the searcher of network signal according to an embodiment of the present invention；
Fig. 4 is the structural block diagram of the searcher of network signal according to the preferred embodiment of the invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Fig. 1 is the flow chart of the searching method of network signal according to an embodiment of the present invention.As shown in Figure 1, this method can
To include following processing step:
Step S102: determine that coverage loss occurs for the first standard network signal；
Step S104: the way of search to network signal is determined according to the coverage condition of other standard network signals.
In the related technology, the network signal of double-standby terminal two kinds of standards in the case where network signal coverage loss occurs point
Respective overlay network is not searched for, causes electric quantity consumption excessive.Using method as shown in Figure 1, determine that the first standard network is believed
Number occur coverage loss；First standard network signal is scanned for；It is determined according to the coverage condition of other standard network signals
To the way of search of network signal, it can by the first standard network signal and the currently respective search of other standard network signals
Situation is associated, no longer persistently right using in the related technology in the case where coverage loss occurs for the first standard network signal
The network signal of first standard scans for, but will according to the coverage condition of other standard network signals with determine next after
Continue by the way of which kind of search network signal, passes through the first standard network signal and other network signals cooperate determining pair
The mode phase of the respective blind search overlay network of the way of search of network signal and two kinds of standard network signals in the related technology
Than the consumption of electricity can be reduced, and network signal coverage loss is occurring for the double-standby terminal thus solved in the related technology
In the case of the network signals of two kinds of standards search for respective overlay network respectively, lead to the problem that electric quantity consumption is excessive, and then make
Double-standby terminal when coverage loss occurs, can not slow down return to network coverage area in the case of, reduction electric quantity consumption, prolong
Long stand-by time.
Preferably, in step s 102, determining that coverage loss occurs for the first standard network signal may include following operation:
Step S1: judge whether current area meets resident condition；
Step S2: if it is not, then determining that in current area coverage loss occurs for the first standard network signal.
Preferably, in step S104, determine that way of search may comprise steps of according to coverage condition:
Step S3: judge whether other standard network signals occur coverage loss；
Step S4: if it is not, then continuing to scan for the first standard network signal；
Step S5: if it is, choosing one of net in the first standard network signal and other standard network signals
Network signal scans for.
In a preferred embodiment, if it is determined that coverage loss occurs for the first standard network signal, employed in the relevant technologies
Mode be not consider currently to continue to the first standard network signal the coverage condition of other standard network signals
Search；Similarly, if coverage loss occurs for other standard network signals, used mode is also not consider to work as in the related technology
The coverage condition of preceding first standard network signal and continue the search to other standard network signals.However, preferred at this
In technical solution provided by embodiment, if it have been determined that in the case that coverage loss occurs for the first standard network signal, that
It needs to judge the coverage condition of other standard network signals at this time, is lost if covering does not occur to other standard network signals
It loses, then continues to scan for the first standard network signal；If coverage loss equally occurs for other standard network signals,
One of network signal will be chosen in the first standard network signal and other standard network signals to scan for.
It preferably, can also include that following processing walks after one of network signal of selection scans in step S5
It is rapid:
Step S6: judge fail in current predetermined period to whether the network signal of selection is searched for；
Step S7: if it is, being successively alternately performed in subsequent multiple predetermined periods to except the network signal chosen
Except another network signal and selection network signal search, until to another network signal or selection
After network signal is searched for successfully, continuously the network signal of search failure is scanned for.
In a preferred embodiment, if coverage loss occurs for the first standard network signal and other standard network signals,
The side that so no longer will respectively be scanned for using the first standard network signal in the related technology with other standard network signals
Formula, but the search cycle that network signal is preset provided by the preferred embodiment is used, and first search week
First optional first standard network signal is scanned for one of other standard network signals network signal in phase, if the
At the end of one search cycle, search failure.So will successively it be alternately performed to first within next multiple search cycles
The search of standard network signal and other standard network signals.Such as: in first search cycle to the first standard network signal
It scans for, other standard network signals is scanned in second search cycle, made in the third search cycle to first
Formula network signal scans for, and scans in the 4th search cycle to other standard network signals, successively alternately back and forth holds
Row goes down, until searching to the first standard network signal with one of other standard network signals network signal in the n-th period
After Suo Chenggong, then only needing continuously to scan for the network signal of search failure within the subsequent search cycle.
Preferably, in step S3, before judging whether other standard network signals occur coverage loss, can also include with
Lower operation:
Step S8: the first standard network signal is scanned for.
In a preferred embodiment, if it have been determined that coverage loss occurs for the first standard network signal, then can first send out
Play the search to the first standard network signal.If it is only temporary coverage loss, such as: it is of short duration due to being occurred by tunnel
Coverage loss, at this point, by initiate one wheel or it is a few wheel overlay network search, can find and be capable of providing normal service
Cell, restore the network coverage.
Preferably, in step s 5, it is chosen in the first standard network signal and other standard network signals one of
Network signal at least one scans for including the following steps:
Step S9: if to the search of the first standard network signal failure and searching for other standard network signals,
Then stop the search to the first standard network signal, continues to scan for other standard network signals；
Step S10: if failing to the search of the first standard network signal and having searched other standard networks letter
Number, then after extending to the search cycle of the first standard network signal, continue to scan for the first standard network signal；
Step S11: if to the search of the first standard network signal success and searching for other standard network signals,
Then stop the search to the first standard network signal, continues to scan for other standard network signals；
Step S12: if the search searched for successfully and to other standard network signals to the first standard network signal
Failure, then continue to scan for other standard network signals.
In a preferred embodiment, if it have been determined that the search to the first standard network signal is successful, then not being at this time
Stop the search to the first standard network signal immediately, but also needs to judge the currently search feelings to other standard network signals
Condition.If the search success to other standard network signals, stops believing the first standard network signal and other standard networks
It number scans for；If not yet succeeding to the search of other standard network signals and currently carrying out believing other standard networks
Number search, then continue to scan for other standard network signals；If the search to other standard network signals fails, that
Also the search to other standard network signals will be continued to execute.
As a preferred embodiment of the present invention, double-standby terminal exists simultaneously two radio frequencies and independently works, respectively
Corresponding to the first standard network signal of search module S1 and search for the module S2 of other standard network signals；Periodically search
The timer T1 of the first standard network signal and timer T2 for periodically searching for other standard network signals, wherein setting
Most in short-term a length of T of T1 and T2；The first standard network signal of search or the counter of other standard network signals, meter are set
The numerical value of number device can indicate that initial default value is set as 0 using C.
In the case where S1 detects that current cell signal is unsatisfactory for resident condition, search the first standard network letter is initiated
Number.
After by a wheel first standard network signal of search, if S1, which is not found, is capable of providing the small of normal service
Area, then the numerical value of counter becomes C=C+1(initial default value and is set as 0) continuing the search of next round, and as C=5,
It is not further added by the numerical value of C then.It is respectively processed with specific reference to following scene:
If scene one, S2 are searching for other standard network signals, S1 stops search；
If coverage loss does not occur for scene two, S2, this scene shows that S1 search is believed less than the first standard network
It number may be caused by not setting up base station due to operator, then start timer T1, and set longest duration for the numerical value of T1
5T, S1 stop search；
If coverage loss equally occurs for scene three, S2, this scene shows that S2 has just stopped searching before S1
Rope can star timer T2 at this time if S2 not yet starts T2, and duration can be set to T*C, and S1 stops search.Cause
This, after coverage loss occurs for two kinds of standards, S1 and S2 can be alternately performed search.
Have as another preferred embodiment of the invention if S1 finds the cell for being capable of providing normal service
Body starts S2 according to following scene and searches for other standard network signals:
If scene one, S2 are searching for other standard network signals, S1 stops search；
If coverage loss does not occur for scene two, S2,0, S1 is set by the numerical value C of counter and is stopped search；
If scene three, S2 have occurred and that coverage loss, starting S2 search for other standard network signals, S1 stopping is searched
Rope.
Similarly, it in the case where S2 detects that current cell signal is unsatisfactory for resident condition, initiates to search for other standard nets
Network signal.After searching for other standard network signals by a wheel, entire process flow is identical as the treatment process of above-mentioned S1.
Above-mentioned preferred implementation process is further described below with reference to preferred embodiment shown in Fig. 2.
Fig. 2 is the flow chart of the searching method of network signal according to the preferred embodiment of the invention.As shown in Fig. 2, moving
Dynamic terminal detects resident condition is unable to satisfy for the network signal current area of any standard after, alternatively, periodically search
After the timer expiry of any standard network signal, the search of network signal is initiated.In the preferred embodiment, mobile terminal is same
When there are two radio frequencies independently to work, correspond respectively to search the first standard network signal module S1 and search for other
The module S2 of standard network signal；It periodically searches for the timer T1 of the first standard network signal and periodically searches for other systems
The timer T2 of formula network signal, wherein most in short-term a length of T of setting T1 and T2；Setting search the first standard network signal or
The numerical value of the counter of other standard network signals of person, counter can indicate that initial default value is set as 0 using C.Below
It is illustrated by taking S1 as an example, this method may include following processing step:
Step S202: when the S1 of mobile terminal detects that current area is unable to satisfy resident condition or timer T1 time-out
Later, the search to the first standard network signal is initiated, if searched for successfully, go to step S216；Otherwise, it continues to execute
Step S204；
Step S204: being arranged the numerical value C of counter, and initial default value is set as 0, and every wheel that passes through is to the first standard network
After the search of signal, if S1 does not find the cell for being capable of providing normal service, the numerical value of counter will be previous
Add 1 on the basis of secondary counting；If C less than 5, continues to execute step S206；Otherwise, go to step S208；
Step S206: numerical value C=C+1 of counter；
Step S208: judging whether S2 is searching for other standard network signals, if it is, S1 stops search；Otherwise,
Continue to execute step S210；
Step S210: judging whether S2 is in coverage loss state, if it is, the S214 that gos to step；Otherwise, continue
Execute step S212；
Step S212: the timer T1 of starting S1 module, and longest duration 5T is set by the numerical value of T1, it gos to step
S202；
Step S214: the timer T2 of starting S2 module, and C*T is set by the numerical value of T2, go to step S202；
Step S216: judging whether S2 is searching for other standard network signals, if so, S1 stops search；Otherwise, after
It is continuous to execute step S218；
Step S218: judging whether S2 is in coverage loss state, if so, continuing to execute step S220；Otherwise, S1 stops
Only search for；
Step S220: starting S2 searches for other standard network signals, and go to step S202.
In conclusion Multi-mode dual-standby terminal can use it by using the above-mentioned search to any standard network signal
In the search result of a standard network signal guide the search of another standard network signal, to efficiently avoid moving
Terminal occurs any standard network signal loss or two kinds of standard network signals while losing during long-time service
Afterwards, two kinds of standard network signals respectively constantly carry out periodic search process, reduce the consumption of electricity, extend movement
The stand-by time of terminal.
Fig. 3 is the structural block diagram of the searcher of network signal according to an embodiment of the present invention.As shown in figure 3, the network
The searcher of signal may include: the first determining module 10, for determining that coverage loss occurs for the first standard network signal；The
Two determining modules 20, for determining the way of search to network signal according to the coverage condition of other standard network signals.
Using device as shown in Figure 3, network signal coverage loss is occurring for the double-standby terminal solved in the related technology
In the case where the network signals of two kinds of standards search for respective overlay network respectively, lead to the problem that electric quantity consumption is excessive, in turn
So that double-standby terminal is when occurring coverage loss, can not slow down return to network coverage area in the case of, reduce electric quantity consumption,
Extend stand-by time.
Preferably, current for judging as shown in figure 4, the first determining module 10 may include: the first judging unit 100
Whether cell meets resident condition；Determination unit 102, for determining that the first standard network is believed when judging unit output is no
Number current area occur coverage loss.
Preferably, as shown in figure 4, the second determining module 20 may include: second judgment unit 200, for judging other
Whether standard network signal occurs coverage loss；First search unit 202, for continuing pair when judging unit output is no
First standard network signal scans for；Second search unit 204, when for exporting in judging unit to be, in the first standard
One of network signal is chosen in network signal and other standard network signals to scan for.
Preferably, as shown in figure 4, above-mentioned apparatus can also include: judgment module 30, for judging in current default week
Fail in phase to whether the network signal of selection is searched for；Execution module 40, when for exporting in judgment module to be, then subsequent
Multiple predetermined periods in be successively alternately performed in addition to the network signal of selection another network signal and selection
The search of network signal, until after the network signal to another network signal or selection is searched for successfully, continuously to search
The network signal of failure scans for.
Preferably, as shown in figure 4, above-mentioned apparatus can also include: search module 50；Search module 50, for first
Standard network signal scans for.
Preferably, the second search unit may include: the first processing subelement (not shown), if for first
The search of standard network signal fails and is searching for other standard network signals, then stops to the first standard network signal
Search, continues to scan for other standard network signals；Second processing subelement (not shown), if for first
The search of standard network signal fails and has searched other standard network signals, then is extending to the first standard network letter
Number search cycle after, continue to scan for the first standard network signal；Third handles subelement (not shown), uses
If in the search success to the first standard network signal and searching for other standard network signals, stop making to first
The search of formula network signal continues to scan for other standard network signals；Fourth process subelement (not shown) is used
If continued in searching for successfully and to the search of other standard network signals failure to the first standard network signal to it
He scans for standard network signal.
It can be seen from the above description that above example implements following technical effect (it should be noted that these
Effect is the effect that certain preferred embodiments can achieve): technical solution provided by the present invention solves in the related technology
Double-standby terminal network signal of two kinds of standards in the case where network signal coverage loss occurs searches for respective nerve of a covering respectively
Network leads to the problem that electric quantity consumption is excessive, so that double-standby terminal when coverage loss occurs, can return to net not slowing down
In the case of the network area of coverage, electric quantity consumption is reduced, extends stand-by time.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of searching method of network signal characterized by comprising
Determine that coverage loss occurs for the first standard network signal；
The way of search to network signal is determined according to the coverage condition of other standard network signals；
Wherein, determine that described search mode includes: to judge whether other described standard network signals are sent out according to the coverage condition
Raw coverage loss；If it is not, then continuing to scan for the first standard network signal；If it is, in first system
One of network signal is chosen in formula network signal and other described standard network signals to scan for.
2. the method according to claim 1, wherein determining that coverage loss occurs for the first standard network signal
Include:
Judge whether current area meets resident condition；
If it is not, then determining that in the current area coverage loss occurs for the first standard network signal.
3. the method according to claim 1, wherein after choosing one of network signal and scanning for,
Further include:
Judge fail in current predetermined period to whether the network signal of the selection is searched for；
If it is, being successively alternately performed in subsequent multiple predetermined periods in addition to the network signal of the selection
Another network signal and the selection network signal search, until to another network signal or institute
State selection network signal search for successfully after, continuously to search failure network signal scan for.
4. the method according to claim 1, wherein judging whether other described standard network signals cover
Before losing of cover, further includes:
The first standard network signal is scanned for.
5. according to the method described in claim 4, it is characterized in that, in the first standard network signal and other described standards
One of network signal is chosen in network signal to scan for including at least one of:
If failing to the search of the first standard network signal and searching for other described standard network signals, stop
Only to the search of the first standard network signal, continue to scan for other described standard network signals；
If to the search of the first standard network signal failure and having searched other described standard network signals,
After extending to the search cycle of the first standard network signal, continue to search the first standard network signal
Rope；
If succeeding to the search of the first standard network signal and searching for other described standard network signals, stop
Only to the search of the first standard network signal, continue to scan for other described standard network signals；
If to the first standard network signal search for successfully and to the search of other standard network signals fail,
Then continue to scan for other described standard network signals.
6. a kind of searcher of network signal characterized by comprising
First determining module, for determining that coverage loss occurs for the first standard network signal；
Second determining module, for determining the way of search to network signal according to the coverage condition of other standard network signals；
Wherein, second determining module includes: second judgment unit, for judging whether other described standard network signals are sent out
Raw coverage loss；First search unit, for continuing to believe the first standard network when judging unit output is no
It number scans for；Second search unit, for when judging unit output is is, in the first standard network signal and
One of network signal is chosen in other described standard network signals to scan for.
7. device according to claim 6, which is characterized in that first determining module includes:
First judging unit, for judging whether current area meets resident condition；
Determination unit, for determining the first standard network signal described current when judging unit output is no
Coverage loss occurs for cell.
8. device according to claim 6, which is characterized in that described device further include:
Judgment module, for judging fail in current predetermined period to whether the network signal of the selection is searched for；
Execution module, for when judgment module output is is, then successively being handed in subsequent multiple predetermined periods
Search for execution to the network signal of another network signal and the selection in addition to the network signal of the selection,
Until after the network signal to another network signal or the selection is searched for successfully, continuously to the net of search failure
Network signal scans for.
9. device according to claim 6, which is characterized in that described device further include: search module；
Described search module, for being scanned for the first standard network signal.
10. device according to claim 9, which is characterized in that second search unit includes:
First processing subelement, if for the search failure to the first standard network signal and searching for it is described its
His standard network signal then stops the search to the first standard network signal, continues to other described standard network signals
It scans for；
Second processing subelement, if for the search failure to the first standard network signal and searched described
Other standard network signals continue then after extending to the search cycle of the first standard network signal to described first
Standard network signal scans for；
Third handles subelement, if for the search success to the first standard network signal and searching for it is described its
His standard network signal then stops the search to the first standard network signal, continues to other described standard network signals
It scans for；
Fourth process subelement, if for the search success to the first standard network signal and to other described standards
The search of network signal fails, then continues to scan for other described standard network signals.
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| CN111034274B (en) * | 2018-04-04 | 2022-08-09 | 华为技术有限公司 | Method for searching network by terminal, terminal and storage medium |
| CN110191477B (en) * | 2019-04-18 | 2022-06-10 | 深圳市安腾达科技有限公司 | Network search control method, terminal and computer readable storage medium |
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| CN1523919A (en) * | 2002-11-19 | 2004-08-25 | 日本电气株式会社 | Cellular network acquisition method and apparatus |
| CN101345926A (en) * | 2008-08-25 | 2009-01-14 | 中兴通讯股份有限公司 | Interaction method and system for mobile terminal and WiMAX base station, mobile terminal |
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| US8805364B2 (en) * | 2009-05-22 | 2014-08-12 | Verizon Patent And Licensing Inc. | User equipment attachment/detachment from a long term evolution (LTE) network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1523919A (en) * | 2002-11-19 | 2004-08-25 | 日本电气株式会社 | Cellular network acquisition method and apparatus |
| CN101345926A (en) * | 2008-08-25 | 2009-01-14 | 中兴通讯股份有限公司 | Interaction method and system for mobile terminal and WiMAX base station, mobile terminal |
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