CN104469897A - Network priority search method for mobile terminal - Google Patents

Network priority search method for mobile terminal Download PDF

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Publication number
CN104469897A
CN104469897A CN201410769269.6A CN201410769269A CN104469897A CN 104469897 A CN104469897 A CN 104469897A CN 201410769269 A CN201410769269 A CN 201410769269A CN 104469897 A CN104469897 A CN 104469897A
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China
Prior art keywords
mobile terminal
information
operator
frequency band
control information
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Application number
CN201410769269.6A
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Chinese (zh)
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CN104469897B (en
Inventor
朵灏
果敢
魏然
刘臻
来志京
聂蔚青
刘笛
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China Academy of Information and Communications Technology CAICT
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Research Institute of Telecommunications Transmission Ministry of Industry and Information Technology
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Priority to CN201410769269.6A priority Critical patent/CN104469897B/en
Publication of CN104469897A publication Critical patent/CN104469897A/en
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Publication of CN104469897B publication Critical patent/CN104469897B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information

Abstract

The invention discloses a network priority search method for a mobile terminal. The method includes the steps that step1, the mobile terminal reads stored operator access information and frequency band priority control information, if the information is empty, step 2 is executed, and if the information is not empty, step 4 is executed; step 2, the mobile terminal conducts network search according to the default information, initiates a cell residence process and uploads related information identification with empty content; step 3, the mobile terminal receives updated information issued by an operator server and finishes the cell residence process; step 4, the mobile terminal conducts network search according to the stored information, initiates the cell residence process and uploads the related information identification, and the operator server judges whether information needs to be updated or not; if yes, the mobile terminal receives the updated information issued by the operator server and finishes the cell residence process; if not, the mobile terminal receives the empty information issued by the operator server and finishes the cell residence process.

Description

A kind of method of search by mobile terminal network priority
Technical field
The application relates to communication technical field, particularly a kind of method of search by mobile terminal network priority.
Background technology
Long Term Evolution (Long Term Evolution, LTE) project is the evolution of 3G, it is a transition between 3G and 4G technology, it improves and enhances 3G air interface, it adopts the advanced technologies such as OFDM and MIMO, improve user and upload download peak rate, effectively improve the performance of Cell Edge User, improve cell capacity and reduce system delay.
At present, the advantage of LTE technology causes domestic and international Ge great operator extensive concern, and the numerous and confused huge fund that drops into develops LTE network, and LTE industry is developed rapidly.Whole world LTE network operation is mainly divided into the mono-net of LTE FDD, the mono-net of TD-LTE, TD-LTE and LTE FDD bimodulus net three kinds of operation modes technically; Up to now, global LTE institute frequency of utilization LTE FDD has 28 frequency ranges, and TD-LTE has 12 frequency ranges.Meanwhile, within a period of time, LTE network still cannot reach the whole network covering, network coexisted together with existing 3G and 2G, makes same operator run the wireless network of multiple types simultaneously.
But, complicated and diversified access technology and various frequency range propose new challenge for network by mobile terminal, frequency search, if the design of terminal network search strategy is unreasonable, greatly will increase mobile terminal network search time, delay terminal carry out network insertion and community resident.
In prior art, terminal is by Information Processing Network search priority limited in subscriber card.These information only comprise access technology information, do not comprise the band information that access technology is corresponding, and in card, information even cannot distinguish LTE FDD and TD-LTE priority orders.Residue processed will be realized by mobile terminal self, and be fixed configurations, the difference of the operator that can not belong to subscriber card and adaptively changing.
Summary of the invention
Due to existing method in web search priority when processing, network, frequency search priority are correlated with necessary information disappearance, thus make mobile terminal network elongated for search time, can the experience of extreme influence user.
The present invention is directed to the problems referred to above, propose a kind of method of search by mobile terminal network priority, mobile terminal is after start is resident, operator is by information mode of eating dishes without rice or wine, the access technology expected is selected and frequency band preference information sends to mobile terminal, and the information received is stored in terminal or subscriber card (comprising SIM card and usim card etc.) by mobile terminal.When subsequent movement terminal carries out frequency band search and network selects, the priority orders according to this information table performed, search strategy definitely, shortens mobile terminal and searches the net time, improve the experience of user.
For achieving the above object, the invention discloses a kind of method of search by mobile terminal network priority, comprise: step 1, mobile terminal reads the operator's access information and frequency band preference control information that store, if operator's access information of described storage and frequency band preference control information are empty, perform step 2, if be not empty, perform step 4; Step 2, described mobile terminal carries out web search according to the operator's access information given tacit consent to and frequency band preference control information, initiates resident process to community, and upload contents is that the relevant information mark of sky is to carrier server; Step 3, it is that empty relevant information identifies the operator's access information after the renewal issued and frequency band preference control information that described mobile terminal receives carrier server according to described content, and it is resident to complete in described community; Step 4, described mobile terminal carries out web search according to the operator's access information stored and frequency band preference control information, resident process is initiated to community, and upload relevant information mark to carrier server, described carrier server judges whether according to relevant information mark the operator's access information and the frequency band preference control information that need renewal storage, if need to upgrade and perform step 5, perform step 6 if do not need to upgrade; Step 5, described mobile terminal receives the operator's access information after the renewal that carrier server issues and frequency band preference control information, and it is resident to complete in described community; Step 6, described mobile terminal receives the empty information that carrier server issues, and it is resident to complete in described community.
The method of the search by mobile terminal network priority that the present invention proposes carries out search network by selecting access technology and frequency range thereof, and obtain the access technology after upgrading and frequency band preference control information by operator, thus make mobile terminal follow-up carry out frequency band search and network select time, priority orders according to this information table is performed, search strategy definitely, shorten mobile terminal and search the net time, improve the experience of user.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of the search by mobile terminal network priority of one embodiment of the invention.
Fig. 2 is the method flow diagram of the search by mobile terminal network priority of the present invention one specific embodiment.
Embodiment
Below coordinating preferred embodiment graphic and of the present invention, setting forth the technological means that the present invention takes for reaching predetermined goal of the invention further.
Fig. 1 is the method flow diagram of the search by mobile terminal network priority of one embodiment of the invention, and as shown in Figure 1, the method comprises:
Step 1, mobile terminal reads the operator's access information and frequency band preference control information that store, if the operator's access information stored and frequency band preference control information are empty, performs step 2, if be not empty, performs step 4;
Step 2, mobile terminal carries out web search according to the operator's access information given tacit consent to and frequency band preference control information, initiates resident process to community, and upload contents is that the relevant information mark of sky is to carrier server;
Wherein, when web search, mobile terminal to search community, when searching applicable resident community, namely initiates resident process, if do not searched, mobile terminal stops search and enters limited-service or without network state.
Step 3, it is that empty relevant information identifies the operator's access information after the renewal issued and frequency band preference control information that mobile terminal receives carrier server according to content, and it is resident to complete in community;
Step 4, mobile terminal carries out web search according to the operator's access information stored and frequency band preference control information, resident process is initiated to community, and upload relevant information mark to carrier server, carrier server judges whether according to relevant information mark the operator's access information and the frequency band preference control information that need renewal storage, if need to upgrade and perform step 5, perform step 6 if do not need to upgrade;
Step 5, mobile terminal receives the operator's access information after the renewal that issues of carrier server and frequency band preference control information, and it is resident to complete in community;
Step 6, mobile terminal receives the empty information that issues of carrier server, and it is resident to complete in community.
In the step 1-6 of the present embodiment, operator's access information of storage and frequency band preference control information, upgrade after operator's access information and frequency band preference control information be stored in the list storage area of mobile terminal or in subscriber card.
In the step 2 of the present embodiment, operator's access information and the frequency band preference control information of acquiescence are stored in the list storage area of mobile terminal.
In the step 3,5,6 of the present embodiment, carrier server issues the operator's access information after renewal and up-to-date frequency band preference control information to mobile terminal by eat dishes without rice or wine instruction or the information of eating dishes without rice or wine.
In the step 3 of the present embodiment, relevant information mark comprises: the operator's access information once accessed before mobile terminal, time and position.
In the step 4 of the present embodiment, carrier server is according to the operator's access information once accessed before mobile terminal, time and position, compare with up-to-date operator's access information and frequency band preference control information, judge whether according to comparison result the operator's access information and the frequency band preference control information that need renewal storage.
In order to more clearly explain the method for above-mentioned search by mobile terminal network priority, be described below in conjunction with a specific embodiment, but it should be noted that this embodiment is only to better the present invention is described, do not form and the present invention is limited improperly.
The method of the search by mobile terminal network priority proposed in the embodiment of the present invention, can support multiband, multiple wireless access technology mobile terminal carries out the control that accesses in common overlay network.Mobile terminal is after start is resident, operator is by information mode of eating dishes without rice or wine, the access technology expected is selected and frequency band preference information sends to mobile terminal, and the information received is stored in list storage area or the subscriber card (comprising SIM card and usim card etc.) of mobile terminal by mobile terminal.When subsequent movement terminal carries out frequency band search and network selects, the priority orders according to this information table is performed.When user changes subscriber card (comprising SIM card and usim card etc.) or on-position changes, operator can re-issue corresponding information table according to migration efficiency, mobile terminal can delete original information table, preserves up-to-date access technology and selects and frequency band preference information.
Fig. 2 is the method flow diagram of the search by mobile terminal network priority of the present invention one specific embodiment, and as shown in Figure 2, concrete steps are as follows:
Step S101, mobile terminal-opening,
Step S102, in its Automatic inquirying mobile terminal or the access technology stored in subscriber card and frequency band preference list (i.e. operator's access information and frequency band preference control information), listings format is as shown in table 1:
Table 1
Priority orders Access technology Frequency range
…… …… ……
If this list is empty, perform step S103; If this list is not empty, perform step S104;
Step S103, when list is empty, default priority order set by producer during product export is carried out network and frequency band search (when searching this wireless access signal by mobile terminal, carry out cell downlink signal synchronous, as frame synchronization etc., read the system message of community, system message comprises community ID, PLMN ID, bit, cell signal strength etc.Here step is existing in the prior art to be realized, and is no longer described in detail here), if search applicable resident community, namely attempt initiating access, complete registration, then perform step S105; If search for complete discovery be anyly applicable to resident community, terminal will enter limited-service or without network state.
Step S104, when access technology and frequency band preference list are not empty, such as, access technology and the frequency band preference list of terminal storage are as shown in table 2:
Table 2
Priority orders Access technology Frequency range
1 TD-LTE 38
2 39
3 LTE FDD 3
4 1
5 7
6 TD-SCDMA 34
7 39
8 WCDMA 2
9 5
10 GSM 3
11 2
First mobile terminal according to the order of priority list, should start the search of band38TD-LTE community.If search applicable resident community, namely attempt initiating access and complete registration, then perform step S105.
If do not find applicable resident community on band38, the search that mobile terminal will start band39TD-LTE community.If search applicable resident community, namely attempt initiating access and complete registration, then perform step S105.
If do not found yet and suitable community, mobile terminal will start the search of band3LTE FDD community, successively down, until all attempt complete by access standard listed in priority list and frequency range.
If do not found yet and suitable community, terminal by it is supported but list does not comprise other access technologies and frequency range is searched for, if search applicable resident community, namely attempt initiate access complete registration, then perform step S105.If do not found yet and suitable community, terminal will enter limited-service or without network state.
Step S105, mobile terminal complete community resident after, by PLMN (the RPLMN)+access technology of institute's access network before reporting shut down last time by idle message to carrier server immediately+last in information such as net times, concrete form is as shown in table 3:
Table 3
MCC MNC Access technology Year Month Day
…… …… …… …… …… ……
If related information content is empty, perform step S106, if when relevant information be empty entirely (that is, have before the information of access network), execution step S107.
Step S106, when related information content is empty, content is that sky is partially filled 0 by mobile terminal by the information format by such as table 3, this information is sent to carrier server, then performs step S108;
Step S107, when relevant information is not empty entirely, the form according to table 4 is sent relevant information to carrier server by mobile terminal, then performs step S108;
Table 4
MCC MNC Access technology Year Month Day
460 02 TD-LTE 2014 5 22
Step S108, carrier server, according to the network number of terminal to report, access technology and time, judges whether the access technology and the priority list that need more new terminal.If need to upgrade, perform step S109, if do not need to upgrade, perform step S110.
Step S109, carrier server issues new access technology and frequency band preference list, such as, shown in table 5 to mobile terminal:
Table 5
Priority orders Access technology Frequency range
1 LTE FDD 3
2 1
3 7
4 TD-LTE 39
5 TD-SCDMA 34
6 39
7 WCDMA 2
8 5
9 GSM 3
10 2
Mobile terminal empties access technology and the frequency band preference list of original storage, and the access technology this received and frequency band preference list store, and carry out web search for next time.
Step S110, network issues access technology into sky and frequency band preference list to mobile terminal, such as:
Priority orders Access technology Frequency range
1 0 0
Continuation is preserved original access technology and frequency band preference list by mobile terminal, carries out web search for next time.
The method of the search by mobile terminal network priority that the present invention proposes carries out search network by selecting access technology and frequency range thereof, and obtain the access technology after upgrading and frequency band preference control information by operator, thus make mobile terminal follow-up carry out frequency band search and network select time, priority orders according to this information table is performed, search strategy definitely, shorten mobile terminal and search the net time, improve the experience of user.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. a method for search by mobile terminal network priority, is characterized in that, comprising:
Step 1, mobile terminal reads the operator's access information and frequency band preference control information that store, if operator's access information of described storage and frequency band preference control information are empty, performs step 2, if be not empty, performs step 4;
Step 2, described mobile terminal carries out web search according to the operator's access information given tacit consent to and frequency band preference control information, initiates resident process to community, and upload contents is that the relevant information mark of sky is to carrier server;
Step 3, it is that empty relevant information identifies the operator's access information after the renewal issued and frequency band preference control information that described mobile terminal receives carrier server according to described content, and it is resident to complete in described community;
Step 4, described mobile terminal carries out web search according to the operator's access information stored and frequency band preference control information, resident process is initiated to community, and upload relevant information mark to carrier server, described carrier server judges whether according to relevant information mark the operator's access information and the frequency band preference control information that need renewal storage, if need to upgrade and perform step 5, perform step 6 if do not need to upgrade;
Step 5, described mobile terminal receives the operator's access information after the renewal that carrier server issues and frequency band preference control information, and it is resident to complete in described community;
Step 6, described mobile terminal receives the empty information that carrier server issues, and it is resident to complete in described community.
2. method according to claim 1, it is characterized in that, in step 1-6, operator's access information of described storage and frequency band preference control information, upgrade after operator's access information and frequency band preference control information be stored in the list storage area of described mobile terminal or in subscriber card.
3. method according to claim 1, is characterized in that, in step 2, operator's access information and the frequency band preference control information of described acquiescence are stored in the list storage area of described mobile terminal.
4. method according to claim 1, is characterized in that, in step 3,5,6, described carrier server issues the operator's access information after renewal and up-to-date frequency band preference control information to mobile terminal by eat dishes without rice or wine instruction or the information of eating dishes without rice or wine.
5. method according to claim 1, is characterized in that, in step 3, described relevant information mark comprises: the operator's access information once accessed before mobile terminal, time and position.
6. method according to claim 5, it is characterized in that, in step 4, described carrier server is according to the operator's access information once accessed before described mobile terminal, time and position, compare with up-to-date operator's access information and frequency band preference control information, judge whether according to described comparison result the operator's access information and the frequency band preference control information that need renewal storage.
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CN114501588A (en) * 2020-11-12 2022-05-13 中国联合网络通信集团有限公司 Cell access method and user terminal

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