CN104349420B - Communication terminal and its method and apparatus for receiving system information - Google Patents
Communication terminal and its method and apparatus for receiving system information Download PDFInfo
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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
A kind of communication terminal and its method and apparatus for receiving system information, the method that the communication terminal receives system information include：After the completion of broadcast channel configuration, corresponding scheduling information is obtained according to demand of the communication terminal under current application state to system information；Corresponding required system information is received according to the scheduling information.Technical solution of the present invention can improve communication terminal and save communications terminal software, hardware resource for the receiving efficiency of system information, and reduce the power consumption of receive process.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of communication terminal and its methods and dress of reception system information
It sets.
Background technique
In Universal Mobile Communication System（UMTS, Universal Mobile Telecommunications System）
In, after communication terminal booting, progress cell searching first begins to read the cell after it searches out a suitable cell
Broadcast channel（BCH, Broadcast Channel）To obtain corresponding system information, such as related common signal channel, position area,
The parameters such as cell selection, cell reselection.According to these parameters, communication terminal can just establish connection with base station, complete communication.Cause
The reception of this system information is to influence a key factor of communication terminal performance.
System information can be divided into different block of information according to the difference of its content, in order to make it accurately and efficiently in nothing
Line is sent on receiving, it is necessary to reasonably be dispatched to it, for example, block of information is segmented or is concatenated into properly on BCH
The format and length of transmission.Block of information as defined in 3GPP standard, including Master Information Block（MIB, Master Information
Blocks）, system information block（SIB, System Information Blocks）And Scheduling Block（SB, Scheduling
Blocks）.Wherein, MIB mainly includes the public land mobile network of network（PLMN, Public Land Mobile
Network）The scheduling information of information and SIB, it is also possible to the scheduling information comprising one or two SB；Comprising not having in MIB in SB
There is the scheduling information of the SIB provided；It then include the parameter of specific system information in SIB.Between above-mentioned MIB, SB and SIB
Relationship can refer to tree graph shown in FIG. 1.It should be noted that the scheduling information of any one SIB may only be included in a ground
Side, i.e., in MIB or in SB.
Specifically, communication terminal is first according to the scheduling information of MIB from broadcast channel after the completion of the configuration of broadcast channel
Parse MIB.The information for including in MIB after parsing has：MIB value label, the PLMN type of support, PLMN mark, SIB tune
Information is spent, there may also be the scheduling information of Scheduling Block SB1 and/or SB2 sometimes.Wherein the scheduling information of SIB or SB mainly includes
Location parameter, block number parameter, cycle period parameter etc., by these parameter communication terminals can receive corresponding SIB or
Person SB.Due to include in SB be still SIB scheduling information, also further to be parsed from SB after communication terminal receives SB
Then the scheduling information of SIB wherein included out receives its corresponding SIB based on this scheduling information again.
In the prior art, above-mentioned system information is cycled through in broadcast channel, and communication terminal can be according to above-mentioned
Process continuously receive and store these SIB, then extracted from the SIB of storage the SIB currently needed come using.Such as when logical
Letter terminal just extracts SIB3 from the SIB of preservation when carrying out cell reselection, when communication terminal will carry out nearby region measurement just from
SIB11 is extracted in the SIB of preservation.But those skilled in the art do not consider this continuous reception system letter in the prior art
The method of breath, receive process can occupy more software and hardware resource, and receiving efficiency is low, power consumption is big.
The relevant technologies can refer to the U.S. Patent application of Publication No. US2011019615A1.
Summary of the invention
Waste of resource, power consumption are big when receiving system information the invention solves communication terminal in the prior art, receive effect
The low problem of rate.
To solve the above problems, technical solution of the present invention provides a kind of method that communication terminal receives system information, including：
After the completion of broadcast channel configuration, corresponding tune is obtained according to demand of the communication terminal under current application state to system information
Spend information；Corresponding required system information is received according to the scheduling information.
Optionally, the method for the communication terminal reception system information further includes：
Scheduling information table is established, the scheduling information table is suitable for dispatching letter based on system information needed for storage receives
Breath；
Reception result based on required system information updates the scheduling information table.
Optionally, the reception result update scheduling information table based on required system information includes：Needed for judgement
Whether the reception of system information is correct, is, stores the system information, and deletes the system information pair in the scheduling information table
Otherwise the scheduling information answered updates the corresponding scheduling information of the system information in the scheduling information table.
Optionally, the corresponding scheduling information of the system information includes in the update scheduling information table：Instruction is existed
The current scheduling information for receiving the reception system information in the period replaces with instruction and receives the system within next reception period
The scheduling information of information.
Optionally, after deleting the scheduling information in the scheduling information table every time, judge in the scheduling information table whether
It is then to continue to receive corresponding required system information according to the scheduling information in the scheduling information table there is also scheduling information,
Otherwise the reception of ends with system information.
Optionally, required system information include at least Master Information Block, it is described according to communication terminal under current application state
Demand to system information obtains corresponding scheduling information：Configuration based on broadcast channel obtains the Master Information Block pair
The scheduling information answered.
Optionally, required system information further includes the system information block of at least one type, described to be existed according to communication terminal
Demand under current application state to system information obtains corresponding scheduling information：It is obtained by parsing the Master Information Block
Take the corresponding scheduling information of required system information block.
Optionally, the reception result update scheduling information table based on required system information includes：If receiving
Master Information Block in also include Scheduling Block scheduling information, and the Scheduling Block include required system information block scheduling letter
Breath, then be added to the scheduling information table for the scheduling information of the Scheduling Block, and with wherein after receiving the Scheduling Block
The scheduling information for the required system information block for including replaces the scheduling information of the Scheduling Block.
Optionally, the method for the communication terminal reception system information further includes：It sends in the broadcast channel and does not belong to
Execute avoiding operation during required system information, the avoiding operation refer to that the communication terminal executes except receiving needed for
Other operations other than system information.
Optionally, the avoiding operation includes entering sleep, cell selection, web search, frequency point measurement and the operation of different card
At least one of.
Optionally, the method for the communication terminal reception system information further includes：It is properly received according to the scheduling information
After complete institute's received system information in need, the configuration of broadcast channel is discharged.
Optionally, the method for the communication terminal reception system information further includes：If the current application of the communication terminal
State changes, then the corresponding scheduling of required system information under the application state after reconfiguring broadcast channel and being changed
Information.
Optionally, the communication pattern of the communication terminal is WCDMA, TD-SCDMA or LTE.
To solve the above problems, technical solution of the present invention additionally provides a kind of device of communication terminal reception system information,
Including：
Acquiring unit is used for after the completion of broadcast channel configuration, according to communication terminal to system under current application state
The demand of information obtains corresponding scheduling information；
Receiving unit, for receiving corresponding required system information according to the scheduling information.
Optionally, the device of the communication terminal reception system information further includes：
Creating unit, for establishing scheduling information table, the scheduling information table receives required system information institute for storing
The scheduling information of foundation；
Updating unit updates the scheduling information table for the reception result based on required system information.
Optionally, it further includes evacuation unit that the communication terminal, which receives the device of system information, for believing in the broadcast
It is sent in road and is not belonging to execute avoiding operation during required system information, the avoiding operation refers to that the communication terminal executes
Other operations in addition to the system information for receiving the needs.
Optionally, the avoiding operation includes entering sleep, cell selection, web search, frequency point measurement and the operation of different card
At least one of.
Optionally, the device that the communication terminal receives system information further includes releasing unit, for single in the reception
After member has been properly received institute's received system information in need according to the scheduling information, the configuration of broadcast channel is discharged.
Optionally, the device that the communication terminal receives system information further includes control unit, for working as the communication eventually
When the current application state at end changes, control reconfigures broadcast channel, and after being changed by the acquiring unit
The corresponding scheduling information of required system information under application state.
Optionally, the communication pattern of the communication terminal is WCDMA, TD-SCDMA or LTE.
To solve the above problems, technical solution of the present invention additionally provides a kind of communication terminal, including above-mentioned communication terminal connects
Receive the device of system information.
Compared with prior art, technical solution of the present invention has the following advantages that：
Corresponding scheduling information is obtained according to the demand under current application state to system information, and according to the scheduling information
Required system information is received, it is thus achieved that the not timing to system information receives on demand, so as to improve system letter
The receiving efficiency of breath, reduces the occupancy of software resource, hardware resource in receive process, and reduces communication terminal in reception system
The power consumption of information process.
Scheduling information table is established to the demand of system information according under current application state, and is carried out according to scheduling information table
The reception of system information and the update of scheduling information table update corresponding system information in scheduling information table when receiving mistake
Scheduling information perhaps deletes in scheduling information table the scheduling information of corresponding system information or by Scheduling Block when receiving correct
In scheduling information be added in scheduling information table, both ensure that receive system information accuracy, in turn ensure to identical
System information will not repeat to receive, and improve the efficiency of System Information reception.
Communication terminal can be not belonging to execute avoiding operation, energy in the sending time of required system information in broadcast channel
It saves energy for the communication terminal under standby mode, is that the communication terminal under connection mode increases measurement capability, reduces frequency point friendship
Mutual conflict, or be the multi-card communication terminal reserved time for executing different card operation.
Detailed description of the invention
Fig. 1 is the relational tree schematic diagram in 3GPP standard between MIB, SB, SIB；
Fig. 2 is the flow diagram that the communication terminal of the embodiment of the present invention one receives the method for system information；
Fig. 3 is the implementation process diagram of step S12 in embodiment one；
Fig. 4 is the implementation process diagram of the step S12 in the embodiment of the present invention two.
Specific embodiment
As stated in the background art, system information is a kind of letter issued from mobile network to communication terminal with the forms of broadcasting
Breath, it inform the related common signal channel of all communication terminals in affiliated area, position area, cell selection, cell reselection, it is related periodically
The relevant parameter of device or counter is that net is searched in communication terminal completion, cell is resident, the important evidence of cell reselection.When reception, lead to
Letter terminal obtains MIB according to the scheduling information of MIB first from broadcast channel, then obtains part SIB's from MIB parsing again
Then scheduling information goes to receive corresponding SIB according to these scheduling informations.If also obtaining SB from MIB, then just further
The scheduling information of other SIB is obtained from SB again, and receives corresponding SIB according to these scheduling informations.
In the prior art, in order to it is accurate, completely receive system information, communication terminal can continuously receive these and broadcast
It is repeated cyclically the system information of transmission on channel, and they are saved, is used when needed for communication terminal.But the prior art
In, those skilled in the art do not consider under the current application model of communication terminal, have week in system information transmission process
Phase property repeats the characteristics of sending, to carry out duplicate reception to same system information.That is, believing same system
Breath will be completed once in each sending cycle from the scheduling information for obtaining MIB in BCH, obtaining SIB from MIB, again foundation
The process that the scheduling information of SIB reads SIB, finally obtains design parameter in SIB.And when communication terminal is in certain application state
When lower（Such as it is standby, search net etc.）, these specific parameters are fixed and invariable, and which results in communication terminals to waste greatly
The system resource of amount carries out repeating reception.In addition, not provided under each application state in agreement, such as cell selection, net
Network search etc., the demand to system information.And in fact, when communication terminal is under certain application state, for broadcasting
The system information sent is repeated on channel, is not also whole needs, but needs part therein can.For example, right
In the communication terminal of FDD-WCDMA, when searching net state, it is only necessary to receive MIB, in cell resident state, then only need
Want MIB, SIB1, SIB3, SIB5, SIB7 and SIB11.And communication terminal can be all by what is sent in broadcast channel in the prior art
System information all receives, that is to say, that communication terminal wastes certain hardware and software resource and has received part current
Unwanted system information under application state.Above-mentioned both of these case has resulted in communication terminal money when receiving system information
Source waste, power consumption increase, receiving efficiency declines.
To solve the above problems, technical solution of the present invention proposes a kind of discrete method for receiving system information：?
After the completion of broadcast channel configuration, corresponding scheduling is obtained according to demand of the communication terminal under current application state to system information
Information receives corresponding required system information according still further to acquired scheduling information.With the continuous received method of the prior art
Difference, the technical program are completed to match and be postponed in broadcast channel, and communication terminal is according to what current application state determined needs first
System information, it is then discrete, non-repetitive according to the scheduling information of these system informations that the system for receiving these needs is gone to believe
Breath, had not only been able to satisfy communication terminal under current state to the demand of system information in this way, but also reduced and provide to communication terminal hardware
Source, software resource load, improve the efficiency of System Information reception, also reduce the power consumption of communication terminal.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing, with FDD-
Technical solution of the present invention is described in detail for WCDMA system.
Embodiment one
As shown in Fig. 2, the flow diagram of the method for the communication terminal reception system information of the present embodiment, including：
Step S10：BCH completes configuration.When communication terminal is switched to another application state from a kind of application state,
Changes will occur for the configuration of BCH.And system information is communication terminal to be sent in BCH, therefore believe in the system of reception
When breath, the configuration of BCH, such as sending time slots, transmission format should be completed first.Specific configuration process is art technology
Well known to personnel, details are not described herein again.Then step S11 is executed.
Step S11：Communication terminal is obtained under current application state to the demand of system information.System as defined in 3GPP standard
System information, as shown in table 1.For different communication patterns, is defined in agreement and need which system information used.For example, right
In the Frequency Division Duplex-Wideband CDMA of the present embodiment（FDD-WCDMA, Wideband Code Division Multiple
Access）For system, agreement regulation wouldn't use SIB15/SIB15.x, SIB16 therein.In other embodiments, for
The communication system of other standards, agreement can also have corresponding regulation to the system information used, such as more to time division synchronous code division
Location（TD-SCDMA, Time Division-Synchronous Code Division Multiple Access）System come
It says, does not then use SIB8, SIB9, SIB10, SIB13 and SIB14 therein.The communication system of other standards, in corresponding agreement
Also have clearly stipulate that being not repeated herein.
Table 1
It has been mentioned hereinbefore that when communication terminal is under certain application state, it is only necessary to the part system letter sent in BCH
Breath, can be without receiving to unwanted system information.Therefore, communication terminal will be determining pair first according to current application state
The demand of system information, the current application state i.e. communication terminal complete the BCH in step S10 match postpone it is locating
Application state, such as search net state, cell resident state, connection status, system information and update.When communication terminal is in above-mentioned
When a kind of application state, the demand to system information is fixed, and table 2 show the communication terminal application common in these types
To the demand of system information when state：
Table 2
It is to be appreciated that required system information demand is for MIB and specifically when application state is that system information updates
SIB, wherein the system information that can update according to specific needs of specific SIB come determine be which SIB combination.
Step S12：Corresponding scheduling information is obtained, receives corresponding required system letter according to the corresponding scheduling information
Breath.It, can be to the system information that these are needed after having determined communication terminal under current application state to the demand of system information
It is received.Front it is stated that the effect of scheduling information is exactly the reception position for indicating corresponding system information in BCH,
Therefore it first to obtain to the corresponding scheduling information of the demand of system information under current application state, then according to these scheduling informations
It is received accordingly.
Step S13：Discharge BCH configuration.When communication terminal finishes System Information reception all under current application state
Afterwards, so that it may discharge the configuration of BCH.When the application state of communication terminal changes, communication network can pass through paging message
Or state change instruction message notifies communication terminal, and BCH can be reconfigured at this time, then again since step S11, root
Corresponding scheduling information is obtained according to the demand under new application state to system information, and is received accordingly according to the scheduling information
Required system information.
Wherein, step S12 implementation procedure can be as shown in figure 3, specifically include：
Step S1201：Establish scheduling information table.The scheduling information table receives required system information institute foundation for storing
Scheduling information.Specifically, scheduling information includes repetition period, segments, initial position and the positional shift of the system information,
Scheduling information table to initially set up as shown in table 3.
Table 3
| System information | Segments | Repetition period | Initial position | Positional shift |
| MIB | 1 | 8 | 0 | |
| SB1 | ||||
| SIB3 | ||||
| SIB5 | ||||
| SIB7 | ||||
| SIB11 |
Wherein, one column of system information is used to store specific system information, such as MIB, SB or SIB.One column of repetition period
The data being used to store are used to refer to corresponding system information and repeat how many a physical frames appearance once；When in two physical frames
When cannot complete the transmission of the system information（The Transmission Time Interval of BCH（TTI, Transmission Time Interval）
It include two physical frames for 20ms）, which will be divided into multiple portions and be sent, the storage of one column of segments
Data are used to refer to corresponding system information and are divided into several segmentations transmissions；The data of one column of initial position storage are used to refer to
Show the System Frame Number of the position where system information or the position where the first segmentation is how many；The storage of one column of positional shift
When data then indicate that the system message has multistage, the next section of offset relative to the preceding paragraph.In the above parameter, the repetition period is risen
Beginning position indicates that the unit of positional shift is physical frame with System Frame Number.For the WCDMA system of FDD, the scheduling of MIB
Information can be obtained based on the configuration of broadcast channel, and be fixed as repetition period=8, initial position=0, indicate every 8 physical frames of MIB
It repeats to send primary, initial frame number 0, and is not segmented transmission.Therefore, direct available MIB after the completion of BCH channel configuration
Scheduling information, therefore can directly insert in initial scheduling information table.And the scheduling information of SIB, then need communication terminal
Scheduling information according to MIB could obtain after MIB is properly received and is parsed.The present embodiment is resident in cell with communication terminal
For when state, referring to table 2, the system information that communication terminal needs includes MIB, SIB1, SIB3, SIB5, SIB7 and SIB11,
Therefore initial scheduling information table as shown in table 3 is obtained.Wherein, the scheduling information of SIB1 is included in SB1, therefore just
Establish vertical scheduling information table when, can first save the scheduling information of SB1.Then, communication terminal is according to MIB in scheduling information table
Scheduling information receives MIB from BCH, has then just obtained the scheduling information of corresponding SIB or SB, at this time just by the tune of each SIB
Information preservation is spent into scheduling information table, has obtained the system information for containing all communication terminals needs as shown in table 4
The scheduling information table of scheduling information, according to these scheduling informations, communication terminal can carry out the reception of system information accordingly.
Table 4
| System information | Segments | Repetition period | Initial position | Positional shift |
| MIB | 1 | 8 | 0 | |
| SB1 | 1 | 16 | 2 | |
| SIB3 | 1 | 32 | 6 | |
| SIB5 | 3 | 32 | 12 | 2,6 |
| SIB7 | 1 | 64 | 22 | |
| SIB11 | 6 | 64 | 26 | 2,2,24 |
Step S1202：System information is received according to scheduling information table.
Referring still to table 4, the scheduling information of SIB3 is repetition period=32, segments=1, initial position=6, and communication terminal is just
SIB3 is received in the position that System Frame Number is 6；For another example, for SIB5, scheduling information is to repeat referring still to table 4
Period=32, segments=3, initial position=12, communication terminal just receive the first point of SIB5 in the position that System Frame Number is 12
Section, receives second segmentation in the position that System Frame Number is 46, receives third segmentation in the position that System Frame Number is 84.
Step S1203：Judge whether to be properly received.Specifically, can be well known to those skilled in the art by CRC check etc.
Verification means judge whether this reception correct, is not described in detail herein.If so, S1204 is thened follow the steps, if it is not,
Then follow the steps S1205.
Step S1204：Store the system information received.Then step S1206 is executed.
Step S1205：Update the corresponding scheduling information of the system information in scheduling information table.System for receiving mistake
Information then needs to receive again in next sending cycle of the system information, should update the corresponding tune of the system information at this time
Information is spent, i.e., the scheduling information that instruction is received to the system information within the currently reception period replaces with instruction in next reception
The scheduling information of the system information is received in period.For example, if SIB3 occurs receiving the situation of mistake, then just needing under
The sending cycle of one SIB3 receives the system information again.According to the scheduling information of SIB3, next received bit is set to system
The position that frame number is 38.Then according to updated scheduling information table, step S1202 is continued to execute.
Step S1206：Whether the system information for judging storage is Scheduling Block.As shown in table 4, the scheduling information of SIB1 is packet
It is contained in SB1.Communication terminal could obtain after being received and parsed through SB1 according to the scheduling information of SB1 in scheduling information table
Then the scheduling information of SIB1 could update the scheduling information of SIB1 into scheduling information table.That is, working as communication terminal
The system information received at this time be SB when, i.e., judging result be that should execute step S1207：With the SIB for including in SB
Scheduling information replacement scheduling information table in SB scheduling information.Then according to updated scheduling information table, step is continued to execute
Rapid S1202.Referring still to table 4, exactly with the scheduling information of the SIB1 read from SB1, the scheduling information of SB1 is replaced, is replaced
Scheduling information table as shown in table 5 is obtained after changing.When step S1206 judging result is no, then it represents that system information is SIB, and
Correctly received and storage has been arrived in communication terminal, subsequent there is no need to have received again to it, then should execute step
S1208：The scheduling information is deleted from scheduling information table.Then according to updated scheduling information table, step is continued to execute
S1202。
Table 5
| System information | Segments | Repetition period | Initial position | Positional shift |
| MIB | 1 | 8 | 0 | |
| SIB1 | 1 | 32 | 4 | |
| SIB3 | 1 | 32 | 6 | |
| SIB5 | 3 | 32 | 12 | 2,6 |
| SIB7 | 1 | 64 | 22 | |
| SIB11 | 6 | 64 | 26 | 2,2,24 |
In other embodiments, it if the scheduling information of SIB1 is directly contained in MIB, receives just straight after MIB
Scheduling information table as shown in table 5 can be obtained by connecing.
After step S1208, step S1209 is executed：Judge whether system information all finishes receiving in scheduling information table.
If it is not, then answering return step S1201, system information is continued to according to the scheduling information provided in scheduling information table.If so,
The reception process of end step S12.
The method that the communication terminal of the present embodiment receives system information, determines according to the current application state of communication terminal
Received system information and its corresponding scheduling information are needed, the system information of not timing is then carried out according to these scheduling informations
Reception, save software, the hardware resource of communication terminal, improve the efficiency of System Information reception, save power consumption.
Embodiment two
Compared with embodiment one, the present embodiment is the difference is that in the specific implementation procedure of step S12.Such as Fig. 4 institute
Show, is the implementation procedure of the step S12 of the present embodiment, including：
Step S1211：Establish scheduling information table.
Step S1212：Judge whether current system information is to need received system information.Front is it is stated that wide
Broadcast the system letter both needed under current application state comprising communication terminal in the system information of the transmission continuously recycled in channel
Breath also includes communication terminal unwanted system information under current application state.In the hair of this section of unwanted system information
It send in the period, communication terminal can be received, to save energy.Alternatively, it is further, it can not also be needed in this section
Some other operations execute in the sending time of received system information to make full use of the software and hardware of communication terminal to provide
Source.The effect of this step, when exactly to judge currently transmitted system information not be required system information, make communication terminal into
The other operations of row.Specifically, when judging result be it is yes, then follow the steps S1214, it is no to then follow the steps S1213.
Step S1213：Communication terminal executes avoiding operation.In step S1212 it has been noted that not needing received system
In the sending time section for information of uniting, communication terminal can enter sleep to reduce power consumption, or execute some other operations with
The software and hardware resources of communication terminal, that is, execution described in this step are made full use of to avoid mode.The avoiding operation refers to
Other operations in addition to the system information for receiving the needs that the communication terminal executes, including surveyed into sleep, frequency point
At least one of amount and the operation of different card.Wherein, the different card operation refers in multi-card communication terminal, currently receives system
The operation of any one Subscriber Identity Module except the Subscriber Identity Module of information, for example measure, search net etc..It should be understood that
In the sending time section for not needing received system information, communication terminal enters sleep, can save the power consumption of communication terminal
Amount, this is meaningful for the biggish smart phone of widely used power consumption currently on the market；Or in this section
In time, current terminal goes to complete the measurement of other frequency points, then can be improved the measurement capability of communication terminal；Or in this section
His Subscriber Identity Module relevant operation is carried out in time, reserves more resources for the different card operation of multi-card terminal.
Specifically the process of avoiding operation includes：
According to the scheduling information for not needing received system information, the initial time and time span of avoiding operation are calculated；
At the evacuation moment of avoiding operation, corresponding module is notified to execute corresponding actions.For example, reference table 3, in the position that SIB2 is sent and
Period is the initial time and time span of avoiding operation in this period.It, can be fast according to the scheduling information of SIB2
Speed determines transmission position and the period of SIB2, then it is corresponding dynamic can to notify that corresponding module executes according to system requirements
Make.
Step S1214：System information is received according to scheduling information table.The step in reference implementation example one is embodied
Rapid S1202.
Step S1215：Judge whether to be properly received.Specifically, can be well known to those skilled in the art by CRC check etc.
Verification means judge whether this reception correct, is not described in detail herein.If so, S1216 is thened follow the steps, if it is not,
Then follow the steps S1217.The step S1203 in reference implementation example one is embodied.
Step S1216：Store the system information received.The step S1204 in reference implementation example one is embodied.Then
Execute step S1218.
Step S1217：Update the corresponding scheduling information of the system information in scheduling information table.Reference implementation example is embodied
Step S1205 in one.
Step S1218：Whether the system information for judging storage is Scheduling Block.The step in reference implementation example one is embodied
S1206。
Step S1219：With the scheduling information of SB in the scheduling information replacement scheduling information table of the SIB for including in SB.Tool
Step S1207 in body implementation reference embodiment one.
Step S1220：The scheduling information is deleted from scheduling information table.The step in reference implementation example one is embodied
S1208。
After step S1220, step S1221 is executed：Judge whether system information all finishes receiving in scheduling information table.
If it is not, then answering return step S1211, system information is continued to according to the scheduling information provided in scheduling information table.If so,
The reception process of end step S12.
The method that the communication terminal of the present embodiment receives system information, determines according to the current application state of communication terminal
Received system information and its corresponding scheduling information are needed, then carrys out not timing according to these scheduling informations and receive,
Improve the efficiency of System Information reception.
Further, in the sending time section for not needing received system information, evacuation is can also be performed in communication terminal
Operation saves energy for communication terminal or enhances measurement capability or provide more reserved resource for the operation of different card.
In the embodiment that communication pattern is other standards, such as TD-SCDMA, long evolving system（LTE, Long Term
Evolution), the process that communication terminal receives system information can refer to the embodiment of the present invention one or two, only their agreement
It is middle to provide the system information used, slightly have under different application mode to the configuration of the demand of system information and broadcast channel
It is different.Those skilled in the art, which is based on embodiment one or embodiment two, can obtain other by simple derivation or change completely
The method that the communication terminal of communication pattern receives system information, is not described in more detail here.
It will be understood by those skilled in the art that all or part for realizing above-mentioned technical proposal is can be referred to by program
Enable relevant hardware complete, the program can store in readable storage medium storing program for executing, the storage medium can be ROM,
RAM, magnetic disk, CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (21)
1. a kind of method that communication terminal receives system information, which is characterized in that including：After the completion of broadcast channel configuration, root
Corresponding scheduling information is obtained according to demand of the communication terminal under current application state to system information；According to the scheduling information
Receive corresponding required system information；
It is described to include according to the corresponding required system information of scheduling information reception：Establish scheduling information table, the scheduling letter
It ceases table and is suitable for scheduling information based on system information needed for storage receives；According to the scheduling information table to required system information
It is received.
2. the method that communication terminal as described in claim 1 receives system information, which is characterized in that further include：Based on required
The reception result of system information updates the scheduling information table.
3. the method that communication terminal as claimed in claim 2 receives system information, which is characterized in that described to be based on required system
The reception result of information updates the scheduling information table：Whether the reception of system information needed for judging is correct, is to store
The system information, and the corresponding scheduling information of the system information in the scheduling information table is deleted, otherwise update the scheduling letter
Cease the corresponding scheduling information of the system information in table.
4. the method that communication terminal as claimed in claim 3 receives system information, which is characterized in that described to update the scheduling
The corresponding scheduling information of the system information includes in information table：Instruction is currently being received into the tune that the system information is received in the period
Degree information replaces with the scheduling information that instruction receives the system information within next reception period.
5. the method that communication terminal as claimed in claim 3 receives system information, which is characterized in that delete the scheduling every time
After scheduling information in information table, judge it is then to continue according to described whether there is also scheduling information in the scheduling information table
Scheduling information in scheduling information table receives corresponding required system information, the otherwise reception of ends with system information.
6. the method that communication terminal as claimed in claim 2 receives system information, which is characterized in that required system information is at least
Including Master Information Block, the demand according to communication terminal under current application state to system information obtains corresponding scheduling letter
Breath includes：Configuration based on broadcast channel obtains the corresponding scheduling information of the Master Information Block.
7. the method that communication terminal as claimed in claim 6 receives system information, which is characterized in that required system information is also wrapped
The system information block of at least one type is included, it is described that the demand of system information is obtained under current application state according to communication terminal
The corresponding scheduling information is taken to further include：The corresponding scheduling letter of required system information block is obtained by parsing the Master Information Block
Breath.
8. the method that communication terminal as claimed in claim 7 receives system information, which is characterized in that described to be based on required system
The reception result of information updates the scheduling information table：If also the scheduling comprising Scheduling Block is believed in the Master Information Block received
Breath, and the Scheduling Block includes the scheduling information of required system information block, then is added to the scheduling information of the Scheduling Block
The scheduling information table, and the scheduling information of the system information block needed for wherein included is replaced after receiving the Scheduling Block
The scheduling information of the Scheduling Block.
9. the method that communication terminal as described in claim 1 receives system information, which is characterized in that further include：Described wide
It broadcasts to send in channel and is not belonging to execute avoiding operation during required system information, the avoiding operation refers to the communication terminal
Other operations in addition to receiving required system information executed.
10. the method that communication terminal as claimed in claim 9 receives system information, which is characterized in that the avoiding operation packet
It includes and enters at least one of sleep, cell selection, web search, frequency point measurement and the operation of different card, what the different card operation referred to
It is the behaviour of any one Subscriber Identity Module in multi-card communication terminal, except the current Subscriber Identity Module for receiving system information
Make.
11. the method that communication terminal as described in claim 1 receives system information, which is characterized in that further include：According to described
After scheduling information has been properly received institute's received system information in need, the configuration of broadcast channel is discharged.
12. the method that communication terminal as described in claim 1 receives system information, which is characterized in that further include：If described logical
The current application state of letter terminal changes, then required system under the application state after reconfiguring broadcast channel and being changed
The corresponding scheduling information of information of uniting.
13. the method that communication terminal as described in claim 1 receives system information, which is characterized in that the communication terminal
Communication pattern is WCDMA, TD-SCDMA or LTE.
14. the device that a kind of communication terminal receives system information, which is characterized in that including：
Acquiring unit is used for after the completion of broadcast channel configuration, according to communication terminal to system information under current application state
Demand obtain corresponding scheduling information；
Receiving unit, for receiving corresponding required system information according to the scheduling information；
The receiving unit includes creating unit, and for establishing scheduling information table, the scheduling information table is suitable for storage and receives institute
Need scheduling information based on system information；The receiving unit connects required system information according to the scheduling information table
It receives.
15. the device that communication terminal as claimed in claim 14 receives system information, which is characterized in that further include：
Updating unit updates the scheduling information table for the reception result based on required system information.
16. the device that communication terminal as claimed in claim 14 receives system information, which is characterized in that further include that evacuation is single
Member executes avoiding operation, the avoiding operation during being not belonging to required system information for sending in the broadcast channel
Refer to other operations in addition to the system information for receiving the needs that the communication terminal executes.
17. the device that communication terminal as claimed in claim 16 receives system information, which is characterized in that the avoiding operation packet
It includes and enters at least one of sleep, cell selection, web search, frequency point measurement and the operation of different card, what the different card operation referred to
It is the behaviour of any one Subscriber Identity Module in multi-card communication terminal, except the current Subscriber Identity Module for receiving system information
Make.
18. the device that communication terminal as claimed in claim 14 receives system information, which is characterized in that further include that release is single
Member, for discharging after the receiving unit has been properly received institute's received system information in need according to the scheduling information
The configuration of broadcast channel.
19. the device that communication terminal as claimed in claim 14 receives system information, which is characterized in that further include that control is single
Member, for when the current application state of the communication terminal changes, control to reconfigure broadcast channel, and is obtained by described
The corresponding scheduling information of required system information under application state after taking unit to be changed.
20. the device that communication terminal as claimed in claim 14 receives system information, which is characterized in that the communication terminal
Communication pattern is WCDMA, TD-SCDMA or LTE.
21. a kind of communication terminal receives the device of system information including the described in any item communication terminals of claim 14 to 20.
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| CN201310326923.1A CN104349420B (en) | 2013-07-30 | 2013-07-30 | Communication terminal and its method and apparatus for receiving system information |
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| CN111083714A (en) * | 2015-10-29 | 2020-04-28 | 华为技术有限公司 | Method for transmitting system information, base station, terminal and system |
| US10142916B2 (en) * | 2015-11-03 | 2018-11-27 | Telefonaktiebolaget Lm Ericsson | Methods, network node and wireless device for handling system information |
| EP3397010B1 (en) | 2016-01-14 | 2021-09-08 | Huawei Technologies Co., Ltd. | Method, apparatus, and product for transmitting activation-related system information |
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| CN107528678B (en) * | 2016-06-22 | 2021-10-29 | 大唐移动通信设备有限公司 | Method and equipment for updating system message |
| WO2018028670A1 (en) * | 2016-08-12 | 2018-02-15 | Mediatek Inc. | System information acquisition |
| CN107889192B (en) * | 2016-09-29 | 2020-03-20 | 电信科学技术研究院 | System information transmission method, user terminal and network side equipment |
| US11071044B2 (en) | 2016-10-28 | 2021-07-20 | Sony Corporation | Mobile telecommunications system entity for transmitting system information in a 5G network |
| CN108024380B (en) * | 2016-11-04 | 2019-08-30 | 电信科学技术研究院 | A kind of system information acquisition method, user terminal and network side equipment |
| GB2558583A (en) | 2017-01-06 | 2018-07-18 | Nec Corp | Communication system |
| WO2019203713A1 (en) | 2018-04-17 | 2019-10-24 | Telefonaktiebolaget Lm Ericsson (Publ) | A radio network node, a wireless device and methods therein for transmission and reception of positioning system information |
| CN111258209A (en) * | 2018-12-25 | 2020-06-09 | 维沃移动通信有限公司 | Time information acquisition method, time information transmission method, terminal and network equipment |
| WO2020147087A1 (en) * | 2019-01-17 | 2020-07-23 | 华为技术有限公司 | System message processing method and device |
| CN110546974A (en) * | 2019-07-12 | 2019-12-06 | 北京小米移动软件有限公司 | method and device for acquiring system message, communication equipment and storage medium |
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