CN110430606A - A kind of method, terminal and base station that system information obtains - Google Patents
A kind of method, terminal and base station that system information obtains Download PDFInfo
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- CN110430606A CN110430606A CN201910874280.1A CN201910874280A CN110430606A CN 110430606 A CN110430606 A CN 110430606A CN 201910874280 A CN201910874280 A CN 201910874280A CN 110430606 A CN110430606 A CN 110430606A
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- system information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The disclosure provides a kind of method that system information obtains, applied to terminal, it include: in business change, determine the affiliated type of the business, and the sending mode of system information corresponding with the business is determined according to the change number of the business, system information is sent to network side according to the affiliated type of the business and sends request, is included the sending mode of the system information in the system information transmission request, is received the system information that network side is sent according to the sending mode of the system information.Correspondingly, the system information acquisition method applied to network side, terminal and base station are also disclosed.The problem of can solve the cycle time length or message shortcoming for obtaining system information in the prior art, causing terminal that can not receive required correct system information on time.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of system information obtains and sending method, terminal and base station.
Background technique
System information is the tie for connecting terminal and network in the communications industry, is believed between terminal and wireless side by system
The transmitting of breath is completed to wirelessly communicate all kinds of business and physical process.When terminal booting, re-selecting cell, switching are completed, from other RAT
(Radio Access Type, wireless access type), E-UTRA (Evolved Universal Terrestrial Radio
Access, the land the UMTS wireless access of evolution) enter 5G, receives system information Notification of Changes, receives instruction and ETWS occur
(Earthquake and Tsunami Warning System, earthquake and tsunami warning system) notice and system information are more than
When the business demands such as longest validity period, terminal initiates system information request process and obtains recent systems information.
The broadcasting of system information is all by system call in LTE (Long Term Evolution, long term evolution) system
Periodic broadcast is carried out in a network, and broadcast resource expense is very big, and wherein system information includes MIB (Master
Information Block, main system module), SIB (System Information Block, system information block) 1, SIB2
With other SIB message.
As it can be seen that wherein the MIB fixed cycle is 40ms, SIB period since system information is using period transmission in the prior art
For 80ms, when terminal is after having obtained system information, in most cases system information is not within a certain period of time
It can change, if still going to read system information every tens ms are continual, terminal compares power consumption.And network system is adopted
Larger with periodic broadcast resource overhead, may cause terminal can not receive the correct system information of needs on time.Therefore it deposits
It is correct cause terminal not receive on time required for the problems such as the cycle time length or message for obtaining system information are short of
System information.
Summary of the invention
The technical problem to be solved is that the above-mentioned deficiencies for being directed to the prior art for the disclosure, provide a kind of system information acquisition
Method, terminal and base station, the cycle time to solve to obtain system information in the prior art is long or message shortcoming, leads to end
The problem of correct system information end can not receive on time required for.
It is at least to solve above-mentioned technical problem, in a first aspect, the embodiment of the present disclosure provides a kind of side that system information obtains
Method is applied to terminal, which comprises
In business change, the affiliated type of the business is determined, and according to the change number determination of the business and institute
The sending mode for stating the corresponding system information of business sends system information to network side according to the affiliated type of the business and sends
Request, the system information send the sending mode in request including the system information, receive network side according to the system
The system information that the sending mode of information is sent.
In one embodiment, described in business change, determine the affiliated type of the business, and according to the business
Number, which is changed, come the sending mode for determining system information corresponding with the business includes:
In business change, receive network side send system information, and by storage into system information pond, sentence
Whether the business of breaking is system information area AreaID belonging to current area (Area identity) change: if so, should
The change number+1 of item business, and judge whether total change number of this business is greater than first threshold, if it is judged that being
It is no, it is period transmission by the transmission pattern sets of the system information of this business, determines to network side and send switching request, it is described
The sending mode of system information in switching request including this business；
It is that transmission on demand or unicast are sent out by the transmission pattern sets of the system information of this business if it is judged that being yes
It send, determines to network side and send switching request, include the sending mode of the system information of this business in the switching request.
In one embodiment, in business change, receive network side send system information, and by storage to system letter
It ceases in message pool, judges whether the business is the change of system information area AreaID belonging to current area, further includes:
If it is not, further judge the system information after this business change be stored in it is corresponding in system information pond
Whether system information is consistent:
If consistent, by the change number+1 of this business, and judge whether total change number of this business is greater than second
The transmission pattern sets of the system information of this business are period transmission, true oriented network if it is judged that being no by threshold value
Side sends RRC change request, includes the sending mode of the system information of this business in the RRC change request；If it is determined that
As a result it is yes, is that transmission on demand or unicast are sent by the transmission pattern sets of the system information of this business, it is determining to network side
RRC change request is sent, the sending mode in the RRC change request including the system information of this business will if inconsistent
The change number+1 of this business, and judge whether total change number of this business is greater than third threshold value, if it is judged that
It is no, is period transmission by the transmission pattern sets of the system information of this business, determines that sending RRC change to network side asks
It asks, includes the sending mode of the system information of this business in the RRC change request；If it is judged that be it is yes, by this
The transmission pattern sets of the system information of business are that transmission on demand or unicast are sent, and determine that sending RRC change to network side requests,
It include the sending mode of the system information of this business in the RRC change request.
In one embodiment, described to judge whether the business is that system information area AreaID belonging to current area becomes
More, it specifically includes:
System information area AreaID belonging to current area is detected, and compares system information area belonging to current area
Whether AreaID and the system information area AreaID being stored in system information pond are consistent, if comparison result is consistent,
Judging result is yes；If comparison result is inconsistent, judging result is no.
In one embodiment, in business change, judging whether the business is system information belonging to current area
Before region AreaID change, further includes:
Judge whether system information corresponding with the business is warning information or warning message: if so, by this business
The transmission pattern sets of corresponding system information are to send on demand；If it is not, continuing to judge whether the business is current area institute
The system information area AreaID of category is changed.
In one embodiment, before business change, further includes:
The system information request of wireless access is sent after booting to network side；
Receive the fundamental system information that sends according to system information request of network side, and by storage to system information
Pond.
Second aspect, the embodiment of the present disclosure provide a kind of method that system information obtains, are applied to network side, the method
Include:
It receives the system information that terminal is sent and sends request, it includes the system information in request that the system information, which is sent,
Sending mode, according to the system information sending mode to terminal send system information.
The third aspect, the embodiment of the present disclosure provide a kind of terminal, including system information demand management module, system information are received
Send out module, system information demand management module, for determining the affiliated type of the business, and according to institute in business change
The change number for stating business determines the sending mode of system information corresponding with the business；
System information transceiver module is connect with system information demand management module, for according to system information demand management
The affiliated type for the business that module determines and the sending mode of system information corresponding with the business are sent to network side
System information sends request, and the system information sends the sending mode in request including the system information；And
The system information sent for receiving network side according to the sending mode of the system information.
Fourth aspect, the embodiment of the present disclosure provide a kind of base station, including receiving module and sending module,
Receiving module, the system information for receiving terminal transmission send request, and the system information sends in request and wraps
The sending mode of the system information is included, sending module sends system to terminal for the sending mode according to the system information
System information.
5th aspect, the embodiment of the present disclosure provide a kind of terminal, including memory and processor, store on the memory
There is the computer instruction that can be run on the processor, the processor executes first aspect when running the computer instruction
Embodiment provide method.
The advantageous effects of the disclosure are:
Method, terminal and the technical solution of base station that the system information that the disclosure provides obtains are led in business change
The affiliated type for determining the business is crossed, and system information corresponding with the business is determined according to the change number of the business
Sending mode, wherein sending mode includes that periodic broadcast sends, regularly sends by actual demand, mode of unicast is sent out on demand
It send, system information is sent to network side according to the affiliated type of the business and sends request, the system information is sent in request
Sending mode including the system information receives network side and believes according to the system that the sending mode of the system information is sent
Breath.In disclosed method, system information is that different sending modes is determined according to different situations by terminal, and by network side
It is sent according to this sending mode, so that terminal reads system information without frequent, to realize that terminal can connect on time
Correct system information required for receiving, while Internet resources can be saved.
Detailed description of the invention
Fig. 1: the method flow diagram that a kind of system information of one embodiment of the disclosure is sent；
Fig. 2: the system information of one embodiment of the disclosure sends/receives signaling process figure；
Fig. 3: the method flow diagram that a kind of system information of one embodiment of the disclosure is sent；
Fig. 4: the method flow diagram that a kind of system information of one embodiment of the disclosure is sent；
A kind of Fig. 5: the structural schematic diagram of terminal of one embodiment of the disclosure；
A kind of Fig. 6: the structural schematic diagram of base station of one embodiment of the disclosure；
A kind of Fig. 7: the structural schematic diagram of terminal of one embodiment of the disclosure.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawings and examples to this
Method, terminal and the base station that the system information of invention obtains, are described in further detail.
Embodiment 1:
The present embodiment provides a kind of method that system information obtains, it is applied to terminal, for example is applied to mobile phone, vehicle mounted electric
In the electronic equipments such as brain, smartwatch.Preferably to illustrate the method, the present embodiment is using the method for obtaining 5G system information
Example is carried out, but the method is applicable not only to 5G, is similarly adapted to obtain the system information in LTE system, here according to
The function of 5G system information determines the information such as sending mode and the priority of each system information, for will in the method
The specific scheduling parameter being related to is described as follows:
As shown in table 1, be 5G system information (MIB, SIB1~SIB9) the case where table, retouched including each informational function
It states, sending mode and send the information such as priority.
Table 1
In table 1, sending mode includes that periodic broadcast sends (period), regularly sends (on-demand) by actual demand, on demand
Mode of unicast (unicast) is asked to send, transmittable timer week when wherein periodic broadcast sends and regularly sends by actual demand
Phase timer, then system information will retransmit in fixed timer, the value of timer can according to terminal or the demand of network side into
Row setting, such as may be configured as 40ms or 80ms etc..It should be noted that being normally set up only for system information MIB and SIB1
There is periodic broadcast to send a kind of this sending mode.Priority includes three kinds of grade settings, and wherein SIB6~SIB8 is in face of certainly
Situations such as right disaster, emergency, therefore its highest priority, it is set as 0；MIB~SIB1 is excellent as fundamental system information
First grade is most important, is set as 1；The priority of other systems information is then set as 2.Certainly, the side of priority is distinguished in setting
Method is not limited to using the above-mentioned numerical value in the present embodiment, other methods that can carry out priority division for system information exist
In the protection scope of the disclosure.
The method that a kind of system information that the disclosure provides obtains, it will the specific scheduling parameter being related to includes:
(1) SI-Broadcast Status (system information broadcast state): state sending mode scheduled in instruction SIB1,
That is the sending mode in scheduling information in SIB1.If it is 1 that the field, which is arranged, then it represents that the field is arranged to
Broadcasting (periodic broadcast)；If the field is set as 2, expression is arranged to on-demand SI mode, that is, presses
Need mode；If the field is set as 3, expression is arranged to unicast mode；Wherein default value is 1.As long as it should be noted that
Convenient for distinguishing the protection scope that other fields of three kinds of sending modes belong to the disclosure.
(2) systemInformationAreaID (system information area mark): system letter belonging to instruction current area
Cease region.
(3) the value Tag in SIB-Type Info (value label): indicate that scheduled state, value 0~31 work as end
System information after the change of end is consistent with the former SI-Window information of storage, then it represents that system information does not change, value Tag
It is worth constant；When terminal altering system information and inconsistent storage original SI-Window information, value Tag value+1.
(4) systemInformationtimer (system information number): indicate that sending system information changes number, initiates
System message changes together, then timer value+1.
(5) systemInformationPriority (system information priority): dispatching priority is indicated, wherein SIB6
The system information for situations such as~SIB8 is in face of natural calamity, emergency, highest priority, if the field is set as 0；MIB
For~SIB1 as fundamental system information, priority is most important, if the field is set as 1；Other systems information is then according to business need
It asks transmission to change, sets 2 for the field.
As shown in Figure 1, the method that the system information obtains includes the following steps:
Step 101, in business change, the affiliated type of the business is determined, and according to the change number of the business
Determine the sending mode of system information corresponding with the business.
In the present embodiment, business change includes the business change that terminal is initiated or the business change that network side is initiated, and whole
The business change currently occurred is known between end and network side by Signalling exchange, the particular content of business change includes terminal hair
Constantly paging, position change or terminal capability change are played, terminal, which receives system information Notification of Changes, receives instruction ETWS occurs
Notice etc..In addition, the affiliated type of business includes the related service of mobile handoff and the related service that RRC is connected, as shown in Figure 2
System information (System Information, SI) send/received signaling process:
Signaling in first solid line boxes is that system information changes message signaling, when system information changes, is led to
Terminal is crossed to be transmitted to the base station of network side transmission Signalling exchange；
Signaling in second dashed rectangle is RRC connection signaling, when terminal in RRC connection procedure generating system information
When change, Signalling exchange is sent to terminal by the base station of network side and is transmitted；
Signaling in third solid line boxes is Handover hand off signaling, is become when terminal sends switching generating system information
When more, Signalling exchange is sent to the base station of network side by terminal and is transmitted.
In one embodiment, as shown in figure 3, in business change, the system information that network side is sent is received, and it is deposited
It stores up in system information pond, judges whether the business is the change of system information area AreaID belonging to current area:
If so, by the change number+1 of this business, and judge whether total change number of this business is greater than first threshold, if sentenced
Disconnected result is no, then is period transmission by the transmission pattern sets of the system information of this business, determining to cut to network side transmission
Request is changed, includes the sending mode of the system information of this business in the switching request；If it is judged that be it is yes, by this
The transmission pattern sets of the system information of business are that transmission on demand or unicast are sent, and determine to network side and send switching request, institute
State the sending mode of the system information in switching request including this business.
In the present embodiment, in business change, terminal can receive the system information after the change of network side base station transmission,
And by after change system information and system information pond in the original system information that stores be compared, if comparison result is different
It causes, then stores the system information after change into system information pond, specifically, terminal storage currently believe by newest system
Breath, system information include most important, common configured transmission, scheduling system information information, other cells access relevant information,
The information such as the public wireless resource configuration of terminal, same to frequency/alien-frequency district reselecting parameters, wherein each system information is corresponding
In one SI-Window, after each system information that terminal receives base station transmission, phase is arrived into the storage of each system information
In the SI-Window answered, current newest each SI-Window is stored together to be formed ultimately forms a SI message pool.
As it can be seen that when business change, terminal first judges when business change to system information demand and is stored in SI message pool
In information whether meet business demand (i.e. change number be less than or equal to first threshold), if meeting business more becomes demand,
Former sending mode (period transmission) is kept to continue to send system information；If being unable to satisfy business change demand (i.e. change number
Greater than first threshold), then it needs to be determined that the affiliated type of the business, and according to the change number of the business it is determining with it is described
The sending mode of the corresponding system information of business.
Specifically, first judge whether the business is the change of system information area AreaID belonging to current area: if
It is, by the change number+1 of this business, i.e. systemInformationtimer+1, and due to system information area AreaID
Having altered, then the system information after changing and the former SI-Window information being stored in system information pond are inconsistent, because
This, value Tag+1, when primary identical business change occurs again, then the change number of this business continues+1, therefore can be with
It realizes the judgement repeatedly changed for identical business and adds up.It should be noted that it is cumulative refer to terminal booting after
It adds up for the change number of identical services, after terminal turns back on, the change number of this business need to be recalculated.
Then judge whether total change number of this business after terminal booting is greater than first threshold, if it is judged that for total change
Number is less than or equal to first threshold, is period transmission by the transmission pattern sets of the system information of this business, i.e. basis should
Business modification SI-Window window determines to network side if SI-Broadcast Status=1 and sends switching request, described
The sending mode of system information in switching request including this business (i.e. the period sends)；If it is judged that for total change time
Number is greater than first threshold, is that transmission on demand or unicast are sent by the transmission pattern sets of the system information of this business, i.e. basis
Business modification SI-Window window determines if SI-Broadcast Status=2 or SI-Broadcast Status=3
Send switching request to network side, include in the switching request system information of this business sending mode (i.e. on demand or
Unicast is sent), other SIB of essential information and change.
It should be noted that first threshold is parameter, can be set according to the demand of terminal or network side base station, into
When row setting, needing to comprehensively consider prevents network signal storm and guarantees that terminal can receive the factors such as correct system information.
For example: if first threshold=5, when business change be terminal switched between cell A and cell B,
Terminal receives MIB, SIB1, SIB2, SIB3, SIB4 and SIB5 of network side base station transmission, and judging result is that the business is
System information area AreaID belonging to current area is changed, then systemInformationtimer+1, value Tag+1,
According to business modification SI-Window window, if SI-Broadcast Status=1, determine that sending switching to network side asks
It asks, the sending mode of the system information in the switching request including this business (i.e. the period sends).When terminal cell A with
Repeatedly switched between cell B, and switching times are greater than 5 times, then by the transmission pattern sets of the system information of this business
To send on demand or unicast is sent, i.e., according to business modification SI-Window window, if SI-Broadcast Status=2 or
SI-Broadcast Status=3 is determined to network side and is sent switching request, includes this business in the switching request
Sending mode (i.e. on demand or unicast send), the MIB of system information, SIB1, the SIB2 of change, the SIB3 of change, change
The SIB4 and SIB5 of change.When the system information sending mode that network side base station receives terminal transmission is to send in the period,
Base station can retransmission system information be to terminal in fixed timer, to ensure that terminal can receive accurate system information.Work as network
When side group station receives the system information sending mode of terminal transmission to send on demand, and when base station receives terminal transmission
SIB2~SIB5 service request, base station can retransmission system information be to terminal in fixed timer, to ensure that terminal receives on time
Accurate system information.When the system information sending mode that network side base station receives terminal transmission is that unicast is sent, and work as
Base station receives SIB2~SIB5 service request of terminal transmission, and base station sends primary system information to terminal, so that terminal
Receive accurate system information.Wherein, system information includes MIB, SIB1, SIB2~SIB5.So that terminal is without frequency
Numerous reading system information to realize that terminal can receive required correct system information on time, while can save
Internet resources.
Specifically, judge whether the business is that the change of system information area AreaID belonging to current area includes detection
System information area AreaID belonging to current area, and compare system information area AreaID belonging to current area and storage
Whether the system information area AreaID in system information pond is consistent, if comparison result is consistent, judging result is yes；
If comparison result is inconsistent, judging result is no.
In the present embodiment, if system information area AreaID belonging to current area and being stored in system information pond
System information area AreaID it is consistent, then illustrate the business change for not carrying out mobile handoff.If system belonging to current area
Information area AreaID and the system information area AreaID being stored in system information pond are inconsistent, then illustrate to be moved
The business change of dynamic switching.
In one embodiment, judge whether the business is that system information area AreaID belonging to current area becomes
More, further includes:
If system information area AreaID is not changed, the system information after further judging this business change be stored in
Whether corresponding system information is consistent in system information pond: if consistent, by the change number+1 of this business, and judging should
Whether total change number of business is greater than second threshold, if it is judged that be it is no, by the hair of the system information of this business
It send mode to be set as period transmission, determines to network side and send RRC change request, include the Xiang Ye in the RRC change request
The sending mode of the system information of business；If it is judged that be it is yes, the transmission pattern sets by the system information of this business are
It sends on demand or unicast is sent, determine to network side and send RRC change request, include this business in the RRC change request
System information sending mode；If inconsistent, by the change number+1 of this business, and total change time of this business is judged
Whether number is greater than third threshold value, is the period by the transmission pattern sets of the system information of this business if it is judged that being no
It sends, determines to network side and send RRC change request, include the hair of the system information of this business in the RRC change request
Send mode；It is that transmission on demand or unicast are sent out by the transmission pattern sets of the system information of this business if it is judged that being yes
It send, determines to network side and send RRC change request, include the transmission of the system information of this business in the RRC change request
Mode.
In the present embodiment, when judging result is that system information area AreaID is not changed, and is after this business change
System information be stored in that corresponding system information in system information pond is consistent, then by the change number+1 of this business, i.e.,
SystemInformationtimer+1, and since system information area AreaID is not changed, and the system information after change
With storage original SI-Window information it is consistent, therefore, value Tag be it is constant, when occur again once identical business change,
Then the change number of this business continues+1, therefore available realization is directed to the judgement and tire out that identical business is repeatedly changed
Add.Then judge whether total change number of this business after terminal booting is greater than second threshold, if it is judged that being total
It changes number and is less than or equal to second threshold, be then period transmission by the transmission pattern sets of the system information of this business, i.e.,
According to business modification SI-Window window, if SI-Broadcast Status=1, determines to network side and send RRC change
Request, the RRC change the sending mode of the system information in request including this business (i.e. the period sends)；If it is determined that knot
Fruit is always to change number to be greater than second threshold, then is transmission on demand or list by the transmission pattern sets of the system information of this business
It broadcasts and send, i.e., according to business modification SI-Window window, if SI-Broadcast Status=2 or SI-Broadcast
Status=3, determines to network side and sends RRC change request, includes the system information of this business in the RRC change request
Sending mode (i.e. on demand or unicast send), essential information and change other SIB.
It should be noted that second threshold is parameter, can be set according to the demand of terminal or network side base station, into
When row setting, needing to comprehensively consider prevents network signal storm and guarantees that terminal can receive the factors such as correct system information.
For example, if second threshold=50, when business change be terminal where user A calling user C when, terminal
MIB, SIB1, SIB2 of the transmission of network side base station can be received, content includes paging paging message in system information, and terminal will
The transmission pattern sets of the system information of this business are period transmission, i.e., according to business modification SI-Window window, if
SI-Broadcast Status=1 determines to network side and sends RRC change request, includes this in the RRC change request
The sending mode of the system information of business (i.e. the period sends).When user A always with user C carry out duration call, and
SystemInformationtimer is greater than 50 times, and the transmission pattern sets of the system information of this business are then on-demand by terminal
It sends or unicast is sent, i.e., according to business modification SI-Window window, if SI-Broadcast Status=2 or SI-
Broadcast Status=3 determines to network side and sends RRC change request, includes this business in the RRC change request
The sending mode (i.e. on demand or unicast send) of system information, MIB, SIB1, change SIB2.When network side base station receives
The system information sending mode that terminal is sent is when sending in the period, base station can in fixed timer retransmission system information to terminal,
To ensure that terminal can receive accurate system information.When network side base station receives the system information sending mode of terminal transmission
When to send on demand, and when base station receives the SIB2 service request of terminal transmission, base station can fix retransmission system in timer
Information is to terminal, to ensure that terminal receives accurate system information on time.When what network side base station received terminal transmission is
When information sending mode of uniting is that unicast is sent, and when base station receives the SIB2 service request of terminal transmission, base station sends primary
System information is to terminal, so that terminal receives accurate system information.Wherein, system information includes MIB, SIB1, SIB2.
So that terminal reads system information without frequent, to realize that terminal can receive required correctly system on time
System information, while Internet resources can be saved.
In addition, when judging result does not change for system information area AreaID, and the system information after this business change
Corresponding system information in system information pond is inconsistent with being stored in, then by the change number+1 of this business, i.e.,
SystemInformationtimer+1, and due to change after system information with store original SI-Window information it is inconsistent, because
This, value Tag+1, when primary identical business change occurs again, then the change number of this business continues+1, therefore can be with
It realizes the judgement repeatedly changed for identical business and adds up.Then judge total change of this business after terminal booting
Whether more number is greater than third threshold value, if it is judged that being less than or equal to third threshold value for total change number, then by the Xiang Ye
The transmission pattern sets of the system information of business are period transmission, i.e., according to business modification SI-Window window, if SI-
Broadcast Status=1 determines to network side and sends RRC change request, includes this business in the RRC change request
System information sending mode (i.e. period send)；If it is judged that being greater than third threshold value for total change number, then should
The transmission pattern sets of the system information of item business are that transmission on demand or unicast are sent, i.e., according to business modification SI-Window
Window determines to network side if SI-Broadcast Status=2 or SI-Broadcast Status=3 and sends RRC change
Request includes the sending mode (i.e. on demand or unicast is sent), basic of the system information of this business in RRC change request
Other SIB of information and change.
It should be noted that third threshold value is parameter, can be set according to the demand of terminal or network side base station, into
When row setting, needing to comprehensively consider prevents network signal storm and guarantees that terminal can receive the factors such as correct system information.
For example, if setting third threshold value=10, user A and user C where business change is terminal converse
When receiving the call request of social software (such as wechat, QQ) in terminal in the process, terminal can receive network side
MIB, SIB1, SIB2 that base station is sent, since new business is the call request from social software, terminal can be received
The new business information that network side is sent, therefore the business change makes the system information after change and storage original SI-Window letter
Cease it is inconsistent, terminal then by the transmission pattern sets of the system information of this business be the period send, i.e., according to the business modification
SI-Window window determines to network side if SI-Broadcast Status=1 and sends RRC change request, the RRC change
It more include the sending mode of the system information of this business in request (i.e. the period sends).When user A is more in certain preset duration
The secondary call request for receiving social software, and systemInformationtimer is greater than 10 times, terminal is then by this business
System information transmission pattern sets be on demand send or unicast send, i.e., according to business modification SI-Window window, if
SI-Broadcast Status=2 or SI-Broadcast Status=3 is determined to network side and is sent RRC change request, institute
State sending mode (i.e. on-demand or unicast is sent), the MIB, SIB1, change of the system information including this business in RRC change request
SIB2 more.When the system information sending mode that network side base station receives terminal transmission is to send in the period, base station can be solid
Determine in timer that retransmission system information is to terminal, to ensure that terminal can receive accurate system information.When network side base station receives
When the system information sending mode sent to terminal is transmission on demand, and when the SIB2 business that base station receives terminal transmission is asked
It asks, base station can retransmission system information be to terminal in fixed timer, to ensure that terminal receives accurate system information on time.
When the system information sending mode that network side base station receives terminal transmission is that unicast is sent, and when base station receives terminal hair
The SIB2 service request sent, base station send primary system information to terminal, so that terminal receives accurate system information.Its
In, system information includes MIB, SIB1, SIB2.So that terminal reads system information without frequent, to realize terminal
Correct system information required for capable of receiving on time, while Internet resources can be saved.
In one embodiment, in business change, judging whether the business is the letter of system belonging to current area
Before breath region AreaID change, further includes:
Judge whether system information corresponding with the business is warning information or warning message, that is, judges that system information is
No is any combination of SIB6 or SIB7 or SIB8 or SIB6, SIB7, SIB8: if so, illustrating that the affiliated type of this business is
The transmission pattern sets of the corresponding system information of this business are to send out on demand by the related service of early warning system or alarm system
It send, i.e., according to this business modification SI-Window window, if SI-Broadcast Status=2 or SI-Broadcast
Status=3 is determined to network side and is sent essential information and the corresponding system information in SIB6~8；If it is not, then judging the business
It whether is the change of system information area AreaID belonging to current area, described in deterministic process previous embodiment, herein no longer
It repeats.
In the present embodiment, judge corresponding with business system information whether be SIB6 or SIB7 or SIB8 or SIB6,
Any combination of SIB7, SIB8 can specifically judge according to system information priority, that is, judge system information
Whether the value of systemInformationPriority is 0, if systemInformationPriority value is 0, is illustrated
System information is warning information or warning message, i.e. system information is SIB6 or SIB7 or SIB8 or times of SIB6, SIB7, SIB8
One combination.
Specific example: business change is that terminal receives instruction and ETWS notice occurs, terminal receive the MIB that network side sends,
SIB1, SIB6 and SIB7 compare MIB, SIB1, SIB6 and SIB7 with the original system information being stored in message pool
It is right, if comparison result is inconsistent, MIB, SIB1, SIB6 and SIB7 of network side transmission are stored into message pool, and will
The transmission pattern sets of SIB6 and SIB7 are to send on demand.
Step 102, system information is sent to network side according to the affiliated type of the business and sends request, the system letter
Breath sends the sending mode in request including the system information.
Step 103, the system information that network side is sent according to the sending mode of the system information is received.
In the present embodiment, when transmission pattern sets are to send on demand or unicast is sent, then network side is according to the business of terminal
Demand sends system information on demand.
In one embodiment, before business change, further includes:
The system information request of wireless access is sent after booting to network side；
Receive the fundamental system information that sends according to system information request of network side, and by storage to system information
Pond.
In the present embodiment, terminal is switched on and carries out cell selection, and terminal sends the system information of wireless access to network side
Request, and receives the fundamental system information that network side is sent according to system information request, wherein fundamental system information include MIB with
SIB1 message, the content of system information include the configuration informations such as cell selection, initial access, link establishment.Terminal is by these bases
This system information is stored to system information pond.
The present embodiment the utility model has the advantages that in business change, by the affiliated type of the determination business, and according to described
The change number of business determines the sending mode of system information corresponding with the business, and wherein sending mode includes periodically wide
Broadcast send, regularly sent by actual demand, mode of unicast is sent on demand, when certain business change number be less than or equal to it is corresponding
Threshold value, it is determined that sending mode is periodic broadcast transmission, when certain business change number is more than corresponding threshold value, it is determined that send
Mode be regularly sent by actual demand, on demand mode of unicast send.And according to the affiliated type of the business to network side
It sends system information and sends request, include the sending mode of the system information in the system information transmission request, receive net
The system information that network side is sent according to the sending mode of the system information.To realize terminal receive on time required for just
True system information, while Internet resources can be saved.
Embodiment 2:
As shown in figure 4, being applied to network side, the method packet the present embodiment provides a kind of method that system information obtains
It includes:
Step 201, it receives the system information that terminal is sent and sends request, it includes described that the system information, which is sent in request,
The sending mode of system information.
Step 202, system information is sent to terminal according to the sending mode of the system information.
Embodiment 3:
As shown in figure 5, the present embodiment provides a kind of terminal, including system information demand management module 31, system information are received
Module 32 is sent out,
System information demand management module 31 determines the affiliated type of the business in business change, and according to
The change number of the business determines the sending mode of system information corresponding with the business.
System information transceiver module 32 is connect with system information demand management module, for according to system information demand pipe
The affiliated type for the business that module determines and the sending mode of system information corresponding with the business are managed to network side hair
System information is sent to send request, the system information sends the sending mode in request including the system information；
System information transceiver module 32 is also used to receive network side according to what the sending mode of the system information was sent
System information.
In one embodiment, which further includes system information memory module, with system information demand management module and
System information transceiver module connection, the system information for sending the received network side of system information transceiver module, is stored in
In system information pond.
In the present embodiment, system information transceiver module passes through SI-window for multiple systems with identical sending cycle
Information encapsulation sends jointly to base station to a SI message.System information memory module, for storing current newest system letter
Breath for system information demand management module reading, including most important, common configured transmission, scheduling system information information, its
The information such as the public wireless resource configuration of relevant information, the terminal of his cell access, same to frequency/alien-frequency district reselecting parameters.
System information in system information memory module can be increased according to terminal and network side BTS service demand, modify, delete
It is operated except equal.Wherein, in the corresponding SI-Window of each system information, corresponding SI- is arrived in each system information storage
In Window.Newest SI-Window message is stored together to form a SI message pool by system information memory module.
Embodiment 4:
As shown in fig. 6, the present embodiment provides a kind of base station, including receiving module 41 and sending module 42.
Receiving module 41, the system information for receiving terminal transmission send request, and the system information is sent in request
Sending mode including the system information,
Sending module 42 sends system information to terminal for the sending mode according to the system information.
Embodiment 5:
As shown in fig. 7, the present embodiment provides a kind of terminal, including memory 51 and processor 52, on the memory 51
It is stored with the computer instruction that can be run on the processor 52, the execution when processor 52 runs the computer instruction
1 the method for embodiment.
Wherein, memory 51 is electrically connected with processor 52, and flash memory or read-only memory can be used in memory 51 or other are deposited
Central processing unit or single-chip microcontroller can be used in reservoir, processor 52.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of method that system information obtains is applied to terminal, which is characterized in that the described method includes:
In business change, the affiliated type of the business is determined, and according to the determination of the change number of the business and the industry
The sending mode for corresponding system information of being engaged in,
System information is sent to network side according to the affiliated type of the business and sends request, and the system information is sent in request
Sending mode including the system information,
Receive the system information that network side is sent according to the sending mode of the system information.
2. determining the affiliated of the business the method according to claim 1, wherein described in business change
Type, and determine that according to the change number of the business, the sending mode of system information corresponding with the business includes:
In business change, receive network side send system information, and by storage into system information pond, judge institute
State whether business is the change of system information area AreaID belonging to current area: if so, by the change number+1 of this business,
And judge whether total change number of this business is greater than first threshold,
It is period transmission, true oriented network by the transmission pattern sets of the system information of this business if it is judged that being no
Side sends switching request, includes the sending mode of the system information of this business in the switching request；
It is that transmission on demand or unicast are sent by the transmission pattern sets of the system information of this business if it is judged that being yes,
It determines to network side and sends switching request, include the sending mode of the system information of this business in the switching request.
3. according to the method described in claim 2, it is characterized in that, receiving the system letter that network side is sent in business change
Breath, and by storage into system information pond, judge whether the business is system information area belonging to current area
AreaID change, further includes:
If it is not, further judging the system information after this business change and the corresponding system in system information pond that is stored in
Whether information is consistent:
If consistent, by the change number+1 of this business, and judge whether total change number of this business is greater than second threshold,
It is period transmission by the transmission pattern sets of the system information of this business if it is judged that being no, determines to network side hair
RRC change request is sent, includes the sending mode of the system information of this business in the RRC change request；If it is judged that
It is yes, is that transmission on demand or unicast are sent by the transmission pattern sets of the system information of this business, it is determining to be sent to network side
RRC change request, the RRC change the sending mode of the system information in request including this business,
If inconsistent, by the change number+1 of this business, and judge whether total change number of this business is greater than third
The transmission pattern sets of the system information of this business are period transmission, true oriented network if it is judged that being no by threshold value
Side sends RRC change request, includes the sending mode of the system information of this business in the RRC change request；If it is determined that
As a result it is yes, is that transmission on demand or unicast are sent by the transmission pattern sets of the system information of this business, it is determining to network side
RRC change request is sent, includes the sending mode of the system information of this business in the RRC change request.
4. according to the method in claim 2 or 3, which is characterized in that described to judge whether the business is current area institute
The system information area AreaID of category is changed, and is specifically included:
System information area AreaID belonging to current area is detected, and compares system information area belonging to current area
Whether AreaID and the system information area AreaID being stored in system information pond are consistent, if comparison result is consistent,
Judging result is yes；If comparison result is inconsistent, judging result is no.
5. according to the method in claim 2 or 3, which is characterized in that in business change, judge the business whether be
Before the change of system information area AreaID belonging to current area, further includes:
Judge whether system information corresponding with the business is warning information or warning message: if so, this business is corresponding
System information transmission pattern sets be on demand send；If it is not, continuing to judge whether the business is belonging to current area
System information area AreaID change.
6. the method according to claim 1, wherein before business change, further includes:
The system information request of wireless access is sent after booting to network side；
Receive the fundamental system information that sends according to system information request of network side, and by storage to system information pond.
7. a kind of method that system information obtains is applied to network side, which is characterized in that the described method includes:
It receives the system information that terminal is sent and sends request, include the hair of the system information in the system information transmission request
Mode is sent,
System information is sent to terminal according to the sending mode of the system information.
8. a kind of terminal, which is characterized in that including system information demand management module, system information transceiver module,
System information demand management module, for determining the affiliated type of the business, and according to the industry in business change
The change number of business determines the sending mode of system information corresponding with the business；
System information transceiver module is connect with system information demand management module, for according to system information demand management module
The sending mode of the affiliated type of the determining business and system information corresponding with the business sends system to network side
Information sending request, the system information send the sending mode in request including the system information；And
The system information sent for receiving network side according to the sending mode of the system information.
9. a kind of base station, which is characterized in that including receiving module and sending module,
Receiving module, the system information for receiving terminal transmission send request, and it includes institute in request that the system information, which is sent,
The sending mode of system information is stated,
Sending module sends system information to terminal for the sending mode according to the system information.
10. a kind of terminal, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires described in any one of 1-6 when the processor runs the computer instruction
Method.
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