CN104661240B - Send method and the base station of system information - Google Patents
Send method and the base station of system information Download PDFInfo
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- CN104661240B CN104661240B CN201310585483.1A CN201310585483A CN104661240B CN 104661240 B CN104661240 B CN 104661240B CN 201310585483 A CN201310585483 A CN 201310585483A CN 104661240 B CN104661240 B CN 104661240B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention provide it is a kind of send system information method and base station.Radio resource control RRC layer calculates demand code check according to the data volume of preset time window, preset maximum retransmission and system information SI；If the demand code check is more than preset first code check thresholding, then the rrc layer reduces the neighboring BS information that the system information block SIB in the SI includes, and returns to the step of rrc layer calculates demand code check according to the data volume of preset time window, preset maximum retransmission and SI；If the demand code check is less than or equal to the first code check thresholding, the rrc layer notifies the demand code check and the time window to media access control MAC layer；The MAC layer sends the SI using the code check and time window of rrc layer notice.Using the method provided by the invention for sending SI and base station, the success rate for sending SI can be improved.
Description
Technical field
The present invention relates to the communication technology more particularly to a kind of transmission system informations（System Information, referred to as
SI）Method and base station（Evolved Node B, abbreviation eNB）.
Background technology
In long term evolution（Long Term Evolution, abbreviation LTE）In system, will have identical purpose or same genus
The parameter of property belongs to same type of system information block（System Information Block, abbreviation SIB）In, therefore
SIB points are SIB1, SIB2 ... SIB13 etc..Wherein, the transmission cycle of SIB1 is fixed as 80ms, is retransmitted per 20ms in a cycle
Identical content.Other SIB other than SIB1 pass through system information（System Information, abbreviation SI）It is transmitted, leads to
The scheduling information crossed in SIB1 configures the mapping of other each SIB to SI.Each SIB is contained only in a SI, is only transmitted
Period, identical SIB can be just mapped in same SI.
Currently, SI is in periodic time window（Abbreviation SI-window）It is interior to be transmitted in a manner of dynamic dispatching,
The length of the time window and the transmission cycle of SI are configured in SIB1.Wherein, the length of the time window of each SI is all identical.Often
A SI corresponds to a time window；The time window of different SI is not overlapped between each other.In a time window, only transmission pair
The initial transmission of the SI answered, the SI and re-transmission all carry out in the time window.
In the existing method for sending SI, when the inadequate resource at current time is to send SI, abandon this time sending, etc.
Until next transmission cycle, which reattempts, sends the SI, using the method, the success rate for sending SI is low, accesses and produces to community user
Raw adverse effect.
Invention content
The first aspect of the invention is to provide a kind of method sending system information, to solve in the prior art lack
It falls into, improves the success rate for sending SI.
Another aspect of the present invention is to provide a kind of base station, to solve defect in the prior art, improves and sends SI
Success rate.
The first aspect of the invention is to provide a kind of method of transmission system information SI, including：
Radio resource control RRC layer is according to preset time window, the data volume of preset maximum retransmission and SI
Calculation demand code check；
If the demand code check is more than preset first code check thresholding, the rrc layer reduces the letter of the system in the SI
The breath block SIB neighboring BS information that includes, and return the rrc layer according to preset time window, preset maximum retransmission and
The data volume of SI calculates the step of demand code check；
If the demand code check is less than or equal to the first code check thresholding, the rrc layer is to media access control MAC
Layer notifies the demand code check and the time window；
The MAC layer sends the SI using the code check and time window of rrc layer notice.
Method as described above, wherein the rrc layer reduces the neighboring BS information that the SIB in the SI includes and includes：
The rrc layer reduces the neighboring BS information for the minimum adjacent area of priority that the SIB in the SI includes.
Method as described above, wherein the rrc layer according to preset time window, preset maximum retransmission and
Before the data volume of SI calculates demand code check, further include：
The rrc layer can pass data volume according to the calculating of default code check；
If the data volume for passing data volume and being greater than or equal to the SI, the rrc layer notify institute to the MAC layer
State default code check and the preset time window；
If it is described pass data volume be less than the SI data volume, execute the rrc layer according to preset time window,
The step of preset maximum retransmission and the data volume of SI calculate demand code check.
Method as described above, wherein further include：
If the demand code check is more than preset first code check thresholding, and does not include the corresponding SIB in adjacent area in the SI, then
The rrc layer sends SI to the MAC layer and sends failure notification.
Method as described above, wherein further include：
If the number that the SI that the MAC layer receives sends failure notification is greater than or equal to preset failure thresholding, institute
MAC layer is stated according to subframe minimum resource block RB in preset time window, calculating can support code check, if described support that code check is big
In or be equal to preset second code check thresholding, then the MAC layer using the rrc layer notice code check and time window send institute
SI is stated, if described support code check to be less than preset second code check thresholding, code check and institute can be supported described in the MAC layer use
The time window for stating rrc layer notice sends the SI；
If the number that the SI that the MAC layer receives sends failure notification is less than preset failure thresholding, the MAC layer
The SI is sent using the code check and time window of rrc layer notice.
Another aspect of the present invention is to provide a kind of base station, including：
Radio resource control RRC layer control unit, for according to preset time window, preset maximum retransmission and
The data volume of system information SI calculates demand code check, if the demand code check is more than preset first code check thresholding, reduces institute
The neighboring BS information that the system information block SIB in SI includes is stated, and again according to preset time window, preset maximum re-transmission time
The data volume of number and SI calculate demand code check, if the demand code check is less than or equal to the first code check thresholding, to media
Access control MAC layer control unit notifies the demand code check and the time window；
The MAC layer control unit, for sending institute using the code check and time window of rrc layer control unit notice
State SI.
Base station as described above, wherein the SIB that the rrc layer control unit is specifically used for reducing in the SI includes
The neighboring BS information of the minimum adjacent area of priority.
Base station as described above, wherein the rrc layer control unit is additionally operable to that according to default code check calculating data can be passed
Amount notifies described default if the data volume for passing data volume and being greater than or equal to the SI to the MAC layer control unit
Code check and the preset time window, if the data volume for passing data volume and being less than the SI, according to the preset time
The data volume of window, preset maximum retransmission and SI calculates demand code check.
Base station as described above, wherein the rrc layer control unit is additionally operable to be more than preset the in the demand code check
When not including the corresponding SIB in adjacent area in one code check thresholding and the SI, sends SI transmissions to the MAC layer control unit and unsuccessfully lead to
Know.
Base station as described above, wherein the MAC layer control unit is additionally operable to send failure notification in the SI received
When number is greater than or equal to preset failure thresholding, according to the minimum subframes of resource block RB in preset time window, calculating can prop up
Code check is held, it is logical using the rrc layer control unit if described support code check to be greater than or equal to preset second code check thresholding
The code check and time window known send the SI, if described support code check to be less than preset second code check thresholding, use institute
Stating can support the time window that code check and the rrc layer control unit notify to send the SI；
The number that the MAC layer control unit is additionally operable to send failure notification in the SI received is less than preset failure door
In limited time, the SI is sent using the code check and time window of rrc layer control unit notice.
By foregoing invention content as it can be seen that when calculating the demand code check obtained less than or equal to preset first code check thresholding,
Rrc layer reduces the neighboring BS information that SIB includes in SI to be sent, by carrying out adjacent area reduction, reduces in SI to be sent
SIB, to reduce the data volume of the SI.When in the inadequate resource at current time to send original SI, using the present invention
The above method of embodiment reduces the data volume of SI by adjacent area reduction so that the SI can be correctly sent, to improve
Send the success rate of SI.
Description of the drawings
Fig. 1 is the flow chart of the method for the transmission SI of the embodiment of the present invention one；
Fig. 2 is the flow chart of the method for the transmission SI of the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of the base station of the embodiment of the present invention three.
Specific implementation mode
Fig. 1 is the flow chart of the method for the transmission SI of the embodiment of the present invention one.As shown in Figure 1, this method includes following mistake
Journey.
Step 101：Wireless heterogeneous networks（Radio Resource Control, abbreviation RRC）Layer is according to the preset time
The data volume of window, preset maximum retransmission and SI calculates demand code check.
In this step, the data volume of SI is the data volume of current SI to be sent.
Step 102：The rrc layer demand code check and preset first code check thresholding.
If the demand code check is more than preset first code check thresholding, 103 are thened follow the steps；If the demand code check is less than
Or it is equal to the first code check thresholding, then follow the steps 104.
Step 103：Rrc layer reduces the neighboring BS information that the SIB in the SI includes.
After step 103, return to step 101.
Step 104：Rrc layer is to wireless heterogeneous networks（Media Access Control, abbreviation MAC）Layer notifies the need
Ask code check and the time window.
Step 105：MAC layer sends the SI using the code check and time window of rrc layer notice.
In the embodiment of the present invention one, it is less than or equal to preset first code check thresholding calculating the demand code check obtained
When, rrc layer（That is layer three）The neighboring BS information that SIB includes is reduced in SI to be sent to be reduced and waits for by carrying out adjacent area reduction
SIB in the SI of transmission, to reduce the data volume of the SI.When in the inadequate resource at current time to send original SI,
Using the above method of the embodiment of the present invention, reduce the data volume of SI by adjacent area reduction so that the SI can correctly be sent out
It send, to improve the success rate for sending SI.
Fig. 2 is the flow chart of the method for the transmission SI of the embodiment of the present invention two.As shown in Fig. 2, this method includes following mistake
Journey.
Step 201：Rrc layer can pass data volume according to the calculating of default code check.
In this step, it is the maximum number that can be transmitted in preset time window using code check is preset that can pass data volume
According to amount.In embodiments of the present invention, to that can pass the specific method of data volume and be not limited according to presetting code check and calculate, it is any can
The method that data volume can be passed according to the calculating of default code check is applicable, for example, can as follows, according to default code check meter
Calculation can pass data volume：
The symbol that can be used for transmitting SI in the RB quantity × each TTI for can be used for transmitting in data volume=each TTI SI can be passed
The number of transmissions × SI transmission of the number of carrier wave × Modulation order Product code Rate × SI for including on number × each RB in preset window
Default code check.Wherein, TTI is Transmission Time Interval（Transmission Time Interval, abbreviation TTI）；SI be
System information（System Information, abbreviation SI）；RB is radio bearer（Radio Bearer, abbreviation RB）；On each RB
Including number of carrier wave can be preset as a fixed value, for example, 12 can be preset as；Modulation order Product code Rate can be a fixation
Value, for example, using four phase shift keying in system broadcasts（Quadrature Phase Shift Keying, abbreviation QPSK）When,
Modulation order Product code Rate can be 2.
Step 202：The relatively more described data volume that can pass data volume and the SI of rrc layer.
In this step, the data volume of SI is the data volume of current SI to be sent.If it is described pass data volume be more than or
Equal to the data volume of the SI, 203 are thened follow the steps；If the data volume for passing data volume and being less than the SI, executes step
Rapid 204.
Step 203：Rrc layer notifies the default code check and the preset time window to MAC layer.
In this step, if the data volume for passing data volume and being more than SI calculated according to default code check, illustrates
Preset time window can accommodate the data volume for the SI that will be passed, and therefore, rrc layer is by default code check and preset time window
Notify MAC layer.
After step 203, step 210 is executed.
Step 204：Rrc layer calculates need according to the data volume of preset time window, preset maximum retransmission and SI
Seek code check.
In this step, the data volume of SI is the data volume of current SI to be sent.Since the data volume that passes is less than
The data volume of the SI, illustrate if using rrc layer initial configuration default code check, preset time window not enough accommodate will
The data volume of the SI of biography, it is therefore desirable to code check is improved, according to preset time window and preset maximum retransmission and SI
Data volume the code checks of needs, i.e. demand code check is calculated.In embodiments of the present invention, to according to preset time window,
The specific method that preset maximum retransmission and the data volume of SI calculate demand code check is not limited, it is any can be according to default
Time window, preset maximum retransmission and SI data volume calculate demand code check method it is applicable, for example, can be with
As follows, demand code check is calculated according to the data volume of preset time window, preset maximum retransmission and SI：
The data volume of demand code check=SI of SI transmission/（It can be used for transmitting RB quantity × each TTI of SI in each TTI
Number of carrier wave × Modulation order Product code Rate × the SI that inside can be used for including on symbolic number × each RB of transmission SI is in preset window
The number of transmissions）, wherein the number of carrier wave for including on each RB can be preset as a fixed value, for example, 12 can be preset as；
Modulation order Product code Rate can be a fixed value, for example, using four phase shift keying in system broadcasts（Quadrature Phase
Shift Keying, abbreviation QPSK）When, Modulation order Product code Rate can be 2；The number of transmissions of the SI in preset window can basis
Preset time window and preset maximum retransmission, which calculate, to be obtained.
After step 204, step 205 is executed.
Step 205：The rrc layer demand code check and preset first code check thresholding.
If the demand code check is more than preset first code check thresholding, 206 are thened follow the steps；If the demand code check is less than
Or it is equal to the first code check thresholding, then follow the steps 209.
In this step, the setting of the first code check thresholding should consider that cell edge can be covered.
Step 206：Whether rrc layer judges in SI to include the corresponding SIB in adjacent area.
If so, executing step 207；Otherwise, step 208 is executed.
In this step, whether rrc layer judges in SI to include the corresponding SIB in adjacent area, and the corresponding SIB in adjacent area may include
SIB4, SIB5, SIB6, SIB7 and/or SIB8 etc..
Step 207：Rrc layer reduces the neighboring BS information that the SIB in the SI includes.
In this step, the specific method that rrc layer reduces the neighboring BS information that the SIB in the SI includes may include：RRC
Layer reduces the neighboring BS information for the minimum adjacent area of priority that the SIB in the SI includes.Wherein it is determined that the side of the priority of adjacent area
Method includes：Since backstage can configure cell individual offsets according to the neighboring BS relationship preferentially switched（Cell Individual
Offset, abbreviation CIO）Parameter, therefore determine that priority, the bigger adjacent area of CIO parameter values are excellent according to the CIO parameters of each adjacent area
First grade is higher.
In step 207, by carrying out adjacent area reduction, the data volume of SI is reduced.After step 207, return to step
204, calculate demand code check, wherein SI again according to the data volume of preset time window, preset maximum retransmission and SI
Data volume be SI after adjacent area is reduced data volume.Step 205 is continued to execute after step 204, and compare needs again
Ask code check and preset first code check thresholding.Step 207, step 204 and step 205 can be performed a plurality of times, until in step 205
Middle judgement demand code check is less than or equal to the first code check thresholding, thens follow the steps 209.
Step 208：Rrc layer sends SI to MAC layer and sends failure notification.
In this step, demand code check is more than preset first code check thresholding, and does not include the corresponding SIB in adjacent area in SI,
Then rrc layer determines that SI sends failure, and sending SI to MAC layer sends failure notification.
After step 208, step 210 is executed.
Step 209：Rrc layer notifies the demand code check and the time window to MAC layer.
In this step, the demand code check is less than or equal to the first code check thresholding, then rrc layer is thought to need in use
Ask the time window being currently configured when code check that can accommodate the data volume of SI to be sent, which can send, therefore, rrc layer
Demand code check and time window are notified into MAC layer.
After step 209, step 210 is executed.
Step 210：The SI that MAC layer relatively receives sends the number of failure notification and preset failure thresholding.
If the number that the SI that MAC layer receives sends failure notification is greater than or equal to preset failure thresholding, step is executed
Rapid 211；If the number that the SI that MAC layer receives sends failure notification is less than preset failure thresholding, 213 are thened follow the steps.
Step 211：MAC layer can support code check according to subframe minimum resource block RB in preset time window, calculating.
In this step, the number that the SI received sends failure notification is greater than or equal to preset failure thresholding, then SI
It determines the less reliable that Current resource is limited, and community user SI is received, needs to adjust code check.Adjustment mode includes step 211
To step 213.
After step 211, step 212 is executed.
Step 212：MAC layer is relatively more described can to support code check and preset second code check thresholding.
If described support code check to be greater than or equal to preset second code check thresholding, do not adjust to code check, specifically,
Execute step 213；If described support code check to be less than preset second code check thresholding, code check is adjusted, specifically, is held
Row step 214.
Step 213：MAC layer sends the SI using the code check and time window of rrc layer notice.
In this step, MAC layer sends the SI using the code check and time window of rrc layer notice.Wherein, for preceding
Step is the case where entering step 210 by step 203, and the code check of rrc layer notice is default code check.For being warp in preceding step
The case where step 204 enters step 210 is crossed, the code check of rrc layer notice is demand code check.
Step 214：MAC layer can support the time window that code check and rrc layer notify to send the SI described in using.
In the embodiment of the present invention two, using rrc layer（That is layer three）With MAC layer（That is layer two）The method for cooperateing with processing.
It when inadequate resource, is adjusted first in rrc layer, the neighboring BS information that SIB includes is reduced in SI to be sent, is waited for reduce
The data volume of the SI of transmission.Then, SI still sends failure after rrc layer carries out above-mentioned adjustment and the number of transmission failure reaches
When one preset thresholding, code check is improved in MAC layer.To send original SI in the inadequate resource at current time
When, processing is cooperateed with MAC layer by rrc layer, reduces the resource for sending and being occupied needed for SI so that the SI can be correctly sent,
To improve the success rate for sending SI.
Fig. 3 is the structural schematic diagram of the base station of the embodiment of the present invention three.As shown in figure 3, the base station includes at least：Rrc layer
Control unit 31 and MAC layer control unit 32.
Wherein, rrc layer control unit 31 is used to be believed according to preset time window, preset maximum retransmission and system
The data volume for ceasing SI calculates demand code check, if the demand code check is more than preset first code check thresholding, reduces in the SI
The system information block SIB neighboring BS information that includes, and again according to preset time window, preset maximum retransmission and SI
Data volume calculate demand code check, if the demand code check be less than or equal to the first code check thresholding, to media access control
MAC layer control unit 32 processed notifies the demand code check and the time window.
The MAC layer control unit 32 is used for code check and time window hair using the rrc layer control unit 31 notice
Send the SI.
Based on the above technical solution, further, the rrc layer control unit 31 is specifically used for reducing the SI
In the minimum adjacent areas of priority that include SIB neighboring BS information.
Based on the above technical solution, further, the rrc layer control unit 31 is additionally operable to according to default code check
Calculating can pass data volume, if the data volume for passing data volume and being greater than or equal to the SI, to the MAC layer control unit
32 notify the default code check and the preset time window, if the data volume for passing data volume and being less than the SI,
Demand code check is calculated according to the data volume of preset time window, preset maximum retransmission and SI.
Based on the above technical solution, further, the rrc layer control unit 31 is additionally operable in the demand code
When rate is more than in preset first code check thresholding and the SI not SIB corresponding including adjacent area, to the MAC layer control unit 32
It sends SI and sends failure notification.
Based on the above technical solution, further, the MAC layer control unit 32 is additionally operable in the SI received
When sending the number of failure notification more than or equal to preset failure thresholding, minimum according to resource block RB in preset time window
Subframe, calculating can support code check, if described support code check to be greater than or equal to preset second code check thresholding, using described
The code check and time window that rrc layer control unit 31 notifies send the SI, if described support code check to be less than preset second
Code check thresholding can then support the time window that code check and the rrc layer control unit 31 notify to send the SI described in use.Institute
MAC layer control unit 32 is stated to be additionally operable to, when the SI received sends the number of failure notification less than preset failure thresholding, adopt
The code check and time window notified with the rrc layer control unit 31 sends the SI.
The base station of the embodiment of the present invention three can be used for executing described in the embodiment of the present invention one and the embodiment of the present invention two
The method for sending SI, specific implementation process and technique effect are referred to the embodiment of the present invention one and the embodiment of the present invention two,
Details are not described herein again.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of method sending system information SI, which is characterized in that including：
Radio resource control RRC layer calculates need according to the data volume of preset time window, preset maximum retransmission and SI
Seek code check；
If the demand code check is more than preset first code check thresholding, the rrc layer reduces the system information block in the SI
SIB, and return to the rrc layer and demand is calculated according to the data volume of preset time window, preset maximum retransmission and SI
The step of code check；
If the demand code check is less than or equal to the first code check thresholding, the rrc layer is logical to media access control MAC layer
Know the demand code check and the time window；
The MAC layer sends the SI using the code check and time window of rrc layer notice；
The rrc layer reduces the neighboring BS information that the SIB in the SI includes：The rrc layer reduces the SIB packets in the SI
The neighboring BS information of the minimum adjacent area of priority contained.
2. according to the method described in claim 1, it is characterized in that, the rrc layer according to preset time window, it is preset most
Before the data volume of big number of retransmissions and SI calculate demand code check, further include：
The rrc layer can pass data volume according to the calculating of default code check；
If the data volume for passing data volume and being greater than or equal to the SI, the rrc layer notifies described pre- to the MAC layer
If code check and the preset time window；
If the data volume for passing data volume and being less than the SI, the rrc layer is executed according to preset time window, default
Maximum retransmission and SI data volume calculate demand code check the step of.
3. method according to claim 1 or 2, which is characterized in that further include：
If the demand code check is more than preset first code check thresholding, and does not include the corresponding SIB in adjacent area in the SI, then described
Rrc layer sends SI to the MAC layer and sends failure notification.
4. according to the method described in claim 3, it is characterized in that, further including：
If the number that the SI that the MAC layer receives sends failure notification is greater than or equal to preset failure thresholding, the MAC
Layer according to subframe minimum resource block RB in preset time window, calculating can support code check, if it is described support code check be more than or
Equal to preset second code check thresholding, then the MAC layer is using described in the code check of rrc layer notice and time window transmission
SI, if described support that code check is less than preset second code check thresholding, the MAC layer use described in can support code check and described
The time window of rrc layer notice sends the SI；
If the number that the SI that the MAC layer receives sends failure notification is less than preset failure thresholding, the MAC layer uses
The code check and time window of the rrc layer notice send the SI.
5. a kind of base station, which is characterized in that including：
Radio resource control RRC layer control unit, for according to preset time window, preset maximum retransmission and system
The data volume of information SI calculates demand code check, if the demand code check is more than preset first code check thresholding, reduces the SI
In the system information block SIB neighboring BS information that includes, and again according to preset time window, preset maximum retransmission and
The data volume of SI calculates demand code check, if the demand code check is less than or equal to the first code check thresholding, is accessed to media
Mac layer control unit notifies the demand code check and the time window；
The MAC layer control unit, described in being sent using the code check and time window of rrc layer control unit notice
SI；
The rrc layer control unit is specifically used for reducing the adjacent area letter for the minimum adjacent area of priority that the SIB in the SI includes
Breath.
6. base station according to claim 5, which is characterized in that
The rrc layer control unit be additionally operable to according to preset code check calculating can pass data volume, if it is described pass data volume be more than or
Equal to the data volume of the SI, then the default code check and the preset time window are notified to the MAC layer control unit,
If it is described pass data volume be less than the SI data volume, according to preset time window, preset maximum retransmission and
The data volume of SI calculates demand code check.
7. base station according to claim 5, which is characterized in that the rrc layer control unit is additionally operable in the demand code
When rate is more than in preset first code check thresholding and the SI not SIB corresponding including adjacent area, sent out to the MAC layer control unit
SI is sent to send failure notification.
8. base station according to claim 7, which is characterized in that
The number that the MAC layer control unit is additionally operable to send failure notification in the SI received is greater than or equal to preset failure
When thresholding, according to the minimum subframes of resource block RB in preset time window, calculating can support code check, if described support that code check is big
In or equal to preset second code check thresholding, then institute is sent using the code check and time window of rrc layer control unit notice
SI is stated, if described support code check to be less than preset second code check thresholding, code check and the rrc layer control can be supported described in use
The time window of unit notice processed sends the SI；
The number that the MAC layer control unit is additionally operable to send failure notification in the SI received is less than preset failure thresholding
When, the SI is sent using the code check and time window of rrc layer control unit notice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585483.1A CN104661240B (en) | 2013-11-19 | 2013-11-19 | Send method and the base station of system information |
Applications Claiming Priority (1)
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| US20170064764A1 (en) * | 2015-08-27 | 2017-03-02 | Qualcomm Incorporated | Concurrent decoding of one or more system information blocks (sibs) |
| CN109121145A (en) * | 2017-06-26 | 2019-01-01 | 中兴通讯股份有限公司 | A kind of system message acquisition method and device, computer readable storage medium |
| CN109121189A (en) * | 2017-06-26 | 2019-01-01 | 中兴通讯股份有限公司 | A kind of system message acquisition method and device, computer readable storage medium |
| CN108513724B (en) * | 2018-01-12 | 2022-09-09 | 北京小米移动软件有限公司 | Data transmission method and device and data sending end |
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