CN101959237B - Method, system and device for improving system information update success rate - Google Patents
Method, system and device for improving system information update success rate Download PDFInfo
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- CN101959237B CN101959237B CN 200910088937 CN200910088937A CN101959237B CN 101959237 B CN101959237 B CN 101959237B CN 200910088937 CN200910088937 CN 200910088937 CN 200910088937 A CN200910088937 A CN 200910088937A CN 101959237 B CN101959237 B CN 101959237B
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Abstract
The invention provides a method for improving the system information update success rate, which comprises the following steps that: an RNC judges whether to update system information of NodeB; if the RNC judges that the system information of NodeB is needed to be updated, the RNC transmits new system information and a command for deleting the original system information to the NodeB; and the NodeB deletes the original system information according to the command and adds the new system information. When the system information records on two sides of the RNC and the NodeB are inconsistent, the method can guarantee the accuracy of scheduling the system information. Therefore, the system information update success rate can be effectively improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind ofly improve the method, system and device that system information is updated to power.
Background technology
At TD-SCDMA (Time Division-Synchronous Code Division MultipleAccess, the code division multiple access that time-division is synchronous) in system, system information (System Information, SI) be UE (User Equipment, subscriber equipment) persistent district and the important and essential information of obtaining normal service under the residential quarter.RNC (Radio network Controller, radio network controller) be responsible for each system information block coding, and according to schedule information corresponding to Information generation after coding, the schedule information that NodeB (base station) provides according to RNC is broadcasted corresponding system information block content on the position of appointment.
Existing 3GPP (3rd Generation Partnership Project, third generation partner program) provided the message SYSTEMINFORMATION UPDATE REQUEST (system information update request) of updating system information between RNC and NodeB in agreement, as following table 1:
Table 1
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assi gned Critic ality |
| Message Discriminator | M | 9.2.1.45 | Dedicated NBAP message or the indication of public NBAP message | - | ||
| Message Type | M | 9.2.1.46 | Type of message | YES | reject | |
| Transaction ID | M | 9.2.1.62 | Process sign | - | ||
| C-ID | M | 9.2.1.9 | Cell ID | YES | reject | |
| BCCH Modification Time | O | 9.2.1.3 | BCCH modification information comes into force constantly | YES | reject | |
| MIB/SB/SIBInformation | 1..<maxIB > | Master scheduling piece, Scheduling Block, system information block message | GLOBAL | reject | ||
| >IB Type | M | 9.2.1.35 | Type of information block | - | ||
| >IB OC ID | M | 9.2.1.31A | Sign appears in block of information | - | ||
| >CHOICE IB Deletion Indicator | M | Block of information deletion indication | - | |||
| >>No Deletion | Do not delete | - | ||||
| >>>SIB Originator | C-SIB | 9.2.1.55 | The organizer of system information block | - | ||
| >>>IB SG REP | O | 9.2.1.34 | The block of information segmentation repetition period | - | ||
| >>>Segment Information | 1..<maxIB SEG> | The block of information segment information | GLOBAL | reject | ||
| >>>>IB SG POS | O | 9.2.1.33 | The segmentation position | - | ||
| >>>>Segment Type | C-CRNCO rigination | 9.2.1.53B | Segment type | - | ||
| >>>>IB SG DATA | C-CRNCO rigination | 9.2.1.32 | Segment data | - | ||
| >>Deletion | NULL | Deletion | - | |||
In the prior art, need RNC to certain SIB (System Information Block, must first show when system information block) upgrading and point out to delete its old information, then just can allow fresh information come into force, so just require the RNC side must record accurately the system information block message of haveing been friends in the past, and this information must be consistent constantly with the NodeB side.but, the system information record at RNC and NodeB two ends sometimes can be inconsistent in actual environment, such as, what stored the position of NodeB side IB SG POS=2 is the information of SIB1, and RNC side this moment is without any the record of system information block, if UpPCH position renewal occurs this moment, RNC will ask NodeB to upgrade SIB3 so, but due to without any historical record, so RNC may distribute to the position of IB SG POS=2 SIB3 and use, and the historical information that there is no display requirement deletion SIB1, after NodeB receives this system information update request, SIB 1 and SIB3 have been dispatched simultaneously on the position of discovery IB SG POS=2, total code stream length of system information block has surpassed the BCH block size like this, so, NodeB just thinks the broadcast frame overlength has occured, to RNC retrieval system information updating failure.And after this phenomenon occurs, because NodeB has no idea to notify RNC side specifying information, cause system information to upgrade and continue unsuccessfully.This problem has not only reduced the success rate that system information is upgraded, and coverage is larger, often can make large stretch of residential quarter all influenced, and must delete one by one and build the residential quarter, or restarts RNC and NodeB just can solve.
Therefore, the shortcoming that prior art exists is: when the system information block of RNC and NodeB both sides record was inconsistent, RNC can't notify NodeB to delete all SIB pieces effectively, thereby causes all failures of this and follow-up system information updating.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, particularly solve because the system information block of RNC and NodeB both sides record is inconsistent, and the system information that causes is upgraded failed problem.
For achieving the above object, one aspect of the present invention proposes a kind of method that system information is updated to power that improves, and comprises the following steps: radio network controller (RNC) judges whether to need to upgrade the system information of base station node B; If described RNC judgement needs to upgrade the system information of described NodeB, described RNC sends to described NodeB with the instruction of new system information and deletion original system information; Described NodeB is according to described instruction deletion original system information and add described new system information.
The present invention also proposes a kind of system that system information is updated to power that improves, comprise RNC and at least one NodeB, described RNC, be used for judging whether to need to upgrade the system information of base station node B, if judgement needs to upgrade the system information of described NodeB, the instruction with new system information and deletion original system information sends to described NodeB; Described NodeB is used for according to described instruction deletion original system information and adds described new system information.
The present invention also proposes a kind of RNC, comprises judge module and sending module, and described judge module is for the system information that judges whether to need to upgrade base station node B; Described sending module for when described judge module judgement needs to upgrade the system information of described NodeB, sends to described NodeB with new system information and the instruction of deleting original system information.
The present invention also proposes a kind of NodeB, comprises receiver module and control module, and described receiver module is used for receiving described the RNC new system information that sends and the instruction of deleting original system information; Described control module is used for according to described instruction deletion original system information and adds described new system information.
By the present invention, when the system information record of RNC and NodeB both sides is inconsistent, can guarantee the correctness of scheduling system information, thereby can effectively improve the success rate that system information is upgraded.And in a preferred embodiment of the invention, RNC and NodeB can only directly delete the historical record of all original system information blocks by a newly-increased IE, thereby have reduced the complexity of design, have improved treatment effeciency.
The aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the method flow diagram that the raising system information of the embodiment of the present invention is updated to power;
Fig. 2 is the system construction drawing that the raising system information of the embodiment of the present invention is updated to power.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
The present invention mainly is, the instruction that only needs to send deletion original system information to NodeB when RNC need to upgrade all system informations gets final product, NodeB will directly delete all system informations according to this instruction, and need not list one by one the SIB information that needs deletion as prior art, whether the system information record that does not also need equally in the present invention to be concerned about RNC and NodeB both sides is identical, thereby reduced the complexity of design, improved treatment effeciency.
As shown in Figure 1, be updated to the method flow diagram of power for the raising system information of the embodiment of the present invention, comprise the following steps:
Step S101, RNC judge whether to need to upgrade the system information of NodeB.Can need judge whether in several ways in the present invention to upgrade, for example if there is following situation one or more, the RNC judgement needs to upgrade the system information of NodeB, comprising: when the system information historical record has been lost in RNC this locality; And/or, when whether the system information record of the uncertain and NodeB side of RNC storage is identical; And/or, when RNC need to upgrade all system information blocks, etc.
Step S102, if the RNC judgement needs to upgrade the system information of NodeB, RNC sends to NodeB with the instruction of new system information and deletion original system information.in one embodiment of the invention, RNC sends to NodeB by the system information update request with new system information and the instruction of deleting original system information, those skilled in the art are to be understood that, can be by increasing a new IE (information unit) or expand the instruction that existing IE realizes deletion original system information in the system information update request, in a preferred embodiment of the invention, proposed to increase the example of new IE, as shown in table 2 below, increased a new IE (All IB Delete Indicator) and deleted all original system informations with indication NodeB in the system information update request.
Table 2
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assign ed Criticali ty |
| Message Discriminator | M | 9.2.1.45 | - | |||
| Message Type | M | 9.2.1.46 | YES | reject | ||
| Transaction ID | M | 9.2.1.62 | - | |||
| C-ID | M | 9.2.1.9 | YES | reject | ||
| BCCH Modification Time | O | 9.2.1.3 | YES | reject | ||
| MIB/SB/SIBInformation | 1..<maxIB > | GLOBAL | reject | |||
| >IB Type | M | 9.2.1.35 | - | |||
| >IB OC ID | M | 9.2.1.31A | In one message， every occurrence of IB Type can only be deleted once and/or added once. | - | ||
| >CHOICE IB Deletion Indicator | M | - | ||||
| >>No Deletion | - | |||||
| >>>SIB Originator | C-SIB | 9.2.1.55 | - | |||
| >>>IB SG REP | O | 9.2.1.34 | - | |||
| >>>Segment Information | 1..<maxIB SEG> | GLOBAL | reject | |||
| >>>>IB SG POS | O | 9.2.1.33 | - | |||
| >>>>Segment Type | C-CRNCO rigination | 9.2.1.53B | - | |||
| >>>>IB SG DATA | C-CRNCO rigination | 9.2.1.32 | - | |||
| >>Deletion | NULL | - | ||||
| All IB Delete Indicator | O | ENUMERAT ED( TRUE， FALSE) | When this IE was " TRUE ", NodeB should delete all original system information | - |
Certainly those skilled in the art also can select other modes to increase the instruction of this deletion original system information in the system information update request, in the situation that do not break away from inventive concept, and within these select also should be included in protection scope of the present invention.
Step S103, NodeB is according to this instruction deletion original system information and add new system information.For example in an embodiment of the present invention, RNC is when organization system information updating request message, the IE value of " All IB Delete Indicator " can be set to " TRUE ", like this, RNC just need not contrast historical record and the current SIB that will upgrade and determine the IB information that will delete, simplify the processing of RNC inside, also solved the problem of the system information broadcast frame overlength that causes due to the scheduling repetition simultaneously.Equally for NodeB, after receiving the system information update inquiry information, if the IE value of " All IBDelete Indicator " is set to " TRUE ", NodeB just can all delete the system information of this locality storage, then, the new system information that directly provides according to RNC is processed, before and after so can not occurring in twice system information update inquiry information same deployment position give different SIB and use, thereby avoided broadcast frame overlength problem, also improve simultaneously the treatment effeciency of NodeB, reduced the processing complexity.In sum, the present invention benefits for RNC and NodeB, has not only improved system information and has been updated to power, but also simplified processing, has reduced the complexity of design.
As shown in Figure 2, be updated to the system construction drawing of power for the raising system information of the embodiment of the present invention.This system comprises RNC 100 and at least one NodeB 200.RNC100 is used for judging whether to need to upgrade the system information of base station node B 200, if judgement needs to upgrade the system information of NodeB 200, the instruction with new system information and deletion original system information sends to NodeB 200.NodeB 200 is used for according to instruction deletion original system information and adds new system information.
Wherein, RNC 100 comprises judge module 110 and sending module 120.Judge module 110 is used for judging whether to need to upgrade the system information of NodeB 200.Sending module 120 sends to NodeB 200 for when judge module 110 judgements need to upgrade the system information of NodeB 200 with new system information and the instruction of deleting original system information.
In one embodiment of the invention, judge module 110 is used for upgrading according to one or more judgement needs of following situation the system information of NodeB 200: comprising: when the system information historical record has been lost in RNC this locality; And/or, when whether the system information record of the uncertain and NodeB side of RNC storage is identical; And/or, when RNC need to upgrade all system information blocks, etc.
In one embodiment of the invention, sending module 120 is used for by the system information update request, new system information and the instruction of deleting original system information being sent to NodeB 200.
In one embodiment of the invention, sending module 120 is used for increasing a new information unit IE in the system information update request, and NodeB 200 judges whether to delete original system information according to the value of new IE.
Wherein, NodeB 200 comprises receiver module 210 and control module 220.Receiver module 210 is used for receiving the RNC 100 new system information that sends and the instruction of deleting original system information.Control module 220 is used for according to this instruction deletion original system information and adds new system information.
In one embodiment of the invention, receiver module 210 is used for receiving system information updating request, and the system information update request comprises the instruction of new system information and deletion original system information.
In one embodiment of the invention, control module 220 judges whether to delete original system information for the value of the IE new according to the system information update request.
By the present invention, when the system information record of RNC and NodeB both sides is inconsistent, can guarantee the correctness of scheduling system information, thereby can effectively improve the success rate that system information is upgraded.And in a preferred embodiment of the invention, RNC and NodeB can only directly delete the historical record of all original system information blocks by a newly-increased IE, thereby have reduced the complexity of design, have improved treatment effeciency.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (8)
1. one kind is improved the method that system information is updated to power, it is characterized in that, comprises the following steps:
Radio network controller (RNC) judges whether to need to upgrade the system information of base station node B;
If described RNC judgement needs to upgrade the system information of described NodeB, described RNC sends to described NodeB by the system information update request with new system information and the instruction of deleting all original system information, and wherein said RNC sends to described NodeB by the instruction that new information unit IE of increase in described system information update request will delete all original system information;
Described NodeB deletes all original system information and adds described new system information according to described instruction.
2. raising system information as claimed in claim 1 is updated to the method for power, it is characterized in that, described NodeB deletes all original system information according to described instruction and comprises:
Described NodeB judges whether to delete all original system information according to the value of described new IE.
3. raising system information as claimed in claim 1 is updated to the method for power, it is characterized in that, described RNC judges whether that the system information that needs to upgrade NodeB comprises:
If there is one or more of following situation, described RNC judgement needs to upgrade the system information of described NodeB:
Described RNC has lost the system information historical record in this locality;
Whether the system information record of the uncertain and described NodeB side storage of described RNC is identical;
Described RNC need to upgrade all system information blocks.
4. one kind is improved the system that system information is updated to power, it is characterized in that, comprises radio network controller (RNC) and at least one base station node B,
Described RNC, be used for judging whether to need to upgrade the system information of base station node B, if judgement needs to upgrade the system information of described NodeB, by the system information update request, new system information and the instruction of deleting all original system information are sent to described NodeB, wherein said RNC sends to described NodeB by the instruction that new information unit IE of increase in described system information update request will delete all original system information;
Described NodeB is used for deleting all original system information and adding described new system information according to described instruction.
5. a radio network controller (RNC), is characterized in that, comprises judge module and sending module,
Described judge module is for the system information that judges whether to need to upgrade base station node B;
Described sending module, be used for when described judge module judgement needs to upgrade the system information of described NodeB, by the system information update request, new system information and the instruction of deleting all original system information are sent to described NodeB, wherein said sending module sends to described NodeB by the instruction that new information unit IE of increase in described system information update request will delete all original system information, so that described NodeB deletes all original system information and adds described new system information according to described instruction.
6. RNC as claimed in claim 5, is characterized in that, described judge module is used for the system information according to the described NodeB of one or more judgement needs renewals of following situation:
Described RNC has lost the system information historical record in this locality;
Whether the system information record of the uncertain and described NodeB side storage of described RNC is identical;
Described RNC need to upgrade all system information blocks.
7. a base station node B, is characterized in that, comprises receiver module and control module,
Described receiver module, be used for receiving the system information update request that comprises new system information and the instruction of all original system information of deletion that radio network controller (RNC) sends, the instruction of all original system information of wherein said deletion is represented by one that increases in described system information update request new information unit IE;
Described control module is used for according to described instruction deletion original system information and adds described new system information.
8. NodeB as claimed in claim 7, is characterized in that, the value that described control module is used for the IE new according to described system information update request judges whether to delete all original system information.
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Non-Patent Citations (3)
| Title |
|---|
| 3GPP.Technical Specification Group Radio Access Network |
| 3GPP.Technical Specification Group Radio Access Network UTRAN Iub interface Node B Application Part (NBAP) signalling.《3GPP TS 25.433 V7.13.0》.2009,265-266. * |
| UTRAN Iub interface Node B Application Part (NBAP) signalling.《3GPP TS 25.433 V7.13.0》.2009,265-266. |
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