CN101111057B - System information broadcasting method - Google Patents
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- CN101111057B CN101111057B CN200610099372XA CN200610099372A CN101111057B CN 101111057 B CN101111057 B CN 101111057B CN 200610099372X A CN200610099372X A CN 200610099372XA CN 200610099372 A CN200610099372 A CN 200610099372A CN 101111057 B CN101111057 B CN 101111057B
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Abstract
The present invention discloses a method for broadcasting the system information, which comprises that, when the contents of a SIB11 system information block composed of the configured system inter-frequency, the system intra-internal frequency and the number of the adjacent area between the systems exceeds a max. dispatching block, a RNC Transmit Mechanism is changed into a broadcast mechanism ofthe multi-cycle polling and performs the broadcast to the contents of the SIB11 system information block in batch according to an assigned cycle; after receiving the SIB11 system information, the UEreserves the information list in the small zone and only cleans up the information list in the small zone corresponding to the currently received information in the adjacent area. When the amount of the System Broadcast Information in the broadcasting type is larger, the disposal of the broadcast and the contents of the broadcast information, and the User Equipment are adjusted by utilizing the method shown in the present invention, to not only meet the existing System Broadcast Information, but also ensure the actual process of the information when the information amount is larger.
Description
Technical field
The present invention relates to a kind of wireless communication technique, specifically, relate to a kind of system information broadcasting method in Wideband CDMA Technology.
Background technology
Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access) the system information broadcast function in the system is by radio network controller (RNC, Radio NetworkController) is some public informations that subscriber equipment (UE, User Equipment) provides Access Layer and Non-Access Stratum.The purpose of system information broadcast is that RNC broadcasts for all UE in the sub-district under it.The information of Non-Access Stratum comprises in the system information broadcast: operator's informaiton, core net (CN, CoreNetwork) domain information etc.Access Layer information comprises: location registration area information, cell information, channel information, cell selecting gravity treatment information, and information such as other measurement is relevant.
In the WCDMA system, universal land radio access web (UTRAN, Universal TerrestrialRadio Access Network) system information in is by Broadcast Control Channel (BCCH, Broad CastControl Channel) is mapped to broadcast channel (BCH, Broadcast Channel) or forward access channel (FACH, Forward Access Channel) transmission channel to cell broadcasting system information.System message clocklike repeats usually.Wireless access control (RRC, Radio Resource Control) layer operation dispatching, segmentation and repetition.System information block (SIB, System Information Block) is formed by the system message unit combination with same characteristic.Different System information blocks has different characteristics and content, for example repetition rate and UE is read again the requirement of information.System information be organized as tree structure.Can comprise the schedule information of quoting schedule information piece (SB, Scheduling information Block) and System information block in explanation and the sub-district in the main message blocks (MIB, Main Information Block).The particular content that has then comprised current system message among each SIB.Main message blocks also can optionally comprise above-mentioned information (relevant one, two scheduling SB information and SIB information), and the schedule information of SIB can only be included among MIB or the SB.
Existing systems information broadcast mechanism, at third generation partner program (3GPP, ThirdGeneration Partnership Project) is described in the technical specification (TS) 25.331, for the broadcasting of SIB11 (System Information Block Type 11), the method that adopts RNC to send all adjacent areas, single sub-district is simultaneously broadcasted processing.UE receives the information of RNC broadcasting, empty local cell information tabulation (CELL_INFO_LIST) of preserving immediately, the broadcasted content of receiving, be kept at respectively in the cell information tabulation then according to frequently interior cell information tabulation (Intra-frequency cell info list), inter-frequency cell information list (Inter-frequency cell info list) and other wireless access technology cell informations tabulation (Inter-RAT cell info list).
SIB11 broadcasting, 32 of largest cell numbers and global system for mobile communications (GSM in when satisfying the 3GPP protocol definition, existing between the frequency in single cell system in 32 of largest cell numbers, the system frequently, Global System for Mobile Communications) during 32 of adjacent area largest cell numbers, the system information block of whole SIB11 outnumbers the maximum broadcast message block size of single.
The content that comprises when the system information block that will broadcast more for a long time, be when the system information broadcast amount of information is excessive in the broadcast type, the existing broadcast mechanism of utilization can't once be broadcasted all information contents in the same system type of information block, does not have the solution to this problem in the prior art.
Summary of the invention
Technical problem solved by the invention provides a kind of system information broadcasting method, effectively in the resolution system block of information during information maximum configured, and the correct broadcasting of system information block.
Technical scheme of the present invention is as follows:
System information broadcasting method comprises the steps:
(1) when in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content during above maximum Scheduling Block, the RNC transmit mechanism is changed into the broadcast mechanism of multicycle poll, and SIB11 system information block content is broadcasted by designated period in batches;
(2) after UE receives the system information of SIB11, do not empty the cell information tabulation, only empty the current information type adjacent area corresponding district information list of receiving.
Further, in the step (1), between the frequency of each broadcasting information be this sub-district all frequently between neighboring BS information; Perhaps, the frequency internal information of each broadcasting is all frequently interior neighboring BS information of this sub-district; Perhaps, the intersystem cell information of each broadcasting is neighboring BS information between all frequencies this sub-district in.
Further, in the step (1), when in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content when being no more than maximum Scheduling Block, the SIB11 of each broadcasting comprises between all frequencies of current area, the neighboring BS information between interior and system frequently.
Further, step (1) further comprises, the repeated broadcast cycle and the broadcast interval time of each batch broadcast message is set.
Further, in the step (1), when needs are broadcasted in two batches, after RNC assembles two batches information, send to Node B, Node B at first broadcasts first information, and first information broadcast stops first broadcasting after a period of time, the broadcasting of second batch of information of beginning, first broadcast message after the cycle, continues the broadcasting of first information in repeated broadcast, makes UE receive all information.
Further, in the step (1), between first broadcast system in adjacent area and the system frequently between neighboring BS information, in second batch of broadcast system frequently in neighboring BS information.
Further, in the step (2), the cell information tabulation that UE preserves is made up of three sub-information tables, be respectively system in inter-frequency cell information list, system in the interior cell information of frequency tabulate and the intersystem cell information list.
Further, in the step (2), when inter-frequency cell information in the system is arranged in the information, then empty the cell information tabulation content in the inter-frequency cell information list in the system down on the UE, in inter-frequency cell information list in the following system of cell information tabulation of inter-frequency cell information stores in the system among the SIB11 to the UE; Cell information in having in the system frequently in the information, then empty on the UE cell information tabulation down in the system frequently in content in the cell information tabulation, in cell information stores cell information tabulation on the UE into cell information tabulates in frequently in the system down in frequently in the system among the SIB11; Intersystem cell information is arranged in information, then empty content in the following intersystem cell information list of cell information tabulation on the UE, the intersystem cell information stores among the SIB11 is descended in the intersystem cell information list to the cell information tabulation on the UE.
Further, in the step (1), RNC package system information broadcast information is given UE by Iub interface or Uu interface transmitting system information broadcast message.
Further, in the step (1), the broadcasting of SIB11 is divided into two batches or three batches, in some cycles, and the broadcast message of taking turns.
Processing method when the invention provides the excessive maximum system block of information (16) that surpasses the 3GPP protocol definition of a kind of resolution system amount of information, utilize method shown in the present, in the time of can effectively guaranteeing in the system information block information maximum configured, the correct broadcasting of system information block.When the system information broadcast amount of information is excessive in the broadcast type, adjust broadcast mode and broadcast message content and subscriber equipment (UE, UserEquipment) processing both can be satisfied the existing systems information broadcast, the correct processing of information when simultaneously can also the guarantee information amount excessive.
Description of drawings
Fig. 1 is the system information broadcast message flow chart;
Fig. 2 is the flow chart of scheduling system information broadcasting and UE receiving system information broadcast.
Embodiment
The transmit mechanism of RNC be revised as that three class neighboring BS information can once be broadcasted all information or in the block of information content more for a long time, broadcast by designated period respectively in batches.After UE receives the system information of SIB11, do not empty the cell information tabulation, but empty the respective cell information list of current information type adjacent area of receiving respectively.The broadcasting of SIB11 can be in two batches or three batches, respectively the cycle broadcast message of taking turns.Adopt method of the present invention, change for UTRAN is, increase the interacting message of Iub interface, RNC alternately sends to Node B to three class adjacent area system information broadcast contents, the Node B cycle changes the broadcasted content of several (can be 1～3 batch) information, makes UE can receive whole system information contents.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, description is the system information broadcast message flow.RNC package system information broadcast information is given UE by Iub interface or Uu interface transmitting system information broadcast message.
As shown in Figure 2, description is scheduling system information broadcasting method and UE receiving system information broadcast and processing method.
System information broadcasting method comprises the steps:
Step 1: RNC changes transmit mechanism, adopts the broadcast mechanism of multicycle poll.
When in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content when being no more than maximum Scheduling Block, handle according to the 3GPP current mechanism, promptly the SIB11 of each broadcasting comprised between all frequencies of current area, frequently in and the neighboring BS information between system.
When in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content during above maximum Scheduling Block, divide two or three batches of broadcasting of carrying out SIB11.Simultaneously, the information between the frequency of each broadcasting of guaranteeing be this sub-district all frequently between neighboring BS information, the frequency internal information of perhaps each broadcasting is a neighboring BS information in all product of this sub-district, and perhaps the intersystem cell information of each broadcasting is neighboring BS information between all frequencies in this sub-district.The repeated broadcast cycle of first broadcast message during broadcasting need be provided with every batch in batches, and the broadcast interval time of every batch of information.In batches whether can carrying out on the RNC or on the Node B by turns of each cycle when the conversion of the SIB11 information content, begin new broadcast mechanism constantly from conversion and set with, and if broadcast the more new settings in broadcast mechanism cycle etc. in batches.
When needs are broadcasted in two batches, the repeated broadcast cycle of first broadcast message in two batches is set, and the broadcast interval time of two batches of information.
For example, between first broadcast system in adjacent area and the system frequently between neighboring BS information, in second batch of broadcast system frequently in neighboring BS information, the repeated broadcast cycle that each batch broadcast message is set is pt, the broadcast interval time of two batches of information is dt.RNC sends to Node B after assembling two batches information.Node B at the broadcast mechanism of Uu interface or Iub interface is, at first broadcasts first information, after first information broadcast time dt, stops first broadcasting, the broadcasting of second batch of information of beginning; First broadcast message is gone on the air pt after the time, stops the broadcasting of second batch of information, continues the broadcasting of first information, carries out the broadcasting of two category informations thus again and again, makes UE can receive all information.
After step 2: UE received the system information of SIB11, the processing method of UE was not empty the cell information tabulation, only empties the current information type adjacent area corresponding district information list of receiving.
In the existing 3GPP agreement, after UE receives system information broadcast information, empty the cell information tabulation on the current UE immediately, preserve the SIB11 content that receives then in the cell information tabulation.
Among the present invention, after UE receives system information broadcast information, receive and the change of cell information tabulation preservation mechanism.
The cell information tabulation that UE preserves is made up of three sub-information tables, comprises respectively: system in inter-frequency cell information list, system in the interior cell information of frequency tabulate and the intersystem cell information list;
After UE receives SIB11 information, if inter-frequency cell information in the system is arranged in the information, then empty the content in the inter-frequency cell information list in the following system of cell information tabulation on the UE, then according to the processing of 3GPP agreement, the cell information tabulation of inter-frequency cell information stores in the system among the SIB11 to the UE down in the system in the inter-frequency cell information list.
In the system frequently in sub-district, intersystem cell information processing identical with inter-frequency cell in the system.Cell information in having in the system frequently in the information, then empty on the UE cell information tabulation down in the system frequently in content in the cell information tabulation, in cell information stores cell information tabulation on the UE into cell information tabulates in frequently in the system down in frequently in the system among the SIB11; Intersystem cell information is arranged in information, then empty content in the following intersystem cell information list of cell information tabulation on the UE, the intersystem cell information stores among the SIB11 is descended in the intersystem cell information list to the cell information tabulation on the UE.
Claims (8)
1. a system information broadcasting method comprises the steps:
(1) when in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content when surpassing maximum Scheduling Block, the RNC transmit mechanism is changed into the broadcast mechanism of multicycle poll, SIB11 system information block content is divided into two batches or three batches by designated period to be broadcasted in batches, the information between the frequency of each broadcasting of guaranteeing simultaneously be this sub-district all frequently between neighboring BS information, perhaps, the frequency internal information of each broadcasting is all frequently interior neighboring BS information of this sub-district, perhaps, the intersystem cell information of each broadcasting is neighboring BS information between all frequencies this sub-district in; The repeated broadcast cycle and the broadcast interval time of each batch broadcast message wherein, need be set;
(2) after UE receives the system information of SIB11, do not empty the cell information tabulation, only empty the current information type adjacent area corresponding district information list of receiving.
2. system information broadcasting method according to claim 1, it is characterized in that, in the step (1), when in the system of configuration frequently between, in the system frequently in and the adjacent area number constitutes together between system SIB11 system information block content when being no more than maximum Scheduling Block, the SIB11 of each broadcasting comprises between all frequencies of current area, the neighboring BS information between interior and system frequently.
3. system information broadcasting method according to claim 1 is characterized in that, in the step (1), when needs are broadcasted in two batches, RNC sends to Node B after assembling two batches information, and Node B at first broadcasts first information, first information broadcast is after a period of time, stop first broadcasting, the broadcasting of second batch of information of beginning, first broadcast message is in repeated broadcast after the cycle, continue the broadcasting of first information, make UE receive all information.
4. system information broadcasting method according to claim 3 is characterized in that, in the step (1), between first broadcast system in adjacent area and the system frequently between neighboring BS information, in second batch of broadcast system frequently in neighboring BS information.
5. system information broadcasting method according to claim 1, it is characterized in that, in the step (2), the cell information tabulation that UE preserves is made up of three sub-information tables, be respectively system in inter-frequency cell information list, system in the interior cell information of frequency tabulate and the intersystem cell information list.
6. system information broadcasting method according to claim 5, it is characterized in that, in the step (2), when inter-frequency cell information in the system is arranged in the information, then empty the cell information tabulation content in the inter-frequency cell information list in the system down on the UE, in inter-frequency cell information list in the following system of cell information tabulation of inter-frequency cell information stores in the system among the SIB11 to the UE; Cell information in having in the system frequently in the information, then empty on the UE cell information tabulation down in the system frequently in content in the cell information tabulation, in cell information stores cell information tabulation on the UE into cell information tabulates in frequently in the system down in frequently in the system among the SIB11; Intersystem cell information is arranged in information, then empty content in the following intersystem cell information list of cell information tabulation on the UE, the intersystem cell information stores among the SIB11 is descended in the intersystem cell information list to the cell information tabulation on the UE.
7. system information broadcasting method according to claim 1 is characterized in that, in the step (1), RNC package system information broadcast information is given UE by Iub interface or Uu interface transmitting system information broadcast message.
8. system information broadcasting method according to claim 1 is characterized in that, in the step (1), the broadcasting of SIB11 is divided into two batches or three batches, in predetermined period, and the broadcast message of taking turns.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610099372XA CN101111057B (en) | 2006-07-19 | 2006-07-19 | System information broadcasting method |
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| CN200610099372XA CN101111057B (en) | 2006-07-19 | 2006-07-19 | System information broadcasting method |
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| CN101111057A CN101111057A (en) | 2008-01-23 |
| CN101111057B true CN101111057B (en) | 2010-06-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101631323B (en) * | 2009-07-30 | 2012-03-21 | 京信通信系统（中国）有限公司 | Base station system broadcast control message transmitting method and device thereof |
| CN102131230B (en) * | 2010-01-14 | 2013-08-14 | 普天信息技术研究院有限公司 | Method for processing Iur-g interface messages |
| CN108141815A (en) * | 2015-08-14 | 2018-06-08 | 瑞典爱立信有限公司 | System information broadcast in wireless network |
| CN106507483A (en) * | 2015-09-08 | 2017-03-15 | 北京信威通信技术股份有限公司 | The method that a kind of notice adjacent area system broadcasts change |
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| CN1489877A (en) * | 2001-02-02 | 2004-04-14 | ��˹��ŵ�� | Method and system for inter-operator handover between WCDMA and GSM |
| CN1491498A (en) * | 2001-02-16 | 2004-04-21 | ��˹��ŵ�� | Method and device for downlink packet switching |
| CN1571541A (en) * | 2004-04-22 | 2005-01-26 | 中兴通讯股份有限公司 | Short message transmitting method for PCS short message system |
| EP1565020A1 (en) * | 2004-02-12 | 2005-08-17 | M-Stack Limited | Method and apparatus for applying information elements in a defined order |
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- 2006-07-19 CN CN200610099372XA patent/CN101111057B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489877A (en) * | 2001-02-02 | 2004-04-14 | ��˹��ŵ�� | Method and system for inter-operator handover between WCDMA and GSM |
| CN1491498A (en) * | 2001-02-16 | 2004-04-21 | ��˹��ŵ�� | Method and device for downlink packet switching |
| EP1565020A1 (en) * | 2004-02-12 | 2005-08-17 | M-Stack Limited | Method and apparatus for applying information elements in a defined order |
| CN1571541A (en) * | 2004-04-22 | 2005-01-26 | 中兴通讯股份有限公司 | Short message transmitting method for PCS short message system |
Non-Patent Citations (2)
| Title |
|---|
| 3GPP TS 25.331 V5.17.0.2006,第309页至315页,第860页至第861页. |
| 3GPP TS 25.331 V5.17.0.2006,第309页至315页,第860页至第861页. * |
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