CN102149195A - Method and system for processing public configuration information - Google Patents
Method and system for processing public configuration information Download PDFInfo
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- CN102149195A CN102149195A CN2010101104480A CN201010110448A CN102149195A CN 102149195 A CN102149195 A CN 102149195A CN 2010101104480 A CN2010101104480 A CN 2010101104480A CN 201010110448 A CN201010110448 A CN 201010110448A CN 102149195 A CN102149195 A CN 102149195A
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Abstract
The invention discloses a method and a system for processing public configuration information. The method comprises the following steps that: a relay node (RN) which is in a connection state receives a special radio resource control (RRC) signaling or a system broadcasting message from a base station; and the RN updates the public configuration information according to the public configuration information carried in the special RRC signaling or the system broadcasting message, wherein the public configuration information at least comprises one of cell public configuration information and RN public configuration information. By the method, the RN can acquire the public configuration information according to different states.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of common configuration information processing method and system.
Background technology
3G (Third Generation) Moblie Long Term Evolution (Long Term Evolution, abbreviating LTE as) system is third generation partnership project (Third Generation Partnership Projects, abbreviate 3GPP as) development new wireless communication system, this system is based on OFDM (Orthogonal Frequency Division Multiple Access is called for short OFDMA) technology.Compare with existing wireless communication technology, advantage such as the anti-interference that LTE has that data transfer bandwidth is big, spectrum efficiency is high, disturb the wireless signal multipath is good is the major technique of next generation communication system.
The LTE system is by universal land radio access web (the Evolved UniversalTerrestrial Radio Access Network of evolution, abbreviate E-UTRAN as), subscriber equipment (UserEquipment, abbreviation UE) packet-based core networks (Evolved Packet Core abbreviates EPC as) of (also can be called terminal), evolution are formed.Fig. 1 is the schematic diagram of the E-UTRAN network configuration of prior art, as shown in Figure 1, E-UTRAN is by base station (E-UTRAN NodeB, abbreviate eNB as) form, eNB is by S1 interface and Mobility Management Entity (Mobile Management Entity, be called for short MME) and the S-GW link, connect by X2 interface between two eNB.
UE obtains common configuration information by system information, and system information also is the important means that network side is configured UE.In the LTE system, system information is divided into 3 parts: Master Information Block (Master Information Block, abbreviate MIB as), system information block (System Information Block, be called for short SIB) 1 and other system information block, wherein, other system information block comprises the other system block of information except that SIB1, for example, SIB2.If follow-up also have system information to need to send, do not get rid of the possibility that continues to increase system information.Below MIB and SIB are described in detail.
MIB comprises downlink bandwidth, the automatic repeat requests of physical mixed (Hybrid AutomaticRepeat Request, abbreviate HARQ as) indicating channel (Physical HARQ IndicatorChannel, abbreviation PHICH) configuration information, three parts of System Frame Number (System Frame Number abbreviates SFN as).UE goes up at Physical Broadcast Channel (Physical BroadcastChannel abbreviates PBCH as) (that is, running time-frequency resource is fixed) and receives MIB.
SIB1 comprises the schedule information of sub-district access information and other SIB.UE goes up at Physical Downlink Shared Channel (Physical Downlink Shared Channel abbreviates PDSCH as) and receives SIB1, and its time-domain resource is fixed.
SIB2 comprises public shared channel information; SIB3 comprises the sub-district gravity treatment information of Serving cell (serving cell); SIB4 comprises the sub-district gravity treatment information of adjacent area co-frequency cell; SIB5 comprises the sub-district gravity treatment information of adjacent area alien-frequency district; SIB6 comprises the sub-district gravity treatment information of adjacent area universal land radio access web (Universal Terrestrial Radio Access Network abbreviates UTRAN as) sub-district; SIB7 comprises the sub-district gravity treatment information on GSM EDGE Radio Access Network (GSM/EDGE Radio Access Network the abbreviates GERAN as) frequency; SIB8 comprises the sub-district gravity treatment information of CDMA2000 sub-district, adjacent area; SIB9 comprises Home eNodeB sign (Home NodeB Identity abbreviates HNBID as); SIB10 comprises main earthquake and tsunami warning system (Earthquake and Tsunami WarningSystem abbreviates ETWS as) information; SIB11 comprises less important ETWS information; SIB12 comprises commercial mobile phone early warning system (Commercial Mobile Alert System abbreviates CMAS as) information.UE receives these SIB on PDSCH, its time-domain resource is indicated by the schedule information among the SIB1.At present, the label of SIB and may constantly increase from SIB1 to SIB12 in the LTE system.
UE need obtain system information in following scene: 1) during cell selecting; 2) during the gravity treatment of sub-district; 3) switching is finished; 4) enter E-UTRAN from other wireless access networks; 5) get back in the cell coverage area; 6) receive beep-page message indication updating system information, or receive ETWS, or receive CMAS; 7) receive the high-rise indication of CDMA2000; 7) term of validity of arrival system information.
On the basis of LTE system, 3GPP is just continuing to develop senior Long Term Evolution (Long-Term Evolution advance abbreviates LTE-Advanced as) standard.LTE-A has adopted such as spectrum aggregating (Carrier Aggregation, abbreviate CA as), wireless relay (Relay), high-order multiple-input and multiple-output (Multiple Input Multiple Output, be called for short MIMO) etc. technology, can realize higher systematic function.
Wireless relay is one of technology of being supported of LTE-A system, Fig. 2 is the schematic diagram of network configuration of the employing wireless relay technology of prior art, as shown in Figure 2, wireless relay apparatus is connected by wireless signal with the existing network base station, and provide service to the UE in the own coverage, thereby the realization coverage extension reduces covering the dead angle, shifts purposes such as hot zones load.
In the LTE-A system, with via node (Relay Node, abbreviating RN as) base station of carrying out wireless connections is referred to as " donor base station " (Donor eNB, abbreviate DeNB as), Radio Link between Donor eNB and the RN is called back haul link (backhaul link), and its air interface is called the Un interface.Radio Link between RN and the UE is called access link (access link), and its air interface also can be called the Uu interface.RN serves as an eNB role for the UE of its service, then serves as a UE role for its Donor eNB.In data transmission procedure, downlink data arrives Donor-eNB earlier, and then passes to RN, and RN transfers to UE again, otherwise then up.
The LTE-A system mainly uses " first kind wireless relay " (Type 1 Relay), first kind wireless relay is meant the wireless relay apparatus (node) that possesses following technical characterictics: for the UE under the via node service, the formed new sub-district of via node is an individual cell, is different from Donor eNB sub-district; There is oneself independently physical area identification (Physical Cell ID abbreviates PCI as) the Relay sub-district, and physical signallings such as the synchronizing signal of broadcasting oneself in the sub-district and reference signal; UE under the via node service directly receives up-downgoing scheduling and feedback information from via node, also directly sends ascending control information to via node; Concerning the UE of LTE version 8 (abbreviating Rel 8 as), Relay sub-district and common Rel 8 eNB sub-districts are as broad as long.
Consider that network side is different with the configuration to UE to the configuration of RN, promptly for the common configuration information of RN with different for the common configuration information of UE, RN can't obtain the common configuration information of RN according to the method for existing receiving system message when the UE to its relaying sub-district provides service.
Summary of the invention
Main purpose of the present invention is to provide a kind of common configuration information processing scheme, to address the above problem at least.
According to an aspect of the present invention, provide a kind of common configuration information processing method, may further comprise the steps: the via node that is in connection status receives from the dedicated radio resources of base station controls RRC signaling or system broadcast message; And via node upgrades common configuration information according to the common configuration information of carrying in special RRC signaling or the system broadcast message, and wherein, it is one of following that common configuration information comprises at least: sub-district common configuration information, via node common configuration information.
Preferably, before via node received the special RRC signaling, said method also comprised: under the situation of via node handover success, via node sends the special RRC signaling that is used to indicate handover success to the base station.
Preferably, send at via node before the special RRC signaling of indication handover success, said method also comprises: via node receives and is used to indicate via node to switch to the special RRC signaling of base station, wherein, be used for indicating the special RRC signaling of switching to carry the common configuration information of the Target cell that switches to; Under the situation of via node handover success, via node receives the special RRC signaling; Via node upgrades common configuration information and comprises: the via node deletion is used for indicating the common configuration information of the Target cell that the special RRC signaling of switching carries, and adopts the common configuration information of carrying in the special RRC signaling to upgrade common configuration information.
Preferably, being used to indicate the special RRC signaling of handover success is that RRC connects to reshuffle and finishes message.
Preferably, via node to the base station send be used to indicate the special RRC signaling of handover success after, before via node sent the special RRC signaling, said method also comprised in the base station: via node sends the special RRC signaling that is used to ask to upgrade common configuration information of the sign that carries via node to the base station according to the common configuration information of Target cell.
Preferably, before via node receives the special RRC signaling, said method also comprises: the common configuration information that via node keeps arrives the maximum term of validity, and via node adopts the common configuration information that keeps to send the special RRC signaling that is used to ask to upgrade common configuration information that carries via node to the base station.
Preferably, before via node received the special RRC signaling, said method also comprised: under via node state transition case of successful, via node sends the special RRC signaling that is used to notify via node state transition success to the base station.
Preferably, before via node sent the successful special RRC signaling of indicating status migration, via node migrated to connection status by idle condition; Under via node state transition case of successful, via node receives the special RRC signaling; Via node upgrades common configuration information and comprises: deletion receive from the base station be used for indicate via node to carry out the special RRC signaling of state transition or the common configuration information that system broadcast message is carried, and adopt the common configuration information of carrying in the special RRC signaling to upgrade common configuration information.
Preferably, the special RRC signaling that is used to indicate via node to carry out state transition is one of following, and: RRC connects and sets up message, RRC connection re-establishment message, RRC and connect reconfiguration message; Be used to notify via node state transition success special RRC signaling correspondence for one of following: RRC connection setup complete message, RRC connection re-establishment are finished message, RRC and are connected to reshuffle and finish message.
Preferably, via node to the base station send be used to indicate the special RRC signaling of state transition success after, before via node receives the special RRC signaling, above-mentionedly also comprise: via node is used to indicate via node to carry out the special RRC signaling of state transition or common configuration information that system broadcasts is carried carry the special RRC signaling that is used to ask to upgrade common configuration information from the sign of via node to the base station transmission.
Preferably, if via node successfully upgrades common configuration information, then transmission is used to indicate via node successfully to upgrade the special RRC signaling of common configuration information to the base station; Otherwise via node migrates to idle condition.
Preferably, via node uses the common configuration information of carrying in the special RRC signaling to upgrade local common configuration information of preserving to comprise: whether the sign in the common configuration information of the sign of the common configuration information of carrying in the relay node judges special RRC signaling and via node reservation is consistent, and the inconsistent common configuration information of new logo more.
Preferably, the sub-district common configuration information is the configuration information that the via node of idle condition and connection status all needs; The via node common configuration information is the via node configuration information needed that possesses relay function, wherein, the via node that possesses relay function refer to can between base station and the via node, the via node of the relay function of data forwarding is provided between via node and the user terminal.
Preferably, be in the system broadcast message of the via node reception of idle condition, and upgrade common configuration information according to the common configuration information of carrying in the system broadcasts from the base station.
Preferably, before via node receiving system broadcast, said method also comprises: the common configuration information that via node keeps arrives the maximum term of validity, and the via node deletion arrives the common configuration information of the maximum term of validity.
According to a further aspect of the invention, a kind of common configuration information treatment system also is provided, comprise via node and base station, the base station comprises: sending module is used for sending dedicated radio resources control RRC signaling or system broadcast message to the via node that is in connection status; Via node comprises: receiver module is used to receive special RRC signaling or system broadcast message from the base station; Update module, the common configuration information that is used for using special RRC signaling or system broadcast message to carry is upgraded common configuration information, and wherein, it is one of following that common configuration information comprises at least: sub-district common configuration information, via node common configuration information.
By the present invention, employing is in the radio resource control signaling of the via node reception of via node connection status from the base station, and the common configuration information of carrying in the use radio resource control signaling is upgraded the local common configuration information that keeps, solved that RN can't obtain the problem of RN common configuration information in the correlation technique, and then made the RN can be according under different conditions, getting access to common configuration information.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the E-UTRAN network configuration of prior art;
Fig. 2 is the schematic diagram of network configuration of the employing wireless relay technology of prior art;
Fig. 3 is the structured flowchart according to the common configuration information treatment system of the embodiment of the invention;
Fig. 4 is the flow chart according to the processing method of the common configuration information of the embodiment of the invention;
Fig. 5 is the flow chart according to the preferred embodiment one of the embodiment of the invention;
Fig. 6 is the flow chart according to the preferred embodiment two of the embodiment of the invention;
Fig. 7 is the flow chart according to the preferred embodiment three of the embodiment of the invention;
Fig. 8 is the flow chart according to the preferred embodiment five of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
In embodiments of the present invention, provide a kind of common configuration information treatment system, comprised via node and base station, Fig. 3 is that as shown in Figure 3, the base station comprises according to the structured flowchart of the common configuration information treatment system of the embodiment of the invention: sending module 32; Via node comprises: receiver module 34, update module 36 are described in detail this system below.
The base station comprises: sending module 32, this module are used for sending signaling (for example, special RRC signaling) or system broadcast message to the via node that is in the via node connected state.
Via node comprises: receiver module 34, this module are used to receive signaling or the system broadcast message from the base station; Update module 36 is connected to receiver module 34, the common configuration information that this module is used for using signaling to carry is upgraded the local common configuration information that keeps, wherein, common configuration information comprises one of following at least: sub-district common configuration information, via node common configuration information.
The RN that is in RN connected state (being connection status) possesses relay function, promptly, this RN not only can be used as a UE and carry out transfer of data with the base station in macrocell, can also be as the sub-district of a base station maintenance oneself, wherein, relay station safeguards that own sub-district comprises: the UE in the management sub-district, and the sub-district in UE carry out transfer of data.
Particularly, the function that this RN possessed comprises: obtain system information between base station and RN, measure and report, switch, the function that control channel (R-PDCCH) and shared channel (R-PDSCH/R-PUSCH) by the RN special use carries out transfer of data, manage an one's own sub-district, wherein, the sub-district of managing oneself comprises the system information that sends self, management belongs to the terminal of self, and the office terminal further comprises the measuring process of office terminal, the handoff procedure of office terminal, between RN and terminal, carry out function of transfer of data etc. by control channel (PDCCH) and shared channel (PDSCH/PUSCH).
Need to prove, RN also comprises two other state: idle condition and UE connected state, wherein, idle condition comprises: RN is in idle condition when initially powering on, Radio Link is in idle condition etc. after rebuilding upright failure, this moment, RN had all or part of function identical with the UE that is in idle condition, for example obtain system information, measure and cell selecting/gravity treatment etc.The RN that is in the UE connected state has all or part of function identical with the UE that is in connection status, for example obtain system information, measure and report, switch, between base station and RN, carry out data-transformation facility etc. by control channel (PDCCH) and shared channel (PDSCH/PUSCH), this moment, RN did not possess relay function, be that RN under this state is only to carry out transfer of data with the base station as a UE in macrocell, cannot can't make terminal pass through self access network as the sub-district of a base station maintenance oneself.Connect dispose procedure by Radio Resource control (Radio Resource Control abbreviates RRC as), RN can be by migrating to idle condition as the UE connection status.
In an embodiment of the present invention, the common configuration information that RN may obtain has: the frequency of macrocell, bandwidth, System Frame Number (system Frame Number), relevant information is inserted in the sub-district, the cell selecting relevant information, the common configuration information of timer and constant, logic channel, the common configuration information of physical channel, detection reference signal (Sounding ReferenceSignal, abbreviate SRS as) common configuration information, the common configuration information of uplink power control, the length of uplink cycle prefix, the common configuration information of the PDCCH of RN special use (R-PDCCH), wherein, logic channel comprises: Random Access Channel (Random AccessChannel, abbreviate RACH as), Broadcast Control Channel (Broadcast Control Channel, abbreviate BCCH as), Paging Control Channel (Paging Control Channel, abbreviate PCCH as), physical channel comprises: Physical HARQ Indicator Channel (Physical HARQIndicator Channel, abbreviate PHICH as), Physical Random Access Channel (PhysicalRandom Access Channel, abbreviate PRACH as), Physical Downlink Shared Channel (Physical Downlink Shared Channel, abbreviate PDSCH as), Physical Uplink Shared Channel (Physical Uplink Shared Channel, abbreviate PUSCH as), Physical Uplink Control Channel (Physical Uplink Control Channel abbreviates PUCCH as).Need to prove: also comprise TDD configuration (TDD-Config) in time division duplex (Time Division Duplex the abbreviates TDD as) scene.
Above-mentioned common configuration information can be divided three classes, promptly, sub-district common configuration information, UE common configuration information, RN common configuration information, wherein, the sub-district common configuration information comprises it being the common configuration information that the RN of which kind of state needs, for example: the frequency of macrocell, bandwidth, System Frame Number also comprise the TDD configuration in the TDD scene.The UE common configuration information comprises the common configuration information of the RN needs of idle condition, UE connected state, the unwanted common configuration information of the RN of RN connected state.The RN common configuration information comprises the common configuration information of the RN needs of RN connected state, the unwanted common configuration information of RN of idle condition, UE connected state.For example, common configuration information of R-PDCCH etc.
In addition, insert the common configuration information, logic channel, the common configuration information of physical channel, the common configuration information of detection reference signal, the common configuration information of uplink power control, the length of uplink cycle prefix of relevant information, cell selecting relevant information, timer and constant for the sub-district, if there is the configuration (RN that is the RN connected state adopts different configurations with the RN of idle condition or UE connected state) of RN special use, then the configuration of RN special use belongs to the RN common configuration information, and the configuration of non-RN special use belongs to the UE common configuration information; There is not the configuration of RN special use else if, then belongs to the sub-district common configuration information.
Corresponding to above-mentioned system, a kind of common configuration information processing method also is provided in the present embodiment, Fig. 4 is the processing method according to the common configuration information of the embodiment of the invention, as shown in Figure 4, this method may further comprise the steps:
Step S402 is in radio resource control signaling or the system broadcast message of the via node reception of via node connected state from the base station; And
Step S404, via node uses the common configuration information of carrying in radio resource control signaling or the system broadcast message to upgrade the local common configuration information that keeps, wherein, common configuration information comprises one of following at least: sub-district common configuration information, via node common configuration information.
To step S404, the RN that is in the RN connected state just can get access to common configuration information by above-mentioned steps S402, and wherein, the RN of RN connected state can also obtain the UE common configuration information alternatively.The RN of the RN of idle condition, UE connected state obtains sub-district common configuration information and UE common configuration information, can obtain sub-district common configuration information, UE common configuration information and renewal thereof by system message, its concrete grammar is same as the prior art, repeat no more in the present embodiment, preferably, the RN of the RN of idle condition, UE connected state can also obtain the RN common configuration information.
Be described in detail below in conjunction with the preferred embodiment of accompanying drawing present embodiment.In following example, the method that RN obtains the sub-district common configuration information is identical with the method for obtaining the RN common configuration information, is not therefore distinguished to be referred to as common configuration information.Wherein, preferred embodiment one to preferred embodiment four is explanations that RN under the different scenes is obtained common configuration information, and wherein, example one is that common configuration information changes; Example two is to switch; Example three is that the common configuration information that RN keeps arrives the maximum term of validity; Example four is that the RN state changes.Example five and example six are the explanations of respectively idle condition and UE connected state RN being obtained the RN common configuration information.
Preferred embodiment one
Fig. 5 is that this flow process may further comprise the steps according to the flow chart of the preferred embodiment one of the embodiment of the invention:
Step S502, the base station (for example sends the special RRC signaling, RRC connects reconfiguration message) notice RN, RN upgrades corresponding common configuration information according to the part or all of common configuration information of carrying in this special RRC signaling, perhaps RN judges according to the sign of carrying in the special RRC signaling (valuetag), if it is consistent with the valuetag of its reservation, then do not upgrade the common configuration information of valuetag correspondence, if it is inconsistent then upgrade the common configuration information of valuetag correspondence, wherein, the valuetag of the valuetag of sub-district common configuration information and RN common configuration information can be identical, also can be different.
Step S504, RN are after upgrading successfully, and RN sends special RRC signaling (for example the RRC connection is reshuffled and finished message) feedback and receives successfully.RN migrates to idle condition after upgrading failure.Need to prove that this step is optional.
Preferred embodiment two
Fig. 6 is that this flow process may further comprise the steps according to the flow chart of the preferred embodiment two of the embodiment of the invention:
Step S602, source base station (for example sends switching command, the RRC that carries mobility management information mobilityControlInfo connects reconfiguration message) switch to RN indication RN, RN upgrades corresponding common configuration information according to the sub-district common configuration information and the RN common configuration information of the Target cell that carries in the switching command.
In this step, if employing prior art, then under the common configuration information of the Target cell situation consistent with the common configuration information of cell-of-origin, in switching command, do not indicate, UE will adopt the configuration of cell-of-origin this moment, for example, RACH, PDSCH, PHICH, PUCCH, SRS, uplink power control, the relevant common configuration information of antenna.In this example, the processing of RN is different therewith, if the common configuration information of Target cell is consistent with the UE common configuration information of cell-of-origin, then must in switching command, indicate, because do not carry information in the switching command, if do not indicate then RN only can adopt the sub-district common configuration information or the RN common configuration information of cell-of-origin, and can not adopt the UE common configuration information.That is, in this step, under the common configuration information of the purpose sub-district situation consistent, carry in the switching command and be used to indicate via node to adopt the indication information of the terminal common configuration information of cell-of-origin with the terminal common configuration information of the cell-of-origin of switching.
Step S604, upgrade successfully after, RN sends special RRC signaling (for example RRC connect to reshuffle finish message) feedback handover success.
In the prior art owing to only transmitted necessary part system information in the handoff procedure in the switching command, thereby so UE switch to upgrade immediately behind the Target cell and obtain whole system informations.In this example, after switching is finished, also carry out waiting for that (for example RRC connects reconfiguration message to base station transmission special RRC signaling after step S606:RN switches to Target cell, in order to distinguish, this special RRC signaling is called the first special RRC signaling) notice, after RN receives the special RRC signaling its handle with example one in identical, include according to the common configuration information of carrying in the special RRC signaling and upgrade, perhaps judge the back renewal, do not repeat them here according to the valuetag that carries in the special RRC signaling.Different with example one is, the via node deletion is used for indicating the common configuration information of the Target cell that the special RRC signaling of switching carries, and adopts the common configuration information of carrying in the first special RRC signaling to upgrade described common configuration information.
Preferably, before step S606, RN can adopt configuration information transmission special RRC signaling to upgrade to base station requests, wherein, carries the sign (for example target BS is distributed to the C-RNTI of RN) of RN.
Preferred embodiment three
When sub-district common configuration information that RN keeps or RN common configuration information arrived the maximum term of validity, information that the RN deletion keeps and state transition were to idle condition; Perhaps adopt the information that keeps to send the special RRC signaling and upgrade to base station requests, Fig. 7 is that this flow process comprises the steps: according to the flow chart of the preferred embodiment three of the embodiment of the invention
Step S702, RN sends the RRC signaling that is used to ask to upgrade configuration to the base station, and wherein this RRC signaling comprises the identification information (for example, base station assigns is given the C-RNTI of RN) of RN at least.
Step S704, RN wait for that the base station sends special RRC signaling (connecting reconfiguration message as RRC) notice after sending the RRC signaling, after receiving the special RRC signaling its processing identical with example one, do not repeat them here.
Preferably, if do not receive the special RRC signaling that carries common configuration information after the certain hour, then the information of RN deletion reservation and state transition are to idle condition.
Preferred embodiment four
(base station sends to RN and is used to indicate the special RRC signaling of carrying out state transition when RN migrates to the RN connected state by idle condition or UE connected state, as, RRC connect set up message, RRC connection re-establishment message, RRC and connect reconfiguration message), because RN may be incomplete by the configuration information that is used for indicating the special RRC signaling of carrying out state transition to obtain before migration, therefore move successfully afterwards, RN need upgrade configuration information.
RN waits for that the base station sends special RRC signaling (for example, RRC connects reconfiguration message) and notifies, receive the special RRC signaling after its processing similar to example one with embodiment two, do not repeat them here.Preferably, before this, the RN of UE connected state can adopt configuration information transmission special RRC signaling to upgrade to base station requests, wherein carries the sign (for example, base station assigns is given the C-RNTI of RN) of RN.
Preferably, the base station can receive be used to notify described via node state transition success the special RRC signaling (for example, message is finished in RRC connection setup complete message, RRC connection re-establishment, the RRC connection is reshuffled and finished message) afterwards, send the special RRC signaling that carries common configuration information to described via node.
Need to prove, RRC connects and to set up message, RRC connection re-establishment message, RRC and connect reconfiguration message and finish message, RRC with RRC connection setup complete message, RRC connection re-establishment respectively and connect and reshuffle that to finish message corresponding, for example, carry out state transition if message indication via node is set up in transmission RRC connection, then via node transmission RRC connection setup complete message notify status moves successfully.
Preferred embodiment five
How the RN of this example explanation idle condition obtains the RN common configuration information, and wherein, the RN common configuration information comprises the R-PDCCH configuration information at least, and following one of at least: the RACH configuration information of RN special use, the PRACH configuration information of RN special use.If the configuration of Un descending sub frame is a common configuration, then also to comprise Un descending sub frame configuration information.
(for example, webmaster (operation management maintain, Operation, Administration, Maintenance are called for short OAM) triggers RN and enters the RN connected state RN, and then RN needs to obtain the RN common configuration information in idle condition (before being state transition).Wherein, be in the system broadcast message of the via node reception of idle condition, and upgrade common configuration information according to the common configuration information of carrying in the system broadcasts from the base station.Fig. 8 is the flow chart according to the preferred embodiment five of the embodiment of the invention, and as shown in Figure 8, the flow process that RN obtains the RN common configuration information in idle condition comprises the steps:
Step S802, the base station is broadcasting RN common configuration information (as a SIB message) in supporting the sub-district that RN inserts;
Step S804, the schedule information (for example, cycle si-Periodicity, length of window si-WindonLength) of RN common configuration information is indicated in the base station in SIB1, preferably, can also indicate the sign (valuetag) of RN common configuration information in SIB1.
Step S806, RN obtain MIB and SIB1 (concrete acquisition methods is same as the prior art, does not repeat them here), and receive the RN common configuration information according to the schedule information of the RN common configuration information of indicating among the SIB1.
Preferred embodiment six
How the RN of this example explanation UE connected state obtains the RN common configuration information.The RN common configuration information comprises the R-PDCCH configuration information at least.If the configuration of Un descending sub frame is a common configuration, then also to comprise Un descending sub frame configuration information.
(for example, OAM) trigger RN and enter the RN connected state, then RN needs to obtain the RN common configuration information at UE connected state (before being state transition) to RN.RN sends the special RRC signaling and upgrades to base station requests, the identification information that wherein carries RN (for example, base station assigns is given the C-RNTI of RN), then, wait for that the base station sends special RRC signaling (for example RRC connects reconfiguration message) notice, processing after receiving the special RRC signaling is identical with example one, does not repeat them here.
Base station triggers RN enters the RN connected state, and then RN needs to obtain the RN common configuration information at UE connected state (before being state transition).The base station sends special RRC signaling (for example RRC connects reconfiguration message) notice RN, and it was handled with identical with example one after RN received the special RRC signaling, did not repeat them here.
In sum, pass through the above embodiment of the present invention, solved the problem that RN in the correlation technique can't obtain the RN common configuration information, make the RN of different RRC states, and possess or do not possess at the RN that relay function is provided between base station and the via node, between via node and user, obtain dissimilar common configuration information.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a common configuration information processing method is characterized in that, may further comprise the steps:
The via node that is in connection status receives from the dedicated radio resources of base station controls RRC signaling or system broadcast message; And
Described via node upgrades common configuration information according to the common configuration information of carrying in described special RRC signaling or the system broadcast message, wherein, described common configuration information comprises one of following at least: sub-district common configuration information, via node common configuration information.
2. method according to claim 1, it is characterized in that, before described via node receives described special RRC signaling, also comprise: under the situation of described via node handover success, described via node sends the special RRC signaling that is used to indicate handover success to described base station.
3. method according to claim 2, it is characterized in that, send at via node before the special RRC signaling of described indication handover success, also comprise: described via node receives and is used to indicate described via node to switch to the special RRC signaling of described base station, wherein, the described special RRC signaling that is used for indicating switching carries the common configuration information of the Target cell that switches to;
Under the situation of via node handover success, described via node receives described special RRC signaling; Described via node upgrades described common configuration information and comprises: the deletion of described via node is described to be used for indicating the common configuration information of the described Target cell that the special RRC signaling of switching carries, and adopts the common configuration information of carrying in the described special RRC signaling to upgrade described common configuration information.
4. method according to claim 2 is characterized in that, the described special RRC signaling that is used to indicate handover success is that RRC connects to reshuffle and finishes message.
5. method according to claim 3, it is characterized in that, described via node to described base station send be used to indicate the special RRC signaling of handover success after,, also comprised before described via node sends described special RRC signaling in described base station: described via node sends the special RRC signaling that is used to ask to upgrade described common configuration information of the sign that carries described via node to the base station according to the common configuration information of described Target cell.
6. method according to claim 1, it is characterized in that, before described via node receives described special RRC signaling, also comprise: the common configuration information that described via node keeps arrives the maximum term of validity, and described via node adopts the common configuration information that keeps to send the special RRC signaling that is used to ask to upgrade described common configuration information that carries described via node to the base station.
7. method according to claim 1, it is characterized in that, before described via node receives described special RRC signaling, also comprise: under described via node state transition case of successful, described via node sends the special RRC signaling that is used to notify described via node state transition success to described base station.
8. method according to claim 7 is characterized in that, before described via node sent the successful special RRC signaling of indicating status migration, described via node migrated to connection status by idle condition;
Under via node state transition case of successful, described via node receives described special RRC signaling; Described via node upgrades described common configuration information and comprises: deletion receive from described base station be used for indicate described via node to carry out the special RRC signaling of state transition or the common configuration information that system broadcast message is carried, and adopt the common configuration information of carrying in the described special RRC signaling to upgrade described common configuration information.
9. method according to claim 8 is characterized in that, the described special RRC signaling that is used to indicate described via node to carry out state transition is one of following, and: RRC connects and sets up message, RRC connection re-establishment message, RRC and connect reconfiguration message; The described special RRC signaling correspondence that is used to notify described via node state transition success for one of following: RRC connection setup complete message, RRC connection re-establishment are finished message, RRC and are connected to reshuffle and finish message.
10. method according to claim 8, it is characterized in that, described via node to described base station send be used to indicate the special RRC signaling of state transition success after, before described via node receives described special RRC signaling, also comprise: described via node adopts and describedly is used to indicate described via node to carry out the special RRC signaling of state transition or common configuration information that system broadcasts is carried send the special RRC signaling that is used to ask to upgrade described common configuration information from the sign that carries described via node to the base station.
11. method according to claim 1 is characterized in that, if described via node successfully upgrades described common configuration information, then is used to indicate described via node successfully to upgrade the special RRC signaling of described common configuration information to the transmission of described base station; Otherwise described via node migrates to idle condition.
12. according to each described method in the claim 1 to 11, it is characterized in that, described via node uses the common configuration information of carrying in the described special RRC signaling to upgrade described local common configuration information of preserving to comprise: whether the sign in the common configuration information of the sign of the common configuration information of carrying in the described special RRC signaling of described relay node judges and described via node reservation is consistent, and the inconsistent common configuration information of new logo more.
13., it is characterized in that described sub-district common configuration information is the configuration information that the via node of idle condition and connection status all needs according to each described method in the claim 1 to 11; Described via node common configuration information is the via node configuration information needed that possesses relay function, wherein, the described via node that possesses relay function refer to can between base station and the via node, the via node of the relay function of data forwarding is provided between via node and the user terminal.
14. method according to claim 1 is characterized in that, is in the system broadcast message of the via node reception of idle condition from described base station, and upgrades described common configuration information according to the common configuration information of carrying in the described system broadcasts.
15. method according to claim 14, it is characterized in that, before described via node receives described system broadcast message, also comprise: the common configuration information that described via node keeps arrives the maximum term of validity, and described via node deletion arrives the common configuration information of the maximum term of validity.
16. a common configuration information treatment system comprises via node and base station, it is characterized in that:
Described base station comprises: sending module is used for sending dedicated radio resources control RRC signaling or system broadcast message to the via node that is in connection status;
Described via node comprises: receiver module is used to receive described special RRC signaling or system broadcast message from the base station; Update module, the common configuration information that is used for using described special RRC signaling or system broadcast message to carry is upgraded common configuration information, wherein, described common configuration information comprises one of following at least: sub-district common configuration information, via node common configuration information.
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Application publication date: 20110810 |