CN102469536A - Method for reporting type information, method for determining type of relay node (RN), system and equipment - Google Patents
Method for reporting type information, method for determining type of relay node (RN), system and equipment Download PDFInfo
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- CN102469536A CN102469536A CN2010105331055A CN201010533105A CN102469536A CN 102469536 A CN102469536 A CN 102469536A CN 2010105331055 A CN2010105331055 A CN 2010105331055A CN 201010533105 A CN201010533105 A CN 201010533105A CN 102469536 A CN102469536 A CN 102469536A
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Abstract
The embodiment of the invention discloses a method for reporting type information, a method for determining the type of a relay node (RN), a system and equipment, which relate to the technical field of wireless communication, and are used for solving the problem that a base station cannot learn the type of the RN after an interface between the RN and the base station has radio link failure (RLF) and cell reselection is performed. The method for determining the type of the RN comprises the following steps of: reporting the type information of the RN to the base station in the radio resource control (RRC) connection re-establishment process by using the RN; receiving an RRC message sent by the RN by using the base station; determining that the RN is at a phase I or a phase II of startup according to the RRC message; and determining the type of the RN according to the type information of the RN, which is carried in the RRC message, when determining that the RN is at the phase II of startup. By the method, the base station can learn the type of the RN after the interface between the RN and the base station has the RLF and cell reselection is performed.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to that a kind of type information reports and the via node type is confirmed method, system and equipment.
Background technology
In long-term evolution upgrading (LTE-A) system, for improve throughput of system with increase network coverage introduced via node (Relay Node, RN).The network configuration of the system of introducing RN is as shown in Figure 1; Wherein base station (eNB) links core net (CN) through wireline interface; RN is connected to donor base station (Donor eNB through wave point (Un mouth); DeNB), DeNB is the eNB of RN ownership, and link terminal (R-UE) is connected to RN through wave point (Uu mouth).
According to whether needs are divided on time domain carrier resource, RN type (RN type) can be divided into following two kinds: need the RN of resource division and do not need the RN of resource division.
For the RN that needs resource division; RN can not be at Uu interface and Un interface while receiving and transmitting signal; Otherwise can produce from disturbing; For fear of the generation of disturbing certainly, a kind of solution is exactly to create transmission space (transmission gap) in the transmission time in the descending access (access) of Uu mouth, and this transmissiongap can be used for the transfer of data of descending back haul link (DL BH link).The configuration of transmission gap can realize through the MBSFN subframe, and is as shown in Figure 2.In transmission gap, DeNB and RN carry out downlink transfer, and RN and R-UE do not carry out downlink transfer.
The RN start-up course is divided into following two stages in the network of introducing RN:
Phase I (Phase I):
This stage RN is as the UE access network, and step is following:
Step 1: Radio Resource control (RRC) connects sets up;
Cell selecting is carried out in the RN start, sets up RRC with selected sub-district and is connected;
Step 2:RN adheres to and obtains configuration information from RN operation and management (OAM) entity;
RN is attached to network according to the mode of UE, and from RN OAM entities initial configuration information, initial configuration information comprises that RN allows the information such as Uu mouth frequency that tabulate in alms giver sub-district (donor cell) and RN supports that insert;
Step 3:RN attachment removal.
Second stage (Phase II):
In this stage, RN is as the RN access network, and step is following:
Step 1: select donor cell;
Select a donor Cell in the donor Cell tabulation of RN OAM configuration from Phase I;
Step 2: set up RRC and connect;
RN sets up RRC with the new donor cell that selects and is connected;
Step 3: select Mobility Management Entity (MME);
In attaching process, RN is through its RN identity of RRC signaled DeNB, and based on this information, DeNB selects a MME who supports RN to RN;
Step 4: network selection is closed (GW);
After CN notice MME access node was RN, MME selected the packet data gateway/gateway (P/S-GW) of DeNB as RN;
Step 5: set up S1 and X2 interface;
RN sets up process at DeNB for initiation S1 and X2 interface in the carrying of its foundation.
The startup stage of RN, confirm that the main foundation of RN type comprises following 3 points:
The first, the frequency point information that RN supports at the RN Uu mouth that the Phase I stage downloads from RN OAM;
The second, the frequency point information of the donor cell that RN selected in the Phase II stage;
The 3rd, the software and hardware ability of RN self.
After RN confirms RN type, in step 2 (promptly setting up RRC with the donor cell is connected) process in Phase II stage, " I ' m an RN (RN node indication information) " and " RN type (RN type) " reported DeNB through RRC connection setup complete message (RRCConnectionestablishmentComplete).
In case in following three kinds of situation any one takes place, then RN judge its Un mouth generation Radio Link Failure (Radio Link Failure, RLF):
Situation one: receive continuously that from bottom N310 step-out (out-of-sync) indication back starts the T310 timer, before the T310 timer expiry, do not receive N311 (in-sync) indication synchronously continuously from bottom;
Situation two: receive the indication of access problem at random that medium access control (MAC) layer sends;
Situation three: receive that Radio Link control (RLC) layer reaches the indication of maximum retransmission.
RN as base station work takes place will discharge the Un configuration and carry out the RRC connection reconstruction according to the processing mode behind the similar UE Radio Link Failure behind the Radio Link Failure, and is as shown in Figure 3.When RN detects RLF, then start RRC connection reconstruction (RRC connection re-establish) process and start the T311 timer simultaneously.First process of RRC connection reconstruction is a district reselecting, after the selected proper cell of RN, stops the T311 timer and starts the T301 timer, attempts setting up RRC with the new donor cell that selects then and is connected.Owing to have only DeNB that RN context (RN context) information is arranged, therefore have only the sub-district under the DeNB that before the sub-district of RN gravity treatment is RN generation RLF, belongs to, the RRC connection reconstruction just might success.
The signaling process of RRC connection reconstruction such as Fig. 4 and shown in Figure 5, can know that according to Fig. 4 and Fig. 5 the RRC message that the RRC connection reconstruction possibly relate to is following:
RRC connection reconstruction request message (RRCConnectionReestablishmentRequest);
RRC connection reconstruction message (RRCConnectionRee stablishment);
The RRC connection reconstruction is accomplished message (RRCConnectionReestablishmentComplete);
RRC connection reconstruction refuse information ((RRCConnectionReestablishmentReject);
In realizing process of the present invention, the inventor finds to exist in the prior art following technical problem:
In the prior art, RN need report RN type information through the RRC connection setup complete message to DeNB in the Phase II stage that starts.After RLF took place the Un of RN mouth, RN at first inserted layer by layer (AS, Access Stratum) and recovers, and promptly carries out RRC connection reconstruction process.RRC connection reconstruction process comprises district reselecting and in the new sub-district of selecting, sets up RRC and be connected this two steps.
Behind the RN gravity treatment donor cell; Because the frequency of the new donor cell that selects maybe be different with the frequency of former donor cell; So just might cause the RN type to change, become " not needing resource division " from " needing resource division " such as RN type.If the RNtype that DeNB reports during according to the RN initial start carries out subsequent operation, will cause so between DeNB and the RN RN type understood differently causes, and then possibly cause the base station that RN is carried out error configurations, thereby influences systematic function.
Summary of the invention
The embodiment of the invention provides a kind of type information report method and a kind of via node, is used to solve that the base station can't obtain that RLF takes place for interface between RN and base station and the problem of carrying out the RN type information after the district reselecting.
A kind of type information report method, this method comprises:
Via node and the base station between interface RLF takes place after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result;
Via node is carried out RRC connection reconstruction process in the sub-district of gravity treatment, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.
A kind of via node, this via node comprises:
The district reselecting unit, be used for and the base station between interface RLF takes place after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result;
The connection reconstruction unit is used in the sub-district of gravity treatment carrying out RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.
In this programme; Via node and the base station between interface RLF takes place after; Carry out cell reselection process; And confirm the type of via node according to the district reselecting result, in the sub-district of gravity treatment, carry out RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.Thus it is clear that, adopt this programme, base station can obtain interface between RN and base station and RLF take place and carry out the RN type information after the district reselecting.
The embodiment of the invention also provides a kind of node type that continues to confirm method, a kind of base station and a kind of long-term evolution upgrading communication system, is used to solve the base station and can't knows that interface between RN and base station RLF takes place and carries out the problem of the RN type after the district reselecting.
A kind of via node type is confirmed method, and this method comprises:
The base station receives the RRC message that via node is sent;
The base station confirms that according to said RRC message via node is in starting up's phase I or second stage;
When the base station is in starting up's second stage at definite via node,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.
A kind of base station, this base station comprises:
The message sink unit is used to receive the RRC message that via node is sent;
The phase judgement unit is used for confirming that according to said RRC message via node is in starting up's phase I or second stage;
Type is confirmed the unit, is used for when definite via node is in starting up's second stage, according to the type information of the via node that carries in the said RRC message, confirming the type of via node.
A kind of long-term evolution upgrading communication system, this system comprises:
Via node, be used for and the base station between interface RLF takes place after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result; In the sub-district of gravity treatment, carry out RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station;
The base station is used to receive the RRC message that via node is sent; Confirm that according to said RRC message via node is in starting up's phase I or second stage; When definite via node is in starting up's second stage,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.
In this programme; After the RRC message that base station reception via node is sent; Confirm that according to said RRC message via node is in starting up's phase I or second stage; When definite via node is in starting up's second stage,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.Thus it is clear that, adopt this programme, base station can know that interface between RN and base station RLF takes place and carries out the RN type after the district reselecting.
Description of drawings
Fig. 1 is a LTE-A schematic network structure of the prior art;
Fig. 2 utilizes the MBSFN subframe to carry out repeated link downlink transfer sketch map for Un mouth of the prior art;
Fig. 3 is a wireless link recovery process sketch map behind the RN RLF of the prior art;
Fig. 4 is a RRC connection reconstruction signaling process sketch map of the prior art;
Fig. 5 is another RRC connection reconstruction signaling process sketch map of the prior art;
The method flow sketch map that Fig. 6 provides for the embodiment of the invention;
Another method schematic flow sheet that Fig. 7 provides for the embodiment of the invention;
Descending and/or the up BH sub-frame configuration of the Un mouth schematic flow sheet that Fig. 8 provides for the embodiment of the invention;
The device structure sketch map that Fig. 9 provides for the embodiment of the invention;
Another device structure sketch map that Figure 10 provides for the embodiment of the invention.
Embodiment
In order to make the base station can know that interface between RN and base station RLF takes place and carries out the RN type after the district reselecting; The embodiment of the invention provides a kind of type information to report and the via node type is confirmed method; In this method, via node and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process; And in the sub-district of gravity treatment, carry out RRC connection reconstruction process, the type information with via node in this RRC connection reconstruction process reports the base station.
Referring to Fig. 6, the type information report method that the embodiment of the invention provides specifically may further comprise the steps:
Step 60: via node and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result;
Step 61: via node is carried out radio resource control RRC connection reconstruction process in the sub-district of gravity treatment, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.
In the step 60, when via node is confirmed the type of via node according to the district reselecting result, specifically can confirm the type of via node according to the frequency point information of the sub-district of gravity treatment; Perhaps, according to the frequency point information of the sub-district of gravity treatment and the software and hardware ability of via node self, confirm the type of via node; Perhaps, according to the frequency point information that the Uu mouth of the software and hardware ability of the frequency point information of the sub-district of gravity treatment, via node self and via node is supported, confirm the type of via node.Concrete definite method is identical with prior art.
In the step 61; Via node reports the base station with the type information of via node in RRC connection reconstruction process before; Can at first confirm self to be in starting up's phase I or second stage; And when confirming self to be in starting up's second stage, ability reports the base station with the type information of via node in RRC connection reconstruction process.If confirm self to be in starting up's phase I, then the type information of via node is not reported the base station.
In the step 61, via node is accomplished message through RRC connection reconstruction request message or RRC connection reconstruction, and the type information of via node is reported the base station.
Among the present invention, the type of via node can be the via node type that need on time domain, divide carrier resource, or the via node type that need on time domain, not divide carrier resource.
Referring to Fig. 7, the via node type that the embodiment of the invention provides is confirmed method, specifically may further comprise the steps:
Step 70: the base station receives the RRC message that via node is sent; This RRC message can be RRC connection reconstruction request message or RRC connection reconstruction completion message.
Step 71: the base station confirms that according to RRC message via node is in starting up's phase I or second stage;
Step 72: when the base station is in starting up's second stage at definite via node,, confirm the type of via node according to the type information of the via node that carries in the RRC message.
In the step 71, the base station confirms that according to RRC message via node is in starting up's phase I or second stage, and its concrete realization can be adopted following dual mode:
First kind, the type information of via node is confirmed whether to carry in the RRC message in the base station, if; The node of then confirming to continue is in starting up's second stage; Otherwise, confirm that via node is in starting up's phase I, handle according to the mode of common UE RRC connection reconstruction.
Second kind, the base station obtains the via node context according to the via node identification information that carries in the RRC message, and contextual indication confirms that via node is in starting up's phase I or second stage according to this via node.If confirm as the phase I, think that then the type information of the via node that carries in the RRC message is invalid, if confirm as second stage,, confirm the type of via node then according to the type information of this via node.
In the step 71; If the via node type of the type that via node is confirmed in the base station for need on time domain, not dividing carrier resource; Then the base station need not to dispose the BH subframe of Un mouth, according to the RN processing mode that does not need resource division RN is carried out subsequent operation and gets final product.
If the via node type of the type that via node is confirmed in the base station for need on time domain, dividing carrier resource, then the base station can with and via node between subframe configuration information descending and/or up BH send to via node.
Concrete; If the RRC message in the step 70 is RRC connection reconstruction request message; Then the base station can connect reallocation message through RRC connection reconstruction message or RRC, and the subframe configuration information of the descending and/or up BH between base station and via node is sent to via node; Accomplish message if the RRC message in the step 70 is the RRC connection reconstruction, then the base station can connect reallocation message through RRC, and the subframe configuration information of the descending and/or up BH between base station and via node is sent to via node.
The present invention will be described below in conjunction with specific embodiment:
The present invention has provided a kind of when change takes place the RN type, in RRC connection reconstruction process, uses the method for RRC message informing RN type after changing, and is consistent to guarantee that DeNB and RN understand RN type, is convenient to DeNB and carries out subsequent operation.The message of RRC described in this method both can be RRC connection reconstruction request message, also can be that the RRC connection reconstruction is accomplished message.
The mode of using RRC message to carry RN type indication has following two kinds:
Mode 1:
The RN side is handled as follows:
In RRC message, increase a RN type indication information element (IE), its value can be Boolean type or enumeration type, and this IE is optional (OPTIONAL), also promptly:
If RN is in the Phase I stage, then this IE does not occur;
If RN is in the Phase II stage, then RRC message need comprise this IE;
Base station side is handled as follows:
Whether the base station occurs according to the indication of the RN type in RRC message IE, confirms that RN is in PhaseI stage or Phase II stage.If do not occur, show that then RN is in the Phase I stage, handle according to the mode of common UE RRC connection reconstruction the base station; Otherwise RN type need be confirmed according to RN type indication IE in the base station.
Mode 2:
The RN side is handled as follows:
In RRC message, increase a RN type indication IE, its value can be Boolean type or enumeration type, and this IE exists in said RRC message always, is essential.
Base station side is handled as follows:
The RN identification information that DeNB carries in the request of RRC connection reconstruction according to RN finds the context among the DeNB that is stored in of RN correspondence; And confirm that according to the indication among the context the residing PhaseI of being stage of RN or Phase II stage be not (because the RRC connection reconstruction process of RN can change the residing Phase of RN; After promptly being in the RN reconstruction in Phase I stage, still be in PhaseI; After being in the RN reconstruction in PhaseII stage, still be in PhaseII), and, come to judge voluntarily whether the value of RN type indication IE is effective according to the residing Phase of RN, also promptly:
If RN is in the Phase I stage, then RN type indication IE value is invalid;
If RN is in the Phase II stage, then RN type indication IE is effective.
No matter be in RRC message, to use which kind of RN type indicating mode, after base station judges goes out RN type, all need do following operation:
If RN type is " not needing resource division ", DeNB need not to dispose the BH subframe of Un mouth so, according to the RN processing mode that does not need resource division RN is carried out subsequent operation and gets final product;
If the RN type that RN reports is " needing resource division ", then be divided into following two kinds of situation:
First kind; RN type carries in RRC connection reconstruction request (RRCConnectionReestablishmentRequest) message; Descending and/or the up BH subframe of DeNB configuration Un mouth can have two kinds of selections so: first kind of selection is to carry through RRC connection reconstruction message (RRCConnectionReestablishment); First kind of selection is to carry through the RRC connection reallocation message (RRCConnectionReconfiguration) that the RRC connection reconstruction is accomplished afterwards, and be as shown in Figure 8.
Second kind; RN type accomplishes in (RRCConnectionReestablishmentComplete) message in the RRC connection reconstruction and carries, and DeNB can send to RN with the descending and/or up BH subframe configuration information of Un mouth in the connection reallocation message of the RRC after the RRC connection reconstruction is accomplished (RRCConnectionReconfiguration) so.As shown in Figure 8.
In addition, RRC message can also implicit expression be carried " I ' man RN " indication except can carrying RN type indication information.Such as for mode 1, the RN type indication of in the said RRC message that the base station receives, carrying thinks that then that insert is RN, and for mode 2, whether what initiation RRC connection reconstruction can ownly be judged in the base station is RN.
The embodiment of the invention is following:
Embodiment one:
Step 1:RN judges that according to Un mouth RLF judgment condition RN at the Un mouth RLF takes place;
Step 2:RN carries out district reselecting after RLF takes place the Un mouth, select a proper cell;
Owing to have only DeNB that its RN context information is arranged, so district reselecting only is limited in the sub-district that DeNB has under its command and carries out, just maybe the RRC connection reconstruction successfully;
Step 3:RN initiates the RRC connection reconstruction in the selected sub-district of step 2, and is in Phase I stage or Phase II stage according to RN and judges whether in RRC connection reconstruction request (RRCConnectionReestablishmentRequest) message, to carry RN type indication.If be in the Phase I stage, need not carry RN type indication so, if be in the Phase II stage, need carry RN type indication so.Represent RN type indication IE with rn-Type, shown in the following example of then possible signaling format:
Example 1:RN type indication IE is an enumeration type;
rn-Type?ENUMERATED{0，1}?OPTIONAL，
When the rn-Type value do not need can represent the type of resource division when " 0 ", value is represented the type of resource division during for " 1 ".Certainly need resource division and do not need the corresponding value of type of resource division also can use other value, as long as agreement provides.
Example 2:RN type indication IE is a Boolean type;
rn-Type?BOOLEAN?OPTIONAL，
When the rn-Type value do not need can represent the type of resource division when " FALSE ", value need can represent the type of resource division during for " TURE ".Certainly need resource division and do not need the corresponding value of type of resource division also can use other value, as long as agreement provides.
Step 4:DeNB receives the request of RRC connection reconstruction, at first judges whether to exist RN type indication IE.If do not exist, judge that then RN is in the Phase I stage, then carry out subsequent treatment according to the RRC connection reconstruction flow process of UE; If exist, judge that then RN is in the Phase II stage, confirm RN type according to RN type indication IE value.If RN type is the needs resource division, then DeNB can be in the connection of the RRC after RRC connection reconstruction (RRCConnectionReestablishment) message or RRC connection reconstruction are accomplished reprovision (RRCConnectionReconfiguration) message sends to RN with the descending and/or up BH subframe configuration information of Un mouth.
Embodiment two:
Step 1: identical with the step 1 of embodiment one;
Step 2: identical with the step 2 of embodiment one;
Step 3: similar with the step 3 of embodiment one; Difference is that RN need not to judge PhaseI stage or the Phase II stage of self being in; Necessarily carry RN type indication IE in RRC connection reconstruction request (RRCConnectionReestablishmentRequest) message, this IE is essential.Possible RRC signaling format is following; :
Example 1:RN type indication IE is an enumeration type
rn-Type ENUMERATED{0，1}，
When the rn-Type value do not need can represent the type of resource division when " 0 ", value is represented the type of resource division during for " 1 ".Certainly need resource division and do not need the corresponding value of type of resource division also can use other value, as long as agreement provides.
Example 2:RN type indication IE is a Boolean type;
rn-Type BOOLEAN，
When the rn-Type value do not need can represent the type of resource division when " FALSE ", value need can represent the type of resource division during for " TURE ".Certainly need resource division and do not need the corresponding value of type of resource division also can use other value, as long as agreement provides.
Step 4:DeNB receives RRC connection reconstruction request message (RRCConnectionReestablishmentRequest); At first judge that through the Given information of DeNB storage RN is in Phase I stage or Phase II stage, whether effective to confirm that the RN type value of carrying in the request message is set up in the RRC connection.If be in the Phase I stage, then ignore this RN type; If be in the Phase II stage; Then determine whether the needs resource division according to RN type; Resource division if desired then can be in RRC connection reprovision (RRCConnectionReconfiguration) message after RRC connection reconstruction (RRCConnectionReestablishment) message or RRC connection reconstruction are accomplished sends to RN with the descending and/or up BH subframe configuration information of Un mouth.
Embodiment three:
Step 1: identical with the step 1 of embodiment one;
Step 2: identical with the step 2 of embodiment one;
Step 3: similar with the step 3 of embodiment one, difference only is: RN type indication IE is carried at the RRC connection reconstruction and accomplishes in (RRCConnectionReestablishmentComplete) message;
Step 4: similar with the step 4 of embodiment one; Difference only is: if confirm that according to RN type indication IE the RN type is the needs resource division, the RRC after the descending and/or up BH subframe configuration information of Un mouth can only be accomplished through RRC connection foundation so connects reprovision (RRCConnectionReconfiguration) message and sends to RN.
Embodiment four:
Step 1: identical with the step 1 of embodiment two;
Step 2: identical with the step 2 of embodiment two;
Step 3: similar with the step 3 of embodiment two, difference only is: RN type indication IE is carried at the RRC connection reconstruction and accomplishes in (RRCConnectionReestablishmentComplete) message;
Step 4: similar with the step 4 of embodiment two; Difference only is: if confirm that according to RN type indication IE the RN type is the needs resource division, the RRC after the descending and/or up BH subframe configuration information of Un mouth can only be accomplished through RRC connection foundation so connects reprovision (RRCConnectionReconfiguration) message and sends to RN.
Referring to Fig. 1, the embodiment of the invention also provides a kind of long-term evolution upgrading communication system, and this system comprises:
Via node, be used for and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result; In the sub-district of gravity treatment, carry out radio resource control RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station;
The base station is used to receive the RRC message that via node is sent; Confirm that according to said RRC message via node is in starting up's phase I or second stage; When definite via node is in starting up's second stage,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.
Referring to Fig. 9, the embodiment of the invention also provides a kind of via node, and this via node comprises:
This via node also comprises:
Said connection reconstruction unit 91 is used for:
When said phase judgement unit was confirmed self to be in starting up's second stage, the type information with said via node in this RRC connection reconstruction process reported the base station.
Said connection reconstruction unit 91 is used for:
Accomplish message through RRC connection reconstruction request message or RRC connection reconstruction, the type information of said via node is reported the base station.
The type of said via node is: the via node type that need on time domain, divide carrier resource, or the via node type that need on time domain, not divide carrier resource.
Referring to Figure 10, the embodiment of the invention also provides a kind of base station, and this base station comprises:
Type is confirmed unit 103, is used for when definite via node is in starting up's second stage, according to the type information of the via node that carries in the said RRC message, confirming the type of via node.
Said phase judgement unit 102 is used for:
Confirm whether to carry in the said RRC message type information of via node, if the node of then confirming to continue is in starting up's second stage, otherwise, confirm that via node is in starting up's phase I.
Said phase judgement unit 102 is used for:
Via node identification information according to carrying in the said RRC message obtains the via node context, confirms that according to this via node context via node is in starting up's phase I or second stage.
This base station also comprises:
Said sub-frame configuration unit 104 is used for:
Connect reallocation message through RRC connection reconstruction message or RRC, will and via node between the subframe configuration information of descending and/or up back haul link BH send to via node.
Said RRC message is: RRC connection reconstruction request message or RRC connection reconstruction are accomplished message.
To sum up, beneficial effect of the present invention comprises:
In the scheme that the embodiment of the invention provides, via node and the base station between interface RLF takes place after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result; In the sub-district of gravity treatment, carry out RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station; After the RRC message that base station reception via node is sent; Confirm that according to said RRC message via node is in starting up's phase I or second stage; When definite via node is in starting up's second stage; According to the type information of the via node that carries in the said RRC message, confirm the type of via node.Thus it is clear that, adopt the present invention, base station can know that interface between RN and base station RLF takes place and carries out the RN type after the district reselecting.
The present invention has provided a kind of after RLF takes place the Un mouth, during the RRC connection reconstruction is crossed because district reselecting causes under the situation that RN type changes the method for the RN type notice DeNB that RN how will be after changing.It is consistent that this method can guarantee that DeNB and RN understand RN type, is convenient to the subsequent operation of carrying out that DeNB can be correct.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (22)
1. a type information report method is characterized in that, this method comprises:
Via node and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result;
Via node is carried out radio resource control RRC connection reconstruction process in the sub-district of gravity treatment, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.
2. the method for claim 1 is characterized in that, in this RRC connection reconstruction process, the type information of said via node reported the base station before, this method further comprises:
Via node confirms self to be in starting up's phase I or second stage;
Saidly in this RRC connection reconstruction process, the type information of said via node is reported the base station and comprises:
Via node is when confirming self to be in starting up's second stage, and the type information with said via node in this RRC connection reconstruction process reports the base station.
3. according to claim 1 or claim 2 method is characterized in that, via node is accomplished message through RRC connection reconstruction request message or RRC connection reconstruction, and the type information of said via node is reported the base station.
4. according to claim 1 or claim 2 method is characterized in that the type of said via node is: the via node type that need on time domain, divide carrier resource, or the via node type that need on time domain, not divide carrier resource.
5. a via node type is confirmed method, it is characterized in that, this method comprises:
The base station receives the radio resource control RRC message that via node is sent;
The base station confirms that according to said RRC message via node is in starting up's phase I or second stage;
When the base station is in starting up's second stage at definite via node,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.
6. method as claimed in claim 5 is characterized in that, said base station confirms that according to said RRC message phase I or second stage that via node is in the starting up comprise:
The type information of via node is confirmed whether to carry in the said RRC message in the base station, if the node of then confirming to continue is in starting up's second stage, otherwise, confirm that via node is in starting up's phase I.
7. method as claimed in claim 5 is characterized in that, said base station confirms that according to said RRC message phase I or second stage that via node is in the starting up comprise:
The base station obtains the via node context according to the via node identification information that carries in the said RRC message, confirms that according to this via node context via node is in starting up's phase I or second stage.
8. method as claimed in claim 5 is characterized in that, the type of confirming via node in the base station is for after the via node type that need divide on the time domain carrier resource, and this method further comprises:
The base station will and via node between the subframe configuration information of descending and/or up back haul link BH send to via node.
9. method as claimed in claim 8 is characterized in that, the base station connects reallocation message through RRC connection reconstruction message or RRC, will and via node between the subframe configuration information of descending and/or up back haul link BH send to via node.
10. like arbitrary described method among the claim 5-9, it is characterized in that said RRC message is: RRC connection reconstruction request message or RRC connection reconstruction are accomplished message.
11. like arbitrary described method among the claim 5-9; It is characterized in that; The type of said via node is: the via node type that need on time domain, divide carrier resource, or the via node type that need on time domain, not divide carrier resource.
12. a via node is characterized in that, this via node comprises:
The district reselecting unit, be used for and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result;
The connection reconstruction unit is used in the sub-district of gravity treatment carrying out radio resource control RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station.
13. via node as claimed in claim 12 is characterized in that, this via node also comprises:
The phase judgement unit is used for confirming that via node is in starting up's phase I or second stage;
Said connection reconstruction unit is used for:
When said phase judgement unit was confirmed self to be in starting up's second stage, the type information with said via node in this RRC connection reconstruction process reported the base station.
14., it is characterized in that said connection reconstruction unit is used for like claim 12 or 13 described via nodes:
Accomplish message through RRC connection reconstruction request message or RRC connection reconstruction, the type information of said via node is reported the base station.
15. like claim 12 or 13 described via nodes; It is characterized in that; The type of said via node is: the via node type that need on time domain, divide carrier resource, or the via node type that need on time domain, not divide carrier resource.
16. a base station is characterized in that, this base station comprises:
The message sink unit is used to receive the radio resource control RRC message that via node is sent;
The phase judgement unit is used for confirming that according to said RRC message via node is in starting up's phase I or second stage;
Type is confirmed the unit, is used for when definite via node is in starting up's second stage, according to the type information of the via node that carries in the said RRC message, confirming the type of via node.
17. base station as claimed in claim 16 is characterized in that, said phase judgement unit is used for:
Confirm whether to carry in the said RRC message type information of via node, if the node of then confirming to continue is in starting up's second stage, otherwise, confirm that via node is in starting up's phase I.
18. base station as claimed in claim 16 is characterized in that, said phase judgement unit is used for:
Via node identification information according to carrying in the said RRC message obtains the via node context, confirms that according to this via node context via node is in starting up's phase I or second stage.
19. base station as claimed in claim 16 is characterized in that, this base station also comprises:
The sub-frame configuration unit is used in the type of confirming via node for after the via node type that need divide on the time domain carrier resource, will and via node between the subframe configuration information of descending and/or up back haul link BH send to via node.
20. base station as claimed in claim 19 is characterized in that, said sub-frame configuration unit is used for:
Connect reallocation message through RRC connection reconstruction message or RRC, will and via node between the subframe configuration information of descending and/or up back haul link BH send to via node.
21., it is characterized in that said RRC message is like arbitrary described base station among the claim 16-20: RRC connection reconstruction request message or RRC connection reconstruction are accomplished message.
22. a long-term evolution upgrading communication system is characterized in that, this system comprises:
Via node, be used for and the base station between interface generation Radio Link Failure RLF after, carry out cell reselection process, and confirm the type of via node according to the district reselecting result; In the sub-district of gravity treatment, carry out radio resource control RRC connection reconstruction process, and in this RRC connection reconstruction process, the type information of said via node is reported the base station;
The base station is used to receive the RRC message that via node is sent; Confirm that according to said RRC message via node is in starting up's phase I or second stage; When definite via node is in starting up's second stage,, confirm the type of via node according to the type information of the via node that carries in the said RRC message.
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