CN103581961A - Method and device for reporting and processing wireless link failure - Google Patents
Method and device for reporting and processing wireless link failure Download PDFInfo
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- CN103581961A CN103581961A CN201210266003.0A CN201210266003A CN103581961A CN 103581961 A CN103581961 A CN 103581961A CN 201210266003 A CN201210266003 A CN 201210266003A CN 103581961 A CN103581961 A CN 103581961A
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Abstract
The embodiment of the invention discloses a method and device for reporting and processing a RLF, and relates to the field of wireless communication, wherein the method and the device are used for saving air interface signaling resources. In the method and device for reporting and processing the RLF, after the RLF happens to a terminal, the terminal reports RLF measurement result effective indication information carrying the type of the cause of the RLF to an RNC to which a reselected cell belongs, the RNC determines whether the RLF measurement result needs to be obtained from the terminal or not according to the type of the cause, and the terminal is informed to report the recorded RLF measurement result only when the RLF measurement result needs to be obtained from the terminal. By means of the method and the device, the air interface signaling resources can be effectively saved.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to reporting and processing method and equipment of a kind of Radio Link Failure.
Background technology
In following mobile communication system, wish by introducing minimum road test (Minimum Drive Test, MDT) technology, by the measurement result of the terminal in network (UE) report network environment, reduce the artificial participation of the network planning and Operation and Maintenance, by the network based statistic Automatic Optimal parameter reporting, reduce construction and the operation cost of network.
MDT mainly obtains the needed relevant parameter of the network optimization by the measurement report of mobile terminal reporting, to reach the object that reduces carrier network optimization and maintenance cost.Compare with traditional drive test, MDT has energy-saving and emission-reduction, reduces drive test expense, shorten the advantages such as optimization cycle, can bring higher user satisfaction, and can collect the region-wide metrical information (as narrow road, forest, private site etc.) that traditional drive test cannot carry out.The main application scenarios of MDT is coverage optimization, capacity optimization, mobile management optimization, qos parameter optimization and the optimization of common signal channel parameter configuration.Long Term Evolution (Long Term Evolution, LTE) system and universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) system is all supported MDT technology.Current LTE system and UMTS system are all obtained the MDT measurement result of UE by idle message flow process as shown in Figure 1.
Radio Link Failure (Radio Link Failure, RLF) reporting is a part for MDT technology, for reporting current Serving cell and the around wireless signal measurement result of adjacent area to network side when terminal judges during in RLF, to contribute to network to carry out coverage optimization.Current, only LTE system supports that RLF reports, and UMTS system does not support that RLF reports.
In LTE system, have following three kinds of reasons may cause RLF:
First, the physical layer of UE reports N step-out primitive (out-of-sync), the Radio Resource of UE is controlled (RRC) layer startup timer, if receive the subsynchronous primitive of N (in-sync) that physical layer reports before timer expiry, cancel timer, otherwise think RLF has occurred when timer expiry.
The second, rlc layer maximum retransmission arrives;
The 3rd, media access control (MAC) layer random access failure.
Therefore, during RLF, it is generally acknowledged that terminal is in the more severe situation of wireless environment, now report radio environment measurements result relatively to contribute to network side to carry out coverage optimization.
In the MDT of LTE system technology, when there is RLF in UE, need to record the Reference Signal Received Power of Serving cell (Reference signal received power at that time, RSRP) value and Reference Signal Received Quality (Reference Signal Received Quality, RSRQ) value and the at that time signal strength information of the adjacent cell of existing each wireless access type (Radio Access Type, RAT) signal strength signal intensity optimum.By signaling procedure as shown in Figure 2, the information RLF measurement result that UE records when network reports RLF to occur.
In Fig. 2, RLF measurement result is effectively indicated (1bit) can be included in RRC connection re-establishment and is completed in (RRCConnectionReestablishmentComplete) message, can also be included in RRC connection and set up in (RRCConnectionSetupComplete) message.
The RLF measurement result that network side reports the UE of acquisition is passed to tracking results and is collected entity (TCE), is processed, or carries out the network optimization according to RLF measurement result, or solve covering problem etc. by TCE.
In UMTS system, there is equally RLF.In the Rule of judgment of RLF and LTE system, similarly comprise: the physical layer of UE reports out-of-sync N time, rrc layer starts timer, if receive N the in-sync that physical layer reports before timer expiry, cancel timer, otherwise think RLF has occurred when timer expiry.In addition, for low code check (LCR) time division duplex (Time Division Duplex, TDD), also have a kind of situation also to think RLF: at high speed uplink packet access (High Speed Uplink Packet Access, HSUPA) in, when the transmission times of the random ascending control channel (E-RUCCH) of the enhancing of UE reaches maximum, the rrc layer of UE starts a timer, the timing length of this timer is N-RUCCH*T-RUCCH, after this timer expiry, if still do not receive the mandate of network side, think RLF has occurred.E-RUCCH is a physical channel, the data amount information that carried terminal is to be sent, in HSUPA for to network side request resource for uplink.If network side is permitted resource, the insertion authority channel that can strengthen by down physical channel (Enhanced Access Grant CHannel, E-AGCH) is authorized.If the T-RUCCH of terminal after sending E-RUCCH do not receive mandate in the time period, can resend E-RUCCH.T-RUCCH is configured by network side, and the maximum number of times of transmission that while network has also configured E-RUCCH is N-RUCCH.
In UMTS system, when RLF has occurred terminal judges, terminal forwards forward pass access channel (Forward Access Channel to, FACH) state, execution community is selected, then in the suitable cell (suitable cell) of selecting (may Shi Yuan community also may Shi Xin community) initiation cell update (cell update) process.Cell updating course as shown in Figure 3.UMTS system does not support that RLF reports at present.
The network side entity that UMTS system comprises comprises radio network controller (RNC) and base station (Node B).RNC is mainly responsible for context and the RRM of terminal, is the terminal of RRC signaling, is responsible for resolving RRC signaling.Community is also to be managed by RNC.Scheduling resource is mainly responsible in base station.Terminal mentioned above applies for that by E-RUCCH resource authorized by base station.Interface between RNC and base station is called Iub interface.The two can carry out the transmission of some signalings by Iub interface.Interface between different RNCs is called Iur interface, and they can carry out Signalling exchange by Iur interface.As shown in Figure 4, wherein RNS is RNS (Radio Network Subsystem) to the network architecture of UMTS, and UTRAN is UMTS Terrestrial radio access network (UMTS Terrestrial Radio Access Network).
To sum up, when RLF occurs, what network side was mainly paid close attention to is wireless environment, to carry out coverage optimization by measurement result.For LCR TDD system, the reason of generation RLF has multiple, and having some is not to be caused by radio link quality problem.Such as, the ascending resource mandate that repeatedly can not receive network side when terminal also can cause RLF.And in this scene, may be because the busy resource that cannot be dispatched to of network side scheduling causes.If it is that notification terminal reports RLF measurement result that the situation that now network side still reports according to normal RLF is processed, can brings unnecessary operation, and then waste space interface signaling resource.
Summary of the invention
The embodiment of the present invention provides reporting of a kind of Radio Link Failure and processing method and equipment, for saving space interface signaling resource.
A report method of Radio Link Failure RLF, the method comprises:
Terminal determines whether to occur RLF;
Described terminal is after determining generation RLF, and the radio network controller (RNC) under the community reselecting reports the effective indication information of RLF measurement result, in the effective indication information of this RLF measurement result, carries the cause type that causes RLF.
A processing method of RLF, the method comprises:
RNC receiving terminal, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that causes RLF in the effective indication information of this RLF measurement result;
Described RNC determines whether to obtain RLF measurement result from described terminal according to described cause type, when being defined as being, notifies the RLF measurement result of described terminal to report record.
A processing method of RLF, the method comprises:
Base station receives the authorization failure reason query messages that RNC sends, the identification information of carried terminal in this authorization failure reason query messages;
Base station is definite causes the reason to the authorization failure of described terminal, and to described RNC, returns to the query response message that comprises this cause information.
, this terminal comprises:
Determining unit, for determining whether to occur RLF;
Report unit, for after determining generation RLF, the radio network controller (RNC) under the community reselecting reports the effective indication information of RLF measurement result, in the effective indication information of this RLF measurement result, carries the cause type that causes RLF.
, this RNC comprises:
Receiving element, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that cause RLF in the effective indication information of this RLF measurement result for receiving terminal;
Determining unit, determines whether to obtain RLF measurement result from described terminal according to described cause type for RNC;
Notification unit.For determining while need to obtain RLF measurement result from described terminal, notify the RLF measurement result of described terminal to report record.
，Gai base station, a kind of base station comprises:
Receiving element, the authorization failure reason query messages sending for receiving RNC, the identification information of carried terminal in this authorization failure reason query messages;
Response unit, causes the reason to the authorization failure of described terminal for determining, and to described RNC, returns to the query response message that comprises this cause information.
In the scheme that the embodiment of the present invention provides, in terminal after there is RLF, RNC under the community reselecting reports the effective indication information of RLF measurement result that carries the cause type that causes RLF, RNC determines whether to obtain RLF measurement result from terminal according to this cause type, only when being defined as being, notification terminal reports the RLF measurement result of record, be defined as when no, notification terminal does not report the RLF measurement result of record, with under LTE system in prior art when cause type is any type all notification terminal report RLF measurement result to compare, in the present invention, do not notify in some cases terminal to report RLF measurement result, thereby can effectively save the signal resource of eating dishes without rice or wine.
Accompanying drawing explanation
Fig. 1 is that MDT measurement result of the prior art is obtained schematic flow sheet;
Fig. 2 is that reporting of RLF of the prior art and result are obtained schematic flow sheet;
Fig. 3 is cell updating course schematic diagram of the prior art;
Fig. 4 is UMTS network architecture schematic diagram of the prior art;
The method flow schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The other method schematic flow sheet that Fig. 6 provides for the embodiment of the present invention;
The another method flow schematic diagram that Fig. 7 provides for the embodiment of the present invention;
Fig. 8 a is the schematic flow sheet of the embodiment of the present invention one;
Fig. 8 b is the schematic flow sheet of the embodiment of the present invention two;
The terminal structure schematic diagram that Fig. 9 provides for the embodiment of the present invention;
The RNC structural representation that Figure 10 provides for the embodiment of the present invention;
The architecture of base station schematic diagram that Figure 11 provides for the embodiment of the present invention.
Embodiment
In order to make network side can know the cause type that causes RLF, and then determine whether need notification terminal to report RLF measurement result, the embodiment of the present invention provides the report method of a kind of RLF for end side according to the cause type of knowing.
Referring to Fig. 5, the report method of the RLF for end side that the embodiment of the present invention provides, comprises the following steps:
Step 50: terminal determines whether to occur RLF;
Step 51: terminal is after determining generation RLF, and the radio network controller (RNC) under the community reselecting reports the effective indication information of RLF measurement result, carries the cause type that causes RLF in the effective indication information of this RLF measurement result.The effective indication information of RLF measurement result can be specifically a piece of news, can be also the information unit (IE) in message.Here, terminal can be in the cell updating course of the community with reselecting, and by cell update message or reshuffled message, to RNC, reports the effective indication information of RLF measurement result; Terminal, when there is RLF, need to record the RSRP value of Serving cell at that time and RSRQ value and the signal strength information of the adjacent cell of existing each RAT signal strength signal intensity optimum at that time, and the information of record is RLF measurement result.
Preferably, after reporting the effective indication information of RLF measurement result to RNC in terminal, terminal receives the notice that reports RLF measurement result that RNC sends, and reports the RLF measurement result of record according to this notice to RNC; Or,
After reporting the effective indication information of RLF measurement result to RNC in terminal, terminal receives the notice of the deletion RLF measurement result of RNC transmission, according to the RLF measurement result of this notice deletion record.
In this method, cause the cause type of RLF to be: authorization failure or synchronous number of attempt reach maximum or down-going synchronous failure, etc.Concrete, terminal reaches after maximum in the transmission times of E-RUCCH, it is N-RUCCH*T-RUCCH timer that the rrc layer of terminal starts a timing length, if before this timer expiry, do not receive the resource authorization of network side, think RLF has occurred, and cause the cause type of this RLF to be set to authorization failure.
In order to save the signal resource of eating dishes without rice or wine, the embodiment of the present invention provides the processing method of a kind of RLF for RNC side.
Referring to Fig. 6, the processing method of the RLF for RNC side that the embodiment of the present invention provides, comprises the following steps:
Step 60:RNC receiving terminal, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that causes RLF in the effective indication information of this RLF measurement result;
Step 61: this RNC determines whether to obtain RLF measurement result from terminal according to the cause type carrying in the effective indication information of this RLF measurement result, when being defined as being, notification terminal reports the RLF measurement result of record.
Concrete, when the source RNC under this RNC to be terminal occurring community, the front place of RLF, be terminal be same RNC at the RNC occurring under the community reselecting after RLF with the RNC of terminal under the community at the generation front place of RLF, in step 61, this RNC determines whether to obtain RLF measurement result from terminal according to the cause type carrying in the effective indication information of this RLF measurement result, and its specific implementation can be as follows:
This RNC determines whether the cause type carrying in the effective indication information of RLF measurement result is authorization failure;
If this cause type is authorization failure, to the base station under terminal, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of this terminal, further can carry this cause type; Receive the query response message that this base station is returned, in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal; Here, at the cause information of authorization failure, be that base station scheduling is when busy, illustrate that causing the reason of RLF is not radio link quality problem, therefore do not need network side to carry out the network optimization according to RLF measurement result, network side just need to not obtain RLF measurement result from terminal yet;
If this cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
Here, the identification information of terminal can be: the dedicated transmission channel of enhancing (E-DCH) Radio Network Temporary Identifier (E-RNTI) etc.
Concrete, when the source RNC under this RNC not to be terminal occurring community, the front place of RLF, be terminal not same RNC at the RNC occurring under the community reselecting after RLF with the RNC of terminal under the community at the generation front place of RLF, in step 61, this RNC determines whether to obtain RLF measurement result from terminal according to cause type, and specific implementation can be as follows:
RNC determines whether the cause type carrying in the effective indication information of RLF measurement result is authorization failure;
If this cause type is authorization failure, to source RNC, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of this terminal; Receive the query response message that this source RNC returns, to be this source RNC there is to this terminal the query response message that base station under community, the front place of RLF sends after this authorization failure reason query messages, this base station of receiving is returned to this query response message, and in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If this cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
The identification information of the terminal of carrying in the authorization failure reason query messages that here, this RNC sends to source RNC can be: the UMTS Terrestrial radio access network of evolution (UTRAN) Radio Network Temporary Identifier (U-RNTI).And the identification information of the terminal of carrying in the authorization failure reason query messages that RNCXiang base station, source sends is the E-RNTI associated with this U-RNTI.
Preferably, after RNC notification terminal reports the RLF measurement result of record, the RLF measurement result that this RNC receiving terminal reports, and this RLF measurement result is reported to TCE, so that TCE carries out the network optimization according to RLF measurement result.
Preferably, when RNC need to not obtain RLF measurement result from terminal according to cause type is definite, the RLF measurement result of this RNC notification terminal deletion record.
While being authorization failure for the cause type causing RLF, make RNC can know the concrete reason that causes authorization failure, and then determining whether need to report RLF measurement result according to concrete reason, the embodiment of the present invention provides the processing method of a kind of RLF for base station side.
Referring to Fig. 7, the processing method of the RLF for base station side that the embodiment of the present invention provides, comprises the following steps:
Step 70: base station receives the authorization failure reason query messages that RNC sends, the identification information of carried terminal in this authorization failure reason query messages;
Step 71: base station is definite causes the reason to the authorization failure of this terminal, and returns to the query response message that comprises this cause information to this RNC.
Concrete, when the RNC under this RNC community that to be this terminal occurring to reselect after RLF, the message sending after this authorization failure reason query messages cause type that causes RLF that to be this RNC carry in receiving the effective indication information of RLF measurement result that RLF measurement result terminal sends and the effective indication information of this RLF measurement result is authorization failure; Or,
When the RNC under this RNC to be this terminal occurring community, the front place of RLF, this authorization failure reason query messages is this terminal at the RNC occurring under the community reselecting after RLF, the message of sending after the cause type that causes RLF carrying in receiving the effective indication information of RLF measurement result that this terminal sends and the effective indication information of this RLF measurement result is authorization failure.
Here, the identification information of this terminal is: E-RNTI.Cause the reason of the authorization failure of terminal to be: this base station scheduling is busy etc.
Below in conjunction with specific embodiment, the present invention will be described:
Embodiment mono-:
In the present embodiment, the RNC under the community that terminal reselects after generation RLF and the RNC of terminal under the community at the generation front place of RLF are same RNC, and as shown in Figure 8 a, idiographic flow is as follows:
Step 1, terminal is determined RLF has been occurred according to RLF occurrence condition.
Step 2: terminal record is RLF measurement result to the measurement result of current area and adjacent cell.And in cell updating course by up signaling (as cell update message or reshuffled message or RRC has connected message), to network side, report RLF measurement result effectively to indicate (adopting 1bit), RLF measurement result is effectively carried the cause type that causes RLF in indication, comprise authorization failure, arrive maximum synchronous number of attempt, descending cannot synchronously grade.
Step 3, RNC receives after the effective indication of RLF measurement result, read cause type wherein, if cause type is authorization failure, by Iub interface, to base station, send authorization failure reason query messages, in this authorization failure reason query messages, the identification information E-RNTI of carried terminal, for identification terminal, further can carry this cause type.This authorization failure reason query messages can be new Iub interface signaling message, can be also in already present Iub interface signaling, to carry indication in the prior art, such as " inquiry of RLF reason " and/or " authorization failure " etc.
Step 4, base station receives after authorization failure reason query messages, if the cause type wherein carrying is authorization failure, judges whether because the busy authorization failure that causes of base station scheduling.If because the busy authorization failure that causes of base station scheduling, query response message is returned to RNC in base station, wherein carries the cause information that causes authorization failure.This query response message can be new Iub interface message, can be also to carry indication in current Iub interface message, such as " dispatching busy " etc.
Step 5, RNC receives after query response message, if determine it is because the busy authorization failure that causes of base station scheduling according to this query response message, RNC can not report RLF measurement result by notification terminal, can not report RLF measurement result to TCE yet, RNC can delete current RLF measurement result of having preserved by idle message (can be new RRC signaling, can be also to carry the indication that measurement result has been preserved in deletion in UE information request message) notification terminal simultaneously.If determine it is not that RNC notification terminal reports RLF measurement result, and reports to TCE the RLF measurement result receiving because of the busy authorization failure that causes of base station scheduling according to this query response message.
Embodiment bis-:
In the present embodiment, RNC under the community that terminal reselects after generation RLF and the RNC of terminal under the community at the generation front place of RLF are not same RNC, RNC using terminal under the community that the front place of RLF occurs is as source RNC, and the RNC under the community that terminal is reselected after generation RLF is as Target RNC.
As shown in Figure 8 b, idiographic flow is as follows:
Step 1, terminal is determined RLF has been occurred according to RLF occurrence condition.
Step 2: terminal record is RLF measurement result to the measurement result of current area and adjacent cell.And in cell updating course by up signaling (as cell update message or cell update complete message), to network side, report RLF measurement result effectively to indicate (adopting 1bit), RLF measurement result is effectively carried the cause type that causes RLF in indication, comprise authorization failure, arrive maximum synchronous number of attempt, descending cannot synchronously grade.
Step 3, Target RNC receives after the effective indication of RLF measurement result, read cause type wherein, if cause type is authorization failure, by Iur interface, to source RNC, send authorization failure reason query messages, in this authorization failure reason query messages, the identification information U-RNTI of carried terminal, for identification terminal, further can carry this cause type.The design of authorization failure reason query messages is with described in the step 3 of embodiment mono-.
Step 4, source RNC, after the authorization failure reason query messages receiving, replaces with the E-RNTI associated with this U-RNTI by the U-RNTI in this authorization failure reason query messages, then authorization failure reason query messages is transmitted to base station;
Step 5, base station receives after authorization failure reason query messages, if the cause type wherein carrying is authorization failure, judges whether because the busy authorization failure that causes of base station scheduling.If because the busy authorization failure that causes of base station scheduling, query response message is returned to source RNC in base station, wherein carries the cause information that causes authorization failure.The design of this query response message is with described in the step 4 of embodiment mono-.
Step 6, source RNC is transmitted to Target RNC by the query response message receiving;
Step 7, Target RNC receives after query response message, if determine it is because the busy authorization failure that causes of base station scheduling according to this query response message, RNC can not report RLF measurement result by notification terminal, can not report RLF measurement result to TCE yet, RNC can delete current RLF measurement result of having preserved by idle message (can be new RRC signaling, can be also to carry the indication that measurement result has been preserved in deletion in UE information request message) notification terminal simultaneously.If determine it is not that RNC notification terminal reports RLF measurement result, and reports to TCE the RLF measurement result receiving because of the busy authorization failure that causes of base station scheduling according to this query response message.
Referring to Fig. 9, the embodiment of the present invention provides a kind of terminal, and this terminal comprises:
Determining unit 90, for determining whether to occur RLF;
Further, this terminal also comprises:
After reporting the effective indication information of RLF measurement result to described RNC, receive the notice of the deletion RLF measurement result of described RNC transmission, according to the RLF measurement result of this notice deletion record.
Further, described in, cause the cause type of RLF to be: authorization failure or synchronous number of attempt reach maximum or down-going synchronous failure.
Referring to Figure 10, the embodiment of the present invention provides a kind of RNC, and this RNC comprises:
Receiving element 101, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that cause RLF in the effective indication information of this RLF measurement result for receiving terminal;
Determining unit 102, determines whether to obtain RLF measurement result from described terminal according to described cause type for RNC;
Further, described determining unit 102 for:
When the source RNC under described RNC to be described terminal occurring community, the front place of RLF, determine whether described cause type is authorization failure;
If described cause type is authorization failure, to the base station under described terminal, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described base station is returned, in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
Further, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
Further, described determining unit 102 for:
When the source RNC under described RNC not to be described terminal occurring community, the front place of RLF, determine whether described cause type is authorization failure;
If described cause type is authorization failure, to described source RNC, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described source RNC returns, to be described source RNC there is to described terminal the query response message that base station under community, the front place of RLF sends after described authorization failure reason query messages, the described base station that receives is returned to this query response message, and in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
Further, the identification information of described terminal is: the UMTS Terrestrial radio access network UTRAN Radio Network Temporary Identifier U-RNTI of evolution; And the identification information of the terminal of carrying in the authorization failure reason query messages that described source RNC sends to described base station is the E-RNTI associated with this U-RNTI.
Further, this RNC also comprises:
Further, described notification unit 103 also for:
In the time need to not obtaining RLF measurement result from described terminal according to described cause type is definite, notify the RLF measurement result of described terminal deletion record.
Referring to Figure 11, the embodiment of the present invention provides ，Gai base station, a kind of base station to comprise:
Receiving element 110, the authorization failure reason query messages sending for receiving RNC, the identification information of carried terminal in this authorization failure reason query messages;
Response unit 111, causes the reason to the authorization failure of described terminal for determining, and to described RNC, returns to the query response message that comprises this cause information.
Further, described RNC is described terminal at the RNC occurring under the community reselecting after RLF, the message sending after the described authorization failure reason query messages cause type that causes RLF that to be this RNC carry in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure; Or,
Described RNC is the RNC of described terminal under generation community, the front place of RLF, described authorization failure reason query messages is described terminal at the RNC occurring under the community reselecting after RLF, the message of sending after the cause type that causes RLF carrying in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure.
Further, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
Further, described in, cause the authorization failure of described terminal former because: this base station scheduling is busy.
To sum up, beneficial effect of the present invention comprises:
In the scheme that the embodiment of the present invention provides, in terminal after there is RLF, RNC under the community reselecting reports the effective indication information of RLF measurement result that carries the cause type that causes RLF, RNC determines whether to obtain RLF measurement result from terminal according to this cause type, only when being defined as being, notification terminal reports the RLF measurement result of record, be defined as when no, notification terminal does not report the RLF measurement result of record, with under LTE system in prior art when cause type is any type all notification terminal report the RLF measurement result of record to compare, in the present invention, under some cause type, do not notify the RLF measurement result of terminal to report record, thereby can effectively save the signal resource of eating dishes without rice or wine.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or 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, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of 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 energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized 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 in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing 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 on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (28)
1. a report method of Radio Link Failure RLF, is characterized in that, the method comprises:
Terminal determines whether to occur RLF;
Described terminal is after determining generation RLF, and the radio network controller (RNC) under the community reselecting reports the effective indication information of RLF measurement result, in the effective indication information of this RLF measurement result, carries the cause type that causes RLF.
2. the method for claim 1, is characterized in that, after reporting the effective indication information of RLF measurement result to described RNC, further comprises:
Described terminal receives the notice that reports RLF measurement result that described RNC sends, and reports the RLF measurement result of record according to this notice to described RNC; Or,
Described terminal receives the notice of the deletion RLF measurement result of described RNC transmission, according to the RLF measurement result of this notice deletion record.
3. method as claimed in claim 1 or 2, is characterized in that, described in cause the cause type of RLF to be: authorization failure or synchronous number of attempt reach maximum or down-going synchronous failure.
4. a processing method of RLF, is characterized in that, the method comprises:
RNC receiving terminal, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that causes RLF in the effective indication information of this RLF measurement result;
Described RNC determines whether to obtain RLF measurement result from described terminal according to described cause type, when being defined as being, notifies the RLF measurement result of described terminal to report record.
5. method as claimed in claim 4, is characterized in that, when the source RNC under described RNC to be described terminal occurring community, the front place of RLF, described RNC determines whether to obtain RLF measurement result from terminal according to described cause type, specifically comprises:
Described RNC determines whether described cause type is authorization failure;
If described cause type is authorization failure, to the base station under described terminal, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described base station is returned, in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
6. method as claimed in claim 4, is characterized in that, when the source RNC under described RNC not to be described terminal occurring community, the front place of RLF, described RNC determines whether to obtain RLF measurement result from terminal according to described cause type, specifically comprises:
Described RNC determines whether described cause type is authorization failure;
If described cause type is authorization failure, to described source RNC, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described source RNC returns, to be described source RNC there is to described terminal the query response message that base station under community, the front place of RLF sends after described authorization failure reason query messages, the described base station that receives is returned to this query response message, and in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
7. method as claimed in claim 5, is characterized in that, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
8. method as claimed in claim 6, is characterized in that, the identification information of described terminal is: the UMTS Terrestrial radio access network UTRAN Radio Network Temporary Identifier U-RNTI of evolution; And the identification information of the terminal of carrying in the authorization failure reason query messages that described source RNC sends to described base station is the E-RNTI associated with this U-RNTI.
9. as the method as described in arbitrary in claim 4-8, it is characterized in that, after notifying the RLF measurement result of described terminal to report record, further comprise:
Described RNC receives the RLF measurement result of described terminal to report, and this RLF measurement result is reported to TCE.
10. as the method as described in arbitrary in claim 4-8, it is characterized in that, according to described cause type, determining need to not obtain RLF measurement result from described terminal time, further comprise:
Described RNC notifies the RLF measurement result of described terminal deletion record.
The processing method of 11. 1 kinds of RLF, is characterized in that, the method comprises:
Base station receives the authorization failure reason query messages that RNC sends, the identification information of carried terminal in this authorization failure reason query messages;
Base station is definite causes the reason to the authorization failure of described terminal, and to described RNC, returns to the query response message that comprises this cause information.
12. methods as claimed in claim 11, it is characterized in that, described RNC is described terminal at the RNC occurring under the community reselecting after RLF, the message sending after the described authorization failure reason query messages cause type that causes RLF that to be this RNC carry in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure; Or,
Described RNC is the RNC of described terminal under generation community, the front place of RLF, described authorization failure reason query messages is described terminal at the RNC occurring under the community reselecting after RLF, the message of sending after the cause type that causes RLF carrying in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure.
13. methods as claimed in claim 12, is characterized in that, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
14. as the method as described in arbitrary in claim 11-13, it is characterized in that, described in cause the former of the authorization failure of described terminal because: this base station scheduling is busy.
15. 1 kinds of terminals, is characterized in that, this terminal comprises:
Determining unit, for determining whether to occur RLF;
Report unit, for after determining generation RLF, the radio network controller (RNC) under the community reselecting reports the effective indication information of RLF measurement result, in the effective indication information of this RLF measurement result, carries the cause type that causes RLF.
16. terminals as claimed in claim 15, is characterized in that, this terminal also comprises:
Response unit, for after reporting the effective indication information of RLF measurement result to described RNC, receives the notice that reports RLF measurement result that described RNC sends, and reports the RLF measurement result of record according to this notice to described RNC; Or,
After reporting the effective indication information of RLF measurement result to described RNC, receive the notice of the deletion RLF measurement result of described RNC transmission, according to the RLF measurement result of this notice deletion record.
17. terminals as described in claim 15 or 16, is characterized in that, described in cause the cause type of RLF to be: authorization failure or synchronous number of attempt reach maximum or down-going synchronous failure.
18. 1 kinds of RNC, is characterized in that, this RNC comprises:
Receiving element, at the effective indication information of RLF measurement result that occurs to report after RLF, carries the cause type that cause RLF in the effective indication information of this RLF measurement result for receiving terminal;
Determining unit, determines whether to obtain RLF measurement result from described terminal according to described cause type for RNC;
Notification unit, for determining while need to obtain RLF measurement result from described terminal, notifies the RLF measurement result of described terminal to report record.
19. RNC as claimed in claim 18, is characterized in that, described determining unit is used for:
When the source RNC under described RNC to be described terminal occurring community, the front place of RLF, determine whether described cause type is authorization failure;
If described cause type is authorization failure, to the base station under described terminal, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described base station is returned, in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
20. RNC as claimed in claim 18, is characterized in that, described determining unit is used for:
When the source RNC under described RNC not to be described terminal occurring community, the front place of RLF, determine whether described cause type is authorization failure;
If described cause type is authorization failure, to described source RNC, send authorization failure reason query messages, in this authorization failure reason query messages, carry the identification information of described terminal; Receive the query response message that described source RNC returns, to be described source RNC there is to described terminal the query response message that base station under community, the front place of RLF sends after described authorization failure reason query messages, the described base station that receives is returned to this query response message, and in this query response message, carry the cause information of authorization failure; If this cause information busy authorization failure that causes that is base station scheduling, determines and need to not obtain RLF measurement result from terminal, if this cause information busy authorization failure that causes that is not base station scheduling is determined and need to be obtained RLF measurement result from terminal;
If described cause type is not authorization failure, determines and need to obtain RLF measurement result from terminal.
21. RNC as claimed in claim 19, is characterized in that, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
22. RNC as claimed in claim 20, is characterized in that, the identification information of described terminal is: the UMTS Terrestrial radio access network UTRAN Radio Network Temporary Identifier U-RNTI of evolution; And the identification information of the terminal of carrying in the authorization failure reason query messages that described source RNC sends to described base station is the E-RNTI associated with this U-RNTI.
23. as the RNC as described in arbitrary in claim 18-22, it is characterized in that, this RNC also comprises:
Report unit, for after notifying the RLF measurement result of described terminal to report record, receive the RLF measurement result of described terminal to report, and this RLF measurement result is reported to TCE.
24. as the RNC as described in arbitrary in claim 18-22, it is characterized in that, described notification unit also for:
In the time need to not obtaining RLF measurement result from described terminal according to described cause type is definite, notify the RLF measurement result of described terminal deletion record.
25. 1 kinds of base stations, is characterized in that, this base station comprises:
Receiving element, the authorization failure reason query messages sending for receiving RNC, the identification information of carried terminal in this authorization failure reason query messages;
Response unit, causes the reason to the authorization failure of described terminal for determining, and to described RNC, returns to the query response message that comprises this cause information.
26. base stations as claimed in claim 25, it is characterized in that, described RNC is described terminal at the RNC occurring under the community reselecting after RLF, the message sending after the described authorization failure reason query messages cause type that causes RLF that to be this RNC carry in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure; Or,
Described RNC is the RNC of described terminal under generation community, the front place of RLF, described authorization failure reason query messages is described terminal at the RNC occurring under the community reselecting after RLF, the message of sending after the cause type that causes RLF carrying in receiving the effective indication information of RLF measurement result that described terminal sends and the effective indication information of this RLF measurement result is authorization failure.
27. base stations as claimed in claim 25, is characterized in that, the identification information of described terminal is: the exclusive use transmission signal channel Radio Network Temporary Identifier E-RNTI of enhancing.
28. as the base station as described in arbitrary in claim 25-27, it is characterized in that, described in cause the former of the authorization failure of described terminal because: this base station scheduling is busy.
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210527 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |