CN1852564A - Method for processing fault of network-side object for access-in subscriber terminal - Google Patents
Method for processing fault of network-side object for access-in subscriber terminal Download PDFInfo
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- CN1852564A CN1852564A CN 200510090325 CN200510090325A CN1852564A CN 1852564 A CN1852564 A CN 1852564A CN 200510090325 CN200510090325 CN 200510090325 CN 200510090325 A CN200510090325 A CN 200510090325A CN 1852564 A CN1852564 A CN 1852564A
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Abstract
Key points of the method are that after detecting fault occurs on object in use for user terminal access in a cell at network side; network side only needs to setup parameter state, and clocking time of timer in use for indicating disabling time period of cell; and to reserve current content unchanged, the current content is in system message, which is in use for object state at network side user terminal accesses, in aerial port message of cell. The invention only needs to modify state of parameter, and does not need operations for deleting and reconstructing system message so as to simplify implementation steps. Since clocking time of timer is not setup as longest clocking time required by protocol, thus, UE is able to return back to the cell, Where fault occurs, in shorter time so that UE can obtain good network service as soon as possible.
Description
Technical field
The present invention relates to the third generation (3G) communication technical field, be meant the processing method when the network side object that is used for the user terminal access in the sub-district that can support 3G breaks down especially.
Background technology
In Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, after arbitrary sub-district is set up and finished, just there have been following several public physical channels in this sub-district: primary synchronization channel (SSCH), secondary synchronizing channel (PSCH), Primary Common Pilot Channel (PCPICH), Primary Common Control Physical Channel (PCCPCH).These four public physic channels are that the sub-district is necessary, do not have this several channels, and the sub-district will can not exist.
But, have only the sub-district of above-mentioned these four physical channels to remain to use, also must set up following two kinds of public physic channels: Physical Random Access Channel (PRACH) and secondary Common Control Physical Channel (SCCPCH) by NBAP signaling request base station (NODEB).Wherein PRACH is up physical channel, and this channel is used for transmitting the up signaling message that user terminal (UE) sends; SCCPCH is a down physical channel, and this channel is used for sending the descending message from UMTS Terrestrial radio access network (UTRAN).
For instance, if UE makes a call, article one message is exactly RRC connection request (RRCCONNECTION REQUEST) so, this message sends to radio network controller (RNC) by up PRACH, and second message is exactly to connect foundation/registration (RRC CONNECTION SETUP, perhaps RRC CONNECTIONREJECT) by RNC by the RRC that descending SCCPCH sends to UE.If but all PRACH or all SCCPCH in sub-district all break down, this two common signal channel faults have been reported such as NODEB by resource status indication RESOURCE STATUS INDICATION or audit response AUDIT RESPONSE, at this moment, UE can't send to RNC with up RRC CONNECTION REQUEST message, UE also can't receive descending RRC CONNECTION SETUP or the RRCCONNECTION REJECT from RNC simultaneously) message, thus cause call failure.
Same, finish being absolutely necessary alternately of same core net (CN) in the process of whole calling at UE, and RNC needs also to carry out the realization calling that could make that alternately UE can be successful with CN.Need send initial direct-sending or send Routing Area Update such as UE, perhaps the CN assignment messages that need send RAB (RAB) is to RNC etc.Therefore, be connected, that is to say, all break down,, then will inevitably cause the call failure of UE such as transmission fault etc. if be used for carrying out mutual IU interface with CN if current area has lost with CN.
Thus, " being used for the network side object that user terminal inserts " among the application promptly is meant PRACH, SCCPCH, or the IU interface.Certainly the IU interface comprises IU-CS and two interfaces of IU-PS.
According to top introduction as can be known, the PRACH in the sub-district, SCCPCH and IU interface have important effect in the access of UE or calling procedure, if there are fault in these two kinds of common signal channels or IU interface, then will certainly influence the access of UE.And if network side can not inform in time that PRACH, SCCPCH or the IU interface of UE in its sub-district, current place breaks down, the then UE transmission call request that can not stop must cause following problem like this:
1) causes UE gravity treatment not arrive other sub-districts, influence user's normal call.
2) make that the power consumption of UE battery is bigger, reduced the stand-by time of UE.
3) infecctive call of these UE has not only increased the burden of network side, and has increased the interference between the sub-district.
In time the correct situation of informing the UE current area will be the task of top priority for this reason.
Owing in existing systems message 5, there is the relevant parameter of a PRACH and SCCPCH at least, in existing systems message, there is the information of an IU-CS interface or IU-PS interface at least, therefore, existing solution is as follows:
If all PRACH or all SCCPCH in the current area break down, then illustrative system message 5 has lost its meaning, therefore, network side is by deleting the System information block at system message 5 places to NODEB transmitting system information updating request (SYSTEM INFORMATION UPDATE REQ) message in system message, make no longer broadcast system message 5 of air interface (UU interface, be called for short eat dishes without rice or wine).Similarly, when the IU of sub-district correspondence interface breaks down, system message 1 is deleted from air interface, make no longer broadcast system message 1 of UU interface.According to agreement regulation, if UE aloft interface can't receive system message 1 or system message 5, then UE thinks that this sub-district has been in and forbids (BAR) state.
Stipulate according to agreement, after cell status is BAR, UE will reselect to other adjacent cells, and read the system message of this sub-district behind the wait certain hour once more, had system message 5 or system message 1 again if find this sub-district, this UE may return this sub-district.By this method, UE just can not make a call in this sub-district.
Though said method can be informed the situation of UE current area, that avoids that UE do not stop sends message on the sub-district that goes wrong, and there are the following problems for this scheme:
Stipulate according to agreement, if UE can't receive system message 5 or system message 1 at the UU interface, then can think this sub-district BAR, at this moment, stipulate according to agreement, can not carry out co-frequency cell and select, and its time of recovering to detect once more this sub-district is necessary for the maximum promptly 1280 seconds that duration is forbidden in the sub-district.That is to say that this UE can only choose alien frequencies adjacent cells or different system adjacent cells again, and need just can read the system message of this sub-district again, judge whether this sub-district can be selected again through this UE after the 1280s.(needs is tens seconds usually) just can recover but common signal channel fault or IU interface fault only need the short time usually, if and the method for these system messages is deleted in employing, performing step complexity not only, and can cause these UE all can not use this sub-district for a long time, thereby make these UE can not obtain fine network service.
Summary of the invention
In view of this, the processing method when the object of the present invention is to provide a kind of network side object that is used for the user terminal access to break down with the simplification performing step, and makes UE can return former sub-district of breaking down within a short period of time.
For achieving the above object, technical scheme of the present invention is achieved in that
Processing method when a kind of network side object that is used for the user terminal access in the sub-district that can support 3G breaks down, this method may further comprise the steps:
After in network side detects certain sub-district, being used for network side object that user terminal inserts and breaking down, the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to illegal state, be provided with in the sub-district access restricted information and be used for the timing that indicating cell is forbidden the duration timer, the current content that keeps the system message that is used for indicating the network side Obj State that is used for the user terminal access in this sub-district idle message does not make an amendment, afterwards, notify current break down the user terminal update system message 3 in the sub-district of network side object that user terminal inserts that is used for;
User terminal receives system message 3, and after judging sub-district in this system message 3 and inserting sub-district prohibitory sign in the restricted information and be illegal state, user terminal carries out the sub-district gravity treatment, afterwards, former sub-district of breaking down is deleted from closing on the relation of current area, startup is used for indicating cell and forbids the duration timer, and the timing of this timer is that network side is set; Behind the timer expiry, this user terminal reads the system message 3 in the former sub-district of breaking down again, determines according to the state of the sub-district prohibitory sign in the system message 3 in this former sub-district of breaking down whether gravity treatment is to former sub-district.
Preferably, the process that described user terminal carries out the sub-district gravity treatment may further comprise the steps: judge the current state of co-frequency cell gravity treatment sign,
If the co-frequency cell gravity treatment is masked as enable state, then user terminal carries out the co-frequency cell gravity treatment;
If the co-frequency cell gravity treatment is masked as non-enable state, then user terminal carries out alien frequencies or different system cell gravity treatment.
Preferably, when network side object that network side detects being used for of breaking down user terminal inserts recover normal after, further comprise: the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to non-illegal state, with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message is content after the current reparation, afterwards, notify current break down the user terminal update system message 3 in the sub-district of network side object that user terminal inserts that is used for once more.
Preferably, the described network side object that is used for the user terminal access is Physical Random Access Channel PRACH or secondary Common Control Physical Channel SCCPCH or IU interface, or above three's combination in any.
Preferably, when the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5;
When the described network side object that is used for the user terminal access was the IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 1;
When the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH and IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5 and system message 1.
Preferably, described is that the process of the content after the current reparation is with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message:
PRACH after the renewal and the parameter of SCCPCH will be filled in the system message 5; And/or,
With the IU interface message of filling in the system message 1 after the renewal.
Preferably, the sub-district of described network side setting is inserted in the restricted information and is used for the length that indicating cell is forbidden the timing of duration timer, is less than or equal to the maximum of stipulating in the agreement.
Key of the present invention is, after in network side detects certain sub-district, being used for network side object that user terminal inserts and breaking down, the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to illegal state, be provided with in the sub-district access restricted information and be used for the timing that indicating cell is forbidden the duration timer, and the current content that keeps the system message that is used for indicating the network side Obj State that is used for the user terminal access in this sub-district idle message does not make an amendment, afterwards, notify current break down the user terminal update system message 3 in the sub-district of network side object that user terminal inserts that is used for; User terminal receives system message 3, and after judging sub-district in this system message 3 and inserting sub-district prohibitory sign in the restricted information and be illegal state, user terminal carries out the sub-district gravity treatment, afterwards, former sub-district of breaking down is deleted from closing on the relation of current area, startup is used for indicating cell and forbids the duration timer, and the timing of this timer is that network side is set; Behind the timer expiry, this user terminal reads the system message 3 in the former sub-district of breaking down again, determines according to the state of the sub-district prohibitory sign in the system message 3 in this former sub-district of breaking down whether gravity treatment is to former sub-district.Use the present invention, only need to revise the state of parameter, need not do the operation of deletion and reconstructing system message, therefore simplified performing step.Have again,, thereby make these UE can obtain fine network service as early as possible because the timing of timer be not made as agreement the longest desired timing, thereby makes UE can return former sub-district of breaking down within a short period of time.
Description of drawings
Figure 1 shows that use one embodiment of the invention when break down in the sub-district, flow chart is set;
Figure 2 shows that using the present invention is provided with flow chart after the fault recovery of sub-district;
Figure 3 shows that the flow chart of UE update system message 3.
Embodiment
Again the present invention is done detailed description further below in conjunction with drawings and the specific embodiments.
As everyone knows, comprise system message 3 in the idle message of sub-district, referring to table 1, table 1 is the content of system message 3.
| Cell/group name claims (Information Element/Group name) | Selection marker (Need) | Number information (Multi) | Parameter type (Type and reference) | Parameter declaration (Semantics description) |
| There is indication (SIB4 Indicator) in SIB4 | Essential (MP) | Boolean (Boolean) | This value selects " TRUE " to show that so SIB4 will broadcast (TRUE indicates that SIB4 is broadcast in the cell.) in the residential quarter | |
| UTRAN mobile message element (UTRAN mobility information elements) | ||||
| Cell ID (Cell identity) | Essential (MP) | (cell ID Cell identity 10.3.2.2) | ||
| Cell selecting and gravity treatment information (Cell selection and re-selection info) | Essential (MP) | Cell selecting and gravity treatment information (Cell selection and re-selection info for SIB3/4 10.3.2.3) | ||
| Restricted information (Cell Access Restriction) is inserted in the sub-district | Essential (MP) | Restricted information (Cell Access Restriction 10.3.2.1) is inserted in the sub-district |
Table 1
As can be seen from Table 1, exist the sub-district to insert restricted information (Cell AccessRestriction) cell in this system message 3, the content that this cell comprised is referring to table 2, and table 2 is depicted as the information in the Cell AccessRestriction cell.
| Cell/group name claims (Information Element/Group name) | Selection marker (Need) | Number information (Multi) | Parameter type (Type and reference) | Parameter declaration (Semantics description) |
| Sub-district prohibitory sign (Cell Barred) | Essential (MP) | Enumerate (non-forbidding, forbid) (Enumerated (not barred, barred)) |
| Cell/group name claims (Information Element/Group name) | Selection marker (Need) | Number information (Multi) | Parameter type (Type and reference) | Parameter declaration (Semantics description) |
| Co-frequency cell gravity treatment sign (Intra-frequency cell re-selection indicator) | Then essential (CV-Barred) forbidden in the sub-district | Enumerate (do not allow, allow) (Enumerated (not allowed, allowed)) | ||
| Duration (T is forbidden in the sub-district barred) | Then essential (CV-Barred) forbidden in the sub-district | Integer value Integer (10,20,40,80,160,320,640,1280) | ||
| The sub-district is operator's reservation flag (Cell Reserved for) operator use | Essential (MP) | Enumerate (keep, do not keep) (Enumerated (reserved, not reserved)) | ||
| Cell extension is with indicating (Cell Reservation Extension) | Essential (MP) | Enumerate (keep, do not keep) (Enumerated (reserved, not reserved)) | ||
| Insert class banned list (Access Class Barred list) | Essential (CV-SIB3-MD) | maxAC | ||
| ＞access class prohibitory sign (＞Access Class Barred) | Essential (MP) | Enumerate (non-forbidding, forbid) (Enumerated (not barred, barred)) |
Table 2
As can be seen from Table 2, comprise sub-district prohibitory sign (CellBarred), co-frequency cell gravity treatment sign (Intra-frequency cell re-selection indicator) and sub-district in the Cell Access Restriction cell and forbid duration (Tbarred) parameter (about the detailed description of above-mentioned parameter referring to TS25304).
Specify implementation of the present invention below in conjunction with above-mentioned parameter and realization flow.
Figure 1 shows that use one embodiment of the invention when break down in the sub-district, flow chart is set.
Step 101, network side judge that whether the network side object that is used for the user terminal access in certain sub-district breaks down, if then execution in step 102, otherwise finishes.
The described network side object that is used for the user terminal access is Physical Random Access Channel PRACH or secondary Common Control Physical Channel SCCPCH or IU interface, or above three's combination in any.
Step 102, the sub-district prohibitory sign (Cell Barred) that sub-district in the system message 3 is inserted in the restricted information (Cell Access Restriction) is set to forbid (Barred) state.
Step 103, the sub-district is set inserts the state of the co-frequency cell gravity treatment sign (Intra-frequencycell re-selection indicator) in the restricted information, the current content that keeps the system message that is used for indicating the network side Obj State that is used for the user terminal access in this sub-district idle message does not make an amendment.
In the present embodiment, co-frequency cell gravity treatment sign is set to allow (allowed) state, certainly, also can be set to not allow (not allowed) state by co-frequency cell gravity treatment sign, can also not carry out any setting and directly use the default conditions value of this sign, specifically how to be provided with or not to be provided with and not decide according to the strategy of operator, do not limit at this.Obviously, directly do not use the default conditions value, then do not have this step if do not do setting.
Step 104 is provided with the timing (T that indicating cell is forbidden the duration timer that is used in the sub-district access restricted information
Barred), the timing T of this timer
BarredBe provided with to UE, so that UE can return the sub-district of breaking down again in the short period of system's appointment, and this timing length can be less than or equal to the maximum of stipulating in the agreement.
In the present embodiment, this timing is set to 20 seconds.
Step 105 is notified current break down the UE update system message 3 in the sub-district of network side object that user terminal inserts that is used for.
Figure 2 shows that using the present invention is provided with flow chart after the fault recovery of sub-district.
Whether step 201, network side detect the network side object that is used for the user terminal access that breaks down and recover normally, if then execution in step 202, otherwise directly finish.
Similarly, the described network side object that is used for the user terminal access is Physical Random Access Channel PRACH or secondary Common Control Physical Channel SCCPCH or IU interface, or above three's combination in any.If several combinations, which does not have a definite sequence to judge which back judgement earlier.
Step 202, the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to non-illegal state, and, be content after the current reparation with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message.
If when the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5;
If when the described network side object that is used for the user terminal access was the IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 1;
If when the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH and IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5 and system message 1.
Above-mentioned is that the process of the content after the current reparation is with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message:
PRACH after the renewal and the parameter of SCCPCH will be filled in the system message 5; And/or,
With the IU interface message of filling in the system message 1 after the renewal.
Step 203 is notified current break down the UE update system message 3 in the sub-district of network side object that user terminal inserts that is used for.
Figure 3 shows that the flow chart of UE update system message 3.
Step 302 judges that sub-district in this system message 3 inserts the state of the sub-district prohibitory sign in the restricted information, if illegal state, then execution in step 303, if be non-illegal state, then directly finish.
Step 303 judges that sub-district in this system message 3 inserts the state of the co-frequency cell gravity treatment sign in the restricted information, if enable state, then execution in step 304, if unallowable state, then execution in step 305.
Step 304, UE carries out the co-frequency cell gravity treatment; Afterwards, former sub-district of breaking down is deleted from closing on the relation of current area, startup is used for indicating cell and forbids the duration timer, and the timing of this timer is that network side is set, and promptly is set in the above-mentioned steps 104.In the present embodiment, the timing length of this timer is 20 seconds.Behind this timer expiry, execution in step 306.
For example, with former sub-district of breaking down is sub-district A, selected co-frequency cell is sub-district B after the gravity treatment, so, after UE enters sub-district B from sub-district A, former sub-district A can be deleted from closing on the relation of sub-district B, select back sub-district A when avoiding under sub-district A does not recover the situation of fault, carrying out gravity treatment once more again.
For example, with former sub-district of breaking down is sub-district A, alien frequencies or different system cell selected after the gravity treatment are sub-district C, so, after UE enters sub-district C from sub-district A, former sub-district A can be deleted from closing on the relation of sub-district C, select back sub-district A when avoiding under sub-district A does not recover the situation of fault, carrying out gravity treatment once more again.
Need to prove, owing to being that sub-district A breaks down and has been set up CELL BARRED in the system message 3 that causes sub-district A, thereby make original UE in the A of sub-district move to B sub-district or sub-district C, so after sub-district A has recovered, system message 3 still can only be broadcasted in the A of sub-district, and the UE among sub-district B or the sub-district C can not be informed to.So originally the UE in the A of sub-district has moved to after sub-district B or the sub-district C, will start a T
BarredTimer has only the system message that just can read sub-district A after overtime, can know just then whether sub-district A has recovered.
The foregoing description is based on the WCDMA system of 3G, but the application described method is used in the other system of supporting 3G equally.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
- Processing method when 1, a kind of network side object that is used for the user terminal access in the sub-district that can support 3G breaks down is characterized in that this method may further comprise the steps:After in network side detects certain sub-district, being used for network side object that user terminal inserts and breaking down, the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to illegal state, be provided with in the sub-district access restricted information and be used for the timing that indicating cell is forbidden the duration timer, the current content that keeps the system message that is used for indicating the network side Obj State that is used for the user terminal access in this sub-district idle message does not make an amendment, afterwards, notify current break down the user terminal update system message 3 in the sub-district of network side object that user terminal inserts that is used for;User terminal receives system message 3, and after judging sub-district in this system message 3 and inserting sub-district prohibitory sign in the restricted information and be illegal state, user terminal carries out the sub-district gravity treatment, afterwards, former sub-district of breaking down is deleted from closing on the relation of current area, startup is used for indicating cell and forbids the duration timer, and the timing of this timer is that network side is set; Behind the timer expiry, this user terminal reads the system message 3 in the former sub-district of breaking down again, determines according to the state of the sub-district prohibitory sign in the system message 3 in this former sub-district of breaking down whether gravity treatment is to former sub-district.
- 2, method according to claim 1 is characterized in that, the process that described user terminal carries out the sub-district gravity treatment may further comprise the steps: judge the current state of co-frequency cell gravity treatment sign,If the co-frequency cell gravity treatment is masked as enable state, then user terminal carries out the co-frequency cell gravity treatment;If the co-frequency cell gravity treatment is masked as non-enable state, then user terminal carries out alien frequencies or different system cell gravity treatment.
- 3, method according to claim 1, it is characterized in that, when network side object that network side detects being used for of breaking down user terminal inserts recover normal after, further comprise: the sub-district prohibitory sign that the sub-district is inserted in the restricted information in the system message 3 is set to non-illegal state, with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message is content after the current reparation, afterwards, notify current break down the user terminal update system message 3 in the sub-district of network side object that user terminal inserts that is used for once more.
- According to claim 1 or 3 described methods, it is characterized in that 4, the described network side object that is used for the user terminal access is Physical Random Access Channel PRACH or secondary Common Control Physical Channel SCCPCH or IU interface, or above three's combination in any.
- 5, method according to claim 4 is characterized in that,When the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5;When the described network side object that is used for the user terminal access was the IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 1;When the described network side object that is used for the user terminal access was the combination of PRACH or SCCPCH or PRACH and SCCPCH and IU interface, being used to indicate the system message of the network side Obj State that is used for the user terminal access in the described idle message was system message 5 and system message 1.
- 6, method according to claim 5 is characterized in that, described is that the process of the content after the current reparation is with the content update that is used for indicating the system message that is used for the network side Obj State that user terminal inserts in the idle message:PRACH after the renewal and the parameter of SCCPCH will be filled in the system message 5; And/or,With the IU interface message of filling in the system message 1 after the renewal.
- 7, method according to claim 1 is characterized in that, the sub-district of described network side setting is inserted in the restricted information and is used for the length that indicating cell is forbidden the timing of duration timer, is less than or equal to the maximum of stipulating in the agreement.
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| JPH05181773A (en) * | 1991-12-27 | 1993-07-23 | Nec Corp | Network managing system |
| CN1190040C (en) * | 2002-09-25 | 2005-02-16 | 北京佳讯飞鸿电气有限责任公司 | Treatment method of user's side equipment fault based on U interface in ring network |
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