CN101772010B - Abnormal processing method for terminal and network for packet switching service district refreshment - Google Patents
Abnormal processing method for terminal and network for packet switching service district refreshment Download PDFInfo
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Abstract
The invention discloses an abnormal processing method for a terminal and a network for packet switching service district refreshment, which solves the problems of PS service interruption caused by non-conforming local Qos processing. The method comprises the steps of: (1) under the condition that a service GPRS supporting node (SGSN) is clearly restricted to have no Qos change, if the Modify PDP context Request message at the terminal is received, directly responding the Modify PDP Context Accept message at the terminal without carrying out the Update PDP Context process with the GGSN to achieve the purpose for restoring PS service; and (2) after the terminal sends the Modify PDP context request message, if the RAB of the PS service is found to be normally established, terminating the current Modify PDP context process by the autonomic activity of the terminal, and restoring the maximum bit rate immediately to achieve the purpose for restoring PS service. The invention is applied to the mobile communication field.
Description
Technical field
The terminal when the present invention relates in packet switching (Packet Switched) business cell update take place and the abnormality eliminating method of network; Relate in particular to when in the packet switching service cell update taking place; Under the situation that the PS service exception interrupts, the processing method of terminal and network.
Background technology
Subscriber equipment (User Equipment; UE) at packet switching (the Packet Switched that keeps stream (streaming) or session (conversational) type; PS) cell update (CellUpdate) takes place between service period; Radio network controller (Radio Network Controller; RNC) (Radio Resource Control RRC) connects and discharges, and triggers subscriber equipment and initiates Routing Area Update (Routing Area Update in new sub-district possibly to initiate the Radio Resource control of " direct signaling connection reconstruction (directed signaling connection re-establishment) " reason; RAU) process and GPRS supporting node (Serving GPRS Support Node; SGSN) mutual, and (RadioAccess Bearer is RAB) with the recovery packet switching service to rebuild RAB in new sub-district.
Between the PS service period of stream or conversation type, because the deterioration of wireless environment quality, the terminal may detect with network and lose synchronously, and Radio Link Failure (radio link failure) takes place.Perhaps owing to the deterioration of wireless environment quality, (Signalling Radio Bearer SRB) goes up the generation Radio Link and controls irrecoverable property mistake (RLC unrecoverable error) to cause a certain Signaling Radio Bearer in terminal.According to the prior protocols requirement; When the terminal finds that wireless coverage is lost, should be according to GPRS23.060, the description of Sec 9.2.3.5 is handled as follows in the V720 agreement: (PDP Context Deactivation) is preceding in the PDP deexcitation; If the terminal is because bottom link reason has discharged RAB; It is 0 that maximal bit (bit) speed should be set earlier, behind link-recovery, initiates PDP and revises (PDP context modification) process, in order to recover original RAB.In addition, terminal this moment will re-selecting cell according to protocol requirement, on new sub-district, is carrying out cell updating course.
As shown in Figure 1, if also detecting with the wireless connections at terminal, loses SRNC this moment, and SRNC can be according to 23.060, and " IU discharges (IU Release) " process is initiated in the description of Sec 9.2.3.4 among the V720.Before the PDP deexcitation, if SGSN receive RNC's " IU release ", it is 0 that maximum bit rate then should be set, and in the follow-up business request process, does not initiatively rebuild RAB.
As shown in Figure 2; If SRNC also detected with the wireless connections at terminal and lost this moment; SRNC can be according to 23.060, and the description of Sec 9.2.3.5 among the V720 is initiated " RAB discharges (RAB Release) " and crossed range request release RAB under the situation that does not discharge the IU connection.Before the PDP deexcitation, SGSN receives " the RAB release " of RNC, and it is 0 that maximum bit rate should be set, and in the follow-up business request process, does not initiatively rebuild RAB.
On the other hand; If district reselecting is carried out because Radio Link Failure (Radio Link Failure) or Radio Link are controlled irrecoverable property mistake (RLC unrecoverable error) in the terminal; The words that sub-district of selecting and former sub-district are not subordinated to same RNC; When DRNC receives cell update message; Owing to there is not the connection of Iur interface in the existing network between the RNC, in the time of can't knowing the relevant information at terminal, DRNC illustrated in figures 1 and 2 uses the reason notice UE of " direct signaling connection reconstruction (directed signaling connectionre-establishment) " to carry out RRC connection release.When UE receives the RRC connection release message of this reason, initiate the RAU process earlier, and then initiate the service request process and rebuild former RAB.
When SGSN receives that the Routing Area Update at terminal is accomplished (Routing area update complete) message, find that maximum bit rate is 0, then initiatively do not rebuild RAB.When SGSN receives that the PDP at terminal revises request (Modify PDP Context Request) message; Maximum bit rate (former maximum bit rate) and local (bit rate is 0) of storing of finding this message are inconsistent; Then initiate RAB and revise (RAB modification) process, the maximum bit rate of recovering terminal.
Accomplish the professional process of reconstruction of PS through Routing Area Update (Routing area update) process and PDP Context Modification process, make that the PS business recovery is normal.
Yet; Existing processing mode might occur unusually, and is as shown in Figure 3, when the terminal when new RNC initiates cell update; But former RNC possibly also not detect out of touch or detect with the terminal is out of touch and also send IU to SGSN and discharge or the RAB release message with the terminal; When SGSN abides by the prior protocols realization fully, when it receives that Routing Area Update is accomplished (Routing area update complete) message, find that Qos does not change like this; Be that maximum bit rate is not set to 0, can carry out the RAB process of reconstruction immediately.And PDP modification request (Modify PDP context Request) message of receiving the terminal subsequently finds that maximum bit rate does not change; Do not respond then that (this is because agreement not have to receive under the situation of variation the concrete behavior of SGSN behind the Modify PDP context Request at terminal to maximum bit rate; Present SGSN does not often respond); To cause the terminal to send Modify PDP contextrequest message like this above after the maximum times; Initiate PDP deexcitation request (Deactivate PDP ContextRequest) process, thereby cause the professional abnormal terminals of PS.
Summary of the invention
The terminal when the purpose of this invention is to provide the packet switching service cell update and the abnormality eliminating method of network solve owing to local Qos handles the inconsistent PS service disconnection that causes.
Technical scheme of the present invention is: the terminal when the present invention has disclosed a kind of packet switching service cell update and the abnormality eliminating method of network, and this method comprises:
Cell update takes place in the terminal; Wherein the terminal is when the new wireless network controller is initiated cell update, and is out of touch or detect and the terminal is out of touch sends IU also for GPRS supporting node to discharge or the RAB release message with the terminal but former radio network controller does not also detect;
The Radio Resource control connection of radio network controller discharges, then radio resource control connection reestablishment;
The Routing Area Update process is initiatively initiated at the terminal;
GPRS supporting node finds that local maximum bit rate is not 0, directly carries out the RAB process of reconstruction after receiving that the Routing Area Update at terminal is accomplished message;
GPRS supporting node is received the block data protocol context modify request messages at terminal, if the former maximum bit rate in the message is identical with local maximum bit rate, then directly the block data protocol context of response terminal is revised and received message;
The terminal is received after block data protocol context is revised reception message and is recovered former maximum bit rate, accomplishes the recovery process of packet switching service.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network; Wherein, the release of Radio Resource control connection is that floating radio network controller uses the reason notice terminal of direct signaling connection reconstruction to carry out the release of Radio Resource control connection.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network, wherein, radio resource control connection reestablishment further comprises:
Wireless resource control connection request message is sent to floating radio network controller in the terminal;
Floating radio network controller sends the Radio Resource control connection to the terminal and sets up message;
The terminal reports the Radio Resource control connection to set up to floating radio network controller and accomplishes message.
The terminal when in the above-mentioned packet switching service cell update taking place and the abnormality eliminating method of network, wherein, Routing Area Update further comprises:
The Routing Area Update request message is sent to GPRS supporting node in the terminal;
GPRS supporting node sends Routing Area Update to the terminal and receives message;
The terminal reports Routing Area Update to accomplish message to GPRS supporting node.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network; Wherein, GPRS supporting node is received the block data protocol context modify request messages at terminal; If the former maximum bit rate in the message is identical with local maximum bit rate, processing further comprises:
GPRS supporting node no longer carries out the RAB process of reconstruction;
GPRS supporting node does not carry out the block data protocol context renewal process with Gateway GPRS Support Node;
The block data protocol context of the direct response terminal of GPRS supporting node is revised and is received message.
Terminal when the present invention has disclosed a kind of packet switching service cell update again and the abnormality eliminating method of network, this method comprises:
Cell update takes place in the terminal; Wherein the terminal is when the new wireless network controller is initiated cell update, and is out of touch or detect and the terminal is out of touch sends IU also for GPRS supporting node to discharge or the RAB release message with the terminal but former radio network controller does not also detect;
The Radio Resource control connection of radio network controller discharges, then radio resource control connection reestablishment;
The Routing Area Update process is initiatively initiated at the terminal;
GPRS supporting node finds that local maximum bit rate is not 0, directly carries out the RAB process of reconstruction after receiving that the Routing Area Update at terminal is accomplished message;
GPRS supporting node is received the block data protocol context modify request messages at terminal; If the former maximum bit rate in the message is identical with local maximum bit rate; Then GPRS supporting node does not carry out the block data protocol context renewal process with Gateway GPRS Support Node, and also the block data protocol context of response terminal is not revised and received message;
The terminal is before the receiving block data context is revised request transmission arrival maximum number of times of transmission; If success is being rebuild or rebuild to RAB; Then stop current block data protocol context and revise request process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service; In block data protocol context modification request transmission arrival maximum number of times of transmission; If success is being rebuild or rebuild to RAB; Then no longer carry out the block data protocol context deactivation process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network; Wherein, the release of Radio Resource control connection is that floating radio network controller uses the reason notice terminal of direct signaling connection reconstruction to carry out the release of Radio Resource control connection.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network, wherein, radio resource control connection reestablishment further comprises:
Wireless resource control connection request message is sent to floating radio network controller in the terminal;
Floating radio network controller sends the Radio Resource control connection to the terminal and sets up message;
The terminal reports the Radio Resource control connection to set up to floating radio network controller and accomplishes message.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network, wherein, Routing Area Update further comprises:
The Routing Area Update request message is sent to GPRS supporting node in the terminal;
GPRS supporting node sends Routing Area Update to the terminal and receives message;
The terminal reports Routing Area Update to accomplish message to GPRS supporting node.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network; Wherein, After the RAB process is accomplished at the terminal, find to have ongoing block data protocol context to revise request process, then stop this request process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
Terminal during above-mentioned packet switching service cell update and the abnormality eliminating method of network, wherein,
Revise the timer expiry that receives message when the terminal wait block data protocol context; And still the maximum number of times of transmission of no show block data protocol context modify request messages the time; Success is being rebuild or rebuild to the discovery RAB; Then stop current block data protocol context and revise request process, directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service; Perhaps
Revise the timer expiry that receives message when the terminal wait block data protocol context; And when having arrived the maximum number of times of transmission of block data protocol context modify request messages; Success is being rebuild or rebuild to the discovery RAB; Then no longer carry out the block data protocol context deactivation process, directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
The present invention contrasts prior art has following beneficial effect: when lacking the Iur interactive interfacing between the RNC of existing network; Business is carried out in the process in the PS territory; If RNC and terminal lose alternately, the terminal is avoided because the inconsistent PS territory service disconnection that causes is handled to local Qos in network and terminal.The mode that the present invention adopts mainly contains: (1) is through clearly retraining SGSN (Serving GPRS Support Node; GPRS supporting node) under the situation that Qos does not have to change; If receive the Modify PDP context Request message at terminal; Do not carry out and GGSN (Gateway GPRS Support Node; Gateway GPRS Support Node) UpdatePDP Context process, the directly behavior of response terminal Modify PDP Context Accept message reaches and recovers the professional purpose of PS; (2) independent behaviour through the terminal; Promptly after Modify PDP contextrequest message is sent at the terminal, normally set up, then stop current Modify PDPcontext process if find the professional RAB of PS; And recover maximum bit rate immediately, reach and recover the professional purpose of PS.In the prior art; When lacking the Iur interface between the RNC; At present agreement is carried out in the process to PS territory business, and there is incomplete place in the relevant treatment that terminal and RNC lose mutual the time, makes that UE and SGSN possibly occur local Qos is handled inconsistent situation; It is unusual to make follow-up signalling interactive process occur, and finally causes the PS service disconnection.And the present invention can solve owing to this this Qos handles the inconsistent PS service disconnection that causes through above-mentioned mode, makes that the PS business is able to continue to keep.
Description of drawings
Fig. 1 is the sketch map that the IU of existing protocol regulation discharges the relevant treatment flow process of (IU Release).
Fig. 2 is the sketch map that the RAB of existing protocol regulation discharges the relevant treatment flow process of (RAB Release).
Fig. 3 is the sketch map of the unusual flow process that occurs in the existing protocol.
Fig. 4 is the schematic flow sheet of first embodiment of the abnormality eliminating method of terminal and network when cell update takes place in the PS business of the present invention.
Fig. 5 is the schematic flow sheet of second embodiment of the abnormality eliminating method of terminal and network when cell update takes place in the PS business of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
The invention provides two kinds of embodiment and solve the problems of the prior art, Fig. 4 shows in the PS business of the present invention the flow process of first embodiment of the abnormality eliminating method of terminal and network when cell update takes place.Seeing also Fig. 4, is the detailed description to each step of first embodiment of abnormality eliminating method below.
At first, between the PS service period of stream or conversation type, because the deterioration of wireless environment quality, the terminal may detect with network and lose synchronously, and Radio Link Failure (radio link failure) takes place.Perhaps owing to the deterioration of wireless environment quality, (Signalling RadioBearer SRB) goes up the generation Radio Link and controls irrecoverable property mistake (RLC unrecoverable error) to cause a certain Signaling Radio Bearer in terminal.(PDP Context Deactivation) is preceding in the PDP deexcitation, if the terminal is because bottom link reason has discharged RAB, it is 0 that maximal bit (bit) speed should be set earlier.In addition, terminal this moment will re-selecting cell according to protocol requirement, on new sub-district, is carrying out cell updating course.
Abnormal conditions have been run in the present embodiment; Be the terminal when new RNC initiates cell update (Cell Update), out of touch or detect with the terminal is out of touch and send to SGSN also that IU discharges (IU Release) or RAB discharges (RAB Release) message but former RNC does not also detect with the terminal.
Terminal and DRNC (Drift Radio Network Controller; Floating radio network controller) carry out RRC between again and connect release (RRC Connection Release), the reason notice terminal of DRNC use direct signaling connection reconstruction (directed signaling connection re-establishment) is carried out the RRC connection and is discharged.
Then, carry out the RRC connection reconstruction between terminal and the DRNC.The RRC connection reconstruction was broadly divided into for three steps: RRC connection request (RRC Connection Request) message is sent to DRNC in the terminal; DRNC sends RRC to the terminal and connects foundation (RRC Connection Setup) message, and the terminal reports RRC to set up to DRNC and accomplishes (RRC Connection Setup complete) message.
Then; The Routing Area Update process with SGSN is initiatively initiated at the terminal; Be broadly divided into for three steps: Routing Area Update request (Routing area update request) message is sent to SGSN in the terminal; SGSN sends Routing Area Update to the terminal and receives (Routing area update accept) message, and the terminal reports Routing Area Update to accomplish (Routing area update complete) message to SGSN.
SGSN finds that local maximal bit (bit) speed is not 0 after receiving that the Routing Area Update at terminal is accomplished message, still directly carries out RAB and rebuilds (Radio Access Bearer Setup, RAB SETUP) process.
SGSN receives that the PDP at terminal revises request (Modify PDP context request) message; And if the former maximum bit rate in the message is identical with local maximum bit rate; Then SGSN no longer carries out the RAB process of reconstruction; SGSN does not carry out upgrading (Update PDP Context Request and Update PDPContext Response) process with the PDP of GGSN, but directly the PDP of response terminal revises reception (Modify PDP ContextAccept) message.
The terminal is received after PDP revises reception message and is recovered former maximum bit rate, accomplishes the recovery process of packet switching service.
From said process, can find out; Present embodiment does not have under the situation of variation through clearly retraining SGSN at Qos; After receiving the Modify PDP context Request message at terminal; Do not carry out the Update PDPContext process with GGSN, directly the Modify PDP Context Accept message of response terminal is recovered the professional purpose of PS (packet switching) thereby reach.
Fig. 5 shows in the PS business of the present invention the flow process of second embodiment of the abnormality eliminating method of terminal and network when cell update takes place.Seeing also Fig. 4, is the detailed description to each step of second embodiment of abnormality eliminating method below.
At first, between the PS service period of stream or conversation type, because the deterioration of wireless environment quality, the terminal may detect with network and lose synchronously, and Radio Link Failure (radio link failure) takes place.Perhaps owing to the deterioration of wireless environment quality, (Signalling RadioBearer SRB) goes up the generation Radio Link and controls irrecoverable property mistake (RLC unrecoverable error) to cause a certain Signaling Radio Bearer in terminal.(PDP Context Deactivation) is preceding in the PDP deexcitation, if the terminal is because bottom link reason has discharged RAB, it is 0 that maximal bit (bit) speed should be set earlier.In addition, terminal this moment will re-selecting cell according to protocol requirement, on new sub-district, is carrying out cell updating course.
Abnormal conditions have been run in the present embodiment; Be the terminal when new RNC initiates cell update (Cell Update), out of touch or detect with the terminal is out of touch and send to SGSN also that IU discharges (IU Release) or RAB discharges (RAB Release) message but former RNC does not also detect with the terminal.
Carry out RRC between terminal and the DRNC again and connect release (RRC Connection Release), the reason notice terminal of DRNC use direct signaling connection reconstruction (directed signaling connection re-establishment) is carried out the RRC connection and is discharged.
Then, carry out the RRC connection reconstruction between terminal and the DRNC.The RRC connection reconstruction was broadly divided into for three steps: RRC connection request (RRC Connection Request) message is sent to DRNC in the terminal; DRNC sends RRC to the terminal and connects foundation (RRC Connection Setup) message, and the terminal reports RRC to set up to DRNC and accomplishes (RRC Connection Setup complete) message.
Then; The Routing Area Update process with SGSN is initiatively initiated at the terminal; Be broadly divided into for three steps: Routing Area Update request (Routing area update request) message is sent to SGSN in the terminal; SGSN sends Routing Area Update to the terminal and receives (Routing area update accept) message, and the terminal reports Routing Area Update to accomplish (Routing area update complete) message to SGSN.
SGSN finds that local maximal bit (bit) speed is not 0 after receiving that the Routing Area Update at terminal is accomplished message, still directly carries out RAB and rebuilds (Radio Access Bearer Setup, RAB SETUP) process.
SGSN receives that the PDP at terminal revises request (Modify PDP context request) message; If the former maximum bit rate in the message is identical with local maximum bit rate; Then SGSN does not carry out upgrading (Update PDP Context Request and Update PDP Context Response) process with the PDP of GGSN, and also the PDP of response terminal does not revise and receives (Modify PDP Context Accept) message.
Receiving terminal if RAB is rebuilding or rebuilding success, then stopped current PDP and revises request process before PDP revises request transmission arrival maximum number of times of transmission, directly recovered maximum bit rate, thereby accomplished the recovery process of packet switching service.Revising request at PDP sends and reaches in the maximum number of times of transmission; If RAB is rebuilding or is rebuilding success; Then no longer carry out PDP deexcitation (PDP ContextDeactivation) process, directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
For the step of the preceding paragraph, two kinds of concrete execution modes can be arranged.First kind is after the RAB process of reconstruction is accomplished at the terminal, finds to have ongoing PDP to revise request process, then stops this request process, directly recovers maximum bit rate, thereby accomplishes the recovery process of packet switching service.In this enforcement means, it successfully is a trigger point that RAB rebuilds.
Second kind is predetermined timing device T3381 in introducing agreement.Timer T3381 role is when timing arrives preset value, PDP to be revised request to send number of times increase by 1.The second way is different from first kind of mode part and is initiatively to go to judge whether RAB rebuilds or rebuild.Specifically; The timer T3381 that receives message as terminal wait PDP is overtime; And PDP revises when asking to send no show maximum number of times of transmission still, goes initiatively to judge whether RAB is rebuilding or rebuilding success, then stops current PDP in this way and revises request process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service; The timer T3381 that revises reception message when the terminal wait block data protocol context is overtime; And PDP revises request and sends when having arrived maximum number of times of transmission; Find that RAB is rebuilding or rebuilding success; Then no longer carry out PDP deactivation process (PDP Context Deactivation), directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
From said process, can find out; In the present embodiment; After Modify PDP contextrequest message is sent at the terminal, normally set up if find RAB, then stop current Modify PDP context process; And recover maximum bit rate immediately, recover the professional purpose of PS thereby reach.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; Those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; The foregoing description is made various modifications or variation; Thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (11)
1. the terminal during a packet switching service cell update and the abnormality eliminating method of network, this method comprises:
Cell update takes place in the terminal; Wherein the terminal is when the new wireless network controller is initiated cell update, and is out of touch or detect and the terminal is out of touch sends IU also for GPRS supporting node to discharge or the RAB release message with the terminal but former radio network controller does not also detect;
The Radio Resource control connection of radio network controller discharges, then radio resource control connection reestablishment;
The Routing Area Update process is initiatively initiated at the terminal;
GPRS supporting node finds that local maximum bit rate is not 0, directly carries out the RAB process of reconstruction after receiving that the Routing Area Update at terminal is accomplished message;
GPRS supporting node is received the block data protocol context modify request messages at terminal, if the former maximum bit rate in the message is identical with local maximum bit rate, then directly revises through block data protocol context and receives message response to the terminal;
The terminal is received after block data protocol context is revised reception message and is recovered former maximum bit rate, accomplishes the recovery process of packet switching service.
2. the terminal during packet switching service cell update according to claim 1 and the abnormality eliminating method of network; It is characterized in that it is that floating radio network controller uses the reason notice terminal of direct signaling connection reconstruction to carry out the release of Radio Resource control connection that the Radio Resource control connection discharges.
3. the terminal during packet switching service cell update according to claim 1 and the abnormality eliminating method of network is characterized in that radio resource control connection reestablishment further comprises:
Wireless resource control connection request message is sent to floating radio network controller in the terminal;
Floating radio network controller sends the Radio Resource control connection to the terminal and sets up message;
The terminal reports the Radio Resource control connection to set up to floating radio network controller and accomplishes message.
4. the terminal during packet switching service cell update according to claim 1 and the abnormality eliminating method of network is characterized in that Routing Area Update further comprises:
The Routing Area Update request message is sent to GPRS supporting node in the terminal;
GPRS supporting node sends Routing Area Update to the terminal and receives message;
The terminal reports Routing Area Update to accomplish message to GPRS supporting node.
5. the terminal during packet switching service cell update according to claim 1 and the abnormality eliminating method of network; It is characterized in that; GPRS supporting node is received the block data protocol context modify request messages at terminal; If the former maximum bit rate in the message is identical with local maximum bit rate, processing further comprises:
GPRS supporting node no longer carries out the RAB process of reconstruction;
GPRS supporting node does not carry out the block data protocol context renewal process with Gateway GPRS Support Node;
GPRS supporting node is directly revised through block data protocol context and is received message response to the terminal.
6. the terminal during a packet switching service cell update and the abnormality eliminating method of network, this method comprises:
Cell update takes place in the terminal; Wherein the terminal is when the new wireless network controller is initiated cell update, and is out of touch or detect and the terminal is out of touch sends IU also for GPRS supporting node to discharge or the RAB release message with the terminal but former radio network controller does not also detect;
The Radio Resource control connection of radio network controller discharges, then radio resource control connection reestablishment;
The Routing Area Update process is initiatively initiated at the terminal;
GPRS supporting node finds that local maximum bit rate is not 0, directly carries out the RAB process of reconstruction after receiving that the Routing Area Update at terminal is accomplished message;
GPRS supporting node is received the block data protocol context modify request messages at terminal; If the former maximum bit rate in the message is identical with local maximum bit rate; Then GPRS supporting node does not carry out the block data protocol context renewal process with Gateway GPRS Support Node, does not revise receiving message response to the terminal through block data protocol context yet;
The terminal is before block data protocol context is revised request transmission arrival maximum number of times of transmission; If success is being rebuild or rebuild to RAB; Then stop current block data protocol context and revise request process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service; In block data protocol context modification request transmission arrival maximum number of times of transmission; If success is being rebuild or rebuild to RAB; Then no longer carry out the block data protocol context deactivation process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
7. the terminal during packet switching service cell update according to claim 6 and the abnormality eliminating method of network; It is characterized in that it is that floating radio network controller uses the reason notice terminal of direct signaling connection reconstruction to carry out the release of Radio Resource control connection that the Radio Resource control connection discharges.
8. the terminal during packet switching service cell update according to claim 6 and the abnormality eliminating method of network is characterized in that radio resource control connection reestablishment further comprises:
Wireless resource control connection request message is sent to floating radio network controller in the terminal;
Floating radio network controller sends the Radio Resource control connection to the terminal and sets up message;
The terminal reports the Radio Resource control connection to set up to floating radio network controller and accomplishes message.
9. the terminal during packet switching service cell update according to claim 6 and the abnormality eliminating method of network is characterized in that Routing Area Update further comprises:
The Routing Area Update request message is sent to GPRS supporting node in the terminal;
GPRS supporting node sends Routing Area Update to the terminal and receives message;
The terminal reports Routing Area Update to accomplish message to GPRS supporting node.
10. the terminal during packet switching service cell update according to claim 6 and the abnormality eliminating method of network; It is characterized in that; After the RAB process is accomplished at the terminal, find to have ongoing block data protocol context to revise request process, then stop this request process; Directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
11. the terminal during packet switching service cell update according to claim 6 and the abnormality eliminating method of network is characterized in that,
Revise the timer expiry that receives message when the terminal wait block data protocol context; And still the maximum number of times of transmission of no show block data protocol context modify request messages the time; Success is being rebuild or rebuild to the discovery RAB; Then stop current block data protocol context and revise request process, directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service; Perhaps
Revise the timer expiry that receives message when the terminal wait block data protocol context; And when having arrived the maximum number of times of transmission of block data protocol context modify request messages; Success is being rebuild or rebuild to the discovery RAB; Then no longer carry out the block data protocol context deactivation process, directly recover maximum bit rate, thereby accomplish the recovery process of packet switching service.
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| WO2011110000A1 (en) * | 2010-08-20 | 2011-09-15 | 华为技术有限公司 | Method and apparatus for reporting radio bearer loss message |
| CN102083157A (en) * | 2011-01-06 | 2011-06-01 | 意法·爱立信半导体（北京）有限公司 | Method, terminal and system for processing packet switching domain service |
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