CN101389144A - Routing region updating method and communication terminal - Google Patents
Routing region updating method and communication terminal Download PDFInfo
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- CN101389144A CN101389144A CNA2008102184860A CN200810218486A CN101389144A CN 101389144 A CN101389144 A CN 101389144A CN A2008102184860 A CNA2008102184860 A CN A2008102184860A CN 200810218486 A CN200810218486 A CN 200810218486A CN 101389144 A CN101389144 A CN 101389144A
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Abstract
The invention discloses a routing region updating method, comprising that once detecting changes in the routing region where the mobile terminal is located, a GMM module notifies a SNDCP module to stop distributing SN_PDU sliced data to a LLC module, and notifies the LLC module to stop distributing LLC_PDU user surface data to a RLC module; the LLC module notifies the RLC module to clear all data buffered, and to release an uplink TBF; the LLC module communicates with the network side to complete updating of the terminal routing region; at last sending process to user surface data of the SNDCP and the LLC module is resumed, and user surface data is sent to the network side. The invention further discloses a communication terminal correspondingly. Adopting the provided technical scheme, user surface data previously sent is cleared in starting stage of routing region updating, so that routing region updating time is made faster, discarded data amount in routing region updating process is reduced, and idle port resource is saved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of mobile terminal side GPRS routing region updating method and communication terminal.
Background technology
GPRS (General Packet Radio Service, GPRS) business is a kind of bearer service, be mainly used in the data service of radio communication industry, travelling carriage (Mobile Station, MS) GPRS of side mainly comprises GPRS Mobility Management (GPRS Mobility Management, GMM), subnet dependent converge sublayer agreement (Sub-Network Dependent Convergence Protocol, SNDCP), logic link control (Logical Link Control, LLC), Radio Link control (Radio Link Control, RLC), medium access control (Media Access Control, agreement such as MAC).In the prior art each modular structure of MS side GPRS Routing Area Update as shown in Figure 1, wherein:
The data that MS handles are divided into two classes substantially: signaling plane data, data flow GMM → LLC → RLC; User face data, data flow SNDCP → LLC → RLC.
The GMM module is responsible for carrying out mobile management, handle relevant signaling plane data, and the non-affirmation request of data of LLC primitive (LL_UNITDATA_REQ) and the non-affirmation data of the LLC indications (LL_UNITDATA_IND) by the agreement regulation communicate between the LLC module.
SNDCP resume module user face data issues SNDCP protocol Data Unit (SNDCP Protocol Data Unit, SN_PDU) data to the LLC module.
The LLC module is responsible for described user face data and chain of command data are carried out multiplexing process, forms LLC_PDU, is handed down to the RLC module then.
The RLC module is handled the LLC_PDU from described LLC module, generates RLC_PDU and sends to the bottom module, communicates the renewal of finishing the route district by bottom data transceiver module and network side.
In said structure, Routing Area Update (Routing Area Update, RAU) flow process specifically may further comprise the steps as shown in Figure 2:
201, portable terminal sends the Routing Area Update solicited message to network side, and starts timer T3330;
202, the SGSN of network side (Serving GPRS Support Node, Serving GPRS Support Node) receives and analyzes described request information, sends authentication request to portable terminal;
203, the authentication request of portable terminal response to network side sends International Mobile Station Equipment Identification to network side in Authentication Response;
204, network side portable terminal transmission router upgrades and receives information, and starts timer T3350;
205, portable terminal receives that before T3330 is overtime Routing Area Update receives information, and stops timer T330, and sends Routing Area Update to network side and finish information;
The SGSN of network side receives and stops timer T3350 after Routing Area Update is finished information, with portable terminal in the information updating in old route district in new route district;
Need to prove, between step 201 and step 202, SGSN might issue indication (reset-ind) signaling that resets, and all data that do not form N_PDU are before all abandoned, and portable terminal receives that the SNDCP module of portable terminal after this signaling is with the N_PDU sequence number clear 0 that sends.In step 204, if the network side Authentication Response of mobile terminal receive not then sends router refusal information to portable terminal, withdraw from renewal, portable terminal can not carry out gprs service.In step 205, if portable terminal is then initiated the Routing Area Update request to network side again in the overtime Routing Area Update information that also do not receive of T3330.
In the RAU process, do not allow to send user face data, before beginning Routing Area Update flow process, GMM module notice LLC module stops to issue user face data, i.e. data that issue from the SNDCP module, make the user face data of follow-up arrival can not arrive the RLC module, all be buffered in the LLC module the still normally transmitting-receiving of signaling plane data this moment.
The RLC module has the resource reconfiguration function, this function mainly be to guarantee that the LLC_PDU that the LLC_PDU of high priority has precedence over low priority sends under the situation that RLC_PDU that data form according to each LLC_PDU burst sends continuously.Because the priority of signaling plane data is higher than user face data, so can guarantee that the LLC_PDU at signaling plane data place can have precedence over user face data place LLC_PDU and send.If but the LLC_PDU at certain user face data place part transmission, inside continuity for LLC_PDU in guaranteeing to transmit, be convenient to network side and package, after then this LLC_PDU transmission must being finished, could begin to send the LLC_PDU at signaling plane data place.
The inventor is in realizing process of the present invention, discovery is in above-mentioned prior art, when portable terminal enters new route district and is ready for sending the Routing Area Update request, if this moment, the LLC_PDU data of user's face partly sent, though the signaling plane data are the LLC_PDU data that the LLC_PDU data priority at Routing Area Update request place is higher than the user face data place, but after being sent completely, the LLC_PDU data that also will wait until part transmission could send the LLC_PDU data of signaling plane, this operating delay time of beginning of Routing Area Update, and before Routing Area Update is finished, portable terminal has arrived new route district, can on the sub-district at new place, route district, send data, the core net in new route district does not also write down the relevant information of this travelling carriage, core net is not known the professional corresponding network ip address of this portable terminal yet, so before Routing Area Update is not finished, the data that the LLC_PDU data of the low priority that sends before the equipment of the core network of network side can't be discerned form, and can only abandon, wasted interface-free resources.
Summary of the invention
The embodiment of the invention provides a kind of routing region updating method and communication terminal, to accelerate the Routing Area Update flow process, reduces the data volume of losing in the Routing Area Update process, saves interface-free resources.
In order to reach the foregoing invention purpose, the embodiment of the invention provides a kind of routing region updating method, comprising:
When detecting mobile terminal affiliated route district and change, GPRS Mobility Management GMM module notice subnet dependent converge sublayer agreement SNDCP module stops to issue SNDCP protocol Data Unit SN_PDU fragment data to logic link control LLC module, and notice LLC module stops to issue llc protocol data unit LLC_PDU user face data to Radio Link control RLC module;
All data that described LLC module notifies described RLC module to empty buffer memory, and discharge temporary up-link block flow TBF;
The GMM module issues the Routing Area Update request msg to the LLC module, handles by the LLC module data after send the Routing Area Update request message by RLC module and bottom data transceiver module to network side;
The Routing Area Update that the bottom data transceiver module receives from the networking side receives message, and via after RLC module and the processing of LLC module data, the Routing Area Update after handling is received data pass to the GMM module;
The GMM module issues Routing Area Update to the LLC module and finishes data, handles by the LLC module data after finished message and finish the Routing Area Update flow process to network side transmission Routing Area Update by RLC module and bottom data transceiver module;
Recover described SNDCP module and LLC module the transmission of user face data is handled, send user face data to network side.
Accordingly, the embodiment of the invention also provides a kind of communication terminal, comprising:
Whether detection module is used to detect mobile terminal affiliated route district and changes;
The GMM module, be used for when described detection module detects mobile terminal affiliated route district and changes, send first indication information that indication SNDCP module stops to issue to the LLC module SN_PDU fragment data to the SNDCP module, and send second indication information that indication LLC module stops to issue to the RLC module LLC_PDU user face data to the LLC module;
The SNDCP module is used for buffer memory N_PDU data to be sent and N_PDU data to be confirmed, behind first indication information that receives the described GMM module that arrives, stops to issue the SN_PDU fragment data to the LLC module;
The LLC module is used for stopping to issue to the RLC module LLC-PDU data of user's face behind second indication information that receives from described GMM module, and sends the 3rd indication information that the described RLC module of indication empties data in buffer to the RLC module;
The RLC module is used for emptying the total data of buffer memory behind the 3rd indication information that receives from described LLC module, and discharges up TBF;
The bottom data transceiver module is used for after described RLC module empties the total data of buffer memory and discharges up TBF, communicates the more new technological process of finishing the route district with network side.
A kind of routing region updating method and communication terminal that the embodiment of the invention provides, by when detecting mobile terminal affiliated route district and change, GMM module notice SNDCP module stops to issue the SN_PDU fragment data to the LLC module, and notice LLC module stops to issue the LLC_PDU user face data to the RLC module, empty the total data of buffer memory and discharge up TBF (TemporaryBlock Flow by LLC module notice RLC module, Temporary Block Flow), and then communicate the Routing Area Update of finishing described portable terminal with network side, recovering described SNDCP and LLC module at last handles the transmission of user face data, send user face data to network side, like this, the user face data that before the Routing Area Update incipient stage has emptied, has sent, thereby accelerated the time of Routing Area Update, reduce the data volume of in the Routing Area Update process, losing, saved interface-free resources.
Description of drawings
For the embodiment of the invention or technical scheme of the prior art more clearly are described, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a modular structure schematic diagram relevant with Routing Area Update in the communication terminal of prior art;
Fig. 2 is the flow chart of the Routing Area Update of prior art;
Fig. 3 is the flow chart of a kind of routing region updating method of the embodiment of the invention;
Fig. 4 is the structural representation of a kind of communication terminal of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 3 is the flow chart of a kind of route renewing method provided by the invention, specifically comprises the steps:
Whether 301, detect mobile terminal affiliated route district changes;
Described portable terminal receive to detect by the system message of broadcasting, judges when whether mobile terminal affiliated route district changes, and when being judged as when being, starts the Routing Area Update flow process, also i.e. execution in step 302 then.
302, GMM module notice SNDCP module and LLC module stop process user face data;
Wherein, when transfer of data, the SNDCP module receives the N_PDU data from upper layer application, described N_PDU data are put in the middle of the buffer memory, and be N_PDU sequence number of each N_PDU data allocations, then the N_PDU data in the buffer memory are carried out burst, compressions etc. are handled and are generated the SN_PDU fragment data, can record its corresponding N_PDU sequence number and it be which burst of these N_PDU data in each SN_PDU fragment data head, described SN_PDU fragment data is handed down to the LLC module, after described SN_PDU fragment data is sent to the LLC module, the SNPDU module is not deleted the N_PDU data corresponding with described SN_PDU fragment data at once from buffer memory, but after the affirmation that receives the LLC layer, the N_PDU data are deleted from buffer memory; The LLC module receives from the signaling plane data of GMM module with from the SN_DCP fragment data of SNDCP module, and these data are encrypted according to the result who consults with network side, add LLC protocol headers and afterbody, generate the LLC_PDU data distributing and give the RLC module.When detecting mobile terminal affiliated route district and change, the GMM module at first notifies the SNDCP module to stop to issue described SN_PDU fragment data to the LLC module, and then notice LLC module stops to issue to the RLC module LLC_PDU data of user's face, guaranteed like this when Routing Area Update, user face data is buffered among the SNDCP on upper strata as far as possible, has reduced the data volume of losing in the Routing Area Update process.
303, LLC module notice RLC module empties the total data of buffer memory, and discharges up TBF;
Wherein, when transfer of data, the RLC module receives the LLC_PDU data from user's face of upper strata LLC module, and the LLC_PDU data of described user's face are carried out segmentation, cascade according to agreement regulation, generate the RLC_PDU data distributing and give the bottom data transceiver module, include RLC_PDU data to be sent and to be confirmed in the middle of the RLC buffer memory.Described TBF is that in order to support the one-way transmission of LLC_PDU on the packet data radio link, it is made up of the RLC/MAC that some are loaded with one or more LLC_PDU in a physical connection of the management entity use of the Radio Resource of two equities.When portable terminal enters new route district, when being ready for sending the Routing Area Update request, if the LLC_PDU data of user's face part send, at this moment, though the LLC_PDU priority at this signaling plane data Routing Area Update request place is higher than the LLC_PDU at user face data place, but according to the resource reconfiguration function, the LLC_PDU data of signaling plane can not send immediately, and the LLC_PDU data that will wait until the user's face that is sending send the request of signaling plane Routing Area Update after being sent completely again, this operating delay time of beginning of Routing Area Update, and the LLC_PDU data of user's face of the low priority that sends before send, because before Routing Area Update is finished, portable terminal has arrived new route district, can on the sub-district at new place, route district, send data, but also do not write down the relevant information of this portable terminal on the core net in new route district, core net is not known the professional corresponding network ip address of this portable terminal.So before Routing Area Update was not finished, the equipment of the core network of network side can't be submitted to the data that form the application on the core net, and can only abandon, and has wasted interface-free resources.And embodiment provided by the invention, notify RLC to empty the total data of buffer memory earlier in the Routing Area Update incipient stage, the user face data that has sent before so just having avoided has reduced the data volume of losing to the influence of Routing Area Update flow process in the Routing Area Update process, saved interface-free resources.
304, the GMM module issues the Routing Area Update request msg to the LLC module, handles by the LLC module data after send the Routing Area Update solicited message by RLC module and bottom data transceiver module to network side;
Wherein, the GMM module is when the LLC module issues the Routing Area Update request msg, start timer, this timer is preset with from described GMM module and issues the Routing Area Update request msg to receiving that the Routing Area Update that returns from network side receives the time of information to the LLC module.If the GMM module is not received the Routing Area Update receiving data information that returns from network side in Preset Time, then return step 303, the total data of promptly notifying the RLC module to empty buffer memory once more also sends the Routing Area Update request to network side again.In addition, issue the Routing Area Update request msg in the GMM module to the LLC module, by the LLC module data handle after by RLC module and bottom data transceiver module after network side sends Routing Area Update solicited message step, might be owing to the reason of poor signal, network side is not received the Routing Area Update solicited message from the GMM module, in this case, network side then may send the indication information that resets to the LLC module, after LLC determines to receive the described indication information that resets from network side, then return step 303, the total data of promptly notifying RLC to empty buffer memory once more, and then send Routing Area Update information to network side again by the GMM module.So just can avoid network side to receive two Routing Area Update solicited messages continuously, network side can think that then the Routing Area Update request is unreasonable for the second time, causes the unusual of Routing Area Update flow process.
305, the bottom data transceiver module receives the Routing Area Update reception message from network side, and via after RLC module and the processing of LLC module data, the Routing Area Update after handling is received data pass to the GMM module;
306, the GMM module issues Routing Area Update to the LLC module and finishes data, handles by the LLC module data after finished message and finish the Routing Area Update flow process to network side transmission Routing Area Update by RLC module and bottom data transceiver module;
Wherein, since before stopped the total data that the LLC module has emptied buffer memory to the transmission and the notice RLC module of the LLC_PDU data of user's face, so step 304 to 306 in, that transmits between GMM module, LLC module, RLC module and the bottom data transceiver module has only the signaling plane data and does not have user face data.
307, recover described SNDCP module and LLC module the transmission of user face data is handled, send user face data to network side;
Wherein, after Routing Area Update was finished, GMM module notice SNDCP module continued that N_PDU data to be sent and to be confirmed in the buffer memory are carried out processing generation SN_PDU fragment datas such as burst, compression and is handed down to the LLC module; Described LLC module receives the SN_PDU fragment data from described SNDCP module, encrypts according to the result with the network side negotiation, adds LLC protocol headers and afterbody, generates the LLC_PDU data distributing and gives the RLC module; The RLC module receives the LLC_PDU data from upper strata LLC module, and described LLC_PDU data are carried out segmentation, cascade according to agreement regulation, generate the RLC_PDU data distributing and give the bottom data transceiver module, be sent to network side after handling via the bottom data transceiver module.
With reference to figure 4, be the structural representation of a kind of communication terminal provided by the invention.Described communication terminal comprises: detection module 40, GMM module 41, SNDCP module 42, LLC module 43, RLC module 44, bottom data transceiver module 45.To describe each functions of modules of described communication terminal and contact each other below in detail.
Whether detection module 40 is used to detect mobile terminal affiliated route district and changes;
GMM module 41, be used for when described detection module detects mobile terminal affiliated route district and changes, send first indication information that indication SNDCP module stops to issue to the LLC module SN_PDU fragment data to the SNDCP module, and send second indication information that indication LLC module stops to issue to the RLC module LLC_PDU user face data to the LLC module;
Wherein, described GMM module 41 specifically comprises indicating member 410 and GMM protocol data processing unit 411.Indicating member 410 is used for when described detection module 40 detects mobile terminal affiliated route district and changes, send first indication information that indication SNDCP module stops to issue to the LLC module SN_PDU fragment data to the SNDCP module, and send second indication information that indication LLC module stops to issue to the RLC module LLC_PDU user face data to the LLC module; GMM protocol data processing unit 411 is used for after described RLC module empties the total data of buffer memory, starts the Routing Area Update flow process, and issues the Routing Area Update data to the LLC module.Need to prove, in the Routing Area Update process, if GMM module 41 is not received the Routing Area Update receiving data information that returns from network side in described GMM module 41 in the LLC module issues the Preset Time of Routing Area Update request msg, the total data of then notifying RLC module 44 to empty buffer memory once more, and send the Routing Area Update request to network side again.
Wherein, described SNDCP module 42 specifically comprises SNDCP protocol data processing unit 420, buffer unit 421, control unit 422.SNDCP protocol data processing unit 420 is used for when transfer of data, the N_PDU data to be sent of buffer memory in the described buffer unit and/or N_PDU data to be confirmed are handled, generated the SN_PDU fragment data and issue this SN_PDU fragment data to the LLC module; Buffer unit 421 is used for buffer memory N_PDU data to be sent and N_PDU data to be confirmed; Control unit 422 is used for when first indication information that receives from described GMM module, indicates described SNDCP protocol data processing unit to stop the processing of N_PDU data and stops to issue the SN_PDU fragment data to the LLC module.
Wherein, described RLC module 44 specifically comprises RLC data processing unit 440, buffer unit 441, empties control unit 442.RLC data processing unit 440 is used for the LLC_PDU data from described LLC are handled, and generates the RLC_PDU data and issues this RLC_PDU data to the bottom transceiver module; Buffer unit 441 is used for buffer memory RLC_PDU to be sent and to be confirmed; Empty control unit 442, be used for when the 3rd indication information that receives from described LLC module, emptying the RLC_PDU data to be sent and to be confirmed of buffer memory in the described buffer unit, and discharging up TBF.
Bottom data transceiver module 45 is used for after described RLC module empties the total data of buffer memory and discharges up TBF, communicates the more new technological process of finishing the route district with network side.
In sum, routing region updating method that the embodiment of the invention provides and communication terminal, by when detecting mobile terminal affiliated route district and change, GMM module notice SNDCP module and LLC module stop the processing to user face data, empty the total data of buffer memory and discharge up TBF by LLC module notice RLC module again, and then communicate the Routing Area Update of finishing described portable terminal with network side, recovering described SNDCP and LLC module at last handles the transmission of user face data, send user face data to network side, the scheme that the embodiment of the invention provides, the user face data that before the Routing Area Update incipient stage has emptied, has sent, thereby accelerated the time of Routing Area Update, reduce the data volume of in the Routing Area Update process, losing, saved interface-free resources.
Above disclosed only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1, a kind of routing region updating method is characterized in that, comprising:
When detecting mobile terminal affiliated route district and change, GPRS Mobility Management GMM module notice subnet dependent converge sublayer agreement SNDCP module stops to issue SNDCP protocol Data Unit SN_PDU fragment data to logic link control LLC module, and notice LLC module stops to issue llc protocol data unit LLC_PDU user face data to Radio Link control RLC module;
All data that described LLC module notifies described RLC module to empty buffer memory, and discharge temporary up-link block flow TBF;
The GMM module issues the Routing Area Update request msg to the LLC module, handles by the LLC module data after send the Routing Area Update request message by RLC module and bottom data transceiver module to network side;
The Routing Area Update that the bottom data transceiver module receives from the networking side receives message, and via after RLC module and the processing of LLC module data, the Routing Area Update after handling is received data pass to the GMM module;
The GMM module issues Routing Area Update to the LLC module and finishes data, handles by the LLC module data after finished message and finish the Routing Area Update flow process to network side transmission Routing Area Update by RLC module and bottom data transceiver module;
Recover described SNDCP module and LLC module the transmission of user face data is handled, send user face data to network side.
2, the method for claim 1 is characterized in that, also comprises: during transfer of data, and SNDCP module buffer memory network protocol data unit N_PDU to be sent data and N_PDU data to be confirmed.
3, the method for claim 1, it is characterized in that, issue the routing update request msg in described GMM module to the LLC module, handle by the LLC module data after after the step of network side transmission Routing Area Update request message, also comprise by RLC module and bottom data transceiver module:
Whether judgement is receiving in the LLC module issues the Preset Time of Routing Area Update request msg that from described GMM module the Routing Area Update that returns from network side receives data, if be judged as not, the total data of then notifying the RLC module to empty buffer memory once more also sends the Routing Area Update request to network side again.
4, method as claimed in claim 2 is characterized in that, described SNDCP module of described recovery and LLC module are handled the transmission of user face data, and the step that sends user face data to network side comprises:
Described SNDCP module is handled the data to be sent and/or the data to be confirmed of described buffer memory, generates the SN_PDU fragment data, and issues this SN_PDU fragment data to described LLC module;
Described LLC module is handled described SN_PDU fragment data, generates the LLC_PDU user face data, and issues this LLC_PDU user face data to described RLC module;
Described RLC module is handled described LLC_PDU user face data, generates the RLC_PDU data, and the described RLC_PDU transfer of data that will generate is to the bottom data transceiver module, via being sent to network side after the processing of bottom data transceiver module.
5, the method for claim 1, it is characterized in that, issue the Routing Area Update request msg in described GMM module to the LLC module, handle by the LLC module data after after the step of network side transmission Routing Area Update request message, also comprise by RLC module and bottom data transceiver module:
The LLC module determines whether to receive the Indication message that resets from network side, if be judged as is, the total data of then notifying described RLC module to empty buffer memory once more also sends the Routing Area Update solicited message to network side again.
6, a kind of communication terminal is characterized in that, comprising:
Whether detection module is used to detect mobile terminal affiliated route district and changes;
The GMM module, be used for when described detection module detects mobile terminal affiliated route district and changes, send first indication information that indication SNDCP module stops to issue to the LLC module SN_PDU fragment data to the SNDCP module, and send second indication information that indication LLC module stops to issue to the RLC module LLC_PDU user face data to the LLC module;
The SNDCP module is used for buffer memory N_PDU data to be sent and N_PDU data to be confirmed, behind first indication information that receives from described GMM module, stops to issue the SN_PDU fragment data to the LLC module;
The LLC module is used for stopping to issue to the RLC module LLC_PDU data of user's face behind second indication information that receives from described GMM module, and sends the 3rd indication information that the described RLC module of indication empties data in buffer to the RLC module;
The RLC module is used for emptying the total data of buffer memory behind the 3rd indication information that receives from described LLC module, and discharges up TBF;
The bottom data transceiver module is used for after described RLC module empties the total data of buffer memory and discharges up TBF, communicates the more new technological process of finishing the route district with network side.
7, communication terminal as claimed in claim 6 is characterized in that, described GMM module comprises:
Indicating member, be used for when described detection module detects mobile terminal affiliated route district and changes, send first indication information that indication SNDCP module stops to issue to the LLC module SN_PDU fragment data to the SNDCP module, and send second indication information that indication LLC module stops to issue to the RLC module LLC_PDU user face data to the LLC module;
GMM protocol data processing unit is used for after described RLC module empties the total data of buffer memory, starts the Routing Area Update flow process, and issues the Routing Area Update data to the LLC module.
8, portable terminal as claimed in claim 6 is characterized in that, described SNDCP module comprises:
Buffer unit is used for buffer memory N_PDU data to be sent and N_PDU data to be confirmed;
SNDCP protocol data processing unit, be used for when transfer of data, the N_PDU data to be sent of buffer memory in the described buffer unit and/or N_PDU data to be confirmed are handled, generated the SN_PDU fragment data and issue this SN_PDU fragment data to the LLC module;
Control unit is used for when first indication information that receives from described GMM module, indicates described SNDCP protocol data processing unit to stop the processing of N_PDU data and stops to issue the SN_PDU fragment data to the LLC module.
9, communication terminal as claimed in claim 6 is characterized in that, described RLC module comprises:
The rlc protocol data processing unit is used for the LLC_PDU data from described LLC are handled, and generates the RLC_PDU data and issues this RLC_PDU data to the bottom transceiver module;
Buffer unit is used for buffer memory RLC_PDU to be sent and to be confirmed;
Empty control unit, be used for when the 3rd indication information that receives from described LLC module, emptying the RLC_PDU data to be sent and to be confirmed of buffer memory in the described buffer unit, and discharging up TBF.
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| CN101702813A (en) * | 2009-10-12 | 2010-05-05 | 中兴通讯股份有限公司 | Memory operating managing method and memory operating managing device |
| CN103763199A (en) * | 2014-01-10 | 2014-04-30 | 杭州华三通信技术有限公司 | Method and device for processing link state information |
| CN110324074A (en) * | 2018-03-30 | 2019-10-11 | 波音公司 | Mobile routing is carried out to non-geostationary orbit system using virtual flow-line area |
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| NO20006720L (en) * | 2000-12-29 | 2002-07-01 | Ericsson Telefon Ab L M | Procedure for maintaining connection in GPRS networks |
| EP1376950A1 (en) * | 2002-06-21 | 2004-01-02 | Siemens Information and Communication Networks S.p.A. | Method for releasing single TBFs in a mobile radio system |
| SE0400163D0 (en) * | 2004-01-28 | 2004-01-28 | Ericsson Telefon Ab L M | Method and systems of radio communications |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702813A (en) * | 2009-10-12 | 2010-05-05 | 中兴通讯股份有限公司 | Memory operating managing method and memory operating managing device |
| WO2010145311A1 (en) * | 2009-10-12 | 2010-12-23 | 中兴通讯股份有限公司 | Method and device for operating and managing memory |
| US8693503B2 (en) | 2009-10-12 | 2014-04-08 | Zte Corporation | Method and device for operating and managing memory |
| CN101702813B (en) * | 2009-10-12 | 2014-12-10 | 中兴通讯股份有限公司 | Memory operating managing method and memory operating managing device |
| CN103763199A (en) * | 2014-01-10 | 2014-04-30 | 杭州华三通信技术有限公司 | Method and device for processing link state information |
| CN103763199B (en) * | 2014-01-10 | 2017-03-15 | 杭州华三通信技术有限公司 | A kind of link-state information treating method and apparatus |
| CN110324074A (en) * | 2018-03-30 | 2019-10-11 | 波音公司 | Mobile routing is carried out to non-geostationary orbit system using virtual flow-line area |
| CN110324074B (en) * | 2018-03-30 | 2023-05-23 | 波音公司 | Satellite system and method for routing a satellite system |
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