CN102752815B - Transmit the method for logic link control protocol data cell, controller and system - Google Patents
Transmit the method for logic link control protocol data cell, controller and system Download PDFInfo
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- CN102752815B CN102752815B CN201210213733.4A CN201210213733A CN102752815B CN 102752815 B CN102752815 B CN 102752815B CN 201210213733 A CN201210213733 A CN 201210213733A CN 102752815 B CN102752815 B CN 102752815B
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- H04W36/00—Hand-off or reselection arrangements
- H04W36/10—Reselecting an access point controller
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Abstract
The invention discloses a kind of method, controller and the system of transmitting logic link control protocol data cell, belong to communication technical field.Described method comprises: when cross base station controller BSC cell reselection, does mobile station MS obtain logic link control protocol data cell LLC across former BSC affiliated before BSC cell reselection? PDU; The described LLC that described former BSC will get? PDU is carried in RAN informational message and sends to MS across target BS C affiliated after BSC cell reselection, described target BS C is made to obtain described LLC according to described RAN informational message? after PDU, by described LLC? PDU sends to described MS.Does the present invention carry LLC by RAN informational message? the mode of PDU, across during BSC cell reselection by LLC? PDU is delivered to new community from old community, do you comparatively wait for application layer Retransmission timeout LLC? the mode of PDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method, controller and system transmitting logic link control protocol data cell.
Background technology
Along with the fast development of the communication technology, the kind of data service gets more and more, GPRS (GeneralPacketRadioService, GPRS) is as a kind of wireless packet data service of efficient, low cost, and its range of application is more and more wider.In current GPRS network, the data transmission bauds of cell reselection to GPRS network has a significant impact, particularly MS (MobileStation, travelling carriage) carrying out across BSC (BaseStationController, base station controller) transfer of data under cell reselection scene, how to transmit LLC (LogicalLinkControl, logic link control) PDU (ProtocolDataUnit, protocol Data Unit) becomes the key affecting MS Packet Service.
Carrying out the transmission across the LLCPDU under BSC cell reselection scene for MS, what prior art adopted is the mode waiting for application layer Retransmission timeout, by application layer Retransmission timeout LLCPDU.
Because prior art is carrying out the transmission across the LLCPDU under BSC cell reselection scene for MS, be only the mode waiting for application layer Retransmission timeout, and the usual application layer Retransmission timeout time is all very long, therefore all very long for break period across Packet Service under BSC cell reselection scene, affect service quality.
Summary of the invention
In view of this, embodiments provide a kind of method, controller and the system of transmitting logic link control protocol data cell, to solve MS carrying out across under BSC cell reselection scene, longer by the application layer Retransmission timeout LLCPDU time, affect the problem of service quality.Described technical scheme is as follows:
On the one hand, provide a kind of method transmitting logic link control protocol data cell, described method comprises:
When cross base station controller BSC cell reselection, mobile station MS obtains logic link control protocol data cell LLCPDU across former BSC affiliated before BSC cell reselection;
The described LLCPDU got is carried in wireless access network RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, after making described target BS C obtain described LLCPDU according to described RAN informational message, described LLCPDU is sent to described MS;
The described LLCPDU got is carried in wireless access network RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, specifically comprises:
The described LLCPDU got is carried in the first field in the original container of described RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, and is that system message still carries LLCPDU message by RAN informational message described in the second field identification in the original container of described RAN informational message;
Wherein, described first field is the either field in the original container of described RAN informational message, and described second field is other either fields in the original container of described RAN informational message except described first field; Or,
The described LLCPDU got is carried in the container that described RAN informational message newly expands and sends to described MS across the target BS C belonging to after BSC cell reselection by described former BSC, and the container of described new expansion is described LLCPDU special container.
Further, the first field in the original container of described RAN informational message, is specially: the service identifiers/publicly-owned service identifiers SI/PSI field of the Network Assisted Cell Change NACC application of described RAN informational message;
The second field in the original container of described RAN informational message, is specially: the type the type field in the NACC container of described RAN informational message.
On the other hand, provide a kind of base station controller, described base station controller comprises:
Acquisition module, for when cross base station controller BSC cell reselection, obtains logic link control protocol data cell LLCPDU;
Sending module, LLCPDU for being got by described acquisition module is carried in wireless access network RAN informational message and sends to mobile station MS across target BS C affiliated after BSC cell reselection, after making described target BS C obtain described LLCPDU according to described RAN informational message, described LLCPDU is sent to described MS;
Wherein, described sending module, LLCPDU specifically for being got by described acquisition module is carried in the first field in the original container of described RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection, and is that system message still carries LLCPDU message by RAN informational message described in the second field identification in the original container of described RAN informational message;
Wherein, described first field is the either field in the original container of described RAN informational message, and described second field is other either fields in the original container of described RAN informational message except described first field.
Further, described sending module, LLCPDU specifically for being got by described acquisition module is carried in the service identifiers/publicly-owned service identifiers SI/PSI field in the Network Assisted Cell Change NACC container of RAN informational message and sends to described MS across the target BS C belonging to after BSC cell reselection, and to identify described RAN informational message by the type the type field in the NACC container of described RAN informational message be that system message still carries LLCPDU message.
Again on the one hand, additionally provide a kind of method transmitting logic link control protocol data cell, described method comprises:
When cross base station controller BSC cell reselection, mobile station MS receives the wireless access network RAN informational message of described MS across former BSC transmission affiliated before BSC cell reselection across target BS C affiliated after BSC cell reselection, carries logic link control protocol data cell LLCPDU in described RAN informational message;
Described target BS C obtains described LLCPDU according to described RAN informational message, and described LLCPDU is sent to described MS;
When described LLCPDU is specifically carried in the first field in the original container of described RAN informational message, and the described RAN informational message of the second field identification in the original container of described RAN informational message is that system message still carries LLCPDU message, described first field is the either field in the original container of described RAN informational message, when described second field is other either fields in the original container of described RAN informational message except described first field, described target BS C obtains described LLCPDU according to the container of described RAN informational message, specifically comprises:
Described target BS C resolves described RAN informational message, and judges that described RAN informational message is that system message still carries LLCPDU message according to the second field in the original container of the RAN informational message after parsing; If judge that described RAN informational message is as carrying LLCPDU message, then obtain the LLCPDU in the first field in the original container of the RAN informational message after resolving; Or,
When described LLCPDU is specifically carried in the container that described RAN informational message newly expands, when the container of described new expansion is described LLCPDU special container, described target BS C obtains described LLCPDU according to the container of described RAN informational message, specifically comprises:
Described target BS C resolves described RAN informational message, and analytically after the container newly expanded of RAN informational message in obtain LLCPDU.
Further, the first field in the original container of described RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of described RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of described RAN informational message, is specially: the type the type field of the NACC container of described RAN informational message;
Described according to resolve after RAN informational message original container in the second field judge that described RAN informational message is that system message still carries LLCPDU message, specifically comprise:
Judge that described RAN informational message is that system message still carries LLCPDU message according to the type field in the NACC container of the RAN informational message after parsing;
LLCPDU in described the first field obtained in the original container of the RAN informational message after resolving, specifically comprises:
Obtain the LLCPDU in the SI/PSI field in the NACC container of the RAN informational message after resolving.
Another aspect, additionally provides a kind of base station controller, and described base station controller BSC comprises:
Receiver module, for when cross base station controller BSC cell reselection, the wireless access network RAN informational message that receiving mobile MS sends across former BSC affiliated before BSC cell reselection, carries logic link control protocol data cell LLCPDU in described RAN informational message;
Acquisition module, obtains described LLCPDU for the RAN informational message received according to described receiver module;
Sending module, the LLCPDU for being got by described acquisition module sends to described MS;
When described LLCPDU is specifically carried in the first field in the original container of the RAN informational message that described receiver module receives, and the described RAN informational message of the second field identification in the original container of described RAN informational message is that system message still carries LLCPDU message, described first field is the either field in the original container of described RAN informational message, when described second field is other either fields in the original container of described RAN informational message except described first field, described acquisition module, specifically comprises:
Resolution unit, for resolving the RAN informational message that described receiver module receives;
According to the second field in the original container of the RAN informational message after described resolution unit parsing, judging unit, for judging that described RAN informational message is that system message still carries LLCPDU message;
First acquiring unit, if judge that described RAN informational message is as carrying LLCPDU message for described judging unit, then obtains the LLCPDU in the first field in the original container of the RAN informational message after resolving;
Or when described LLCPDU is specifically carried in the container that described RAN informational message newly expands, when the container of described new expansion is described LLCPDU special container, described acquisition module, specifically comprises:
Resolution unit, for resolving the RAN informational message that described receiver module receives;
Second acquisition unit, obtains LLCPDU in the container that the RAN informational message after resolving from described resolution unit is newly expanded.
Further, the first field in the original container of described RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of described RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of described RAN informational message, is specially: the type the type field of the NACC container of described RAN informational message;
According to the type field in the NACC container of the RAN informational message after described resolution unit parsing, described judging unit, specifically for judging that described RAN informational message is that system message still carries LLCPDU message;
Described first acquiring unit, if judge that described RAN informational message is as carrying LLCPDU message specifically for described judging unit, then obtains the LLCPDU in the SI/PSI field in the NACC container of the RAN informational message after resolving.
Additionally provide a kind of system transmitting logic link control protocol data cell, described system comprises: MS across former BSC and MS belonging to before BSC cell reselection across the target BS C belonging to after BSC cell reselection;
Wherein, described MS is the first BSC above-mentioned, described MS across the target BS C belonging to after BSC cell reselection across the former BSC belonging to before BSC cell reselection is above-mentioned the second BSC.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By carrying the mode of LLCPDU with RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of method flow diagram transmitting logic link control protocol data cell that the embodiment of the present invention one provides;
Fig. 2 is the method flow diagram of the another kind transmission logic link control protocol data cell that the embodiment of the present invention one provides;
Fig. 3 is a kind of method flow diagram transmitting logic link control protocol data cell that the embodiment of the present invention two provides;
Fig. 4 is a kind of method flow diagram transmitting logic link control protocol data cell that the embodiment of the present invention two provides;
Fig. 5 is the structural representation of a kind of base station controller that the embodiment of the present invention three provides;
Fig. 6 is the structural representation of a kind of base station controller that the embodiment of the present invention four provides;
Fig. 7 is the structural representation of a kind of acquisition module that the embodiment of the present invention four provides;
Fig. 8 is the structural representation of the another kind of acquisition module that the embodiment of the present invention four provides;
Fig. 9 is a kind of system configuration schematic diagram transmitting logic link control protocol data cell that the embodiment of the present invention five provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Present embodiments provide a kind of method transmitting logic link control protocol data cell, the method for MS because the factor such as shift in position, signal intensity causes reselecting Serving cell, and BSC is not identical with BSC belonging to Target cell belonging to former community, namely across the transfer of data under BSC cell reselection scene, have employed the mode of carrying LLCPDU with RAN informational message, realize when across BSC cell reselection, LLCPDU is by the transmission of old community to new community.First, for MS across the former BSC belonging to before BSC cell reselection for executive agent implements the method, see Fig. 1, the method flow that the present embodiment provides is specific as follows:
101: when across BSC cell reselection, MS obtain LLCPDU across former BSC affiliated before BSC cell reselection;
The LLCPDU got to be carried in RAN informational message and to send to MS across the target BS C belonging to after BSC cell reselection by 102: former BSC, after making target BS C obtain LLCPDU according to RAN informational message, LLCPDU is sent to MS.
Next, for MS across the target BS C belonging to after BSC cell reselection for executive agent implements the method, see Fig. 2, the method flow that the present embodiment provides is specific as follows:
201: when across BSC cell reselection, MS receive the RAN informational message of MS across former BSC transmission affiliated before BSC cell reselection across target BS C affiliated after BSC cell reselection, carry LLCPDU in this RAN informational message;
202: target BS C obtains LLCPDU according to RAN informational message, and LLCPDU is sent to MS.
The method that the present embodiment provides, by carrying the mode of LLCPDU with RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
In order to clearly set forth the method that above-described embodiment provides, in conjunction with foregoing, for following embodiment two and embodiment three, the method transmitting LLCPDU being described in detail, referring to following embodiment two and embodiment three:
Embodiment two
Present embodiments provide a kind of method transmitting logic link control protocol data cell, in conjunction with foregoing, the present embodiment is former BSC with MS across the BSC belonging to before BSC cell reselection, MS is target BS C across BSC affiliated after BSC cell reselection is example, carries out being illustrated across the transmission method of LLCPDU under BSC cell reselection scene to MS.See Fig. 3, the method flow that the present embodiment provides is specific as follows:
301: when across BSC cell reselection, former BSC obtains LLCPDU;
For this step, existing GPRS (GeneralPacketRadioService, general packet radio service) in technology, SGSN (ServingGPRSSupportNode, GPRS serving GPRS support node) LLCPDU will be sent to former BSC, then when across BSC cell reselection, former BSC obtains LLCPDU from SGSN.In addition, can also select other obtain manners, the present embodiment does not limit the mode that former BSC obtains LLCPDU.
The LLCPDU got to be carried in the first field in the original container of RAN informational message and to send to target BS C by 302: former BSC, and by this RAN informational message of the second field identification in the original container of RAN informational message for carrying LLCPDU message;
Wherein, in RAN information management agreement, the realization of different application has come by defining suitable container (Container), the application of current agreement support includes but not limited to NACC (NetworkAssistedCellChange, Network Assisted Cell Change) and MBMS (MultimediaBroadcastMulticastService, multimedia broadcast multi-broadcasting business) etc., the present embodiment is for the container of NACC application correspondence, and the research content reference format in the NACC container of RAN informational message is as shown in table 1 below:
Table 1
In table 1, IEI (InformationElementIdentifier, information element identifies): this field is specially the container of which application for identifying this RAN informational message, for the present embodiment, be applied as example be described with NACC.
LengthIndicator (length indicator): this field is used to indicate the length of information.
ReportingCellIdentifier (reporting cell mark): this field is as the value of the cell identity information element defined in standard.
NumberofSI (ServiceIdentify, service identifiers)/PSI (PublicServiceIdentify, publicly-owned service identifiers) (numbering of SI/PSI): this field is used to indicate the number of (grouping) system message.Perhaps, this number is 0.System message has Multi-instance, and each example be can be regarded as a SI/PSI message.Wherein, NACC supports at most to carry 128 system message examples, such as, each example size of BCCH (BroadcastControlChannel, Broadcast Control Channel) is 21 bytes, PBCCH (PacketBroadcastControlChannel, Packet Broadcast Control CHannel) each example size be 22 bytes, therefore, the maximum number of byte that reality can carry is 2688 bytes or 2816 bytes, is all greater than LLCPDU maximum length.The coding of this part can as shown in table 2 below:
Table 2
| Coding | Semantic |
| 000 0000 | 0"SI/PSI"follows |
| 000 0001 | 1"SI/PSI"follow |
| …… | …… |
| 111 1111 | 127"SI/PSI"follow |
SI/PSI: this field contains reporting cell efficient system message or grouping system message.
Type (type): the type of SI/PSI information that this field instruction ReportingCell (reporting cell) provides, the value of the type is 0 or 1,0 or 1 identify different implications respectively, specifically can as shown in table 3 below:
Table 3
| Coding | Semantic |
| 0 | Representing this RAN informational message is system message |
| 1 | Representing this RAN informational message is grouping system message |
If the type field instruction " SImessagesasspecifiedforBCCH (3GPPTS44.018) follow ", then SI/PSI field contains the system message example into BCCH coding, each system message forms all IE of message payload after containing MessageType byte, each message is 21 byte lengths.
If the type field instruction " PSImessagesasspecifiedforPBCCH (3GPPTS44.060) follow ", then SI/PSI field contains the grouping system message instance into PBCCH coding, each grouping system message contains all the elements after MESSAGE_TYPE byte, and each message is 22 byte lengths.
In conjunction with content format and the above-mentioned explanation explanation to each field of the NACC container of the RAN informational message shown in above-mentioned table 1, when sending to target BS C in the first field that LLCPDU is carried at the original container of RAN informational message by the former BSC in this step, this first field can be the either field in the original container of RAN informational message, the present embodiment does not limit specifically LLCPDU being carried at which field, only to use SI/PSI field to transmit LLCPDU, in the SI/PSI field being carried at NACC container by LLCPDU, send to target BS C.
In addition, in order to distinguish carry in RAN informational message be real system message or carry LLCPDU message, it is the mode that system message still carries LLCPDU message that this step also takes by this RAN informational message of the second field identification in the original container of RAN informational message, this second field is other either fields in the original container of RAN informational message except the first field, and the present embodiment is not to being that system message is still carried LLCPDU message and limited especially by which field identification RAN informational message.Only carry out dividing into example with the type field in the ContainercodingforNACC cell using RAN informational message to define, to distinguish RAN informational message be system message or carry LLCPDU message namely to use the type field.During concrete enforcement, the situation being 1 due to Type value in original agreement is seldom employed, it deletes by the method that thus the present embodiment provides from agreement, can reuse afterwards, namely, when transmitting LLCPDU, the type field is set to 1, that is, Type value identifies this RAN informational message when being 0 be system message, identifies this RAN informational message for carrying LLCPDU message when Type value is 1.
In addition, former BSC can adopt the mode sending RAN informational message in same prior art when target BS C sends RAN informational message, some change of the more existing RAN informational message of content of the RAN informational message just sent, or adopting new send mode for the method that the present embodiment provides, the present embodiment does not limit the mode that former BSC sends RAN informational message to target BS C.
303: target BS C receives the RAN informational message carrying LLCPDU, obtains LLCPDU, and LLCPDU is sent to MS according to this RAN informational message.
For this step, after what target BS C received that former BSC sends carry the RAN informational message of LLCPDU, obtain the mode of LLCPDU about target BS C according to this RAN informational message, the present embodiment is not specifically limited.Because the type field in this RAN informational message can identify this message for carrying LLCPDU message, therefore, after target BS C resolves the RAN informational message received, by judging that RAN informational message is that system message still carries LLCPDU message according to the type field in the NACC container of the RAN informational message after parsing.For target BS C, this embodiment judges that this RAN informational message is for carrying LLCPDU message, LLCPDU in SI/PSI field in the NACC container of the RAN informational message then after target BS C acquisition parsing, can MS be sent it to afterwards, carry out Packet Service to make MS according to LLCPDU.About target BS C, LLCPDU information is sent to the mode of MS, after application layer Retransmission timeout LLCPDU in prior art, LLCPDU also can be sent to MS by target BS C, therefore, in this step, LLCPDU information sends to the mode of MS can adopt existing send mode by target BS C, the method that also can provide for the present embodiment adopts other send modes, and the present embodiment does not do concrete restriction to this.
The method that the present embodiment provides, the mode of LLCPDU is carried by RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Embodiment three
Present embodiments provide a kind of method transmitting logic link control protocol data cell, in conjunction with foregoing, the present embodiment is former BSC with MS across the BSC belonging to before BSC cell reselection, MS is target BS C across BSC affiliated after BSC cell reselection is example, is illustrated the method transmitting LLCPDU.See Fig. 4, the method flow that the present embodiment provides is specific as follows:
401: when across BSC cell reselection, former BSC obtains LLCPDU;
The specific implementation of this step see the associated description of step 301 in above-described embodiment two, can repeat no more herein.
The LLCPDU got to be carried in the container that RAN informational message newly expands and to send to target BS C by 402: former BSC;
For this step, in order to LLCPDU is sent to target BS C, the method that the present embodiment provides takes under the prerequisite of not changing Container Format corresponding to original application, the container of new expansion is added in RAN informational message, using the container of this new expansion as LLCPDU special container, to carry LLCPDU by the container of this new expansion.During concrete enforcement, the present embodiment does not limit the container of expansion new in RAN informational message, and the content table 4 specific as follows in the container only newly expanded with RAN informational message is depicted as example and is described.
Table 4
Above in table 4, container due to this new expansion be expand in original RAN informational message be exclusively used in the container carrying LLCPDU, thus the IEI in table 4 is specially container corresponding to the application of carrying LLCPDU for identifying this RAN informational message, effect can be equal to the effect of the type field in above-described embodiment two, that is, the application that this kind carries LLCPDU identifies by IEI, thus target BS C is after subsequent step receives this RAN informational message, can judge that this message with the addition of LLCPDU by this IEI.The same with the implication in table 1 for LengthIndicator with ReportingCellIdentifier, be still respectively used to as length indicator and reporting cell mark.LLCPDU field in table 4 then for carrying LLCPDU, thus by MS realizing the transmission of LLCPDU across the RAN informational message shown in transmission table 4 during BSC cell reselection.
In addition, the LLCPDU got is carried in the container that RAN informational message newly expands and sends to the mode of target BS C can adopt the mode sending RAN informational message in same prior art by former BSC, some change of the more existing RAN informational message of content of the RAN informational message just sent, or adopting new send mode for the method that the present embodiment provides, the LLCPDU got not to be carried in the container that RAN informational message newly expands former BSC and to send to the mode of target BS C to limit by the present embodiment.
403: target BS C receives the RAN informational message carrying LLCPDU, obtains LLCPDU, and LLCPDU is sent to MS according to this RAN informational message.
For this step, after what target BS C received that former BSC sends carry the RAN informational message of LLCPDU, obtain the mode of LLCPDU about target BS C according to this RAN informational message, the present embodiment is not specifically limited.LLCPDU is carried due in the container that this RAN informational message is newly expanded, therefore, after target BS C resolves the RAN informational message received, can confirm that this RAN informational message carries LLCPDU after reading IEI field, thus can analytically after the container newly expanded of RAN informational message in LLCPDU field in obtain LLCPDU, and this LLCPDU information is sent to MS, carry out Packet Service to make MS according to LLCPDU.About target BS C, LLCPDU information is sent to the mode of MS, after application layer Retransmission timeout LLCPDU in prior art, LLCPDU also can be sent to MS by target BS C, therefore, in this step, LLCPDU information sends to the mode of MS can adopt existing send mode by target BS C, the method that also can provide for the present embodiment adopts other send modes, and the present embodiment does not do concrete restriction to this.
The method that the present embodiment provides, the mode of LLCPDU is carried by RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Embodiment four
Present embodiments provide a kind of base station controller, MS is across the function performed by BSC affiliated before BSC cell reselection for performing in above-described embodiment one to embodiment three for this base station controller, and see Fig. 5, this base station controller comprises:
Acquisition module 51, for when across BSC cell reselection, obtains LLCPDU;
Sending module 52, the LLCPDU for being got by acquisition module 51 is carried in RAN informational message and sends to MS across target BS C affiliated after BSC cell reselection, after making target BS C obtain LLCPDU according to RAN informational message, LLCPDU is sent to MS.
In conjunction with the description of step 302 in above-described embodiment two, this sending module 52, LLCPDU specifically for being got by acquisition module 51 is carried in the first field in the original container of RAN informational message and sends to MS across target BS C affiliated after BSC cell reselection, and is that system message still carries LLCPDU message by the second field identification RAN informational message in the original container of RAN informational message;
Wherein, the first field is the either field in the original container of RAN informational message, and the second field is other either fields in the original container of RAN informational message except the first field.
Further, sending module 52, LLCPDU specifically for being got by acquisition module 51 is carried in the SI/PSI field in the NACC container of RAN informational message and sends to MS across target BS C affiliated after BSC cell reselection, and is that system message still carries LLCPDU message by the type field mark RAN informational message in the NACC container of RAN informational message.
Wherein, RAN informational message is carried the mode of LLCPDU and all can be referred to the associated description of step 302 in above-described embodiment two by the mode that the type field mark RAN informational message is system message or LLCPDU message, repeats no more herein.
Alternatively, in conjunction with the description of step 402 in above-described embodiment three, sending module 52, LLCPDU specifically for being got by acquisition module 51 is carried in the container that RAN informational message newly expands and sends to MS across the target BS C belonging to after BSC cell reselection, and the container of new expansion is LLCPDU special container.
The base station controller that the present embodiment provides, the mode of LLCPDU is carried by RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Embodiment five
Present embodiments provide a kind of base station controller, MS is across the function performed by BSC affiliated after BSC cell reselection for performing in above-described embodiment one to embodiment three for this base station controller, and see Fig. 6, this base station controller comprises:
Receiver module 61, for when across BSC cell reselection, receives the RAN informational message that MS sends across former BSC affiliated before BSC cell reselection, carries LLCPDU in this RAN informational message;
Acquisition module 62, obtains LLCPDU for the RAN informational message received according to receiver module 61;
Sending module 63, sends to MS for the LLCPDU got by acquisition module 62.
Wherein, the mode that receiver module 61 receives RAN informational message refers to the description of step 403 in step 303 and above-described embodiment three in above-described embodiment two, repeats no more herein.Acquisition module 62 obtains the mode of LLCPDU and sending module 63 and is sent to by LLCPDU the mode of MS all to refer to the associated description of step 403 in step 303 in above-described embodiment two and above-described embodiment three, repeats no more herein.
Wherein, LLCPDU is specifically carried in the first field in the original container of the RAN informational message that receiver module receives, and the second field identification in the original container of RAN informational message RAN informational message is that system message still carries LLCPDU message, first field is the either field in the original container of RAN informational message, and the second field is other either fields in the original container of RAN informational message except the first field;
See Fig. 7, this acquisition module 62, specifically comprises:
Resolution unit 621, for resolving the RAN informational message that receiver module 61 receives;
According to the second field in the original container of the RAN informational message after resolution unit 621 parsing, judging unit 622, for judging that RAN informational message is that system message still carries LLCPDU message;
First acquiring unit 623, if judge that RAN informational message is as carrying LLCPDU message for judging unit 622, then obtains the LLCPDU in the first field in the original container of the RAN informational message after resolving.
Further, the first field in the original container of RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of RAN informational message, is specially: the type the type field of the NACC container of RAN informational message;
According to the type field in the NACC container of the RAN informational message after resolution unit 621 parsing, judging unit 622, specifically for judging that RAN informational message is that system message still carries LLCPDU message;
First acquiring unit 723, if judge that RAN informational message is as carrying LLCPDU message specifically for judging unit 722, then obtains the LLCPDU in the SI/PSI field in the NACC container of the RAN informational message after resolving.
Alternatively, LLCPDU is specifically carried in the container that RAN informational message newly expands, and the container of new expansion is LLCPDU special container;
See Fig. 8, this acquisition module 62, specifically comprises:
Resolution unit 621, for resolving the RAN informational message that receiver module receives;
Second acquisition unit 624, obtains LLCPDU in the container that the RAN informational message after resolving newly is expanded for analytically unit 621.
The base station controller that the present embodiment provides, the mode of LLCPDU is carried by RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
Embodiment six
Present embodiments provide a kind of system transmitting logic link control protocol data cell, see Fig. 9, this system comprises:
MS across former BSC91 and MS belonging to before BSC cell reselection across the target BS C92 belonging to after BSC cell reselection;
Wherein, the BSC that provides as above-described embodiment four across the former BSC91 belonging to before BSC cell reselection of MS;
The BSC that MS provides as above-described embodiment five across target BS C92 affiliated after BSC cell reselection.
The system that the present embodiment provides, the mode of LLCPDU is carried by RAN informational message, LLCPDU being delivered to new community from old community across during BSC cell reselection, comparatively wait for the mode of application layer Retransmission timeout LLCPDU, can reduce across service outage duration under BSC cell reselection scene, and then improve service quality.
It should be noted that: the base station controller that above-described embodiment provides is when transmitting LLCPDU, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by controller is divided into different functional modules, to complete all or part of function described above.In addition, the embodiment of the method for the base station controller that above-described embodiment provides, the system transmitting logic link control protocol data cell and transmission logic link control protocol data cell belongs to same design, its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. transmit a method for logic link control protocol data cell, it is characterized in that, described method comprises:
When cross base station controller BSC cell reselection, mobile station MS obtains logic link control protocol data cell LLCPDU across former BSC affiliated before BSC cell reselection;
The described LLCPDU got is carried in wireless access network RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, after making described target BS C obtain described LLCPDU according to described RAN informational message, described LLCPDU is sent to described MS;
The described LLCPDU got is carried in wireless access network RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, specifically comprises:
The described LLCPDU got is carried in the first field in the original container of described RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection by described former BSC, and is that system message still carries LLCPDU message by RAN informational message described in the second field identification in the original container of described RAN informational message;
Wherein, described first field is the either field in the original container of described RAN informational message, and described second field is other either fields in the original container of described RAN informational message except described first field; Or,
The described LLCPDU got is carried in the container that described RAN informational message newly expands and sends to described MS across the target BS C belonging to after BSC cell reselection by described former BSC, and the container of described new expansion is described LLCPDU special container.
2. method according to claim 1, it is characterized in that, the first field in the original container of described RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of described RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of described RAN informational message, is specially: the type the type field in the NACC container of described RAN informational message.
3. a base station controller, is characterized in that, described base station controller comprises:
Acquisition module, for when cross base station controller BSC cell reselection, obtains logic link control protocol data cell LLCPDU;
Sending module, LLCPDU for being got by described acquisition module is carried in wireless access network RAN informational message and sends to mobile station MS across target BS C affiliated after BSC cell reselection, after making described target BS C obtain described LLCPDU according to described RAN informational message, described LLCPDU is sent to described MS;
Described sending module, LLCPDU specifically for being got by described acquisition module is carried in the first field in the original container of described RAN informational message and sends to described MS across target BS C affiliated after BSC cell reselection, and is that system message still carries LLCPDU message by RAN informational message described in the second field identification in the original container of described RAN informational message; Wherein, described first field is the either field in the original container of described RAN informational message, and described second field is other either fields in the original container of described RAN informational message except described first field; Or,
Described sending module, LLCPDU specifically for being got by described acquisition module is carried in the container that described RAN informational message newly expands and sends to described MS across the target BS C belonging to after BSC cell reselection, and the container of described new expansion is described LLCPDU special container.
4. base station controller according to claim 3, it is characterized in that, described sending module, LLCPDU specifically for being got by described acquisition module is carried in the service identifiers/publicly-owned service identifiers SI/PSI field in the Network Assisted Cell Change NACC container of RAN informational message and sends to described MS across the target BS C belonging to after BSC cell reselection, and to identify described RAN informational message by the type the type field in the NACC container of described RAN informational message be that system message still carries LLCPDU message.
5. transmit a method for logic link control protocol data cell, it is characterized in that, described method comprises:
When cross base station controller BSC cell reselection, mobile station MS receives the wireless access network RAN informational message of described MS across former BSC transmission affiliated before BSC cell reselection across target BS C affiliated after BSC cell reselection, carries logic link control protocol data cell LLCPDU in described RAN informational message;
Described target BS C obtains described LLCPDU according to described RAN informational message, and described LLCPDU is sent to described MS;
When described LLCPDU is specifically carried in the first field in the original container of described RAN informational message, and the described RAN informational message of the second field identification in the original container of described RAN informational message is that system message still carries LLCPDU message, described first field is the either field in the original container of described RAN informational message, when described second field is other either fields in the original container of described RAN informational message except described first field, described target BS C obtains described LLCPDU according to the container of described RAN informational message, specifically comprises:
Described target BS C resolves described RAN informational message, and judges that described RAN informational message is that system message still carries LLCPDU message according to the second field in the original container of the RAN informational message after parsing; If judge that described RAN informational message is as carrying LLCPDU message, then obtain the LLCPDU in the first field in the original container of the RAN informational message after resolving; Or,
When described LLCPDU is specifically carried in the container that described RAN informational message newly expands, when the container of described new expansion is described LLCPDU special container, described target BS C obtains described LLCPDU according to the container of described RAN informational message, specifically comprises:
Described target BS C resolves described RAN informational message, and analytically after the container newly expanded of RAN informational message in obtain LLCPDU.
6. method according to claim 5, it is characterized in that, the first field in the original container of described RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of described RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of described RAN informational message, is specially: the type the type field of the NACC container of described RAN informational message;
Described according to resolve after RAN informational message original container in the second field judge that described RAN informational message is that system message still carries LLCPDU message, specifically comprise:
Judge that described RAN informational message is that system message still carries LLCPDU message according to the type field in the NACC container of the RAN informational message after parsing;
LLCPDU in described the first field obtained in the original container of the RAN informational message after resolving, specifically comprises:
Obtain the LLCPDU in the SI/PSI field in the NACC container of the RAN informational message after resolving.
7. a base station controller, is characterized in that, described base station controller BSC comprises:
Receiver module, for when across BSC cell reselection, the wireless access network RAN informational message that receiving mobile MS sends across former BSC affiliated before BSC cell reselection, carries logic link control protocol data cell LLCPDU in described RAN informational message;
Acquisition module, obtains described LLCPDU for the RAN informational message received according to described receiver module;
Sending module, the LLCPDU for being got by described acquisition module sends to described MS;
When described LLCPDU is specifically carried in the first field in the original container of the RAN informational message that described receiver module receives, and the described RAN informational message of the second field identification in the original container of described RAN informational message is that system message still carries LLCPDU message, described first field is the either field in the original container of described RAN informational message, when described second field is other either fields in the original container of described RAN informational message except described first field, described acquisition module, specifically comprises:
Resolution unit, for resolving the RAN informational message that described receiver module receives;
According to the second field in the original container of the RAN informational message after described resolution unit parsing, judging unit, for judging that described RAN informational message is that system message still carries LLCPDU message;
First acquiring unit, if judge that described RAN informational message is as carrying LLCPDU message for described judging unit, then obtains the LLCPDU in the first field in the original container of the RAN informational message after resolving;
Or when described LLCPDU is specifically carried in the container that described RAN informational message newly expands, when the container of described new expansion is described LLCPDU special container, described acquisition module, specifically comprises:
Resolution unit, for resolving the RAN informational message that described receiver module receives;
Second acquisition unit, obtains LLCPDU in the container that the RAN informational message after resolving from described resolution unit is newly expanded.
8. base station controller according to claim 7, it is characterized in that, the first field in the original container of described RAN informational message, is specially: the service identifiers in the Network Assisted Cell Change NACC container of described RAN informational message/publicly-owned service identifiers SI/PSI field;
The second field in the original container of described RAN informational message, is specially: the type the type field of the NACC container of described RAN informational message;
According to the type field in the NACC container of the RAN informational message after described resolution unit parsing, described judging unit, specifically for judging that described RAN informational message is that system message still carries LLCPDU message;
Described first acquiring unit, if judge that described RAN informational message is as carrying LLCPDU message specifically for described judging unit, then obtains the LLCPDU in the SI/PSI field in the NACC container of the RAN informational message after resolving.
9. transmit a system for logic link control protocol data cell, it is characterized in that, described system comprises: former BSC and MS belonging to before mobile station MS cross base station controller BSC cell reselection is across target BS C affiliated after BSC cell reselection;
Wherein, described MS across the former BSC belonging to before BSC cell reselection as described in BSC as described in claim 3 or 4;
Described MS across the target BS C belonging to after BSC cell reselection as described in BSC as described in claim 7 or 8.
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| PCT/CN2013/078024 WO2014000648A1 (en) | 2012-06-26 | 2013-06-26 | Method, controller and system for transferring logical link control protocol data unit |
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| CN101420732A (en) * | 2008-11-28 | 2009-04-29 | 中兴通讯股份有限公司 | Soft switching method and system for cross base station controller, target base station controller |
| CN102098654A (en) * | 2009-12-09 | 2011-06-15 | 中兴通讯股份有限公司 | Method, device and system for controlling local switch |
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| CN101282581B (en) * | 2008-05-27 | 2011-12-07 | 中兴通讯股份有限公司 | Method for hard handoff between bureaus by multiple mobile switching centre identification |
| CN101932056A (en) * | 2009-06-24 | 2010-12-29 | 中兴通讯股份有限公司 | Method for switchover among wireless access systems |
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| CN101146339A (en) * | 2006-09-11 | 2008-03-19 | 华为技术有限公司 | SGSN-spanning switching method and mobile communication network |
| CN101420732A (en) * | 2008-11-28 | 2009-04-29 | 中兴通讯股份有限公司 | Soft switching method and system for cross base station controller, target base station controller |
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