CN104145442B - A kind of repositioning method and radio network controller for transmitting sequence number - Google Patents
A kind of repositioning method and radio network controller for transmitting sequence number Download PDFInfo
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- CN104145442B CN104145442B CN201280001432.3A CN201280001432A CN104145442B CN 104145442 B CN104145442 B CN 104145442B CN 201280001432 A CN201280001432 A CN 201280001432A CN 104145442 B CN104145442 B CN 104145442B
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- Prior art keywords
- access
- resource
- resource information
- sequence number
- user equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
Abstract
A kind of repositioning method and radio network controller for transmitting sequence number.The repositioning method of transmission sequence number includes：Radio network controller received data packet；The radio network controller judges whether the first access-in resource information of user equipment in the packet is consistent with the second access-in resource information of the user equipment access-in resource safeguarded in the radio network controller；If it is not, then the transmission sequence number for the packet corresponding with the user equipment that the radio network controller is safeguarded is resetted.When the method achieve user equipment and accessing the new number of initiation again and pass, radio network controller reduces time delay of the radio network controller to data processing to transmitting the reset of sequence number.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of transmission sequence number（TSN, Transmission
Sequence Number）Repositioning method and radio network controller（RNC, Radio Network Controller）.
Background technology
In modern communication networks, ERACH（Enhanced Random Access Channel, the Stochastic accessing of enhancing
Channel）Main function be UE（User Equipment, user equipment）Can be in cell-forward access channel（CELL-
FACH）State uses enhancing Dedicated Physical Data Channel up（Enhanced Dedicated Physical Data
Channel, E-DPDCH）, High-Speed Physical Downlink Shared Channel is used descending（High-Speed Physical
Downlink Shared Channel, HS-PDSCH）Data or signaling are transmitted with higher rate.
Under CELL-FACH states, UE uses public E-DCH（Enhanced Dedicated Channel, enhancing are special
Use channel）Resource carries out ERACH to RNC（Enhanced Random Access Channel, the RACH of enhancing）
DTCH（Dedicated Traffic Channel, Dedicated Traffic Channel）/DCCH（Dedicated Control Channel,
Special control physical channel）During data transfer, the packet that UE is sent has TSN（Transmission Sequence
Number, transmit sequence number）, the TSN to packet for being ranked up, and UE often sends a packet, and the TSN of packet is just
It is incremented by according to certain numerical value, such as the TSN of first packet is 0, the TSN of second packet is 1 ... ....In RNC sides
Maintenance has TSN, and after the RNC often receives a packet of the UE, its TSN safeguarded is also gradually incremented by, such as is receiving UE's
After TSN is 0 packet, RNC maintenance TSN is changed into 1, after the TSN for receiving UE is 1 packet, RNC maintenance TSN
It is changed into 2 ... ....The packet only in TSNs of the TSN for receiving packet for its maintenance, can just be continued to be delivered to by RNC
L3。
However, in the prior art, if UE terminates to count biography, base station（For example, NodeB）In the Common E- that release UE is used
RNC, the TSN of RNC sides is not notified not to reset during DCH resources, when the UE is accessed again initiates new number biography, UE can be right
The TSN of packet renumbers since 0, and now, when RNC receives the packet that same UE is sent, due to RNC sides
TSN does not reset, and RNC can still safeguard TSN when number on UE passes, such as shown in Fig. 1, and UE initiates new number biography, packet from
TSN=0 starts, but notices of the RNC due to not receiving NodeB, TSN=60 that number biography is sent on UE is received, 61
After packet, TSN=62 are still safeguarded, namely the packet for waiting UE to be received to send TSN=62, now, RNC receives UE new
Number pass the packets of TSN=0 sent after, because TSN is not inconsistent, the packet of TSN=0 will not be transferred to L3 by RNC, but one
After directly waiting until TSN re-sequencing timer time-out, the packet of TSN=0 can be just handled, so will result in the delay of data processing.
The content of the invention
The embodiment of the present invention provides a kind of TSN repositioning method and RNC, can realize RNC sides TSN reset, to reduce
The time delay of data processing.
First aspect, there is provided a kind of repositioning method for transmitting sequence number, including：
Radio network controller received data packet；The radio network controller judges user equipment in the packet
Second access of the user equipment access-in resource of the first access-in resource information with being safeguarded in the radio network controller provides
Whether source information is consistent；
If the first access-in resource information and the second access-in resource information are inconsistent, the wireless network control
The transmission sequence number corresponding with the user equipment that device is safeguarded is resetted.
In the first possible implementation, according in a first aspect, the first access-in resource information of the user equipment
The access sequence number of resource number and access-in resource including the user equipment access-in resource.
It is described wireless with reference to first aspect or the first possible implementation in second of possible implementation
Network controller judges that the first access-in resource information of the user equipment is described with being safeguarded in the radio network controller
Whether the second access-in resource information of user equipment access-in resource is consistent, including：
The radio network controller judges that the resource number in the first access-in resource information provides with the described second access
Whether the resource number in source information is consistent；
If the resource number in the first access-in resource information differs with the resource number in the second access-in resource information
Cause, perform the process that the transmission sequence number of the packet corresponding with the user equipment being safeguarded is resetted.
In the third possible implementation, with reference to first aspect or the first possible implementation or second can
The implementation of energy：
If the resource number in the first access-in resource information is consistent with the resource number in the second access-in resource information,
Then determine whether the access sequence number in the first access-in resource information and the access sequence in the second access-in resource information
It is number whether consistent；
If the access sequence number in the first access-in resource information and the access sequence number in the second access-in resource information
Unanimously, the radio network controller continues to safeguard the transmission sequence number of packet corresponding with the user equipment；
If the access sequence number in the first access-in resource information and the access sequence number in the second access-in resource information
It is inconsistent, then perform the mistake that the transmission sequence number of the packet corresponding with the user equipment being safeguarded is resetted
Journey.
In the 4th kind of possible implementation, with reference to first aspect or the first possible implementation to the third can
Can implementation, in the first access-in resource information the access sequence number of access-in resource with the access-in resource be allocated to
The number of the user equipment is incremented by.
In the 5th kind of possible implementation, with reference to first aspect or the first possible implementation to the 4th kind can
The implementation of energy, the span of the access sequence number is 0 ~ 255.
Second aspect, there is provided a kind of radio network controller, including：
Data receipt unit, for received data packet；
Information acquisition unit, the first access of user equipment in the packet received for obtaining the data receipt unit
Resource information；
Information maintenance unit, for safeguarding the second access-in resource information of the user equipment；
Judging unit, the first access-in resource information of the user equipment obtained for judging described information acquiring unit
Whether the second access-in resource information of the user equipment safeguarded with described information maintenance unit is consistent；
Reset unit, for when the judged result of the judging unit is no, described information maintenance unit to be safeguarded
The transmission sequence number of packet corresponding with the user equipment is resetted.
In the first possible implementation, according to second aspect, the first access-in resource information of the user equipment
The access sequence number of resource number and access-in resource including the user equipment access-in resource.
In second of possible implementation, with reference to second aspect or the first possible implementation, the judgement
Unit includes：
First judgment sub-unit, for judging that it is single that the resource number in the first access-in resource information and described information are safeguarded
Whether the resource number in the second access-in resource information that member is safeguarded is consistent；
The reset unit, for when the judged result of first judgment sub-unit is no, described information to be safeguarded
The transmission sequence number for the packet corresponding with the user equipment that unit is safeguarded is resetted.
In the third possible implementation, with reference to second aspect or the first possible implementation or second can
The implementation of energy, the judging unit also include：
Second judgment sub-unit, for when the judged result of first judgment sub-unit is is, determining whether institute
State the access sequence number in the first access-in resource information and whether the access sequence number in the second access-in resource information is consistent；
The reset unit, it is additionally operable to, when the judged result of second judgment sub-unit is is, continue maintenance and institute
State the transmission sequence number of packet corresponding to user equipment；When the judged result of second judgment sub-unit is no, by institute
The transmission sequence number for stating the packet corresponding with the user equipment of information maintenance unit maintenance is resetted.
The third aspect, there is provided a kind of radio network controller, including：
R-T unit, for received data packet；
Processor, in the packet received for judging the R-T unit the first access-in resource information of user equipment with
Whether the second access-in resource information of the user equipment that the processor is safeguarded is consistent；If it is not, then safeguarded with institute
The transmission sequence number for stating packet corresponding to user equipment is resetted.
In the first possible implementation, according to the third aspect, the first access-in resource information of the user equipment
The access sequence number of resource number and access-in resource including the user equipment access-in resource；
The processor, specifically for judging that the resource number in the first access-in resource information provides with the described second access
Whether the resource number in source information is consistent；If the resource number in the first access-in resource information is believed with second access-in resource
Resource number in breath is inconsistent, then the transmission sequence number for the packet corresponding with the user equipment safeguarded is answered
Position；If the resource number in the first access-in resource information is consistent with the resource number in the second access-in resource information, enter
One step judges that the access sequence number in the first access-in resource information is with the access sequence number in the second access-in resource information
It is no consistent；If the access sequence number in the first access-in resource information and the access sequence number one in the second access-in resource information
Cause, then continue to safeguard the transmission sequence number of packet corresponding with the user equipment；If in the first access-in resource information
Access sequence number and the access sequence number in the second access-in resource information it is inconsistent, then it is being safeguarded with the user equipment
The transmission sequence number of corresponding packet is resetted.
In the embodiment of the present invention, RNC is and local with RNC by obtaining the information of the sign UE access-in resources in packet
The UE of maintenance access-in resource information carries out uniformity judgement, you can determines whether the packet is that the new of UE initiations counts the number passed
According to bag, so as to which RNC can reset when access-in resource information is inconsistent to TSN.It the method achieve UE and access hair again
When playing new number and passing, resets of the RNC to TSN, the time delays of RNC data processings is reduced.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram that RNC safeguards TSN in the prior art；
Fig. 2 is a kind of embodiment flow chart for transmitting sequence number repositioning method of the present invention；
Fig. 3 is a kind of another embodiment flow chart for transmitting sequence number repositioning method of the present invention；
Fig. 4 is a kind of first embodiment block diagram of radio network controller of the present invention；
Fig. 5 is a kind of second embodiment block diagram of radio network controller of the present invention；
Fig. 6 is a kind of 3rd embodiment block diagram of radio network controller of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and make of the invention real
Apply the above-mentioned purpose of example, feature and advantage can be more obvious understandable, below in conjunction with the accompanying drawings to technical side in the embodiment of the present invention
Case is described in further detail.
Referring to Fig. 2, for a kind of embodiment flow chart for transmitting sequence number repositioning method of the present invention.
201, RNC received data packets.
In embodiments of the present invention, UE the first access-in resource information is included in the packet that RNC is received, first access
Resource information may indicate that UE initiates the resource situation used when number passes, and follow-up RNC can be according to the first access-in resource information
Whether the packet for judging the reception is packet that UE initiates to send during new re-transmission, and the first access-in resource information can be UE
The resource number of access-in resource and the access sequence number of the access-in resource or other show the information of the access-in resource situation.
202, RNC obtain the first access-in resource information of UE in packet.
RNC is after the packet is received, you can obtains the first access-in resource information of UE in packet.
203, RNC judge whether are UE the first access-in resource information and UE the second access-in resource information for being safeguarded in RNC
Unanimously.
RNC self maintaineds have UE access-in resource information, are designated as the second access-in resource information, the second access-in resource information
Can also be UE access-in resources resource number and the access-in resource access sequence number, the particular content of the second access-in resource information
Can be corresponding with the first access-in resource information, such as the first access-in resource information includes the resource number of UE access-in resources, then
Two access-in resource information can also include the resource number of UE access-in resources, the first access-in resource information and the second access-in resource information
Can be with identical, can also be different.Wherein, the first access-in resource information is only to distinguish RNC from data with the second access-in resource information
The UE access-in resource information of the UE access-in resources information obtained in bag and RNC self maintaineds.
Second access-in resource information of the UE access-in resources of RNC self maintaineds can be from the UE having been received by by RNC
Packet in obtain, the information of UE access-in resources, be base station such as the resource number and access sequence number of access-in resource, such as NodeB
After UE packet is received, framing to RNC transmit when, NodeB actively addition information.In RNC from receiving
After the first access-in resource information that UE is obtained in packet, you can the second access with the UE access-in resources of RNC self maintaineds provides
Source information is compared, and judges whether the first access-in resource information and the second access-in resource information are consistent, and detailed process refer to
The description of subsequent embodiment.
204, the first access-in resource information and the second access-in resource information are inconsistent, then RNC is safeguarded corresponding with UE
The TSN of packet resetted.
If the first access-in resource information and the second access-in resource information are inconsistent, RNC can determine that the packet for UE weights
The packet that new number passes is initiated in new access, and RNC can reset the TSN to the UE packets of its own maintenance, namely
The TSN is reverted into initial value, for example, making TSN return 0.
In another embodiment, if the first access-in resource information is consistent with the second access-in resource information, illustrate UE not
New number biography is initiated, now, RNC can maintain original TSN, and be resetted without TSN.
In the embodiment of the present invention, RNC is and local with RNC by obtaining the information of the sign UE access-in resources in packet
The UE of maintenance access-in resource information carries out uniformity judgement, you can determines whether the packet is that the new of UE initiations counts the number passed
According to bag, so as to which RNC can reset when access-in resource information is inconsistent to TSN.It the method achieve UE and access hair again
When playing new number and passing, resets of the RNC to TSN, the time delays of RNC data processings is reduced.
Referring to Fig. 3, for a kind of another embodiment flow chart for transmitting sequence number repositioning method of the present invention.
The present embodiment is so that UE carries out ERACH DTCH/DCCH data transfers using Common E-DCH resources to RNC as an example
Illustrate.
301, RNC received data packets.
The first access-in resource information of the UE is included in the packet that RNC is received, in the present embodiment, the first access money
Source information includes the resource number of UE access-in resources and the access sequence number of the access-in resource.
Wherein, each common E-DCH resource is respectively provided with resource number, and the span of the resource number can be 0 ~ 31, take
5bit；Each common E-DCH resource safeguards an access sequence number, and the span of the access sequence number can be 0 ~ 255, take
8bit, resource number and access sequence number consume 13bit altogether.The access sequence number is allocated to the UE's with the common E-DCH resource
Number is incremented by, for example, the common E-DCH resource that resource number is N is assigned to UE the 1st time in use, the common E-DCH resource
Serial number 0 is accessed, when being assigned to the UE the 2nd time, it accesses sequence number and is incremented by 1, when n-th is assigned to the UE, and it is accessed
Sequence number is incremented by n-1.The access sequence number can carry out maintenance of turn-taking, namely when the access sequence number of a common E-DCH resource is incremented by
To after 255, when the public resource is again assigned to UE, it accesses sequence number and turn-taked to 0, wherein, N, n are whole more than zero
Number.
If UE, which terminates number, which passes access common E-DCH resource, the MAC-is entities of UE sides again, to be reset, initiated in UE
When new number passes, the TSN of its packet can be numbered from 0.
302, RNC obtain the first access-in resource information of UE in the packet.
RNC obtains the access sequence number of the resource number of UE access-in resources and access-in resource in the packet.
303, RNC judge whether is resource number in resource number and the second access-in resource information in the first access-in resource information
Unanimously.
Because Node B are not notified that RNC when discharging common E-DCH resource, the MAC-is entities of RNC sides corresponding UE are not
Can be reset, its safeguard TSN corresponding with UE do not resetted, still can continue UE last times number pass when TSN after
The number of sequeling.
In the present embodiment, the second access-in resource information of the UE access-in resources of RNC self maintaineds can be from by RNC
Obtained in the UE received packet.When RNC newly receives UE packet, and obtain first of UE in the packet
During access-in resource information, the first access-in resource information and the second access-in resource information are compared RNC, judge that two information are
It is no consistent, determine whether to reset TSN corresponding to the UE of maintenance according to judged result.
First, RNC judges the resource number of the access-in resource in packet and the UE access-in resources of self maintained in sheet
Whether resource number is identical, if the resource number of the resource number of the access-in resource in packet and the UE access-in resources of RNC self maintaineds
Difference, then it is transferred to 304；If the resource number of the resource number of the access-in resource in packet and the UE access-in resources of RNC self maintaineds
It is identical, then it is transferred to 305.
304, RNC are resetted the TSN of maintenance TSNs corresponding with UE.
The resource number of access-in resource in packet is different from the resource number of the UE access-in resources of RNC self maintaineds, then says
Bright UE has initiated new number using new resource and passed, and now, TSN corresponding to the UE that RNC can be safeguarded directly to it is answered
Position, TSN is also reverted into initial value, such as TSN is renumberd since 0.
305, RNC judge the access sequence number in the first access-in resource information and the access sequence number in the second access-in resource information
It is whether consistent.
If the resource number of the access-in resource in packet is identical with the resource number of the UE access-in resources of RNC self maintaineds,
RNC determines whether the second access-in resource information of the access sequence number of access-in resource and self maintained in the first access-in resource information
In access-in resource access sequence number it is whether identical, if in the first access-in resource information the access sequence number of access-in resource and RNC from
The access sequence number of access-in resource in the second access-in resource information that body is safeguarded is identical, then is transferred to 306, if the first access-in resource is believed
The access sequence number of access-in resource in breath in the second access-in resource information of the access sequence number of access-in resource and RNC self maintaineds is not
Together, then 307 are transferred to.
306, RNC continue to safeguard TSN corresponding to UE.
If the access sequence number of access-in resource is identical with the access sequence number of the UE access-in resources of RNC self maintaineds in packet,
Then illustrating that UE does not have and initiate new number biography, the packet that RNC is received is the new packet that UE is sent in same number crossing,
Now, RNC does not reset to TSN, continues to safeguard original TSN.
307, RNC are resetted maintenance TSN corresponding with UE.
If accessing sequence number difference, illustrate that the resource is reassigned to UE, UE reuses the resource and initiated newly
Number passes, and the packet that RNC is received is that the new number of UE initiations passes the packet sent, and RNC can be by maintenance to the UE packets
TSN resetted, TSN also reverted into initial value, such as TSN is returned 0, this is 307 identical with 304.
In the embodiment of the present invention, RNC is and local with RNC by obtaining the information of the sign UE access-in resources in packet
The UE of maintenance access-in resource information carries out uniformity judgement, you can determines whether the packet is that the new of UE initiations counts the number passed
According to bag, so as to which RNC can reset when access-in resource information is inconsistent to TSN.It the method achieve UE and access hair again
When playing new number and passing, resets of the RNC to TSN, the time delays of RNC data processings is reduced.
In addition, in the present embodiment, the resource number and access sequence number of UE access-in resources only take up altogether 13bit length compared with
It is short, and the scope of resource number is 0 ~ 31, and the scope for accessing sequence number is 0 ~ 255, and accesses sequence number and turn-take maintenance, and this allows to
Continuously access repeatedly causes TSN after turn-taking to safeguard that the situation of error greatly reduces to the UE of appearance.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on such understanding, the technical scheme in the embodiment of the present invention substantially or
Say that the part to be contributed to prior art can be embodied in the form of software product, the computer software product can be deposited
Storage is in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are causing a computer equipment（Can be with
It is personal computer, server, or network equipment etc.）Perform some part institutes of each embodiment of the present invention or embodiment
The method stated.
Above is the description to the inventive method embodiment, below to realizing that the device of the above method is introduced.
Referring to Fig. 4, for a kind of first embodiment block diagram of radio network controller of the present invention.
The RNC can include：
Data receipt unit 401, for received data packet；
Information acquisition unit 402, user equipment first connects in the packet for obtaining the reception of data receipt unit 401
Enter resource information；
Information maintenance unit 403, for safeguarding the second access-in resource information of the user equipment access-in resource；
Judging unit 404, the first access-in resource letter of the user equipment obtained for judging information acquisition unit 402
Whether the second access-in resource information for ceasing the user equipment access-in resource safeguarded with described information maintenance unit 403 is consistent；
Reset unit 405, for the judging unit 404 judged result for it is no when, by described information maintenance unit
The 403 transmission sequence numbers corresponding with the user equipment safeguarded are resetted.
Data receipt unit 401 receives the packet that UE is sent, and the first access-in resource information of the UE is included in packet,
The first access-in resource information can be the resource number of UE access-in resources and the access sequence number of the access-in resource；In data receiver list
After member 401 receives the packet, information acquisition unit 402 obtains the first access-in resource information of UE in packet, then, sentences
The first access-in resource information that disconnected unit 404 obtains information acquisition unit 402 connects with the UE safeguarded in information maintenance unit 403
The the second access-in resource information for entering resource is compared, judge the first access-in resource information and the second access-in resource information whether one
Cause, if the first access-in resource information and the second access-in resource information are inconsistent, reset unit 405 is by information maintenance unit 403
The transmission sequence number corresponding with user equipment safeguarded is resetted, and will also be transmitted sequence number and be reverted to initial value.If the
One access-in resource information and the second access-in resource information are inconsistent, then reset unit 404 continues to safeguard transmission sequence corresponding to the UE
Row number.
In the embodiment of the present invention, when RNC realizes UE by said units and accesses the new number of initiation again and pass, RNC is to TSN's
Reset, reduce the time delay of RNC data processings.
Referring to Fig. 5, for a kind of second embodiment block diagram of radio network controller of the present invention.
The RNC can also include data receipt unit 501, information acquisition unit 502, information maintenance unit 503, judge list
Member 504, and reset unit 505, wherein, data receipt unit 501, information acquisition unit 502, information maintenance unit 503 is with before
Corresponding data receipt unit 401 in embodiment is stated, information acquisition unit 402, information maintenance unit 403 is similar, herein no longer
Repeat.
In the present embodiment, the first access of the user equipment included in packet that data receipt unit 501 receives
Resource information includes the resource number of the user equipment access-in resource and the access sequence number of access-in resource.
Judging unit 504 may further include：
First judgment sub-unit 5041, for judging resource number and information maintenance unit in the first access-in resource information
Whether the resource number in 503 the second access-in resource information safeguarded is consistent；
Second judgment sub-unit 5042, for when the judged result of the first judgment sub-unit 5041 is is, judging first
Whether the access sequence number in access-in resource information and the access sequence number in the second access-in resource information are consistent；
Reset unit 505, for when the judged result of the second judgment sub-unit 5042 is no, described information being safeguarded single
The transmission sequence number corresponding with the user equipment that member 503 is safeguarded is resetted.
In another embodiment of the invention, reset unit, it is additionally operable to the judged result in first judgment sub-unit
For it is no when, described information maintenance unit is safeguarded it is corresponding with the user equipment transmission sequence number resetted；Described
The judged result of second judgment sub-unit is when being, to continue to safeguard the transmission sequence of packet corresponding with the user equipment
Number.
In the embodiment of the present invention, when RNC not only realizes UE by said units and accesses the new number of initiation again and pass, RNC pairs
TSN reset, reduce the time delay of RNC data processings；Moreover, the resource number and access sequence number of UE access-in resources only account for altogether
It is shorter with 13bit length, and the scope of resource number is 0 ~ 31, and the scope for accessing sequence number is 0 ~ 255, and accesses sequence number and turn-take dimension
Shield, continuously access repeatedly causes TSN after turn-taking to safeguard that the situation of error greatly reduces to this UE for allowing to occur.
Referring to Fig. 6, for a kind of 3rd embodiment block diagram of radio network controller of the present invention.
The RNC can include：
R-T unit 601, for received data packet；
Processor 602, the first access-in resource of user equipment in the packet received for judging the R-T unit 601
Whether the second access-in resource information of the user equipment that information is safeguarded with the processor is consistent；If it is not, then safeguarded
The transmission sequence number of packet corresponding with the user equipment resetted.
In another embodiment, the first access-in resource of the user equipment included in packet that R-T unit receives
The resource number of the user equipment access-in resource and the access sequence number of access-in resource can be included in information；
Processor, it can be specifically used for judging that the resource number in the first access-in resource information provides with the described second access
Whether the resource number in source information is consistent；If the resource number in the first access-in resource information is believed with second access-in resource
Resource number in breath is inconsistent, then the transmission sequence number for the packet corresponding with the user equipment safeguarded is answered
Position；If the resource number in the first access-in resource information is consistent with the resource number in the second access-in resource information, enter
One step judges that the access sequence number in the first access-in resource information is with the access sequence number in the second access-in resource information
It is no consistent；If the access sequence number in the first access-in resource information and the access sequence number one in the second access-in resource information
Cause, then continue to safeguard the transmission sequence number of packet corresponding with the user equipment；If in the first access-in resource information
Access sequence number and the access sequence number in the second access-in resource information it is inconsistent, then it is being safeguarded with the user equipment
The transmission sequence number of corresponding packet is resetted.
When the RNC realizes UE by said units and accesses the new number of initiation again and pass, resets of the RNC to TSN, reduce
The time delay of RNC data processings.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for system
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the scope of the protection.
Claims (12)
- A kind of 1. repositioning method for transmitting sequence number, it is characterised in that including：Radio network controller received data packet；The radio network controller judge the first access-in resource information of the user equipment in the packet with it is described wireless Whether the second access-in resource information of the user equipment safeguarded in network controller is consistent, the first access-in resource information The resource used for characterizing the user equipment to initiate when number passes；If the first access-in resource information and the second access-in resource information are inconsistent, the radio network controller will The transmission sequence number of packet that it is safeguarded and corresponding with the user equipment is resetted.
- 2. according to the method for claim 1, it is characterised in that the first access-in resource information of the user equipment includes institute State the resource number of user equipment access-in resource and the access sequence number of access-in resource.
- 3. according to the method for claim 2, it is characterised in that the radio network controller is judged in the packet First access-in resource information of user equipment and the second access of the user equipment safeguarded in the radio network controller Whether resource information unanimously includes：The radio network controller judges that the resource number in the first access-in resource information is believed with second access-in resource Whether the resource number in breath is consistent；If the resource number in the first access-in resource information and the resource number in the second access-in resource information are inconsistent, hold The process that the transmission sequence number of the row packet corresponding with the user equipment being safeguarded is resetted.
- 4. according to the method for claim 3, it is characterised in thatIf the resource number in the first access-in resource information is consistent with the resource number in the second access-in resource information, enter One step judges that the access sequence number in the first access-in resource information is with the access sequence number in the second access-in resource information It is no consistent；If the access sequence number in the first access-in resource information is consistent with the access sequence number in the second access-in resource information, The radio network controller continues to safeguard the transmission sequence number of packet corresponding with the user equipment；If the access sequence number in the first access-in resource information differs with the access sequence number in the second access-in resource information Cause, then perform the process that the transmission sequence number of the packet corresponding with the user equipment being safeguarded is resetted.
- 5. method as claimed in any of claims 2 to 4, it is characterised in that in the first access-in resource information The number that access sequence number is allocated to the user equipment with the access-in resource is incremented by.
- 6. according to the method for claim 5, it is characterised in that the span of the access sequence number is 0~255.
- A kind of 7. radio network controller, it is characterised in that including：Data receipt unit, for received data packet；Information acquisition unit, the first access-in resource of user equipment in the packet received for obtaining the data receipt unit Information, the first access-in resource information are used to characterize the resource that the user equipment initiates to use when number passes；Information maintenance unit, for safeguarding the second access-in resource information of the user equipment；Judging unit, the first access-in resource information of the user equipment obtained for judging described information acquiring unit and institute Whether the second access-in resource information for stating the user equipment of information maintenance unit maintenance is consistent；Reset unit, for the judging unit judged result for it is no when, it is that described information maintenance unit is safeguarded and with The transmission sequence number of packet corresponding to the user equipment is resetted.
- 8. radio network controller according to claim 7, it is characterised in that the first access-in resource of the user equipment Information includes the resource number of the user equipment access-in resource and the access sequence number of access-in resource.
- 9. radio network controller according to claim 8, it is characterised in that the judging unit includes：First judgment sub-unit, for judging that the resource number in the first access-in resource information is tieed up with described information maintenance unit Whether the resource number in the second access-in resource information of shield is consistent；The reset unit, for first judgment sub-unit judged result for it is no when, by described information maintenance unit The transmission sequence number for the packet corresponding with the user equipment safeguarded is resetted.
- 10. radio network controller according to claim 9, it is characterised in that the judging unit also includes：Second judgment sub-unit, for when the judged result of first judgment sub-unit is is, determining whether described the Whether the access sequence number in one access-in resource information and the access sequence number in the second access-in resource information are consistent；The reset unit, it is additionally operable to, when the judged result of second judgment sub-unit is is, continue to safeguard and the use The transmission sequence number of packet corresponding to the equipment of family；When the judged result of second judgment sub-unit is no, by the letter The transmission sequence number for the packet corresponding with the user equipment that breath maintenance unit is safeguarded is resetted.
- A kind of 11. radio network controller, it is characterised in that including：R-T unit, for received data packet；Processor, in the packet received for judging the R-T unit the first access-in resource information of user equipment with it is described Whether the second access-in resource information of the user equipment that processor is safeguarded is consistent；It is if it is not, then being safeguarded with the use The transmission sequence number of packet corresponding to the equipment of family is resetted；Wherein, the first access-in resource information is used to characterize the resource that the user equipment initiates to use when number passes.
- 12. radio network controller according to claim 11, it is characterised in thatFirst access-in resource information of the user equipment includes the resource number and access-in resource of the user equipment access-in resource Access sequence number；The processor, specifically for judging that the resource number in the first access-in resource information is believed with second access-in resource Whether the resource number in breath is consistent；If in the resource number and the second access-in resource information in the first access-in resource information Resource number it is inconsistent, then the transmission sequence number for the packet corresponding with the user equipment safeguarded is resetted；If Resource number in the first access-in resource information is consistent with the resource number in the second access-in resource information, then further sentences Whether the access sequence number in the first access-in resource information of breaking and the access sequence number in the second access-in resource information are consistent； If the access sequence number in the first access-in resource information is consistent with the access sequence number in the second access-in resource information, after The continuous transmission sequence number for safeguarding packet corresponding with the user equipment；If the access sequence in the first access-in resource information Number corresponding with the user equipment number inconsistent with the access sequence number in the second access-in resource information, then being safeguarded Resetted according to the transmission sequence number of bag.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/081292 WO2014040241A1 (en) | 2012-09-12 | 2012-09-12 | Resetting method for transmission sequence number and radio network controller |
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| CN104145442A CN104145442A (en) | 2014-11-12 |
| CN104145442B true CN104145442B (en) | 2018-01-23 |
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| CN114942687B (en) * | 2022-05-17 | 2024-04-05 | 上海芯钛信息科技有限公司 | Reset safety mechanism based on monitoring, implementation method and reset circuit |
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| CN104145442A (en) | 2014-11-12 |
| WO2014040241A1 (en) | 2014-03-20 |
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