CN101213856B - Method of transmitting control information in wireless communication system and transmission window updating method using the same - Google Patents
Method of transmitting control information in wireless communication system and transmission window updating method using the same Download PDFInfo
- Publication number
- CN101213856B CN101213856B CN2006800153941A CN200680015394A CN101213856B CN 101213856 B CN101213856 B CN 101213856B CN 2006800153941 A CN2006800153941 A CN 2006800153941A CN 200680015394 A CN200680015394 A CN 200680015394A CN 101213856 B CN101213856 B CN 101213856B
- Authority
- CN
- China
- Prior art keywords
- information
- state report
- report information
- pdu
- recipient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
A method of transmitting control information in a wireless communication system and transmission window updating method using the same are disclosed, by which transmission efficiency in a transmitting side can be enhanced. The present invention includes the steps of receiving a first control information block including a first status report information from a receiving side, the first status information providing reception acknowledge information for a plurality of data blocks transmitted to the receiving side, receiving a second control information block including a second status report information placed as a last status report information in the second control information block, and updating the transmission window using the reception acknowledge information in the first status report information.
Description
Technical field
The present invention relates to wireless communication system, more particularly, relate to the method for control information transmission in wireless communication system and the transmission window update method of this method of use.
Background technology
Fig. 1 is the block diagram of UMTS (universal mobile telecommunications system, universal mobile telecommunications system) network configuration.
With reference to figure 1, universal mobile telecommunications system (abbreviating UMTS hereinafter as) mainly comprises subscriber equipment (user equipment, abbreviate UE hereinafter as), UMTS Terrestrial radio access network (UMTS terrestrial radio access network, abbreviate UTRAN hereinafter as) and core network (core network abbreviates CN hereinafter as).
UTRAN comprises a RNS (radio network sub-system abbreviates RNS hereinafter as) at least.RNS comprises the base station (abbreviating NodeB hereinafter as) of a radio network controller (radio network controller abbreviates RNC hereinafter as) and at least one RNC management.And, at least one or a plurality of sub-district are arranged among the Node B.
Fig. 2 is the schematic diagram of UMTS wireless protocols framework.
With reference to figure 2, radio protocol layer appears among UE and the UTRAN in pairs, to be responsible for the transfer of data of wireless portion.
Each radio protocol layer is as described below.
At first, use various Radio Transmission Technologys the effect of transfer of data as the PHY layer performance of ground floor to wireless portion.In the PHY layer, the authentic data PHY layer of wireless portion links to each other with MAC layer as the upper strata by transmission channel.Whether share according to channel, transmission channel mainly is divided into dedicated transmission channel and common transport channels.
The second layer comprises MAC layer, rlc layer, PDCP layer and BMC layer.At first, MAC layer performance is mapped to effect on each transmission channel to various logical channels respectively, and the multiplexing function of logical channels, and this function performance is mapped to an effect on the transmission channel to each logic channel.The MAC layer links to each other with the rlc layer on upper strata by logic channel.
And logic channel mainly is divided into the control channel that is used to transmit chain of command information; With the Traffic Channel that is used for according to the type transfers user plane information of transmitted information.
Simultaneously, according to the type of the transmission channel of concrete management, the MAC layer can be divided into MAC-b sublayer, MAC-d sublayer, MAC-c/sh sublayer and MAC-e sublayer.
The MAC-b layer-management is responsible for the transmission channel BCH (broadcast channel) of system information broadcast.The shared transmission channel of sharing by other UE of MAC-c/sh layer-management and FACH (forward access channel, forward access channel), DSCH (downlink shared channel, DSCH Downlink Shared Channel) etc.MAC-d is responsible for the sublayer the further realization of having aimed at of particular UE these and other advantages of the present invention, according to purpose of the present invention, the method that a kind of transmit leg in mobile communication system upgrades transmission window may further comprise the steps: receive the first control information piece that comprises first state report information from the recipient, described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to the recipient; Upgrade the lower edge of described transmission window with the sequence number of the first nack message corresponding data block of using the confirmation of receipt information in described first state report information.
Preferably, described second state report information is an ACK type superwood section (SUFI).
The management of transmission channel DCFI (dedicatedchannel, dedicated channel).The management of MAC-hs sublayer is used for the transmission channel HS-DSCH (high speed downlink shared channel, high speed descending sharing channel) of high speed data transfer, to support the high speed data transfer in down link and the up link.And the management of MAC-e sublayer is used for the transmission channel E-DCII (enhanced dedicated channel strengthens dedicated channel) of transmitting uplink data.
Radio Link control (radio link control, abbreviate ' RLC ' hereinafter as) responsible service quality (the quality of service that guarantees each radio bearer (radio bearer) of layer, abbreviate ' QoS ' hereinafter as), and the transmission of responsible corresponding data.RLC is provided with an independently RLC entity at each RB place, to guarantee the intrinsic QoS of RB.RLC provides transparent mode (transparentmode, abbreviate ' TM ' hereinafter as), Unacknowledged Mode (unacknowledged mode, abbreviate ' UM ' hereinafter as) and affirmation mode (acknowledged mode, abbreviate ' AM ' hereinafter as) etc. three kinds of RLC patterns, to support various QoS.And the effect of data size is adjusted in the RLC performance, makes lower layer to transmit data to wireless portion.For this reason, the RLC performance is cut apart and the effect of making up the data that receive from upper layer.
Arranged the PDCP layer on rlc layer, this PDCP layer performance is the effect of the data of IP transmitted in packets such as transmission use IPv4 and IPv6 effectively in the wireless portion of less relatively bandwidth.For this reason, the PDCP layer is carried out header compression function, and by this header-compressed, transmission needs the information of datagram header, to improve the efficiency of transmission in the wireless portion.Because header-compressed is the basic function of PDCP layer, so the PDCP layer exists only in the packet service territory (packet service domain abbreviates ' PS territory ' hereinafter as).And each RB has a PDCP entity, for each PS service provides effective header compression function.
In the second layer, on rlc layer, be furnished with BMC (broadcast/multicast control, broadcast/multi broadcast control) layer.The BMC layer is dispatched cell broadcast messages, and the UE that is arranged in specific cell is broadcasted.
The radio resource control layer (radio resource control abbreviates ' RRC ' hereinafter as) that is positioned at the 3rd layer lowermost portion is only defined by chain of command.The parameter of the rrc layer control ground floor and the second layer, with the foundation of RB, reshuffle and release is associated and responsible control logic channel, transmission channel and physical channel.At this, RB refers to the ground floor of wireless protocols and the logical path that the second layer provides, and is used for the transfer of data between UE and the UTRAN.And RB sets up and refers to regulate the characteristic of radio protocol layer and channel special services to be provided and to set up special parameter and the process of operation method.
Below explain in detail rlc layer.
At first, the basic function of rlc layer is QoS assurance and the corresponding transfer of data of each RB.Because the RB service is the service that the second layer offers upper layer, so the whole second layer is all influential to QoS.And the influence of RLC is maximum.RLC is provided with RLC entity independently guaranteeing the intrinsic QoS of RB at each RB place, and TM, UM and three kinds of RLC patterns of AM are provided.Because these three kinds of RLC patterns are all inequality each other aspect the QoS that is supported, so their method of operation and concrete function are all different.Therefore, need investigate RLC according to its operator scheme.
TM RLC is at configuration rlc protocol data cell (protocol data unit, abbreviating ' PDU ' hereinafter as) Shi Buxiang goes up the pattern of additional overhead from the more high-rise RLC service data unit that transmits (service data unit abbreviates ' SDU ' hereinafter as).Specifically, because RLC transmits SDU pellucidly, so be referred to as TM RLC.Because this characteristics, TM RLC brings into play following effect in user's face and chain of command.In user's face, because the data processing time among the RLC is very short, TM RLC carries out the real-time circuit data transmission such as voice or data flow in (circuit service domain abbreviates ' CS territory ' hereinafter as) in the circuit service territory.Simultaneously, in chain of command,,, perhaps under the situation of down link, be responsible for the RRC information broadcast transmission of all UE in the sub-district so RLC is responsible for the RRC transmission of messages of nonspecific UE under the situation of up link owing in RLC, there is not expense.
Different with transparent mode, the pattern of adding expense in RLC is called as non-transparent mode, and non-transparent mode is divided into the Unacknowledged Mode (UM) that the data of being transmitted are not confirmed; With the affirmation pattern (AM) that the data of being transmitted are confirmed.By giving each PDU the additional PDU header that comprises sequence number (sequence number, the back abbreviates ' SN ' as), UM RLC makes the recipient can know which PDU is lost in the transmission course.
Because this function, UM RLC mainly carries out broadcast/multi broadcast transfer of data, PS territory in user's face voice (for example, VoIP) and the transmission of the real time packet data of data flow etc., perhaps in chain of command, send to the transmission that does not need the RRC message confirmed in the RRC message of particular UE in the sub-district or particular UE group.
AM RLC as one of non-transparent mode disposes PDU by add the PDU header that contains SN as UM RLC.But AM RLC is different with UM RLC, and the recipient confirms the PDU that transmit leg sent.The reason that why needs the recipient to confirm in AM RLC is that transmit leg oneself can ask to resend the PDU that is not received.And this retransmitting function is the unique characteristic of AM RLC.Therefore, the purpose of AM RLC is the transfer of data that guarantees zero defect by retransmitting.Because this purpose, the non real-time transmission of packet data of AM RLC main TCP/IP that is responsible for the PS territory etc. in user's face perhaps is responsible for sending to the transmission that needs the RRC message confirmed in the RRC message of particular UE in the sub-district in chain of command.
Aspect directivity, TMRLC or UM RLC are used for one-way communication, and AM RLC is used for two-way communication owing to recipient's feedback.Because two-way communication is mainly used in point-to-point communication, so AM RLC only uses dedicated logical channel.There is following difference in configuration aspects.A RLC entity comprises the transmission structure or receives structure in TMRLC or UM RLC, and has transmit leg and recipient in a RLC entity in AM RLC.
The complexity of AM RLC is owing to retransmitting function causes.AM RLC comprises repeating transmission buffer memory and the transmission/reception buffer memory that is used for repeating management, the various functions of carrying out use transmission/receive window are to carry out flow control, whether the poll transmit leg is from recipient's requesting state information of reciprocity RLC entity, the transmit leg of receive direction equity RLC entity is reported the status report of its buffer status, the status PDU that is used for loaded state information, incidentally (piggyback) that insert status PDU in data PDU is to improve data transmission efficiency etc.
Simultaneously, also have reset PDU, under the situation that AM RLC entity detects a gross mistake in running, the request of sending reset all operations and parameter to the other side's AM RLC entity.And, reset in addition and confirm PDU, be used to respond this reset PDU.In order to support these functions, AMRLC needs variety of protocol parameter, state variable and timer.The PDU, status PDU, reset PDU etc. that are used for Data Transmission Controlling in status information reporting are called as control PDU, and the PDU that is used to transmit user data is called as data PDU.
Generally speaking, the PDU of AM RLC use mainly is divided into two classes.The first kind is a data PDU, and second class is control PDU.And control PDU comprises status PDU, incidentally status PDU (piggybacked status PDU), reset PDU and reset and confirm PDU.
One of situation of using control PDU is a reset operation.Use reset operation to solve the operating error situation of AMRLC.Error situation for example, the common sequence number that uses differs from one another, and fails during perhaps PDU or SDU transmits in the timing limit.By reset operation, the AM RLC reset environment variable of recipient's AM RLC and transmit leg reenters communications status then.
Reset operation is as described below.
At first, decision will begin a side of reset operation, that is, the AM RLC of transmit leg comprises the value of the transmission direction Hyper Frame Number of current use (hyper frame number abbreviates ' HFN ' hereinafter as) in reset PDU, send reset PDU to the recipient then.The AM RLC that has received the recipient of this reset PDU rebuilds the HFN value of its receive direction, then the environmental variance of homing sequence etc.Then, recipient's AM RLC comprises its transmission direction HFN in the affirmation PDU that resets, and sends to reset to the AM of transmit leg RLC then and confirms PDU.Confirm PDU if having received resets, then the AM RLC of transmit leg rebuilds its receive direction HFN value, reset environment variable then.
The structure of the RLC PDU that AM RLC entity uses is as described below.
Fig. 3 is the structure chart of AM RLC PDU.
With reference to figure 3, when AM RLC entity is attempted to send user data or incidentally when state information and poll bit, used AM RLC PDU.User data partly is configured to the multiple of 8 integers, and constructs the header of AM RLC PDU with 2-eight bit byte sequence number.And the header portion of AM RLCPDU comprises length indicator.
Fig. 4 is the structure chart of status PDU.
With reference to figure 4, status PDU comprises dissimilar SUFI (super field, superwood section).The size of status PDU is variable, but is subjected to the restriction of size of maximum RLCPDU of the logic channel of loaded state PDU.At this, the effect of SUFI performance circular information, which kind of AM RLC PDU is this information indicate and arrived recipient or which kind of AM RLC PDU no show recipient etc. still.Constitute SUFI by type, length and value three parts.
Fig. 5 is the structure chart of status PDU incidentally.
With reference to figure 5, the similar of the structure of status PDU and status PDU incidentally, D/C field that different is is retained position (R2) and replaces.In AM RLC PDU, also leave under the situation in enough spaces, insert incidentally status PDU.And the PDU types value can always be fixed to ' 000 '.
Fig. 6 resets to confirm the structure chart of PDU.
With reference to figure 6, reset PDU comprises the sequence number of 1 RSN by name.And to comprise the mode of RSN contained in the reset PDU that receives, sending in response to the reset PDU that receives resets confirms PDU.
The parameter that is used for the PDU form is as described below.
At first, the corresponding PDU of value representation of ' D/C field ' is control PDU or data PDU.
The type of ' PDU type ' expression control PDU.Specifically, the corresponding PDU of ' PDU type ' expression is reset PDU or status PDU etc.
The sequence number information of ' sequence number ' value representation AM RLC PDU.
Simultaneously, when when the recipient has carried out the request of status report, the value of ' poll bit ' is set.
Whether the next eight bit byte of the value representation of ' extension bits (E) ' is length indicator.
The value of ' keeping position (R1) ' is used for reset PDU or resets confirming PDU, and is encoded as ' 000 '.
The next eight bit byte of the value representation of ' header extension position (HE) ' is length indicator or data.
If in the data division of PDU, there is the interface between the different SDU, the interfacial position of the value representation of ' length indicator ' then.
' PAD ' part is the fill area, is the obsolete zone of AM RLC PDU.
SUFI (superwood section) is as described below.
Summarize as top, SUFI brings into play following effect: arrived recipient or which kind of AM RLC PDU no show recipient's etc. information still to which kind of AMRLC PDU of transmit leg circular expression.At present, defined and used eight types SUFI.Each SUFI is made up of type, length and value.
And, various SUFI types are arranged, comprise NO_MORE (No More Data no longer includes data), WINDOW (Window Size, window size), ACK (Acknowledgement, affirmation), LIST (List, tabulation), BITMAP (Bitmap, bitmap), Rlist (Relative list, list related), MRW (Move Receiving Window, movably receiving window), MRWACK (Move Receiving Window Acknowledgement, movably receiving window confirm) etc.
Each type of SUFI is as described below.
(A)NO_MORE?SUFI
Fig. 7 is the structure chart of the NO_MORE SUFI field of prior art.
With reference to figure 7, NO_MORE SUFI only exists as type field.No longer include the effect of SUFI after the NO_MORESUFI performance expression NO_MORE SUFI.Therefore, can be used as PAD (filling) zone to the zone of this SUFI back.
(B)BITMAP?SUFI
Fig. 8 is the structure chart of the BITMAP SUFI field of prior art.
With reference to figure 8, BITMAP SUFI is made up of type (Type), bitmap lengths (LENGTH), start sequence number (FSN) and bitmap (Bitmap).
LENGTH forms by 4, (LENGTH+1) octet-sized of expression bitmap.For example, if LENGTH=' 0000 ', the size of then representing the bitmap eight bit byte is ' 1 '.Because the value of LENGTH can be set to ' 1111 ', so the maximum octet-sized of bitmap can become ' 16 '.
FSN forms by 12, and expression is corresponding to the sequence number of the 1st of bitmap.
According to the assignment of Length field, Bitmap can change.Can represent and state information corresponding to the corresponding AM RLC of the sequence number PDU of the step-length of [FSN, FSN+ (LENGTH+I) * 8-1].According to priority, sequence number increases from left to right, and the accepting state of AM RLC PDU is (undesired reception: NACK) or ' 1 ' (the normal reception: ACK) expression by ' 0 '.
In UE, transmit leg can be deleted the normal AM RLC PDU that receives of expression recipient by BITMAP SUFI report.
(C)ACK?SUFI
Fig. 9 is the structure chart of the ACK SUFI field of prior art.
With reference to figure 9, ACK SUFI is by type (Type) and finish sequence number (Last sequencenumber, LSN) composition.
Similar with NO_MORE SUFI, the effect of the latter end of the data division of ACK SUFI performance expression STATUS PDU.If ACK SUFI is positioned at the latter end of STATUS PDU, then do not need NO_MORE SUFI this moment.In other words, ACK SUFI should be present in not among the STATUS PDU that finishes with NO_MORE SUFI.Can be used as PAD (filling) to the part of ACK SUFI back.
ACK SUFI is responsible for " affirmation " carried out in the reception of all AM RLC PDU, and under the situation of SN＜LSN, the part before STATUS PDU all is reported as does not have mistake.In other words, if LSN＞VR (R) then should send an affirmation information that receives the AM RLC PDU under the error condition with a STATUS PDU.Specifically, receiving under the error condition, the affirmation information of AMRLC PDU can not be to be divided into the form transmission of several STATUS PDU.If LSN=VR (R) is then receiving under the error condition, AM RLC PDU can be to be divided into the form transmission of several STATUS PDU.If LSN＜VR (R) then can not use.And, can be arranged to be equal to or less than VR (H) to the value of LSN.In this case, VR (H) is the SN of the AM RLC PDU that maximum S will arrive afterwards in the AM RLC PDU that the recipient receives.Specifically, have in receiving the AM RLC PDU that the recipient receives under the situation of ' x ' of maximum S, VR (H) becomes (x+1).
Compare by SN, received that the transmit leg of STATUS PDU can upgrade the value of VT (A) the AM RLCPDU of the first wrong accepting state that comprises among LSN and the STATUS PDU.
If the value of the LSN that receives is equal to or less than corresponding to the first SN (SN of first error bit among LSN＜STATUS PDU) that receives wrong AM RLC PDU among the STATUS PDU, then VT (A) is updated to the LSN value.
If the value of the LSN that receives then is updated to VT (A) corresponding to the first SN that receives wrong AM RLC PDU among the STATUS PDU greater than corresponding to the first SN (SN of first error bit among LSN＞STATUS PDU) that receives wrong AM RLC PDU among the STATUS PDU.
VR (R) is the SN that estimates the AM RLC PDU that will receive after last AM RLC PDU that the recipient receives in order.For example, if the recipient is not receiving reception AM RLC PDU under the wrong situation, up to N AM RLC PDU, then VR (R) is (N+1).And, VT (A) be estimate will be after last the AM RLC PDU that receives ACK (normal confirmation of receipt) information, the SN of the AM RLC PDU that receives in order from the recipient of transmit leg.For example, if transmit leg has received ACK (normal confirmation of receipt) information of M AM RLC PDU from the recipient always, then VT (A) is (M+1).
In the prior art, if transmit leg receives status report, then upgrade the lower edge of transmission window with reference to the LSN value that comprises among the ACK SUFI.Promptly, in the prior art, by to the LSN value that receives be reported as the sequence number (SN) that receives wrong AM RLC PDU in status PDU or the incidentally status PDU that is used for status report and compare, the AM RLC of transmit leg upgrades the value of the VT (A) of transmission window lower edge.
Yet in the prior art, receive the ACK SUFI that comprises the LSN value from the recipient before, transmit leg can not upgrade transmission window.The status PDU that comprises ACK SUFI can not be normally received or incidentally under the situation of status PDU,, transmission window can not be upgraded although received AM RLC PDU error-free up to the recipient.Therefore, can not transmit data to the recipient efficiently.
Summary of the invention
Therefore, the present invention relates to the method for control information transmission in wireless communication system and use the transmission window update method of this method, one and a plurality of problems causing with the restriction and the shortcoming of effective solution prior art.
The purpose of this invention is to provide the method for control information transmission in wireless communication system and the transmission window update method of this method of use, can improve the efficiency of transmission of transmit leg by this method.
Another object of the present invention provides the method for control information transmission in wireless communication system and the transmission window update method of this method of use, by this method, if transmit leg obtains the information that the expression recipient has received data block error-free, then can upgrade the transmission window of transmit leg immediately according to the information that is obtained.
Another object of the present invention provides the method for control information transmission in wireless communication system and the transmission window update method of this method of use, can improve the transmission of data blocks speed of transmit leg by this method.
Other features and advantages of the present invention will be set forth in explanation subsequently, and a part can be understood by specification, perhaps can experience by practice of the present invention.By the structure of specifically noting in specification, claims and the accompanying drawing, can realize or obtain these and other advantage of the present invention.
When the sending direction recipient was transmitted a plurality of data block, the receive direction transmit leg sent the state report information of a plurality of reception data blocks.In this case, described state report information comprises confirmation of receipt information, and whether this each data block of confirmation of receipt information representation has the reception mistake.Preferably, send to the control information piece of transmit leg, send described state report information by being included in from the recipient.The recipient can be by being included in state report information in two control information pieces at least, and send the state report information of a plurality of data blocks to transmit leg.Transmit leg uses the state report information renewal transmission window that sends from the recipient.
Receive under the situation of described state report information by at least two control information pieces at transmit leg, if the information that the state report information that comprises from the first control information piece has obtained the data block that the recipient receives error-free (for example, has the first sequence number that receives wrong data block), although then do not receive the second control information piece, transmit leg also can upgrade transmission window.
Simultaneously, in different control information pieces, comprised respectively under the situation of first state report information and second state report information, in a plurality of control information pieces, first state report information that comprises in the control information piece that at first receives of transmit leg comprises the information of the first data block of the tape error that the recipient at first receives.And second state report information is included in the control data piece that sends to transmit leg at last.
Simultaneously, first state report information that comprises in the control data piece that transmit leg from a plurality of control data pieces that transmit leg received, at first receives obtains to have the information that receives wrong first data block.Under the situation that can not normally receive the described control data piece that at first receives, second state report information that transmit leg comprises from the control data piece that is received, in the last received control data piece obtains to have the information that receives wrong first data block.
Data block refers to comprise the data cell of the user data that uses in the specific protocol layer.For example, data block is corresponding to the PDU in the rlc layer (protocol Data Unit).The control information piece refers to comprise the data cell of the control information of using in the specific protocol layer.For example, the control information piece is corresponding to status PDU, status PDU etc. incidentally.And state report information is the status report indicating device that comprises in the control information piece.For example, state report information is corresponding to status PDU or the various SUFI (superwood section) that incidentally comprise in status PDU etc.
In order to realize these and other advantages, according to purpose of the present invention, as specifically implementing and on wide significance, describe ground here, the method that transmit leg in mobile communication system according to the present invention upgrades transmission window comprises the steps: to receive the first control information piece that comprises first state report information from the recipient, and described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to the recipient; Receive the second control information piece, the described second control information piece comprises second state report information that places the second control information piece as last state report information; And the step of using the confirmation of receipt information updating transmission window in described first state report information.
Preferably, described second state report information comprises in a plurality of data blocks of receiving of the described recipient of expression having the first field that receives the sequence number of wrong data block.
Preferably, use with described first state report information in the sequence number of first nack message corresponding data block of confirmation of receipt information, upgrade the lower edge of described transmission window.
Preferably, described first state report information is a bitmap type superwood section (SUFI).
Preferably, described second state report information is an ACK type superwood section (SUFI).
In order further to realize these and other advantages of the present invention, according to purpose of the present invention, a kind of method of upgrading transmission window in mobile communication system may further comprise the steps: receive the first control information piece that comprises first state report information from the recipient, described first state information provides the confirmation of receipt information of a plurality of data blocks that send to the recipient; With the described transmission window of confirmation of receipt information updating that uses in described first state report information.
In order further to realize these and other advantages, according to purpose of the present invention, a kind of to transmit leg control information transmission piece, may further comprise the steps with the method for state report information that the data block that transmit leg sent is provided: the receive direction transmit leg sends the first control information piece that comprises first state report information, and described first state report information provides the confirmation of receipt information of a plurality of data blocks that transmit leg sent; Send the second control information piece with the recipient, the described second control information piece comprises second state report information that places the second control information piece as last state report information, described second state report information comprises the field of the corresponding sequence number in lower edge of expression and receive window, and transmit leg uses the confirmation of receipt information in described first state report information to upgrade described transmission window.
In order further to realize these and other advantages, according to purpose of the present invention, a kind of transmitter that upgrades transmission window in mobile communication system comprises: be used for receiving from the recipient unit of the first control information piece that comprises first state report information, described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to the recipient; Be used to receive the unit of the second control information piece, the described second control information piece comprises second state report information that places the described second control information piece as last state report information; And the unit that uses the described transmission window of confirmation of receipt information updating in described first state report information.
Preferably, described second state report information comprises in a plurality of data blocks of receiving of the described recipient of expression having the first field that receives the sequence number of wrong data block.
Preferably, use with described first state report information in the sequence number of first nack message corresponding data block of confirmation of receipt information, upgrade the lower edge of described transmission window.
The specific descriptions that should be understood that the general introduction of front and back are exemplary with indicative, and aim to provide of the present invention further explanation as claimed in claim.
Description of drawings
Accompanying drawing helps to understand better the present invention, and constitutes the application's a part, and accompanying drawing has shown embodiments of the invention, and explains principle of the present invention with specification.
Among the figure:
Fig. 1 is the block diagram of UMTS (universal mobile telecommunications system) network configuration of prior art;
Fig. 2 is the schematic diagram of the UMTS wireless protocols framework of prior art;
Fig. 3 is the structure chart of the AM RLC PDU of prior art;
Fig. 4 is the structure chart of the status PDU of prior art;
Fig. 5 is the structure chart of the incidentally status PDU of prior art;
Fig. 6 is that resetting of prior art confirmed the structure chart of PDU;
Fig. 7 is the structure chart of the NO MORE SUFI field of prior art;
Fig. 8 is the structure chart of the BITMAP SUFI of prior art;
Fig. 9 is the structure chart of the ACK SUFI of prior art;
Figure 10 is the flow chart of a preferred embodiment of the invention;
Figure 11 and Figure 12 be respectively in accordance with a preferred embodiment of the present invention send to the schematic diagram of the data format of first and second status PDU transmit leg, that be used for status report from the recipient;
Figure 13 is the schematic diagram of the data format of BITMAP expansion SUFI (BITMAPx SUFI) in accordance with a preferred embodiment of the present invention; With
Figure 14 to 17 explains in accordance with a preferred embodiment of the present invention, uses BITMAP expansion SUFI (BITMAPx SUFI) to carry out the schematic diagram of the process of the status report from recipient to the transmit leg.
Embodiment
To describe the preferred embodiments of the present invention in detail now, with reference to the example of description of drawings embodiment.
In following embodiment of the present invention, technical characterictic of the present invention is applied to universal mobile telecommunications system (UMTS).
Figure 10 is the flow chart of a preferred embodiment of the present invention.
With reference to Figure 10, the sending direction recipient sends a plurality of RLC PDU (protocol Data Unit) [S11].As needs, transmit leg can send the request [S12] of solicited status report information to the recipient.Receiving the state report information request of sending or determining to send under the situation of request from transmit leg, recipient's configuration status PDU or incidentally status PDU regularly or aperiodically send the PDU that is disposed then to carry out status report to transmit leg.
The recipient can dispose for a plurality of RLC PDU that send from transmit leg at least one status PDU or incidentally status PDU carrying out status report, and with at least one status PDU of being disposed or incidentally status PDU send to transmit leg.In embodiment as shown in figure 10, the recipient by two status PDU or two incidentally status PDU (being referred to as ' status PDU ' hereinafter) carry out status report [S13, S15] for the accepting state of sequence number (SN) 0 to 99.
Figure 11 and Figure 12 be respectively in accordance with a preferred embodiment of the present invention send to the schematic diagram of the data format of first and second status PDU transmit leg, that be used for status report from the recipient.With reference to Figure 11 and Figure 12, BITMAPx1 SUFI and BITMAXx2 SUFI can represent the confirmation of receipt information of the PDU of SN:0 to SN:99, i.e. ACK/NACK information by configuration bitmap (bitmap).
For example, correspond respectively to SN:30, SN:50, SN:55 and SN:80 if taken place to receive wrong PDU the recipient, can determine that then corresponding to the first SN that receives wrong AM RLC PDU be 30, and can determine that LSN as shown in figure 12, that be included in the ACK SUFI in second status PDU is ' 30 '.That is, the LSN value of ACK SUFI is not to be set to VR (R), but is set to the SN value corresponding to the wrong RLC PDU of first reception.
BITMAPx1 comprises the ACK/NACK information of the PDU of SN:0 to SN:K, and BITMAPx2 comprises SN:(K+1) to the ACK/NACK information of the PDU of SN:99.At this, suppose that K is greater than 30.
Under the situation that receives first status PDU [S13], obtain to belong to the ACK/NACK information of SN:0 to SN:K scope among the BITMAPx1 that transmit leg can comprise from first status PDU.Therefore, transmit leg can know that the PDU of SN:30 is corresponding to first reception mistake.Thereby transmit leg is not waited for other status PDU of reception and is upgraded transmission window [S14] immediately.
That is, know after the status report that transmit leg had before been received, normally received all PDU in order, under situation corresponding to the first PDU that receives wrong SN:30, transmit leg can upgrade the lower edge of transmission window, i.e. VT (A).In this example, owing to being 30, so VT (A) is updated to 30 corresponding to the first SN that receives mistake.And, equal the LSN value that the recipient is provided with corresponding to the first SN that receives mistake.
If transmit leg receives second status PDU [S15], then transmit leg can confirm to be included in the LSN value among the ACK SUFI.Perhaps, can have the ACK SUFI that is not included in second status PDU.
In status report, lost under the situation of first status PDU etc., this means that transmit leg does not receive ACK/NACK information in order by the configuration of at least three status PDU.Therefore, even normally received second status PDU, VT (A) is not updated to SN value corresponding to the first mistake of second status PDU yet.In this case, should use the LSN value that wherein is included among the ACK SUFI to upgrade VT (A) by last status PDU that receives.
In order to represent to use the first SN that receives wrong corresponding RLC PDU to dispose SUFI, can distinguish BITMAPx1 and traditional B ITMAP SUFI with the recipient.That is, can dispose New type of S UFI with above-mentioned application.For example, LSN can be included among the BITMAPx1.To make specific explanations below.
In the prior art, the SUFI (for example, BITMAP, LIST, RLIST SUFI etc.) of expression ACK/NACK information should transmit with ACK SUFI by identical or different status PDU.In this case, be correlated with, have under the situation of new A CK/NACK with replacement ACK SUFI of LSN value with SUFI (for example, BITMAP, LIST, RLISTSUFI etc.), need not send ACK SUFI separately and just can transmit the LSN value to transmit leg in employing.
Figure 13 is the schematic diagram of the data format of BITMAP expansion SUFI (BITMAPx SUFI) in accordance with a preferred embodiment of the present invention.
With reference to Figure 13, compare with prior art BITMAP SUFI, the BITMAP expansion SUFI (BITMAPx SUFI) of a preferred embodiment of the invention also comprises the LSN field.
The LSN field constitutes by 12, and can be between any two fields.Specifically, can be placed on SUFI the next field of bitmap field, perhaps be placed between the arbitrary fields that comprises type (Type) and length (Length) field, length (LENGTH) and beginning sequence number (FSN), beginning sequence number (FSN) and bitmap (Bitmap) field etc.In the example depicted in fig. 13, use BITMAP SUFI.Perhaps, the LSN field can be added among LIST, the RLIST etc.
Figure 14 is a schematic diagram of explaining the process of the status report of use BITMAP expansion SUFI execution from recipient to the transmit leg in accordance with a preferred embodiment of the present invention.
At first, received recipient's configuration status PDU of status report request to carry out status report from transmit leg.In the prior art, if the LSN value is set to the value greater than VR (R) value, then the ACK/NACK information owing to the PDU that receives should be included among the PDU, so dispose a status PDU.Shown in the example of Figure 14, use the BITMAPx configuration status PDU of a preferred embodiment of the invention, wherein use a BITMAPx.Several if desired BITMAP then can only use BITMAPx to dispose last BITMAP.
Shown in Figure 14 or 15, received the transmit leg of status PDU ' bitmap (BITMAP) ' field by BITMAPx, can obtain ACK/NACK information, obtain status report.
Under situation about receiving as Figure 14 or BITMAP shown in Figure 15 expansion SUFI, transmit leg is known the next position of LSN value corresponding to the position of the represented octet-sized of ' LENGTH ' field of corresponding SUFI.If LENGTH=' 0001 ', then the BITMAP field is 2 octet-sized.Therefore, can think the LSN value to 12 of corresponding bitmap back.
Under the situation of the position that has changed the LSN among the BITMAPx, can accurately obtain the value of LSN, make transmit leg can suitably know the position of LSN.
The transmit leg that has received BITMAP expansion SUFI is thought and is no longer included SUFI, and the position of back is corresponding to PAD.
Preferably, by from other SUFI, identifying the identifier of corresponding SUFI, discern New type of S UFI of the present invention.For example, preferably BITMAPx SUFI shown in Figure 13 is defined as new type, to use new type i D.
Figure 16 and Figure 17 are the schematic diagrames of explaining another preferred embodiment according to the present invention.If BITMAPx and traditional SUFI distinguish significantly, and transmit leg can obtain the LSN value, then can be used to SUFI of the present invention to send to the status report of transmit leg by being divided into several status PDU.In Figure 16 or Figure 17,, then can be configured to new expansion SUFI to status PDU not by utilizing the ACK SUFI of BITMAPx if carry out status report by being divided into several status PDU.
In the embodiment of the invention described above, technical characterictic of the present invention is applied to CDMA mobile communication system.In addition, technical characterictic of the present invention can be applied to OFDM and ofdma mobile communication system, and can be applied to any wireless communication system of channel architecture up and down that has.
Though describe the present invention and explain with reference to preferred embodiment,, clearly under the situation that does not break away from the spirit or scope of the present invention, can carry out multiple improvement and variation to the present invention for those skilled in the art.Therefore, if these improvement and variation drop in the scope of claims and equivalent thereof, then these improvement and variation are contained in the present invention.
Industrial usability
Correspondingly, the present invention can be applicable to the wireless communication system of wireless Internet, GSM etc.
Claims (10)
1. the transmit leg in mobile communication system upgrades the method for transmission window, and this method may further comprise the steps:
Receive the first control information piece that comprises first state report information from the recipient, described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to described recipient;
Reception comprises the second control information piece of second state report information, and described second state report information is arranged in the described second control information piece as last state report information; With
Use the described transmission window of confirmation of receipt information updating in described first state report information.
2. the method for claim 1, wherein said second state report information comprise in a plurality of data blocks that the described recipient of expression receives and have the first field that receives the sequence number of wrong data block.
3. the method for claim 1, wherein use with described first state report information in the sequence number of first nack message corresponding data block of confirmation of receipt information, upgrade the lower edge of described transmission window.
4. the method for claim 1, wherein said first state report information is a bitmap type superwood section (SUFI).
5. the method for claim 1, wherein said second state report information is an ACK type superwood section (SUFI).
6. the transmit leg in mobile communication system upgrades the method for transmission window, and this method may further comprise the steps:
Receive the first control information piece that comprises first state report information from the recipient, described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to described recipient; With
Use the sequence number of the first nack message corresponding data block of the described confirmation of receipt information in described first state report information to upgrade the lower edge of described transmission window.
7. one kind to the method for transmit leg control information transmission piece with the state report information of the data block that described transmit leg is provided is sent, and this method may further comprise the steps:
The described transmit leg of receive direction sends the first control information piece that comprises first state report information, and described first state report information provides the confirmation of receipt information of a plurality of data blocks of described transmit leg transmission;
The recipient sends the second control information piece that comprises second state report information, described second state report information is arranged in the described second control information piece as last state report information, and described second state report information comprises the field of the corresponding sequence number in lower edge of expression and receive window; With
Transmit leg uses the confirmation of receipt information in described first state report information to upgrade described transmission window.
8. transmitter that in mobile communication system, upgrades transmission window, this transmitter comprises:
Receive the unit of the first control information piece comprise first state report information from the recipient, described first state report information provides the confirmation of receipt information of a plurality of data blocks that send to described recipient;
Reception comprises the unit of the second control information piece of second state report information, and described second state report information is arranged in the described second control information piece as last state report information; With
Use the unit of the described transmission window of confirmation of receipt information updating in described first state report information.
9. transmitter as claimed in claim 8, wherein said second state report information comprise in a plurality of data blocks of receiving of the described recipient of expression and have the first field that receives the sequence number of wrong data block.
10. transmitter as claimed in claim 8 is wherein used the sequence number with the first nack message corresponding data block of confirmation of receipt information described in described first state report information, upgrades the lower edge of described transmission window.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050037539A KR101084135B1 (en) | 2005-05-04 | 2005-05-04 | method of receiving and transmitting for status PDU in wireless communication system |
| KR10-2005-0037539 | 2005-05-04 | ||
| KR1020050037539 | 2005-05-04 | ||
| KR1020050037951A KR101084136B1 (en) | 2005-05-06 | 2005-05-06 | method of receiving and transmitting PDUs having a status information in receiving and transmitting terminals of wireless communication system |
| KR1020050037951 | 2005-05-06 | ||
| KR10-2005-0037951 | 2005-05-06 | ||
| PCT/KR2006/001654 WO2006118418A2 (en) | 2005-05-04 | 2006-05-02 | Method of transmitting control information in wireless communication system and transmission window updating method using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101213856A CN101213856A (en) | 2008-07-02 |
| CN101213856B true CN101213856B (en) | 2011-04-20 |
Family
ID=37652691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800153941A Expired - Fee Related CN101213856B (en) | 2005-05-04 | 2006-05-02 | Method of transmitting control information in wireless communication system and transmission window updating method using the same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101084135B1 (en) |
| CN (1) | CN101213856B (en) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5113186B2 (en) | 2006-12-07 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | Data transmission method in wireless communication system |
| KR101342365B1 (en) * | 2006-12-07 | 2013-12-16 | 엘지전자 주식회사 | Method of transferring data in wireless communication system |
| KR101211758B1 (en) | 2007-01-10 | 2012-12-12 | 엘지전자 주식회사 | Method for generating block data in wireless communication system |
| KR101597733B1 (en) * | 2007-07-30 | 2016-02-25 | 마벨 이스라엘 (엠.아이.에스.엘) 리미티드 | Rate matching for a wireless communications system |
| KR100907978B1 (en) | 2007-09-11 | 2009-07-15 | 엘지전자 주식회사 | A status reporting transmission method and receiving apparatus of a PDCP layer in a mobile communication system |
| KR101594359B1 (en) * | 2008-01-31 | 2016-02-16 | 엘지전자 주식회사 | Method of signaling back-off information in random access |
| EP3410623B1 (en) * | 2008-01-31 | 2021-07-28 | LG Electronics Inc. | Method for sending status information in mobile telecommunications system and receiver of mobile telecommunications |
| ES2362173T3 (en) * | 2008-02-04 | 2011-06-29 | Lg Electronics Inc. | WIRELESS COMMUNICATION METHOD TO TRANSMIT A SEQUENCE OF DATA UNITS BETWEEN A WIRELESS DEVICE AND A NETWORK. |
| ATE536674T1 (en) | 2008-02-08 | 2011-12-15 | Ericsson Telefon Ab L M | METHOD AND ARRANGEMENT IN A TELECOMMUNICATIONS SYSTEM |
| GB2461158B (en) | 2008-06-18 | 2011-03-02 | Lg Electronics Inc | Method for performing random access procedures and terminal therof |
| US11272449B2 (en) | 2008-06-18 | 2022-03-08 | Optis Cellular Technology, Llc | Method and mobile terminal for performing random access |
| EP2136599B1 (en) | 2008-06-18 | 2017-02-22 | LG Electronics Inc. | Detection of failures of random access procedures |
| GB2461780B (en) | 2008-06-18 | 2011-01-05 | Lg Electronics Inc | Method for detecting failures of random access procedures |
| GB2461159B (en) | 2008-06-18 | 2012-01-04 | Lg Electronics Inc | Method for transmitting Mac PDUs |
| EP2136586B1 (en) | 2008-06-18 | 2017-11-08 | LG Electronics Inc. | Method of transmitting power headroom reporting in wireless communication system |
| KR100968020B1 (en) | 2008-06-18 | 2010-07-08 | 엘지전자 주식회사 | Method for performing random access procedures and terminal thereof |
| KR100949972B1 (en) | 2009-01-02 | 2010-03-29 | 엘지전자 주식회사 | Random access scheme for user equipment |
| KR101122095B1 (en) | 2009-01-05 | 2012-03-19 | 엘지전자 주식회사 | Random Access Scheme Preventing from Unnecessary Retransmission, and User Equipment For the Same |
| JP2010252060A (en) * | 2009-04-16 | 2010-11-04 | Hitachi Ltd | Method for transmission and reception in transmitting and receiving system |
| KR20110096684A (en) | 2010-02-23 | 2011-08-31 | 삼성전자주식회사 | Wireless network for communicating using feedback of side information and communicaion method of using network coding in the wireless network |
| CN102264100B (en) * | 2010-05-28 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of data transmission method and system |
| US20150085749A1 (en) * | 2013-09-26 | 2015-03-26 | Qualcomm Incorporated | Mechanism to exchange proprietary signaling messages between a ue and a network |
| CN104734836A (en) * | 2013-12-23 | 2015-06-24 | 中兴通讯股份有限公司 | Transmission confirmation message sending method and system |
| KR20210019307A (en) * | 2019-08-12 | 2021-02-22 | 삼성전자주식회사 | Operating method of wireless communication device performing signal retransmission using status report and operating method of wireless communication system comprising the same |
| CN113906700B (en) * | 2020-05-05 | 2023-09-12 | 华为技术有限公司 | Apparatus and method for delivering acknowledgements in a network transport protocol |
| CN112469080B (en) * | 2020-11-27 | 2022-08-02 | 紫光展锐(重庆)科技有限公司 | Data packet processing method and related device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496157A (en) * | 2002-09-07 | 2004-05-12 | Lg������ʽ���� | Data retransmission control method for mobile communication system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6643813B1 (en) * | 1999-02-17 | 2003-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for reliable and efficient data communications |
| US6947394B1 (en) * | 1999-04-09 | 2005-09-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Flexible radio link control protocol |
| KR100334802B1 (en) * | 2000-06-15 | 2002-05-03 | 윤종용 | Method for notifying for error payload units using bitmap in umts system |
| KR100344979B1 (en) * | 2000-10-07 | 2002-07-20 | 엘지전자주식회사 | Discard procedure for service data unit in radio link control |
| KR100792989B1 (en) * | 2001-05-21 | 2008-01-08 | 엘지전자 주식회사 | Transmission method of discard information of service data unit for a radio communications system |
| KR100828322B1 (en) * | 2001-07-30 | 2008-05-08 | 엘지전자 주식회사 | Retransmission method with state variables in the radio link control layer of the UMTS systems |
| KR100438558B1 (en) * | 2002-01-21 | 2004-07-02 | 엘지전자 주식회사 | Protocol data unit generation method for mobile communication system |
| KR100541015B1 (en) * | 2002-02-04 | 2006-01-10 | 아스텍 컴퓨터 인코퍼레이티드 | Data discard signalling procedure in a wireless communication system |
-
2005
- 2005-05-04 KR KR1020050037539A patent/KR101084135B1/en not_active IP Right Cessation
-
2006
- 2006-05-02 CN CN2006800153941A patent/CN101213856B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1496157A (en) * | 2002-09-07 | 2004-05-12 | Lg������ʽ���� | Data retransmission control method for mobile communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060115175A (en) | 2006-11-08 |
| CN101213856A (en) | 2008-07-02 |
| KR101084135B1 (en) | 2011-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101213856B (en) | Method of transmitting control information in wireless communication system and transmission window updating method using the same | |
| EP1878155B1 (en) | Method of transmitting control information in wireless communication system and transmission window updating method using the same | |
| CN1918825B (en) | Transmitting and receiving control protocol data unit having processing time information | |
| KR101141645B1 (en) | Method for Controlling Transmission of Data Block | |
| KR100765121B1 (en) | Polling method of Protocol Data Unit of transmission buffer | |
| US7457260B2 (en) | Transmission control method in a radio access network implementing an automatic repetition request (ARQ) protocol at the base station | |
| CN101151924B (en) | Method of generating lower layer data block in wireless mobile communication system | |
| US8413002B2 (en) | Method of performing ARQ procedure for transmitting high rate data | |
| AU2003276747B2 (en) | Method for moving a receive window in a radio access network | |
| US8180299B2 (en) | Optimized AM RLC re-set mechanism | |
| CN101682926B (en) | Method of transmitting and receiving status report in a mobile communication system | |
| CN101479964A (en) | Optimized AM RLC re-set mechanism | |
| CN105515736A (en) | Transmitting data in mobile communication system | |
| KR101084136B1 (en) | method of receiving and transmitting PDUs having a status information in receiving and transmitting terminals of wireless communication system | |
| KR20060090138A (en) | A transmission method and apparatus of peoriodic status report in communication system | |
| KR20020088225A (en) | Transmission method of SDU discard information between data link layers for a radio communications system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20180502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |