CN102264100B - A kind of data transmission method and system - Google Patents
A kind of data transmission method and system Download PDFInfo
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- CN102264100B CN102264100B CN201010188555.5A CN201010188555A CN102264100B CN 102264100 B CN102264100 B CN 102264100B CN 201010188555 A CN201010188555 A CN 201010188555A CN 102264100 B CN102264100 B CN 102264100B
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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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1874—Buffer management
- H04L1/1877—Buffer management for semi-reliable protocols, e.g. for less sensitive applications like streaming video
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
The invention discloses a kind of data transmission method and system, be applied to the data transport service of affirmation mode, wherein said method comprises: after transmitting terminal RLC entity initiates movably receiving window process according to the mode that abandons of SDU, send the state bag surpassing territory with movably receiving window, and construct interim send window; Transmitting terminal RLC entity, before the movably receiving window receiving the transmission of receiving terminal RLC entity confirms, sends the AMD PDU be present in described interim send window.Adopt technical solution of the present invention, in MRW process, bandwidth can be utilized to a greater extent, improve data transmission rate, and do not affect the normal transmission of MRW process.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of data transmission method and system.
Background technology
At 3G (The 3
rdgeneration, G mobile communication) mobile communication system UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System) in, Uu protocol stack of the interface is divided into physical layer, data link layer and network layer.Wherein RLC (the Radio Link Control of data link layer, wireless spread-spectrum technology) sublayer is that high level provides TM (TransparentMode, transparent mode), UM (Unacknowledged Mode, Unacknowledged Mode) and AM (Acknowledged Mode, affirmation mode) data transport service of Three models, achieve the functions such as segmentation, serial connection, filling, error control, flow control.
Under AM pattern, the RLC entity of transmitting terminal is receiving high-rise SDU (Service Data Unit, service data unit) after, segmentation is carried out to SDU, is connected in series to form one or more AMD PDU (Acknowledged Mode Protocol Data Unit, acknowledged mode data protocol Data Unit) transmit, corresponding each PDU comprises SN (the Sequence Number of 12 bits, sequence number) territory, transmitting terminal RLC entity sends AMD PDU according to No. SN order increased progressively.If the status report of receiving terminal RLC entity is triggered, will send the status report that comprises reception condition to transmitting terminal, receiving terminal then retransmits the AMD PDU being instructed to unsuccessful reception according to status report.When a certain SDU do not send successfully and meet abandon condition time, transmitting terminal RLC entity will be selected according to the mode that abandons of upper-layer configured SDU to enter MRW process or RESET (reset) process.
The SDU of upper strata configurable transmitting terminal RLC AM entity abandons mode and comprises: abandon based on the explicit signaling abandoning timer, abandon and not abandoning based on maximum retransmission based on the explicit signaling of maximum retransmission, first two configuration all will trigger MRW (Move Receiving Window, movably receiving window) process.If upper-layer configured is abandon based on the explicit signaling SDU of maximum transmission times that (the abandoning of the explicit signaling SDU comprised based on maximum retransmission abandons and SDU based on timer abandons, MRW process can be triggered), when the number of transmissions of AMD PDU meets equation VT (DAT)=MaxDat-1, transmitting terminal will abandon all SDU comprised in this AMD PDU, and wherein MaxDat is the maximum transmission times of high-rise configuration; If upper-layer configured is abandon based on the SDU of timer, when the timer times out and corresponding SDU correctly do not receive, then transmitting terminal will abandon this SDU.After this, transmitting terminal RLC entity will initiate MRW process, by sending a band MRW SUFI (Move ReceivingWindow Super Field, movably receiving window surpasses territory) status report, notice receiving terminal RLC entity movably receiving window the AMD PDU abandoned outside receive window.As shown in Figure 1, wherein SN_MRWi territory is used to indicate and abandons SDU and end at which AMD PDU, N territory and indicate this SDU to correspond to which LI (Length Indicator, Length Indication) in AMD PDU the form of MRW SUFI.
After receiving terminal RLC entity receives the state bag with MRW SUFI, SN value movably receiving window is indicated according to MRW SUFI, and by replying with MRW ACK SUFI (Move ReceivingWindow Acknowledgement Super Field, movably receiving window confirm super territory) state bag inform transmitting terminal movably receiving window success, now transmitting terminal RLC entity according to receiver window situation of movement renewal send window.
In prior art, there are the following problems: having segmentation when send window is outer when abandoning SDU, because send window not yet moves before not receiving MRW ACK, causing MRW process to complete front transmitting terminal and sending without new data, thus can affect transmission rate.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of data transmission method and system, under SDU abandons mode, there is segmentation when sending outside window, when not affecting MRW process, utilizing bandwidth to a greater extent when abandoning SDU, improves data transmission rate.
For solving the problems of the technologies described above, the invention provides a kind of data transmission method, being applied to the data transport service of affirmation mode (AM), described method comprises:
After transmitting terminal wireless spread-spectrum technology (RLC) entity initiates movably receiving window (MRW) process according to the mode that abandons of service data unit (SDU), send the state bag surpassing territory (MRWSUFI) with movably receiving window, and construct interim send window;
Described transmitting terminal RLC entity confirms, before (MRW ACK), to send the AMD PDU be present in described interim send window at the movably receiving window receiving the transmission of receiving terminal RLC entity.
Further, described method also comprises:
Described transmitting terminal RLC entity contingent window flag bit indicates whether to employ interim send window.
Further, when described contingent window flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective, and VT (MRWMS)=VT (MRWA)+Tx_Window_Size;
Wherein, at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) is interim send window window top, and Tx_Window_Size is the send window size of configuration.
Further, the interim send window of described transmitting terminal RLC entity structure, is specially:
After initiation MRW process, preserve SDU end of data place acknowledged mode data protocol Data Unit (AMD PDU) sequence number (SN) value finally abandoned, and using the AMD PDU of this SN value correspondence at the bottom of transmission window, construct interim send window.
Further, described transmitting terminal RLC entity sends the described state bag with MRW SUFI by the mode of status protocol data units (Status PDU) or incidentally status protocol data units (Piggybacked Status PDU);
Described receiving terminal RLC entity first resolves Status PDU or Piggybacked Status PDU after receiving the described PDU with MRW SUFI, and movably receiving window; Resolve the AMD PDU received in same Transmission Time Interval (TTI) again.
Further, Status PDU or PiggybackedStatus PDU described in described receiving terminal RLC entity resolution, and after movably receiving window, send the state bag confirming super territory (MRWACK SUFI) with movably receiving window, notify the success of described transmitting terminal RLC entity MRW process;
After described transmitting terminal RLC entity receives the described state bag with MRW ACK SUFI, mobile send window, and the interim send window of initialization, terminate this MRW process.
Present invention also offers a kind of data transmission system, be applied to the transfer of data of affirmation mode, described system comprises: transmitting terminal RLC entity, and described transmitting terminal RLC entity comprises MRW process further and initiates unit, interim send window structural unit and data transmission unit, wherein:
Described MRW process is initiated unit and is used for, and after initiating MRW process, sends the state bag with MRW SUFI, notify described interim send window structural unit simultaneously according to the mode that abandons of SDU;
Described interim send window structural unit is used for, and when receiving the notice of MRW process initiation unit, constructs interim send window;
Described data transmission unit is used for, and before the MRW ACK receiving the transmission of receiving terminal RLC entity, sends the AMD PDU be present in described interim send window.
Further, described interim send window structural unit is further used for:
Indicate whether to employ interim send window with contingent window flag bit; When described contingent window flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective, and VT (MRWMS)=VT (MRWA)+Tx_Window_Size;
Wherein, at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) is interim send window window top, and Tx_Window_Size is the send window size of configuration.
Further, described interim send window structural unit is further used for, and preserves SDU end of data place AMD PDU sequence number (SN) value finally abandoned, and using the AMDPDU of this SN value correspondence at the bottom of transmission window, constructs interim send window.
Further, described system also comprises: receiving terminal RLC entity, and described receiving terminal RLC entity comprises data receipt unit further, wherein:
Described MRW process is initiated unit and is further used for, and sends the described state bag with MRW SUFI by the mode of Status PDU or PiggybackedStatus PDU;
Described data receipt unit is used for, after receiving the described PDU with MRW SUFI, first resolve Status PDU or Piggybacked Status PDU, and movably receiving window, send the state bag confirming super territory (MRW ACK SUFI) with movably receiving window, notify the success of described transmitting terminal RLC entity MRW process; Resolve the AMD PDU received in same TTI again;
Described MRW process is initiated unit and is further used for, and after receiving the described state bag with MRW ACK SUFI, mobile send window, and the interim send window of initialization, terminate this MRW process.
Adopt technical solution of the present invention, can in MRW process land productivity dedicated bandwidth to a greater extent, thus improve transmission rate, and do not affect the normal transmission of MRW process.
Accompanying drawing explanation
Fig. 1 is the form schematic diagram of MRW SUFI in RLC AM pattern;
Fig. 2 is the schematic flow sheet of the transmitting terminal MRW process of the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the receiving terminal MRW process of the embodiment of the present invention.
Embodiment
Core concept of the present invention is to provide a kind of data transmission method, be applied to wireless chain control layer MRW process, when MRW process does not complete, by constructing interim send window, make in existing transmission outside window, but after MRW process completes, meet the AMD PDU sending requirement to be sent in MRW process, thus effectively can utilize bandwidth, improve transmission rate.
Based on above-mentioned thought, the invention provides a kind of data transmission method, be applied to the data transport service of AM pattern, it specifically adopts following technical scheme:
Transmitting terminal RLC entity initiates MRW process according to the mode that abandons of upper-layer configured SDU, sends the status PDU with MRW SUFI; And at the bottom of transmission window, construct interim send window using the SDU end of data place AMD PDU abandoned;
Described transmitting terminal RLC entity, when not receiving MRW ACK (Move Receiving WindowAcknowledgement, movably receiving window confirms), still sends the AMD PDU be present in described interim send window.
Further, transmitting terminal RLC entity preserves the SDU end of data place AMDPDU SN value finally abandoned, and using the AMD PDU of this SN value correspondence at the bottom of transmission window, constructs interim send window.
Can only get first due to protocol requirement and not send successful PDU for sending at the bottom of window, therefore, in order to ensure transmission window and receiver window synchronously, the AMD PDU getting this SN value corresponding is at the bottom of window.
Further, described transmitting terminal RLC entity is by Status PDU (Status Protocol DataUnit, status protocol data units) or the mode of Piggybacked Status PDU (Piggybacked StatusProtocol Data Unit, incidentally status protocol data units) send state bag with MRW SUFI.
Further, the SDU data that transmitting terminal RLC entity maintaining upper strata sends, and detect the SDU data of transmitting terminal according to upper-layer configured and whether meet SDU and abandon condition, if meet, transmitting terminal RLC entity meets the SDU data of the condition that abandons by abandoning, and initiates described MRW process.
Wherein, described service data refers to: receive the SDU data that upper strata sends, and these SDU data maintenances are become a chained list, and preserves the SN value of these SDU ending place AMDPDU when making AMD PDU.
Further, after receiving terminal RLC entity receives the PDU with MRW SUFI, first resolve Status PDU or Piggybacked Status PDU, and movably receiving window; Resolve the AMD PDU received in same TTI (Transmission Time Interval, Transmission Time Interval) again.
Further, receiving terminal RLC entity resolution Status PDU or Piggybacked Status PDU, and after movably receiving window, send the state bag with MRW ACK SUFI, the success of notice transmitting terminal MRW process;
After transmitting terminal RLC entity receives MRW ACK, mobile send window, and the interim send window of initialization, terminate MRW process.
Below in conjunction with the accompanying drawings and the specific embodiments the enforcement of technical solution of the present invention is described in further detail.
Be illustrated in figure 2 the transmitting terminal MRW process flow diagram of the embodiment of the present invention, these flow process concrete steps are as described below:
Step 201: transmitting terminal RRC entity sets up RLC AM entity, and configuring SDU, to abandon mode be that the SDU of explicit signaling abandons, is optionally configured to abandon based on the explicit signaling of timer or explicit signaling based on maximum transmission times abandons;
Step 202: transmitting terminal RLC entity receives SDU during from upper strata, SDU is maintained as a chained list, and preserve these SDU when making AMD PDU and to end up the SN value of place AMD PDU, if it is abandon based on the explicit signaling of timer that upper-layer configured SDU abandons mode, then execution step 203; Otherwise, perform step 204;
Step 203: transmitting terminal RLC entity is that each SDU starts a SDU Discard timer, and detect before timer expiry, whether this SDU does not send successfully, if so, then abandons this SDU, and performs step 205; Otherwise, exit this flow process;
Step 204: the transmission times of transmitting terminal RLC entity to each AMD PDU counts, and whether the transmission times detecting this PDU exceedes maximum retransmission, if so, then abandons all SDU in this AMD PDU, and performs step 205; Otherwise, exit this flow process;
Step 205: transmitting terminal RLC entity, according to the SN value information preserved in step 202, searches the SDU node ending place AMD PDU that last need abandon;
Step 206: arranging this AMD PDU SN is SN_MRWi value, and interim send window is set, and indicate whether to employ interim send window with bMrwWinFg flag bit, when this flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective.The SN value that VT (MRWA) is this AMDPDU is set, and make VT (MRWMS)=VT (MRWA)+Tx_Window_Size, wherein at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) for interim send window window top, Tx_Window_Size be the send window size of upper-layer configured;
Step 207: when the transmission channel TTI border carrying this business arrives, RLC transmitting terminal adds up total number of AMD PDU and the number of status PDU to be sent in interim send window, and the data volume of reporting to MAC (Medium Access Control, medium education) sublayer on this logic channel;
In this step, when reporting, only statistics sends AMD PDU in window and status PDU to be sent, sending will not add up outside window, and the buffer memory sent in window and window size Tx_Window_Size has direct relation.
Step 208: according to the bearing capacity on this transmission channel, can select to send MRW SUFI to receiving terminal by the form of Piggybacked StatusPDU or Status PDU;
Step 209: transmitting terminal RLC entity waits for MRW ACK, if do not receive MRW ACK within instruction time, then performs step 207, when MRW SUFI transmission times reaches MaxMrw (MRW maximum transmission times), starts RESET process; Otherwise, perform step 210;
Step 210: after transmitting terminal RLC entity receives MRW ACK, moves actual send window according to MRW ACK SUFI, and by bMrwWinFg flag bit and the initialization of corresponding interim send window correlated variables.
Be illustrated in figure 3 the receiving terminal MRW process flow diagram of the embodiment of the present invention, these flow process concrete steps are as described below:
Step 301: after receiving terminal RLC entity receives the PDU in this TTI, first resolve Piggybacked Status PDU or Status PDU, according to the SN_MRWi value that MRW SUFI in Status PDU indicates, delivery can be recombinated successful SDU, and movably receiving window;
Step 302: after processing Status PDU, resolves the AMD PDU received in same TTI.Now, these AMD PDU are in receiver window;
Step 303: receiving terminal RLC entity, according to receive window situation of movement, sends MRW ACK to transmitting terminal.
As can be seen from above-mentioned flow process, the present invention is not when affecting MRW process, by constructing the method for interim mobile send window, make in existing transmission outside window, but the AMD PDU meeting transmission requirement after MRW process completes can be sent in MRW process.Therefore, have segmentation when sending outside window when abandoning SDU, transmitting terminal within the scope of its bearing capacity, can realize the transmission of multiple PDU data in a TTI, thus improves transmission rate.
A kind of data transmission system is additionally provided in the embodiment of the present invention, be applied to the transfer of data of affirmation mode, this system comprises transmitting terminal RLC entity, and this transmitting terminal RLC entity comprises MRW process further and initiates unit, interim send window structural unit and data transmission unit, wherein:
Described MRW process is initiated unit and is used for, and after initiating MRW process, sends the state bag with MRW SUFI, notify described interim send window structural unit simultaneously according to the mode that abandons of SDU;
Described interim send window structural unit is used for, and when receiving the notice of MRW process initiation unit, constructs interim send window;
Described data transmission unit is used for, and before the MRW ACK receiving the transmission of receiving terminal RLC entity, sends the AMD PDU be present in described interim send window.
Further, described interim send window structural unit is further used for:
Indicate whether to employ interim send window with contingent window flag bit; When described contingent window flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective, and VT (MRWMS)=VT (MRWA)+Tx_Window_Size;
Wherein, at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) is interim send window window top, and Tx_Window_Size is the send window size of configuration.
Further, described interim send window structural unit is further used for, and preserves SDU end of data place AMD PDU sequence number (SN) value finally abandoned, and using the AMDPDU of this SN value correspondence at the bottom of transmission window, constructs interim send window.
Further, described system also comprises: receiving terminal RLC entity, and described receiving terminal RLC entity comprises data receipt unit further, wherein:
Described MRW process is initiated unit and is further used for, and sends the described state bag with MRW SUFI by the mode of Status PDU or PiggybackedStatus PDU;
Described data receipt unit is used for, after receiving the described PDU with MRW SUFI, first resolve Status PDU or Piggybacked Status PDU, and movably receiving window, send the state bag confirming super territory (MRW ACK SUFI) with movably receiving window, notify the success of described transmitting terminal RLC entity MRW process; Resolve the AMD PDU received in same TTI again;
Described MRW process is initiated unit and is further used for, and after receiving the described state bag with MRW ACK SUFI, mobile send window, and the interim send window of initialization, terminate this MRW process.
Should be understood that; concerning the technical staff in field, the technology of the present invention place; can carry out corresponding equivalent change according to technical scheme of the present invention and design thereof or replace, and all these change or replace, and all should belong to the protection range of claims of the present invention.
Claims (8)
1. a data transmission method, is characterized in that, is applied to the data transport service of affirmation mode AM, and described method comprises:
Transmitting terminal wireless spread-spectrum technology RLC entity sends the state bag surpassing territory MRW SUFI with movably receiving window, and constructs interim send window after initiating movably receiving window MRW process according to the mode that abandons of service data unit SDU;
Described transmitting terminal RLC entity, before the movably receiving window receiving the transmission of receiving terminal RLC entity confirms MRW ACK, sends the AMD PDU be present in described interim send window;
Wherein, interim send window described in described transmitting terminal RLC entity structure, is specially:
After the described MRW process of initiation, preserve the described SDU end of data place acknowledged mode data protocol Data Unit AMD PDU sequence number SN value finally abandoned, and using the described AMD PDU of this SN value correspondence at the bottom of transmission window, construct described interim send window.
2. the method for claim 1, is characterized in that, described method also comprises:
Described transmitting terminal RLC entity contingent window flag bit indicates whether to employ interim send window.
3. method as claimed in claim 2, is characterized in that,
When described contingent window flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective, and VT (MRWMS)=VT (MRWA)+Tx_Window_Size;
Wherein, at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) is interim send window window top, and Tx_Window_Size is the send window size of configuration.
4. the method for claim 1, is characterized in that,
Described transmitting terminal RLC entity sends the described state bag with MRW SUFI by the mode of status protocol data units Status PDU or incidentally status protocol data units Piggybacked Status PDU;
Described receiving terminal RLC entity first resolves Status PDU or Piggybacked Status PDU after receiving the described PDU with MRW SUFI, and movably receiving window; Resolve the AMD PDU received in same Transmission Time Interval TTI again.
5. method as claimed in claim 4, is characterized in that,
Status PDU or Piggybacked Status PDU described in described receiving terminal RLC entity resolution, and after movably receiving window, send the state bag confirming super territory MRW ACK SUFI with movably receiving window, notify the success of described transmitting terminal RLC entity MRW process;
After described transmitting terminal RLC entity receives the described state bag with MRW ACK SUFI, mobile send window, and the interim send window of initialization, terminate this MRW process.
6. a data transmission system, it is characterized in that, be applied to the transfer of data of affirmation mode, described system comprises: transmitting terminal RLC entity, described transmitting terminal RLC entity comprises MRW process further and initiates unit, interim send window structural unit and data transmission unit, wherein:
Described MRW process is initiated unit and is used for, and after initiating MRW process, sends the state bag with MRW SUFI, notify described interim send window structural unit simultaneously according to the mode that abandons of SDU;
Described interim send window structural unit is used for, and when receiving the notice of MRW process initiation unit, constructs interim send window;
Described data transmission unit is used for, and before the MRW ACK receiving the transmission of receiving terminal RLC entity, sends the AMD PDU be present in described interim send window;
Described interim send window structural unit is further used for, and preserves the described SDU end of data place AMD PDU sequence number SN value finally abandoned, and using the described AMD PDU of this SN value correspondence at the bottom of transmission window, constructs described interim send window.
7. system as claimed in claim 6, it is characterized in that, described interim send window structural unit is further used for:
Indicate whether to employ interim send window with contingent window flag bit; When described contingent window flag bit is 1, the value of parameter VT (MRWA) and VT (MRWMS) is effective, and VT (MRWMS)=VT (MRWA)+Tx_Window_Size;
Wherein, at the bottom of the window of VT (MRWA) for interim send window, VT (MRWMS) is interim send window window top, and Tx_Window_Size is the send window size of configuration.
8. system as claimed in claim 6, it is characterized in that, described system also comprises: receiving terminal RLC entity, and described receiving terminal RLC entity comprises data receipt unit further, wherein:
Described MRW process is initiated unit and is further used for, and sends the described state bag with MRW SUFI by the mode of Status PDU or PiggybackedStatus PDU;
Described data receipt unit is used for, after receiving the described PDU with MRW SUFI, first resolve Status PDU or Piggybacked Status PDU, and movably receiving window, send the state bag confirming super territory MRW ACK SUFI with movably receiving window, notify the success of described transmitting terminal RLC entity MRW process; Resolve the AMD PDU received in same TTI again;
Described MRW process is initiated unit and is further used for, and after receiving the described state bag with MRW ACK SUFI, mobile send window, and the interim send window of initialization, terminate this MRW process.
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| CN201010188555.5A CN102264100B (en) | 2010-05-28 | 2010-05-28 | A kind of data transmission method and system |
| PCT/CN2010/080024 WO2011147177A1 (en) | 2010-05-28 | 2010-12-20 | Data transmission method and system |
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| CN201010188555.5A CN102264100B (en) | 2010-05-28 | 2010-05-28 | A kind of data transmission method and system |
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| CN106685604A (en) * | 2016-11-28 | 2017-05-17 | 北京新岸线移动通信技术有限公司 | Data transmission control method, system and device |
| CN107888992A (en) * | 2017-11-17 | 2018-04-06 | 北京松果电子有限公司 | Method of transmitting video data, method of reseptance, device, storage medium and equipment |
| CN111327403B (en) * | 2020-02-25 | 2022-03-22 | 中国电子科技集团公司第五十四研究所 | Enhanced RLC layer data transmission method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972284A (en) * | 2005-11-24 | 2007-05-30 | 大唐移动通信设备有限公司 | Control method of wireless link layer flow |
| CN101213856A (en) * | 2005-05-04 | 2008-07-02 | Lg电子株式会社 | Method of transmitting control information in wireless communication system and transmission window updating method using the same |
| CN101478380A (en) * | 2008-01-03 | 2009-07-08 | 中兴通讯股份有限公司 | Management method for automatic retransmission request window |
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| US20040160937A1 (en) * | 2003-02-13 | 2004-08-19 | Jiang Sam Shiaw-Shiang | Enhanced SDU discard signaling procedure in wireless communication systems |
| CN1257621C (en) * | 2003-05-30 | 2006-05-24 | 中兴通讯股份有限公司 | Transmitting window adjusting method in wireless chain circuit control layer |
| CN100391201C (en) * | 2005-02-28 | 2008-05-28 | 华为技术有限公司 | Method for holding packet data protocol convergence sublayer sequence number synchronization |
| CN1949697B (en) * | 2005-10-14 | 2011-05-11 | 大唐移动通信设备有限公司 | Data transmission method for ensuring receiver and transmitter data identification |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101213856A (en) * | 2005-05-04 | 2008-07-02 | Lg电子株式会社 | Method of transmitting control information in wireless communication system and transmission window updating method using the same |
| CN1972284A (en) * | 2005-11-24 | 2007-05-30 | 大唐移动通信设备有限公司 | Control method of wireless link layer flow |
| CN101478380A (en) * | 2008-01-03 | 2009-07-08 | 中兴通讯股份有限公司 | Management method for automatic retransmission request window |
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| CN102264100A (en) | 2011-11-30 |
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