CN108809510A - A kind for the treatment of method and apparatus of data transmission - Google Patents

A kind for the treatment of method and apparatus of data transmission Download PDF

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Publication number
CN108809510A
CN108809510A CN201710687319.XA CN201710687319A CN108809510A CN 108809510 A CN108809510 A CN 108809510A CN 201710687319 A CN201710687319 A CN 201710687319A CN 108809510 A CN108809510 A CN 108809510A
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China
Prior art keywords
rlc
pdu
mac
rlc pdu
sent
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CN201710687319.XA
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Chinese (zh)
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CN108809510B (en
Inventor
郭英昊
黄曲芳
徐小英
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2018/085742 priority Critical patent/WO2018202186A1/en
Publication of CN108809510A publication Critical patent/CN108809510A/en
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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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0039—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver other detection of signalling, e.g. detection of TFCI explicit signalling

Abstract

The many aspects of the present invention disclose a kind for the treatment of method and apparatus of state report, and transmitting terminal generates MAC PDU, which includes one or more RLC PDU, and the state report in the packet header of wherein one or more RLC PDU sends request and is set to activation；The MAC PDU are sent to receiving terminal by transmitting terminal, are parsed so as to the receiving terminal when transmission request of the state report in the packet header of at least one RLC PDU is set to activation and are determined as the MAC PDU status reports.The treating method and apparatus of the data transmission of foregoing description sends when request is set to activation as long as the receiving terminal parses the state report in packet header of at least one RLC PDU and is determined as the MAC PDU status reports.

Description

A kind for the treatment of method and apparatus of data transmission
Technical field
The present embodiments relate to the communication technology more particularly to a kind of processing method of data transmission, devices.
Background technology
Communication at present is there are various standards, such as the second generation (2G), the third generation (3G), forth generation (4G) communication system and new Radio Access Network, such as global mobile communication (Global System of Mobile communication, GSM) system, CDMA (Code Division Multiple Access, CDMA) system, time division multiple acess (Time Division Multiple Access, TDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), frequency division multiple access (Frequency Division Multiple Addressing, FDMA) system is orthogonal Frequency division multiple access (Orthogonal Frequency-Division Multiple Access, OFDMA) system, Single Carrier Frequency Division Multiple Access (SC-FDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS) system, is drilled for a long time Into (Long Term Evolution, LTE) system, Universal Mobile Communication System (Universal Mobile Telecommunications System, UMTS) and other such communication systems.Wherein, new Radio Access Network can carry For transmission rate more higher than LTE network, new Radio Access Network is also referred to as 5G networks, next generation network etc..
With the rapid development of receiving terminal demand and technology, the 5th third-generation mobile communication (the 5th Generation Mobile communication technology, 5G) system or new wireless access technology (New radio, NR) will arrive Come, 5G systems or NR systems are capable of providing and transmit speed faster than long term evolution (Long Term Evolution, LTE) network Rate, highest theoretical transmission rate is up to tens of gigabytes (Gigabyte, abbreviation Gb) per second.
The new communication system is 5G or next generation communication system, including next-generation core net (NG Core) and base station (gNB), wherein the gNB generally comprises wireless heterogeneous networks (Radio Resource Control, RRC) layer, grouped data Convergence protocol (Packet Data Convergence Protocol, PDCP) layer, radio link layer control (Radio Link Control, RLC) layer, media intervention control (Media Access Control, MAC) layer and physical layer (Physical Layer, PHY).
The gNB can also be used using centralized unit (Centralized Unit, CU) and distributed unit (Distributed Unit, DU) framework, the CU and DU passes through sky by wired or wireless communication, the DU with terminal device Port communications, different community of the terminal device at same or different DU are moved.
If the gNB uses CU-DU frameworks, there are a variety of possibility, one of which function is drawn for the division of CU and DU functions Point mode can be：CU includes rrc layer and PDCP layers, and DU includes rlc layer, MAC layer and PHY layer.
CU equipment is generally responsible for centralized radio resource and connection management control, and DU equipment generally comprises the distributed use of realization Family surface treatment function, it is main to handle physical layer function and higher 2 (Layer 2) function of layer of real-time demand.
Higher-layer protocols function that the processing of CU equipment is wireless, such as rrc layer, PDCP layers etc., or even also being capable of support sector's pyrene Heart net function sinks down into access net, referred to as edge calculations network, disclosure satisfy that future communications network for emerging service for example regarding Frequently, net purchase, requirements at the higher level of the virtual/augmented reality for network delay.
CU covers the part of functions of wireless access network higher-layer protocols and core net, and DU covers Base-Band Processing 2 partial function of physical layer and layer, CU centralized can be laid, and DU, which is laid, depends on real network environment, core city, traffic Density is higher, and station spacing is smaller, the limited region of machine room resource, such as colleges and universities, and large size performance venue etc., DU can also centralization It lays, and traffic is sparse, the larger equal regions of station spacing, such as suburbs and counties under the jurisdiction of a large city, the regions such as mountain area, DU can take distributed lay Mode.
As shown in Figure 1, for the structural schematic diagram of MAC PDU of LTE system in the prior art a kind of, in the LTE system, In one Medium Access Control (MAC) Protocol Data Unit (Protocol Data Unit, PDU), with a radio bearer (Radio Bearer, RB) Or corresponding an of logic channel (Logical Channel, LCH) may include there are one RLC PDU, a RLC PDU Multiple cascade RLC service data units (Service Data Unit, SDU), but only in the packet header (RLC of RLC PDU Header it is provided with state report in) and sends request bit (Polling bit), such as Polling bit=1 indicate activation, Polling bit=0 indicate inactive, and when the transmitting terminal is sent to MAC PDU to receiving terminal, the receiving terminal is according to this Polling bit values in the packet header of RLC PDU judge whether to need status report to transmitting terminal, such as Polling When bit=1 indicates activation, the receiving terminal needs status report, such as when Polling bit=0 indicate inactive, institute It states receiving terminal and does not need status report.
But for next generation communication system, as shown in Fig. 2, for a kind of MAC of next generation communication system in the prior art The structural schematic diagram of PDU, the next generation communication system can be 5G communication systems, and rlc layer does not have a cascade function in NR, one It is corresponding with RB or LCH to have multiple RLC PDU, such as three RLC PDU of LCH1 correspondences in MAC PDU：RLC PDU1, RLC PDU2 and RLC PDU3, the multiple RLC SDU are not cascaded, and there are one the packet header RLC by each RLC PDU, often All there are one polling bits in a packet header, many influences are produced on Polling bit in this way, such as a LCH corresponding In multiple RLC PDU, the Polling bit of some RLC PDU are 1, and the Polling bit of some RLC PDU are zero, are connect in this way Receiving end, which receives, corresponding to the LCH after the MAC PDU has multiple RLC PDU not know how status report.
Invention content
The many aspects of the present invention provide a kind for the treatment of method and apparatus of data transmission, solve next generation communication system In how status report the problem of.
The first aspect of the present invention provides a kind of processing method of state report, including：Transmitting terminal generates MAC PDU, should MAC PDU include one or more RLC PDU, and the state report in the packet header of wherein one or more RLC PDU sends request It is set to activation；The MAC PDU are sent to receiving terminal by transmitting terminal, so that the receiving terminal parses at least one RLC PDU's State report in packet header, which is sent when request is set to activation, is determined as the MAC PDU status reports.
Optionally, the state report in the packet header for one or more of RLC PDU that the rlc layer of transmitting terminal is sent to It sends request and is set to activation, and the MAC that the RLC PDU asked are sent to the transmitting terminal is sent by the state report is carried Layer.
Optionally, the rlc layer determination of the transmitting terminal needs status report to send request, notifies the transmitting terminal MAC layer sends the state report in the packet header of one or more of RLC PDU in the MAC PDU that need to send next time Request is set to activation.
Optionally, the rlc layer determination of the transmitting terminal needs status report to send request, notifies the transmitting terminal MAC layer from the one or more RLC PDU MAC PDU for needing to send next time described in selects a RLC PDU and by the selection The sequence number of RLC PDU notify the rlc layer of the transmitting terminal；The rlc layer of the transmitting terminal is by the sequence number pair State report in the packet header of the RLC PDU answered sends request and is set to activation；The rlc layer of the transmitting terminal will carry It states state report and sends the MAC layer that the RLC PDU asked are sent to the transmitting terminal.
Optionally, RLC entities often send out a RLC SDU, and the value of counter SDU_WITHOUT_POLL is added 1, until When SDU_WITHOUT_POLL is equal to the thresholding K, by the polling bits in the RLC head of ultimately produce RLC PDU 1 is set, after it is threshold value corresponding RLC PDU to have sent RLC SN, polling is equal to equal to 0, SDU_WITHOUT_POLL 0, when sending next RLC SDU, SDU_WITHOUT_POLL adds up again since 1.
Optionally, the counter for having sent RLC PDU quantity that the rlc layer of transmitting terminal preserves, can also be Through the counter for sending RLC SDU quantity.
Optionally, transmitting terminal the rlc layer preserve the counter for having sent RLC PDU data amounts, can also be The counter of RLC SDU data volumes is sent.
Optionally, the rlc layer of the transmitting terminal is in the RLC PDU hairs that will carry the state report transmission request When giving the MAC layer of the transmitting terminal, by the transmission RLC PDU quantity of the rlc layer preservation of the transmitting terminal Counter and sent the counter zero setting of RLC PDU data amounts, rebooting status report sends request retransmission timer.
Optionally, the rlc layer of the transmitting terminal is in the RLC PDU hairs that will carry the state report transmission request When giving the MAC layer of the transmitting terminal, execute at least one following：The rlc layer of the transmitting terminal is preserved Counter, the counter zero setting for having sent RLC PDU data amounts and rebooting status report through sending RLC PDU quantity are sent Request retransmission timer.
Optionally, the rlc layer of the transmitting terminal reports carrier state in the MAC layer for knowing the transmitting terminal When sending request and being set to the RLC PDU of activation and send, transmission RLC that the rlc layer of the transmitting terminal is preserved The counter of PDU quantity and the counter zero setting for having sent RLC PDU data amounts, it is fixed that rebooting status report sends request retransmission When device.
Optionally, the rlc layer of the transmitting terminal reports carrier state in the MAC layer for knowing the transmitting terminal When sending the RLC PDU transmissions for asking to be set to activation, execute at least one following：The rlc layer of the transmitting terminal is protected The counter for having sent RLC PDU quantity deposited, the counter zero setting for having sent RLC PDU data amounts and rebooting status report It accuses and send request retransmission timer.
Optionally, carrier state is being reported the RLC PDU for sending request and being set to activation by the MAC layer of the transmitting terminal When transmission, notify the rlc layer of the transmitting terminal has reported carrier state to send the RLC PDU hairs that request is set to activation It send.
Optionally, the MAC layer of the transmitting terminal determines a radio bearer or a logic letter in the MAC PDU A radio bearer or the corresponding multiple RLC of a logic channel in any one corresponding RLC PDU or described MAC PDU of road A radio bearer or the corresponding multiple RLC of a logic channel in the last one RLC PDU or described MAC PDU in PDU The state report for the RLC PDU that the last one in PDU is not segmented sends request and is set to activation.
Optionally, carrier state is being reported the RLC PDU for sending request and being set to activation by the MAC layer of the transmitting terminal When transmission, the sequence number SN of one RLC PDU of the rlc layer of the transmitting terminal is notified, wherein the SN is that state report is sent Request is set to the SN of the RLC PDU of activation, alternatively, the SN is the RLC PDU institutes that a state report sends that request is set to activation The SN or the SN of the last one RLC PDU in the MAC PDU of category is the RLC that a state report sends that request is set to activation The SN of any one RLC PDU in MAC PDU belonging to PDU.
Optionally, carrier state is being reported the RLC PDU for sending request and being set to activation by the MAC layer of the transmitting terminal When transmission, the sequence number SN of one RLC PDU of the rlc layer of the transmitting terminal is notified, and notify the described of the transmitting terminal The report of rlc layer current state sends request and is set to activation.
The second aspect of the present invention provides a kind of processing unit of state report, including：MAC entity, for generating MAC PDU, the MAC PDU include one or more RLC PDU, the state report hair in the packet header of wherein one or more RLC PDU Request is sent to be set to activation；The MAC entity is additionally operable to the MAC PDU being sent to receiving terminal, so that the receiving terminal parses State report in the packet header of at least one RLC PDU, which is sent, is determined as the MAC PDU transmissions state when request is set to activation Report.
Optionally, described device further includes：RLC entities, the packet for the one or more of RLC PDU being sent to State report in head sends request and is set to activation, and the RLC PDU that will carry the state report transmission request are sent to The MAC entity.
Optionally, described device further includes：RLC entities need status report to send request, notify institute for determining MAC entity is stated to the state report in the packet header of one or more of RLC PDU in the MAC PDU that need to send next time It sends request and is set to activation.
Optionally, described device further includes：RLC entities need status report to send request, notify institute for determining It states MAC entity and selects a RLC PDU from the one or more RLC PDU MAC PDU for needing to send next time described in and should The sequence number of the RLC PDU of selection notifies the RLC entities；Wherein, the RLC entities are additionally operable to the sequence number is corresponding State report in the packet header of RLC PDU sends request and is set to activation, will carry the state report and sends the RLC asked PDU is sent to the MAC entity.
Optionally, the RLC entities are additionally operable to be sent in the RLC PDU that will carry the state report transmission request When the MAC entity, the counter of RLC PDU quantity is sent what the RLC entities preserved and has sent RLC PDU The counter zero setting of data volume, rebooting status report send request retransmission timer.
Optionally, the RLC entities are additionally operable to be sent in the RLC PDU that will carry the state report transmission request When the MAC entity, execute at least one following：The counting for having sent RLC PDU quantity that the RLC entities are preserved Device, the counter zero setting for having sent RLC PDU data amounts and rebooting status report send request retransmission timer.
Optionally, the RLC entities be additionally operable to know the MAC entity by carrier state report send request be set to it is sharp When RLC PDU living are sent, the counter of RLC PDU quantity is sent what the RLC entities preserved and has sent RLC The counter zero setting of PDU data amount, rebooting status report send request retransmission timer.
Optionally, the RLC entities be additionally operable to know the MAC entity by carrier state report send request be set to it is sharp When RLC PDU living are sent, execute at least one following：The meter for having sent RLC PDU quantity that the RLC entities are preserved Number device, the counter zero setting for having sent RLC PDU data amounts and rebooting status report send request retransmission timer.
Optionally, the MAC entity is additionally operable to reporting carrier state into the RLC PDU transmissions for sending request and being set to activation When, notify the RLC entities have reported carrier state to send the RLC PDU transmissions that request is set to activation.
Optionally, the MAC entity is additionally operable to determine a radio bearer or a logic channel pair in the MAC PDU A radio bearer or the corresponding multiple RLC PDU of a logic channel in any one the RLC PDU or described MAC PDU answered In in the last one RLC PDU or described MAC PDU in a radio bearer or the corresponding multiple RLC PDU of a logic channel The state report of the last one RLC PDU not being segmented sends request and is set to activation.
Optionally, the MAC entity is additionally operable to reporting carrier state into the RLC PDU transmissions for sending request and being set to activation When, notify the sequence number SN of one RLC PDU of the RLC entities, wherein the SN is that state report transmission request is set to activation The SN of RLC PDU is set to alternatively, the SN is a state report transmission request in the MAC PDU belonging to the RLC PDU of activation The SN of the last one the RLC PDU or SN is that a state report transmission asks to be set to the MAC belonging to the RLC PDU of activation The SN of any one RLC PDU in PDU.
The third aspect of the present invention provides a kind of processing method of state report, including：Receiving terminal receives transmitting terminal and sends A MAC PDU, which includes one or more RLC PDU, in the packet header of wherein one or more RLC PDU State report sends request and is set to activation；When the receiving terminal determines the state report of at least one RLC PDU in the MAC PDU When transmission request is set to activation, request is sent according to the state report and is set to state of activation generation state report；The receiving terminal To the transmitting terminal status report.
Optionally, it is described according to the state report send request be set to state of activation generate state report specifically include：Root The state report hair that request is set to the last one RLC PDU that state of activation determines in the MAC PDU is sent according to the state report It is activation to send the state of request, and state report is generated according to the sequence number (SN) of the last one RLC PDU.
Optionally, in the MAC PDU radio bearer or any one corresponding RLC PDU of a logic channel or The last one RLC PDU or institute in a radio bearer or the corresponding multiple RLC PDU of a logic channel in the MAC PDU State what the last one in a radio bearer in MAC PDU or the corresponding multiple RLC PDU of a logic channel was not segmented The state report of RLC PDU sends request and is set to activation.
The fourth aspect of the present invention provides a kind of processing unit of state report, including：Receiver, for receiving transmitting terminal The MAC PDU sent, the MAC PDU include one or more RLC PDU, the packet header of wherein one or more RLC PDU In state report send request be set to activation；Processor, for when the shape for determining at least one RLC PDU in the MAC PDU When state report transmission request is set to activation, state of activation is set to according to state report transmission request and generates state report；It sends Device, to the transmitting terminal status report.
Optionally, the processor, which is used to send request according to the state report, is set to state of activation generation state report tool Body includes：The processor, for according to the state report send request be set to state of activation determine it is last in the MAC PDU The state that the state report of one RLC PDU sends request is activation, is generated according to the sequence number (SN) of the last one RLC PDU State report.
Optionally, in the MAC PDU radio bearer or any one corresponding RLC PDU of a logic channel or The last one RLC PDU or institute in a radio bearer or the corresponding multiple RLC PDU of a logic channel in the MAC PDU State what the last one in a radio bearer in MAC PDU or the corresponding multiple RLC PDU of a logic channel was not segmented The state report of RLC PDU sends request and is set to activation.
Above-described embodiment description data transmission treating method and apparatus, as long as the receiving terminal parse it is at least one State report in the packet header of RLC PDU sends when request is set to activation and is determined as the MAC PDU status reports.
Description of the drawings
Fig. 1 is the structural schematic diagram of MAC PDU of LTE system in the prior art a kind of；
Fig. 2 is the structural schematic diagram of MAC PDU of next generation communication system in the prior art a kind of；
Fig. 3 is a kind of schematic diagram of communication system of one embodiment of the invention；
Fig. 4 is the structural schematic diagram of another communication system of another embodiment of the present invention；
Fig. 5 is a kind of process flow schematic diagram of state report of one embodiment of the invention；
Fig. 5 a are the state procedure schematic diagram of transmission RLC SDU of another embodiment of the present invention a kind of；
Fig. 5 b are another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention；
Fig. 5 c are another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention；
Fig. 5 d are another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention；
Fig. 5 e are another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention；
Fig. 5 f are another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the processing unit of state report of another embodiment of the present invention；
Fig. 7 is the process flow schematic diagram of another state report of one embodiment of the invention；
Fig. 8 is the structural schematic diagram of the processing unit of another state report of another embodiment of the present invention；
Fig. 9 is a kind of process status figure of triggering RLC Polling methods of another embodiment of the present invention；
Figure 10 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 11 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 12 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 13 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 14 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 15 is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention；
Figure 16 is the data structure schematic diagram of RLC control PDU of one embodiment of the invention a kind of；
Figure 17 is a kind of structural schematic diagram of RLC state reports of another embodiment of the present invention；
Figure 17 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 18 is the structural schematic diagram of another RLC state reports of another embodiment of the present invention；
Figure 18 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 19 is the structural schematic diagram of another RLC state reports of another embodiment of the present invention；
Figure 19 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 20 is the structural schematic diagram of another RLC state reports of another embodiment of the present invention；
Figure 20 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 21 is the structural schematic diagram of another RLC state reports of another embodiment of the present invention；
Figure 21 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 21 b are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 22 is the structural schematic diagram of another RLC state reports of another embodiment of the present invention；
Figure 22 a are the structural schematic diagram of another RLC status report formats of another embodiment of the present invention；
Figure 23 is a kind of structural schematic diagram in the packet header of RLC PDU of the embodiment of the present invention；
Figure 24 is a kind of structural schematic diagram in the packet header of RLC PDU of the embodiment of the present invention；
Figure 25 is the structural schematic diagram in the packet header of another RLC PDU of another embodiment of the present invention；
Figure 26 is the process schematic of another configuration token bucket state of another embodiment of the present invention；
Figure 27 is a kind of process schematic of Bj state changes of another embodiment of the present invention；
Figure 28 is a kind of process schematic of Bj state changes of another embodiment of the present invention；
Figure 29 is the signal of a kind of semi-static scheduling resources and dynamic dispatching resource of another embodiment of the present invention coexisted Figure.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
" first ", " second " and similar word mentioned by this paper are not offered as any sequence, quantity or important Property, and be used only to distinguish different component parts.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet System, but indicate that there are at least one." connection " either the similar word such as " connected " be not limited to it is physics or mechanical Connection, but may include electrical connection, either directly or indirectly.
The program stored in memory that can realize certain functions is typically referred in " module " being mentioned above or is referred to It enables；Referenced herein " unit " typically refers to the functional structure logically divided, and being somebody's turn to do " unit " can be by pure hardware It realizes, alternatively, software and hardware is implemented in combination with.
Referenced herein " multiple " refer to two or more."and/or", the association for describing affiliated partner are closed System indicates may exist three kinds of relationships, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, individualism These three situations of B.It is a kind of relationship of "or" that character "/", which typicallys represent forward-backward correlation object,.
The techniques described herein may be used in new Radio Access Network and other such communication systems, wherein new wireless Access network is capable of providing transmission rate more higher than LTE network, and new Radio Access Network is also referred to as 5G networks, next generation network Deng.
Various aspects are described herein in connection with receiving terminal and/or base station.
It can also be catv terminal that terminal device (Terminal Device), which can be wireless terminal, and wireless terminal can be with It is directed to the equipment that receiving terminal provides voice and/or data connectivity, the portable equipment with wireless connecting function or connection To other processing equipments of radio modem.Wireless terminal can be through wireless access network (for example, RAN, Radio Access Network it) is communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or is " honeycomb " phone) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal communication service It is (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (SIP) phone, wireless Local loop (Wireless Local Loop, WLL) stands, personal digital assistant (Personal Digital Assistant, The equipment such as PDA).Wireless terminal is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user equipment (User Equipment) or user agent (User Agent).
Base station (that is, node) can be referred to the accession in net in the air on interface by one or more sectors and wireless terminal The equipment of communication, for example, new Radio Access Network access network equipment, the access network equipment of the new Radio Access Network is also referred to as For base station (gNB), NR Node (node) or NR BS (base station, Base Station), this is not restricted, but is description side Just, it is collectively referred to as gNB herein.
As shown in figure 3, a kind of schematic diagram of communication system for one embodiment of the invention, the communication system includes access Net equipment 31 and terminal device 32, the communication system can be new Radio Access Network, such as the new Radio Access Network Also referred to as 5G networks, next generation network etc., the access network equipment 31 can be the gNB of 5G communication systems.
The access network equipment 31 includes three-decker：Layer one is physical layer (PHY layer), and layer two is media access control layer (MAC layer), wireless chain control layer (rlc layer) and packet data convergence protocol layer (PDCP layers), layer three are wireless heterogeneous networks Layer (rrc layer), wherein PHY layer is the wireless access system bottom, it is using transmission channel as interface, to serve upper layers.Institute Stating the PHY layer of access network equipment 31, MAC layer, rlc layer, PDCP layers and rrc layer, for each carrying to be both provided with reception real Body and sending entity are respectively used to sending and receiving for data, but are the convenience of description, when described below, are sent with each layer Or it receives and is described.
The data that the access network equipment 31 is received from terminal device 32 pass through the PHY of the access network equipment 31 successively Layer, MAC layer, rlc layer, PDCP layers and rrc layer are handled.For example, the PHY layer receiving terminal apparatus of the access network equipment 31 After 32 data (Data) sent, in the access network equipment 31, received data processing is that PHY takes by the PHY layer Data cell of being engaged in (Service Data Unit, SDU), the PHY SDU are sent to the MAC layer by the PHY layer；It is described MAC layer receives the PYH SDU, is then MAC SDU by PYH SDU processing, the MAC layer sends out the MAC SDU Give the rlc layer；The rlc layer receives the MAC SDU, is then RLC SDU, the RLC by MAC SDU processing The RLC SDU are sent to PDCP layers described by layer；Described PDCP layers receives the RLC SDU, then will be at the RLC SDU Reason is signaling PDCP SDU and data PDCP SDU, described PDCP layers by the signaling PDCP SDU be sent to the rrc layer into The processing of row control layer, the data PDCP SDU are sent to core net by described PDCP layers.
The data that the access network equipment 31 is sent by PDCP layers, rlc layer, MAC layer and PHY layer, are then sent successively To terminal device 32.For example, in the access network equipment 31, described PDCP layers processes data into PDCP protocol Data Units (Protocol Data Unit, PDU), is then sent to the rlc layer by the PDCP PDU；Described in the rlc layer receives Then PDCP PDU processing is RLC PDU by PDCP PDU, the RLC PDU are sent to the MAC by the rlc layer Layer；The MAC layer receives the RLC PDU, is then MAC PDU by RLC PDU processing, and the MAC layer is by the MAC PDU is sent to the PHY layer；The PHY layer receives the MAC PDU, is then PHY PDU, institute by MAC PDU processing It states PHY layer and the PHY PDU is sent to terminal device 32.
The terminal device 32 includes PHY layer, MAC layer, rlc layer and PDCP layer, and the terminal device 32 each of includes Layer is both provided with receiving entity and sending entity for each carrying, is respectively used to sending and receiving for data, but is description It is convenient, when described below, sent with each layer or reception is described.
The data that the terminal device 32 is sent to the access network equipment 31 pass through the terminal device 32 successively PDCP layers, rlc layer, MAC layer and PHY layer are handled.For example, the PDCP layers of the terminal device 32 process data into PDCP Then the PDCP PDU are sent to the rlc layer by PDU；The rlc layer receives the PDCP PDU, then will be described PDCP PDU processing is RLC PDU, and the RLC PDU are sent to the MAC layer by the rlc layer；Described in the MAC layer receives Then RLC PDU processing is MAC PDU by RLC PDU, the MAC PDU are sent to the PHY layer by the MAC layer； The PHY layer receives the MAC PDU, is then PHY PDU by MAC PDU processing, and the PHY layer is by the PHY The processor that PDU is sent in terminal device 31 is handled.
The data that the terminal device 32 is received from the access network equipment 31 pass through the PHY of the terminal device 32 successively Layer, MAC layer, rlc layer and PDCP layer are handled.In the terminal device 32, the PHY layer data processing is PHY SDU, Then the PHY SDU are sent to the MAC layer；The MAC layer receives the PYH SDU, then will be at the PYH SDU Reason is MAC SDU, and the MAC SDU are sent to the rlc layer by the MAC layer；The rlc layer receives the MAC SDU, so It is afterwards RLC SDU by MAC SDU processing, the RLC SDU are sent to PDCP layers described by the rlc layer；The PDCP Layer receives the RLC SDU, is then PDCP SDU by RLC SDU processing, described PDCP layers is sent out the PDCP SDU The high level for giving the access network equipment 31 is handled.
Fig. 4 be another embodiment of the present invention another communication system structural schematic diagram, the communication system be 4G or Next generation communication system, including access network equipment 41, terminal device 42 and next-generation core net (NG Core) 43.For example, described Access network equipment 41 is the gNB of 4G, and the access network equipment 41 includes centralized unit (CU) 411 and distributed unit (DU) By wired or wireless communication, the DU412 passes through idle port communication with the terminal device 42 by 412, the CU411 and DU412. Wherein, rrc layer and PDCP layer functions are located on the CU411, and rlc layer, MAC layer and PHY layer function are located on the DU412.
The content that data communication between each layer can be described with 4 embodiment of reference chart, details are not described herein.
As shown in figure 5, a kind of process flow schematic diagram of state report for one embodiment of the invention, communication system Including access network equipment and terminal device, the access network equipment passes through idle port communication, the access network equipment with terminal device Can be the base station of the gNB or next generation communication system in 5G communication systems, the gNB may be used the gNB's of Fig. 3 or Fig. 4 A wherein side for framework, the access network equipment and terminal device is transmitting terminal, and another party is receiving terminal, such as when the access When net equipment is transmitting terminal, the terminal device is receiving terminal, and vice versa.
Step 51, transmitting terminal generate MAC PDU, the MAC PDU include one or more RLC PDU, one of them or it is more State report in the packet header of a RLC PDU sends request and is set to activation.
5G communication systems or or next generation communication system in, in the MAC PDU that the transmitting terminal generates, with a RB Or a LCH is corresponding multiple RLC PDU, such as LCH1 corresponds to three RLC PDU：RLC PDU1, RLC PDU2 and RLC PDU3, the multiple RLC SDU are not cascaded, and there are one the packet header RLC (RLC header), each RLC packets by each RLC PDU Head includes the sequence number (Sequence Number, SN) of polling bit and RLC PDU.The polling bit=1 are indicated State report sends request and is set to activation, it is desirable that receiving terminal status report, the polling bit=0 indicate state report It accuses that send request to be set to inactive, does not require the receiving terminal status report.
Step 52, which is sent to receiving terminal by the transmitting terminal, so as to the receiving terminal parse it is at least one State report in the packet header of RLC PDU, which is sent when request is set to activation, is determined as the MAC PDU status reports.
In another embodiment of the invention, one or more of RLC that the rlc layer of the transmitting terminal is sent to State report in the packet header of PDU sends request and is set to activation, and sends the RLC PDU asked by the state report is carried It is sent to the MAC layer of the transmitting terminal.
In another embodiment of the invention, the rlc layer determination of the transmitting terminal needs status report to send request, Notify the packet header of the MAC layer of the transmitting terminal to one or more of RLC PDU in the MAC PDU that need to send next time In state report send request be set to activation.For example, the rlc layer of the transmitting terminal informs about under the MAC layer of the transmitting terminal The sequence number for once needing one or more of RLC PDU in the MAC PDU sent, indicates the MAC layer of the transmitting terminal To in the packet header of one or more RLC PDU state report send request be set to activation, by MAC layer determine specifically that RLC PDU are set to 1, for example, arbitrarily determining or the last one RLC PDU.
It is sent out for example, the rlc layer of the transmitting terminal reports carrier state in the MAC layer for knowing the transmitting terminal When request being sent to be set to the RLC PDU transmissions of activation, for example, the rlc layer of the transmitting terminal receives the described of the transmitting terminal What MAC layer was sent has polling bit to be set to the notification information that 1 RLC PDU SN and the RLC PDU have been sent, the hair Counter (PDU_WITHOUT_POLL) that the rlc layer of sending end was preserved sent RLC PDU quantity and Counter (BYTE_WITHOUT_POLL) zero setting of RLC PDU data amounts is sent, rebooting status report sends request retransmission timing Device (t-PollRetransmit).
It is sent out for example, the rlc layer of the transmitting terminal reports carrier state in the MAC layer for knowing the transmitting terminal When request being sent to be set to the RLC PDU transmissions of activation, for example, the rlc layer of the transmitting terminal receives the described of the transmitting terminal What MAC layer was sent has polling bit to be set to the notification information that 1 RLC PDU SN and the RLC PDU have been sent, and executes such as It is at least one lower：What the rlc layer of the transmitting terminal was preserved has sent the counter (PDU_ of RLC PDU quantity WITHOUT_POLL counter (BYTE_WITHOUT_POLL) zero setting and the rebooting status of RLC PDU data amounts), have been sent Report sends request retransmission timer (t-PollRetransmit).
For example, carrier state is being reported the RLC PDU hairs for sending request and being set to activation by the MAC layer of the transmitting terminal When sending, notify the rlc layer of the transmitting terminal has reported carrier state to send the RLC PDU hairs that request is set to activation It send, such as the MAC layer of the transmitting terminal notifies RLC that the rlc layer of the transmitting terminal has polling bit to be set to 1 The PDU SN and RLC PDU have been sent.
For example, carrier state is being reported the RLC PDU hairs for sending request and being set to activation by the MAC layer of the transmitting terminal When sending, the sequence number SN of one RLC PDU of the rlc layer of the transmitting terminal is notified, wherein the SN is that state report transmission is asked The SN for the RLC PDU for being set to activation is sought, is set to belonging to the RLC PDU of activation alternatively, the SN is a state report transmission request MAC PDU in the SN or the SN of the last one RLC PDU be RLC that state report sends that request is set to activation The SN of any one RLC PDU in MAC PDU belonging to PDU.
In another embodiment of the invention, the rlc layer determination of the transmitting terminal needs status report to send request, The MAC layer of the transmitting terminal is notified to select one from the one or more RLC PDU MAC PDU for needing to send next time described in RLC PDU and the rlc layer that the sequence number of the RLC PDU of the selection is notified to the transmitting terminal；The transmitting terminal it is described State report in the packet header of the corresponding RLC PDU of the sequence number is sent request and is set to activation by rlc layer；The institute of the transmitting terminal It states rlc layer and sends the MAC layer that the RLC PDU asked are sent to the transmitting terminal by the state report is carried.
In another embodiment of the invention, the meter for having sent RLC PDU quantity that the rlc layer of transmitting terminal preserves Number device, can also be the counter for having sent RLC SDU quantity.
In another embodiment of the invention, what the rlc layer of transmitting terminal preserved has sent RLC PDU data amounts Counter can also be the counter for having sent RLC SDU data volumes.
In another embodiment of the invention, when RLC entities are established, base station is by RRC information to SDU_WITHOUT_ It is that 0, RLC entities often send out a RLC SDU, transmitting terminal that POLL, which configures thresholding K, SDU_WITHOUT_POLL an initial value, When RLC calculates SDU_WITHOUT_POLL, the value of counter SDU_WITHOUT_POLL is just added 1, until SDU_WITHOUT_ When POLL is equal to the thresholding K (SDU number counters are equal to K), one will generated corresponding to the last one RLC SDU Polling bits in the RLC head of RLC PDU set 1, and having sent the last RLC SDU, (i.e. RLC SN are that thresholding K is corresponding RLC PDU) after, polling is equal to 0, SDU_WITHOUT_POLL and is equal to 0, as transmission next RLC SDU, SDU_ WITHOUT_POLL adds up again since 1.Wherein, RLC entities transmission RLC SDU include mainly to MAC entity：RLC in fact will After RLC SDU processing, one or more RLC PDU are formed, then RLC PDU are issued into MAC entity.The RLC entities are often sent out One RLC SDU refers to this RLC SDU of RLC entities start to process, is ready for sending this RLC SDU.
For example, when RLC entities are established, base station configures a thresholding K by RRC information to SDU_WITHOUT_POLL, SDU_WITHOUT_POLL initial values are 0, in data transmission procedure, as soon as RLC entities often send out a RLC SDU, by SDU_ WITHOUT_POLL adds 1, if SDU_WITHOUT_POLL exceeds thresholding K, RLC entity triggers polling, by the last one Polling bits in the RLC head of the corresponding RLC PDU generated of RLC SDU set 1, that is, notify receiving terminal to send RLC shapes State is reported.
As shown in Figure 5 a, it is the state procedure schematic diagram of transmission RLC SDU of another embodiment of the present invention a kind of, SDU_ The thresholding K of WITHOUT_POLL is configured to 1000, when transmitting terminal RLC entities find that SDU_WITHOUT_POLL is equal to the thresholding When 1000 (SDU number counters be equal to 1000), then the Polling bits in the packet header RLC are set 1, when having sent RLC SN After the corresponding RLC PDU of thresholding 1000, polling is equal to 0, SDU_WITHOUT_POLL and is equal to 0, next when sending RLC SDU, SDU_WITHOUT_POLL add up again since 1.
In another embodiment of the invention, when RLC entities are established, base station is by RRC information to SDU_WITHOUT_ POLL configures a thresholding K, for example K=1000, SDU_WITHOUT_POLL initial value are 0.If some RLC SDU is divided Section, then it is only unified to increase a SDU_WITHOUT_POLL to each segmentation.For example, as shown in Figure 5 b, RLC SN are equal to 999 This RLC SDU be divided into two segmentations, the two segmentation all use the same RLC SN, send first segmentation when, SDU_WITHOUT_POLL increases to 999 from 998, and when sending second segmentation, RLC entities find that this is the same RLC SDU Second segmentation, then do not increase SDU_WITHOUT_POLL, value remains as 999.
RLC SDUs of the RLC SN equal to 999 is segmented, and corresponding SDU_WITHOUT_POLL does not reach thresholding K =1000, (the SDU number counters when transmitting terminal RLC entities find that SDU_WITHOUT_POLL is equal to the thresholding 1000 Equal to 1000), then the Polling bits in the packet header RLC are set 1, is the corresponding RLC of thresholding 1000 when having sent RLC SN After PDU, polling is equal to 0, SDU_WITHOUT_POLL and is equal to 0, as transmission next RLC SDU, SDU_WITHOUT_POLL Add up again since 1.
In another embodiment of the invention, the SDU_WITHOUT_POLL corresponding to the RLC SDU in case of segmentation Reach thresholding, then the processing of Polling there are following four kinds of modes.
Mode one：The polling bits of each RLC segment are set to 1
As shown in Figure 5 c, it is another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention, RLC This RLC SDU of SN equal to 1000 is divided into three segmentations, these three segmentations all use the same RLC SN, corresponding SDU_WITHOUT_POLL reaches thresholding K=1000, then transmitting terminal RLC entities are by the polling ratios of each RLC segment Spy is set to 1, and after it is the corresponding RLC PDU of thresholding 1000 to have sent RLC SN, polling is equal to 0, SDU_WITHOUT_ POLL is equal to 0, and when sending next RLC SDU, SDU_WITHOUT_POLL adds up again since 1.Receiving terminal receives multiple RLC segmentations with polling=1, it is found that the RLC SN of these segmentations are identical, then judge that these segmentations belong to same RLC SDU then only send out a RLC state report.
Mode two：The polling bits of only first RLC segment are set to 1
As fig 5d, it is another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention, RLC This RLC SDU of SN equal to 1000 is divided into three segmentations, these three segmentations all use the same RLC SN, corresponding SDU_WITHOUT_POLL reaches thresholding K=1000, then transmitting terminal RLC entities are only by the polling of first RLC segment Bit is set to 1, and after it is the corresponding RLC PDU of thresholding 1000 to have sent RLC SN, polling is equal to 0, SDU_WITHOUT_ POLL is equal to 0, and when sending next RLC SDU, SDU_WITHOUT_POLL adds up again since 1.Receiving terminal, which receives, to be carried The RLC of polling=1 is segmented, and is generated RLC state reports and is sent.
Mode three：The only polling bits of the last one RLC segment are set to 1
As depicted in fig. 5e, it is another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention, RLC This RLC SDU of SN equal to 1000 is divided into three segmentations, these three segmentations all use the same RLC SN, corresponding SDU_WITHOUT_POLL reaches thresholding K=1000, then transmitting terminal RLC entities are only by the last one RLC segment's Polling bits are set to 1, and after it is the corresponding RLC PDU of thresholding 1000 to have sent RLC SN, polling is equal to 0, SDU_ WITHOUT_POLL is equal to 0, and when sending next RLC SDU, SDU_WITHOUT_POLL adds up again since 1.Receiving terminal It receives the RLC with polling=1 to be segmented, generate RLC state reports and sends.
Mode four：The polling bits of an optional RLC segment are set to 1
As shown in figure 5f, it is another state procedure schematic diagram for sending RLC SDU of another embodiment of the present invention, RLC This RLC SDU of SN equal to 1000 is divided into three segmentations, these three segmentations all use the same RLC SN, corresponding SDU_WITHOUT_POLL reaches thresholding K=1000, then the polling ratios of the optional RLC segment of transmitting terminal RLC entities Spy is set to 1, and after it is the corresponding RLC PDU of thresholding 1000 to have sent RLC SN, polling is equal to 0, SDU_WITHOUT_ POLL is equal to 0, and when sending next RLC SDU, SDU_WITHOUT_POLL adds up again since 1.Receiving terminal, which receives, to be carried The RLC of polling=1 is segmented, and is generated RLC state reports and is sent.
In above-mentioned four kinds of modes, if selection mode two, receiving terminal hair RLC state reports, Er Qiewu can be triggered in time The behavior of receiving terminal need to be changed.
In another embodiment of the invention, the rlc layer of the transmitting terminal will carry the state report hair When the RLC PDU of request being sent to be sent to the MAC layer of the transmitting terminal, the rlc layer of the transmitting terminal is preserved Through sending the counter of RLC PDU quantity and having sent the counter zero setting of RLC PDU data amounts, rebooting status report is sent Request retransmission timer.
In another embodiment of the invention, the rlc layer of the transmitting terminal will carry the state report hair When the RLC PDU of request being sent to be sent to the MAC layer of the transmitting terminal, execute at least one following：By the transmitting terminal The counter zero setting for having sent the counter of RLC PDU quantity, having sent RLC PDU data amounts that the rlc layer preserves It is reported with rebooting status and sends request retransmission timer.
In another embodiment of the invention, the MAC layer of the transmitting terminal determine in the MAC PDU one it is wireless Carrying or any one corresponding RLC PDU or described MAC PDU of a logic channel in a radio bearer or a logic A radio bearer or a logic are believed in the last one RLC PDU or described MAC PDU in the corresponding multiple RLC PDU of channel The state report of the last one RLC PDU not being segmented sends request and is set to activation in the corresponding multiple RLC PDU in road.
In above-described embodiment, as long as the receiving terminal parses the state report hair in packet header of at least one RLC PDU It is determined as the MAC PDU status reports when request being sent to be set to activation, will not include multiple because of the MAC PDU RLC PDU, and when the packet header of each RLC PDU polling bit values that include differ, and it is uncertain to influence the receiving terminal How status report.
As shown in fig. 6, the structural schematic diagram of the processing unit for a kind of state report of another embodiment of the present invention, communication System includes access network equipment and terminal device, and the access network equipment passes through idle port communication, the access net with terminal device Equipment can be the base station of the gNB or next generation communication system in 5G communication systems, and the gNB may be used Fig. 3's or Fig. 4 A wherein side for the framework of gNB, the access network equipment and terminal device is transmitting terminal, and another party is receiving terminal, such as works as institute State access network equipment be transmitting terminal when, the terminal device be receiving terminal, vice versa.
In the present embodiment, the transmitting terminal is the processing unit of the state report, the processing unit of the state report Including PYH entities 61, MAC entity 62, RLC entities 63 and PDCP entities 64.
In the embodiment of the present application, the processing of the PYH entities 61, MAC entity 62, RLC entities 63 and PDCP entities 64 Function is executed by processor, and the processor can be erasable Programmadle logic device (Erasable Programmable Logic Device, EPLD), field programmable gate array (Field Programmable Gate Array, FPGA), digital signal processor (Digital Signal Processor, DSP) chip, application-specific integrated circuit (Application Specific Integrated Circuit, ASIC) or other programmable logic device, discrete gate Or transistor logic, discrete hardware components etc..
Receive capabilities and the sending function distribution of the PYH entities 61, MAC entity 62, RLC entities 63 and PDCP entities 64 It is executed by receiver and transmitter.
The processing unit of the state report further includes memory, is used for store code or command information, can also store The information of device type.The memory may include read-only memory (Read-Only Memory, ROM) and random access memory Device (Random Access Memory, RAM), for providing instruction and data to the processor.One of the memory It can also includes nonvolatile RAM to divide.
The MAC entity 62, for generating MAC PDU, which includes one or more RLC PDU, one of them Or the state report in the packet header of multiple RLC PDU sends request and is set to activation.
5G communication systems or or next generation communication system in, the MAC entity 62 generate a MAC PDU in, with one A RB or LCH is corresponding multiple RLC PDU, such as LCH1 corresponds to three RLC PDU：RLC PDU1, RLC PDU2 and RLC PDU3, the multiple RLC SDU are not cascaded, and there are one the packet header RLC (RLC header) by each RLC PDU, each The packet header RLC includes the sequence number (Sequence Number, SN) of polling bit and RLC PDU.The polling bit= 1 expression state report sends request and is set to activation, it is desirable that receiving terminal status report, the polling bit=0 indicate shape It is inactive that state reports that transmission request is set to, and does not require the receiving terminal status report.
The MAC entity 62 is additionally operable to the MAC PDU being sent to receiving terminal, so that the receiving terminal parses at least State report in the packet header of one RLC PDU, which is sent when request is set to activation, is determined as the MAC PDU status reports.
In another embodiment of the invention, one or more of RLC PDU's that the RLC entities 63 are sent to State report in packet header sends request and is set to activation, and will carry the state report and send the RLC PDU transmissions asked To the MAC entity 62.
In another embodiment of the invention, the determination of RLC entities 63 needs status report to send request, notice The MAC entity 62 is to the state in the packet header of one or more of RLC PDU in the MAC PDU that need to send next time Report sends request and is set to activation.For example, the RLC entities 63 are additionally operable to that the MAC entity 62 is notified to need to send next time MAC PDU in one or more of RLC PDU sequence number, indicate the MAC entity 62 to one or more RLC State report in the packet header of PDU sends request and is set to activation, by the MAC entity 62 of the transmitting terminal determine specifically that A RLC PDU are set to 1, for example, arbitrarily determining or the last one RLC PDU.
It is asked for example, the RLC entities 63 send carrier state report in the MAC entity 62 for knowing the transmitting terminal When the RLC PDU for being set to activation being asked to send, for example, the MAC entity 62 that the RLC entities 63 receive the transmitting terminal is sent The polling bit that have be set to the notification information that 1 RLC PDU SN and the RLC PDU have been sent, the RLC entities 63 will What it was preserved has sent the counter (PDU_WITHOUT_POLL) of RLC PDU quantity and has sent RLC PDU data amounts Counter (BYTE_WITHOUT_POLL) zero setting, rebooting status report sends request retransmission timer (t- PollRetransmit)。
It is asked for example, the RLC entities 63 send carrier state report in the MAC entity 62 for knowing the transmitting terminal When the RLC PDU for being set to activation being asked to send, for example, the MAC entity 62 that the RLC entities 63 receive the transmitting terminal is sent The polling bit that have be set to the notification information that 1 RLC PDU SN and the RLC PDU have been sent, execute it is following at least it One：Counter (PDU_WITHOUT_POLL) that the RLC entities 63 were preserved sent RLC PDU quantity, It sends counter (BYTE_WITHOUT_POLL) zero setting of RLC PDU data amounts and rebooting status report sends request retransmission and determines When device (t-PollRetransmit).
For example, carrier state is being reported the RLC for sending request and being set to activation by the MAC entity 62 of the transmitting terminal When PDU is sent, notify the RLC entities 63 have reported carrier state to send the RLC PDU transmissions that request is set to activation, example The RLC entities 63 as described in notifying the MAC entity 62 of the transmitting terminal have polling bit be set to 1 RLC PDU SN and The RLC PDU have been sent.
For example, carrier state is being reported the RLC for sending request and being set to activation by the MAC entity 62 of the transmitting terminal When PDU is sent, the sequence number SN of 63 1 RLC PDU of the RLC entities is notified, wherein the SN is that state report sends request It is set to the SN of the RLC PDU of activation, is set to belonging to the RLC PDU of activation alternatively, the SN is a state report transmission request The SN or the SN of the last one RLC PDU in MAC PDU is the RLC PDU that a state report sends that request is set to activation The SN of any one RLC PDU in affiliated MAC PDU.
In another embodiment of the invention, the determination of RLC entities 63 needs status report to send request, notice The MAC entity 62 of the transmitting terminal selects one from the one or more RLC PDU MAC PDU for needing to send next time described in The sequence number of the RLC PDU of the selection is simultaneously notified the RLC entities 63 by a RLC PDU；The RLC entities 63 are by the sequence number State report in the packet header of corresponding RLC PDU sends request and is set to activation；The RLC entities 63 will carry the state Report sends the MAC entity 62 that the RLC PDU asked are sent to the transmitting terminal.
In another embodiment of the invention, the RLC entities 63 will carry the state report transmission request When RLC PDU are sent to the MAC entity 62 of the transmitting terminal, transmission RLC PDU that the RLC entities 63 are preserved The counter of quantity and the counter zero setting for having sent RLC PDU data amounts, rebooting status report send request retransmission timing Device.
In another embodiment of the invention, the RLC entities 63 will carry the state report transmission request When RLC PDU are sent to the MAC entity 62 of the transmitting terminal, execute at least one following：The RLC entities 63 are preserved The counter for having sent RLC PDU quantity, the counter zero setting for having sent RLC PDU data amounts and rebooting status report Send request retransmission timer.
In another embodiment of the invention, the MAC entity 62 of the transmitting terminal determines in the MAC PDU one A radio bearer or one in radio bearer or any one corresponding RLC PDU or described MAC PDU of a logic channel A radio bearer or one patrol in the last one RLC PDU or described MAC PDU in the corresponding multiple RLC PDU of logic channel In volume corresponding multiple RLC PDU of channel the state report of the last one RLC PDU not being segmented send request be set to it is sharp It is living.
In above-described embodiment, as long as the receiving terminal parses the state report hair in packet header of at least one RLC PDU It is determined as the MAC PDU status reports when request being sent to be set to activation, will not include multiple because of the MAC PDU RLC PDU, and when the packet header of each RLC PDU polling bit values that include differ, and it is uncertain to influence the receiving terminal How status report.
As shown in fig. 7, the process flow schematic diagram of another state report for one embodiment of the invention, communication system System includes access network equipment and terminal device, and with terminal device by idle port communication, the access net is set the access network equipment Standby can be the base station of gNB or next generation communication system in 5G communication systems, and the gNB of Fig. 3 or Fig. 4 may be used in the gNB Framework, a wherein side for the access network equipment and terminal device is transmitting terminal, and another party is receiving terminal, such as is connect when described When log equipment is transmitting terminal, the terminal device is receiving terminal, and vice versa.
Step 71, receiving terminal receives the MAC PDU that transmitting terminal is sent, which includes one or more RLC PDU, the state report in the packet header of wherein one or more RLC PDU send request and are set to activation.
Step 72, when the receiving terminal determines that the state report of at least one RLC PDU in the MAC PDU sends request and sets When to activate, request being sent according to the state report and is set to state of activation generation state report.
Step 73, the receiving terminal is to the transmitting terminal status report.
In another embodiment of the invention, described sent according to the state report asks to be set to state of activation generation state Report specifically includes：Request is sent according to the state report be set to state of activation determine the last one RLC in the MAC PDU The state that the state report of PDU sends request is activation, and state report is generated according to the sequence number (SN) of the last one RLC PDU It accuses.
In another embodiment of the invention, a radio bearer or a logic channel are corresponding in the MAC PDU In any one RLC PDU or described MAC PDU in a radio bearer or the corresponding multiple RLC PDU of a logic channel most It is last in a radio bearer or the corresponding multiple RLC PDU of a logic channel in the latter RLC PDU or described MAC PDU The state report of one RLC PDU not being segmented sends request and is set to activation.
In above-described embodiment, as long as the receiving terminal parses the state report hair in packet header of at least one RLC PDU It is determined as the MAC PDU status reports when request being sent to be set to activation, will not include multiple because of the MAC PDU RLC PDU, and when the packet header of each RLC PDU polling bit values that include differ, and it is uncertain to influence the receiving terminal How status report.
As shown in figure 8, the structural schematic diagram of the processing unit for another state report of another embodiment of the present invention, leads to Letter system includes access network equipment and terminal device, and the access network equipment passes through idle port communication, the access with terminal device Net equipment can be the base station of the gNB or next generation communication system in 5G communication systems, and the gNB may be used Fig. 3's or Fig. 4 A wherein side for the framework of gNB, the access network equipment and terminal device is transmitting terminal, and another party is receiving terminal, such as works as institute State access network equipment be transmitting terminal when, the terminal device be receiving terminal, vice versa.
In the present embodiment, the receiving terminal is the processing unit of the state report, and the data transmission device includes connecing Receive device 81, processor 82, transmitter 83 and memory 84, wherein the receiver 81, processor 82, transmitter 83 and storage Device 84 passes through bus communication between each other.
In the embodiment of the present application, the processor 82 can be EPLD, FPGA, dsp chip, ASIC or other can compile Journey logical device, discrete gate or transistor logic, discrete hardware components etc..
The memory 84 is used for store code or command information, can be with the information of storage device type.The memory 84 may include ROM and RAM, for providing instruction and data to the processor 82.A part for the memory 84 may be used also To include nonvolatile RAM.
The receiver 81, a MAC PDU for receiving transmitting terminal transmission, the MAC PDU include one or more RLC PDU, the state report in the packet header of wherein one or more RLC PDU send request and are set to activation；
The processor 82, for being set when the state report of at least one RLC PDU in the determining MAC PDU sends request When to activate, request being sent according to the state report and is set to state of activation generation state report；
The transmitter 83, to the transmitting terminal status report.
In another embodiment of the invention, the processor 82, it is sharp for being set to according to state report transmission request State living determines that the state that the state report of the last one RLC PDU in the MAC PDU sends request is activation, according to last The sequence number (SN) of one RLC PDU generates state report.
In another embodiment of the invention, a radio bearer or a logic channel are corresponding in the MAC PDU In any one RLC PDU or described MAC PDU in a radio bearer or the corresponding multiple RLC PDU of a logic channel most It is last in a radio bearer or the corresponding multiple RLC PDU of a logic channel in the latter RLC PDU or described MAC PDU The state report of one RLC PDU not being segmented sends request and is set to activation.
In above-described embodiment, as long as the processing unit of the state report as receiving terminal parses at least one RLC State report in the packet header of PDU sends when request is set to activation and is determined as the MAC PDU status reports, Bu Huiyin Include multiple RLC PDU for the MAC PDU, and when the packet header of each RLC PDU polling bit values that include differ, And the receiving terminal is influenced it is uncertain how status report.
It is corresponding with RB or LCH to have multiple RLC PDU in the same MAC PDU, when trigger condition is full When sufficient, triggering, which needs to send state report, sends request, referred to as triggers polling, both can be by described in the embodiment of the present invention The RLC entities of transmitting terminal individually triggering and are sent, can also be combined by the RLC entities and MAC entity of the transmitting terminal triggering and It sends, it is described in detail below.
The RLC entities of the transmitting terminal are independent to be needed to send state report transmission request according to trigger condition triggering, that is, is triggered Polling needs to set polling bit to 1 or 0, then the RLC entity selections of the transmitting terminal or notifies the transmission The MAC layer at end selects a RLC PDU and the polling bit in the packet header of the RLC PDU of the selection is needed setting 1 or 0.
The RLC entity triggers of the transmitting terminal need to send the condition packet that state report sends request (triggering polling) It includes at least one following：The RLC PDU quantity that the transmitting terminal is sent reaches preset thresholding (i.e. PDU_WITHOUT_ The preset thresholdings of POLL=), the transmitting terminal send data volume (Byte amounts) quantity reach preset thresholding (i.e. The preset thresholdings of BYTE_WITHOUT_POLL=) and rebooting status report transmission request retransmission timer (i.e. Polling Retransmission timer (t-PollRetransmit)) time-out.
Polling triggering methods one：RLC entity independent operations are based on PDU_WITHOUT_POLL
The RLC entities of the transmitting terminal determine：After last time transmission state report transmission request is sent, it has been transmitted across But without requiring the RLC PDU quantity of status report to be equal to or more than thresholding, RLC polling are just triggered.The hair The RLC entity triggers of sending end need after sending state report transmission request, by the polling in the packet header RLC of next RLC PDU Bit is set to 1, then which is sent to the MAC entity of the transmitting terminal.The RLC entities of the transmitting terminal protect oneself " PDU_WITHOUT_POLL " and " BYTE_WITHOUT_POLL " deposited resets to 0, restarts " t-PollRetransmit ".By The MAC entity of the transmitting terminal determine when by this polling bit be 1 RLC PDU in air interface transmission.
Polling triggering methods two：RLC entity independent operations are based on BYTE_WITHOUT_POLL
The RLC entities of the transmitting terminal determine：After last time transmission state report transmission request is sent, it has been transmitted across It is equal to or more than door but without the BYTE total quantitys (BYTE_WITHOUT_POLL) for the RLC PDU for requiring status report Limit just triggers RLC polling.The RLC entity triggers of the transmitting terminal need after sending state report transmission request, will be next Polling bit in the packet header RLC of RLC PDU are set to 1, and then MAC which is sent to the transmitting terminal is real Body." PDU_WITHOUT_POLL " and " BYTE_WITHOUT_POLL " resetting that the RLC entities of the transmitting terminal preserve oneself It is 0, restarts " t-PollRetransmit ".It is determined when this polling bit by the MAC entity of the transmitting terminal For 1 RLC PDU in air interface transmission.
Polling triggering methods three：RLC entity independent operations are based on t-PollRetransmit
The RLC entities of the transmitting terminal determine：Last time triggering, which needs to send when state report sends request, starts t- PollRetransmit, t-PollRetransmit time-out, just trigger RLC polling.The RLC entity triggers of the transmitting terminal It needs after sending state report transmission request, the polling bit in the packet header RLC of next RLC PDU is set to 1, then will The RLC PDU are sent to the MAC entity of the transmitting terminal." the PDU_ that the RLC entities of the transmitting terminal preserve oneself WITHOUT_POLL " and " BYTE_WITHOUT_POLL " reset to 0, restart " t-PollRetransmit ".By the transmitting terminal MAC entity determine when by this polling bit be 1 RLC PDU in air interface transmission.
MAC using above-mentioned three kinds of methods, the RLC entity independent triggers polling of the transmitting terminal, the transmitting terminal is real Body is invisible to triggering polling processes, and advantage is that interlayer function separates clearly, and flow is simple.
What Polling was triggered can also be RLC entities and the MAC entity joint triggering of the transmitting terminal, institute specific as follows It states.
Polling triggering methods four：RLC entities and MAC entity cooperating are based on PDU_WITHOUT_POLL
The RLC entities of the transmitting terminal determine：After last time transmission state report transmission request is sent, it has been transmitted across It is equal to but without the quantity (PDU_WITHOUT_POLL) for the RLC PDU for requiring status report or quantity is more than thresholding, With regard to triggering RLC polling.After the RLC entity triggers RLC polling of the transmitting terminal, to the MAC entity of the transmitting terminal Send the first notification message, first notification message carries the RLC entities of the transmitting terminal triggered RLC The information of polling.After the MAC entity of the transmitting terminal receives the notification message, passed until to the PHY entities of the transmitting terminal When handing over MAC PDU, the MAC entity of the transmitting terminal sends second notification message to the RLC entities of the transmitting terminal, described Second notification message carries the information that the corresponding polling bits of the last one RLC PDU in MAC PDU are set 1 by request, institute It states the MAC entity of transmitting terminal and sends RLC corresponding to the last one described RLC PDU to the RLC entities of the transmitting terminal SN.The RLC entities of the transmitting terminal receive corresponding to the second notification message and the last one described RLC PDU After RLC SN, the polling bits of the RLC PDU corresponding to the RLC SN are set 1, it then will be corresponding to the RLC SN RLC PDU are sent to the MAC entity of the transmitting terminal, and the MAC entity of the transmitting terminal is right by RLC SN institutes The RLC PDU processing answered is corresponding MAC PDU, and the PHY entities for being then sent to the transmitting terminal are sent.
For example, as shown in figure 9, a kind of process shape of triggering RLC Polling methods for another embodiment of the present invention Serial No. 35-38 RLC PDU data packets are sent to the MAC realities of the transmitting terminal by state figure, the RLC entities of the transmitting terminal Body is ready for sending.No. 36 RLC PDU data packets of Serial No. are sent to the transmitting terminal by the RLC entities of the transmitting terminal After MAC entity, the counter PDU_WITHOUT POLL that the RLC entities of the transmitting terminal preserve are more than thresholding, the hair The RLC entity triggers RLC polling of sending end.The RLC entities of the transmitting terminal are by the RLC of the transmitting terminal Triggered RLC polling information notifies the MAC entity of the transmitting terminal to entity.The MAC of the transmitting terminal is real When body is ready for sending MAC PDU, the corresponding polling bits of the last one RLC PDU in MAC PDU are set 1 by request The sequence number of information and the last one RLC PDU are that No. 37 information notifies the RLC entities of the transmitting terminal, the transmission End the RLC entities it is notified after, the polling bits of No. 37 RLC PDU data packets of the Serial No. are set to 1, And the RLC PDU of the Serial No. 37 are issued to the MAC entity of the transmitting terminal.The MAC entity of the transmitting terminal No. 35-37 RLC PDU data packet of Serial No. is handled into a MAC PDU, wherein the RLC that Serial No. 37 The corresponding polling bits of PDU data packet are 1.
The variable t-PollRetransmit that transmitting terminal is safeguarded is restarted from the T2 moment, and the value of PDU_WITHOUT POLL is from 1 Start, polling bit are carried in the RLC PDU data packets of Serial No. 37, the RLC PDU datas of Serial No. 38 Packet belongs to not by polling, to be included in the PDU_WITHOUT POLL of next round.Similarly, BYTE_WITHOUT POLL Value since X (X is the size of the RLC PDU data packets of Serial No. 38), polling bit are carried in Serial No. 37 Number RLC PDU data packets in, the RLC PDU data packets of Serial No. 38 belong to not by polling, to be included in down In the BYTE_WITHOUT POLL of one wheel.
Polling triggering methods five：RLC entities and MAC entity cooperating are based on BYTE_WITHOUT_POLL
The RLC entities of the transmitting terminal determine：After last time transmission state report transmission request is sent, it has been transmitted across But without require the RLC PDU datas amount (BYTE_WITHOUT_POLL) of status report to be equal to or quantity be more than thresholding, With regard to triggering RLC polling.After the RLC entity triggers RLC polling of the transmitting terminal, to the MAC entity of the transmitting terminal Third notice message is sent, the third notice message carries the RLC entities of the transmitting terminal triggered RLC The information of polling.After the MAC entity of the transmitting terminal receives the notification message, passed until to the PHY entities of the transmitting terminal When handing over MAC PDU, the MAC entity of the transmitting terminal sends the 4th notification message to the RLC entities of the transmitting terminal, described 4th notification message carries the information that the corresponding polling bits of the last one RLC PDU in MAC PDU are set 1 by request, institute It states the MAC entity of transmitting terminal and sends RLC corresponding to the last one described RLC PDU to the RLC entities of the transmitting terminal SN.The RLC entities of the transmitting terminal receive corresponding to the second notification message and the last one described RLC PDU After RLC SN, the polling bits of the RLC PDU corresponding to the RLC SN are set 1, it then will be corresponding to the RLC SN RLC PDU are sent to the MAC entity of the transmitting terminal, and the MAC entity of the transmitting terminal is right by RLC SN institutes The RLC PDU processing answered is corresponding MAC PDU, and the PHY entities for being then sent to the transmitting terminal are sent.
Polling triggering methods six：RLC entities and MAC entity cooperating are based on t-PollRetransmit
The RLC entities of the transmitting terminal determine：When last time triggering needs to send state report transmission request, start t- PollRetransmit just triggers RLC polling when the t-PollRetransmit time-out.The RLC of the transmitting terminal After entity triggers RLC polling, third notice message, the third notice message are sent to the MAC entity of the transmitting terminal Carry the information of the RLC entities of the transmitting terminal triggered RLC polling.The MAC entity of the transmitting terminal receives After the notification message, until submitting MAC PDU to the PHY entities of the transmitting terminal, the MAC entity of the transmitting terminal is to described The RLC entities of transmitting terminal send the 4th notification message, and the 4th notification message carries request will be last in MAC PDU The corresponding polling bits of one RLC PDU set 1 information, and the MAC entity of the transmitting terminal is to described in the transmitting terminal RLC entities send the RLC SN corresponding to the last one described RLC PDU.The RLC entities of the transmitting terminal receive described After RLC SN corresponding to second notification message and the last one described RLC PDU, by the RLC PDU corresponding to the RLC SN Polling bits set 1, the then MAC that the RLC PDU corresponding to the RLC SN are sent to the transmitting terminal is real Body, it is corresponding MAC PDU that the MAC entity of the transmitting terminal, which handles the RLC PDU corresponding to the RLC SN, then The PHY entities for being sent to the transmitting terminal are sent.
By the cooperation of the MAC entity and RLC entities of the transmitting terminal, when ensureing that sending state report sends request, MAC Always the polling bits of the last one RLC PDU set 1 in PDU, the variable PDU_WITHOUT_POLL safeguarded to transmitting terminal With BYTE_WITHOUT_POLL reflection be newest state.
In above-mentioned Polling triggering methods four, five and six, when the RLC entity triggers RLC polling of the transmitting terminal, The MAC entity of the transmitting terminal is notified, after the MAC entity of the transmitting terminal is notified, when generating MAC PDU, described in request The polling bits of the last one RLC PDU are set 1 and by the SN of the last one RLC PDU by the RLC entities of transmitting terminal Notify RLC entities.
It in another embodiment of the invention, can also be by MAC PDU in above-mentioned Polling triggering methods four, five and six The polling bits of interior any one or more RLC PDU set 1, can be with speed up processing.MAC entity need not wait LCP Terminate, when determining which RLC PDU is the last one RLC PDU in current MAC PDU, then determines and add polling.It will be more Polling bits in a RLC PDU set 1, can increase the reliability of polling, if one of them in transmission process Mistake occurs for polling bits, can be made up by other polling bits.
In another embodiment of the invention, in above-mentioned Polling triggering methods four, five and six, if introducing CBG weights It passes, certain a part of CBG transmission always fails, and the 0-n CB has successfully received, and physical layer entity can be direct by the 0-n CB Occur to MAC entity, if MAC entity can identify MAC SDU according to this 0-n CB, just submitted to corresponding RLC entities, After RLC entities receive, if it find that it is 1 to have polling bits, so that it may to start RLC re-transmissions.In such a scenario, a kind of place Reason mode is in MAC PDU, and RLC entities select first RLC in multiple RLC PDU from the same RLC entities Its polling bit is set 1 by PDU.
In another embodiment of the invention, in above-mentioned Polling triggering methods four, five and six, receiving terminal receives band No matter after the MAC PDU of polling, several polling bits are carried in the MAC PDU, all only send out a state report.And When status report, only consider that current RLC has received those RLC PDU, do not receive those RLC PDU, do not consider from Polling bits are received in the RLC head of that RLC PDU.
In another embodiment of the invention, after the RLC entity triggers RLC polling of the transmitting terminal, institute is not notified State the MAC entity of transmitting terminal.When the MAC entity of the transmitting terminal generates MAC PDU, no matter whether the last one RLC PDU needs It is segmented, the SN of the last one RLC PDU in the MAC PDU is all notified to the RLC entities of the transmitting terminal.
If the last one RLC PDU in the MAC PDU needs to be segmented, the RLC entities of the transmitting terminal will be segmented RLC PDU segment afterwards issue the MAC entity of the transmitting terminal, the polling bits of the last one RLC PDU are set 1, it is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention as shown in Figure 10.
If the last one RLC PDU in the MAC PDU is not segmented, the RLC entities of the transmitting terminal are by institute The MAC entity that the last one RLC PDU SN issues the transmitting terminal is stated, by the polling bits of the last one RLC PDU 1 is set, the MAC entity of the transmitting terminal is also issued, is another triggering RLC of another embodiment of the present invention as shown in figure 11 The process status figure of Polling methods.
When the last one RLC PDU in the MAC PDU is not segmented, the RLC entities of the transmitting terminal from T2 when Restart t-PollRetransmit at quarter, since 1, polling bit=1 are carried the value of PDU_WITHOUT POLL In the RLC PDU data packets of Serial No. 37, No. 38 RLC PDU data packets of Serial No. belong to the RLC that is not triggered Polling's, data 1 are included in the PDU_WITHOUT POLL of next round.Similarly, BYTE_WITHOUT POLL at this time Value is since X, wherein the X is the data volume sizes values of No. 38 RLC PDU data packets of Serial No., because of polling bit =1 carries in the RLC PDU data packets of Serial No. 37, and No. 38 RLC PDU data packets of Serial No., which belong to, not to be touched RLC polling are sent out, so X needs will be included in the BYTE_WITHOUT POLL of next round.
When No. 37 RLC PDU datas of Serial No. are segmented, BYTE_WITHOUT POLL can also have another Kind mode：Since X (X be Serial No. 37 RLC PDU data packets in the size of part that is not transmitted also, in addition sequence The size for the RLC PDU data packets that row number is No. 38) because polling Bit carry the RLC PDU numbers in Serial No. 37 According in first of packet segmentation segment, the RLC PDU data packets of Serial No. 38 belong to not by RLC polling, Therefore, the data volume size of the RLC PDU data packets of Serial No. 38 needs the BYTE_WITHOUT POLL for being included in next round In.
In another embodiment of the invention, after the RLC entity triggers RLC polling of the transmitting terminal, to subsequent The all or part of polling bit bits of multiple RLC PDU set 1, and the MAC entity until receiving the transmitting terminal indicates The information that polling bits have been sent, at this point, the RLC entities of the transmitting terminal stop to being subsequently sent to the transmitting terminal The RLCpolling bits of the RLC PDU of MAC entity set 1, are that the another kind of another embodiment of the present invention touches as shown in figure 12 Send out the process status figure of RLC Polling methods.Such as Figure 12, the MAC entity of the transmitting terminal receives the RLC of Serial No. 38 After the polling bit=1 of PDU, sent to the request of the RLC entities status report of the transmitting terminal for activation Information.
In another embodiment of the invention, the MAC entity of the transmitting terminal is indicated to the RLC entities of the transmitting terminal It can also be that the RLC PDU that sequence number SN is No. 38 have had sent, can also be the RLC that sequence number SN is No. 38 by request The information that PDU is segmented.
If the MAC entity of the transmitting terminal indicates RLC PDU SN to the RLC entities of the transmitting terminal, The RLC entities of the transmitting terminal can change the RLC PDU of the original MAC entity for once issuing the transmitting terminal, As shown in figure 13, it is another process status figure for triggering RLC Polling methods of another embodiment of the present invention.Such as figure 13, the MAC entity of the transmitting terminal is after transmission of eating dishes without rice or wine, into the RLC entities of transmitting terminal instruction MAC PDU The last one RLC PDU SN is 37 information, after the RLC entities of the transmitting terminal receive, finds Serial No. 38 RLC PDU data packets have transmitted to the MAC entity of the transmitting terminal, and corresponding polling bits are 1, then The RLC entities of the transmitting terminal transmit Sequence Number to the MAC entity of the transmitting terminal as No. 38 RLC PDU again Data packet sets to 0 polling bits.
It is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention, institute such as Figure 14 After the RLC entities determination triggering RLC polling for stating transmitting terminal, send a notification message to the MAC, the notification message It can carry or not carry a RLC PDU SN band.If the notification message carries RLC PDU SN, the transmitting terminal The polling bits of the corresponding RLC PDU of the RLC PDU SN are set 1 by the MAC entity；If the notification message does not have RLC PDU SN are carried, which RLC is the MAC entities of the transmitting terminal determine according to the opportunity of notified message by The polling bits of PDU set 1, for example, after the MAC entity of the transmitting terminal receives the notification message, by it is next from The polling bits for the RLC PDU that the RLC entities of the transmitting terminal receive set 1.The MAC entity of the transmitting terminal The polling bits of one or more RLC PDU can also be set 1, eat dishes without rice or wine to send.
Optionally, by RLC polling, triggered information notifies the transmitting terminal to the RLC entities of the transmitting terminal The MAC entity when, PDU_WITHOUT_POLL and BYTE_WITHOUT_POLL are set to 0, restarts to count, restarts T_ PollRetransmit.In another embodiment of the invention, the MAC entity of the transmitting terminal is about to Serial No. X certainly RLC PDU in polling bits when making 1 into, will make the polling of the packet of RLC SN=X into 1 information to institute The RLC entities for stating transmitting terminal are sent, the RLC entities of the transmitting terminal receive this this by the packet of RLC SN=X Polling make 1 information into after, PDU_WITHOUT_POLL and BYTE_WITHOUT_POLL are set to 0, restart to count, weight Open T_PollRetransmit.
It is the process status figure of another triggering RLC Polling methods of another embodiment of the present invention, institute such as Figure 15 State transmitting terminal the MAC entity receive a MAC PDU after, if it find that same logic channel has multiple RLC PDU, by institute It states multiple RLC PDU and is sent to the RLC entities of the transmitting terminal, and indicate that the multiple RLC PDU come from the same MAC PDU。
After the RLC entities of the transmitting terminal receive multiple RLC PDU, as long as there is any one or more RLC PDU Polling bits be 1, be considered as that highest RLC PDU of RLC SN in this crowd of RLC PDU and trigger RLC polling, And polling bits are 1, such as such as Figure 15, receiving terminal determination：The RLCPDU data packets of RLC PDU SN=37 trigger polling.So the RLC entities of the receiving terminal when determining whether to generate state report, are subject to RLC PDU SN=37 When generating state report, the reception condition of the data packet before RLC PDU SN=37 is included.
As shown in figure 16, it is that a kind of RLC of one embodiment of the invention controls the data knot of PDU (RLC control PDU) The RLC control PDU of structure schematic diagram, the present embodiment can be used to implement the polling functions in NR, with RLC Control PDU indicates receiving terminal status report.
It is illustrated in fig. 16 shown below, D/C indicates that the PDU is data PDU (data PDU) or control PDU (control PDU)； CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT；POLL_SN indicates triggering The SN of the RLC control PDU of the state report, this SN value can be subject to its corresponding RLC PDU to generate state report The value of the POLL_SN of announcement, can also be the SN values of other RLC PDU in currently transmitted window, and the example in Figure 16 is that SN is The case where 10bit, but the SN length is not limited only under concrete condition.
Below in the description of RLC state reports, the length of each field is only a citing, in specific implementation, respectively A field can use different length.
As shown in figure 17, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for the sequence number SN of RLC PDU<=SN<Between=VR (MS), and to low since VR (R) AMD PDU between the size RLC_SN_LENGTH of layer instruction, generate state report from front to back.Therefore, it is necessary to generate state The range of report is VR (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.Accordingly, we are the state of NR Feedback report is defined as follows format, wherein the value of the VR (R) indicates the sequence number of RLC PDU and is that the receiving terminal is current It is expected that the corresponding sequence numbers of RLC PDU received, the value of VR (MS) indicates the sequence number of RLC PDU and is that the receiving terminal is current The corresponding sequence number of paid-in highest RLC PDU adds 1.Wherein, the RLC_SN_LENGTH indicates this field institute of RLC SN The bit numbers accounted for, the AMD PDU are that RLC PDU, the AMD SDU under RLC AM patterns are RLC SDU under RLC AM patterns.
As shown in figure 17, the parameter of the RLC status report formats is described below.
D/C indicates that the PDU is data PDU or control PDU.
The type that the type (Control PDU TYPE, CPT) of control PDU indicates the control PDU, could be provided as Any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD SDU or AMD the SDU segmentations being lost.
Followed by whether E1 indicate after " NACK_SN_START+NACK_SN_END+E1+E2+E3 " or " ACK_SN+E1 " Another " NACK_SN_START+NACK_SN_END+E1+E2+E3 " is combined.Value corresponds to "No" when being 0, is worth when being 1 and corresponds to "Yes".The NACK_SN_START is the first RLC PDU indicated in the unreceived multiple continuous RLC PDU of receiving terminal SN, the NACK_SN_END is the last one the RLC PDU indicated in the unreceived multiple continuous RLC PDU of receiving terminal SN.
Followed by whether E2 indicate " NACK_SN_START+NACK_SN_END+E1+E2+E3 " combination later "RANGEstart".Value corresponds to "No" when being 0, shows that first PDU is complete SDU；Value corresponds to "Yes" when being 1, indicates the One PDU is RLC SDU segmentations.Wherein, the RANGEstart indicates that RLC SDU segmentations (RLC SDU segement) exist Initial position in the corresponding RLC SDU of NACK_SN_START.
Followed by whether E3 indicate " NACK_SN_START+NACK_SN_END+E1+E2+E3 " combination later "RANGEend".Value corresponds to "No" when being 0, shows that the last one PDU is complete RLC SDU；Value corresponds to "Yes", table when being 1 Show that the last one PDU is RLC SDU segmentations.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
Optionally, if " NACK_SN_START=NACK_SN_END ".Indicate the RLC PDU currently lost or segmentation only There are one.The RLC status report formats are mainly used in the RLC PDU of loss or the situation that number of fragments is more, Ke Yitong RRC configurations are crossed to realize the conversion with other above-mentioned status PDU formats.
According to above-mentioned format, one shares 6 kinds of combinations, and may be combined by as a result showing by this 6 kinds, above-mentioned RLC state reports Format can indicate uniquely, as shown in table 1.
Table 1
In example shown in Figure 17, the length of NACK_SN_START and NACK_SN_END is identical, in the another of the present invention In embodiment, the length of the NACK_SN_START and NACK_SN_END can also be different, for example, the length of NACK_SN_END Length of the degree less than NACK_SN_START, such as：The length of NACK_SN_END is S bit, and the length of NACK_SN_START is L bits, L>=S, this format indicate a high position for high order bit (the total L-S bits) and NACK_SN_START of NACK_SN_END Bit is identical, and the low-order bit (S bit altogether) of NACK_SN_END is different from the low-order bit of NACK_SN_START.
As illustrated in fig 17 a, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for the sequence number SN of RLC PDU<=SN<Between=VR (MS), and to low since VR (R) AMD PDU between the size RLC_SN_LENGTH of layer instruction generate state report according to the ascending order of RLC SN.Therefore, it is necessary to The range for generating state report is VR (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.Accordingly, it is NR's State feedback report defines the format such as Figure 17 a, wherein the value of the VR (R) indicates the sequence number of RLC PDU and connect to be described Receiving end currently it is expected that the corresponding sequence numbers of RLC PDU received, the value of VR (MS) indicate the sequence number of RLC PDU and connect to be described Currently the corresponding sequence numbers of paid-in highest RLC PDU add 1 to receiving end.Wherein, the RLC_SN_LENGTH indicate RLC SN this Bit numbers shared by a field, the AMD PDU are that RLC PDU, the AMD SDU under RLC AM patterns are under RLC AM patterns RLC SDU。
As illustrated in fig 17 a, the parameter of the RLC status report formats is described below.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
The type (Control PDU TYPE, CPT) of control PDU indicates the type of the RLC control PDU, for example, CPT values are that 1 expression RLC control PDU are a RLC state reports, and CPT values are that 0 expression RLC control PDU are them The RLC control PDU of its type.
Followed by whether E1 indicate after " NACK_SN_START+NACK_SN_END+E1+E2+E3 " or " ACK_SN+E1 " Another " NACK_SN_START+NACK_SN_END+E1+E2+E3 " is combined.E1 values correspond to "No" when being 0, when E1 values are 1 Corresponding "Yes".The NACK_SN_START is first RLC indicated in the unreceived multiple continuous RLC PDU of receiving terminal The SN of PDU, the NACK_SN_END are the last one RLC indicated in the unreceived multiple continuous RLC PDU of receiving terminal The SN of PDU.
Followed by whether E2 indicate " NACK_SN_START+NACK_SN_END+E1+E2+E3 " combination later "RANGEstart".E2 values correspond to "No" when being 0, show that first PDU is complete SDU；E2 values correspond to "Yes", table when being 1 Show that first PDU is RLC SDU segmentations.Wherein, the RANGEstart indicates RLC SDU segmentations (RLC SDU segement) The initial position in the corresponding RLC SDU of NACK_SN_START.In another embodiment of the invention, in RLC SDU segmentations Byte location of the first character section in the corresponding RLC SDU of NACK_SN_START.
Followed by whether E3 indicate " NACK_SN_START+NACK_SN_END+E1+E2+E3 " combination later "RANGEend".E3 values correspond to "No" when being 0, show that the last one RLC PDU is complete RLC SDU；E3 values correspond to when being 1 "Yes" indicates that the last one RLC PDU is RLC SDU segmentations.In another embodiment of the invention, the RANGEend is indicated RLC SDU segmentations rearmost position in the corresponding RLC SDU of NACK_SN_END, i.e. the last byte in RLC SDU segmentations Byte location in the corresponding RLC SDU of NACK_SN_END.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received. In another embodiment of the invention, ACK_SN is indicated before the SN, in addition to NACK_SN_START to corresponding NACK_SN_ END indicates except the packet continuously lost that other Bao Jun have been received.
Optionally, if " NACK_SN_START=NACK_SN_END ", the RLC SDU currently lost or segmentation are indicated only There are one.The RLC status report formats are mainly used in the RLC SDU of loss or the situation that number of fragments is more, Ke Yitong RRC configurations are crossed to realize the conversion with other above-mentioned status PDU formats.
According to above-mentioned format, one shares 6 kinds of combinations, and may be combined by as a result showing by this 6 kinds, above-mentioned RLC state reports Format can be indicated uniquely, as shown in table 1a.
Table 1a
As shown in figure 18, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back, are VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
As shown in figure 18, the parameter of another RLC status report formats is described below.
D/C indicates that the PDU is data PDU or control PDU.
CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD PDU or the AMDPDU segmentations being lost.
E1 indicates " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+RANGEend " or " ACK_SN+ Whether followed by another " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+ after E1 " RANGEend " is combined.Value corresponds to "No" when being 0, is worth when being 1 and corresponds to "Yes".Wherein, the RANGEstart indicates RLC SDU It is segmented the initial position in the corresponding RLC SDU of NACK_SN_START (RLC SDU segement).The RANGEend is indicated RLC SDU are segmented the rearmost position in the corresponding RLC SDU of NACK_SN_START (RLC SDU segement).
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".Value corresponds to "No" when being 0, shows First PDU is complete SDU；Value corresponds to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.
" RANGEend " followed by whether E3 indicate after " NACK_SN_END ".Value corresponds to "No" when being 0, shows last One PDU is complete SDU；Value corresponds to "Yes" when being 1, indicates that the last one PDU is RLC SDU segmentations.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
Particularly, if " NACK_SN_START=NACK_SN_END ".Indicate the RLC PDU currently lost or segmentation only There are one, which is mainly used in the RLC PDU of loss or the situation that number of fragments is more, can pass through RRC configures to realize the conversion with other above-mentioned status PDU formats.
According to above-mentioned format, one shares 6 kinds of combinations.As a result may be combined by showing by this 6 kinds, above-mentioned RLC state reports Format can indicate uniquely, as shown in table 2.
Table 2
In example shown in Figure 18, the length of NACK_SN_START and NACK_SN_END is identical, in the another of the present invention In embodiment, the length of the NACK_SN_START and NACK_SN_END is different, for example, the length of NACK_SN_END is less than The length of NACK_SN_START, for example, the length of NACK_SN_END is S bit, the length of NACK_SN_START is L bits, L>=S, this format indicate high order bit phase of the high order bit (total L-S bits) of NACK_SN_END with NACK_SN_START Together, the low-order bit (S bit altogether) of NACK_SN_END is different from the low-order bit of NACK_SN_START.
As shown in figure 18 a, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back, are VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
As shown in figure 18 a, the parameter of another RLC status report formats is described below.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
E1 indicates " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+RANGEend " or " ACK_SN+ Whether followed by another " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+ after E1 " RANGEend " is combined.E1 values correspond to "No" when being 0, E1 values correspond to "Yes" when being 1.Wherein, the RANGEstart indicates RLC SDU is segmented the initial position in the corresponding RLC SDU of NACK_SN_START (RLC SDU segement).The RANGEend Indicate that RLC SDU are segmented the rearmost position in the corresponding RLC SDU of NACK_SN_START (RLC SDU segement).
In another embodiment of the invention, E1 can also indicate " NACK_SN_START+E2+RANGEstart+NACK_ Whether followed by another " NACK_SN_START+E2+ after SN_END+E3+RANGEend " or " ACK_SN+E1 " RANGEstart+NACK_SN_END+E3+RANGEend " is combined.E1 values correspond to "No" when being 0, E1 values correspond to "Yes" when being 1. Wherein, the NACK_SN_START is the first RLC PDU indicated in the unreceived multiple continuous RLC PDU of receiving terminal SN, the NACK_SN_END is the last one the RLC PDU indicated in the unreceived multiple continuous RLC PDU of receiving terminal SN.The RANGEstart indicates RLC SDU segmentations (RLC SDU segement) in the corresponding RLC of NACK_SN_START Byte of the first character section in the corresponding RLC SDU of NACK_SN_START in the segmentation of initial position in SDU, i.e. RLC SDU Position.The RANGEend indicates RLC SDU segmentations (RLC SDU segement) in the corresponding RLC SDU of NACK_SN_END Byte position of the last byte in the corresponding RLC SDU of NACK_SN_END in the segmentation of middle rearmost position, i.e. RLC SDU It sets.
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".E2 values correspond to "No", table when being 0 Bright first PDU is complete SDU；E2 values correspond to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.
" RANGEend " followed by whether E3 indicate after " NACK_SN_END ".E3 values correspond to "No" when being 0, show most The latter PDU is complete SDU；E3 values correspond to "Yes" when being 1, indicate that the last one PDU is RLC SDU segmentations.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received. In another embodiment of the invention, ACK_SN is indicated before the SN, in addition to NACK_SN_START to corresponding NACK_SN_ END indicates except the packet continuously lost that other Bao Jun have been received.
Particularly, if " NACK_SN_START=NACK_SN_END ".Indicate the RLC SDU currently lost or segmentation only There are one, which is mainly used in the RLC SDU of loss or the situation that number of fragments is more, can pass through RRC configures to realize the conversion with other above-mentioned status PDU formats.
According to above-mentioned format, one shares 6 kinds of combinations.As a result may be combined by showing by this 6 kinds, above-mentioned RLC state reports Format can be indicated uniquely, as shown in table 2a.
Table 2a
As shown in figure 19, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C indicates that the PDU is data PDU or control PDU.
CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD SDU or AMD the SDU segmentations being lost.
E1 indicates whether closely followed after " NACK_SN+E1+E2+E3+RANGEstart+RANGEend " or " ACK_SN+E1 " Another " NACK_SN+E1+E2+E3+RANGEstart+RANGEend " combination.Value corresponds to "No" when being 0, is worth when being 1 Corresponding "Yes".
" RANGEstart+RANGEend " followed by whether E2 indicate after " NACK_SN_START ".Value corresponds to when being 0 "No", that be shown to be loss is complete SDU；Value corresponds to "Yes" when being 1, indicates a fragment loss of the SDU.
" RANGEstart+RANGEend " followed by whether E3 indicate after " RANGEstart+RANGEend ".Value is 0 When correspond to "No", show that the combination is the last one in current RLC SDU；Value corresponds to "Yes" when being 1, indicate still to follow below It one " RANGEstart+RANGEend ".
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
As shown in figure 19a, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
NACK_SN is the SN values that receiving terminal thinks AMD SDU or AMD the SDU segmentations being lost.
E1 indicates whether closely followed after " NACK_SN+E1+E2+E3+RANGEstart+RANGEend " or " ACK_SN+E1 " Another " NACK_SN+E1+E2+E3+RANGEstart+RANGEend " combination.E1 values correspond to "No" when being 0, and E1 values are "Yes" is corresponded to when 1.
" RANGEstart+RANGEend " followed by whether E2 indicate after " NACK_SN_START ".E2 values be 0 when pair "No" is answered, that be shown to be loss is complete SDU；E2 values correspond to "Yes" when being 1, indicate a fragment loss of the SDU.
In another embodiment of the invention, whether followed by E2 can also indicate after " NACK_SN " " RANGEstart +RANGEend".E2 values correspond to "No" when being 0, and that be shown to be loss is complete SDU；E2 values correspond to "Yes" when being 1, indicating should A fragment loss of SDU.Wherein, the RANGEstart indicates RLC SDU segmentations in the corresponding RLC SDU of NACK_SN Byte location of the first character section in the corresponding RLC SDU of NACK_SN in the segmentation of initial position, i.e. RLC SDU.It is described RANGEend indicates RLC SDU segmentations rearmost position in the corresponding RLC SDU of NACK_SN, i.e. last in RLC SDU segmentations Byte location of one byte in the corresponding RLC SDU of NACK_SN.
" RANGEstart+RANGEend " followed by whether E3 indicate after " RANGEstart+RANGEend ".E3 values are "No" is corresponded to when 0, shows that the combination is the last one in current RLC SDU；E3 values correspond to "Yes" when being 1, indicate below still It is followed by one " RANGEstart+RANGEend ".
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
The huge packet supported is agreed to when this state report is king-sized especially suitable for data packet, such as in NR (jumbo packet).The conversion with other above-mentioned status PDU formats can be realized by RRC configurations, according to above-mentioned The format of Figure 19 or 19a, one shares 3 kinds of combinations, as shown in table 3.
Table 3
In another embodiment of the invention, if receiving terminal thinks that the segmentation not received is more scattered, can also collect One bigger segmentation of middle feedback, to reduce the size of RLC state reports.For example these three are small by 20-22,25-28,30-45 Segmentation does not receive, and receiving terminal generates a state report, and notice transmitting terminal " 20-45 " this section is not all received, please be retransmitted.
As shown in figure 20, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C indicates that the PDU is data PDU or control PDU.
CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD PDU or the AMDPDU segmentations being lost.
E1 indicate " NACK_SN_START+E2+RANGEstart+bitmap+E3+RANGEend " or " ACK_SN+E1 " it Followed by whether another " NACK_SN_START+E2+RANGEstart+bitmap+E3+RANGEend " is combined afterwards.Value is "No" is corresponded to when 0, is worth when being 1 and is corresponded to "Yes".
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".Value corresponds to "No" when being 0, shows First PDU is complete SDU；Value corresponds to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.
Whether the RLC SDU or segmentation that Bitmap is used to refer on corresponding position lose.If lost, the value of bitmap is 0；Otherwise, the value of bitmap is 1.The length of bitmap is 10bit in example in figure, but is not limited only to 10bit in applying Length.
" RANGEend " followed by whether E3 indicate later.Value corresponds to "No" when being 0, shows that the last one in bitmap is RLC PDU indicated by 0 position are the RLC SDU completely lost；Value corresponds to "Yes" when being 1, indicate the last one in bitmap What the RLC PDU indicated by the position for 0 lost is segmentation.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
When this state report is especially suitable for wrapping king-sized, for example the jumbo packet supported are agreed in NR.
As illustrated in fig. 20, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
E1 indicate " NACK_SN_START+E2+RANGEstart+bitmap+E3+RANGEend " or " ACK_SN+E1 " it Followed by whether another " NACK_SN_START+E2+RANGEstart+bitmap+E3+RANGEend " is combined afterwards.E1 values "No" is corresponded to when being 0, E1 values correspond to "Yes" when being 1.In another embodiment of the invention, the NACK_SN_START is table Show the SN of the RLC PDU in bitmap indicated by first.
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".E2 values correspond to "No", table when being 0 Bright first PDU is complete SDU；E2 values correspond to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.In the present invention Another embodiment in, the RANGEstart indicates that RLC SDU segmentations rise in the corresponding RLC SDU of NACK_SN_START Byte location of the first character section in the corresponding RLC SDU of NACK_SN_START in the segmentation of beginning position, i.e. RLC SDU.
Whether the RLC SDU or segmentation that Bitmap is used to refer on corresponding position lose.If lost, the value of bitmap is 0；Otherwise, the value of bitmap is 1.The length of bitmap is 10bit in example in figure, but is not limited only to 10bit in applying Length.
" RANGEend " followed by whether E3 indicate later.E3 values correspond to "No" when being 0, show the last one in bitmap RLC PDU indicated by position for 0 are the RLC SDU completely lost；E3 values correspond to "Yes" when being 1, indicate last in bitmap What the RLC PDU indicated by one position for 0 lost is the segmentation of RLC SDU.In another embodiment of the invention, described RANGEend indicates RLC SDU segmentations rearmost position in corresponding RLC SDU, i.e. the last one in RLC SDU segmentations Byte location of the byte in corresponding RLC SDU.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
When this state report is especially suitable for wrapping king-sized, for example the jumbo packet supported are agreed in NR.
As shown in figure 21, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C indicates that the PDU is data PDU or control PDU.
CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD PDU or the AMDPDU segmentations being lost.
E1 indicates " NACK_SN_START+E2+RANGEstart+SN_RANGE+E3+RANGEend " or " ACK_SN+E1 " Followed by whether another " NACK_SN_START+E2+RANGEstart+SN_RANGE+E3+RANGEend " is combined later. Value corresponds to "No" when being 0, is worth when being 1 and corresponds to "Yes".
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".Value corresponds to "No" when being 0, shows First PDU is complete SDU；Value corresponds to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.SN_RANGE is used for Indicate the number of the RLC PDU or segmentation that are continuously lost after NACK_SN_START.It is indicated with 10bit in figure, it is practical In the case of be not limited only to the situation.
" RANGEend " followed by whether E3 indicate later.Value corresponds to "No" when being 0, shows indicated by SN_RANGE most The latter RLC PDU are the RLC SDU completely lost；Value corresponds to "Yes" when being 1, shows the last one indicated by SN_RANGE What RLC PDU lost is RLC SDU segmentations.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
This state report is more flexible, can indicate that the packet number continuously lost is 0~1024 different situations.
As shown in fig. 21 a, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
E1 indicates " NACK_SN_START+E2+RANGEstart+SN_RANGE+E3+RANGEend " or " ACK_SN+E1 " Followed by whether another " NACK_SN_START+E2+RANGEstart+SN_RANGE+E3+RANGEend " is combined later. E1 values correspond to "No" when being 0, E1 values correspond to "Yes" when being 1.
In another embodiment of the invention, NACK_SN_START indicates the unreceived multiple continuous RLC of receiving terminal The SN of first RLC PDU in PDU.
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".E2 values correspond to "No", table when being 0 Bright first PDU is complete SDU；E2 values correspond to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.In the present invention Another embodiment in, the RANGEstart indicates RLC SDU segmentations in the corresponding RLC SDU of NACK_SN_START Byte location of the first character section in the corresponding RLC SDU of NACK_SN_START in the segmentation of initial position, i.e. RLC SDU. The number for the RLC PDU or segmentation that SN_RANGE is used for indicating continuously to lose after NACK_SN_START.It is used in figure 10bit is indicated, is not limited only to the situation under actual conditions.SN_RANGE is corresponding continuous in another embodiment of the invention The RLC PDU of loss include the RLC PDU of corresponding first loss of NACK_SN_START, and include the last one loss RLC PDU.At this point, if there are one the RLC lost PDU, SN_RANGE values are 1.
Optionally, the corresponding RLC PDU continuously lost of SN_RANGE can not include NACK_SN_START corresponding The RLC PDU of first loss, and include the RLC PDU that the last one is lost.At this point, if the RLC PDU lost only have One, SN_RANGE values are 0.
Optionally, the corresponding RLC PDU continuously lost of SN_RANGE may include NACK_SN_START corresponding The RLC PDU of one loss, and do not include the RLC PDU of the last one loss.At this point, if the RLC PDU lost only have One, SN_RANGE values are 0.
" RANGEend " followed by whether E3 indicate later.E3 values correspond to "No" when being 0, show indicated by SN_RANGE The last one RLC PDU is the RLC SDU completely lost；E3 values correspond to "Yes" when being 1, show last indicated by SN_RANGE What one RLC PDU lost is RLC SDU segmentations.In another embodiment of the invention, the RANGEend indicates the RLC Rearmost position of the SDU segmentations in corresponding RLC SDU, i.e. the last byte in RLC SDU segmentations is in corresponding RLC SDU Byte location.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received. In another embodiment of the invention, ACK_SN is indicated before the SN, in addition to what is continuously lost since NACK_SN_START Except packet, other Bao Jun have been received.
This state report is more flexible, can indicate that the packet number continuously lost is 0~1024 different situations.
As shown in fig. 21b, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
E1 is indicated No followed by another " NACK_SN_START+RANGEstart+SN_RANGE+RANGEend " is combined.E1 values be 0 when pair "No", E1 values is answered to correspond to "Yes" when being 1.
NACK_SN_START is the first RLC PDU indicated in the unreceived multiple continuous RLC PDU of receiving terminal SN。
Complete RLC SDU or RLC SDU segmentations corresponding to the RLC PDU of RANGEstart first loss of expression exist Initial position in the corresponding RLC SDU of NACK_SN_START, i.e., first loss RLC PDU corresponding to complete RLC Byte location of the first character section in the corresponding RLC SDU of NACK_SN_START in SDU or RLC SDU segmentations.
RANGEend indicates that complete RLC SDU corresponding to the RLC PDU that the last one is lost or RLC SDU are segmented in phase The rearmost position in RLC SDU is answered, i.e. complete RLC SDU corresponding to the last one RLC PDU lost or RLC SDU segmentations In byte location of the last byte in corresponding RLC SDU.If the last one the RLC PDU lost is one complete RLC SDU, or corresponding RLC SDU the last one segmentation, the RANGEend=RLC SDU sizes.Optionally, if lost The last one the RLC PDU lost is a complete RLC SDU, or accordingly the last one segmentation of RLC SDU, RANGEend =0.Optionally, if the last one the RLC PDU lost is a complete RLC SDU, or corresponding RLC SDU's is last One segmentation, RANGEend=' 1111111111 '.
The number for the RLC PDU that SN_RANGE is used for indicating continuously to lose after NACK_SN_START.It is used in figure 10bit is indicated, is not limited only to the situation under actual conditions.The corresponding RLC PDU continuously lost of SN_RANGE, including The RLC PDU of corresponding first loss of NACK_SN_START, and include the RLC PDU that the last one is lost.At this point, such as There are one RLC PDU that fruit is lost, and SN_RANGE values are 1.
Optionally, the corresponding RLC PDU continuously lost of SN_RANGE can not include NACK_SN_START corresponding The RLC PDU of first loss, and include the RLC PDU that the last one is lost.At this point, if the RLC PDU lost only have One, SN_RANGE values are 0.
Optionally, the corresponding RLC PDU continuously lost of SN_RANGE may include NACK_SN_START corresponding The RLC PDU of one loss, and do not include the RLC PDU of the last one loss.At this point, if the RLC PDU lost only have One, SN_RANGE values are 0.ACK_SN indicates before the SN, in addition to the packet continuously lost since NACK_SN_START it Outside, other Bao Jun have been received.
As shown in figure 22, it is a kind of RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU feed back for realizing the state report in NR.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C indicates that the PDU is data PDU or control PDU.
CPT indicates the type of the control PDU, could be provided as any CPT value different from existing CPT.
NACK_SN is the SN values that receiving terminal thinks AMD SDU or AMD the SDU segmentations being lost.
E1 indicates " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+RANGEend " or " ACK_SN+ Whether followed by another " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+ after E1 " RANGEend " is combined.Value corresponds to "No" when being 0, is worth when being 1 and corresponds to "Yes".
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".Value corresponds to "No" when being 0, shows First PDU is complete SDU；Value corresponds to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.
" RANGEend " followed by whether E3 indicate after " NACK_SN_END ".Value corresponds to "No" when being 0, shows last One PDU is complete SDU；Value corresponds to "Yes" when being 1, indicates that the last one PDU is RLC SDU segmentations.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received.
Particularly, if " NACK_SN_START=NACK_SN_END ".Indicate the RLC PDU currently lost or segmentation only There are one.
Therefore, according to above-mentioned format, one shares 6 kinds of combinations, and may be combined by as a result showing by this 6 kinds, above-mentioned RLC states Reporting format can indicate uniquely, as shown in table 4.
Table 4
As shown in Figure 22 a, it is another RLC status report formats (RLC status PDU) of another embodiment of the present invention Structural schematic diagram, the RLC status PDU for realizing in NR state report feed back.
VR (R) is located at for SN<=SN<Between=VR (MS), and the size RLC_ indicated to low layer since VR (R) AMD PDU between SN_LENGTH, generate state report from front to back.It is VR therefore, it is necessary to generate the range of state report (R)<=SN<=min { VR (MS), VR (R)+RLC_SN_LENGTH }.
D/C bits indicate the RLC PDU be RLC data PDU or RLC control PDU, D/C bits be 0, indicate Corresponding RLC PDU are that RLC data PDU, D/C a bit is 1, indicate that corresponding RLC PDU are a RLC control PDU。
CPT indicates the type of the RLC control PDU, for example, it is one that CPT values, which are 1 expression RLC control PDU, RLC state reports, CPT values are that 0 expression RLC control PDU are other types of RLC control PDU.
E1 indicates " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+RANGEend " or " ACK_SN+ Whether followed by another " NACK_SN_START+E2+RANGEstart+NACK_SN_END+E3+ after E1 " RANGEend " is combined.E1 values correspond to "No" when being 0, E1 values correspond to "Yes" when being 1.Wherein, the NACK_SN_START is table Show the SN of first RLC PDU in the unreceived multiple continuous RLC PDU of receiving terminal, the NACK_SN_END is to indicate The SN of the last one RLC PDU in the unreceived multiple continuous RLC PDU of receiving terminal
" RANGEstart " followed by whether E2 indicate after " NACK_SN_START ".E2 values correspond to "No", table when being 0 Bright first PDU is complete SDU；E2 values correspond to "Yes" when being 1, indicate that first PDU is RLC SDU segmentations.Wherein, described RANGEstart indicates that RLC SDU segmentations (RLC SDU segement) originate in the corresponding RLC SDU of NACK_SN_START Byte location of the first character section in the corresponding RLC SDU of NACK_SN_START in the segmentation of position, i.e. RLC SDU.
" RANGEend " followed by whether E3 indicate after " NACK_SN_END ".E3 values correspond to "No" when being 0, show most The latter PDU is complete SDU；E3 values correspond to "Yes" when being 1, indicate that the last one PDU is RLC SDU segmentations.Wherein, described RANGEend indicates RLC SDU segmentations rearmost position in the corresponding RLC SDU of NACK_SN_END, i.e. in RLC SDU segmentations Byte location of the last byte in the corresponding RLC SDU of NACK_SN_END.
ACK_SN indicates that before the SN, other than NACK_SN indicates the packet lost, other Bao Jun have been received. In another embodiment of the invention, ACK_SN is indicated before the SN, in addition to NACK_SN_START to corresponding NACK_SN_ END indicates except the packet continuously lost that other Bao Jun have been received.
Particularly, if " NACK_SN_START=NACK_SN_END ".Indicate the RLC PDU currently lost or segmentation only There are one.
Therefore, according to above-mentioned format, one shares 6 kinds of combinations, and may be combined by as a result showing by this 6 kinds, above-mentioned RLC states Reporting format can be indicated uniquely, as shown in table 4a.
Table 4a
Multiple structures are provided for the packet header present invention of RLC PDU, for example, being the embodiment of the present invention as shown in figure 23 A kind of structural schematic diagram in the packet header of RLC PDU.
Base station sends RRC signaling to base station and terminal device, indicates that respective RLC is arranged in the base station and terminal device The length of the length and the domain length (L) in domain grading excursion (segement offset, SO) of entity and MAC entity, the SO The offset of domain representation RLC SDU segmentations relative starting position in the corresponding RLC SDU of NACK_SN_START, the L domain representations The length of RLC PDU in MAC PDU.
Base station sends RRC signaling to base station and terminal device, and instruction one is about the domains L of MAC entity and the domains SO of RLC Length setting：MAC is understood as this setting the length in the domains L, and RLC entities are interpreted as this setting the length in the domains SO, So the equal length of the length in the domains L of MAC entity and the domains RLC entity SO.
The domains SO such as Figure 23, the packet header RLC are identical as the L length of field of MAC entity, do not have the domains F, the domains the domains the F instruction L Length.F2 is used to indicate the length in the domains L.
In receiving terminal, MAC entity removes the length that the domains RLC entity L are notified after the subheader of MAC PDU, also notes that The length in the domains SO of RLC entities.
In receiving terminal, MAC entity notifies the length in the domains RLC entity L, the length that RLC entities are notified by MAC entity later Obtain the length of SO.
As shown in figure 24, it is the structural schematic diagram in the packet header of another RLC PDU of another embodiment of the present invention.
In transmitting terminal, when needing segmentation, RLC entities indicate in the subheader that RLC PDU are segmented plus with MAC entity The identical domains F in the domains F in the domains L.Meanwhile being arranged to the length as the domains L of MAC entity for the domains SO of RLC entities.
As shown in Figure 24, the domains F in MAC subheaders are F=0, F2=1, when segmentation, the domains F in the subheader of RLC Value be arranged to such as MAC entity：F=0, F2=1.
In receiving terminal, RLC entities obtain the length in the domains SO by detecting the domains F in RLC subheaders.
As shown in figure 25, it is the structural schematic diagram in the packet header of another RLC PDU of another embodiment of the present invention.
In transmitting terminal, when needing segmentation, RLC entities decide the length in the domains SO in its sole discretion according to the RLC SDU length being segmented Degree.The specific method is as follows：First, after LCP, MAC entity, which tells the grant that some logic channel obtains, gives RLC realities Body；Later, RLC entities to the RLC SDU segmentations of the last one RLC PDU by matching the size of grant；Finally, RLC is real The value of SO after body is segmented, the size in the domains SO is obtained by the value of SO.First SO=32 in figure, it is only necessary to 6bit's SO length indicates；Second SO=1024, therefore the SO length of 11 bits is only needed to indicate.With two different F in figure Domain indicates the length of first and second SO, but is not limited only to such configuration：Can be a domain F, to indicate two The length in the domains kind SO；Can also be multiple F, to indicate the length in a variety of domains SO.
In receiving terminal, RLC entities obtain the length in the domains SO by detecting the domains F in RLC subheaders.
As shown in figure 26, it is another process schematic for configuring token bucket state of another embodiment of the present invention.
The state of the token bucket makes scheduling decision for MAC layer, determines that logical channel transmission how many data volume. Indicate that token quantity in token bucket, the token number amount indicate one and patrols by parameter Bj in the state-maintenance of the token bucket Whether the data for collecting channel obtain the transmission rate of pre-configuration, for example, indicating the data of current logic channel not when Bj is positive number The transmission rate being pre-configured is obtained, indicates that the transmission rate that the data of current logic channel obtain is more than to be pre-configured when Bj is negative Transmission rate.
Provide that the accumulated time granularity of Bj, the time granularity are the public affairs of all available Numerology/TTI length by agreement Approximate number, such as：Symbol lengths corresponding to 60KHz subcarrier spacings.
Base station be the terminal equipment configuration unit interval in Bj cumulative numbers, terminal device as unit of the time granularity, into Row Bj is accumulative
" Bj/ unit interval " is configured by base station, is matched for each terminal device, is configured by dedicated signaling.Wherein " unit interval " is that (terminal device can use two kinds of TTI length in figure for all available TTI length of the terminal device： TTI1 and TTI2) common divisor.
Optionally, " unit interval " can be the greatest common divisor of all available TTI length of the terminal device.Than Such as, terminal device can use two kinds of TTI length in figure：TTI1 and TTI2, unit interval can be the maximum of TTI1 and TTI2 Common divisor.
Optionally, " unit interval " can be the common divisor or greatest common divisor of all available TTI length in the cell. Such as in figure below, there are three types of TTI length for the cell：TTI1,TTI2,TTI3.But the terminal device has only used two kinds of TTI long Degree：TTI1,TTI2.At this point, " unit interval " refers to the common divisor or greatest common divisor of TTI1, TTI2, TTI3.
Optionally, " unit interval " can be given terminal device by base station configuration concurrency, such as base station is matched by RRC signaling It sets, " unit interval " can be allocated to one or more logic channels of a terminal device.Optionally, each logic channel is matched It sets independent " unit interval ".
Optionally, " unit interval " can be a chronomere as defined in agreement, all available TTI long in the cell Degree is all the integral multiple of this " unit interval ".Specifically, should " unit interval " can be all available of the terminal device Minimum symbol lengths in symbol lengths；Or the minimum symbol lengths supported in NR.
As shown in figure 27, it is a kind of process schematic of Bj state changes of another embodiment of the present invention.
Assuming that Bj increases by 20 in each unit interval, terminal device receives two parts of ascending resources in the same TTI：Uplink is awarded It weighs represented by ascending resource and the UL grant B represented by A (UL grant A) and UL grant B, wherein UL grant A Ascending resource not in the same time.Terminal device prepares the two TB since different time points：TB A and TB B.Eventually End equipment begins preparing for some specific TB at time point from which, just uses the time point corresponding Bj.
In figure, the Bj accumulated values of each chronomere are 20.When terminal device prepares transmission block (TB) A, it is assumed that Bj= 120, during generating TB A, Bj subtracts 60；When preparing TB B, it is assumed that Bj=80, during generating TB B, Bj subtracts 100 are gone, so, after generating TB B, Bj becomes 0.
The LCH has data transmission in TB A and TB B, so after two TB are generated, Bj subtracts.
As shown in figure 28, it is a kind of process schematic of Bj state changes of another embodiment of the present invention.
If base station is configured with the LCH and can only be mapped on TTI1, cannot be mapped on TTI2.Then terminal device is preparing When TB B, current LCH is not considered.It is also surplus after the data of other LCH are all put into if terminal device is when preparing TB B Complementary space can be put into the data of current LCH；Under other circumstances, the data of current LCH can also be put into, such as its Its LCH to be passed is background business, insensitive to time delay.Under the conditions of this, the Bj that terminal device safeguards the LCH is not Subtract.
Optionally, for terminal device when generating TB B, current LCH has been put into the data of 100Byte, can when Bj is calculated To be multiplied by a coefficient, such as Bj=Bj -100*ɑ.This ɑ coefficient can be allocated to terminal by dedicated RRC signaling by base station and set It is standby, it is that per LCH are configured, optionally, when ɑ is equal to 0, is equivalent to the case where Bj recited above does not subtract.Each LCH is used Different coefficients.Can also be that eat dishes without rice or wine format or TTI length (LCH-numerology/TTI) of each group of logic channel-matches one Coefficient.
As shown in figure 29, it is a kind of semi-persistent scheduling (Semi Persistent of another embodiment of the present invention Scheduling, SPS) resource and dynamic dispatching resource the schematic diagram coexisted.
If terminal device is there are certain business, data volume is constant, and periodically has data packet to need to transmit, such as VOIP industry Business.Base station can be that terminal device distributes semi-static scheduling resources SPS.SPS resource allocations can be ascending resource, under can also be Row resource.In data transmission procedure, terminal device may be carried out at the same time multiple business, if base station is thought in SPS resources institute At the time of, terminal device need specially defeated more data, will temporarily be terminal device distribute dynamic dispatching resource.In LTE, SPS resources are always located on Pcell, will not be located on other Scell.If terminal device is found in same subframe, The upper existing SPS ascending resources of Pcell, and have the ascending resource of dynamic dispatching, terminal device can ignore the uplink money of dynamic dispatching Source.As shown below, terminal device has SPS ascending resources in two sub-frame of uplink respectively, and where this part of resource of SPS 1 The same subframe, base station is that terminal device is assigned with a dynamic dispatching resource again, at this point, terminal device abandons SPS 1, at this The resource transmission data of dynamic dispatching are used only in a subframe.
In NR, terminal device may use the resource transmission data of a variety of numerology/TTI length simultaneously, different Numerology/TTI length correspond to different QoS of survice.At this point, if numerology/TTI corresponding to SPS resources Length corresponds to higher QoS, and the numerology/TTI length corresponding to dynamic dispatching resource corresponds to lower QoS, And terminal device still abandons the resource of SPS resources and use dynamic dispatching, can cannot be satisfied the need of the highest business of qos requirement It asks.So following change can be done to the behavior of terminal device：
Terminal device is decided in its sole discretion using SPS resources or dynamic dispatching resource.A kind of method of optimization is：Terminal device Judged according to the type of the data in current buffer.If the highest business datum of qos requirement in current buffer, cannot make With the resource transmission of dynamic dispatching, SPS resource transmissions can only be used, then terminal device, which determines, uses SPS resource transmissions, does not use The resource of dynamic dispatching.Another kind optimization method be：Terminal device is according to qos requirement highest in the data in current buffer The remaining time delay of data packet, determine use SPS resources or dynamic dispatching resource, for example, if terminal device discovery work as The preceding highest data packet of qos requirement, remaining time delay also have 20ms, and next time SPS resources (QoS can be met) be After 15ms, at this point, terminal device just determines to use dynamic dispatching resource, SPS resources are not used.
Base station configures the priority of different numerology/TTI length, if terminal device finds SPS resources and dynamic Scheduling resource have in time it is overlapping, then terminal device selection the higher numerology/TTI length of priority resource.Such as The priority of the numerology/TTI length of two parts of resources of fruit is identical, then the resource of terminal device selection dynamic dispatching.
Terminal device selects TTI length more according to the TTI length of ascending resource in SPS resources or dynamic dispatching resource Short resource abandons the longer resource of TTI length.If the TTI length of two parts of resources is identical, terminal device selection dynamic is adjusted The resource of degree carries out data transmission.
When the numerology/TTI length of SPS resources and dynamic dispatching resource under different conditions, specify that terminal is set Standby behavior selects a resource to carry out data transmission.
According to business datum QoS, the numerology/TTI length or resource of SPS resources and dynamic dispatching resource Priority, terminal device select portion to carry out data transmission in SPS resources and dynamic dispatching resource.
During realization, each step of the above method can by the integrated logic circuit of the hardware in processor or The instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present application, can be embodied directly in hardware processor Execute completion, or in processor hardware and software module combination execute completion.Software module can be located at random storage Device, flash memory, read-only memory, this fields such as programmable read only memory or electrically erasable programmable memory, register at In ripe storage medium.The storage medium is located at memory, and processor reads the information in memory, is completed in conjunction with its hardware The step of stating method.To avoid repeating, it is not detailed herein.Those of ordinary skill in the art may realize that in conjunction with this Each exemplary unit and algorithm steps of embodiment description disclosed in text, can be with electronic hardware or computer software Combination with electronic hardware is realized.These functions are implemented in hardware or software actually, depend on technical solution Specific application and design constraint.Professional technician can to each specific application come using distinct methods to realize The function of description, but this realization is it is not considered that exceed scope of the present application.
It should be understood that in each embodiment of the application, the serial number size of above-mentioned each process is not meant to execute sequence Priority, each process execution sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application Journey constitutes any restriction.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit is drawn Point, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for The mutual coupling, direct-coupling or communication connection of opinion can be the INDIRECT COUPLING by some interfaces, device or unit Or communication connection, can be electrical, machinery or other forms.
This may or may not be physically separated as the unit that separating component illustrates, be shown as unit Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple nets On network unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
If the function is realized in the form of SFU software functional unit and when sold or used as an independent product, Ke Yicun Storage is in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially right in other words The part of part or the technical solution that the prior art contributes can be expressed in the form of software products, the calculating Machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal Computer, server or network equipment etc.) execute all or part of step of each embodiment this method of the present invention.And it is preceding The storage medium stated includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory The various media that can store program code such as (RAM, Random Access Memory), magnetic disc or CD.
It is somebody's turn to do above, only the specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any ripe It knows those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, should all cover Within protection scope of the present invention.Therefore, the protection domain of the application should be subject to the scope of the claims.

Claims (24)

1. a kind of processing method of state report, which is characterized in that including：
Transmitting terminal generates MAC PDU, which includes one or more RLC PDU, wherein one or more RLC PDU's State report in packet header sends request and is set to activation；
The MAC PDU are sent to receiving terminal by transmitting terminal, in the packet header that at least one RLC PDU are parsed so as to the receiving terminal State report send request and be determined as the MAC PDU status reports when being set to activation.
2. the method for claim 1, wherein the method further includes：
State report in the packet header for one or more of RLC PDU that the rlc layer of transmitting terminal is sent to sends request and sets To activate, and the MAC layer that the RLC PDU asked are sent to the transmitting terminal is sent by the state report is carried.
3. the method for claim 1, wherein the method further includes：
The rlc layer determination of the transmitting terminal needs status report to send request, notifies the MAC layer of the transmitting terminal to next State report transmission request in the secondary packet header for needing one or more of RLC PDU in the MAC PDU sent is set to sharp It is living.
4. the method for claim 1, wherein the method further includes：
The rlc layer determination of the transmitting terminal needs status report to send request, notifies the MAC layer of the transmitting terminal from next It is secondary that one or more RLC PDU described in the MAC PDU sent is needed to select a RLC PDU and by the RLC PDU's of the selection Sequence number notifies the rlc layer of the transmitting terminal；
State report in the packet header of the corresponding RLC PDU of the sequence number is sent request and set by the rlc layer of the transmitting terminal For activation；
The RLC PDU that the rlc layer of the transmitting terminal will carry the state report transmission request are sent to the transmission The MAC layer at end.
5. the method as described in claim 2 or 4, wherein the method further includes：
The rlc layer of the transmitting terminal is sent to the hair in the RLC PDU that will carry the state report transmission request When the MAC layer of sending end, the counter for having sent RLC PDU quantity that the rlc layer of the transmitting terminal is preserved and The counter zero setting of RLC PDU data amounts is sent, rebooting status report sends request retransmission timer.
6. method as claimed in claim 3, wherein the method further includes：
Carrier state is reported that sending request sets by the rlc layer of the transmitting terminal in the MAC layer for knowing the transmitting terminal When being sent for the RLC PDU of activation, the meter for having sent RLC PDU quantity that the rlc layer of the transmitting terminal is preserved Number device and the counter zero setting for having sent RLC PDU data amounts, rebooting status report send request retransmission timer.
7. method as claimed in claim 6, wherein the method further includes：
Carrier state when being reported that sending request is set to the RLC PDU transmissions of activation by the MAC layer of the transmitting terminal, notice The rlc layer of the transmitting terminal, which has reported carrier state, sends the RLC PDU transmissions that request is set to activation.
8. such as the method for claim 3 or 4, wherein the method further includes：
The MAC layer of the transmitting terminal determines a radio bearer or corresponding an of logic channel in the MAC PDU It anticipates last in a radio bearer or the corresponding multiple RLC PDU of a logic channel in a RLC PDU or described MAC PDU Last in a radio bearer or the corresponding multiple RLC PDU of a logic channel in one RLC PDU or described MAC PDU The state report of a RLC PDU not being segmented sends request and is set to activation.
9. method as claimed in claim 7, wherein the method further includes：
Carrier state when being reported that sending request is set to the RLC PDU transmissions of activation by the MAC layer of the transmitting terminal, notice The sequence number SN of one RLC PDU of the rlc layer of the transmitting terminal, wherein the SN be state report send request be set to it is sharp The SN of RLC PDU living asks to be set to the MAC PDU belonging to the RLC PDU of activation alternatively, the SN is a state report transmission The SN or the SN of the last one interior RLC PDU is that a state report transmission request is set to belonging to the RLC PDU of activation The SN of any one RLC PDU in MAC PDU.
10. a kind of processing unit of state report, which is characterized in that including：
MAC entity, for generating MAC PDU, which includes one or more RLC PDU, wherein one or more RLC State report in the packet header of PDU sends request and is set to activation；
The MAC entity is additionally operable to the MAC PDU being sent to receiving terminal, so that the receiving terminal parses at least one RLC State report in the packet header of PDU, which is sent when request is set to activation, is determined as the MAC PDU status reports.
11. device as claimed in claim 10, wherein described device further includes：
RLC entities send request for the state report in the packet header for the one or more of RLC PDU being sent to and are set to Activation, and the RLC PDU that will carry the state report transmission request are sent to the MAC entity.
12. device as claimed in claim 10, wherein described device further includes：
RLC entities need status report to send request, notify the MAC entity to needing to send next time for determining MAC PDU in one or more of RLC PDU packet header in state report send request be set to activation.
13. device as claimed in claim 10, wherein described device further includes：
RLC entities need status report to send request, notify the MAC entity from needing to send next time for determining MAC PDU described in one or more RLC PDU select a RLC PDU and by the sequence number of the RLC PDU of the selection notify The RLC entities；
Wherein, the RLC entities are additionally operable to the state report in the packet header of the corresponding RLC PDU of the sequence number sending request It is set to activation, the RLC PDU that will carry the state report transmission request are sent to the MAC entity.
14. the device as described in claim 11 or 13, wherein the RLC entities are additionally operable to that the state report will be being carried It accuses when the RLC PDU of request being sent to be sent to the MAC entity, the transmission RLC PDU quantity that the RLC entities are preserved Counter and sent the counter zero setting of RLC PDU data amounts, rebooting status report sends request retransmission timer.
15. device as claimed in claim 12, wherein the RLC entities are additionally operable to knowing that the MAC entity will carry shape When state report sends the RLC PDU transmissions for asking to be set to activation, by the transmission RLC PDU quantity of RLC entities preservation Counter and sent the counter zero setting of RLC PDU data amounts, rebooting status report sends request retransmission timer.
16. such as the device of claim 15, wherein the MAC entity is additionally operable to reporting carrier state into that sending request is set to When the RLC PDU of activation are sent, notify the RLC entities that carrier state is reported to the RLC for sending request and being set to activation PDU is sent.
17. such as the device of claim 12 or 13, wherein the MAC entity be additionally operable to determine in the MAC PDU one it is wireless Carrying or any one corresponding RLC PDU or described MAC PDU of a logic channel in a radio bearer or a logic A radio bearer or a logic are believed in the last one RLC PDU or described MAC PDU in the corresponding multiple RLC PDU of channel The state report of the last one RLC PDU not being segmented sends request and is set to activation in the corresponding multiple RLC PDU in road.
18. such as the device of claim 16, wherein the MAC entity is additionally operable to reporting carrier state into that sending request is set to When the RLC PDU of activation are sent, the sequence number SN of one RLC PDU of the RLC entities is notified, wherein the SN is state report The SN that request is set to the RLC PDU of activation is sent, alternatively, the SN is the RLC that a state report sends that request is set to activation The SN or the SN of the last one RLC PDU in MAC PDU belonging to PDU is that a state report transmission request is set to activation RLC PDU belonging to MAC PDU in any one RLC PDU SN.
19. a kind of processing method of state report, which is characterized in that including：
Receiving terminal receives the MAC PDU that transmitting terminal is sent, which includes one or more RLC PDU, one of them Or the state report in the packet header of multiple RLC PDU sends request and is set to activation；
When the receiving terminal determines that the state report transmission request of at least one RLC PDU in the MAC PDU is set to activation, root Request, which is sent, according to the state report is set to state of activation generation state report；
The receiving terminal is to the transmitting terminal status report.
20. method as claimed in claim 19, wherein described sent according to the state report asks to be set to state of activation generation State report specifically includes：
The state that request is set to the last one RLC PDU that state of activation determines in the MAC PDU is sent according to the state report The state that report sends request is activation, and state report is generated according to the sequence number (SN) of the last one RLC PDU.
21. the method as described in claim 19 or 20, wherein a radio bearer or a logic letter in the MAC PDU A radio bearer or the corresponding multiple RLC of a logic channel in any one corresponding RLC PDU or described MAC PDU of road A radio bearer or the corresponding multiple RLC of a logic channel in the last one RLC PDU or described MAC PDU in PDU The state report for the RLC PDU that the last one in PDU is not segmented sends request and is set to activation.
22. a kind of processing unit of state report, which is characterized in that including：
Receiver, a MAC PDU for receiving transmitting terminal transmission, the MAC PDU include one or more RLC PDU, State report in the packet header of middle one or more RLC PDU sends request and is set to activation；
Processor, for when determine at least one RLC PDU in the MAC PDU state report send request be set to activation when, Request, which is sent, according to the state report is set to state of activation generation state report；
Transmitter, to the transmitting terminal status report.
23. device as claimed in claim 22, wherein the processor is used to be set to according to state report transmission request sharp State living generates state report and specifically includes：
The processor is set to state of activation for sending request according to the state report and determines last in the MAC PDU The state that the state report of a RLC PDU sends request is activation, and shape is generated according to the sequence number (SN) of the last one RLC PDU State is reported.
24. the device as described in claim 22 or 23, wherein a radio bearer or a logic letter in the MAC PDU A radio bearer or the corresponding multiple RLC of a logic channel in any one corresponding RLC PDU or described MAC PDU of road A radio bearer or the corresponding multiple RLC of a logic channel in the last one RLC PDU or described MAC PDU in PDU The state report for the RLC PDU that the last one in PDU is not segmented sends request and is set to activation.
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