CN109952773A - Using SDAP header processing AS/NAS reflection QOS and during ensuring to remap in 5G communication system, sequence transmits grouping - Google Patents

Abstract

In one aspect of the invention, a kind of device is provided.The device receives downlink data packet and determination server data stream associated with downlink data packet.The device extracts Non-Access Stratum (NAS) reflection QoS instruction (RQI) indicator from the downlink data packet, indicates that server data stream is mapped to QoS flow by UE.The device extracts service quality (QoS) flow identifier of mark QoS flow also from the downlink data packet.The device is not mapped to the determination of the QoS flow at the device in response to server data stream, generates and maps the first NAS that server data stream is mapped to QoS flow.The device is mapped also according to the first NAS, sends ul data packet associated with server data stream by QoS flow.

Description

Using SDAP header processing AS/NAS reflection QOS and ensure the weight in 5G communication system Sequentially transmission grouping during mapping

Cross reference to related applications

This application claims entitled " the reflection mapping in the processing mobile communication system " application numbers submitted on May 5th, 2017 U.S. Provisional Application, entitled the SDAP header of 5G QoS " design " application for submitting on August 11st, 2017 for 62/501,917 Number for 62/544,107 U.S. Provisional Application, entitled the RQI of 5G QoS " processing " submitted on September 28th, 2017 application No. is 62/564,383 U.S. Provisional Application, submit on September 28th, 2017 it is entitled " 5G QoS remap during ensure in order The SDAP header of transmission designs " application No. is 62/564,388 U.S. Provisional Application, on September 29th, 2017 submit it is entitled " the SDAP header design for ensuring to transmit in order during 5G QoS is remapped " application No. is 62/565,232 U.S. is interim Application No. is 62/565,234 U.S. is interim by application and entitled " RQI of processing 5Q QoS " submitted on September 29th, 2017 The equity of application, entire contents are incorporated by reference into the present invention.

Technical field

The present invention relates generally to mobile communication system, utilize service data self-adapted protocol more particularly, to support (Service Data Adaptation Protocol, SDAP) header handles application service (Application Service, AS)/Non-Access Stratum (Non-Access Stratum, NAS) reflection service quality (Quality of Service QoS user equipment (user equipment, UE)), and be grouped and pass in order during ensuring to remap in 5G communication system Send (delivery).

Background technique

Statement in this section only provides background information related to the present invention, and does not constitute the prior art.

Widespread deployment wireless communication system to provide various telecommunications service, such as phone, video, data, messaging and Broadcast.Typical wireless communication system can be using can support to communicate with multiple users by shared free system resources Multiple access technology.The example of this multiple access technology includes CDMA (code division multiple access, CDMA) system System, time division multiple acess (time division multiple access, TDMA) system, frequency division multiple access (frequency Division multiple access, FDMA) system, orthogonal frequency division multiple access (orthogonal frequency division Multiple access OFDMA) system, single-carrier frequency division multiple access (single-carrier frequency division Multiple access, SC-FDMA) system and TD SDMA (time division synchronous code Division multiple access, TD-SCDMA) system.

These multiple access technologies are used in various telecommunication standards, to provide different wireless devices are existed The puppy parc that the even global rank in municipal administration, country, region is communicated.The example of telecommunication standard is the new radio (New of 5G Radio, NR).5G NR be third generation affiliate it is predetermined (Third Generation Partnership Project, 3GPP) issue the evolution of continuous moving broadband a part, with meet and postpone, reliability, safety, scalability (for example, Internet of Things (Internet of Things, IoT)) and other require relevant new demand.The some aspects of 5G NR can be based on 4G long term evolution (Long Term Evolution, LTE) standard.Require further improvement 5G NR technology.These improvement can also Suitable for other multiple access technologies and using the telecommunication standard of these technologies.

Summary of the invention

The brief overview of one or more aspects presented below, in order to provide to the basic comprehension in terms of these.The general introduction It is not the extensive overview ot to all contemplated aspects, and is neither intended to that mark is in all aspects crucial or important element, not purport yet Range in terms of describing any or all.Its sole purpose is some general of presentation one or more aspects in simplified form It reads, as the preamble in greater detail presented later.

In one aspect of the invention, it provides a method, computer-readable medium and device.The device can be use Family equipment (User Equipment, UE).UE reception downlink data packet and determination and the downlink data packet Associated server data stream.The UE extracts NAS reflection QoS instruction (Reflective from the downlink data packet QoS Indication, RQI) indicator, indicate that server data stream is mapped to QoS flow by UE.The UE is also from the downlink The QoS flow identifier of mark QoS flow is extracted in data grouping.The UE is not mapped to the QoS at the UE in response to server data stream The determination of stream generates and maps the first NAS that server data stream is mapped to QoS flow.The UE is mapped also according to the first NAS, is passed through QoS flow sends ul data packet associated with server data stream.

In order to realize aforementioned and related purpose, one or more aspects, which are included in, to be hereinafter fully described and in claim In the feature that particularly points out.The following description and drawings illustrate certain illustrative aspects of one or more aspects.However, These features only indicate can using various aspects principle various modes in it is some, and the description be intended to include it is all These aspects and its equivalent.

Detailed description of the invention

Fig. 1 is the exemplary diagram for showing wireless communication system and accessing network.

Fig. 2A, 2B, 2C and 2D are to show DL frame structure, the DL channel in DL frame structure, UL frame structure and UL frame knot respectively The exemplary diagram of UL channel in structure.

Fig. 3 is the figure for showing base station within the access network and UE communication.

Fig. 4 shows the example logical architecture of distributed access network.

Fig. 5 shows the exemplary physical framework of distributed access network.

Fig. 6 is the exemplary diagram for showing the subframe centered on DL.

Fig. 7 is the exemplary diagram for showing the subframe centered on UL.

Fig. 8 shows the protocol stack for the 5G communication system based on QoS flow.

Fig. 9 A and 9B show the mapping of the QoS flow of downlink and uplink IP traffic.

Figure 10 shows IP and flows to the NAS grade mapping of QoS flow and the AS grade mapping of QoS flow to Deta bearer.

Figure 11 is the sequence chart for illustrating NAS reflection qos feature.

Figure 12 is the sequence chart for illustrating AS reflection qos feature.

Figure 13 is the exemplary diagram for showing the SDAP header that can be used for enabled NAS/AS reflection qos feature.

Figure 14 A-14B is the figure for showing utilization and the processing of the example SDAP header for enabled reflection QoS flow mapping.

Figure 15 A-15B, 16 and 17 are to show to guarantee the suitable of grouping using example SDAP header during QoS flow reorientation The figure of sequence transmission.

Figure 18 A-18B is the SDAP header for showing the sequence transmission that can be used for guaranteeing grouping during QoS flow relocates Exemplary diagram.

Figure 19 be for enable IP flow to QoS flow NAS grade mapping method (process) flow chart 1900.

Figure 20 is the flow chart 2000 for enabling the method (process) that QoS flow is mapped to the AS grade of Deta bearer.

Figure 21 A-21B be respectively executed by UE with guarantee during QoS flow relocates grouping sequence transmission method (into Journey) flow chart 2100 and 2120.

Figure 22 A-22C is executed by base station in the method for the sequence transmission for guaranteeing grouping during QoS flow relocates respectively The flow chart 2200,2220 and 2230 of (process).

Figure 23 is the conceptual data flow graph of the data flow between the different members/means shown in exemplary means.

Figure 24 is the hard-wired exemplary diagram for showing the device using processing system.

Specific embodiment

The following detailed description of the drawings is intended as the description of various configurations, and is not intended to indicate that this hair can be practiced Bright described concept only configures.Detailed description includes for providing the detail of the thorough understanding to each conception of species. It is apparent, however, to one skilled in the art, that it is general to practice these without these specific details It reads.In some instances, to avoid fuzzy concept, well known structure and component are shown in block diagram form.

Several aspects of telecommunication system are presented referring now to various device and method.These device and method will be following It is described in detailed description, and " element (is referred to as by various frames, component, circuit, process, algorithm etc. in the accompanying drawings (element) ") illustrate.Electronic hardware, computer software or any combination thereof can be used to realize these elements.By this A little elements are embodied as hardware or software depends on specific application and forces at the design constraint of whole system.

For example, any combination of any part or element of element or element can be implemented as including one or more " processing system " of processor.The example of processor includes microprocessor, microcontroller, graphics processing unit (graphics Processing unit, GPU), central processing unit (central processing unit, CPU), application processor, number Word signal processor (digital signal processor, DSP), reduced instruction set computing (reduced instruction Set computing, RISC) processor, system on chip (systems on a chip, SoC), baseband processor, scene can compile Journey gate array (field programmable gate array, FPGA), programmable logic device (programmable Logic device, PLD), state machine, gate control logic, discrete hardware circuit and be configured to execute and described through the present invention Other appropriate hardwares of various functions.One or more processors in processing system can execute software.Software should be broadly It is construed to instruction, instruction set, code, code segment, program code, program, subprogram, component software, application program, software application Program, software package, routine, subroutine, object, executable file, execution thread, process, function etc., either referred to as software, Firmware, middleware, microcode, hardware description language or other.

Therefore, in one or more example embodiments, described function can use hardware, software or any combination thereof To realize.If implemented in software, can may be stored on the computer-readable medium or be encoded to computer for function can Read one or more instructions or the code on medium.Computer-readable medium includes computer storage medium.Storage medium can be with It is the accessible any usable medium of computer.As an example, not a limit, this computer-readable medium may include random Access memory (random-access memory, RAM), read-only memory (read-only memory, ROM), electrically erasable Except programming ROM (electrically erasable programmable ROM, EEPROM), disc memory, disk are deposited Reservoir, other magnetic storage apparatus, aforementioned type computer-readable medium combination, or can be used for computer-accessible finger Any other medium of the form of order or data structure storage computer-executable code.

Fig. 1 is the exemplary diagram for showing wireless communication system and accessing network 100.Wireless communication system is (also referred to as wireless wide Domain net (wireless wide area network, WWAN)) it include base station 102, UE 104 and evolution block core (Evolved Packet Core, EPC) 160.Base station 102 may include macrocell (high power cellular base station) and/or cell (low-power cellular base station).Macrocell includes base station.Cell includes Femto cell, picocell and Microcell.

Base station 102 (is referred to as evolved universal mobile communication system (Universal Mobile Telecommunications System, UMTS) terrestrial radio access network network (Evolved UMTS Terrestrial Radio Access Network, E-UTRAN)) pass through backhaul link 132 (for example, S1 interface) and 160 interface of EPC.In addition to Except other function, one or more of following functions are can also be performed in base station 102: the transmission of user data, aerogram Road encryption and decryption, integrity protection, header-compressed, mobility control function (for example, switching, dual link), area interference association It adjusts, connection is established and release, load balancing, Non-Access Stratum (non-access stratum, NAS) message distribution, the choosing of NAS node It selects, synchronize, Radio Access Network (radio access network, RAN) is shared, multicast broadcast multimedia service (multimedia broadcast multicast service, MBMS), user and equipment tracking, RAN information management (RAN Information management, RIM), paging, positioning and alert message transmitting.Base station 102 can pass through backhaul link 134 (for example, X2 interface) (for example, passing through EPC 160) communication directly or indirectly to one another.Backhaul link 134 can be wired Or it is wireless.

Base station 102 can be wirelessly communicated with multiple UE 104.Each base station 102 can be corresponding geographical coverage area 110 provide communication overlay.There may be the geographical coverage areas 110 of overlapping.For example, cell 102' can have overlay area 110' covers the overlay area 110 of one or more macro base stations 102.Network including cell and macrocell can be claimed For heterogeneous network.Heterogeneous network can also include family's evolution node B (Home Evolved Node B, HeNB), can be to Referred to as limited group of offer service of closed subscriber group (closed subscriber group, CSG).Base station 102 and multiple UE Communication link 120 between 104 may include that the uplink (uplink, UL) from UE 104 to base station 102 is (also referred to as reversed Link) transmission and/or from base station 102 to UE 104 downlink (downlink, DL) (also referred to as forward link) transmission.It is logical Multi input and multi output (multiple-input and multiple-output, MIMO) antenna can be used in letter link 120 Technology, including spatial reuse, beam forming and/or transmitting diversity.Communication link can pass through one or more carrier waves.Base station The every carrier wave Y MHz distributed in the carrier wave polymerization of at most in total Yx MHz (x component carrier) can be used in 102/UE 104 The frequency spectrum of (for example, 5,10,15,20,100MHz) bandwidth in each direction to transmit.Carrier wave can adjacent to each other or not phase It is adjacent.The distribution of carrier wave can be asymmetric (for example, can be the more or fewer carrier waves of DL distribution ratio UL) about DL and UL. Component carrier may include principal component carrier wave and one or more auxiliary component carriers.Principal component carrier wave can be referred to as main plot (primary cell, PCell), and auxiliary component carrier can be referred to as secondary cell (secondary cell, SCell).

Wireless communication system can also include communication link 154 and the Wi-Fi station exempted from licensed spectrum by 5GHz The Wi-Fi access point (access point, AP) 150 that (station, STA) 152 is communicated.When being led in unlicensed spectrum When letter, STA 152/AP 150 can execute before a communication clear channel assessment (CCA) (clear channel assessment, CCA), to determine whether channel can be used.

Cell 102' can be operated in license and/or unlicensed spectrum.It is slight when being operated in unlicensed spectrum NR can be used and use and identical 5GHz unlicensed spectrum used in Wi-Fi AP 150 in area 102'.In unlicensed frequency Cell 102' in spectrum using NR can increase the coverage area of access network and/or increase the capacity of access network.

GNodeB (gNB) 180 can be with millimeter wave (millimeter wave, mmW) frequency when communicating with UE 104 And/or it is operated close to the frequency of mmW.When frequency operation of the gNB180 with mmW or nearly (near) mmW, gNB180 can be referred to as For the base station mmW.Extremely high frequency (Extremely high frequency, EHF) is a part of RF in electromagnetic spectrum.EHF's Range is 30GHz to 300GHz, and wave-length coverage is 1 millimeter to 10 millimeters.Radio wave in frequency band is properly termed as millimeter wave.Closely MmW can extend downwardly into the frequency of 3GHz, and wavelength is 100 millimeters.Hyperfrequency (super high frequency, SHF) frequency Band extends between 3GHz and 30GHz, also referred to as centimeter wave.There is high road using the communication of the nearly mmW radio frequency band of mmW/ Diameter loss and short distance.The base station mmW 180 can use the beam forming 184 of UE 104 to compensate high path loss and short Distance.

EPC 160 may include mobility management entity (Mobility Management Entity, MME) 162, other MME 164, gateway 166, MBMS gateway 168, broadcast/multicast service center (Broadcast Multicast Service Center, BM-SC) 170 and packet data network (Packet Data Network, PDN) gateway 172.MME 162 can be with It is communicated with home subscriber servers (Home Subscriber Server, HSS) 174.MME 162 is processing UE 104 and EPC The control node of signaling between 160.In general, MME 162 provides carrying and connection management.All user's Internet Protocols (Internet protocol, IP) grouping is transmitted by gateway 166, and gateway 166 is connected to PDN Gateway in itself 172.PDN Gateway 172 provides the distribution of UE IP address and other function.PDN Gateway 172 and BM-SC 170 are connected to IP service 176.IP service 176 may include internet, Intranet, IP multimedia subsystem (IP Multimedia Subsystem, IMS), PS stream service (PS Streaming Service, PSS) and/or other IP service.BM-SC 170 can be provided and is used for The function of MBMS user service supply and delivering.BM-SC 170 may be used as content supplier's MBMS transmission entrance, can be with For the authorization in public land mobile network (public land mobile network, PLMN) and initiate MBMS carrying clothes Business, and can be used for dispatching MBMS transmission.MBMS gateway 168, which can be used for for MBMS business being distributed to, belongs to the specific clothes of broadcast Region Multicast Broadcast Single Frequency Network (Multicast Broadcast Single Frequency Network, MBSFN) of business Base station 102, and session management (beginning/stopping) and the relevant pay imformation for collecting eMBMS can be responsible for.

Base station can also be known as gNB, node B, evolution node B, access point, base transceiver station, wireless base station, wireless receipts Send out device, transceiver function, basic service set (basic service set, BSS), extended service set (extended service Set, ESS) or some other suitable terms.Base station 102 is that UE 104 provides the access point of EPC 160.UE's 104 shows Example includes cellular phone, smart phone, Session initiation Protocol (session initiation protocol, SIP) phone, knee Laptop, personal digital assistant (personal digital assistant, PDA), satellite broadcasting, global positioning system, Multimedia equipment, video equipment, digital audio-frequency player (for example, MP3 player), camera, game machine, tablet computer, intelligence Equipment, wearable device, vehicle, ammeter, air pump, bread baker or any other similar functional device.Some UE 104 can To be referred to as IoT equipment (for example, parking meter, air pump, bread baker, vehicle etc.).UE 104 is also referred to as station, moves Dynamic station, subscriber station, mobile unit, subscriber unit, radio-cell, remote unit, mobile device, wireless device, wireless communication are set Standby, remote equipment, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, mobile phone, user agent, movement Client, client or some other suitable terms.

Fig. 2A is the exemplary diagram 200 for showing DL frame structure.Fig. 2 B is the exemplary diagram 230 for showing the channel in DL frame structure. Fig. 2 C is the exemplary diagram 250 for showing UL frame structure.Fig. 2 D is the exemplary diagram 280 for showing the channel in UL frame structure.Other are wireless The communication technology can have different frame structures and/or different channels.Frame (10ms) can be divided into 10 it is equal in magnitude Subframe.Each subframe may include two continuous time slots.Resource grid can be used to indicate that two time slots, each time slot packet Include one or more time concurrent resource blocks (resource block, RB) (also referred to as physics RB (physical RBs, PRB)).Resource grid is divided into multiple resource elements (resource element, RE).For normal cyclic prefix, RB is in frequency domain In include 12 continuous subcarriers, and (be in the time domain OFDM symbol for DL comprising 7 continuous symbols；For UL, it is SC-FDMA symbol), 84 RE in total.For extended cyclic prefix, RB includes 12 continuous subcarriers in a frequency domain, in time domain In include 6 continuous symbols, in total 72 RE.The bit number of each RE carrying depends on modulation scheme.

As shown in Figure 2 A, some RE carry DL with reference to (pilot tone) signal (DL reference signal, DL-RS) with For the channel estimation at UE.DL-RS may include cell specific reference signal (cell-specific reference Signal, CRS) (otherwise referred to as public RS), UE specific reference signals (UE-specific reference signal, UE- ) and channel state information reference signals (channel state information reference signal, CSI-RS) RS. Fig. 2A shows the CRS for antenna port 0,1,2 and 3 (being expressed as R0, R1, R2 and R3), for antenna port 5 UE-RS (is expressed as R5), and for the CSI-RS (being expressed as R) of antenna port 15.Fig. 2 B is shown in the DL subframe of frame The example of various channels.Physical control format indicator channel (physical control format indicator Channel, PCFICH) in the symbol 0 of time slot 0, and carry instruction physical downlink control channel (physical Downlink control channel, PDCCH) whether occupy the control format indicator (control of 1,2 or 3 symbol Format indicator, CFI) (Fig. 2 B shows the PDCCH for occupying 3 symbols).PDCCH is in one or more control channel members Down link control information (downlink control is carried in plain (control channel element, CCE) Information, DCI), each CCE includes nine RE groups (RE group, REG), and each REG includes four in OFDM symbol A continuous RE.UE can be configured with the specific enhancing PDCCH of UE (enhanced PDCCH, ePDCCH) for also carrying DCI.ePDCCH 2,4 or 8 RB be can have to (Fig. 2 B shows two RB pairs, each subset include a RB to).Physical mixed weighs automatically Pass request (physical hybrid automatic repeat request, HARQ) indicator channel (physical HARQ Indicator channel, PHICH) also in the symbol 0 of time slot 0, and carry instruction and believed based on physical uplink link sharing On road (physical uplink shared channel, PUSCH) the HARQ confirmation (acknowledgement, ACK)/negative ACK (negative ACK, NACK) feedback HARQ indicator (HARQ indicator, HI).Primary synchronization channel (primary synchronization channel, PSCH) can be in the symbol 6 of the time slot 0 in the subframe 0 and 5 of frame. PSCH carries primary synchronization signal (primary synchronization signal, PSS), and UE is come true using the primary synchronization signal Stator frame/Symbol Timing and physical layer identifications.Auxiliary synchronization channel (secondary synchronization channel, It SSCH) can be in the symbol 5 of the time slot 0 in the subframe 0 and 5 of frame.SSCH carries auxiliary synchronous signal (secondary Synchronization signal, SSS), by UE for determining physical-layer cell identifier group # and radio frame timing. Based on physical layer identifications and physical-layer cell identifier group #, UE can determine physical cell identifier (physical cell Identifier, PCI).Based on PCI, UE can determine the position of above-mentioned DL-RS.Carry Master Information Block (master Information block, MIB) Physical Broadcast Channel (physical broadcast channel, PBCH) can be with PSCH and SSCH logic groups, to form synchronization signal (synchronization signal, SS) block.MIB is in DL system band Multiple RB are provided in wide, PHICH configuration and System Frame Number (system frame numbe, SFN).The shared letter of physical down link The broadcast system that road (physical downlink shared channel, PDSCH) carries user data, do not sent by PBCH It unites information (such as system information block (system information block, SIB) and paging message).

As shown in FIG. 2 C, some RE carry the demodulated reference signal of the channel estimation for base station (demodulation reference signal, DM-RS).UE can also send detection in the last symbol of subframe Reference signal (sounding reference signal, SRS).SRS can have pectinate texture, and UE can be wherein SRS is sent in one pectinate texture.SRS can be used for channel quality estimation by base station, to realize the tune of frequency dependence on UL Degree.Fig. 2 D shows the example of the various channels in the UL subframe of frame.Physical Random Access Channel (physical random Access channel, PRACH) it can be based on PRACH configuration in one or more subframes in frame.PRACH may include Six in subframe are RB pairs continuous.PRACH allows UE execution initial system to access and realizes that UL is synchronous.The control of physical uplink link Channel (physical uplink control channel, PUCCH) can be located on the edge of UL system bandwidth.PUCCH is held It carries uplink control information (uplink control information, UCI), such as scheduling request, channel quality indicate Accord with (channel quality indicator, CQI), precoding matrix indicators (precoding matrix Indicator, PMI), order designator (rank indicator, RI) and HARQ ACK/NACK feedback.PUSCH carries data, And it can be also used for carrying buffer state reports (buffer status report, BSR), power headroom reporting (PHR) (power Headroom report, PHR) and/or UCI.

Fig. 3 is the block diagram that base station 310 is communicated with UE 350 within the access network.It, can will be from EPC's 160 in DL IP grouping is supplied to controller/processor 375.Controller/processor 375 realizes layer 3 and 2 function of layer.Layer 3 includes that radio provides Source controls (radio resource control, RRC) layer, and layer 2 includes packet data convergence protocol (packet data Convergence protocol, PDCP) layer, radio link control (radio link control, RLC) layer and medium visit Ask control (medium access control, MAC) layer.Controller/processor 375 provide rrc layer function, PDCP layer function, Rlc layer function and MAC layer function；Wherein, the broadcast, RRC connection of rrc layer function and system information (for example, MIB, SIB) are controlled System (for example, RRC connection paging, RRC connection are established, RRC connection is modified and RRC Connection Release), radio access technologies The measuring configuration of (radio access technology, RAT) mobility and UE measurement report is associated；PDCP layer function with Header compress contracting, safety (encryption, decryption, integrity protection, integrity verification) and switching support that function is associated； The transmission of rlc layer function and upper-layer packet data units (packet data unit, PDU) are serviced by the error correction of ARQ, RLC Cascade, Segmentation and Reassembly and the rearrangement of RLC data PDU of data cell (service data units, SDU) are associated； Mapping, MAC SDU to transmission block (transport block, TB) between MAC layer function and logic channel and transmission channel Multiplexing, MAC SDU from TB demultiplexing, scheduling information report, pass through the error correction of HARQ and priority processing and logic Channel priority sequence is associated.

Emit (transmit, TX) processor 316 and receives at the realization of (receive, RX) processor 370 and various signals Manage associated 1 function of layer of function.Layer 1 including physics (physical, PHY) layer may include the mistake inspection on transmission channel It surveys, forward error correction (forward error correction, FEC) coding/decoding of transmission channel, intertexture, rate-matched, object Manage the mapping on channel, modulating/demodulating and the mimo antenna processing of physical channel.TX processor 316 is based on various modulation schemes (for example, binary phase shift keying (binary phase-shift keying, BPSK), quadrature phase shift keying (quadrature Phase-shift keying, QPSK), M phase-shift keying (PSK) (M-phase-shift keying, M-PSK), M quadrature amplitude modulation (M-quadrature amplitude modulation, M-QAM)) handle the mapping for arriving signal constellation (in digital modulation).Then it can will encode It is divided into parallel stream with modulation symbol.Then each stream can be mapped to OFDM subcarrier, in the time and/or frequency domain with reference Signal (for example, pilot tone) multiplexing, then using fast Fourier inverse transformation (Inverse Fast Fourier Transform, IFFT) it is combined the physical channel together to generate carrying time-domain OFDM symbol stream.OFDM is flowed and carries out spatial pre-coding To generate multiple spatial flows.The channel estimation for carrying out channel estimator 374 can be used for determining coding and modulation scheme, and be used for Spatial manipulation.Channel estimation can be exported from the reference signal sent of UE 350 and/or channel condition feedback.It then can be via Each spatial flow is supplied to different antennas 320 by the TX of individual transmitter 318.The TX of each transmitter 318 can use phase The spatial flow modulation RF carrier wave answered is to be transmitted.

At UE 350, each receiver 354RX receives signal by its corresponding antenna 352.Each receiver 354RX Restore the information being modulated in RF carrier wave and provides this information to RX processor 356.TX processor 368 and RX processor 356 Realize 1 function of layer associated with various signal processing functions.RX processor 356 can execute spatial manipulation to information to restore Go to any spatial flow of UE 350.If multiple spatial flows go to UE 350, they can be combined by RX processor 356 Single OFDM symbol stream.Then, RX processor 356 uses Fast Fourier Transform (FFT) (Fast Fourier Transform, FFT) OFDM symbol stream is transformed into frequency domain from time domain.Frequency-region signal includes the individual OFDM of each subcarrier for ofdm signal Symbol stream.Restore and demodulate the symbol on each subcarrier by the most probable signal constellation point that base station 310 is sent by determination Number and reference signal.The channel estimation that these soft-decisions can be calculated based on channel estimator 358.Soft-decision then by decoding and It deinterleaves to restore the data initially sent on the physical channel by base station 310 and control signal.Then data and control are believed It number is supplied to controller/processor 359, controller/processor 359 realizes layer 3 and 2 function of layer.

Controller/processor 359 can be associated with the memory 360 of storage program code and data.Memory 360 can With referred to as computer-readable medium.In UL, controller/processor 359 provides the demultiplexing transmitted between logic channel, divides Group recombination, decryption, header decompression and control signal processing, to restore IP grouping from EPC 160.Controller/processor 359 is also It is responsible for the error detection using ACK and/or NACK agreement to support HARQ operation.

Similar to combining the DL of base station 310 to transmit described function, controller/processor 359 provides and system information (for example, MIB, SIB) acquisition, RRC connection and the associated rrc layer function of measurement report；It contracts and pacifies with header compress The relevant PDCP layer function of full property (encryption, decryption, integrity protection, integrity verification)；Transmission with upper layer PDU passes through ARQ Error correction, RLC SDU cascade, Segmentation and Reassembly, RLC data PDU again segmentation and RLC data PDU rearrangement Associated rlc layer function；The multiplexing of mapping, MAC SDU to TB between logic channel and transmission channel, from TB's The demultiplexing of MAC SDU, scheduling information report, sorted phase by the error correction of HARQ, priority processing and priority of logical channels Associated MAC layer function.

As channel estimator 358, channel estimation can be by TX derived from reference signal or the feedback sent by base station 310 Processor 368 promotes spatial manipulation using to select coding appropriate and modulation scheme.The sky generated by TX processor 368 Between stream different antennas 352 can be supplied to via individual transmitter 354TX.Each transmitter 354TX can be with accordingly Spatial flow modulates RF carrier wave to be transmitted.To be similar to described by the receiver function combined at UE 350 at base station 310 Mode handle UL transmission.Each receiver 318RX receives signal by its corresponding antenna 320.Each receiver 318RX is extensive Information in multiple modulation to RF carrier wave, and provide this information to RX processor 370.

Controller/processor 375 can be associated with the memory 376 of storage program code and data.Memory 376 can With referred to as computer-readable medium.In UL, controller/processor 375 provides the demultiplexing transmitted between logic channel, divides Group recombination, decryption, header decompression, control signal processing are to restore IP grouping from UE 350.From controller/processor 375 IP grouping can be provided to EPC 160.Controller/processor 375 is also responsible for carrying out using ACK and/or NACK agreement wrong Error detection is to support HARQ operation.

NR, which can refer to, to be configured as according to new air interface (for example, other than based on OFDMA air interface) or solid Transport layer (for example, in addition to IP) is determined to operate.NR can be on the uplink and downlink using with cyclic prefix The OFDM of (cyclic prefix, CP), and may include using time division duplex (time division duplexing, TDD either-way operation) is supported.NR may include the enhanced mobile broadband for wide bandwidth (for example, more than 80MHz) (Enhanced Mobile Broadband, eMBB) service, is directed to non-post at the mmW for being directed to high carrier frequency (such as 60GHz) (ultra- is communicated to the extensive MTC (massive MTC, mMTC) of compatible MTC technology, and/or for super reliable low latency Reliable low latency communication, URLLC) service key task.

It can support the simple component carrier bandwidths of 100MHz.In one example, NR RB can exist across 12 subcarriers With the subcarrier bandwidth of 75kHz in the 0.1ms duration, or with the bandwidth of 15kHz within the 1ms duration.Each Radio frame can be made of 10 or 50 subframes, length 10ms.Each subframe can have the length of 0.2ms.Every height Frame can indicate the link direction (that is, DL or UL) transmitted for data, and can dynamically switch the link of each subframe Direction.Each subframe may include DL/UL data and DL/UL control data.UL and DL subframe for NR can be as following It is more fully described with reference to Fig. 6 and Fig. 7.

It can support beam forming and can dynamically configure beam direction.It can also support the MIMO with precoding Transmission.MIMO configuration in DL can support the multilayer DL transmission for having up to 2 stream with up to 8 streams and each UE Up to 8 transmitting antennas.It can support each UE that there is the multilayer transmission of up to 2 stream.Up to 8 serving cells can be supported The polymerization of multiple cells.Alternatively, NR can support the different air interfaces in addition to the interface based on OFDM.

NR RAN may include central location (central unit, CU) and distributed unit (distributed unit, DU).NR BS (for example, gNB, 5G node B, node B, transmission receiving point (transmission reception point, TRP), access point (access point, AP)) it can correspond to one or more BS.NR cell is configurable to access cell (access cell, ACell) or only Data Units (data only cell, DCell).For example, RAN is (for example, central location Or distributed unit) cell can be configured.DCell can be the cell for carrier wave polymerization or dual link, and can not have to In initial access, cell selection/reselection or switching.DCell may not send synchronization signal in some cases (synchronization signal, SS), DCell can send SS in some cases.NR BS can be to indicating cell class The UE of type sends down link signal.It is indicated based on cell type, UE can be communicated with NR BS.For example, UE can be based on meaning The cell type shown will consider to determine for cell selection, access, switching and/or the NR BS measured.

Fig. 4 shows the example logical architecture 400 of distributed RAN according to aspects of the present invention.5G access node 406 can To include access node controller (access node controller, ANC) 402.ANC can be distributed RAN's 400 CU.Backhaul interface to next-generation core network (generation core network, NG-CN) 404 can be at ANC eventually Only.Backhaul interface to adjacent next-generation access node (next generation access node, NG-AN) can be in ANC Place terminates.ANC may include that (it is referred to as BS, NR BS, node B, 5G NB, AP or some to one or more TRP 408 Other terms).As described above, TRP can be used interchangeably with " cell ".

TRP 408 can be distributed unit (distributed unit, DU).TRP may be coupled to an ANC (ANC Or more than one ANC (not shown) 402).For example, radio conduct service shared for RAN (radio as a service, RaaS) and the specific AND deployment of service, TRP may be coupled to multiple ANC.TRP may include one or more antenna ports. TRP can be configured as independent (for example, dynamic select) or joint (for example, joint transmission) and provide business to UE.

The local framework of distributed RAN 400 can be used for illustrating that backhaul (fronthaul) is defined.Framework can be defined to prop up Hold the backhaul solution across different deployment types.For example, the framework can be based on transmission network ability (for example, bandwidth, waiting Time and/or shake).The framework can be with LTE sharing feature and/or component.According to various aspects, NG-AN 410 can be supported With the dual link of NR.NG-AN can share the common backhaul for LTE and NR.

The cooperation between TRP 408 may be implemented in the framework.For example, in TRP and/or can be crossed over via ANC 402 The default cooperation of TRP.According to various aspects, it may not be necessary to/there are TRP interfaces.

According to various aspects, the dynamic configuration for separating logic function be can reside in the framework of distributed RAN 400. PDCP, RLC, MAC protocol can adaptedly be placed on ANC or TRP.

Fig. 5 shows the exemplary physical framework of distributed RAN 500 according to aspects of the present invention.Centralized core network Unit (centralized core network unit, C-CU) 502 can be with trustship core network function.Deployment can be concentrated C-CU.C-CU function (for example, arriving Advanced Wireless Services (advanced wireless service, AWS)) can be unloaded, with Make great efforts processing peaking capacity.Centralized RAN unit (centralized RAN unit, C-RU) 504 can be one or more with trustship A ANC function.Optionally, C-RU can be in local trustship core network function.C-RU may have distributed deployment.C-RU can With closer to network edge.DU 506 can be with trustship one or more TRP.DU, which can be located at, has radio frequency (radio Frequency, RF) function network edge.

Fig. 6 is the exemplary diagram 600 for showing the subframe centered on DL.The center DL subframe may include control section 602.Control Part 602 processed can reside in the initial or beginning of the center DL subframe.Control section 602 may include and center in DL The corresponding various scheduling informations of the various pieces of frame and/or control information.In some configurations, control section 602 can be PDCCH, as shown in Figure 6.The center DL subframe can also include DL data portion 604.DL data portion 604 can be claimed sometimes For the payload of the center DL subframe.DL data portion 604 may include for by DL data from scheduling entity (for example, UE or BS) it is transmitted to the communication resource of junior's entity (for example, UE).In some configurations, DL data portion 604 can be PDSCH.

The center DL subframe can also include the public part UL 606.The public part UL 606 can be referred to as sometimes UL burst, Public UL burst and/or various other suitable terms.The public part UL 606 may include various other with the center DL subframe The corresponding feedback information in part.For example, the public part UL 606 may include feedback information corresponding with control section 602. The non-limiting example of feedback information may include ack signal, NACK signal, HARQ indicator and/or various other suitable classes The information of type.The public part UL 606 may include additional or alternative information, such as about random access channel (random Access channel, RACH) process, scheduling request (scheduling request, SR) and various other suitable types letter The information of breath.

As shown in fig. 6, the end of DL data portion 604 can the beginning in time with the public part UL 606 separate.It should Time interval can be referred to as gap, protective time slot, protection interval and/or various other suitable terms sometimes.It is divided between being somebody's turn to do It communicates from DL communication (for example, the reception of junior's entity (for example, UE) operates) to UL (for example, the biography of junior's entity (for example, UE) It is defeated) switching provide the time.It will be appreciated by the skilled addressee that it is aforementioned be only with an example of the center DL subframe, And there may be the alternative structures with similar characteristics, and not necessarily deviate the aspect that the present invention describes.

Fig. 7 is the exemplary diagram 700 for showing the subframe centered on UL.The center UL subframe may include control section 702.Control Part 702 processed can reside in the initial or beginning of the center UL subframe.Control section 702 in Fig. 7 can be similar to upper Face refers to the control section 602 of Fig. 6 description.The center UL subframe can also include UL data portion 704.UL data portion 704 has When can be referred to as the payload of the center UL subframe.UL data portion can refer to by UL data from junior's entity (for example, UE) it is transmitted to the communication resource of scheduling entity (for example, UE or BS).In some configurations, control section 702 can be PDCCH.

As shown in Figure 7, the end of control section 702 can the beginning in time with UL data portion 704 separate.It should Time interval can be referred to as gap, protective time slot, protection interval and/or various other suitable terms sometimes.It is divided between being somebody's turn to do From DL communication (for example, the reception of scheduling entity operates) to UL, the switching of communication (for example, transmission of scheduling entity) provides the time. The center UL subframe can also include the public part UL 706.The public part UL 706 shown in fig. 7 can be similar to above with reference to The public part UL 706 of Fig. 7 description.The public part UL 706 can additionally or alternatively include about CQI, SRS and it is various its The information of his suitable type information.It will be appreciated by the skilled addressee that aforementioned is only to be shown with one of the center UL subframe Example, and there may be the alternative structures with similar characteristics, and not necessarily deviate the aspect that the present invention describes.

In some cases, sidelinks (sidelink) signal can be used in two or more subordinate entities (for example, UE) It communicates with one another.The practical application of this sidelinks communication may include public safety, close service, UE to network trunk, vehicle Communicated to vehicle (vehicle-to-vehicle, V2V) communication, all things on earth interconnection (Internet of Everything, IoE), Internet of Things Network Communication, task key grid and/or various other suitable applications.In general, sidelinks signal may refer to from one Junior's entity (for example, UE1) is transmitted to the signal of another junior's entity (for example, UE2), without by scheduling entity (for example, UE or BS) communication is relayed, even if scheduling entity can be used for dispatching and/or controlling purpose.In some instances, it can be used Licensed spectrum come transmit sidelinks signal (from usually using the WLAN of unlicensed spectrum it is different).

It disclosed below the embodiment for supporting the QoS model of the frame based on QoS flow.Web vector graphic qos parameter ensures Handle certain types of service in some way to provide the QoS of specific threshold amount.For example, given Business Stream can be by certain logical Often static qos parameter (such as ensures bit rate (guaranteed bit rate, GBR), non-ensured bit rate (non- Guaranteed bit rate, non-GBR), priority processing, packetization delay budget, packet error Loss Rate and/or other Parameter) classify.When Business Stream has some qos parameter, it can for example be forwarded by radio bearer, which can According to qos parameter bearer service.

In certain configurations, EPS carrying processing is mapped to all user groupings of the carrying of the EPS with identical QoS.? In EPS carrying, the processing of user plane packets is not further discriminated between.In order to improve, it can be treated differently to be mapped to and belong to The grouping of the different QoS stream of UE business.For example, it is desired to create multiple EPS carrying with different QoS parameter.

QoS flow ID (QoS Flow ID, QFI) can be used for identifying the QoS flow in the present invention.Have in PDU session identical Uplink (UP) business of QFI receives identical business forward process (for example, scheduling, access threshold value).QFI can be applied to have The PDU (i.e. IP grouping, non-IP PDU and ethernet frame) of different type payload.QFI should be unique in PDU session 's.

Each QoS flow (GBR and non-GBR) can be with qos parameter (such as 5G QoS indicator (5G QoS Indicator, 5QI)) it is associated.5QI is used as the scalar (scalar) of the reference of 5G QoS characteristic, that is, is used for access control The node special parameter of the QoS forward process of QoS flow is (for example, dispatch weight, access threshold value, queue management threshold value, link layer are assisted View configuration etc.).QoS flow provides most fine granularity (granularity) for the QoS differentiation of the grouping in PDU session.

Fig. 8 shows the protocol stack for the communication system based on QoS flow.Protocol stack shown in fig. 8 includes multiple layers: IP layer 802, service data self-adapted protocol (Service Data Adaptation Protocol, SDAP) layer 804, PDCP layers 806, rlc layer 808, MAC layer 810 and L1 layer 812.

IP layer 802 is the network layer of IP agreement group, and providing can be by multiple subnetwork techniques (for example, Ethernet, ATM etc.) Transmit the public packet format and addressing scheme of data.In conjunction with Fig. 3, described above is PDCP layer 806, rlc layer 808 and MAC layers 810 function.L1 layer 812 is physical layer.

As described above, on the radio interface, this system remains the data radio carrying for user plane handles (Data Radio Bearer, DRB) concept.This requirement will belong to one or more QoS of the PDU session of UE according to qos requirement Stream is mapped to DRB.It is completed in QoS flow to the new user plane protocol layer for being mapped in referred to as SDAP layer 804 of DRB, the SDAP layers 804 are located on PDCP layer 806 and are located under IP layer 802.SDAP is physically located at SDAP layer 804.It can be defined for UE several SDAP entity.Each cell group can configure SDAP entity for each individually PDU session.SDAP entity needle in SDAP layer 804 Mapping between QoS flow and data radio bearer is executed to DL and UL business.

QFI QoS flow for identification.User-plane traffic with same session PDU QFI receives identical business transmission Process (for example, scheduling and approval threshold value (access threshold value)).QFI can be applied to different types of payload PDU's 814 Each (that is, IP grouping, unstructured grouping, ethernet frame etc.).

Fig. 9 A shows the mapping of the QoS flow for downlink IP traffic.It is put down more specifically, Fig. 9 A shows user The communication of face function (User Plane Function, UPF) equipment/between entity/function 912 and UE 926.UPF 912 can To execute function identical with base station, the QoS for being modified grouping based on the request from equipment is handled；However, UPF 912 The dispatching priority on radio can not be changed, but can change when forwarding the packet to base station QoS packet marking with The QoS processing of matching modification (this causes base station to modify dispatching priority).In addition, UPF 912 can future self-application or service One or more IP stream 906a-906n of layer 902 is mapped to one or more QoS flows.For example, being originated from same application or service IP grouping may be considered that associated with identical IP stream.Similarly, it is believed that be sent to the IP grouping of same application or service It is associated with identical IP stream.

As shown in Figure 9 A, UPF 912 and UE 926 both defines packet filter 911, allows UE 926 and UPF 912 The NAS rank 908 at place determines which the IP stream which QoS flow 916 be mapped to.It can be based on source and target IP address and port numbers Execute the filtering.Therefore, such processing is flexible so that the grouping of different types of application can be mapped to not by network Same QoS flow 916.

Once in addition, UPF 912 to include IP stream 906a-906n in downlink user plane grouping go to not With QoS flow 916 classification and marking when, UPF 912 just distributes QFI 914 and be added to for each QoS flow 916 each to be had In the header for imitating load grouping 910, and base station 920 is sent by all QoS flows 916 of one or more PDU sessions 918. For each PDU session, can be established between UPF 912 and base station 920 individual tunnel for exchange be grouped, the grouping and The different QoS stream 916 of PDU session 918 is associated.

Base station 920 is configured as receiving multiple groupings of at least one QoS flow 916 from UPF 912.In each payload QFI 914 associated at least one QoS flow 916 is received in the header of grouping.In addition, be configured as will be each for base station 920 The grouping that each of QoS flow 916 receives is mapped to one in DRB 922,924.According to certain rules described below, QoS flow 916 is based on QFI 914 associated with QoS flow 916 and is mapped to DRB 922,924.QoS flow 916 to DRB 922, 924 this be mapped at AS grade 909 executes.

When establishing PDU session 918 or establishing new QoS flow 916 or when establishing a wireless connection, also by QoS flow Qos parameter be supplied to base station 920 as QoS profile (profile).Qos parameter can also be pre-configured in base station 920. Packet transaction in base station 920, on DRB 922,924 defined radio interfaces (that is, Uu).DRB 922,924 uses identical Packets forwarding processing carrys out service packet.Can be need the QoS flow 916 of different grouping forward process establish individual DRB 922, 924.The mapping between each QoS flow 916 and relevant qos parameter (or QoS profile) is known in base station 920, and therefore decision pair The data radio answered carries 922,924 radio configuration.In the downlink, base station 920 is based on packet marking (i.e. QFI 914) QoS flow 916 is mapped to DRB 922,924 with relevant QoS profile.It can be by a DRB of such as the first DRB 922 It is mapped to multiple QoS flows.For each DRB 922,924 of configuration, base station 920 provides one or more QFI 914 and PDU meeting Talk about the list of 918 identifiers.Qos parameter relevant to radio level QoS is (for example, packet error probability, waiting time, data speed Rate etc.) multiple QoS flows can be it is identical, therefore multiple QoS flows of identical PDU session 918 can be mapped to it is identical DRB (for example, the first DRB 922).The QoS flow 916 of PDU session 918 is not mapped to more than one DRB 922,924.One Another QoS flow of the QoS flow of PDU session and another PDU session can have identical QFI 914, but these QoS flows It is mapped to different DRB 922,924.In some configurations, QFI 914 is carried in SDAP header, as described below.

Fig. 9 B shows the mapping of the QoS flow for uplink IP traffic.In the case where uplink service, UE 926 are based on being mapped to DRB 922,924 from the received mapping in base station 920 by QoS flow 916.In addition, UE 926 is from higher (example Such as application/service layer 902) receive include IP stream 904a-904n in uplink user plane grouping.In addition, UE 926 Each grouping is first mapped to corresponding QoS flow 916 in NAS rank using corresponding packet filter 911.Next, UE 926, which are based on received QFI 914 in AS grade 909, is mapped to corresponding DRB 922,924 for each QoS flow 916.It should be noted that If the UL grouping to arrive and QoS flow ID to DRB mapping (neither configuration nor determining by the QoS of reflection) are not Match, then UE 926 maps the default DRB (being not shown in Fig. 9) for being grouped into PDU session.In addition, UE 926 also adds QFI 914 In the header (for example, SDAP header) of the grouping sent on each DRB (including defaulting DRB).In addition, UE 926 via with spy Determine the associated corresponding DRB 922,924 of QoS flow 916 to send all uplink packets together with corresponding packet header To base station 920.

As described above, the special indicators of such as 5QI can be used for each QoS flow 916 (GBR and Non-GBR) and QoS joins Number is associated.5QI is a scalar, the reference as 5G QoS characteristic.Each 5QI indicates 5G QoS characteristic (certain QoS ginsengs Number, for example, dispatch weight, approval threshold value, queue management threshold value etc.) a kind of combination.In some configurations, 5QI can be indicated Following 5G QoS characteristic: resource type (GBR or Non-GBR), flow priority, packetization delay budget and packet error probability.It flows excellent First grade is the ginseng of the relative priority of bit rate and transmission characteristic (packetization delay budget, packet error probability) needed for instruction meets Number.It influences to flow access to the PDU of resources in network and the resource allocation for forwarding the packet processing, allows access and resource The consistency of distribution is to meet service request.

Packetization delay budget (Packet Delay Budget, PDB) is QoS characteristic, and which depict QoS flows in UE 926 The one aspect of the packets forwarding processing of edge to edge (edge-to-edge) is received between UPF 912.PDB is defined in The time upper limit being delayed by is grouped between UE 926 and UPF 912.For some 5QI, the value of PDB is identical in UL and DL 's.3GPP access in the case where, PDB be used for supports scheduling and link layer functionality configuration (for example, dispatching priority weight with The setting of HARQ object run point).In other words, PDB is indicated end to end " the soft upper limit ".

If should be noted that queuing time ratio PDB long or if packet buffer has been expired, some groupings may lose It loses.If should be appreciated that data rate (such as short-term bit rate) is higher than Maximum Bit Rate associated with PDU data stream, PDU can store in packet buffer.If abandoning grouping, the quantity of the grouping of discarding can recorde.It is whole point long-term Group loss ratio (or packet loss rate) may be limited to packet error rate requirement.

There are two kinds of 5QI scalar-standardized 5QI and nonstandardized technique 5QI in communication system of the invention. The 5QI of nonstandardized technique can be used by different QoS characteristics and standardized 5QI in Mobile Network Operator according to their own needs Type is associated.The QoS configuration file of standardization 5QI is generally more appropriate for carrying out network interconnection with the network based on EPC.It should Note that 926 behaviors of UE are generally independent of the type of used 5QI scalar.

Standardization 5QI value and the one-to-one mapping of QoS characteristic define in following table 1.

Table 1

In the present invention, there are two kinds controls the option of QoS flow using QFI.The first selection is by non-GBR QoS Stream is used in combination with standardized 5QI value.In the configuration, standardized 5QI is used as QFI.In addition, in the configuration, when with When the business of the QoS flow starts, it does not need the additional signaling by any interface (for example, interface N2).Second option Suitable for non-GBR and GBR QoS flow, wherein 5QI value is not used.In the configuration, UE 926 needs respectively through N2 and N7 Interface sends QFI 914 to base station 920 and UPF 912.In addition, in the configuration, being used for when establishing QoS flow or when establishing When the PDU session of the QoS flow, the additional signaling of qos parameter is needed.

Figure 10 shows the NAS level map that the IP based on corresponding mapping table flows to QoS flow and QoS flow to Deta bearer AS level map, can be executed by device 1000.Device 1000 can be UE (for example, UE 926) or base station (for example, base It stands 920).As shown in Figure 10, device 1000 receives the multiple groupings for belonging to one or more IP streams, and multiple grouping belongs to one again A or multiple PDU sessions (for example, the first PDU session 1004).At NAS grades, device 1000 is based on packet filter 1006 and base The classification and marking of DL/UL business is executed in QoS rule, i.e. IP stream is associated with QoS flow 1008.These rules can be in N1 It clearly signals, be pre-configured in UE or by UE from reflection on interface (being established in PDU session establishment or QoS flow) QoS is implicitly exported.QoS rule may include QoS rule identifier, the QFI of QoS flow and QoS flow template (that is, being grouped Filter group 1006 and with the associated corresponding precedence value of QoS flow 1008).One QoS flow can have one or more QoS rule Then.

It is defined in following table 2 using the exemplary NAS level map that the IP of QoS rule flows to QoS flow:

Table 2

In telecommunication system of the invention, each PDU session 1004 needs to have default QoS rule.In table 2 above In, the last QoS rule with QoS rule ID equal to 4 is default QoS rule.Default QoS rule is and may not include grouping Unique QoS of the specific PDU session association of filter is regular (as shown in table 2).

After completing the mapping between IP stream and QoS flow 1008, in AS grade 1010, device 1000 is based on corresponding mapping Table executes the association that QoS flow 1008 arrives DRB 1012.Exemplary AS grades of QoS flow 1008 to DRB 1012 are mapped in following table It is defined in 3:

Table 3

The last line of table 3 indicates that all unknown QFI will be mapped to that the 3rd DRB (being not shown in Figure 10) of default.

As shown in Figure 10, each of the first DRB 1012a and the 2nd DRB 1012b is utilized respectively encryption and robust report Corresponding QoS flow is grouped by head compression (Robust Header Compression, ROHC) 1016a and ROHC 1016b to be sent To corresponding special logic Traffic Channel (dedicated logical traffic channel) 1014a and special logic industry Be engaged in channel 1014b.

As described above, the embodiment of the present invention support handles AS/NAS reflection qos feature using SDAP header.NAS is anti- Penetrate QoS be it is optional using feature in communication system of the invention, implicitly to control UE export by downlink traffic QoS rule.More specifically, network determines for which QoS rule to be applied to DL business, and UE arrives the reflection of DL QoS rule Relevant UL business.When UE, which is received, be grouped using the DL of reflection QoS, if it is desired, UE creates new export QoS rule Then.Packet filter in derived QoS rule is derived from the DL grouping.It can be in same PDU session using reflection QoS With non-reflective QoS.In addition, AS reflection QoS is the optional feature that the base station in communication system of the invention uses, to pass through downlink Link traffic implicitly configures the mapping of QoS flow to DRB.

Figure 11 is the sequence chart for illustrating NAS reflection qos feature.In some configurations, communication system 1100 includes data network Network (Data Network, DN) 1102 (for example, the access of carrier service, internet or third party's service), conversation management functional (Session Management Function, SMF) 1104, UPF 1106, base station 1108 and UE 1110.As shown in figure 11, The grouping of PDU session on the direction DL by N6 interface 1112 from DN 1102 traverse (traverse) to UPF 1106, pass through N3 Interface 1118 traverses base station 1108 from UPF 1106 and traverses UE from base station 1108 by radio interface 1120 1110。

In the present invention, SMF 1104 is configured as controlling: session management is (for example, by session establishment, modifying and releasing Put), the distribution of UE IP address and management, using destination appropriate turn to (traffic diversion) setting incoming road by from UPF 1106 Business, policy control implements and QoS interface and other function.SMF 1104 is logical by N4 interface 1114 and UPF 1106 Letter.In the configuration, when network determines activation reflection NAS QoS, SMF 1104 will be with downlink by N6 interface 1112 It is grouped associated reflection QoS rule and is sent to UPF 1106.SMF 1104 sends reflection QoS rule via N4 interface 1114. Reflection QoS rule should activate NAS to reflect QoS to the instruction of UPF 1106.It is matched with comprising activation instead when UPF 1106 is received When penetrating the DL grouping of the QoS rule of the instruction of QoS, UPF 1106 will reflect QoS indicator (Reflective QoS Indicator, RQI) it is contained in together with the QFI of QoS flow in the header of the grouping sent through N3 interface 1118.It is noticeable It is that header (for example, SDAP header) is also added to the DL radio packet sent by radio interface 1120 by base station 1108 In.

In some configurations, (have setting in header using the DL grouping of reflection QoS when UE 1110 is received The grouping of RQI indicator) when, UE 1110 creates new derived QoS rule.Packet filter in derived QoS rule is Derived from received DL grouping.UE 1110 is also by derived packet filter addition (operation 1122) to multiple NAS grades groupings Filter 1006.Using newly created NAS grades of packet filter and derived QoS rule is used in operation 1124, UE 1110 Execute the classification and marking of UL business.RQI is sent only for downlink user plane traffic.

As shown in figure 11, the grouping of the PDU session on the direction UL traverses base from UE 1110 by radio interface 1120 It stands 1108, UPF 1106 is traversed from base station 1108 by N3 interface 1118 and is traversed by N6 interface 1112 from UPF 1106 To DN 1102.It should be noted that RQI is sent only for downlink user plane traffic, but UPF is traversed from UE 1110 1106 uplink service carries the QFI of corresponding QoS flow in AS agreement (i.e. SDAP) header.

Figure 12 is the sequence chart 1200 for illustrating AS reflection qos feature.In various configurations, base station 1204 uses two kinds of mechanism One of configuration QoS flow to DRB mapping.In one configuration, UE 1202 is received in signaling message (for example, RRC signaling message) For each foundation from base station 1204 PDU session QoS flow identifier to DRB mapping.In another arrangement, AS Reflection qos feature can be used reflection QoS flow and map instruction (Reflective QoS flow to DRB mapping to DRB Indication, RDI) it is implicitly activated by DL grouping.As shown in figure 12, RDI is only for downlink user plane traffic It sends, and is included in AS protocol header 1206 together with the QFI of the downlink packets sent via specific DRB 1210. Whether RDI bit indication should update QoS flow to the mapping ruler of DRB.Based on the received RDI bit of institute, 1202 selectivity of UE Ground updates corresponding QoS flow to the mapping ruler of DRB, and associated with identical QoS flow using identical DRB 1210 transmission UP grouping 1208.

Figure 13 is the exemplary diagram for showing the SDAP header that can be used for enabled NAS/AS reflection qos feature.It should be noted that In some configurations, SDAP header 1300 can be not present, and can be configured by DRB.If configuration, the SDAP header of DRB 1300 size is static (for example, 1 byte).Can be individually arranged by corresponding RRC signaling process DL business and The presence of SDAP header 1300 in UL business.

As shown in figure 13, in some configurations, SDAP header 1300 may include two additional designators and QFI 1306.RQI indicator 1302 is used to configure NAS reflection QoS by more newly arriving for NAS grades of mapping rulers of instruction.RDI indicator 1304 for by indicating whether that update AS grades of mapping rulers (QoS flow to DRB mapping ruler) reflects QoS to configure AS. In some configurations, RDI 1302 and RDI 1304 is a bit long.As shown in FIG. 11 and 12, RQI 1302 and RDI 1304 It can individually be sent according to used base station strategy.

Figure 14 A is the figure for showing utilization and the processing of the example SDAP header for enabling NAS reflection QoS flow mapping.Such as Shown in Figure 14 A, the DL grouping that UE 1402 is sent to from base station 1404 may include SDAP header 1406 (if being configured as depositing ).SDAP header 1406 includes RQI and QFI indicator.The processing of SDAP header is executed in operation 1408, UE 1402.In one kind In configuration, SDAP header processing 1408 is related to extracting RQI and QFI from header.In another arrangement, UE 1402 is mentioned first Take RQI indicator, determine RQI indicator whether be arranged to 1 and only in response to determine be provided with RQI indicator and from header Extract QFI.In addition, if being provided with RQI, then UE 1402 notifies RQI and QFI to upper layer (NAS).UL is grouped, at SDAP Reason operation 1408 is related to (connecing identical QFI from NAS grades if SDAP header 1412 is configured as existing for UL business Receive) it is added to the SDAP header 1412 of UL grouping.

Next, reflecting QoS operating 1410, UE 1402 and executing NAS and handle with NAS enabled in configuration.More specifically Ground extracts packet filter from DL grouping in operation 1410, UE 1402.In some configurations, UE 1402 is grouped from DL Corresponding IP header exports NAS grades of packet filters.IP header includes 5 tuple (tuple), including source IP address, Target IP Address, source port number, destination port number and network protocol ID.Operation 1410 is further related to derived NAS rank packet filter The reflection executed for UL business is handled.In some configurations, reflection processing includes the NAS grade that reversion is used for corresponding UL business The source and target IP address and port numbers of packet filter.In other words, reflection processing is related to creating mirror image packet header simultaneously The mirror image QoS in different flow directions (UL).UE 1402, which also determines whether to exist, is mapped to the received DL of the institute IP stream being grouped pair The existing QoS rule (NAS grades of mappings) for the QoS flow answered.It is mapped if there is no such NAS grades, then UE 1402 will be exported newly QoS rule be added to current NAS grades of mapping table, and if desired, old QoS rule may be removed.In addition to for UL business It creates except NAS grades of packet filters, operation 1410 further relates to send QFI to SDAP layers.

Figure 14 B is the figure for showing utilization and the processing of the example SDAP header for enabling AS reflection QoS flow mapping.Such as figure Shown in 14B, SDAP header 1422 (if being configured to exist) includes RDI and QFI indicator.It is executed in operation 1408, UE 1402 The processing of SDAP header.In one configuration, SDAP header processing 1408 is related to extracting RDI and QFI from header.Match in another kind In setting, UE 1402 extracts RDI indicator first, determines whether RDI indicator is arranged to 1 and refers to only in response to determining RDI Show that symbol is set and extracts QFI from header.In addition, if being provided with RDI, then UE 1402 is to AS grades of notice RDI and QFI.For UL grouping, SDAP processing operation 1408 is related to will be identical if SDAP header 1424 is configured as existing for UL business QFI (receiving from AS grades) is added to the SDAP header 1424 that UL is grouped.

Next, reflecting QoS operating 1411, UE 1402 and executing AS and handle with AS enabled in configuration.More specifically, The identifier for receiving the DRB of DL grouping is determined in operation 1411, UE 1402.UE 1402 is also determined whether to exist and will be received The QoS flow of DL grouping be mapped to existing AS the grade of identified DRB mappings (QoS flow to DRB mapping).If there is no in this way The mapping of AS grade, then the mapping of new derived QoS flow to DRB is added to current AS grades of mapping table, and if need by UE 1402 It wants, old mapping may be removed.In some configurations, it is related to identification QoS associated with QFI for the AS processing 1411 of UL grouping Stream using which DRB it is determined that send UL grouping.

In some configurations, can also be solved using SDAP header QoS flow reorientation (also referred to as QoS flow to DRB again Mapping) during grouping (for example, PDCP PDU) sequence transmission.QoS flow is defined as changing QoS to remapping for DRB The operation of mapping relations between stream and DRB, that is, QoS flow is redeployed as carrying on different DRB.When base station is wanted When the QoS flow defaulted in DRB is moved to dedicated DRB, it can remap.Further, since including switching The change of the radio environment of (Handover, HO), the current DRB for QoS flow may become unavailable.And base station can be with DRB distribution is adjusted preferably to cope with current mix of traffic.

QoS flow reorientation also means that data are moved to the 2nd PDCP entity from the first PDCP entity (source PDCP entity) (target PDCP entity).Guarantee during QoS flow is relocated/remapped this means that PDCP sequence number is no longer able to be used as The mechanism of the sequence transmission of PDU, because there is presently no mechanism to guarantee the transmission order across different PDCP entities.

During QoS flow to DRB remaps, it is possible to a QoS flow are remapped to more suitable DRB, this meaning Taste delay time (latency) of target DRB delay time of source DRB can be shorter than.In this case, pass through target The grouping that DRB is sent can reach earlier than the previous grouping sent by source DRB.Therefore, receiving side can simultaneously one A QoS flow is carried on a above DRB.

Referring now to Figure 150 0 of Figure 15 A, it is assumed that UE 1502 initially by the first DRB 1508 to base station 1504 send with The associated UL grouping of specific QoS stream.At a time, base station 1504 determines the QoS flow being repositioned onto the 2nd DRB 1512.When UE 1502 receives the grouping of the DL with SDAP header 1510 by the 2nd DRB 1512, UE 1502 finds pass In the information to remap.As shown in fig. 15, SDAP header 1510 includes and the associated QFI of QoS flow that relocates and upper The RDI indicator that face discusses.In response, UE 1502, which begins through the 2nd DRB 1512 and sends, has corresponding SDAP header 1514 UL grouping.

Figure 15 B is to show Figure 152 0 that relevant additional detail is relocated to QoS flow.More specifically, grouping 1522 indicates UL associated with the first QoS flow 1516 sent by UE 1502 by the first DRB 1508 is grouped.Grouping 1524 indicate with by UL associated with the second QoS flow 1518 grouping that UE 1502 is sent by the 2nd DRB 1512.In addition, grouping 1526 indicates It is UL points associated with the first QoS flow 1516 sent by UE 1502 by the 2nd DRB 1512 after QoS flow relocates Group.

The embodiment of the present invention is solved the above problems by adding special marking to SDAP header.Figure 16 shows QoS A solution of sequential packet problem of transmission during stream reorientation.More specifically, UE 1502 (being not shown in Figure 16) exists Change and adds 1 bit indicator in the SDAP header of corresponding UL grouping when sending PDCP entity.Grouping 1608 is indicated again The grouping that the first DRB 1602 is sent is passed through by UE before positioning QoS flow 1606.The SDAP header 1610 of the first two grouping 1608 It only include QFI indicator.However, before sending last UL grouping associated with QoS flow 1606 by the first DRB 1602, One special so-called " terminating label (end-marker) " is added to the header being finally grouped 1612 by UE 1502.Occurring After QoS flow reorientation, UE 1502 begins through the 2nd DRB 1604 and sends UL grouping.It should be noted that these UL grouping SDAP header 1614 no longer includes any special marking (for example, terminating label).

After receiving with the grouping (for example, grouping with SDAP header 1612) of label is terminated, DRB's is another SDAP receiver (for example, SDAP receiver of base station 1504) on side knows that the transmission of QoS flow 1606 will be in the first DRB Terminate in 1602.If the SDAP receiver of base station 1504 then receives identical QoS flow 1606 in the 2nd DRB 1604 Grouping, then the SDAP receiver of base station 1504 is known receives all groupings in the proper sequence, and can be by all receptions UL grouping be seamlessly transmitted to upper layer.However, if the SDAP receiver of base station 1504 receives in the 2nd DRB 1604 The grouping of phase cocurrent flow and the grouping with the SDAP header for terminating label is not received by the first DRB 1602, then base station 1504 SDAP receiver knows that unordered (out-of-order), which has occurred, to be transmitted and keep new data packet, until receiving header In include terminate label data packet until.In other words, if reaching the first DRB in the grouping with header 1612 Before 1602, the grouping of the header 1614 with QoS flow 1606 reaches the 2nd DRB 1604, then the SDAP receiver of base station 1504 The grouping for keeping the header 1614 with QFI having the same in special buffer, until being grouped into header 1612 Until reaching, so as to which all groupings to be transmitted to the upper layer of base station side.

Figure 17 shows the substitution solutions for transmitting problem to sequential packet during QoS flow relocates.More specifically, UE 1502 (being not shown in Figure 17) adds 1 ratio in the SDAP header of corresponding UL grouping when changing and sending PDCP entity and refers in particular to Show symbol.Grouping 1708 indicates to pass through the grouping that the first DRB 1702 is sent by UE before relocating QoS flow 1706.First UL The SDAP header of grouping 1708 only includes QFI indicator.If not additional grouping is wanted after QoS flow reorientation occurs It is sent by the way that special the first DRB 1702 for terminating label can be added, or if the first DRB 1702 is released, one In kind of configuration, the header 1712 that the SDAP transmitter of UE 1502 is grouped to the first UL sent by the 2nd DRB 1704 is added Special so-called beginning label (start-maker), to indicate opening for transmission of the QoS flow 1706 by the 2nd DRB 1704 Begin.In this case, it is received in its header by SDAP receiver-side (for example, SDAP receiver of base station 1504) and includes Begin label grouping 1710 when, the SDAP layer of base station 1504 because knowing that all be grouped all receives in the correct order, can directly by All received groupings 1708,1710 are transmitted to upper layer without waiting.

Figure 18 A and 18B are the SDAP headers for showing the sequence transmission that can be used for guaranteeing grouping during QoS flow relocates 1800 exemplary diagram.In one configuration, during QoS flow relocates/remap process, end label described below 1804 or beginning label 1808 can be indicated by the QFI 1806 in individual bit and SDAP header 1800.In other words, UE SDAP transmitter always using label 1804 or beginning label 1808 is terminated, this depends on whether to exist through original DRB (example Such as, the first DRB 1702 in Figure 17) hang up (pending) any additional packet transmission.In one configuration, the SDAP of UE Transmitter, which can be used by the confirmation of rlc layer transmission, determines whether to successfully transmit any specific cluster.In one configuration, If the grouping of all transmissions be successfully authenticated or if SDAP transmitter no longer have any additional packet to be sent or If the original DRB of person is released, start mark 1808 is can be used to shorten delay, otherwise using knot in the SDAP transmitter of UE Beam label 1804.In receiver-side (for example, base station side), SDAP receiver wait end label 1804 from the first DRB or Wait the beginning label 1808 from the 2nd DRB.It should be noted that the working method of the function in two directions is identical.Change sentence It talks about, the end label 1804 of beginning label 1808/ can be added to corresponding UL and is grouped by the SDAP transmitter of UE, and UE SDAP receiver can correctly explain these labels.

Figure 19 is the flow chart 1900 for enabling the method (process) of NAS reflection qos feature.This method can be by UE (for example, the NAS of UE 104, UE 350, UE 1110, UE 1402, device 2302/2302' reflect QoS component 192) Lai Zhihang. DL data grouping and determination server data stream associated with DL data grouping are received operating 1902, UE.In operation 1904, UE NAS RQI indicator is extracted from DL data grouping, which indicates that service agreement stream is mapped to QoS flow by UE.It is operating 1906, UE extracted from DL data grouping mark with the associated QoS flow of received DL data grouping QFI.

The QoS flow whether server data stream is mapped at UE is determined in 1908, UE of operation.1910 are being operated, in response to Determine that server data stream is not mapped to the QoS flow at UE, UE, which is generated, maps the new NAS that server data stream is mapped to QoS flow.? Operation 1912, in response to determining that server data stream is mapped to the QoS flow at UE, UE maintains old NAS to map.

In operation 1914, in response to determining that server data stream is not mapped to the QoS flow at UE, UE is removed server data stream It is mapped to the old NAS mapping of different QoS stream.It is mapped operating 1916, UE according to new NAS, sent by QoS flow and services number According to the associated UL data grouping of stream.

In some configurations, NAS RQI indicator is extracted from the SDAP header of DL data grouping.

Figure 20 is the flow chart 2000 for enabling the method (process) of AS reflection qos feature.This method can be by UE (example Such as, the AS reflection QoS component 194 of UE 104, UE 350, UE 1110, UE 1402, device 2302/2302') Lai Zhihang.It is grasping Make 2002, UE and receives DL data grouping and determination server data stream associated with DL data grouping.2004, UE is being operated from DL AS RDI indicator is extracted in data grouping, which indicates that QoS flow is mapped to DRB by UE.In operation 2006, UE Extracted from DL data grouping mark with the associated QoS flow of received DL data grouping QFI.Operating, 2008, UE is true Surely the DRB of DL data grouping is received by it.

Determine whether QoS flow is mapped to the identified DRB at UE operating 2010, UE.Operating 2012, UE response In determining that QoS flow is not mapped to the DRB at UE, generates and map the new AS that QoS flow is mapped to DRB.2014 are being operated, in response to Determine that QoS flow is mapped to the DRB at UE, UE maintains old AS mapping.

In operation 2016, in response to determining that QoS flow is not mapped to the DRB at UE, UE, which is removed, is mapped to difference for QoS flow The old AS of DRB maps.It is mapped operating 2018, UE according to new AS, UL number associated with server data stream is sent by DRB According to grouping.

In some configurations, AS RDI indicator is extracted from the SDAP header of DL data grouping.

In some configurations, QFI indicator is extracted from the SDAP header of DL data grouping.

Figure 21 A-B is by the QoS flow weight of UE 104, UE 350, UE 1110, UE 1402, device 2302/2302' respectively The flow chart 2100 and 2120 for the method (process) that positioning component 196 executes, to guarantee during QoS flow relocates in order Transmission grouping.

This method can be held by UE (for example, UE 104, UE 350, UE 1110, UE 1402, device 2302/2302') Row.Since the flow chart 2100 of Figure 21 A, determine whether QoS flow from the first DRB is remapped to second operating 2102, UE DRB.Terminate label operating 2104, UE setting in the final data grouping of one or more data groupings, this terminates to mark The end of the indicating predetermined multiple groupings associated with QoS flow sent by the first DRB, in response to determining still (remain) one or more data groupings are sent by the first DRB.It is sent finally operating 2106, UE by the first DRB Data grouping.

Referring now to the flow chart 2120 of Figure 21 B, determine whether QoS flow is remapped to from the first DRB operating 2102, UE 2nd DRB.It still will be by the in response to determining that there is no multiple data groupings associated with QoS flow operating 2108, UE One DRB sends or if the first DRB is released, and beginning label is arranged in first data grouping, beginning label instruction The beginning of multiple groupings associated with the predetermined QoS flow sent by the 2nd DRB, first data grouping make a reservation for pass through with this The QoS flow that 2nd DRB is sent is associated.The first data grouping is sent by the 2nd DRB operating 2110, UE.

In some configurations, terminating label includes in the SDAP header of final data grouping.

In some configurations, beginning label includes in the SDAP header of final data grouping.

In some configurations, by receiving QFI and AS RDI in DL is grouped and associated with QoS flow by detecting DRB has changed to determine whether the QoS flow that remaps.

In some configurations, by receiving the RRC information of radio bearer configuration and by being provided in detection RRC information DRB mapping determine whether the QoS flow that remaps with previous DRB mapping difference.

In some configurations, UE receives the RRC information of the configuration of instruction radio bearer, and UE determination is associated with DRB Whether the associated QoS flow of QoS flow needs to transmit in order.If necessary to transmit in order, then UE is enabled terminates tagging mechanism, Otherwise disabling (disable) terminates tagging mechanism.

Figure 22 A-C is the flow chart 2200,2220 and 2230 of the method (process) executed by base station respectively, to guarantee Transmission grouping in order during QoS flow relocates.This method can be executed by base station (for example, base station 102, base station 310 etc.).

Since Figure 22 A, in certain configurations, in operation 2202, base station is received associated with QoS flow by the first DRB The first data grouping of one or more.In operation 2204, base station determines at least one in one or more first data groupings Whether a include with the data grouping for terminating label, this terminates that indicating predetermined (scheduled) is marked to send by the first DRB Multiple groupings associated with QoS flow end.In operation 2206, base station sends one or more first data groupings to Upper layer.

Referring now to Figure 22 B, in certain configurations, in operation 2222, base station determines whether QoS flow needs sequence to transmit. In operation 2224, base station receives associated with QoS flow one or more first data groupings by the first DRB, and passes through the Two DRB receive one or more second data groupings associated with QoS flow.In operation 2226, base station determines one or more Whether at least one of first data grouping includes with the data grouping for terminating to mark, this terminates label instruction and leads to predetermined Cross the end of the associated multiple groupings of QoS flow of the first DRB transmission.In operation 2228, in response to determining one or more the At least one of one data grouping includes with the data grouping for terminating label, and base station is divided by one or more first data Group is sent to after upper layer and sends upper layer for one or more second data groupings.In operation 2229, in response to determining one Or no one of multiple first data groupings include with the data grouping for terminating label, base station inhibits (refrain) by one A or multiple second data groupings are sent to upper layer.

Referring now to Figure 22 C, in certain configurations, in operation 2232, base station determines whether QoS flow needs sequence to transmit. In operation 2234, base station receives associated with QoS flow one or more first data groupings by the first DRB, and passes through the Two DRB receive one or more second data groupings associated with QoS flow.In operation 2236, base station determines one or more Whether at least one of first data grouping includes with the data grouping for terminating to mark, this terminates label instruction and leads to predetermined Cross the end of the associated multiple groupings of QoS flow of the first DRB transmission.In operation 2238, in response to determining one or more the At least one of one data grouping includes with the data packet for terminating label, and base station is by one or more first data groupings It is sent to after upper layer and sends upper layer for one or more second data groupings.Operation 2240, in response to determine one or No one of multiple first data groupings include with the data grouping for terminating label, and base station inhibits one or more second Data grouping is sent to upper layer.

In operation 2242, in response to determining that no one of one or more first data groupings include having to terminate label Data grouping, base station determines whether at least one of one or more second data groupings include the number with beginning label According to grouping, the beginning of beginning label instruction multiple groupings associated with the predetermined QoS flow sent by the 2nd DRB.It is grasping Make 2244, in response to determining that at least one of one or more second data groupings include having the data point of beginning label Group, base station stop inhibiting and after sending one or more first data groupings on upper layer by the second number of one or more Upper layer is sent to according to grouping.

In some configurations, determine whether at least one of one or more second data groupings include having to start to mark The data grouping of note includes the beginning label in the SDAP header for detect at least one of one or more second data groupings.

In some configurations, determine whether at least one of one or more first data groupings include having to terminate mark The data grouping of note includes the end label in the SDAP header for detect at least one of one or more first data groupings.

Figure 23 is the conceptual data flow graph of the data flow between the different members/means shown in exemplary means 2302 2300.Device 2302 can be UE.Device 2302 includes receiving unit 2304, NAS reflection QoS component 2306, AS reflection QoS group Part 2312, QoS flow reorientation component 2308 and transmission assembly 2310.Receiving unit 2304 can receive signal from base station 2350 2362 and transmission assembly 2310 can send base station 2350 for signal 2364.

In certain configurations, NAS reflection QoS component 2306 is preconfigured to be enabled NAS reflection qos feature.In other words Say, NAS reflection QoS component 2306 be preconfigured to be determine by which QoS rule be applied to DL business, and be configured as by DL QoS rule reflects to associated UL business.

NAS reflects QoS component 2306 and receives DL data grouping 2322 and determine clothes associated with DL data grouping 2322 Business data flow.DL data grouping 2322 includes QFI and may include NAS RQI indicator.NAS reflect QoS component 2306 from QFI is extracted in DL data grouping 2322 and extracts instruction NAS reflection QoS component 2306, and service agreement stream is mapped to QoS flow NAS RQI indicator (if present).

NAS reflection QoS component 2306 determines whether server data stream is mapped to QoS flow.NAS reflects QoS component 2306 In response to determining that server data stream is not mapped to the QoS flow at UE, the new NAS that server data stream is mapped to QoS flow is reflected in generation It penetrates.In response to determining that server data stream is mapped to the QoS flow at UE, NAS reflection QoS component 2306 maintains old NAS to map.It rings It should be not mapped to the QoS flow at UE in determining server data stream, the NAS reflection removal of QoS component 2306 maps server data stream Old NAS to different QoS stream maps.NAS reflect QoS component 2306 according to new NAS map to transmission assembly 2310 send with The associated UL data grouping 2324 of QoS flow.In other words, if DL data grouping 2322 includes the NAS RQI instruction of setting Symbol, then the QoS rule of UL data grouping is identical as the QoS rule of corresponding DL data grouping 2322.NAS RQI indicator can be with Including in the SDAP header of DL data grouping 2322.

In certain configurations, AS reflection QoS component 2312 is preconfigured to be enabled AS reflection qos feature.In other words, AS reflection QoS component 2312, which is preconfigured to be, implicitly controls the mapping of QoS flow to DRB by downlink traffic.AS is anti- QoS component 2312 is penetrated to receive DL data grouping 2322 and determine server data stream associated with DL data grouping 2322.AS is anti- It penetrates QoS component 2312 and extracts QFI and AS RDI indicator (if present) from DL data grouping 2322, the AS RDI indicator QoS flow is mapped to DRB by instruction AS reflection QoS component 2312.AS reflects QoS component 2312 and determines that receiving DL data by it divides The DRB of group 2322.

AS reflection QoS component 2312 determines whether QoS flow is mapped to the identified DRB at UE.AS reflects QoS component 2312, in response to determining that QoS flow is not mapped to the DRB at UE, generate and map the new AS that QoS flow is mapped to DRB.AS reflects QoS Component 2312 is in response to determining that QoS flow is mapped to the DRB at UE and old AS is maintained to map.

In response to determining that QoS flow is not mapped to the DRB at UE, QoS flow is mapped to not by the AS reflection removal of QoS component 2312 Old AS with DRB maps.AS reflection QoS component 2312 maps associated with QoS flow to the transmission of transmission assembly 2310 according to new AS UL data grouping 2324.In other words, if DL data grouping 2322 includes the AS RDI indicator of setting, AS reflection QoS component 2312 indicates which DRB is used for transmission UL data grouping 2324 to transmission assembly.In some configurations, from DL data QFI and AS RDI indicator is extracted in the SDAP header of grouping 2322.

In certain configurations, QoS flow reorientation component 2308 be preconfigured to be guarantee QoS flow relocate during by Sequence transmission grouping.QoS flow reorientation component 2308 determines whether QoS flow from the first DRB is remapped to the 2nd DRB.Some In configuration, when AS reflection QoS component 2312 receives QFI and AS RDI in DL grouping 2322 and when AS reflects QoS component 2312 when detecting that DRB relevant to QoS flow has changed, and AS reflects QoS component 2312 and relocates component 2308 to QoS flow QoS flow reorientation occurs for instruction.In some configurations, when QoS flow reorientation component 2308 receives RRC information 2326 and examines Measure provided in RRC information 2326 DRB mapping it is different from previous DRB mapping when, determine whether QoS flow is remapped.

QoS flow relocates component 2308 in response to determining that QoS flow is remapped to the 2nd DRB, determining and QoS from the first DRB Flow whether associated one or more UL data grouping 2324 still will be sent by the first DRB.QoS flow relocates component 2308 in response to determining that one or more data groupings are sent still through the first DRB, in one or more UL data groupings Setting terminates label in 2324 final data grouping, this terminates to mark indicating predetermined being sent by the first DRB with QoS flow phase The end of associated multiple groupings.It is last by the first DRB transmission to the instruction of transmission assembly 2310 that QoS flow relocates component 2308 UL data grouping 2324.

In response to determination, there is no data groupings associated with QoS flow still to be sent by the first DRB, or if First DRB is released, and QoS flow relocates component 2308 in the first number associated with the predetermined QoS flow sent by the 2nd DRB The beginning label started according to the grouping associated with the predetermined QoS flow sent by the 2nd DRB of setting instruction in grouping.QoS flow It relocates component 2308 and the first UL data grouping 2324 is transmitted by the 2nd DRB to the instruction of transmission assembly 2310.In some configurations In, terminate label and beginning label include with corresponding DRB it is associated finally/the SDAP header of first data grouping in.

Figure 24 is the hard-wired exemplary diagram 2400 for showing the device 2302' using processing system 2414.Device 2302' It can be UE.Processing system 2414 can realize that bus architecture is usually indicated by bus 2424 with bus architecture.Bus 2424 can To include any amount of interconnection bus and bridge, this depends on the concrete application and overall design constraints of processing system 2414.Always Line 2424 will include by one or more processors 2404, receiving unit 2304, NAS reflection QoS component 2306, AS reflection QoS What component 2312, QoS flow reorientation component 2308, transmission assembly 2310 and computer-readable medium/memory 2406 indicated The various circuits of one or more processors and/or hardware component link together.Bus 2424 can also link various other Circuit, such as timing source, peripheral equipment, voltage regulator and electric power management circuit etc..

Processing system 2414 can be couple to transceiver 2410, transceiver 2410 can be one in transceiver 354 or It is multiple.Transceiver 2410 is couple to one or more antennas 2420, and antenna 2420 can be communication antenna 352.

Transceiver 2410 provides a mean for the means that transmission medium is communicated with various other devices.Transceiver 2410 from one A or mutiple antennas 2420 receives signal, information is extracted from received signal, and the information of extraction is supplied to processing system 2414, especially it is available to receiving unit 2304.In addition, transceiver 2410 from processing system 2414 receive information, especially from Transmission assembly 2310 receives, and based on received information, generates the signal that be applied to one or more antennas 2420.

Processing system 2414 includes being couple to the one or more processors of computer-readable medium/memory 2406 2404.One or more processors 2404 are responsible for general processing, including execute and be stored in computer-readable medium/memory 2406 On software.The software makes processing system 2414 execute above-mentioned any specific dress when being executed by one or more processors 2404 The various functions of setting.Computer-readable medium/memory 2406 can be also used for storing when executing software by one or more The data that processor 2404 manipulates.Processing system 2414 further includes receiving unit 2304, NAS reflection QoS component 2306, AS reflection QoS component 2312, QoS flow relocate at least one of component 2308 and transmission assembly 2310.Component can be at one or The component software be resident/being stored in computer-readable medium/memory 2406 that runs in multiple processors 2404 is couple to One or more hardware components of one or more processors 2404 or its certain combination.In one configuration, processing system 2414 can be the component of UE 350, and may include memory 360 and/or TX processor 368, RX processor 356 and logical Believe at least one of processor 359.

In one configuration, 2302/ device 2302' of device for wireless communications includes for executing Figure 19-Figure 22 The device of each operation.Aforementioned device can be one or more of aforementioned components of device 2302 and/or be configured to execute By the processing system 2414 of the device 2302' of functions described in the foregoing device.

As described above, processing system 2314 may include TX processor 368, RX processor 356 and communication processor 359. In this way, in one configuration, aforementioned device can be configured as executing the TX processor 368 of the function of above-mentioned apparatus narration, RX processor 356, communication processor 359.It should be understood that the particular order or level of the block in disclosed process/flow chart are The explanation of illustrative methods.Based on design preference, it will be understood that the specific suitable of the block in process/flow chart can be rearranged Sequence or level.Furthermore, it is possible to combine or omit some pieces.Various pieces of member is presented with sample order for appended claim to a method Element is not meant to presented particular order or level.

There is provided previous description is to enable any person skilled in the art to practice various aspects of the present invention.This Field technical staff is readily appreciated that the various modifications in terms of these, and can be by General Principle application defined in the present invention In other aspects.Therefore, claim is not limited to aspect shown in the present invention, and is to fit to and language claims one The full scope of cause, wherein be not intended to " one and only one " to the reference of component by odd number (unless specifically this control gauge It is fixed), and refer to " one or more ".Word " exemplary " be used to mean herein " being used as example, example or illustration ".The present invention In be described as " exemplary " any aspect be not necessarily to be construed as it is more preferred than other aspects or advantageous.Unless in addition specifically being advised It is fixed, term "some" refer to one or more.Such as " at least one of A, B or C ", " one or more of A, B or C ", " at least one of A, B and C ", " one or more of A, B and C " and " A, B, C or any combination of them " Combination includes any combination of A, B and/or C, and may include multiple A, multiple B or multiple C.Especially, such as " A, B or C At least one of ", " one or more of A, B or C ", " at least one of A, B and C ", " one in A, B and C Or it is multiple " and the combination of " A, B, C or any combination of them " can be only A, only B, only C, A and B, A and C, B and C or A With B and C, wherein any such combination can include a member in A, B or C or more member.It is general for this field All structural and function of elements will appreciate that known to logical technical staff or later, through the various aspects of the invention described Energy property equivalent is expressly incorporated in the present invention by reference, and is covered by the claims.In addition, disclosed in this invention Any content is all not intended to is dedicated to announcing, regardless of whether such disclosure is expressly recited in the claims.Word " mould Block ", " mechanism ", " element ", " equipment " etc. cannot function as the substitution of word " device (means) ".In this way, without claim elements It is to be interpreted to add function for device, unless enunciating the element using phrase " device (means for) being used for ... ".

Claims (41)

1. a kind of wireless communications method of user equipment, comprising:

Downlink data packet is received, and determines server data stream associated with the downlink data packet；

Non-Access Stratum reflection service quality is extracted from the downlink data packet indicates indicator, Non-Access Stratum reflection clothes Server data stream is mapped to service quality stream by business quality instruction indicator instruction user equipment；

The service quality flow identifier for identifying the service quality stream is extracted from the downlink data packet；

In response to determining that the server data stream is not mapped to the service quality stream at the user equipment, generate the service data Stream is mapped to the first Non-Access Stratum mapping of the service quality stream；And

It is mapped according to first Non-Access Stratum, uplink associated with the server data stream is sent by the service quality stream Data grouping.

2. the method as described in claim 1, further includes:

In response to determining that the server data stream is not mapped to the service quality stream at the user equipment, remove the service data Stream is mapped to the second Non-Access Stratum mapping of different service quality stream.

3. the method as described in claim 1, further includes:

In response to determining that the server data stream is mapped to the service quality stream at the user equipment, the first Non-Access Stratum is maintained to reflect It penetrates.

4. the method as described in claim 1, which is characterized in that adaptively assisted from the service data of the downlink data packet Non-Access Stratum reflection service quality instruction indicator is extracted in view header.

5. a kind of device for wireless communications, comprising:

Processor and the memory devices for being couple to the processor, which includes instruction set, when the instruction set is by this When processor executes, so that the processor executes following operation:

Downlink data packet is received, and determines server data stream associated with the downlink data packet；

Non-Access Stratum reflection service quality is extracted from the downlink data packet indicates indicator, Non-Access Stratum reflection clothes Server data stream is mapped to service quality stream by business quality instruction indicator instruction user equipment；

The service quality flow identifier of mark service quality stream is extracted from the downlink data packet；

In response to determining that the server data stream is not mapped to the service quality stream at the user equipment, generate the service data Stream is mapped to the first Non-Access Stratum mapping of the service quality stream；And

It is mapped according to first Non-Access Stratum, uplink associated with the server data stream is sent by the service quality stream Data grouping.

6. device as claimed in claim 5, which is characterized in that the instruction set is also making the processing when executed by this processor Device is removed in response to determining that the server data stream is not mapped to the service quality stream at the user equipment by the server data stream It is mapped to the second Non-Access Stratum mapping of different service quality stream.

7. device as claimed in claim 5, which is characterized in that the instruction set is also making the processing when executed by this processor Device maintains first Non-Access Stratum in response to determining that the server data stream is mapped to the service quality stream at the user equipment Mapping.

8. a kind of wireless communications method of user equipment, comprising:

Downlink data packet is received, and determines server data stream associated with the downlink data packet；

Access layer reflection service quality is extracted from the downlink data packet and flows to data radio carrying and maps refers to Show symbol, which indicates that the service quality stream is mapped to data radio carrying by the user equipment；

The service quality flow identifier of mark service quality stream is extracted from the downlink data packet；

Determine the data radio carrying that the downlink data packet is received by it；

In response to determining that the service quality stream is not mapped to the carrying of the data radio at the user equipment, generate the service Quality stream is mapped to the first access layer mapping of data radio carrying；And

It is mapped according to first access layer, is carried by the data radio and send ul data packet.

9. method according to claim 8, further includes:

In response to determining that the service quality stream is not mapped to the carrying of the data radio at the user equipment, remove the service Quality stream is mapped to the second access layer mapping of different data radio bearer.

10. method according to claim 8, further includes:

In response to determining that the service quality stream is mapped to the carrying of the data radio at the user equipment, the first access layer is maintained Mapping.

11. method according to claim 8, which is characterized in that adaptive from the service data of the downlink data packet Reflection service quality is extracted in protocol header flows to data radio carrying mapping instruction indicator.

12. method according to claim 8, which is characterized in that adaptive from the service data of the downlink data packet Service quality flow identifier indicator is extracted in protocol header.

13. a kind of device for wireless communications, comprising:

Processor and the memory devices for being couple to the processor, which includes instruction set, when the instruction set is by this When processor executes, so that the processor executes following operation:

Downlink data packet is received, and determines server data stream associated with the downlink data packet；

Access layer reflection service quality is extracted from the downlink data packet and flows to data radio carrying and maps refers to Show symbol, which indicates that the service quality stream is mapped to data radio carrying by the user equipment；

The service quality flow identifier of mark service quality stream is extracted from the downlink data packet；

Determine the data radio carrying that the downlink data packet is received by it；

In response to determining that the service quality stream is not mapped to the carrying of the data radio at the user equipment, generate the service Quality stream is mapped to the first access layer mapping of data radio carrying；And

It is mapped according to first access layer, is carried by the data radio and send ul data packet.

14. device as claimed in claim 13, which is characterized in that the instruction set is also making at this when executed by this processor Reason device is removed in response to determining that the service quality stream is not mapped to the carrying of the data radio at the user equipment by the service Quality stream is mapped to the second access layer mapping of different data radio bearer.

15. device as claimed in claim 13, which is characterized in that the instruction set is also making at this when executed by this processor Reason device maintains the first access layer in response to determining that the service quality stream is mapped to the carrying of the data radio at the user equipment Mapping.

16. device as claimed in claim 13, which is characterized in that adaptive from the service data of the downlink data packet Reflection service quality is extracted in protocol header flows to data radio carrying mapping instruction indicator.

17. device as claimed in claim 13, which is characterized in that adaptive from the service data of the downlink data packet Service quality flow identifier indicator is extracted in protocol header.

18. a kind of wireless communications method of user equipment, which comprises

Determine whether service quality stream being remapped to the carrying of the second data radio from the carrying of the first data radio；

One or more data groupings are sent in response to determining still to carry by the first data radio, at this or more Setting terminates label in the final data grouping of a data grouping, this terminates to mark indicating predetermined by first data radio Carry the end of the multiple groupings associated with the service quality stream sent；And

Final data grouping is sent from the user equipment by first data radio carrying.

19. method as claimed in claim 18, which is characterized in that it includes the service in final data grouping that this, which terminates label, In data adaptive protocol header.

20. method as claimed in claim 18, further includes:

In response to determine there is no multiple data groupings associated with the service quality stream still will by first data without The carrying of line electricity is sent or first data radio carrying is released, and beginning label is arranged in the first data grouping, this is opened Beginning, label is indicating predetermined to carry the multiple groupings associated with the service quality stream sent by second data radio Start, first data grouping is associated with predetermined service quality stream sent by second data radio carrying；With And

It is carried by second data radio and sends first data grouping.

21. method as claimed in claim 18, which is characterized in that determine the service quality stream that remaps in the following manner:

Service quality flow identifier is received in downlink packets and access layer reflection service quality flows to data radio and holds Carry mapping instruction；And

Data radio carrying associated with the service quality stream is detected to have changed.

22. method as claimed in claim 18, which is characterized in that determine the service quality stream that remaps in the following manner:

Receive the Radio Resource Control message of radio bearer configuration；And

The data radio carrying mapping provided in the Radio Resource Control message is detected to hold with previous data radio It is different to carry mapping.

23. method as claimed in claim 18, further includes:

Receive the Radio Resource Control message of the configuration of instruction radio bearer；

Determine whether the service quality stream associated with data radio carrying needs to transmit in order；

It if necessary to deliver in order, then enables to terminate tagging mechanism, if you do not need to delivering in order, then disables end label Mechanism.

24. a kind of device for wireless communications, comprising:

Processor and the memory devices for being couple to the processor, which includes instruction set, when the instruction set is by this When processor executes, so that the processor executes following operation:

Determine whether service quality stream being remapped to the carrying of the second data radio from the carrying of the first data radio；

Send one or more data groupings in response to determining still to carry by first data radio, at this or Setting terminates label in the final data grouping of multiple data groupings, this terminates to mark indicating predetermined by the first data radio Carry the end of the multiple groupings associated with the service quality stream sent；And

Final data grouping is sent from the user equipment by first data radio carrying.

25. device as claimed in claim 24, which is characterized in that it includes the service in final data grouping that this, which terminates label, In data adaptive protocol header.

26. device as claimed in claim 24, which is characterized in that if the service quality stream needs to transmit in order, set Setting this terminates to mark.

27. device as claimed in claim 24, which is characterized in that described instruction collection also makes when being executed by the processor There is no multiple data groupings associated with the service quality stream still to pass through first number in determination for the processor response It is sent according to radio bearer or first data radio carrying is released, beginning label is set in the first data grouping, The beginning label is indicating predetermined to pass through the multiple points associated with the service quality stream of second data radio carrying transmission The beginning of group, first data grouping are related to predetermined service quality stream sent by second data radio carrying Connection；And

It is carried by second data radio and sends first data grouping.

28. device as claimed in claim 24, which is characterized in that the instruction set is making the processing when executed by this processor Device executes following operation and determines the service quality stream that remaps:

Service quality flow identifier is received in downlink packets and access layer reflection service quality flows to data radio and holds Carry mapping instruction；And

Data radio carrying associated with the service quality stream is detected to have changed.

29. device as claimed in claim 24, which is characterized in that the instruction set is making the processing when executed by this processor Device executes following operation and determines the service quality stream that remaps:

Receive the Radio Resource Control message of radio bearer configuration；And

The data radio carrying mapping provided in the Radio Resource Control message is detected to hold with previous data radio It is different to carry mapping.

30. device as claimed in claim 24, which is characterized in that the instruction set is at this also made when executed by this processor It manages device and executes following operation:

Receive the Radio Resource Control message of the configuration of instruction radio bearer；

Determine whether the service quality stream associated with data radio carrying needs to transmit in order；

If necessary to deliver in order, then enable to terminate tagging mechanism, if you do not need to delivering in order, then disabling this terminates to mark Note mechanism.

31. a kind of wireless communications method of base station, comprising:

Determine whether service quality stream needs to transmit in order；

One or more first data groupings associated with the service quality stream are received by the carrying of the first data radio, and One or more second data groupings associated with the service quality stream are received by the carrying of the second data radio；

Determine whether at least one of first data grouping of one or more includes being somebody's turn to do with the data grouping for terminating label Terminate the indicating predetermined multiple groupings associated with the service quality stream sent by first data radio carrying of label End；And

In response to determining that at least one of first data grouping of one or more includes with the data point for terminating label Group sends second data grouping of one or more to after sending upper layer for first data grouping of one or more The upper layer.

32. method as claimed in claim 31, further includes:

In response to determining that no one of first data grouping of one or more includes having to terminate tag header provided with this The data grouping of field inhibits to send the upper layer for second data grouping of one or more.

33. method as claimed in claim 32, further includes:

In response to determining that no one of first data grouping of one or more includes terminating data point of label with this Group determines whether at least one of second data grouping of one or more includes the data grouping with beginning label, should The indicating predetermined multiple groupings associated with service quality stream sent by the carrying of the second data radio of beginning label are opened Begin；And

In response to determining that at least one of second data grouping of one or more includes the data point with the beginning label Group stops inhibiting and after sending first data grouping of one or more on the upper layer by the one or more second number The upper layer is sent to according to grouping.

34. method as claimed in claim 33, which is characterized in that determine in second data grouping of one or more at least One whether include with the beginning label the data grouping include in second data grouping of one or more this extremely The beginning label is detected in few one service data self-adapted protocol header.

35. method as claimed in claim 31, which is characterized in that determine in first data grouping of one or more at least One whether include with this terminate label the data grouping include in first data grouping of one or more this extremely Detecting this in few one service data self-adapted protocol header terminates to mark.

36. a kind of device for wireless communications, comprising:

Processor and the memory devices for being couple to the processor, the memory devices include instruction set, when the instruction set by When managing device execution, so that the processor executes following operation:

One or more first data groupings associated with service quality stream are received by the carrying of the first data radio, and are led to It crosses the carrying of the second data radio and receives one or more second data groupings associated with the service quality stream；

Determine whether at least one of first data grouping of one or more includes being somebody's turn to do with the data grouping for terminating label Terminate the indicating predetermined multiple groupings associated with service quality stream sent by first data radio carrying of label Terminate；And

In response to determining that at least one of first data grouping of one or more includes the data grouping with end label, This is sent by second data grouping of one or more after sending upper layer for first data grouping of one or more Upper layer.

37. device as claimed in claim 36, which is characterized in that the instruction set when executed by this processor further such that The processor response in determine no one of first data grouping of one or more include have be provided with this terminate to mark The data grouping of header fields inhibits to send the upper layer for second data grouping of one or more.

38. device as claimed in claim 37, which is characterized in that be only confirmed as needs sequence in the service quality stream and transmit When just execute the inhibition.

39. device as claimed in claim 38, which is characterized in that described instruction collection also makes when being executed by the processor The processor executes following operation:

In response to determining that no one of first data grouping of one or more includes terminating the data grouping of label with this, Determine whether at least one of second data grouping of one or more includes the data grouping with beginning label, this starts Mark the beginning of the indicating predetermined multiple groupings associated with service quality stream sent by the carrying of the second data radio；With And

In response to determining that at least one of second data grouping of one or more includes the data point with the beginning label Group stops inhibiting and after sending first data grouping of one or more on the upper layer by the one or more second number The upper layer is sent to according to grouping.

40. device as claimed in claim 39, which is characterized in that the instruction set is making the processing when executed by this processor Device determines whether at least one of second data grouping of one or more includes the data grouping with the beginning label It should including detection in this at least one the service data self-adapted protocol header in second data grouping of one or more Beginning label.

41. device as claimed in claim 37, which is characterized in that the instruction set is making the processing when executed by this processor Device determines whether at least one of first data grouping of one or more includes the data grouping for terminating label with this It should including detection in this at least one the service data self-adapted protocol header in first data grouping of one or more Terminate label.