Detail of YD/T 3627-2019

Introduction of YD/T 3627-2019

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This part is one of the series standards for 5G digital cellular mobile telecommunication network — eMBB user equipment (Phase 1), which are composed of the following ones: a) YD/T 3627-2019 5G digital cellular mobile telecommunication network — Technical requirements of eMBB user equipment (Phase 1) b) 5G digital cellular mobile telecommunication network — Testing Methods of eMBB user equipment (Phase 1) As the technology develops, subsequent standards will be developed. This standard is developed in accordance with the rules given in GB/T 1.1-2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this standard shall not be held responsible for identifying any or all such patent rights. This standard was proposed by and is under the jurisdiction of China Communications Standards Association. Drafting units of this standard: China Academy of Information and Communications Technology (CAICT), China Mobile Communications Group Co., Ltd., China Telecom Group Co., Ltd., China United Network Communications Group Co., Ltd., Huawei Technologies Co., Ltd., Beijing Xiaomi Mobile Software Co., Ltd., Guangdong OPPO Mobile Communications Co., Ltd., Vivo Mobile Communications Co., Ltd., MediaTek Bodong Technology ( Beijing) Co., Ltd., Beijing Zhanxun Hi-Tech Communication Technology Co., Ltd., Zhongxing Telecom Equipment (ZTE) Corporation, Qualcomm Wireless Communication Technology (China) Co., Ltd., National Radio Monitoring Center Testing Center, Datang Telecom Technology Industry Group (Telecommunications Science and Technology Research Institute), Intel (China) Co., Ltd., Shanghai Nokia Bell Co., Ltd., Dingqiao Communication Technology Co., Ltd. and Beijing Samsung Communication Technology Research Co., Ltd.. Main drafters of this standard: Li Xing, Lu Songhe, Jin Chenguang, He Weijun, Zhang Nuoya, Zhou Jing, Shi Yu, Shen Li, Liu Yang, Yang Ning, Zhang Yuan (Vivo Mobile Communications Co., Ltd.), Wang Yunqi, Shi Yanshan, Ma Wei, Chen Shuping, Yuan Bo, Xing Yanping, Zhang Yuan (Intel (China) Co., Ltd.) and He Jing. 5G Digital Cellular Mobile Telecommunication Network — Technical Requirements of eMBB User Equipment (Phase 1) 1 Scope This standard specifies the transmission capability, service capability, basic protocol function, radio frequency, power consumption, interface, security and other requirements of 5G enhanced mobile broadband (eMBB) user equipment in the frequency band below 6GHz. This standard is applicable to 5G UEs facing Non-Stand Alone (NSA) and Stand Alone (SA) that support eMBB scenarios in the frequency band below 6GHz. 2 Normative References The following documents are normatively referenced in this document and are indispensable for its application. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced documents (including any amendments) applies. YD/T 2575-2016 Technical Requirements for User Equipment of TD-LTE Digital Cellular Mobile Telecommunications Network (Phase 1) YD/T 2577-2013 Technical Requirements for User Equipment of LTE FDD Digital Cellular Mobile Telecommunications Network (Phase 1) 3GPP TS 23.501 System Architecture for the 5G System (Release 15) 3GPP TS 24.301 Non-Access-Stratum (NAS) Protocol for Evolved Packet System (EPS); Stage 3 (Release 15) 3GPP TS 24.501 Non-Access-Stratum (NAS) Protocol for 5G System (5GS); Stage 3 (Release 15) 3GPP TS 36.201 Evolved Universal Terrestrial Radio Access (E-UTRA): LTE physical Layer; General description (Release 15) 3GPP TS 36.211 Evolved Universal Terrestrial Radio Access (E-UTRA): Physical Channels and Modulation (Release 15) 3GPP TS 36.212 Evolved Universal Terrestrial Radio Access (E-UTRA): Multiplexing and Channel Coding (Release 15) 3GPP TS 36.213 Evolved Universal Terrestrial Radio Access (E-UTRA): Physical Layer Procedures (Release 15) 3GPP TS 36.214 Evolved Universal Terrestrial Radio Access (E-UTRA): Physical Layer; Measurements (Release 15) 3GPP TS 36.300 Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN): Overall Description; Stage 2 (Release 15) 3GPP TS 36.302 Evolved Universal Terrestrial Radio Access (E-UTRA): Services Provided by the Physical Layer (Release 15) 3GPPTS 36.304 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Procedures in Idle Mode (Release 15) 3GPP TS 36.314 Evolved Universal Terrestrial Radio Access (E-UTRA): Layer 2-Measurements (Release 15) 3GPP TS 36.321 Evolved Universal Terrestrial Radio Access (E-UTRA): Medium Access Control (MAC) Protocol Specification (Release 15) 3GPP TS 36.322 Evolved Universal Terrestrial Radio Access (E-UTRA): Radio Link Control (RLC) Protocol Specification (Release 15) 3GPP TS 36.323 Evolved Universal Terrestrial Radio Access (E-UTRA); Packet Data Convergence Protocol (PDCP) Specification (Release 15) 3GPP TS 36.331 Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC): Protocol Specification (Release 15) 3GPP TS 37.324 Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Service Data Adaptation Protocol (SDAP) Specification (Release 15) 3GPP TS 37.340 Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage-2 (Release 15) 3GPP TS 38.101-1 NR; User Equipment (UE) Radio Transmission and Reception; Part 1: Range 1 Standalone (Release 15) 3GPP TS 38.101-3 NR; User Equipment (UE) Radio transmission and Reception; Part 3: Range 1 and Range 2 Interworking Operation with Other Radios (Release 15) 3GPPTS 38.201 NR; Physical Layer; General Description (Release 15) 3GPP TS 38.202 NR; Services Provided by the Physical Layer (Release 15) 3GPPTS 38.211 NR; Physical Channels and Modulation (Release 15) 3GPPTS 38.212 NR; Multiplexing and Channel Coding (Release 15) 3GPP TS 38.213 NR; Physical Layer Procedures for Control (Release 15) 3GPP TS 38.214 NR; Physical Layer procedures for data (Release 15) 3GPP TS 38.215 NR; Physical Layer measurements (Release 15) 3GPP TS 38.300 NR; Overall Description; Stage-2 (Release 15) 3GPP TS 38.304 NR; User Equipment (UE) Procedures in idle mode (Release 15) 3GPP TS 38.306 NR; User Equipment (UE) Radio Access Capabilities (Release 15) 3GPP TS 38.307 NR; Requirements on User Equipments (UEs) Supporting a Release-independent Frequency Band (Release 15) 3GPP TS 38.321 NR; Medium Access Control (MAC) protocol Specification (Release 15) 3GPP TS 38.322 NR; Radio Link Control (RLC)Protocol Specification (Release 15) 3GPP TS 38.323 NR; Packet Data Convergence Protocol (PDCP) Specification (Release 15) 3GPP TS 37.324 NR; Service Data Protocol (SDAP) Specification (Release 15) 3GPP TS 38.33l NR; Radio Resource Control (RRC): Protocol Specification (Release 15) 3GPP TS 38.401 NG-RAN; Architecture Description (Release 15) 3 Abbreviations For the purpose of this document, the following symbols and abbreviated terms apply. ACK: Acknowledgment AM: Acknowledgment Mode AMC: Adaptive Modulation and Coding ARQ: Automatic Repeat-request BBU: Base Band Unit BCCH: Broadcast Control Channel BCH: Broadcast Channel BER: Bit Error Ratio BLER: Block Error Ratio BIT/SK: Binary Phase Shift Keying CCCH: Common Control Channel CCE: Control Channel Element CMAS: Commercial Mobile Alert Service CP: Cyclic Prefix CPE: Customer Premise Equipment CQI: Channel Quality Indicator CRC: Cyclic Redundancy Check CSI: Channel State Information DCCH: Dedicated Control Channel DCI: Downlink Control Information DFT-S-OFDMDFT-Spread OFDMDFT DL: Downlink DL-SCH: Downlink Shared Channel DRX: Discontinuous Reception DTX: Discontinuous Transmission eNodeB (eNB): Evolved NodeBLTE EPC: Evolved Packet Core network EWTS: Earthquake and Tsunami Warning System GBR: Guaranteed Bit Rate GP: Guard Period GPS: Global Positioning System HARQ: Hybrid Automatic Repeat-request IR: Incremental Redundancy LTE: Long Term Evolution MAC: Media Access Control MCS: Modulation and Coding Scheme MIB: Master Information Block MiFi: Mobile Wi-Fi Hotspot MIMO: Multiple Input Multiple Output NACK: Negative Acknowledgment NSA: Non-Standalone OFDMA: Orthogonal Frequency Division Multiple Access PBCH: Physical Broadcast Channel PCCH: Paging Control Channel PCH: Paging Channel PDCCH: Physical Downlink Control Channel PDCP: Packet Data Convergence Protocol PDSCH: Physical Downlink Shared Channel PDU: Packet Data Unit PHY: Physical Layer PLMN: Public Lands Mobile Network PMI: Precoding matrix indicator PRACH: Physical Random Access Channel PRB: Physical Resource Block PUCCH: Physical Uplink Control Channel PUSCH: Physical Uplink Shared Channel PSS: Primary Synchronization Signal QAM: Quadrature Amplitude Modulation QPSK: Quaternary Phase Shift Keying RACH: Random Access Channel RAT: Radio Access Technology RB: Radio Bearer REG: RE Group RI: Rank Indicator RLC: Radio Link Control RNTI: Random Access Radio Network Temporary Identifier ROHC: Robust Header Compression RRC: Radio Resource Control RRU: Radio Remote Unit RS: Reference Signal RSRP: RS Receiving Power RSRQRS: Received Quality RS RV: Redundancy Version SA: Standalone SC-FDMA: Single Carrier FDMA SCH: Synchronization Channel SDU: Service Data Unit SIB: System Information Block SRS: Sounding Reference Signal SSS: Secondary Synchronization Signal SUL: Supplementary Uplink TA: Timing Advance TDD: Time Division Duplex TM: Transparent Mode TPC: Transmit Power Control TTI: Transmission Time Interval UCI: Uplink Control Information UE: User Equipment UL: Uplink UL-SCH: Uplink Shared Channel UM: Un-acknowledgment Mode UTC: Coordinated Universal Time URSP: UE Route Selection Policy VoIMS: Voice Over IMS VoLTE: Voice Over LTE 4 General 4.1 Classification of User Equipment (UE) According to the size and application range, user equipment (UE) may be roughly classified as follows: ——Voice data type: such UE (e.g., hand-held user equipment) can support circuit domain (or packet domain) voice services as well as packet domain bearer services; ——Data type: such UE (e.g., Wi-Fi, data card and central processing element (CPE)) dose not support CS domain voice services but packet domain bearer services. 4.2 Power Class of UE The power class of UE is defined according to the maximum output power of all cellular antennas, as shown in Table 1.  Table 1 Power Class of UE Power class Max. output power Requirement 2 +26 dBm Mandatory for SA operating mode 3 +23dBm Mandatory for NSA operating mode 4.3 Stand Alone (SA) Operating Mode SA Mode shall support Option 2. In this mode, the UE accesses the 5G base station (gNB) connected to the 5G core network through the NR air interface. The networking architecture diagram of Option 2 is shown in Figure 1. Figure 1 Schematic Diagram of Option 2 Networking Architecture 4.4 Non-Stand Alone (NSA) Operating Mode NSA mode shall support Option 3a and Option 3x, as shown in Figure 2. In this mode, the UE accesses the 4G base station (eNB) and the 5G base station (gNB) connected to the 4G core network through LTE air interface and NR air interface, in which the 4G base station is the main station (MN) and the 5G base station is the auxiliary station.  Figure 2 Schematic Diagram of Option 3a/3x Networking Architecture 5 Capacity Requirements for UE 5.1 Transmission Capability of UE 5.1.1 SA Operating mode According to the uplink capability configuration, UE in SA operating mode may be divided into two types: ——Type 1 UE: support uplink single transmission, SRS in-turn transmission 1T2R, HPUE (single antenna 26dBm) and uplink 256QAM modulation; ——Type 2 UE: support uplink dual transmission, SRS in-turn transmission 2T4R, HPUE (dual antenna 23 + 23dBm) and uplink 256QAM modulation. The transmission capability of Type 1 UE in SA operating mode shall meet the requirements of Table 2. Table 2 Transmission Capability Requirements of Type 1 UE in SA Operating Mode NR key parameters Requirements Downlink Downlink waveform CP-OFDM Max. carrier bandwidth 100 MHz Downlink subcarrier spacing 15kHz (at access), 30kHz (at service) Downlink MIMO transmission Transmission of layers 1, 2 and 4 demodulation reference signal (DMRS) signal Type 1 Additional DMRS for high-speed moving scenes 1/2 additional DMRS, mandatory 3 additional DMRS, optional Downlink CQFRI/PMI/CRI measurement of CSI-RS Port 4, Port 8 and Port 16 Downlink modulation scheme QPSK, 16QAM, 64QAM and 256QAM PDSCH mapping type Type A, Type B Allocation method for PDSCH frequency domain resource Type 0 (discontinuous allocation), Type 1 (continuous allocation) Uplink Uplink waveform CP-OFDM, DFT-S-OFDM Uplink subcarrier spacing 30kHz Uplink SIMO transmission Layer 1 transmission Demodulation reference signal (DMRS) signal Type 1, Type 2 Downlink transmission mode Codebook-based transmission mode Uplink modulation scheme QPSK, 16QAM, 64QAM and 256QAM Allocation method for PUSCH frequency domain resource Type 1 (continuous allocation) PUSCH mapping type Type A, Type B SRS transmission Port 1 SRS antenna handover 1T2R in-turn transmission, mandatory 1T4R in-turn transmission, optional Downlink peak rate The calculation is conducted according to the maximum downlink 4-layer MIMO, the maximum downlink 256QAM modulation, the maximum carrier bandwidth of 100 MHz and the carrier spacing of 30kHz: · For 5 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s. · For 2.5 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.485 Gbit/s · For 3 ms + 2 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s · For 1 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.17 Gbit/s · For 2.5 ms single-period (3U1D) frame structure, the theoretical downlink peak value of single carrier is 0.78 Gbit/s · For 2.5 ms single-period (1U3D) frame structure, the theoretical downlink peak value of single carrier is 1.72 Gbit/s See 6.1.1.3 for the definition of frame structure Uplink peak rate The calculation is conducted according to the maximum uplink 1-layer SIMO transmission, the maximum carrier bandwidth of 100 MHz and the carrier spacing of 30 kHz of the UE: · For 5 ms single-period frame structure, the theoretical uplink peak of single carrier is 95Mbit/s (64QAM) or 127 Mbit/s (256QAM). · For 2.5 ms dual-period frame structure, the theoretical uplink peak of single carrier is 143Mbit/s (64QAM) or 190 Mbit/s (256QAM) · For 3 ms + 2 ms dual-period frame structure, the theoretical uplink peak value of single carrier is 95 Mbit/s (64QAM) or 127 Mbit/s (256QAM). · For 1 ms single-period frame structure, the theoretical uplink peak value of single carrier is 203Mbit/s (64QAM) or 270Mbit/s (256QAM) · For 2.5 ms single-period (3U1D) frame structure, the theoretical uplink peak of single carrier is 285 Mbit/s (64QAM) or 380 Mbit/s (256QAM). · For 2.5 ms single-period (1U3D) frame structure, the theoretical uplink peak of single carrier is 95 Mbit/s (64QAM) or 127 Mbit/s (256QAM) The frame structure is defined in 6.1.1.3 The transmission capability of the type 2 UE in SA operating mode shall meets the requirements listed in Table 3. Table 3 Transmission Capability Requirements of Type 2 UE In SA Operating Mode NR Key Parameters Requirements Downlink Downlink waveform CP-OFDM Maximum carrier bandwidth 100 MHz Downlink subcarrier spacing 15kHz (at access), 30kHz (at service) Downlink MIMO transmission Transmission of layers 1, 2 and 4 Demodulation reference signal (DMRS) signal Type 1 Additional DMRS for high-speed moving scenes 1/2 additional DMRS, mandatory 3 additional DMRS, optional CQI/RI/PMI/CRI measurement of CSI-RS Port 4, Port 8 and Port 16 Downlink modulation scheme QPSK, 16QAM, 64QAM and 256QAM PDSCH mapping Type Type A, Type B Allocation method for PDSCH frequency domain resource Type 0 (discontinuous allocation), Type 1 (continuous allocation) Uplink Uplink waveform CP-OFDM，DFT-S-OFDM Downlink subcarrier spacing 30kHz Uplink MIMO transmission Transmission of layers 1 and 2 Demodulation reference signal (DMRS) signal Type 1, Type 2 Downlink transmission mode Codebook-based transmission mode Uplink modulation scheme QPSK, 16QAM, 64QAM and 256QAM Allocation method for PUSCH frequency domain resource Type 1 (continuous allocation) PUSCH mapping type Type A, Type B SRS transmission Port 1 and Port 2 SRS antenna handover 2T4R in-turn transmission Downlink peak rate The calculation is conducted according to the maximum downlink 4-layer MIMO, the maximum downlink 256QAM modulation, the maximum carrier bandwidth of 100 MHz and the carrier spacing of 30kHz: · For 5 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s · For 2.5 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.485 Gbit/s · For 3 ms + 2 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s. · For 1 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.17 Gbit/s · For 2.5 ms single-period (3U1D) frame structure, the theoretical downlink peak value of single carrier is 0.78 Gbit/s · For 2.5 ms single-period (1U3D) frame structure, the theoretical downlink peak value of single carrier is 1.72 Gbit/s The frame structure is defined in 6.1.1.3 Uplink peak rate The calculation is conducted according to the maximum uplink 2-layer MIMO, maximum carrier bandwidth of 100 MHz and carrier spacing of 30kHz of the UE: · For 5 ms single-period frame structure, the theoretical uplink peak value of single carrier is 190Mbit/s (64QAM) or 253Mbit/s (256QAM) · For 2.5 ms dual-period frame structure, the theoretical uplink peak of single carrier is 285Mbit/s (64QAM) or 380Mbit/s (256QAM) · For 3 ms + 2 ms dual-period frame structure, the theoretical uplink peak value of single carrier is 190Mbit/s (64QAM) or 253Mbit/s (256QAM) · For 1 ms single-period frame structure, the theoretical uplink peak value of single carrier is 405Mbit/s (64QAM) or 540Mbit/s (256QAM) · For 2.5 ms single-period (3U1D) frame structure, the theoretical uplink peak value of single carrier is 571Mbit/s (64QAM) or 760Mbit/s (256QAM) · For 2.5 ms single-period (1U3D) frame structure, the theoretical uplink peak value of single carrier is 190Mbit/s (64QAM) or 253Mbit/s (256QAM) The frame structure is defined in 6.1.1.3 5.1.2 SA operating mode The UE adopts EN-DC dual connectivity in NSA operating mode. When its NR connection supports uplink single antenna transmission and downlink four antenna reception, the transmission capacity of this type of UE shall meet the requirements of Table 4. Table 4 Transmission Capability Requirements of UE for NR Single Transmission and Four Reception (1T4R) in EN-DC Dual Connectivity Mode NR Key Parameters Requirements Downlink Downlink waveform CP-OFDM Maximum carrier bandwidth 100 MHz Downlink subcarrier spacing 15kHz (at access), 30kHz (at service) Downlink MIMO transmission Transmission of layers 1, 2 and 4 Demodulation reference signal (DMRS) signal Type 1 Additional DMRS for high-speed moving scenes 1/2 additional DMRS, mandatory 3 additional DMRS, optional CQI/RI/PMI/CRI measurement of CSI-RS Port 4, Port 8 and Port 16 Downlink modulation scheme QPSK, 16QAM, 64QAM and 256QAM PDSCH mapping Type Type A, Type B Allocation method for PDSCH frequency domain resource Type 0 (discontinuous allocation), Type 1 (continuous allocation) Uplink Uplink waveform CP-OFDM，DFT-S-OFDM Downlink subcarrier spacing 30kHz Uplink SIMO transmission Layer 1 transmission Uplink LTE and NR shunting Support shunting Demodulation reference signal (DMRS) signal Type 1, Type2 Downlink transmission mode Codebook-based transmission mode Uplink modulation scheme QPSK, 16QAM, 64QAM and 256QAM Uplink Allocation method for PUSCH frequency domain resource Type 1 (continuous allocation) PUSCH mapping type Type A, Type B NR SRS transmission Port 1 NR SRS antenna handover 1T2R in-turn transmission, mandatory 1T4R in-turn transmission, optional Downlink peak rate The calculation is conducted according to the maximum downlink 4-layer MIMO, the maximum downlink 256QAM modulation, the maximum carrier bandwidth of 100 MHz and the carrier spacing of 30kHz of UE NR connection: · For 5 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s · For 2.5 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.485 Gbit/s · For 3 ms + 2 ms dual-period frame structure, the theoretical downlink peak value of single carrier is 1.745 Gbit/s. · For 1 ms single-period frame structure, the theoretical downlink peak value of single carrier is 1.17 Gbit/s · For 2.5 ms single-period (3U1D) frame structure, the theoretical downlink peak value of single carrier is 0.78 Gbit/s · For 2.5 ms single-period (1U3D) frame structure, the theoretical downlink peak value of single carrier is 1.72 Gbit/s See 6.1.1.3 for the definition of frame structure The transmission capability of LTE connection shall meet the requirements of its LTE UE category Uplink peak rate The calculation is conducted according the maximum uplink 1-layer SIMO transmission, the maximum carrier bandwidth of 100 MHz, and the carrier spacing of 30 kHz of UE NR connection: · For 5 ms single-period frame structure, the theoretical uplink peak value of single carrier is 95Mbit/s (64QAM) or 127Mbit/s (256QAM) · For 2.5 ms dual-period frame structure, the theoretical uplink peak of single carrier is 143Mbit/s (64QAM) or 190 Mbit/s (256QAM) · For 3 ms + 2 ms dual-period frame structure, the theoretical uplink peak value of single carrier is 95 Mbit/s (64QAM) or 127 Mbit/s (256QAM). · For 1 ms single-period frame structure, the theoretical uplink peak value of single carrier is 203Mbit/s (64QAM) or 270Mbit/s (256QAM) · For 2.5 ms single-period (3U1D) frame structure, the theoretical uplink peak value of single carrier is 285Mbit/s (64QAM) or 380Mbit/s (256QAM) · For 2.5 ms single-period (1U3D) frame structure, the theoretical uplink peak value of single carrier is 95Mbit/s (64QAM) or 127Mbit/s (256QAM) The transmission capability of LTE connection shall meet the requirements of its LTE UE category 5.2 Service Capabilities of UE 5.2.1 SA operating mode UE supports the following service types, and the corresponding 5QI is shown in Table 5. Table 5 Service Type Requirements of UE in SA Mode Service type Requirements Description Conversational voice (VoNR) Optional 5QI 1 (GBR) Conversational video (ViNR) Optional 5QI 2(GBR) Living game or V2X message Optional 5QI 3(GBR) Non-conversational video Optional 5QI 4(GBR) IMS signaling Mandatory 5QI 5 (non-GBR) Buffered video stream Mandatory 5QI 6(non-GBR) Voice, video and interactive games Optional 5QI 7(non-GBR) TCP-based data service Mandatory 5QI 8(non-GBR) Progressive image video and shared data services Mandatory 5QI 9(non-GBR) If voice service is supported in SA mode, the UE shall support the following functions: a) EPS Fallback support is mandatory, and VoLTE service is established in LTE cell; b) VoNR support is optional, that is, VoIMS voice service is borne on 5G NR. 5.2.2 NSA operating mode The UE supports the following service types, and corresponding QCI is shown in Table 6.  Table 6 Service Type Requirements of UE in NSA Mode Service type Requirements Description Conversational voice (VoLTE) Mandatory QCI 1 (GBR) Conversational video (ViLTE) Optional QCI 2(GBR) PS domain conversational video Mandatory QCI 3(GBR) Stream Optional QCI 4(GBR) IMS signaling Mandatory QCI 5 (non-GBR) Interactive games Mandatory QCI 6(non-GBR) Interactive TCP Optional QCI 7(non-GBR) Preferred large size TCP data Mandatory QCI 8(non-GBR) Best effort large size TCP data Mandatory QCI 9(non-GBR) In EN-DC dual connectivity mode, voice services are carried by LTE, and the UE shall support VoLTE and CSFB voice schemes. 5.3 Support IPv4 and IPv6 The UE shall provide comprehensive support for IPv6. Specific requirements include: supporting PDN/PDP Types such as IPv4, IPv6 and IPv4v6 in SA and NSA modes; and support IPv4, IPv6 header compression function. 5.4 Support SA and NSA modes The UE shall support both SA and NSA operating modes by default. The UE can log in to SA or NSA network to work according to the actual network deployment and the 4G/5G interoperability strategy of the network. 6 Basic Functional Requirements on Physical Layer 6.1 SA Operating Mode 6.1.1 Parameter set and frame structure 6.1.1.1 Parameter set The UE supports the OFDM parameter requirements of Table 7.  Table 7 OFDM Parameter Requirements μ Δf=2μ·15[kHz] CP length Requirements 0 15 Conventional length CP · Mandatory for initial access; Optional for data services 1 30 Conventional length CP Mandatory 2 60 Conventional length CP Optional The UE shall support the time slot symbol configuration of Table 8. Table 8 Number of OFDM Symbol(s) Contained in Each Time Slot (for Conventional CP) μ Number of symbols in each time slot ( ) The number of time slots in each frame ( ) The number of time slots in each subframe ( ) Requirements 0 14 10 1 Optional 1 14 20 2 Mandatory 2 14 40 4 Optional 6.1.1.2 Signal waveform The UE shall support the NR signal waveform requirements of Table 9. Table 9 NR Signal Waveform Requirements Signal waveform Requirements Description Uplink Mandatory Support CP-OFDM waveform Mandatory Support DFT-S-OFDM waveform Downlink Mandatory Support CP-OFDM waveform 6.1.1.3 Frame structure The UE shall support the frame structure requirements of Table 10.

Contents of YD/T 3627-2019

Foreword i 1 Scope 2 Normative References 3 Abbreviations 4 General 4.1 Classification of User Equipment (UE) 4.2 Power Class of UE 4.3 Stand Alone (SA) Operating Mode 4.4 Non-Stand Alone (NSA) Operating Mode 5 Capacity Requirements for UE 5.1 Transmission Capability of UE 5.2 Service Capabilities of UE 5.3 Support IPv4 and IPv 5.4 Support SA and NSA modes 6 Basic Functional Requirements on Physical Layer 6.1 SA Operating Mode 6.2 NSA Operating Mode 7 Basic Functional Requirements for Layer 7.1 SA Operating Mode 7.2 NSA Operating Mode 8 Basic Functional Requirements of RRC Layer 8.1 SA Operating Mode 8.2 NSA Operating Mode 9 Requirements for the NAS Layer Basic Function 9.1 SA Operating Mode 9.2 NSA Operating Mode 10 Requirements for RF Indexes 10.1 Working Band of NR 10.2 Channel Bandwidth of NR 10.3 NR Channel Spacing 10.4 NR Channel Raster 10.5 NR Synchronization Raster 10.6 Index Requirements for SA Mode Transmitter 10.7 Index Requirements for SA Mode Receiver 10.8 Requirements for Radio Frequency of EN-DC Devices 11 Uplink Enhancement (Optional) 11.1 Basic Functions of Uplink Spectrum Sharing 11.2 Uplink Spectrum Sharing in EN-DC Scenarios 12 5G Network Identity Display Requirements in NSA Mode 13 Requirements for Power Consumption 14 Requirements for Interface 14.1 NR Uu Interface Requirements 14.2 LTE Uu Interface Requirements 14.3 USIM-ME Interface Requirements 15 Safety Requirements 15.1 Safety Requirements for SA Mode 15.2 Safety Requirements for NSA Mode