Detail of YD/T 2575-2016

Introduction of YD/T 2575-2016

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 standard is one of the series standards for user equipment of TD-LTE digital cellular mobile telecommunication network (Phase 1). Names and structures of this series of standards are as follows: a) YD/T 2575 Technical Requirements for User Equipment of TD-LTE Digital Cellular Mobile Telecommunications Network (Phase 1); b) Test Method for User Equipment of TD-LTE Digital Cellular Mobile Telecommunication Network (Phase 1) ——Part 1: Basic Functions, Services and Reliability Test; ——Part 2: Radio Transmission and Reception Performance Test; ——Part 3: Radio Resource Management Performance Test; ——Part 4: Protocol Conformance Test; ——Part 5: Network Compatibility Test. With the development of technology, subsequent relevant standards will be developed. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces YD/T 2575-2013 Technical Requirements for User Equipment of TD-LTE Digital Cellular Mobile Telecommunications Network (Phase 1). The following main changes have been made with respect to the YD/T 2575-2013: ——The mutual identification requirements for MFBI band have been added (see 7.4.1.14); ——The frequency range of band 41 has been added (see 8.1.5); ——The requirements for limits of spurious emission band 41 co-existence have been added (see 8.2.5.4.3); ——The reference sensitivity requirements for band 41 have been added (see 8.3.3); ——The reference sensitivity uplink configuration for band 41 has been added (see 8.3.3); ——The in-band blocking requirements of band 41 have been added. The interference of example 3 of in-band blocking in other frequency bands has been changed from -30 to -38, and the requirement for example 4 has been deleted (see 8.3.6.2); ——The out-of-band blocking requirements for band 41 have been added (see 8.3.6.3); ——The threshold requirements for detectable RSRP Ês/Iot, SCH_RP and SCH Ês/Iot in band 41 cell have been added (see 8.6.1.2.3, 8.6.1.2.4, 8.6.5.3.2, 8.6.5.3.3, 8.6.5.3.4, 8.6.5.4.2 and 8.6.5.4.3); ——The absolute accuracy requirements for RSRP intra-frequency measurement of band 41 have been added (see 8.6.6.1.1.1); ——The relative accuracy requirements for RSRP intra-frequency measurement of band 41 have been added (see 8.6. 6.1.1.2); ——The absolute accuracy requirements for RSRP inter-frequency measurement of band 41 have been added (see 8.6. 6.1.2.1); ——The relative accuracy requirements for RSRP inter-frequency measurement of band 41 have been added (see 8.6.6.1.2.2); ——The absolute accuracy requirements for RSRQ intra-frequency measurement of band 41 have been added (see 8.6.6.2.1.1); ——The relative accuracy requirements for RSRQ intra-frequency measurement of band 41 have been added (see 8.6.6.2.1.2); ——The absolute accuracy requirements for RSRQ inter-frequency measurement of band 41 have been added (see 8.6.6.2.2.1); ——The relative accuracy requirements for RSRQ inter-frequency measurement of band 41 have been added (see 8.6.6.2.2.2); 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 document 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 organizations of this standard: China Academy of Information and Communications Technology, China Mobile Communications Corporation, State Radio Monitoring Center, Datang Telecom Technology & Industry Group, Huawei Technologies Co., Ltd., ZTE Corporation, Beijing Zhanxun High-Tech Communication Technology Co., Ltd., Nokia Communication Co., Ltd., Tianjin Samsung Telecom Technology Co., Ltd., MediaTek (Beijing) Inc. and Beijing StarPoint Communication Software Co., Ltd. Chief drafters of this standard: Duo Hao, Liu Zhen, Yang Peng, Guo Gan, Li Bo, Jin Chenguang, Xu Qiaochun, Zhao Rong, Liu Haitao, Wang Yuxia, Shi Yanshan, Li Fang, Zhou Juejia, Wu Yue, Fu Yikang, Zhao Can. This standard was first issued in July 2013, and is revised for the first time. Technical Requirements for User Equipment of TD-LTE Digital Cellular Mobile Telecommunication Network (Phase 1) 1 Scope This standard specifies the requirements for function and performance, power consumption, interface, reliability, electromagnetic compatibility, specific absorption rate, battery and charger, etc. of user equipment (UE) of TD-LTE digital cellular mobile telecommunication network in data services. This standard is applicable to all user equipment of TD-LTE digital cellular mobile telecommunication network in Phase 1. 2 Normative References The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB 2312-1980 Code of Chinese Graphic Character Set for Information Interchange — Primary Set GB 4943.1 Information Technology Equipment — Safety — Part 1: General Requirements GB/T 18287 General Specification of Lithium-Ion Cells and Batteries for Mobile Phone GB/T 18288 General Specification of Nickel-Metal Hydride Battery for Cellular Phone GB/T 18289 General Specification of Nickel-Cadmium Battery for Cellular Phone YD 1268.1 The Safety Specification and Test Method for Lithium Batteries YD 1268.2 The Safety Specification and Test Method for Lithium Chargers YD/T 1539 Technical Requirements and Testing Methods for Reliability of Mobile Telecommunication Handset YD/T 1591 Technical Requirements and Test Method for Power Adapter and Charging/Data Port of Mobile Telecommunication Terminal Equipment YD/T 2558-2013 Technical Requirement for Safety of LTE Terminal and Network Equipment Based on ZUC YD/T 2560-2013 TD-LTE Digital Cellular Mobile Communication Network — Uu Interface Physical Layer Technical Requirement (Phase 1) (All Parts) YD/T 2561-2013 TD-LTE Digital Cellular Mobile Telecommunication Network Technical Requirement for Uu Interface Layer Two (Phase 1) YD/T 2562-2013 TD-LTE Digital Cellular Mobile Telecommunication Network Technical Requirement for Uu Interface Layer Three (Phase 1) (All Parts) YD/T 2581-2013 LTE Digital Cellular Mobile Telecommunication Network Technical Requirements for UICC-ME(Cu)Interface (All Parts) YD/T 2583.14 Requirements and Measurement Methods of Electromagnetic Compatibility for Cellular Mobile Telecommunications Equipment — Part 14: LTE User Equipment and Ancillary Equipment 3GPP TS 24.301 Non-Access-Stratum (NAS) Protocol for Evolved Packet System (EPS); Stage 3 3GPP TS 36.101 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Radio Transmission and Reception 3GPP TS 36.201 Evolved Universal Terrestrial Radio Access (E-UTRA); LTE Physical Layer; General Description 3GPP TS 36.211 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation 3GPP TS 36.212 Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing and Channel Coding 3GPP TS 36.213 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer Procedures 3GPP TS 36.214 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer; Measurements 3GPP TS 36.300 Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 3GPP TS 36.302 Evolved Universal Terrestrial Radio Access (E-UTRA); Services Provided by the Physical Layer 3GPP TS 36.304 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Procedures in Idle Mode 3GPP TS 36.306 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Radio Access Capabilities 3GPP TS 36.321 Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Control (MAC) Protocol Specification 3GPP TS 36.322 Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Link Control (RLC) Protocol Specification 3GPP TS 36.323 Evolved Universal Terrestrial Radio Access (E-UTRA); Packet Data Convergence Protocol (PDCP) Specification 3GPP TS 36.331 Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol Specification 3 Terms, Definitions and Abbreviations 3.1 Terms and Definitions For the purposes of this standard, the following term and definition apply. 3.1.1 Terminal Equipment whole equipment interacting with the radio access subsystem, which is identical to UE, unless otherwise stated 3.2 Abbreviations For the purposes of this standard, the following abbreviations apply. ACK Acknowledgment ACLR Adjacent Channel Leakage Ratio ACS Adjacent Channel Selectivity AM Acknowledged Mode A-MPR Additional Max Power Reduction ANR Automatic Neighbor Relation ARQ Automatic Repeat-Request AWGN Additive White Gaussian Noise BCCH Broadcast Control Channel BCH Broadcast Channel BLER Block Error Rate BPSK Binary Phase Shift Keying BSR Buffer Status Report BW Band Width C_RNTI Cell Radio Network Temporary Identifier CCCH Common Control Channel CCE Control Channel Element CDD Cycle Time Delay Diversity CGI Cell Group Identity CM Connection Management CP Cyclic Prefix CQI Channel Quality Indicator CSG Closed Subscriber Group CSI Channel State Information CW Continuous Wave DCCH Dedicated Control Channel DCI Downlink Control Information DL-SCH Downlink Shared Channel DRB Data Radio Bearer DRS Dedicated Reference Signal DRX Discontinuous Reception DTCH Dedicated Traffic Channel DTX Discontinuous Transmit DwPTS Downlink Pilot Timeslot EARFCN E-UTRA Absolute Radio Frequency Channel Number EMM EPS Mobility Management EPS Evolved Packet System ESM EPS Session Management ETWS Earthquake And Tsunami Warning System E-UTRA EvolvedUTRA E-UTRAN EvolvedUTRAN EVM Error Vector Magnitude FSTD Frequency Switch Transmit Diversity GUTI Globally Unique Temporary UE Identity HARQ Hybrid Automatic Repeat Request ID Identity IDFT Inverse Discrete Fourier Transform IMEI International Mobile Equipment Identity IMSI International Mobile Subscriber Identification Number IP Internet Protocol MAC Medium Access Control MBW Measurement Band Width MCS Modulation and Coding Scheme ME Mobile Equipment MIB Master Information Block MIMO Multi-input Multi-output MPR Max Power Reduction MT Mobile Terminal NACK Negative Acknowledgement NAS Non Access Stratum OCNG OFDMA Channel Noise Generator OFDMA Orthogonal Frequency Division Multiplexing Access PA Power Amplifier PBCH Physical Broadcast Channel PCCH Paging Control Channel PCFICH Physical Control Format Indicator Channel PCH Paging Channel PDA Personal Digital Assistant PDCCH Physical Downlink Control Channel PDCP Packet Data Convergence Protocol PDN Public Data Network PDSCH Physical Downlink Shared Channel PDU Protocol Data Unit PHICH Physical HARQ Indicator Channel PHR Power Headroom Report PLMN Public Land Mobile Network PMI Precoding Matrix Indicator PPM Part per Million PRACH Physical Random Access Channel PRB Physical Resource Block PSS Primary Synchronization Signal PUCCH Physical Uplink Control Channel PUSCH Physical Uplink Shared Channel QAM Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying RACH Random Access Channel RAT Radio Access Technology RB Resource Block RE Resource Element RF Radio Frequency RI Rank Indicator RLC Radio Link Control ROHC Robust Header Compression RRC Radio Resource Control RS Reference Signal RSRP Reference Signal Receiving Power RSRQ Reference Signal Receiving Quality SC-FDMA Single Carrier Frequency Division Multiple Access SDU Service Data Unit SF Subframe SFBC Space Frequency Block Code SIB System Information Block SM Session Management SMS Short Messaging Service SN Sequence Number SNR Signal to Noise Ratio SRB Signalling Radio Bearer SRS Sounding Reference Signal SSS Secondary Synchronization Signal TA Timing Advance TB Transport Block TBS Transport Block Size TDD Time Division Duplexing TE Terminal Equipment TM Transparent Mode TMSI Temporary Mobile Subscriber Identity TPC Transmit Power Control TTI Transmission Time Interval Tx Transmit UCI Uplink Control Information UE User Equipment UL Uplink UL-SCH Uplink Shared Channel UM Unacknowledged Mode UpPTS Uplink Pilot Timeslot USB Universal Serial BUS USIM Universal Subscriber Identity Module UTRA Universal Telecommunication Radio Access 4 Overview Figure 1 Logical Structure Diagram of TD-LTE Terminal Equipment TD-LTE terminal equipment, also known as user equipment (UE), may be classified into various types based on their purposes and functions. The terminal shall provide corresponding compatibility interfaces according to the different connected equipment, such as the air interface and USB interface between the TD-LTE terminal and the TD-LTE network equipment. Terminal equipment shall include ME capable of sending and receiving wireless signals, baseband processing and running high-level applications, and a detachable smart card USIM capable of saving data, programs and secure identification. ME and USIM shall be connected by standard Cu interface. ME can be further divided into smaller unit equipment logically, i.e. the MT responsible for wireless reception and transmission and related functions and the TE responsible for running end-to-end high-level applications. The MT and the TE can be connected through various physical means (wired or wireless). In the TD-LTE logical structure diagram shown in Figure 2, the TE is connected to the base station equipment system through the TD-LTE air interface (Uu interface), and communicates with the core network (CN) through the base station equipment system, thereby completing the entire end-to-end service connection. 核心网 Core network Figure 2 The Position of the UE in the Logical Structure of the TD-LTE System LTE Phase 1 terminals may follow 3GPP R8 or R9 versions in terms of the version of air interface protocol stack. The R8 version terminal mentioned in the subsequent text refers to the LTE terminal that follows the 3GPP R8 version protocol stack; the R9 version terminal refers to the LTE terminal that follows the 3GPP R9 version protocol stack. 5 UE Classification and Power Class 5.1 Classification of UE According to the size and application range of terminals, UE can be roughly classified as follows: ——Handheld station: equipment of small size and suitable for hand-held, capable of independently supporting TD-LTE packet domain bearer services; ——Data card: equipment that cannot be used independently and needs to be connected to other equipment such as laptops or PDAs to support TD-LTE packet domain bearer services; ——Other UE: equipment not included in the above types that can be used independently or in combination with other equipment and support TD-LTE packet domain bearer services. 5.2 Power Class of UE The power class of the UE is defined in terms of maximum power output. There is only one class for UE based on the power class, as shown in Table 1. Table 1 Power Class of UE Power class Max. output power Tolerance 3 +23 dBm +2 dB/-2 dB 5.3 UE Transmission Capability Level According to the uplink and downlink transmission capability of the UE, the UE can be divided into five transmission capability levels as listed in Table 2 and Table 3. Table 2 Description of UE Downlink Service Capability Level UE level The number of DL-SCH transport block bits that can be received per TTI The bit number of each DL-SCH transport block that can be received per TTI The number of bits of the soft channel The maximum number of layers supported by downlink space-time multiplexing Level 1 10296 10296 250368 1 Level 2 51024 51024 1237248 2 Level 3 102048 75376 1237248 2 Level 4 150752 75376 1827072 2 Level 5 299552 149776 3667200 4 Table 3 Description of UE Uplink Service Capability Level UE grade The number of UL-SCH transport block bits that can be sent per TTI Whether the uplink supports 64QAM Level 1 5160 No Level 2 25456 No Level 3 51024 No Level 4 51024 No Level 5 75376 Yes 6 Bearer Service UE shall support packet domain bearer services. ——Downlink packet data services: UEs supporting packet data services shall support packet data transmission at the downlink peak bearer rate that matches the capability level; ——Uplink packet data services: UEs supporting packet data services shall support packet data transmission at the uplink peak bearer rate that matches the capability level. ——Combination of multiple bearer services: UEs shall support establishing combination of at least 2 packet domain service bearers. 7 Functions of UE 7.1 Basic Functions of UE Human-Machine Interface 7.1.1 Overview of human-machine interface functions See Table 4 for the basic functional requirements of various types of UE human-machine interface. Table 4 Basic Functions of UE Human-Machine Interface Name Requirements Data connection progress indicator Mandatory support PLMN indication Mandatory support for handheld station and data card (computer client); Support is required for other types with a visual human-machine interface, and optional for types without visual human-machine interface. PLMN selection Mandatory support for handheld station and data card (computer client); Optional support for other types of UE according to application requirements Keyboard Mandatory support for handheld station; optional support for other types of UE according to application requirements IMEI Mandatory support Service indicator Mandatory support for handheld station and data card (computer client); Support is required for other types of UE with a visual human-machine interface, and optional for types without visual human-machine interface. Engagement identification management (card identification management) Mandatory support; optional if without a human-machine interface Switch Mandatory support for handheld stations and other types of UE with independent power supply; Optional support for data card RAT Mode Indication Mandatory support for handheld station; optional support for other types of UE according to application requirements Input method Mandatory support for UE with human-machine interface and input function. Battery capacity indication and warning Mandatory support for handheld and other UEs with human-machine interface and rechargeable battery; Optional support for other types of UE according to application requirements Charging capability Mandatory support for handheld and other UEs with human-machine interface and rechargeable battery; Optional support for other types of UE according to application requirements Chinese support capability Mandatory support for handheld station and data card (computer client); Optional support for other types of UE according to application requirements Other functions of UE Mandatory support 7.1.2 Data connection progress indicator This function shall be able to give an indication based on the signaling information returned by the network, such as voice prompt or visual symbol or graphic display. The user may learn about the state of current connection according to various indications to confirm whether the connection establishment is successful. 7.1.3 PLMN indication This function shall display the PLMN number or operator identifier corresponding to PLMN number of the currently registered network of the UE, so the user can confirm whether UE is online or roaming. 7.1.4 PLMN selection When there is more than one PLMN available, the user can use this function to select one of the PLMNs or set the PLMN selection modes. 7.1.5 Keyboard The keyboard may be a physical keyboard, or other alternative input methods. No matter what input method is adopted, it should be able to meet the input requirements of the UE. 7.1.6 IMEI UE shall have a globally unique IMEI. For the handheld stations with keyboard input method, type “*#06#” to display IMEI on the human-machine interface. For other types of UEs, IMEI shall be inquired. 7.1.7 Service indicators Business indicators shall be able to verify whether the current signal strength of the user is sufficient for normal communication on human-machine interface according to the network signal condition. Where the signal is poor or the user service is limited, UE shall indicate to the user that the communication is limited; where the signal is good and the user service is not limited, the user shall be prompted of successfully logging in the selected PLMN, and the network signal strength shall be able to guarantee normal communication. In this case, this function can be combined with PLMN indicator. The business indicator can display the current service status in real time, and provide related information such as data connection status and data connection time (optional support). 7.1.8 Engagement identification management (card identification management) For a UE that supports hot plugging and unplugging of the USIM, if the USIM is removed from the UE when the UE is powered on, the UE shall perform IMSI detach, the ongoing service shall be interrupted, and the UE cannot perform other communications except emergency calls. At the same time, there shall be an indication of "insert or detect USIM" on the UE human-machine interface. 7.1.9 Switch The UE shall be provided with a power-on/off switch. Before power-off, the UE shall firstly complete the following work: end the current service and complete the corresponding resource release. 7.1.10 RAT mode indication UE shall be able to correctly display the current radio access technology. 7.1.11 Input method The UE shall correctly provide Simplified Chinese (alphabet-based input method), English and numeric input methods that functions properly, and shall accommodate for other input methods it supports. 7.1.12 Battery capacity indication and warning UE shall have battery capacity indication, charging state indication and insufficient capacity warning indication; the indication shall change in the same trend as the electricity in battery changes. 7.1.13 Charging capability UE shall charge properly. When the battery is fully charged, the UE under test shall indicate that the battery is full and automatically stops charging. 7.1.14 Chinese support capability UE shall support Simplified Chinese interface as specified in GB 2312-1980 and shall be configured with a Simplified Chinese menu. 7.1.15 Other functions of UE Other functions of the UE shall be correctly realized according to the instructions. 7.2 Functional Requirements on Physical Layer 7.2.1 OFDMA/SC-FDMA parameters The UE shall support downlink OFDMA and uplink SC-FDMA transmission, and the subcarrier spacing shall support 15 kHz, optionally 7.5 kHz. The UE shall support normal CP (Normal CP, 4.687 μs) and support for extended CP (Extended CP, 16.67 μs) is optional. 7.2.2 Frame structure The UE shall support the frame structure of uplink and downlink timeslot ratios of configurations 0, 1, 2, 3, 4, 5 and 6. The UE shall support the special timeslot ratios of configurations 0, 1, 2, 3, 4, 5, 6, 7 and 8. 7.2.3 Physical channel The UE supports all physical channels as follows: ——PUSCH, PUCCH, PRACH; ——PDSCH, PHICH, PCFICH, PDCCH; ——PBCH. It is required to support receiving the control channel and data channel transmitted on DwPTS with special timeslot, and sending sounding and short RACH (PRACH preamble format 4) transmitted on UpPTS with special timeslot. 7.2.4 Multi-antenna technology 7.2.4.1 MIMO transmission technology The UE shall support the following downlink MIMO transmissions: ——Single-antenna port (antenna port 0) transmission; ——Single-antenna port (antenna port 5) transmission; ——2-antenna port open-loop transmit diversity; ——2-antenna port closed-loop spatial multiplexing; ——2-antenna port spatial multiplexing (large delay CDD); ——4-antenna port open-loop transmit diversity; ——4-antenna port closed-loop spatial multiplexing; ——4-antenna port spatial multiplexing (large delay CDD). Support for the following downlink MIMO transmission technologies is optional: ——4-antenna port multi-user MIMO; ——Dual-antenna ports (antenna ports 7, 8) transmission. The UE shall support the following uplink MIMO transmission technologies: single-antenna port transmission. Support for the following uplink MIMO transmission technologies is optional: ——SRS transmit antenna selection diversity; ——PUSCH, PUCCH open-loop transmit antenna selection diversity; ——PUSCH, PUCCH closed-loop transmit antenna selection diversity; ——Uplink MU-MIMO. 7.2.4.2 MIMO transmission mode The UE shall support the following MIMO transmission modes: ——Mode 1; ——Mode 2; ——Mode 3; ——Mode 4; ——Mode 6; ——Mode 7. Optional support for Mode 5 and Mode 8. The UE shall support adaptation between modes such as PDSCH transmission modes 2, 3, and 7. The UE shall support adaptation between modes such as PDSCH transmission modes 2, 3, and 8, if the UE support mode 8. 7.2.5 Synchronization and cell search The UE shall be able to complete the cell downlink synchronization through PSS and SSS signals and obtain the cell ID. The UE shall be able to adjust the uplink transmission timing according to the TA command issued by the base station to complete the uplink synchronization. 7.2.6 Random access The terminal shall be able to perform random access according to parameters such as PRACH time-frequency resources configured by the eNode B, PRACH configuration, random preamble format and the PRACH sequence group used by the cell. The UE shall support the execution of contention and non-contention random access procedures in accordance with the configuration of network, and shall support the execution of contention and non-contention handover random access in accordance with network configuration. The UE shall support preamble code formats: format 0, format 1, format 2, format 3 and format 4. 7.2.7 Modulation, coding and scrambling The UE supports the following modulation modes: ——For downlink, it shall support BPSK, QPSK, 16QAM and 64QAM; ——For uplink, it shall support BPSK, QPSK, 16QAM, and support for 64QAM is optional. The UE supports the following channel codes: Channel codes such as convolutional codes and Turbo shall be supported. The UE shall be able to complete the modulation and demodulation, scrambling and descrambling operations of the adaptive modulation and coding according to the configuration of the network and the capabilities it supports. 7.2.8 Reference signal 7.2.8.1 Downlink reference signal The UE shall support receiving the following downlink reference signals to complete the corresponding channel estimation and channel measurement: ——Cell common reference signal (antenna port 0); ——Cell common reference signal (antenna port 1); ——UE-specific reference signal (antenna port 5). Support is optional for the following downlink reference signals: ——Cell common reference signal (antenna port 2); ——Cell common reference signal (antenna port 3); ——UE-specific reference signal (antenna port 7); ——UE-specific reference signal (antenna port 8). 7.2.8.2 Uplink reference signal The UE shall support the following uplink reference signals: ——PUSCH demodulation reference signal (DRS); ——PUCCH demodulation reference signal; ——Uplink sounding reference signal (SRS). The UE shall be able to complete the uplink reference signal transmission with the following different configurations according to the configuration of the eNode B: ——Cyclic shift of the uplink reference signal sequence; ——SRS resource mapping (including configuring SRS band width, SRS Comb, and SRS frequency hopping band width); ——Send the SRS in the normal uplink subframe (the SRS sending period, the sending subframe offset and the SRS sending duration can be configured); ——Send the SRS in UpPTS (2 symbols). Support is optional for uplink reference signal transmission with the following configurations: ——Uplink reference signal sequence group jump; ——Uplink reference signal sequence jump; ——Send the SRS in UpPTS (1 symbol); ——Antenna selection sends SRS. 7.2.9 Resources allocation 7.2.9.1 Downlink resource allocation The downlink of the UE shall support localized and distributed allocation modes of PDSCH, and support resource indication types of type 0, type 1 and type 2. The UE shall support the adaptive allocation of the number of PDCCH symbols. The UE shall support resource allocation of PBCH and SIB.

Contents of YD/T 2575-2016

Foreword II 1 Scope 2 Normative References 3 Terms, Definitions and Abbreviations 3.1 Terms and Definitions 3.2 Abbreviations 4 Overview 5 UE Classification and Power Class 5.1 Classification of UE 5.2 Power Class of UE 5.3 UE Transmission Capability Level 6 Bearer Service 7 Functions of UE 7.1 Basic Functions of UE Human-Machine Interface 7.2 Functional Requirements on Physical Layer 7.3 Function of Layer 7.4 Functions of Layer 3 and NAS Layer 8 UE Performance 8.1 Channel Division 8.2 Transmitter Index 8.3 Receiver Index 8.4 Performance Requirements 8.5 Reporting of Channel State Information 8.6 Performance Requirements for Radio Resource Management 9 Power Consumption Requirements 10 Interface Requirements 10.1 Requirements for Uu Interface 10.2 Requirements for Cu (USIM-ME) Interface 11 Reliability Requirements 12 Electromagnetic Compatibility Requirements 13 Requirements for Specific Absorption Rate (SAR) 14 Requirements for Battery and Charger 14.1 Battery Performance 14.2 Requirements for Charger 15 Requirements for Appearance, Packaging and Assembly