WO2020249029A1 - Procédé et appareil pour générer des signaux de commande de duplexage par répartition dans le temps 5g, et station de base - Google Patents

Procédé et appareil pour générer des signaux de commande de duplexage par répartition dans le temps 5g, et station de base Download PDF

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Publication number
WO2020249029A1
WO2020249029A1 PCT/CN2020/095467 CN2020095467W WO2020249029A1 WO 2020249029 A1 WO2020249029 A1 WO 2020249029A1 CN 2020095467 W CN2020095467 W CN 2020095467W WO 2020249029 A1 WO2020249029 A1 WO 2020249029A1
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tdd
frame format
format information
entry
indication information
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PCT/CN2020/095467
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English (en)
Chinese (zh)
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王芳莉
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/0008—Wavelet-division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex

Definitions

  • the present disclosure relates to but is not limited to the field of communication technology.
  • LTE Long Term Evolution
  • TDD Time Division Duplexing
  • a frame has a length of 10 ms and is divided into 10 subframes with a length of 1 ms.
  • Uplink and downlink data are transmitted on different subframes in the same frame.
  • LTE TDD supports different uplink and downlink time ratios.
  • the uplink and downlink time ratios can be adjusted according to different service types to meet the asymmetric uplink and downlink service requirements.
  • the length of the downlink pilot time slot (Downlink Pilot Time Slot, DwPTS), the guard interval (Guard Period, GP) and the uplink pilot time slot (Uplink Pilot Time Slot, UpPTS) of the special subframe are defined as the fifth generation (
  • the symbol length in the New Radio (NR) frame structure of the 5th Generation (5G) multi-subcarrier spacing is a unit.
  • TDD Ultra Reliable Low Latency Communications
  • URLLC Ultra Reliable Low Latency Communications
  • the frame structure Expanded from 55 currently defined to 256.
  • TDD ratio supports the self-contained frame structure (Slot Format) in the time slot, and defines DL, UL, and GP in units of symbols.
  • Different time slots can have different self-contained frame structures; at the same time, 5G requires support for dynamic TTI, and the length of time slots and symbol lengths will change dynamically. Therefore, the LTE TDD cannot be used to store fixed frame structure information locally and perform a semi-static handover scheme according to the cell radio configuration. Therefore, how to realize the generation of 5G TDD control signals has become a problem that needs to be solved urgently.
  • One aspect of the embodiments of the present disclosure provides a method for generating 5G TDD control signals, including: receiving TDD frame format information sent by a baseband processing unit (Building Baseband Unite, BBU) through Ethernet real-time messages or BBU through frequency domain data Split the first DL-UL indication information sent by the pseudo IQ field composed of I and Q channels orthogonal to the IF1 port; among them, the TDD frame format information includes the symbol length information in the 5G multi-subcarrier spacing NR frame structure and the second DL-UL indication information; and, generating a TDD control signal based on the TDD frame format information or the first DL-UL indication information.
  • BBU Baseband Unite
  • a 5G TDD control signal generation device including: a receiving unit configured to receive TDD frame format information sent by the BBU via Ethernet real-time messages or the BBU splits the IF1 port via frequency domain data The first DL-UL indication information sent by the pseudo IQ field composed of orthogonal I and Q channels; wherein the TDD frame format information includes the symbol length information in the 5G multi-subcarrier spacing NR frame structure and the second DL-UL indication Information; and the generating unit, configured to generate a TDD control signal based on TDD frame format information or first DL-UL indication information.
  • Another aspect of the embodiments of the present disclosure provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by at least one processor, the steps of the above-mentioned 5G TDD control signal generation method are realized.
  • a base station including a processor and a storage device.
  • the storage device stores instructions. When the instructions are executed by the processor, the steps of the above-mentioned 5G TDD control signal generation method are implemented.
  • FIG. 1 is a flowchart of a method for generating a 5G TDD control signal provided by an embodiment of the disclosure.
  • FIG. 2 is a schematic diagram of switching between a first entry and a second entry provided by an embodiment of the disclosure.
  • FIG. 3 is a schematic structural diagram of a 5G TDD control signal generating apparatus provided by an embodiment of the disclosure.
  • FIG. 4 is a schematic diagram of another structure of a 5G TDD control signal generating apparatus provided by an embodiment of the disclosure.
  • the present disclosure provides a method for generating 5G TDD control signals.
  • the following further describes the present disclosure in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure, and do not limit the present disclosure.
  • the embodiment of the present disclosure provides a method for generating a 5G TDD control signal, which can be applied to a remote radio unit (RRU), as shown in FIG. 1, which is the 5G TDD control signal provided by the embodiment of the present disclosure.
  • RRU remote radio unit
  • a flow chart of the generating method, the method may include step S101 and step S102.
  • step S101 receive the TDD frame format information sent by the BBU through the Ethernet real-time message, or receive the DL- DL transmitted by the BBU through the frequency domain data segmentation of the pseudo IQ field composed of the orthogonal I and Q channels of the IF1 port UL instructions.
  • the TDD frame format information includes symbol length information and DL-UL indication information.
  • a DTX identifier that is, a power saving identifier, can also be set in the TDD frame format information to indicate whether to save power.
  • TDD control can be generated according to the DL-UL indication information corresponding to each symbol signal.
  • the symbol length of the TDD frame format information in the embodiment of the present disclosure can be set according to actual needs, which is not specifically limited in the embodiment of the present disclosure.
  • a TDD control signal is generated based on TDD frame format information or DL-UL indication information.
  • the TDD frame format information issued by the BBU can be received in the Ethernet real-time message mode, or the DL-UL indication information transmitted by the BBU through the pseudo IQ of the IF1 port can be directly received, and the TDD frame Format information or DL-UL indication information is used to generate TDD control signals, thereby effectively solving the problem that related technologies cannot generate 5G TDD control signals.
  • the embodiments of the present disclosure adopt IF1 interface segmentation or use Ethernet packets to transmit the frequency domain of the IF1 interface in order to reduce the optical fiber transmission pressure between the BBU and RRU. data.
  • the BBU in the embodiment of the present disclosure needs to deliver the TDD frame format information at a predetermined time in advance.
  • the BBU can be advanced by 0.125ms to 20ms or preset an integer multiple of the uplink and downlink switching period to deliver the TDD frame format information.
  • the RRU can receive the TDD frame format information delivered by the BBU 10ms ahead of time or preset an integer multiple of the uplink-downlink switching cycle, and delivered via Ethernet real-time packets.
  • the time at which the above-mentioned BBU issues TDD frame format information or DL-UL indication information (that is, the time period ahead of the time at which the RRU generates the TDD control signal) can be set according to actual needs, and this disclosure does not make this Specific restrictions.
  • the RRU after receiving the TDD frame format information issued by the BBU, stores the TDD frame format information in a preset table entry.
  • the symbol length corresponding to each symbol and the corresponding DL-UL indication information can be stored in different addresses of the table entry according to the table entry parameters and the TDD frame format information, and each row of the table entry is stored DL-UL indication information corresponding to one symbol; and according to a predetermined switching cycle, the DL-UL indication information in the received TDD frame format information is stored in the first entry and the second entry in turn.
  • the BBU needs to transmit the TDD frame format information in advance.
  • the storage of the TDD frame format information is divided into two entries A and B, that is, the first entry and the second entry.
  • Ping-pong work between two entries, for example, store the currently received frame format information in table A, that is, the first entry, generate TDD frame format information a; and currently use table B, that is, in the second entry ,
  • the stored TDD frame format information b generates a TDD control signal; when the next switching cycle arrives, the TDD frame format information a in table A is used to generate a TDD control signal, and table B is updated according to the currently received frame format information Medium TDD frame format information; this cycle.
  • the predetermined switching period can be set to 10 ms or an integer multiple of the predetermined uplink and downlink switching period; in specific implementation, those skilled in the art can set it flexibly according to actual needs.
  • the entry parameters of the preset entry may include at least one of the following parameters: entry depth, DL/UL configuration cycle period, and the number of symbols within a predetermined switching period (Switch Period) , And the length of the slot period (ie, the predetermined switching period).
  • the above-mentioned parameters can be set according to actual needs. For example, when the symbol length of the TDD frame format information ⁇ the number of symbols in the switching period is equal to the switching period, it indicates that the first entry/second entry (ie, the A/B entry) is closely arranged.
  • the arrangement mode can save storage space; for another example, when the symbol length ⁇ the number of symbols in the switching period is less than the switching period, it indicates that the table entries are divided into equal intervals.
  • dynamic TTI time division scheduling (DL-UL absolute time is unchanged), It is possible to update only the table entry of one of the slots without reconfiguring the entire table, saving software overhead.
  • generating a TDD control signal based on TDD frame format information may include: generating a TDD control signal according to the DL-UL indication information stored in the first entry in the first predetermined switching period; and Store the TDD frame format information issued by the BBU received in this cycle, the symbol length corresponding to each symbol and the corresponding DL-UL indication information in the second entry according to the entry parameters and the TDD frame format information; After reaching the second predetermined switching period, generate a TDD control signal based on the DL-UL indication information stored in the second entry, and use the TDD frame format information issued by the BBU received in this period according to the entry parameters, The symbol length corresponding to each symbol and the corresponding DL-UL indication information are stored in the first table entry; according to the predetermined switching period, the above steps are cyclically executed.
  • the first table entry and the second table entry in the embodiment of the present disclosure perform the work of ping-pong switching, that is, when one table entry performs the storage task, the other table entry performs the task of generating the TDD control signal, through the two tables
  • the alternate work of items realizes the coordination of storing TDD frame format information and generating TDD control signals.
  • receiving the DL-UL indication information transmitted by the BBU through the pseudo IQ of the IF1 port may include: receiving the BBU through the pseudo IQ of each symbol to send the DL-UL indication information corresponding to the symbol along the way; Alternatively, the receiving BBU sends the DL-UL indication information corresponding to all symbols in the time slot through the pseudo IQ of the first symbol of each time slot.
  • the hardware accelerator can extract the DL-UL indication information in real time to generate the TDD control signal.
  • the embodiments of the present disclosure provide two methods for real-time generation of TDD control signals.
  • Method 1 The BBU transmits the TDD frame format information to the RRU via an Ethernet real-time message. After the RRU is stored in the buffer area, the hardware accelerator of the RRU generates the TDD.
  • Method 2 Transmit TDD parameters, that is, DL-UL indication information, through the pseudo IQ of the IF1 port.
  • the DL-UL indication information corresponding to this symbol can be sent along the pseudo IQ of each symbol; or in each slot
  • the pseudo IQ of the first symbol issues DL-UL indication information corresponding to all symbols in the time slot, and the hardware accelerator extracts the indication information in real time to generate a TDD control signal.
  • the embodiments of the present disclosure need to identify the generated TDD after generating the TDD control signal, namely The DL-UL instruction information is aligned with the data.
  • the method will be described below by taking the TDD frame format information delivered by the BBU through the Ethernet real-time message as an example.
  • step 1 the frame format information is delivered.
  • the BBU sends the TDD frame format information to the RRU in the form of Ethernet real-time messages in advance of a certain time or one uplink and downlink switching cycle.
  • the RRU parses the TDD frame format information in the real-time message and stores it in the entry A/B.
  • step two configure table entries.
  • A/B two entries can be set whether to enable, entry depth can be set, the storage location of each symbol's frame format information can be set in the entry, it can support whether the symbol storage is tightly arranged, whether the entry is switched and switched
  • the time can be configured.
  • FIG. 2 it is a schematic diagram of the switching of the first entry and the second entry provided by the embodiments of the present disclosure, which describes the symbol information storage address jump, the address jump between time slots, and A/ B table entry reading method and time sequence relationship of table entry switching.
  • the bus AXIM can access Table A (Table A) and Table B (Table B).
  • the frame flag is the frame flag
  • table_cs is the chip selection signal of the A table and the B table; for example, when table_cs is high, table B can be requested to update, and table A can work; when table_cs is low, table A can be requested to update, Table B works.
  • the above downlink switching period is 5ms as an example.
  • Each row in the table entry stores the frame format information of one symbol, the depth of each table entry can be set to 5ms or 10ms, and the switching period of the A/B table is also set to 5ms or 10ms. Then when table B requests to be updated, table A works; when table A requests to be updated, table B works. When the time slot ratio changes, it can be seamlessly switched and used.
  • step three the TDD control signal is generated.
  • the hardware accelerator can generate the TDD control signal according to the frame format information in the table entry.
  • the entry parameters provided by the embodiments of the present disclosure may include at least one of the following parameters.
  • Table Length The depth of the frame structure configuration table. According to the frame period of 10ms, 560 symbol info information is pre-stored, corresponding to the 60khz subcarrier interval, and the frame structure definition is 14(symbols) ⁇ 40(slots). It can avoid that when dynamic TDD is not needed in the early stage, the table entries do not need to be constantly refreshed and switch A and B tables, so the software overhead can be greatly reduced.
  • DL/UL circle period (slot A): Indicates the cycle period of DL/UL configuration.
  • the circle_cnt counter is used to control the initial value of the read address. Configure the length value based on the working clock. Typical values: 0.125ms, 0.25ms, 0.5ms, 0.625ms, 1ms, 1.25ms, 2ms, 2.5ms, 5ms, 10ms or 20ms, etc.
  • switch offset indicates the number of symbols within the switch period, and the number of symbols is used as the offset address of the Table Length address segment.
  • the configuration value of the number of symbols typical values: 7, 14, 28, 56, 70, 140, 280, or 560, etc. According to the switch offset, the first address of each segment of the Table can be obtained.
  • symbol info An entry in the configuration table, consisting of the symbol_length, symbol_tdd, and symbol_dtx fields.
  • switch period and switch offset 1.
  • switch offset*symbol length>switch In period it is equivalent to the symbol info table item is segmented at equal intervals of switch offset.
  • the software update switching AB table strategy can only update the table entry of a certain slot during dynamic TTI time division scheduling (DL-UL absolute time is unchanged) without reconfiguring the entire table, so this storage method can save software overhead.
  • step four repeat steps one and three.
  • the method provided by the embodiments of the present disclosure can achieve the effect of seamless handover and dynamic real-time generation of DL-UL indication information, save TDD generation time, improve the granularity of TDD status indication, and reach the symbol level. It can meet the 5G NR self-contained frame structure and transmission delay requirements.
  • the embodiment of the present disclosure also provides a 5G TDD control signal generation device, as shown in FIG. 3, which is a schematic structural diagram of the 5G TDD control signal generation device provided by the embodiment of the disclosure, and the device may include: a receiving unit 301 and generating unit 302.
  • the receiving unit 301 can be configured to receive the TDD frame format information sent by the BBU through Ethernet real-time messages or the DL- sent by the BBU through the frequency domain data splitting the pseudo IQ field composed of the orthogonal I and Q channels of the IF1 port.
  • UL indication information where the TDD frame format information includes symbol length information and DL-UL indication information in the 5G multi-subcarrier spacing NR frame structure.
  • the generating unit 302 may be configured to generate a TDD control signal based on TDD frame format information or DL-UL indication information.
  • the TDD frame format information issued by the BBU Ethernet real-time message can be received, or the DL-UL indication information transmitted by the BBU through the pseudo IQ of the IF1 port can be directly received, and according to the TDD frame format Information or DL-UL indication information is used to generate TDD control signals, thereby effectively solving the existing problem that 5G TDD control signals cannot be generated.
  • the frame format information may include symbol length information and DL-UL indication information, or may also include a DTX identifier, that is, a power saving identifier. For example, if the symbol length of the TDD frame format information is set to 14, then the corresponding DL-UL indication information and power saving identifier are set for each symbol. Subsequently, the TDD control signal can be generated according to the DL-UL indication information corresponding to each symbol.
  • the generating unit 302 may also be configured to, after receiving the TDD frame format information delivered by the BBU via the Ethernet real-time message, before generating the TDD control signal based on the TDD frame format information, change the TDD frame format The information is stored in a preset table entry.
  • the preset table entry may include a first table entry and a second table entry.
  • the generating unit 302 in the embodiment of the present disclosure can store the DL-UL indication information corresponding to each symbol in different addresses of the preset table entry according to the table entry parameters and the TDD frame format information, and the preset table entry
  • the symbol length and DL-UL indication information of one symbol are stored in each row; and the received symbol length and DL-UL indication information are switched and stored to the first entry and the second entry according to a predetermined switching cycle, where the preset
  • the table entries include the first table entry and the second table entry.
  • the generating unit 302 in the first predetermined switching period, the generating unit 302 generates a TDD control signal according to the DL-UL indication information stored in the first entry, and transfers the currently received TDD frame sent by the BBU Format information, according to the entry parameters and TDD frame format information, the symbol length corresponding to each symbol and the corresponding DL-UL indication information are stored in the second entry; in the second predetermined switching period, the generating unit 302 is based on the second The DL-UL indication information stored in the table entry generates the TDD control signal, and the currently received TDD frame format information issued by the BBU, according to the table entry parameters and TDD frame format information, calculates the symbol length corresponding to each symbol and The corresponding DL-UL indication information is stored in the first entry; according to the predetermined switching period, this cycle is repeated.
  • the receiving unit 301 can be configured to receive the BBU to send the DL-UL indication information corresponding to the symbol through the pseudo IQ of each symbol; or, to pass the first symbol of each time slot
  • the pseudo IQ of delivers DL-UL indication information corresponding to all symbols in the time slot.
  • the device may further include an alignment unit (not shown in FIG. 3).
  • the alignment unit may be configured to perform DL-UL indication information and data alignment on the TDD control signal after the TDD control signal is generated.
  • the device may include a TDD frame format information transmission module 401, a TDD frame format information storage module 402, and a TDD generation module 403 and TDD delay adjustment module 404.
  • the TDD frame format information transmission module 401 can be configured to receive the TDD frame format information sent to the RRU in the form of a real-time message in the form of a real-time message.
  • the special field of the real-time message can be defined, and the carried net core part can be quickly parsed into the format of each symbol in the table entry.
  • the TDD frame format information storage module 402 can be configured to configure the data in the address corresponding to the symbol in the A/B table entry according to the TDD frame format and symbol number parsed from the received real-time message.
  • the TDD frame format information switching and updating module is also used to make the A table proceed When updating, B table works normally.
  • the switching timing of the two entries is determined by the entry depth and the uplink and downlink switching cycle.
  • the TDD generating module 403 may be configured to generate a TDD indication corresponding to each symbol, that is, uplink, downlink, or GP according to the configuration information in the table entry or the DL-UL identifier parsed from the pseudo IQ.
  • the TDD delay adjustment module 404 can mainly complete the data alignment work.
  • the TDD frame format information transmission module 401 After the TDD frame format information transmission module 401 completes the frame format transmission, according to the TDD frame format information switch and update module's switching identifier and the table item A or B that needs to be updated, the TDD frame format information storage module 402 stores it in the corresponding table item At the same time, the TDD generating module 403 generates a TDD identifier, which is sent to each node of the system through the TDD delay adjustment module 404 for use.
  • the TDD frame format information storage module 402, the TDD frame format information switching and updating module, and the TDD generating module 403 are a continuous updating and switching process.
  • the embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the computer program When the computer program is executed by at least one processor, it can implement one or more of the 5G TDD control signal generation methods provided by the embodiments of the present disclosure. Steps.
  • the specific content can be understood with reference to the relevant parts of the embodiments of the present disclosure, and will not be discussed in detail here.
  • the embodiments of the present disclosure also provide a base station, which may include a processor and a storage device.
  • the storage device stores instructions. When the instructions are executed by the processor, the method for generating 5G TDD control signals provided by the embodiments of the present disclosure can be implemented. One or more steps.
  • the specific content can be understood with reference to the relevant parts of the embodiments of the present disclosure, and will not be discussed in detail here.

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  • Computer Networks & Wireless Communication (AREA)
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  • Time-Division Multiplex Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil pour générer des signaux de commande de duplexage par répartition dans le temps 5G, et une station de base : recevant des informations de format de trame TDD envoyées par une unité de traitement en bande de base BBU au moyen de messages Ethernet en temps réel ou de premières informations d'indication de liaison montante-liaison descendante DL-UL envoyées par la BBU au moyen d'un champ pseudo-IQ composé des canaux I et Q orthogonaux d'un port IF1 de division de données de domaine fréquentiel, les informations de format de trame TDD comprenant des informations de longueur de symbole dans une nouvelle structure de trame NR d'interface radio d'espacement de sous-porteuse 5G et de secondes informations d'indication DL-UL ; et, sur la base des informations de format de trame TDD ou des premières informations d'indication DL-UL, générant des signaux de commande TDD.
PCT/CN2020/095467 2019-06-11 2020-06-10 Procédé et appareil pour générer des signaux de commande de duplexage par répartition dans le temps 5g, et station de base WO2020249029A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761943A (zh) * 2011-04-29 2012-10-31 中兴通讯股份有限公司 一种降低时分双工系统功耗的方法及系统
CN107534487A (zh) * 2015-04-17 2018-01-02 华为技术有限公司 多电平调制格式模拟信号及控制字的数字表示方法及装置
CN108604964A (zh) * 2016-03-01 2018-09-28 英特尔Ip公司 5g系统中的自包含tdd帧结构和dl-ul配置
WO2019011259A1 (fr) * 2017-07-12 2019-01-17 Huawei Technologies Co., Ltd. Système et procédé de raccordement et d'accès dans des systèmes de communication à formation de faisceau

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012015218A2 (fr) * 2010-07-26 2012-02-02 엘지전자 주식회사 Procédé et dispositif pour transmettre un signal de référence de sondage et des informations étendues de commande de liaison montante dans un système de communication sans fil
KR20130032798A (ko) * 2011-09-23 2013-04-02 주식회사 팬택 무선 통신 시스템에서 제어 정보를 동적으로 전송하는 방법 및 장치
WO2013069218A1 (fr) * 2011-11-07 2013-05-16 パナソニック株式会社 Dispositifs terminal et de station de base, procédés d'émission et de réception
US20150103702A1 (en) * 2012-04-03 2015-04-16 Nokia Solutions And Networks Oy Frame format in communications
JP6031017B2 (ja) * 2013-09-26 2016-11-24 株式会社Ｎｔｔドコモ ユーザ端末、基地局及び無線通信方法
US10314018B2 (en) * 2015-08-12 2019-06-04 Lg Electronics Inc. Method for transmitting and receiving wireless signal and apparatus therefor
JP7048487B2 (ja) * 2016-05-12 2022-04-05 富士通株式会社 基地局および端末

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761943A (zh) * 2011-04-29 2012-10-31 中兴通讯股份有限公司 一种降低时分双工系统功耗的方法及系统
CN107534487A (zh) * 2015-04-17 2018-01-02 华为技术有限公司 多电平调制格式模拟信号及控制字的数字表示方法及装置
CN108604964A (zh) * 2016-03-01 2018-09-28 英特尔Ip公司 5g系统中的自包含tdd帧结构和dl-ul配置
WO2019011259A1 (fr) * 2017-07-12 2019-01-17 Huawei Technologies Co., Ltd. Système et procédé de raccordement et d'accès dans des systèmes de communication à formation de faisceau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "On maximum TA and reduced processing time for short TTI", 3GPP TSG-RAN WG1 MEETING #90BIS R1-1717177, 13 October 2017 (2017-10-13), XP051351553 *

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