DK3925377T3 - Præambler med tilfældig adgang i trådløs kommunikation - Google Patents

Præambler med tilfældig adgang i trådløs kommunikation Download PDF

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Publication number
DK3925377T3
DK3925377T3 DK19914877.6T DK19914877T DK3925377T3 DK 3925377 T3 DK3925377 T3 DK 3925377T3 DK 19914877 T DK19914877 T DK 19914877T DK 3925377 T3 DK3925377 T3 DK 3925377T3
Authority
DK
Denmark
Prior art keywords
wireless communication
random access
access preamble
preamble
random
Prior art date
Application number
DK19914877.6T
Other languages
English (en)
Inventor
Chenchen Zhang
Wei Cao
Zhen Yang
Kaibo Tian
Nan Zhang
Original Assignee
Zte Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corp filed Critical Zte Corp
Application granted granted Critical
Publication of DK3925377T3 publication Critical patent/DK3925377T3/da

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H04J13/107—Combining codes by concatenation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/22—Allocation of codes with a zero correlation zone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
DK19914877.6T 2019-02-15 2019-02-15 Præambler med tilfældig adgang i trådløs kommunikation DK3925377T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/075211 WO2020164105A1 (en) 2019-02-15 2019-02-15 Random access preambles in wireless communication

Publications (1)

Publication Number Publication Date
DK3925377T3 true DK3925377T3 (da) 2024-08-26

Family

ID=72044128

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19914877.6T DK3925377T3 (da) 2019-02-15 2019-02-15 Præambler med tilfældig adgang i trådløs kommunikation

Country Status (6)

Country Link
US (1) US12191980B2 (da)
EP (1) EP3925377B1 (da)
CN (1) CN113412672B (da)
DK (1) DK3925377T3 (da)
FI (1) FI3925377T3 (da)
WO (1) WO2020164105A1 (da)

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* Cited by examiner, † Cited by third party
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CN111629448B (zh) 2019-02-28 2022-05-10 华为技术有限公司 随机接入方法和装置
US11490426B2 (en) * 2019-08-16 2022-11-01 Qualcomm Incorporated Two-root preamble design for delay and frequency shift
CN114731703B (zh) * 2019-09-30 2026-03-20 中兴通讯股份有限公司 用于非地面网络的随机接入前导
US11683841B2 (en) * 2020-11-24 2023-06-20 Sprint Spectrum Llc Dynamic control of PRACH format based on RRC-connection-establishment-failure history
WO2022151241A1 (en) * 2021-01-14 2022-07-21 Apple Inc. Methods of rach transmission enhancement for ＞ 52.6 ghz
US20240276539A1 (en) * 2021-06-28 2024-08-15 Samsung Electronics Co., Ltd. Method and device for random access in wireless communication system
CN116192234B (zh) * 2023-02-20 2024-08-02 西安电子科技大学 一种5g低轨卫星随机接入序列设计及检测方法

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Publication number Priority date Publication date Assignee Title
CA2767302C (en) 2006-09-28 2012-10-16 Fujitsu Limited Wireless communication device
CN102932088B (zh) 2006-09-29 2016-06-01 松下电器（美国）知识产权公司 基站装置和基站装置执行的通信方法
CN101409584A (zh) * 2007-10-12 2009-04-15 Nxp股份有限公司 无线通信系统的随机接入前同步码和接收方案
FR2944171B1 (fr) * 2009-04-03 2012-12-21 Get Enst Procede et dispositif de modulation mettant en oeuvre une modulation differentielle, procede et dispositif de demodulation, signal et produits programme d'ordinateur correspondants.
US8345535B2 (en) * 2009-07-13 2013-01-01 Lg Electronics Inc. Method and apparatus for generating ranging preamble code in wireless communication system
US8391382B2 (en) 2009-07-14 2013-03-05 Lg Electronics Inc. Method and apparatus for generating ranging preamble code in wireless communication system
CN102387599A (zh) * 2010-08-30 2012-03-21 普天信息技术研究院有限公司 一种采用zc序列作为前导码的随机接入方法、装置及系统
CN103634926B (zh) 2012-08-29 2016-09-07 中兴通讯股份有限公司 一种高速移动环境下终端的随机接入方法及随机接入系统
CN103988565B (zh) * 2012-12-12 2018-02-02 华为技术有限公司 随机接入方法、用户设备、基站及系统
US10285195B2 (en) 2014-06-11 2019-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Processing of random access preamble sequences
WO2015190961A1 (en) * 2014-06-13 2015-12-17 Telefonaktiebolaget L M Ericsson (Publ) Preamble sets matched to uplink transmission conditions
US10499434B2 (en) * 2015-09-25 2019-12-03 Intel Corporation Mobile terminal device and method for processing signals
WO2017176194A1 (en) * 2016-04-07 2017-10-12 Telefonaktiebolaget Lm Ericsson (Publ) Radio-network node, wireless device and methods performed therein
CN105915315B (zh) * 2016-04-15 2019-03-29 哈尔滨工业大学 天地一体化系统面向随机接入的lte帧结构改进方法
EP3456137B1 (en) 2016-05-12 2020-05-27 Intel IP Corporation Physical random access channel (prach) design
CN108306841B (zh) * 2017-01-11 2022-02-11 中兴通讯股份有限公司 用于ofdm通信的信号设计方法及系统、发射机、接收机
WO2018131985A1 (en) * 2017-01-16 2018-07-19 Samsung Electronics Co., Ltd. Method and apparatus for performing random access
EP3590215B1 (en) * 2017-03-01 2022-03-30 Telefonaktiebolaget LM Ericsson (publ) Random access preamble slot allocation
EP3603225B1 (en) * 2017-03-23 2022-07-27 Interdigital Patent Holdings, Inc. Method and system for altitude path-loss based power control for aerial vehicles
CN110945846B (zh) * 2017-08-29 2021-09-14 华为技术有限公司 近恒模合成(storm)波形的高效设计与实现

Also Published As

Publication number Publication date
US12191980B2 (en) 2025-01-07
EP3925377A1 (en) 2021-12-22
CN113412672B (zh) 2023-11-21
CN113412672A (zh) 2021-09-17
EP3925377A4 (en) 2022-02-16
EP3925377B1 (en) 2024-08-14
FI3925377T3 (fi) 2024-10-30
US20210376946A1 (en) 2021-12-02
WO2020164105A1 (en) 2020-08-20

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