KR102672357B1 - 물리 브로드캐스트 채널 （ｐｂｃｈ）송신들을 위한 복조 참조 신호 （ｄｍｒｓ）시퀀스 생성 및 리소스 매핑 - Google Patents

물리 브로드캐스트 채널 （ｐｂｃｈ）송신들을 위한 복조 참조 신호 （ｄｍｒｓ）시퀀스 생성 및 리소스 매핑 Download PDF

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KR102672357B1
KR102672357B1 KR1020207000083A KR20207000083A KR102672357B1 KR 102672357 B1 KR102672357 B1 KR 102672357B1 KR 1020207000083 A KR1020207000083 A KR 1020207000083A KR 20207000083 A KR20207000083 A KR 20207000083A KR 102672357 B1 KR102672357 B1 KR 102672357B1
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pbch
dmrs
tones
shift
frequency resources
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KR20200024206A (ko
Inventor
우석 남
타오 루오
샤오 펑 왕
소니 아카라카란
윌슨 마케쉬 프라빈 존
수메트 나가라자
카우시크 차크라보르티
성보 천
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퀄컴 인코포레이티드
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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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0083—Multi-mode cell search, i.e. where several modes or systems can be used, e.g. backwards compatible, dual mode or flexible systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0086—Search parameters, e.g. search strategy, accumulation length, range of search, thresholds
    • 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
    • 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
    • H04L27/26132—Structure of the reference signals using repetition
    • 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
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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 signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020207000083A 2017-07-10 2018-06-28 물리 브로드캐스트 채널 （ｐｂｃｈ）송신들을 위한 복조 참조 신호 （ｄｍｒｓ）시퀀스 생성 및 리소스 매핑 Active KR102672357B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762530824P 2017-07-10 2017-07-10
US62/530,824 2017-07-10
US16/020,248 US20190013917A1 (en) 2017-07-10 2018-06-27 Demodulation reference signal (dmrs) sequence generation and resource mapping for physical broadcast channel (pbch) transmissions
US16/020,248 2018-06-27
PCT/US2018/039977 WO2019013986A1 (en) 2017-07-10 2018-06-28 DEMODULATION REFERENCE SIGNAL (DMRS) SEQUENCE GENERATION AND RESOURCE MATCHING FOR PHYSICAL BROADCAST CHANNEL (PBCH) TRANSMISSIONS

Publications (2)

Publication Number Publication Date
KR20200024206A KR20200024206A (ko) 2020-03-06
KR102672357B1 true KR102672357B1 (ko) 2024-06-04

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KR1020207000083A Active KR102672357B1 (ko) 2017-07-10 2018-06-28 물리 브로드캐스트 채널 （ｐｂｃｈ）송신들을 위한 복조 참조 신호 （ｄｍｒｓ）시퀀스 생성 및 리소스 매핑

Country Status (8)

Country Link
US (1) US20190013917A1 (enExample)
EP (1) EP3652879B1 (enExample)
JP (1) JP7295813B2 (enExample)
KR (1) KR102672357B1 (enExample)
CN (1) CN110870244B (enExample)
BR (1) BR112020000008A2 (enExample)
TW (1) TWI749241B (enExample)
WO (1) WO2019013986A1 (enExample)

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US10880062B2 (en) * 2017-06-29 2020-12-29 Qualcomm Incorporated Providing protection for information delivered in demodulation reference signals (DMRS)
WO2019010632A1 (zh) * 2017-07-11 2019-01-17 北京小米移动软件有限公司 小区间信号干扰控制方法、装置、用户设备及基站
CN109309557B (zh) * 2017-07-28 2020-09-01 电信科学技术研究院 一种信号处理方法、装置、设备及计算机可读存储介质
CN111095850B (zh) * 2017-07-31 2023-03-28 韩国电子通信研究院 用于在通信系统中传送和接收同步信号的方法
WO2019157694A1 (en) * 2018-02-14 2019-08-22 Zte Corporation Initialization and use of demodulation reference signal
US11432369B2 (en) 2018-06-19 2022-08-30 Apple Inc. Reference signal and control information processing in 5G-NR wireless systems
CN113302890B (zh) 2019-01-10 2024-03-01 苹果公司 用于在高于52.6千兆赫（ghz）载波频率下操作的系统的参考信号设计
WO2020145751A1 (ko) * 2019-01-11 2020-07-16 엘지전자 주식회사 비면허 대역에서 동기 신호 블록을 송수신하는 방법 및 이를 위한 장치
US20220124648A1 (en) * 2019-01-23 2022-04-21 Ntt Docomo, Inc. User terminal and radio communication method
CN110336655B (zh) * 2019-08-09 2022-01-28 北京紫光展锐通信技术有限公司 Ssb候选位置索引指示、接收方法及装置、存储介质、基站、用户设备
CN112399612B (zh) * 2019-08-16 2024-01-09 华为技术有限公司 一种通信方法和装置
US11671117B2 (en) * 2020-04-10 2023-06-06 Qualcomm Incorporated Sequence interleaving for conveying multi-bit payloads
CN111988246B (zh) * 2020-08-31 2022-08-16 锐捷网络股份有限公司 一种广播信道解调参考信号检测方法、装置、设备和介质
EP4349073A4 (en) * 2021-11-16 2024-10-23 ZTE Corporation Systems, methods, and non-transitory processor-readable media for determining demodulation reference signals
US20250141623A1 (en) * 2023-11-01 2025-05-01 Qualcomm Incorporated Channel aware demodulation reference signal
CN120415667A (zh) * 2024-01-31 2025-08-01 华为技术有限公司 通信方法及装置

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Also Published As

Publication number Publication date
CN110870244A (zh) 2020-03-06
KR20200024206A (ko) 2020-03-06
EP3652879A1 (en) 2020-05-20
WO2019013986A1 (en) 2019-01-17
JP2020526963A (ja) 2020-08-31
CN110870244B (zh) 2022-02-15
US20190013917A1 (en) 2019-01-10
JP7295813B2 (ja) 2023-06-21
EP3652879B1 (en) 2022-08-24
BR112020000008A2 (pt) 2020-07-21
TWI749241B (zh) 2021-12-11
TW201909612A (zh) 2019-03-01
CA3066088A1 (en) 2019-01-17

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