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CN111937455A - 空闲信道侦听方法、装置及设备 - Google Patents

空闲信道侦听方法、装置及设备 Download PDF

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Publication number
CN111937455A
CN111937455A CN201880092137.0A CN201880092137A CN111937455A CN 111937455 A CN111937455 A CN 111937455A CN 201880092137 A CN201880092137 A CN 201880092137A CN 111937455 A CN111937455 A CN 111937455A
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CN
China
Prior art keywords
signal
channel
cca
signal blocks
blocks
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201880092137.0A
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English (en)
Inventor
唐海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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.)
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202210900933.0A priority Critical patent/CN115065987B/zh
Publication of CN111937455A publication Critical patent/CN111937455A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04B7/0615—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 of weighted versions of same signal
    • H04B7/0619—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 of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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]
    • 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) or 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
    • H04L5/003—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
    • H04L5/0048—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H04L5/10—Channels characterised by the type of signal the signals being represented by different frequencies with dynamo-electric generation of carriers; with mechanical filters or demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请提供了一种空闲信道侦听方法、装置及设备，属于通信技术领域。所述方法包括：确定信号块集合，所述信号块集合包括n个信号块，每一个信号块包括至少一个信号和/或至少一个信道，所述n为大于1的整数；在发送所述信号块集合所包括的信号块之前，对免授权频谱的信道执行一次CCA；若所述CCA的结果为所述免授权频谱的信道可用，则使用所述免授权频谱的信道发送所述信号块集合所包括的信号块。本申请提供了一种在NR系统中使用免授权频谱发送信号块的解决方案，解决信号块之间的间隔无法满足CCA检测时间的问题，便于接入网设备在发送信号块时进行合适的方向性LBT，提高发送成功率。

Description

PCT国内申请，说明书已公开。

Claims (30)

  1. PCT国内申请，权利要求书已公开。
CN201880092137.0A 2018-04-03 2018-04-03 空闲信道侦听方法、装置及设备 Pending CN111937455A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210900933.0A CN115065987B (zh) 2018-04-03 2018-04-03 空闲信道侦听方法、装置及设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/081737 WO2019191897A1 (zh) 2018-04-03 2018-04-03 空闲信道侦听方法、装置及设备

Related Child Applications (1)

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CN202210900933.0A Division CN115065987B (zh) 2018-04-03 2018-04-03 空闲信道侦听方法、装置及设备

Publications (1)

Publication Number Publication Date
CN111937455A true CN111937455A (zh) 2020-11-13

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CN201880092137.0A Pending CN111937455A (zh) 2018-04-03 2018-04-03 空闲信道侦听方法、装置及设备

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US (1) US11758581B2 (zh)
EP (1) EP3780796B1 (zh)
JP (1) JP2021521669A (zh)
KR (1) KR20200138386A (zh)
CN (2) CN115065987B (zh)
AU (1) AU2018417379A1 (zh)
WO (1) WO2019191897A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12256347B2 (en) * 2020-04-29 2025-03-18 Qualcomm Incorporated Applying zero element beam in search and measurement procedure for power savings in MMW
US11864164B2 (en) * 2020-05-18 2024-01-02 Qualcomm Incorporated Multiple beam monitoring and transmitting in a wireless medium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2014228974B2 (en) * 2013-03-15 2018-05-17 Beckman Coulter, Inc. Radiated light filtering for a flow cytometer
US10779265B2 (en) * 2013-08-09 2020-09-15 Sharp Kabushiki Kaisha Terminal, base station, integrated circuit, and communication method
US10637619B2 (en) * 2014-11-03 2020-04-28 Samsung Electronics Co., Ltd. Method and apparatus for channel access for LTE on unlicensed spectrum
US9949169B2 (en) * 2015-05-22 2018-04-17 Qualcomm Incorporated Control flow enhancements for LTE-unlicensed
KR20170127634A (ko) * 2016-05-12 2017-11-22 주식회사 윌러스표준기술연구소 비면허대역에서 상향링크 채널 및 신호 전송 방법, 장치 및 시스템
CN108668366B (zh) * 2017-03-31 2020-02-14 华为技术有限公司 信号传输方法、网络设备和终端
CN109286987B (zh) * 2017-05-04 2019-11-05 华为技术有限公司 一种信息发送、接收方法及相关设备
US10462761B2 (en) * 2017-07-25 2019-10-29 Samsung Electronics Co., Ltd. Method and SS block time locations and SS burst set composition for NR unlicensed spectrum
CN109309955B (zh) * 2017-07-28 2021-02-09 华为技术有限公司 一种同步信号块的传输方法、接入网设备及终端设备
CN110300442B (zh) * 2018-03-23 2020-07-28 维沃移动通信有限公司 一种信号发送方法及网络设备

Also Published As

Publication number Publication date
EP3780796A4 (en) 2021-03-03
US11758581B2 (en) 2023-09-12
EP3780796A1 (en) 2021-02-17
AU2018417379A1 (en) 2020-11-26
KR20200138386A (ko) 2020-12-09
CN115065987A (zh) 2022-09-16
JP2021521669A (ja) 2021-08-26
US20210014896A1 (en) 2021-01-14
CN115065987B (zh) 2024-02-20
WO2019191897A1 (zh) 2019-10-10
EP3780796B1 (en) 2024-05-01

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