CN114556875A - 符号处理的方法与装置 - Google Patents

符号处理的方法与装置 Download PDF

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Publication number
CN114556875A
CN114556875A CN201980101452.XA CN201980101452A CN114556875A CN 114556875 A CN114556875 A CN 114556875A CN 201980101452 A CN201980101452 A CN 201980101452A CN 114556875 A CN114556875 A CN 114556875A
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symbol
transmission
transmit
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transmission symbol
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CN114556875B (zh
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刘凤威
马千里
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • 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

Abstract

本申请提供一种符号处理的方法与装置。该方法包括：生成发射符号序列中的第一发射符号，第一发射符号与第二发射符号具有相同的第一符号分量，第一符号分量在第一发射符号中的起始位置为第一发射符号的起始位置，第一符号分量在第二发射符号中的起始位置为第二发射符号的截取循环前缀的位置，第二发射符号为与第一发射符号相邻的下一个发射符号，第一发射符号与第二发射符号均具有循环前缀；发送第一发射符号。可以在不依赖循环前缀的长度的前提下，实现灵活配置符号间的保护间隔。

Description

PCT国内申请，说明书已公开。

Claims (43)

  1. PCT国内申请，权利要求书已公开。
CN201980101452.XA 2019-11-01 2019-11-01 符号处理的方法与装置 Active CN114556875B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/115142 WO2021082008A1 (zh) 2019-11-01 2019-11-01 符号处理的方法与装置

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CN114556875A true CN114556875A (zh) 2022-05-27
CN114556875B CN114556875B (zh) 2023-11-17

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US (1) US11843485B2 (zh)
EP (1) EP4033708A4 (zh)
CN (1) CN114556875B (zh)
AU (1) AU2019472104B2 (zh)
WO (1) WO2021082008A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102067540A (zh) * 2008-06-13 2011-05-18 艾利森电话股份有限公司 无线通信系统中产生具有循环前缀的信号结构的方法和设备
CN102197628A (zh) * 2008-09-23 2011-09-21 高通股份有限公司 用于sc-fdma的发射分集
EP3002920A1 (en) * 2014-10-01 2016-04-06 Telefonica S.A. Method and system of cyclic prefix overhead reduction for enabling cancellation of inter-symbol and inter-carrier interferences in ofdm wireless communication networks
CN107852254A (zh) * 2015-01-30 2018-03-27 华为技术有限公司 用于通过有条件零填充传输数据的装置和方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7778336B1 (en) * 2005-02-09 2010-08-17 Marvell International Ltd. Timing and frequency synchronization of OFDM signals for changing channel conditions
CN1881968B (zh) * 2005-06-15 2011-07-27 华为技术有限公司 一种减小多径延迟干扰的数据传输方法
WO2008056901A1 (en) * 2006-11-10 2008-05-15 Electronics And Telecommunications Research Institute Transmitter for extending guard interval for individual user equipment in ofdma systems
US20090040919A1 (en) * 2007-08-09 2009-02-12 Tarik Muharemovic Transmission Using Nested OFDMA
KR100904533B1 (ko) * 2008-01-11 2009-06-25 엘지전자 주식회사 전송 타이밍 조절 방법, 연속적인 패킷 전송 방법 및 이동통신 단말
US8724542B2 (en) * 2008-08-04 2014-05-13 Texas Instruments Incorporated Transmission using nested OFDMA
US8848742B2 (en) * 2009-10-15 2014-09-30 Qualcomm Incorporated Transmission strategy in MBSFN subframes
US10461975B2 (en) * 2016-05-11 2019-10-29 Qualcomm Incorporated Dynamic cyclic prefix (CP) length in wireless communication
US10848359B2 (en) * 2016-09-30 2020-11-24 Qualcomm Incorporated Virtual symbol splitting techniques in wireless communications
CN108366028B (zh) * 2017-01-26 2021-01-29 华为技术有限公司 一种循环前缀cp确定方法及无线网络设备
US10419188B2 (en) * 2017-03-24 2019-09-17 Qualcomm Incorporated Virtual time-domain multiplexing for reference signals and data with modified cyclic prefix

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102067540A (zh) * 2008-06-13 2011-05-18 艾利森电话股份有限公司 无线通信系统中产生具有循环前缀的信号结构的方法和设备
CN102197628A (zh) * 2008-09-23 2011-09-21 高通股份有限公司 用于sc-fdma的发射分集
EP3002920A1 (en) * 2014-10-01 2016-04-06 Telefonica S.A. Method and system of cyclic prefix overhead reduction for enabling cancellation of inter-symbol and inter-carrier interferences in ofdm wireless communication networks
CN107852254A (zh) * 2015-01-30 2018-03-27 华为技术有限公司 用于通过有条件零填充传输数据的装置和方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"\"R1-1719368 NPRACH range enhancements for NB-IoT\"" *

Also Published As

Publication number Publication date
CN114556875B (zh) 2023-11-17
AU2019472104B2 (en) 2024-01-25
EP4033708A1 (en) 2022-07-27
US11843485B2 (en) 2023-12-12
AU2019472104A1 (en) 2022-05-26
EP4033708A4 (en) 2022-10-05
WO2021082008A1 (zh) 2021-05-06
US20220263693A1 (en) 2022-08-18

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