CN114556875A - 符号处理的方法与装置 - Google Patents
符号处理的方法与装置 Download PDFInfo
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- 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
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- 238000012545 processing Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 116
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- 238000004891 communication Methods 0.000 claims description 50
- 230000015654 memory Effects 0.000 claims description 39
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Images
Classifications
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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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
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)
- PCT国内申请,权利要求书已公开。
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114556875A true CN114556875A (zh) | 2022-05-27 |
CN114556875B CN114556875B (zh) | 2023-11-17 |
Family
ID=75715736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980101452.XA Active CN114556875B (zh) | 2019-11-01 | 2019-11-01 | 符号处理的方法与装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11843485B2 (zh) |
EP (1) | EP4033708A4 (zh) |
CN (1) | CN114556875B (zh) |
AU (1) | AU2019472104B2 (zh) |
WO (1) | WO2021082008A1 (zh) |
Citations (4)
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)
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 |
-
2019
- 2019-11-01 AU AU2019472104A patent/AU2019472104B2/en active Active
- 2019-11-01 WO PCT/CN2019/115142 patent/WO2021082008A1/zh unknown
- 2019-11-01 CN CN201980101452.XA patent/CN114556875B/zh active Active
- 2019-11-01 EP EP19950712.0A patent/EP4033708A4/en active Pending
-
2022
- 2022-04-28 US US17/731,326 patent/US11843485B2/en active Active
Patent Citations (4)
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)
Title |
---|
"\"R1-1719368 NPRACH range enhancements for NB-IoT\"" * |
Also Published As
Publication number | Publication date |
---|---|
EP4033708A1 (en) | 2022-07-27 |
AU2019472104A1 (en) | 2022-05-26 |
US20220263693A1 (en) | 2022-08-18 |
WO2021082008A1 (zh) | 2021-05-06 |
US11843485B2 (en) | 2023-12-12 |
EP4033708A4 (en) | 2022-10-05 |
CN114556875B (zh) | 2023-11-17 |
AU2019472104B2 (en) | 2024-01-25 |
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