CN107925646B - 具有降低的采样率的窄带操作 - Google Patents

具有降低的采样率的窄带操作 Download PDF

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Publication number
CN107925646B
CN107925646B CN201680043754.2A CN201680043754A CN107925646B CN 107925646 B CN107925646 B CN 107925646B CN 201680043754 A CN201680043754 A CN 201680043754A CN 107925646 B CN107925646 B CN 107925646B
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China
Prior art keywords
sampling rate
cyclic prefix
samples
symbol
symbol period
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CN201680043754.2A
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English (en)
Chinese (zh)
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CN107925646A (zh
Inventor
J·雷
H·徐
Y·魏
D·P·玛拉迪
P·盖尔
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/26265—Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
    • 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
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN201680043754.2A 2015-07-27 2016-07-19 具有降低的采样率的窄带操作 Expired - Fee Related CN107925646B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562197563P 2015-07-27 2015-07-27
US62/197,563 2015-07-27
US15/212,595 2016-07-18
US15/212,595 US10341042B2 (en) 2015-07-27 2016-07-18 Narrowband operation with reduced sampling rate
PCT/US2016/042890 WO2017019371A1 (en) 2015-07-27 2016-07-19 Narrowband operation with reduced sampling rate

Publications (2)

Publication Number Publication Date
CN107925646A CN107925646A (zh) 2018-04-17
CN107925646B true CN107925646B (zh) 2021-03-23

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CN201680043754.2A Expired - Fee Related CN107925646B (zh) 2015-07-27 2016-07-19 具有降低的采样率的窄带操作

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Country Link
US (1) US10341042B2 (https=)
EP (1) EP3329647A1 (https=)
JP (1) JP2018523939A (https=)
KR (1) KR20180035799A (https=)
CN (1) CN107925646B (https=)
BR (1) BR112018001546A2 (https=)
WO (1) WO2017019371A1 (https=)

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PL3687104T3 (pl) * 2016-02-15 2022-07-18 Telefonaktiebolaget Lm Ericsson (Publ) Sposób i aparat do generowania sygnałów OFDM NB-IOT z niższą częstotliwością próbkowania
CN108605031A (zh) * 2016-02-15 2018-09-28 瑞典爱立信有限公司 以最小采样率操作的nb-iot接收器
US10797835B2 (en) 2016-02-15 2020-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Receiver circuit and methods
CN108605304B (zh) 2016-02-15 2021-05-14 瑞典爱立信有限公司 采用降低的采样率的NB-IoT装置中的下行链路时间跟踪
WO2017153699A1 (fr) * 2016-03-11 2017-09-14 Orange Procédé et dispositif de transmission multi services avec modulation fc-ofdm et récepteur correspondant
CN108289325B (zh) * 2017-01-09 2022-03-01 中兴通讯股份有限公司 上行和下行传输对齐的方法及装置
CN110463153B (zh) * 2017-02-03 2022-04-19 瑞典爱立信有限公司 无线通信系统中的多个参数集
US10560294B2 (en) 2017-02-21 2020-02-11 Qualcomm Incorporated Methods and apparatus for transmission and reception with partial allocation in orthogonal frequency division multiple access/single-carrier frequency division multiple access systems
CN109379306B (zh) * 2017-08-11 2021-10-15 中兴通讯股份有限公司 一种接收信号的处理方法及装置
US11153781B2 (en) * 2018-08-24 2021-10-19 Qualcomm Incorporated Variable cyclic prefix (CP) within a transmission slot in millimeter wave band
CN113366795B (zh) * 2019-02-01 2024-07-30 苹果公司 关于用于单载波波形的帧结构设计
GB202012610D0 (en) 2020-08-13 2020-09-30 British Telecomm Monitoring network connections

Family Cites Families (16)

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US6928062B2 (en) * 2002-10-29 2005-08-09 Qualcomm, Incorporated Uplink pilot and signaling transmission in wireless communication systems
US8484272B2 (en) * 2004-08-20 2013-07-09 Qualcomm Incorporated Unified pulse shaping for multi-carrier and single-carrier waveforms
US9042461B2 (en) * 2005-03-10 2015-05-26 Qualcomm Incorporated Efficient employment of digital upsampling using IFFT in OFDM systems for simpler analog filtering
ATE524875T1 (de) * 2006-01-24 2011-09-15 Harman Becker Automotive Sys Abtastratenumsetzung
CN101940024A (zh) * 2006-08-08 2011-01-05 北电网络有限公司 多种操作环境中的无线通信方法和系统
US7881398B2 (en) * 2006-08-21 2011-02-01 Agere Systems Inc. FFT numerology for an OFDM transmission system
CN100589471C (zh) * 2006-09-07 2010-02-10 中兴通讯股份有限公司 一种无线信号成帧的循环前缀参数设置方法
EP2266214B1 (en) 2008-03-28 2012-11-07 Huawei Technologies Co., Ltd. Reduction of out-of-band emitted power
US8665695B2 (en) * 2008-07-07 2014-03-04 Mediatek Inc. Methods for transceiving data in multi-band orthogonal frequency division multiple access communications system and communications apparatuses utilizing the same
KR101199400B1 (ko) * 2008-07-08 2012-11-12 엘지전자 주식회사 캐리어 집합 생성 방법 및 캐리어 집합 정보 전송방법
JP2010041687A (ja) 2008-08-08 2010-02-18 Fujitsu Ltd 無線通信装置および無線通信制御方法
WO2011117673A1 (en) * 2010-03-22 2011-09-29 Tanee Demeechai Preamble structure for time-frequency acquisition in ofdm systems with multiple strong narrowband interference
JP5847525B2 (ja) * 2011-10-11 2016-01-27 株式会社Ｎｔｔドコモ 無線通信端末、基地局装置、無線通信システム及び無線通信方法
EP2954650A1 (en) * 2013-02-05 2015-12-16 Interdigital Patent Holdings, Inc. Pulse-shaped orthogonal frequency division multiplexing
US9112544B2 (en) * 2013-11-27 2015-08-18 Freescale Semiconductor, Inc. Processing data flows over a single common public radio interface
EP3326342B1 (en) * 2015-07-20 2019-09-25 Telefonaktiebolaget LM Ericsson (publ) Transceiver architecture that maintains legacy timing by inserting and removing cyclic prefix at legacy sampling rate

Also Published As

Publication number Publication date
KR20180035799A (ko) 2018-04-06
EP3329647A1 (en) 2018-06-06
BR112018001546A2 (pt) 2018-09-18
CN107925646A (zh) 2018-04-17
JP2018523939A (ja) 2018-08-23
WO2017019371A1 (en) 2017-02-02
US20170033887A1 (en) 2017-02-02
US10341042B2 (en) 2019-07-02

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