BR112018001546A2 - funcionamento em banda estreita com taxa de amostragem reduzida - Google Patents

funcionamento em banda estreita com taxa de amostragem reduzida

Info

Publication number
BR112018001546A2
BR112018001546A2 BR112018001546A BR112018001546A BR112018001546A2 BR 112018001546 A2 BR112018001546 A2 BR 112018001546A2 BR 112018001546 A BR112018001546 A BR 112018001546A BR 112018001546 A BR112018001546 A BR 112018001546A BR 112018001546 A2 BR112018001546 A2 BR 112018001546A2
Authority
BR
Brazil
Prior art keywords
sampling rate
reduced
symbol
narrowband
timing
Prior art date
Application number
BR112018001546A
Other languages
English (en)
Portuguese (pt)
Inventor
Prasad Malladi Durga
Xu Hao
Lei Jing
Gaal Peter
Wei Yongbin
Original Assignee
Qualcomm Inc
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.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018001546A2 publication Critical patent/BR112018001546A2/pt

Links

Classifications

    • 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]

Landscapes

  • 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)
BR112018001546A 2015-07-27 2016-07-19 funcionamento em banda estreita com taxa de amostragem reduzida BR112018001546A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562197563P 2015-07-27 2015-07-27
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 (1)

Publication Number Publication Date
BR112018001546A2 true BR112018001546A2 (pt) 2018-09-18

Family

ID=57883247

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018001546A BR112018001546A2 (pt) 2015-07-27 2016-07-19 funcionamento em banda estreita com taxa de amostragem reduzida

Country Status (7)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017140590A1 (en) * 2016-02-15 2017-08-24 Telefonaktiebolaget Lm Ericsson (Publ) Nb-iot receiver operating at minimum sampling rate
JP6585307B2 (ja) 2016-02-15 2019-10-02 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 受信回路および方法
EP3417660A1 (en) 2016-02-15 2018-12-26 Telefonaktiebolaget LM Ericsson (PUBL) Downlink time tracking in a nb-lot device with reduced sampling rate
WO2017140477A1 (en) * 2016-02-15 2017-08-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for generating nb-iot ofdm signals with a lower sampling rate
CN108713312B (zh) * 2016-03-11 2021-09-28 奥兰治 用于传输与业务相对应的数据的方法和设备
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
US12068896B2 (en) 2019-02-01 2024-08-20 Apple Inc. On the frame structure design for single carrier waveform
GB202012610D0 (en) 2020-08-13 2020-09-30 British Telecomm Monitoring network connections

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2070301A4 (en) * 2006-08-08 2013-09-25 Blackberry Ltd METHOD AND SYSTEM FOR WIRELESS COMMUNICATION IN SEVERAL OPERATING ENVIRONMENTS
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
CN101689872B (zh) * 2008-07-07 2012-11-28 联发科技股份有限公司 通信装置、收发数据的方法和接收数据的方法
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
JP6122154B2 (ja) * 2013-02-05 2017-04-26 アイディーエーシー ホールディングス インコーポレイテッド パルス整形直交周波数分割多重化
US9112544B2 (en) * 2013-11-27 2015-08-18 Freescale Semiconductor, Inc. Processing data flows over a single common public radio interface
WO2017013533A1 (en) * 2015-07-20 2017-01-26 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
WO2017019371A1 (en) 2017-02-02
US20170033887A1 (en) 2017-02-02
EP3329647A1 (en) 2018-06-06
CN107925646B (zh) 2021-03-23
JP2018523939A (ja) 2018-08-23
KR20180035799A (ko) 2018-04-06
CN107925646A (zh) 2018-04-17
US10341042B2 (en) 2019-07-02

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]