JP6862346B2 - Sc−fdmシンボルストリームのためのチャネル又は干渉推定 - Google Patents

Sc−fdmシンボルストリームのためのチャネル又は干渉推定 Download PDF

Info

Publication number
JP6862346B2
JP6862346B2 JP2017547450A JP2017547450A JP6862346B2 JP 6862346 B2 JP6862346 B2 JP 6862346B2 JP 2017547450 A JP2017547450 A JP 2017547450A JP 2017547450 A JP2017547450 A JP 2017547450A JP 6862346 B2 JP6862346 B2 JP 6862346B2
Authority
JP
Japan
Prior art keywords
channel
interference estimation
modulation symbol
interference
radio frequency
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.)
Active
Application number
JP2017547450A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018511993A5 (https=
JP2018511993A (ja
Inventor
ガール、ピーター
チェン、ワンシ
シュ、ハオ
ルオ、タオ
パテル、シマン・アービンド
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.)
Qualcomm Inc
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 JP2018511993A publication Critical patent/JP2018511993A/ja
Publication of JP2018511993A5 publication Critical patent/JP2018511993A5/ja
Application granted granted Critical
Publication of JP6862346B2 publication Critical patent/JP6862346B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2634Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12Modulator circuits; Transmitter circuits
    • H04L27/122Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • H04L27/26134Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/26524Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2017547450A 2015-03-10 2016-03-10 Sc−fdmシンボルストリームのためのチャネル又は干渉推定 Active JP6862346B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562131081P 2015-03-10 2015-03-10
US62/131,081 2015-03-10
US15/065,272 US11012272B2 (en) 2015-03-10 2016-03-09 Channel or interference estimation for SC-FDM symbol streams
US15/065,272 2016-03-09
PCT/US2016/021769 WO2016145196A1 (en) 2015-03-10 2016-03-10 Channel or interference estimation for sc-fdm symbol streams

Publications (3)

Publication Number Publication Date
JP2018511993A JP2018511993A (ja) 2018-04-26
JP2018511993A5 JP2018511993A5 (https=) 2019-04-04
JP6862346B2 true JP6862346B2 (ja) 2021-04-21

Family

ID=55590163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017547450A Active JP6862346B2 (ja) 2015-03-10 2016-03-10 Sc−fdmシンボルストリームのためのチャネル又は干渉推定

Country Status (6)

Country Link
US (1) US11012272B2 (https=)
EP (1) EP3269103B1 (https=)
JP (1) JP6862346B2 (https=)
KR (1) KR102362148B1 (https=)
CN (1) CN107431685B9 (https=)
WO (1) WO2016145196A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3434055B1 (en) 2016-03-23 2023-05-10 Nokia Technologies Oy Common phase error and/or inter-carrier interference
JP2020502874A (ja) * 2016-11-03 2020-01-23 華為技術有限公司Huawei Technologies Co.,Ltd. データ伝送方法、ネットワーク装置、および端末装置
CN108259150B (zh) * 2016-12-29 2020-09-11 华为技术有限公司 一种信息传输方法及装置
CN108632188B (zh) * 2017-03-17 2021-04-20 华为技术有限公司 一种用于无线通信的方法、装置和系统
KR102435428B1 (ko) 2017-09-27 2022-08-24 삼성전자주식회사 무선 통신 시스템에서 패킷을 전송하기 위한 방법 및 장치
US10944604B2 (en) * 2018-05-25 2021-03-09 Qualcomm Incorporated System and method for communication sub-channel bandwidth adjustment in a millimeter wave (MMW) communication system
US11041948B2 (en) * 2019-04-08 2021-06-22 Apple Inc. Channel estimation combining for secure time of flight applications
US11121900B2 (en) * 2019-05-03 2021-09-14 Qualcomm Incorporated Discrete Fourier transform size decomposition
US11071005B2 (en) * 2019-06-27 2021-07-20 Cisco Technology, Inc. Congestion avoidance with adaptive QoS policy enforcement from SD-WAN controller in SD-WAN networks

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042963B1 (en) 1998-12-11 2006-05-09 Ericsson Inc. Methods and apparatus for decoding variably-coded signals based on prior communication
US20040005010A1 (en) 2002-07-05 2004-01-08 National University Of Singapore Channel estimator and equalizer for OFDM systems
US7046726B2 (en) * 2002-07-18 2006-05-16 Qualcomm, Inc. Method and apparatus for hybrid decision feedback equalization
JP4279646B2 (ja) 2003-10-16 2009-06-17 シャープ株式会社 通信装置
US8135088B2 (en) * 2005-03-07 2012-03-13 Q1UALCOMM Incorporated Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
US8730877B2 (en) * 2005-06-16 2014-05-20 Qualcomm Incorporated Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system
US8885628B2 (en) * 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
JP2007329588A (ja) * 2006-06-06 2007-12-20 Fujitsu Ltd 送信機及び送信方法
JP4327832B2 (ja) 2006-09-15 2009-09-09 株式会社東芝 通信装置およびプログラム
JP5106129B2 (ja) * 2007-01-10 2012-12-26 パナソニック株式会社 基地局装置
DE102007023881A1 (de) 2007-03-26 2008-10-02 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Ermittlung einer unverkürzten Kanalimpulsantwort in einem OFDM-Übertragungssystem
MX2010008596A (es) * 2008-02-04 2010-08-31 Samsung Electronics Co Ltd Multiplexion de control y datos en sistemas de comunicacion.
US8831063B2 (en) 2008-03-18 2014-09-09 Qualcomm Incorporated Single carrier burst structure for decision feedback equalization and tracking
US8526391B2 (en) * 2010-07-23 2013-09-03 Trueposition, Inc. Network based location of mobile transmitters
JP5862362B2 (ja) * 2012-02-24 2016-02-16 アイコム株式会社 通信機および通信方法

Also Published As

Publication number Publication date
CN107431685B (zh) 2020-09-11
US11012272B2 (en) 2021-05-18
KR102362148B1 (ko) 2022-02-10
EP3269103B1 (en) 2021-08-04
JP2018511993A (ja) 2018-04-26
CN107431685A (zh) 2017-12-01
CN107431685B9 (zh) 2025-11-11
KR20170126464A (ko) 2017-11-17
WO2016145196A1 (en) 2016-09-15
US20160269207A1 (en) 2016-09-15
EP3269103A1 (en) 2018-01-17

Similar Documents

Publication Publication Date Title
JP6862346B2 (ja) Sc−fdmシンボルストリームのためのチャネル又は干渉推定
JP6983849B2 (ja) 無認可無線周波数スペクトル帯域を通じたアップリンク制御チャネルの送信
KR102383029B1 (ko) 비허가된 라디오 주파수 스펙트럼 대역을 통해 채널 사용 비콘 신호들을 송신하기 위한 기술들
CN109565393B (zh) 非相干联合传输技术
CN110190942B (zh) 用于配置无执照射频谱带中的上行链路信道的方法和装置
JP6665187B2 (ja) 共有無線周波数スペクトルにおける送信の開始シンボルのためのシンボル期間を決定するための技法
EP3210319B1 (en) Techniques for conveying identification information in a preamble transmission
JP6790093B2 (ja) フレキシブルな複信動作のためのセル識別子および他のパラメータを管理するための技法
CN108476180B (zh) 对基于信道响应的所选择的非频域分量的信道状态信息的传输
CN110622462A (zh) 在无线通信中配置参考信号传输
KR20170096627A (ko) 공유된 라디오 주파수 스펙트럼 대역에서 안테나 서브세트 및 지향성 안테나 채널 액세스
CN107005288A (zh) 发射天线分集方案
JP2017528027A (ja) Mbsfn送信の上でのオーバーレイユニキャストまたはmbsfnデータ送信
JP2018511254A (ja) 周波数選択性チャネルのためのチャネルフィードバック設計
TWI702872B (zh) 多長zt dft-s-ofdm傳輸

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190219

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190219

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20191212

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20191224

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200319

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20200811

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201210

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20201210

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20201217

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20201222

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210302

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210331

R150 Certificate of patent or registration of utility model

Ref document number: 6862346

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250