BR112018067354A2 - equipamento e método para transmitir quadros ofdm de canal único, canal unido e mimo com campos para facilitar o agc, a temporização e a estimação de canal - Google Patents

equipamento e método para transmitir quadros ofdm de canal único, canal unido e mimo com campos para facilitar o agc, a temporização e a estimação de canal

Info

Publication number
BR112018067354A2
BR112018067354A2 BR112018067354A BR112018067354A BR112018067354A2 BR 112018067354 A2 BR112018067354 A2 BR 112018067354A2 BR 112018067354 A BR112018067354 A BR 112018067354A BR 112018067354 A BR112018067354 A BR 112018067354A BR 112018067354 A2 BR112018067354 A2 BR 112018067354A2
Authority
BR
Brazil
Prior art keywords
channel
timing
equipment
decodable
agc
Prior art date
Application number
BR112018067354A
Other languages
English (en)
Inventor
Eitan Alecsander
Sander­Ovich Amichai
Basson Gal
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 BR112018067354A2 publication Critical patent/BR112018067354A2/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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • 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
    • H04L27/2614—Peak power aspects
    • H04L27/262—Reduction thereof by selection of pilot symbols
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

revela-se um equipamento para comunicações sem fio. o equipamento inclui um sistema de processamento configurado para gerar um quadro de canal único, um quadro de canal unido ou um quadro de canal mimo. cada um dos tipos de quadro inclui uma primeira parte e uma segunda parte, a dita primeira parte sendo descodificável por um primeiro dispositivo operando de acordo com um primeiro protocolo, a dita segunda parte não sendo descodificável pelo primeiro dispositivo, em que a primeira e segunda partes são decodificáveis por um segundo dispositivo operando de acordo com um segundo protocolo; e uma interface configurada para gerar a saída do quadro para transmissão. a segunda parte inclui um primeiro campo incluindo dados prbs no domínio da frequência para controle automático de ganho (agc), um segundo campo incluindo uma sequência no domínio do tempo para temporização da janela de amostra de entrada para processamento por transformada rápida de fourier (ftt), e um terceiro campo incluindo pilotos no domínio da frequência para estimação de canal. para mimo, esses campos para diferentes cadeias de transmissão são transmitidos de maneira alinhada temporalmente.
BR112018067354A 2016-03-02 2017-02-23 equipamento e método para transmitir quadros ofdm de canal único, canal unido e mimo com campos para facilitar o agc, a temporização e a estimação de canal BR112018067354A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662302754P 2016-03-02 2016-03-02
US15/439,048 US10333669B2 (en) 2016-03-02 2017-02-22 Apparatus and method for transmitting single channel, bonded channel, and MIMO OFDM frames with fields to facilitate AGC, timing, and channel estimation
PCT/US2017/019187 WO2017151393A2 (en) 2016-03-02 2017-02-23 Apparatus and method for transmitting single channel, bonded channel, and mimo ofdm frames with fields to facilitate agc, timing, and channel estimation

Publications (1)

Publication Number Publication Date
BR112018067354A2 true BR112018067354A2 (pt) 2019-01-15

Family

ID=59724412

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018067354A BR112018067354A2 (pt) 2016-03-02 2017-02-23 equipamento e método para transmitir quadros ofdm de canal único, canal unido e mimo com campos para facilitar o agc, a temporização e a estimação de canal

Country Status (11)

Country Link
US (1) US10333669B2 (pt)
EP (1) EP3424192B1 (pt)
JP (1) JP6591694B2 (pt)
KR (1) KR102075455B1 (pt)
CN (1) CN108702350B (pt)
BR (1) BR112018067354A2 (pt)
CA (1) CA3012865C (pt)
ES (1) ES2764428T3 (pt)
HU (1) HUE046810T2 (pt)
TW (1) TWI697219B (pt)
WO (1) WO2017151393A2 (pt)

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US10355896B2 (en) * 2016-09-09 2019-07-16 Intel Corporation Optimized channel estimation field for enhanced directional multi-gigabit network
US11108603B2 (en) * 2016-10-10 2021-08-31 Qualcomm Incorporated Frame format with dual mode channel estimation field
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US10886988B2 (en) * 2017-06-19 2021-01-05 Intel IP Corporation Apparatus, system and method of communicating a physical layer protocol data unit (PPDU)
WO2019005653A1 (en) * 2017-06-26 2019-01-03 Intel IP Corporation APPARATUS, SYSTEM AND METHOD FOR COMMUNICATING PHYSICAL LAYER PROTOCOL DATA UNIT (PPDU)
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US11546026B2 (en) 2017-10-18 2023-01-03 Intel Corporation Apparatus, system and method of communicating a physical layer protocol data unit (PPDU)
US10863377B2 (en) * 2018-06-27 2020-12-08 Lg Electronics Inc. Signal transmission/reception method in wireless LAN system, and device therefor
CN109039961A (zh) * 2018-07-16 2018-12-18 成都吉纬科技有限公司 用于高速环境下的车地通信方法
TWI681655B (zh) * 2018-10-08 2020-01-01 瑞昱半導體股份有限公司 無線區域網路系統中進行位元層級管理之方法、傳送器以及接收器
CN111262805B (zh) * 2018-11-30 2023-01-13 华为技术有限公司 数据传输方法、装置及系统
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Also Published As

Publication number Publication date
EP3424192A2 (en) 2019-01-09
CN108702350A (zh) 2018-10-23
CN108702350B (zh) 2020-10-27
JP6591694B2 (ja) 2019-10-16
KR20180120175A (ko) 2018-11-05
WO2017151393A2 (en) 2017-09-08
CA3012865C (en) 2021-01-19
EP3424192B1 (en) 2019-09-25
TW201735597A (zh) 2017-10-01
HUE046810T2 (hu) 2020-03-30
US20170257201A1 (en) 2017-09-07
WO2017151393A3 (en) 2017-10-26
US10333669B2 (en) 2019-06-25
CA3012865A1 (en) 2017-09-08
ES2764428T3 (es) 2020-06-03
TWI697219B (zh) 2020-06-21
JP2019512923A (ja) 2019-05-16
KR102075455B1 (ko) 2020-02-10

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Legal Events

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B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]