TW201242308A - Method for reducing latency on LTE DL implementation - Google Patents

Method for reducing latency on LTE DL implementation Download PDF

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Publication number
TW201242308A
TW201242308A TW101112803A TW101112803A TW201242308A TW 201242308 A TW201242308 A TW 201242308A TW 101112803 A TW101112803 A TW 101112803A TW 101112803 A TW101112803 A TW 101112803A TW 201242308 A TW201242308 A TW 201242308A
Authority
TW
Taiwan
Prior art keywords
symbol
complex
processing
symbols
processor
Prior art date
Application number
TW101112803A
Other languages
English (en)
Chinese (zh)
Inventor
Ido Gazit
Shai Kalfon
Sharon Rosenschein
Original Assignee
Lsi Corp
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 Lsi Corp filed Critical Lsi Corp
Publication of TW201242308A publication Critical patent/TW201242308A/zh

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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
    • 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
    • H04L27/263—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators modification of IFFT/IDFT modulator for performance improvement
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • 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
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers

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)
  • Mobile Radio Communication Systems (AREA)
TW101112803A 2011-04-14 2012-04-11 Method for reducing latency on LTE DL implementation TW201242308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/086,737 US8724722B2 (en) 2011-04-14 2011-04-14 Method for reducing latency on LTE DL implementation

Publications (1)

Publication Number Publication Date
TW201242308A true TW201242308A (en) 2012-10-16

Family

ID=45926452

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101112803A TW201242308A (en) 2011-04-14 2012-04-11 Method for reducing latency on LTE DL implementation

Country Status (6)

Country Link
US (1) US8724722B2 (enExample)
EP (1) EP2512084A1 (enExample)
JP (1) JP5919029B2 (enExample)
KR (1) KR20120117637A (enExample)
CN (1) CN102739600B (enExample)
TW (1) TW201242308A (enExample)

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* Cited by examiner, † Cited by third party
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US9312994B2 (en) 2013-09-30 2016-04-12 Telefonaktiebolaget Lm Ericsson (Publ) Downlink physical layer processing in wireless networks with symbol rate mapping
CN106063145B (zh) * 2014-01-28 2019-10-25 松下电器（美国）知识产权公司 用于发射数据的方法和装置和用于接收数据的方法和装置
WO2015188871A1 (en) * 2014-06-13 2015-12-17 Huawei Technologies Co.,Ltd Transmitter and receiver devices performing repetition before interleaving and puncturing after interleaving and methods thereof
KR102316775B1 (ko) 2015-04-02 2021-10-26 삼성전자 주식회사 무선 셀룰라 통신 시스템에서 전송시간구간 감소를 위한 송수신 방법 및 장치
CN113765630B (zh) 2015-04-02 2024-02-27 三星电子株式会社 无线通信系统中的终端和基站及其执行的方法
US10581559B2 (en) 2016-07-18 2020-03-03 Sharp Kabushiki Kaisha User Equipment, base stations and methods
US10595166B2 (en) 2016-07-18 2020-03-17 Sharp Kabushiki Kaisha Systems and methods for processing time reduction signaling
US10440706B2 (en) 2016-08-08 2019-10-08 Sharp Kabushiki Kaisha Systems and methods for PUCCH resource allocation and HARQ-ACK reporting with processing time reduction
CN113691356B (zh) * 2016-08-11 2023-09-19 松下电器（美国）知识产权公司 通信装置、通信方法、基站和集成电路
US11881915B2 (en) * 2019-04-05 2024-01-23 Lg Electronics Inc. Method for transmitting and receiving signal in wireless communication system, and apparatus therefor
CN112039812B (zh) * 2020-07-17 2023-03-28 哲库科技(北京)有限公司 数据处理方法、装置、设备及存储介质
EP4373022A1 (en) * 2022-11-17 2024-05-22 u-blox AG Method for multiplexing data sources to uplink time and frequency resources by a hardware module

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US7379417B2 (en) * 2003-02-19 2008-05-27 Wipro Limited Orthogonal frequency division multiplexing transmitter system and VLSI implementation thereof
US8223853B2 (en) * 2005-01-11 2012-07-17 Qualcomm Incorporated Method and apparatus for decoding data in a layered modulation system
KR100647987B1 (ko) * 2005-01-27 2006-11-23 삼성전자주식회사 직교주파수분할다중시스템에서 인터리빙 방법
EP1906567A1 (en) 2005-08-05 2008-04-02 Matsushita Electric Industrial Co., Ltd. Radio transmitting apparatus, radio receiving apparatus and wireless communication method
US7813262B1 (en) 2006-12-05 2010-10-12 Xilinx, Inc. Multiple input multiple-output orthogonal frequency-division multiplexing modulator
CN101399585B (zh) 2007-09-27 2012-05-23 北京信威通信技术股份有限公司 Ofdma智能天线系统的用户信号产生及干扰抑制的方法与装置
CN101431357B (zh) 2007-11-08 2012-11-07 电信科学技术研究院 一种数据传输的方法和装置
US8483107B2 (en) * 2008-03-16 2013-07-09 Lg Electronics Inc. Method and apparatus for acquiring resource allocation of control channel
WO2009116769A1 (en) 2008-03-17 2009-09-24 Lg Electronics Inc. Method of transmitting reference signal and transmitter using the same
WO2009134747A1 (en) 2008-04-28 2009-11-05 Nortel Networks Limited Method and apparatus for spectrally efficient link adaptation using harq in ofdma systems
KR101591086B1 (ko) 2008-05-21 2016-02-03 엘지전자 주식회사 다중 안테나 시스템에서 ｈａｒｑ 수행 방법
CN101677311A (zh) * 2008-09-19 2010-03-24 夏普株式会社 单播业务和多媒体广播多播业务复用系统和方法
US8428018B2 (en) 2008-09-26 2013-04-23 Lg Electronics Inc. Method of transmitting reference signals in a wireless communication having multiple antennas
JP5237466B2 (ja) * 2009-01-21 2013-07-17 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） Ｐｕｃｃｈリソースのための自己管理型のネットワーク制御
WO2010121258A1 (en) * 2009-04-17 2010-10-21 Raytheon Compnay Communication system incorporating physical layer waveform structure
KR101717528B1 (ko) * 2010-02-22 2017-03-17 엘지전자 주식회사 Ａｃｋ/ｎａｃｋ 정보를 전송하는 방법 및 이를 위한 장치와, ａｃｋ/ｎａｃｋ 정보를 수신하는 방법 및 이를 위한 장치

Also Published As

Publication number Publication date
JP2012227912A (ja) 2012-11-15
CN102739600B (zh) 2016-04-13
EP2512084A1 (en) 2012-10-17
US8724722B2 (en) 2014-05-13
CN102739600A (zh) 2012-10-17
US20120263246A1 (en) 2012-10-18
KR20120117637A (ko) 2012-10-24
JP5919029B2 (ja) 2016-05-18

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