BRPI0917098A2 - sistema de comunicação sem fio, dispositivo de estação base, dispositivo de estação móvel, e método de comunicação - Google Patents

sistema de comunicação sem fio, dispositivo de estação base, dispositivo de estação móvel, e método de comunicação

Info

Publication number
BRPI0917098A2
BRPI0917098A2 BRPI0917098A BRPI0917098A BRPI0917098A2 BR PI0917098 A2 BRPI0917098 A2 BR PI0917098A2 BR PI0917098 A BRPI0917098 A BR PI0917098A BR PI0917098 A BRPI0917098 A BR PI0917098A BR PI0917098 A2 BRPI0917098 A2 BR PI0917098A2
Authority
BR
Brazil
Prior art keywords
station device
base station
wireless communication
communication system
mobile station
Prior art date
Application number
BRPI0917098A
Other languages
English (en)
Inventor
Isao Hirakawa
Kazuhiro Abe
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0917098A2 publication Critical patent/BRPI0917098A2/pt
Publication of BRPI0917098B1 publication Critical patent/BRPI0917098B1/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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/322—Power control of broadcast channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0917098-7A 2008-08-05 2009-08-04 Sistema de comunicação sem fio, dispositivo de estação base, dispositivo de estação móvel, e método de comunicação BRPI0917098B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008201657 2008-08-05
JP2008-201657 2008-08-05
PCT/JP2009/063796 WO2010016481A1 (ja) 2008-08-05 2009-08-04 無線通信システム、基地局装置、移動局装置、通信方法

Publications (2)

Publication Number Publication Date
BRPI0917098A2 true BRPI0917098A2 (pt) 2016-02-16
BRPI0917098B1 BRPI0917098B1 (pt) 2018-07-03

Family

ID=41663698

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917098-7A BRPI0917098B1 (pt) 2008-08-05 2009-08-04 Sistema de comunicação sem fio, dispositivo de estação base, dispositivo de estação móvel, e método de comunicação

Country Status (12)

Country Link
US (1) US9020516B2 (pt)
EP (1) EP2312779A4 (pt)
JP (1) JP4684371B2 (pt)
KR (1) KR101565194B1 (pt)
CN (1) CN102171959B (pt)
AU (1) AU2009278433B2 (pt)
BR (1) BRPI0917098B1 (pt)
CA (1) CA2732975C (pt)
MX (1) MX2011001292A (pt)
TW (1) TWI481294B (pt)
WO (1) WO2010016481A1 (pt)
ZA (1) ZA201101692B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011054148A1 (zh) * 2009-11-06 2011-05-12 华为技术有限公司 一种资源配置方法和装置
US9241287B2 (en) * 2011-09-13 2016-01-19 Qualcomm Incorporated Narrow bandwidth operation in LTE
WO2013141584A1 (ko) * 2012-03-19 2013-09-26 엘지전자 주식회사 참조 신호를 전송하는 방법 및 이러한 방법을 사용하는 장치
CN104041158B (zh) 2012-12-27 2019-02-01 华为技术有限公司 信号处理方法和设备
US10251134B2 (en) 2014-07-24 2019-04-02 Lg Electronics Inc. Method and apparatus for controlling transmission power
US10396873B2 (en) 2014-09-24 2019-08-27 Mediatek Inc. Control signaling in a beamforming system
US9882620B2 (en) 2014-09-24 2018-01-30 Mediatek Inc. Synchronization in a beamforming system
JP6505330B2 (ja) * 2016-10-28 2019-04-24 三菱電機株式会社 無線制御装置
US10404426B2 (en) 2016-12-08 2019-09-03 Nxp Usa, Inc. Signal transmission method and transmitting device
WO2021176532A1 (ja) * 2020-03-02 2021-09-10 日本電信電話株式会社 無線通信システム、無線通信方法及び送信装置
US20250183947A1 (en) * 2023-12-04 2025-06-05 Qualcomm Incorporated Full transmit power beamforming for single user multi-input multi-output transmission

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7440509B2 (en) * 2001-06-21 2008-10-21 Motorola, Inc. Method and system for interference averaging in a wireless communication system
US9338767B2 (en) * 2005-12-22 2016-05-10 Qualcomm Incorporated Methods and apparatus of implementing and/or using a dedicated control channel
WO2007108080A1 (ja) * 2006-03-20 2007-09-27 Fujitsu Limited 基地局およびそのmimo-ofdm通信方法
WO2007117127A1 (en) * 2006-04-12 2007-10-18 Lg Electronics Inc. Method for allocating reference signals in mimo system
JP5006001B2 (ja) * 2006-08-22 2012-08-22 株式会社エヌ・ティ・ティ・ドコモ 下りリンクｍｉｍｏ伝送制御方法および基地局装置
JP4794412B2 (ja) 2006-10-18 2011-10-19 三洋電機株式会社 受信方法ならびにそれを利用した受信装置および無線装置
US8213541B2 (en) * 2006-09-12 2012-07-03 Hera Wireless S.A. Receiving method for receiving signals by a plurality of antennas, and a receiving apparatus and a radio apparatus using the same
KR101355313B1 (ko) * 2006-10-12 2014-01-23 엘지전자 주식회사 Ｍｉｍｏ 시스템에서의 참조신호 배치 방법
UA96462C2 (uk) * 2006-11-01 2011-11-10 Квелкомм Інкорпорейтед Способи та пристрої для пошуку стільників в ортогональній системі безпровідного зв'язку
JP5159274B2 (ja) * 2006-11-30 2013-03-06 パナソニック株式会社 無線送信装置及び無線送信方法
AU2008229273A1 (en) * 2007-03-21 2008-09-25 Interdigital Technology Corporation MIMO wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode
KR101414611B1 (ko) * 2007-04-19 2014-07-07 엘지전자 주식회사 다중 안테나 시스템에서 신호 송신 방법
CN101682384A (zh) * 2007-05-31 2010-03-24 松下电器产业株式会社 无线通信移动台装置和循环延迟分集模式判定方法
US8369450B2 (en) * 2007-08-07 2013-02-05 Samsung Electronics Co., Ltd. Pilot boosting and traffic to pilot ratio estimation in a wireless communication system
JP5213955B2 (ja) 2008-05-13 2013-06-19 株式会社エヌ・ティ・ティ・ドコモ 基地局、ユーザ装置及び方法
US8102935B2 (en) * 2008-05-19 2012-01-24 Qualcomm Incorporated Estimation of data-to-pilot ratio in a wireless communication system
JP5189460B2 (ja) * 2008-10-30 2013-04-24 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける基地局装置、ユーザ装置及び方法
US8611277B2 (en) * 2009-06-22 2013-12-17 Motorola Mobility Llc Reselection in a wireless communication system

Also Published As

Publication number Publication date
TW201108844A (en) 2011-03-01
MX2011001292A (es) 2011-04-04
EP2312779A1 (en) 2011-04-20
JP4684371B2 (ja) 2011-05-18
KR20110044278A (ko) 2011-04-28
KR101565194B1 (ko) 2015-11-02
EP2312779A4 (en) 2011-08-31
TWI481294B (zh) 2015-04-11
BRPI0917098B1 (pt) 2018-07-03
CA2732975C (en) 2016-03-15
AU2009278433B2 (en) 2015-09-17
US20110182376A1 (en) 2011-07-28
CN102171959B (zh) 2015-06-03
ZA201101692B (en) 2012-05-30
CA2732975A1 (en) 2010-02-11
WO2010016481A1 (ja) 2010-02-11
AU2009278433A1 (en) 2010-02-11
CN102171959A (zh) 2011-08-31
US9020516B2 (en) 2015-04-28
JPWO2010016481A1 (ja) 2012-01-26

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: HUAWEI TECHNOLOGIES CO., LTD. (CN)

B15K Others concerning applications: alteration of classification

Ipc: H04L 27/26 (1968.09), H04W 52/32 (2009.01), H04W 1

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B25A Requested transfer of rights approved