TWI422176B - 無線裝置 - Google Patents

無線裝置 Download PDF

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Publication number
TWI422176B
TWI422176B TW095133214A TW95133214A TWI422176B TW I422176 B TWI422176 B TW I422176B TW 095133214 A TW095133214 A TW 095133214A TW 95133214 A TW95133214 A TW 95133214A TW I422176 B TWI422176 B TW I422176B
Authority
TW
Taiwan
Prior art keywords
signal
stream
streams
data signal
data
Prior art date
Application number
TW095133214A
Other languages
English (en)
Chinese (zh)
Other versions
TW200718105A (en
Inventor
Seigo Nakao
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200718105A publication Critical patent/TW200718105A/zh
Application granted granted Critical
Publication of TWI422176B publication Critical patent/TWI422176B/zh

Links

Classifications

    • 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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
TW095133214A 2005-09-15 2006-09-08 無線裝置 TWI422176B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71692605P 2005-09-15 2005-09-15

Publications (2)

Publication Number Publication Date
TW200718105A TW200718105A (en) 2007-05-01
TWI422176B true TWI422176B (zh) 2014-01-01

Family

ID=37453394

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095133214A TWI422176B (zh) 2005-09-15 2006-09-08 無線裝置
TW102144351A TWI499233B (zh) 2005-09-15 2006-09-08 無線裝置

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW102144351A TWI499233B (zh) 2005-09-15 2006-09-08 無線裝置

Country Status (8)

Country Link
US (3) US7899413B2 (enExample)
EP (1) EP1925104B1 (enExample)
JP (6) JP3989512B2 (enExample)
KR (2) KR100937802B1 (enExample)
CN (2) CN103220030B (enExample)
DE (1) DE602006019279D1 (enExample)
TW (2) TWI422176B (enExample)
WO (1) WO2007032413A1 (enExample)

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JP5044165B2 (ja) 2006-08-14 2012-10-10 株式会社東芝 マルチアンテナ無線通信システムにおける送信機、受信機及び方法
CN103560808B (zh) 2007-10-01 2015-07-29 松下电器（美国）知识产权公司 无线通信装置和响应信号的解扩方法
WO2010095802A1 (en) 2009-02-18 2010-08-26 Lg Electronics Inc. Coexistent channel access method
US8301177B2 (en) * 2009-03-03 2012-10-30 Intel Corporation Efficient paging operation for femtocell deployment
WO2011050320A1 (en) 2009-10-23 2011-04-28 Marvell World Trade Ltd. Number of streams indication for wlan
CN102598803B (zh) 2009-11-03 2016-06-01 马维尔国际贸易有限公司 通信设备中的功率节省
JP5259809B2 (ja) * 2011-12-05 2013-08-07 株式会社東芝 マルチアンテナ無線通信システムにおける送信機、受信機及び方法
JP5210441B1 (ja) * 2012-01-10 2013-06-12 株式会社エヌ・ティ・ティ・ドコモ 無線リソースの管理方法および管理装置
CN106605374A (zh) * 2014-10-07 2017-04-26 英特尔公司 高效信号字段的并行传输
CN115298998A (zh) * 2020-03-31 2022-11-04 索尼集团公司 用于传送基准信令的方法、发送节点和接收节点

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Publication number Priority date Publication date Assignee Title
WO2005006699A1 (en) * 2003-06-30 2005-01-20 Agere Systems Inc. Methods and apparatus for backwards compatible communication in a multiple antenna communication system using fdm-based preamble structures
US20050084030A1 (en) * 2003-10-16 2005-04-21 Samsung Electronics Co., Ltd. Method of transmitting preamble for synchronization in a MIMO-OFDM communication system
US20050163236A1 (en) * 2004-01-27 2005-07-28 Hammerschmidt Joachim S. Transmission method and apparatus in a multiple antenna communication system
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US20050180386A1 (en) * 2004-02-13 2005-08-18 Broadcom Corporation Device and method for transmitting long training sequence for wireless communications

Also Published As

Publication number Publication date
US20070058522A1 (en) 2007-03-15
JP4290210B2 (ja) 2009-07-01
JP2012050123A (ja) 2012-03-08
JP4290218B2 (ja) 2009-07-01
TW201419782A (zh) 2014-05-16
KR100937802B1 (ko) 2010-01-20
JP5361972B2 (ja) 2013-12-04
JP2007082189A (ja) 2007-03-29
KR101124122B1 (ko) 2012-03-23
EP1925104A1 (en) 2008-05-28
US7899413B2 (en) 2011-03-01
US20110170485A1 (en) 2011-07-14
CN101107792B (zh) 2013-01-23
CN103220030B (zh) 2015-09-09
JP2009055642A (ja) 2009-03-12
CN103220030A (zh) 2013-07-24
US20130128818A1 (en) 2013-05-23
TWI499233B (zh) 2015-09-01
JP3989512B2 (ja) 2007-10-10
DE602006019279D1 (de) 2011-02-10
JP4290220B2 (ja) 2009-07-01
WO2007032413A1 (en) 2007-03-22
TW200718105A (en) 2007-05-01
JP2009027752A (ja) 2009-02-05
US8380141B2 (en) 2013-02-19
EP1925104B1 (en) 2010-12-29
US8976732B2 (en) 2015-03-10
KR20080007514A (ko) 2008-01-21
JP4884488B2 (ja) 2012-02-29
JP2007236000A (ja) 2007-09-13
JP2009105968A (ja) 2009-05-14
CN101107792A (zh) 2008-01-16
KR20090115823A (ko) 2009-11-06

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