TWI551080B - Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道 - Google Patents

Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道 Download PDF

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Publication number
TWI551080B
TWI551080B TW103126661A TW103126661A TWI551080B TW I551080 B TWI551080 B TW I551080B TW 103126661 A TW103126661 A TW 103126661A TW 103126661 A TW103126661 A TW 103126661A TW I551080 B TWI551080 B TW I551080B
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TW
Taiwan
Prior art keywords
rach
wtru
wireless communication
communication device
transmitted
Prior art date
Application number
TW103126661A
Other languages
English (en)
Chinese (zh)
Other versions
TW201448514A (zh
Inventor
費堤 歐茲魯特
Original Assignee
內數位科技公司
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
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Publication of TW201448514A publication Critical patent/TW201448514A/zh
Application granted granted Critical
Publication of TWI551080B publication Critical patent/TWI551080B/zh

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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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L27/2637—Modulators with direct modulation of individual subcarriers
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW103126661A 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道 TWI551080B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79897006P 2006-05-09 2006-05-09

Publications (2)

Publication Number Publication Date
TW201448514A TW201448514A (zh) 2014-12-16
TWI551080B true TWI551080B (zh) 2016-09-21

Family

ID=38608835

Family Applications (3)

Application Number Title Priority Date Filing Date
TW103126661A TWI551080B (zh) 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道
TW100139489A TWI484784B (zh) 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道
TW096116561A TWI446743B (zh) 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW100139489A TWI484784B (zh) 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道
TW096116561A TWI446743B (zh) 2006-05-09 2007-05-09 Ｏｆｄｍ-ｍｉｍｏ系統隨機存取頻道

Country Status (8)

Country Link
US (4) US8014361B2 (enExample)
EP (1) EP2025189A2 (enExample)
JP (6) JP2009536806A (enExample)
KR (6) KR101241057B1 (enExample)
CN (3) CN104602358A (enExample)
AR (1) AR060989A1 (enExample)
TW (3) TWI551080B (enExample)
WO (1) WO2007133652A2 (enExample)

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Also Published As

Publication number Publication date
KR101579397B1 (ko) 2015-12-21
CN104602360A (zh) 2015-05-06
WO2007133652A2 (en) 2007-11-22
JP2014197903A (ja) 2014-10-16
US20130208684A1 (en) 2013-08-15
KR101573127B1 (ko) 2015-12-01
JP2018107809A (ja) 2018-07-05
JP6283059B2 (ja) 2018-02-21
US8400986B2 (en) 2013-03-19
TWI446743B (zh) 2014-07-21
KR100998550B1 (ko) 2010-12-07
JP2013085271A (ja) 2013-05-09
CN101444137A (zh) 2009-05-27
JP2012109978A (ja) 2012-06-07
KR101459250B1 (ko) 2014-11-12
WO2007133652A3 (en) 2008-01-10
JP2009536806A (ja) 2009-10-15
US20150359006A1 (en) 2015-12-10
TW201448514A (zh) 2014-12-16
KR20130055007A (ko) 2013-05-27
US9930696B2 (en) 2018-03-27
EP2025189A2 (en) 2009-02-18
CN104602358A (zh) 2015-05-06
TW201215019A (en) 2012-04-01
TWI484784B (zh) 2015-05-11
JP2016181915A (ja) 2016-10-13
JP5577397B2 (ja) 2014-08-20
US8014361B2 (en) 2011-09-06
KR20090009965A (ko) 2009-01-23
US20110310940A1 (en) 2011-12-22
KR20090010128A (ko) 2009-01-28
AR060989A1 (es) 2008-07-30
JP5584191B2 (ja) 2014-09-03
KR20130122017A (ko) 2013-11-06
KR101241057B1 (ko) 2013-03-11
TW200746701A (en) 2007-12-16
KR101392057B1 (ko) 2014-05-07
US9113484B2 (en) 2015-08-18
US20070263579A1 (en) 2007-11-15
KR20140107673A (ko) 2014-09-04
CN104602360B (zh) 2021-06-25
KR20120101122A (ko) 2012-09-12

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