HK1129970A1 - Coverage improvement in wireless systems with fixed infrastructure based relays - Google Patents

Coverage improvement in wireless systems with fixed infrastructure based relays

Info

Publication number
HK1129970A1
HK1129970A1 HK09107698.1A HK09107698A HK1129970A1 HK 1129970 A1 HK1129970 A1 HK 1129970A1 HK 09107698 A HK09107698 A HK 09107698A HK 1129970 A1 HK1129970 A1 HK 1129970A1
Authority
HK
Hong Kong
Prior art keywords
wireless systems
fixed infrastructure
infrastructure based
coverage improvement
based relays
Prior art date
Application number
HK09107698.1A
Other languages
English (en)
Inventor
Shalini Periyalwar
Shiquan Wu
Original Assignee
Nortel Networks Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37604059&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1129970(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of HK1129970A1 publication Critical patent/HK1129970A1/xx

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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
    • 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
    • H04B7/0452—Multi-user 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04B7/0697—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 spatial multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15592—Adapting at the relay station communication parameters for supporting cooperative relaying, i.e. transmission of the same data via direct - and relayed path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0643—Properties of the code block codes
    • 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
    • H04L25/20—Repeater circuits; Relay circuits
HK09107698.1A 2005-07-06 2009-08-21 Coverage improvement in wireless systems with fixed infrastructure based relays HK1129970A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69699605P 2005-07-06 2005-07-06
US11/242,029 US7406060B2 (en) 2005-07-06 2005-10-04 Coverage improvement in wireless systems with fixed infrastructure based relays
PCT/CA2006/001014 WO2007003034A1 (fr) 2005-07-06 2006-06-22 Mesure de la couverture dans des systemes sans fil dont les relais reposent sur des infrastructures fixes

Publications (1)

Publication Number Publication Date
HK1129970A1 true HK1129970A1 (en) 2009-12-11

Family

ID=37604059

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09107698.1A HK1129970A1 (en) 2005-07-06 2009-08-21 Coverage improvement in wireless systems with fixed infrastructure based relays

Country Status (6)

Country Link
US (3) US7406060B2 (fr)
EP (1) EP1908310A4 (fr)
KR (3) KR101368381B1 (fr)
CN (2) CN103001672A (fr)
HK (1) HK1129970A1 (fr)
WO (1) WO2007003034A1 (fr)

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US20070010196A1 (en) 2007-01-11
US7406060B2 (en) 2008-07-29
WO2007003034A1 (fr) 2007-01-11
CN101411085A (zh) 2009-04-15
KR20130114271A (ko) 2013-10-16
KR101368381B1 (ko) 2014-02-28
CN103001672A (zh) 2013-03-27
EP1908310A1 (fr) 2008-04-09
US20080279135A1 (en) 2008-11-13
KR101432004B1 (ko) 2014-08-20
CN101411085B (zh) 2012-12-19
KR101304134B1 (ko) 2013-09-05
US8520569B2 (en) 2013-08-27
KR20080036192A (ko) 2008-04-25
US20130272346A1 (en) 2013-10-17
EP1908310A4 (fr) 2014-05-14
KR20130025956A (ko) 2013-03-12

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