TW200642336A - Method and system for switching antenna and channel assignments in broadband wireless networks - Google Patents

Method and system for switching antenna and channel assignments in broadband wireless networks

Info

Publication number
TW200642336A
TW200642336A TW094143279A TW94143279A TW200642336A TW 200642336 A TW200642336 A TW 200642336A TW 094143279 A TW094143279 A TW 094143279A TW 94143279 A TW94143279 A TW 94143279A TW 200642336 A TW200642336 A TW 200642336A
Authority
TW
Taiwan
Prior art keywords
channel
downlink
estimated
antenna
measured
Prior art date
Application number
TW094143279A
Other languages
English (en)
Other versions
TWI374624B (en
Inventor
Man-Yuan Shen
Guan-Bin Xing
Hui Liu
Original Assignee
Adaptix Inc
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=36574141&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW200642336(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Adaptix Inc filed Critical Adaptix Inc
Publication of TW200642336A publication Critical patent/TW200642336A/zh
Application granted granted Critical
Publication of TWI374624B publication Critical patent/TWI374624B/zh

Links

Classifications

    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
TW094143279A 2004-12-07 2005-12-07 Method and system for switching antenna and channel assignments in broadband wireless networks TWI374624B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/007,064 US7573851B2 (en) 2004-12-07 2004-12-07 Method and system for switching antenna and channel assignments in broadband wireless networks

Publications (2)

Publication Number Publication Date
TW200642336A true TW200642336A (en) 2006-12-01
TWI374624B TWI374624B (en) 2012-10-11

Family

ID=36574141

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094143279A TWI374624B (en) 2004-12-07 2005-12-07 Method and system for switching antenna and channel assignments in broadband wireless networks

Country Status (11)

Country Link
US (4) US7573851B2 (zh)
EP (1) EP1829225A4 (zh)
JP (1) JP4927755B2 (zh)
KR (1) KR101214392B1 (zh)
CN (2) CN102946265B (zh)
AU (1) AU2005314171B2 (zh)
CA (1) CA2586315C (zh)
IL (1) IL183286A (zh)
MX (1) MX2007006648A (zh)
TW (1) TWI374624B (zh)
WO (1) WO2006062994A2 (zh)

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TWI381662B (zh) * 2007-10-04 2013-01-01 Mediatek Inc 行動台以及用以執行掃瞄程序之裝置及方法
TWI408977B (zh) * 2008-12-18 2013-09-11 Nec Corp 無線通信系統、基地台、無線通信方法

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