WO2002054796A3 - System for fast macrodiversity switching in mobile wireless networks - Google Patents

System for fast macrodiversity switching in mobile wireless networks Download PDF

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Publication number
WO2002054796A3
WO2002054796A3 PCT/US2001/049598 US0149598W WO02054796A3 WO 2002054796 A3 WO2002054796 A3 WO 2002054796A3 US 0149598 W US0149598 W US 0149598W WO 02054796 A3 WO02054796 A3 WO 02054796A3
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WO
WIPO (PCT)
Prior art keywords
zone
bts
channels
host
assistant
Prior art date
Application number
PCT/US2001/049598
Other languages
French (fr)
Other versions
WO2002054796A2 (en
Inventor
Bhupal Kanaiyalal Dharia
Gopal Chillariga
Ujjal Kumar Ghoshtagore
Rohit Kaushal
Gerhard Albert Koepf
Lance Kazumi Uyehara
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Mdiversity 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
Application filed by Mdiversity Inc filed Critical Mdiversity Inc
Priority to AU2001297852A priority Critical patent/AU2001297852A1/en
Publication of WO2002054796A2 publication Critical patent/WO2002054796A2/en
Publication of WO2002054796A3 publication Critical patent/WO2002054796A3/en

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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
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7143—Arrangements for generation of hop patterns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H04B2001/7154—Interference-related aspects with means for preventing interference
    • 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
    • H04B7/0602—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 antenna switching
    • 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
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Abstract

Fast macrodiversity switching (FMS) dynamically switches radio links used for traffic and control channels for a mobile among a number of base transceiver stations (BTS) without changing the radio resource, that is, using the same frequency and time slot combination (TDMA) or frequency and spreading code combination (CDMA). The traffic channel switching is under control of zone managers. Each BTS includes a zone manager where a host BTS has its zone manager designated as a host zone manager and other BTS (assistant BTSs) have their zone managers designated as assistant zone managers. The control by the host and assistant zone managers includes switching down-link signals to and up-link signals from mobile stations among base transceiver stations which include broadcast channels (non-switched) and dedicated (switched) channels. Measurements of the wireless signals are made at macrodiverse locations. Zone managers process the measurements to determine preferred ones of the transceiver stations for particular dedicated channels for a particular mobile station.
PCT/US2001/049598 2000-12-28 2001-12-28 System for fast macrodiversity switching in mobile wireless networks WO2002054796A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001297852A AU2001297852A1 (en) 2000-12-28 2001-12-28 System for fast macrodiversity switching in mobile wireless networks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/750,592 US7433683B2 (en) 2000-12-28 2000-12-28 System for fast macrodiversity switching in mobile wireless networks
US09/750,592 2000-12-28

Publications (2)

Publication Number Publication Date
WO2002054796A2 WO2002054796A2 (en) 2002-07-11
WO2002054796A3 true WO2002054796A3 (en) 2004-01-08

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PCT/US2001/049598 WO2002054796A2 (en) 2000-12-28 2001-12-28 System for fast macrodiversity switching in mobile wireless networks

Country Status (3)

Country Link
US (10) US7433683B2 (en)
AU (1) AU2001297852A1 (en)
WO (1) WO2002054796A2 (en)

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