WO2004086776A3 - Co-channel wireless communication methods and systems using nonsymmetrical alphabets - Google Patents

Co-channel wireless communication methods and systems using nonsymmetrical alphabets Download PDF

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Publication number
WO2004086776A3
WO2004086776A3 PCT/US2004/008880 US2004008880W WO2004086776A3 WO 2004086776 A3 WO2004086776 A3 WO 2004086776A3 US 2004008880 W US2004008880 W US 2004008880W WO 2004086776 A3 WO2004086776 A3 WO 2004086776A3
Authority
WO
WIPO (PCT)
Prior art keywords
systems
wireless communication
communication methods
channel wireless
return link
Prior art date
Application number
PCT/US2004/008880
Other languages
French (fr)
Other versions
WO2004086776A2 (en
Inventor
Peter D Karabinis
Original Assignee
Mobile Satellite Ventures L P
Peter D Karabinis
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
Priority to US10/795,875 priority Critical patent/US7444170B2/en
Application filed by Mobile Satellite Ventures L P, Peter D Karabinis filed Critical Mobile Satellite Ventures L P
Priority to CA2517067A priority patent/CA2517067C/en
Priority to PCT/US2004/008880 priority patent/WO2004086776A2/en
Priority to AU2004223381A priority patent/AU2004223381C1/en
Priority to EP04758074A priority patent/EP1606956A4/en
Priority to MXPA05010287A priority patent/MXPA05010287A/en
Publication of WO2004086776A2 publication Critical patent/WO2004086776A2/en
Publication of WO2004086776A3 publication Critical patent/WO2004086776A3/en
Priority to AU2010201677A priority patent/AU2010201677B2/en

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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
    • H04B7/18584—Arrangements for data networking, i.e. for data packet routing, for congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/184—Messaging devices, e.g. message centre

Abstract

Wireless communications are transmitted from at least two radioterminals (110a, 110b) to a base station (120) co-channel over a return link using a return link alphabet. Wireless communications are also transmitted from the base station to the at least two radioterminals over a forward link using forward link alphabet that has more symbols than the return link alphabet. The co=channel signal are deciphered at the receiver, while the radio terminal can use a smaller return link alphabet, which can reduce the power dissipation at the radiotermials.
PCT/US2004/008880 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets WO2004086776A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US10/795,875 US7444170B2 (en) 2003-03-24 2004-03-08 Co-channel wireless communication methods and systems using nonsymmetrical alphabets
CA2517067A CA2517067C (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets
PCT/US2004/008880 WO2004086776A2 (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets
AU2004223381A AU2004223381C1 (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets
EP04758074A EP1606956A4 (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets
MXPA05010287A MXPA05010287A (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets.
AU2010201677A AU2010201677B2 (en) 2003-03-24 2010-04-28 Co-channel wireless communication methods and systems using nonsymmetrical alphabets

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US45711803P 2003-03-24 2003-03-24
US45704303P 2003-03-24 2003-03-24
US60/457,043 2003-03-24
US60/457,118 2003-03-24
US60/473,959 2003-05-28
US47395903P 2003-05-29 2003-05-29
US47752203P 2003-06-11 2003-06-11
US60/477,522 2003-06-11
PCT/US2004/008880 WO2004086776A2 (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets

Publications (2)

Publication Number Publication Date
WO2004086776A2 WO2004086776A2 (en) 2004-10-07
WO2004086776A3 true WO2004086776A3 (en) 2007-11-01

Family

ID=42104561

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/008880 WO2004086776A2 (en) 2003-03-24 2004-03-17 Co-channel wireless communication methods and systems using nonsymmetrical alphabets

Country Status (6)

Country Link
US (1) US7444170B2 (en)
EP (1) EP1606956A4 (en)
AU (2) AU2004223381C1 (en)
CA (1) CA2517067C (en)
MX (1) MXPA05010287A (en)
WO (1) WO2004086776A2 (en)

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US7444170B2 (en) 2008-10-28
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WO2004086776A2 (en) 2004-10-07
AU2004223381B2 (en) 2010-06-10
US20040192395A1 (en) 2004-09-30
MXPA05010287A (en) 2005-11-17
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