FI114595B - Utbytbar basstation i bandspridningssystem - Google Patents

Utbytbar basstation i bandspridningssystem Download PDF

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Publication number
FI114595B
FI114595B FI965222A FI965222A FI114595B FI 114595 B FI114595 B FI 114595B FI 965222 A FI965222 A FI 965222A FI 965222 A FI965222 A FI 965222A FI 114595 B FI114595 B FI 114595B
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FI
Finland
Prior art keywords
spread spectrum
signal
base
unit
spectrum
Prior art date
Application number
FI965222A
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English (en)
Finnish (fi)
Other versions
FI965222A0 (sv
FI965222A (sv
Inventor
Donald L Schilling
Original Assignee
Interdigital Tech Corp
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Filing date
Publication date
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Publication of FI965222A0 publication Critical patent/FI965222A0/sv
Publication of FI965222A publication Critical patent/FI965222A/sv
Application granted granted Critical
Publication of FI114595B publication Critical patent/FI114595B/sv

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Classifications

    • 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
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • 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
    • H04W88/08—Access point devices
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/20—Master-slave selection or change arrangements

Claims (7)

1. Spritt-spektrumsystem (Spread Spectrum) omfattande en mangfald spritt-spektrumenheter, vilka var 5 och en kan fungera som basstation och fjärrstation, där varje spritt-spektrumenhet kännetecknas av, att den omfattar en basunderenhet (11-21) för användning av spritt-spektrumenheten som basstation, varvid 10 basunderenheten omfattar medel för att motta en mangfald spritt-spektrumsignaler frän mangfalden spritt-spektrumenheter, respektive; medel för att samla mangfalden spritt-15 spektrumsignaler till en mangfald samlade spritt- spektrumsignaler, respektive; medel för att demodulera mangfalden samlade spritt-spektrumsignaler till en mangfald demodulerade signaler, respektive; 20 medel för att kombinera mangfalden demodulerade signaler och en lokal signal till en kombinerad signal; ·/ _· medel för att konvertera den kombinerade .· : signalen till en basdatasignal; • I · .·, ; medel för att sända den spritt-spektrum- • I » • ‘ ,* 25 bearbetade basdatasignalen som en bas-spritt- spektrumsignal ; en f j ärrunderenhet (40) för användning av • ♦ » '·' ’ spritt-spektrumenheten som f järrstation, varvid fjärrunderenheten omfattar 30 medel· för att motta en bas-spritt- : spektrumsignal; medel för att samla den mottagna bas-spritt-spektrumsignalen tili en samlad bas-spritt-spektrumsignal; '1’ medel för att demodulera den samlade spritt- ·,*. 35 spektrumsignalen till en bas-analog signal; ί.'Ί medel för att spritt-spektrum-bearbeta fjärrdatasignalen; 114595 15 medel för att sända den spritt-spektrum- bearbetade fjärrdatasignalen som en av mängfalden spritt-spektrumsignaler; och en kommandounderenhet (41-44) som omkopplar 5 spritt-spektrumenhetens funktion mellan basstation och fjärrstation, vilken kommandoenhet omfattar, medel för att initiera en första kommandosignal som aktiverar basunderenheten; medel för att radiera den första 10 kommandosignalen till mängfalden spritt-spektrumenheter och för att motta en andra kommandosignal; och medel vilket som svar pä den andra kommandosignalen aktiverar fjärrunderenheten.
2. Spritt-spektrum-system enligt patentkrav 1, 15 kännetecknat av, att samlingsmedlet i basunderenheten omfattar: en mängfald produktenheter kopplade till nämnda medel som samlar mängfalden spritt-spektrumsignaler till mängfalden samlade spritt-spektrumsignaler.
3. Spritt-spektrum-system enligt patentkrav 1, kännetecknat av, att samlingsmedlet i basunderenheten : omfattar en mängfald anpassade filter vilka ettvart har :*·,· ett stegsvar som är anpassat till en mängfald .. : chipsekvenser, varvid mängfalden spritt-spektrumsignaler : 25 omfattar en mängfald datasignaler som spritt-spektrum- bearbetas av chipsekvenserna, respektive.
4 * * !!! 4. Spritt-spektrum-system enligt patentkrav 1, ' kännetecknat av, att basunderenhetens medel för spritt- spektrum-bearbetning omfattar en produktenhet. • 30
5. Spritt-spektrum-system enligt patentkrav 1, kännetecknat av, att fjärrunderenhetens medel för att d. samla bas-spritt-spektrumsignalen omfattar en mixer som • ill .···, samlar bas-spritt-spektrumsignalen till den samlade bas- spritt-spektrumsignalen.
6. Spritt-spektrum-system enligt patentkrav 1, : kännetecknat av, att fjärrunderenhetens samlingsmedel 16 1 1 4595 omfattar ett anpassat filter som samlar bas-spritt-spektrumsignalen till en samlab bas-spritt-spektrumsignal.
7. Förfarande för användning av ett spritt-spektrumsystem omfattande en mangfald spritt- 5 spektrumenheter, vilka var och en kan fungera som basstation eller pä en kommandosignal kan omkopplas att fungera som fjärrstation, där varje spritt-spektrumenhet är försedd med en basunderenhet (11-21), en fjärrunderenhet (40) och en kommandounderenhet (41-44), 10 kännetecknat av, att förfarandet omfattar följande steg: en basunderenhet i en första spritt-spektrumenhet mottar vid en första frekvens en mangfald spritt-spektrumsignaler, sända frän mängfalden spritt- spektrumenheter, respektive, varvid den första spritt- 15 spektrumenheten fungerar som basstation; i basunderenheten i den första spritt- spektrumenheten samlas mängfalden spritt-spektrumsignaler; i basunderenheten i den första spritt- spektrumenheten demoduleras mängfalden samlade spritt- 20 spektrumsignaler till en mangfald demodulerade signaler, respektive; j i basunderenheten i den första spritt- spektrumenheten kombineras mängfalden demodulerade signaler och en lokal signal till en kombinerad signal; 25. basunderenheten i den första spritt- spektrumenheten konverteras den kombinerade signalen till en basdatasignal; ‘ i basunderenheten i den första spritt- spektrumenheten spritt-spektrum-bearbetas basdatasignalen; 30 frän basunderenheten i den första spritt- • » I spektrumenheten sands vid en andra frekvens den spritt-spektrum-bearbetade basdatasignalen som en bas-spritt-spektrumsignal; i f järrunderenheten i en andra spritt-35 spektrumenhet mottas vid en andra frekvens bas-spritt- spektrumsignalen, varvid den andra spritt-spektrumenheten fungerar som fjärrstation; 114595 17 i fjärrunderenheten i den andra spritt- spektrumenheten samlas bas-spritt-spektrumsignalen; i fjärrunderenheten i den andra spritt- spektrumenheten demoduleras den samlade bas-spritt-5 spektrumsignalen tili en bas-analog signal; i fjärrunderenheten i den andra spritt- spektrumenheten konverteras en fjärr-analog signal till en fj ärr-datasignal; i fjärrunderenheten i den andra spritt- 10 spektrumenheten spritt-spektrum-bearbetas fjarr- datasignalen; frän fjärrunderenheten i den andra spritt- spektrumenheten sänds vid den första frekvensen den spritt-spektrum-bearbetade fjärrdatasignalen som en av 15 mängfalden spritt-spektrumsignaler; frän en kommandoenhet i den andra spritt- spektrumenheten initieras en kommandosignal som aktiverar en basunderenhet i den andra spritt-spektrumenheten; kommandosignalen radieras tili mängfalden 20 spritt-spektrumenheter; kommandosignalen mottas av den första spritt- * spektrumenheten och som svar pä kommandosignalen aktiveras < en fjärrunderenhet i den första spritt-spektrumenheten; ,· ; och • » ; ·, 25 i basunderenheten i den andra spritt-spektrumenheten mottas vid den första frekvensen mängfalden spritt-spektrumsignaler, varvid den andra spritt-spektrumenheten • fungerar som basstation. 1 ‘ · » · 1 - * < · ( J » > s »
FI965222A 1994-06-29 1996-12-27 Utbytbar basstation i bandspridningssystem FI114595B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/268,186 US5610906A (en) 1994-06-29 1994-06-29 Spread-spectrum changeable base station
US26818694 1994-06-29
US9508561 1995-06-16
PCT/US1995/008561 WO1996001013A1 (en) 1994-06-29 1995-06-16 Spread-spectrum changeable base station

Publications (3)

Publication Number Publication Date
FI965222A0 FI965222A0 (sv) 1996-12-27
FI965222A FI965222A (sv) 1997-02-26
FI114595B true FI114595B (sv) 2004-11-15

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ID=23021847

Family Applications (2)

Application Number Title Priority Date Filing Date
FI965222A FI114595B (sv) 1994-06-29 1996-12-27 Utbytbar basstation i bandspridningssystem
FI20040598A FI121207B (sv) 1994-06-29 2004-04-28 Kommunikationsenhet i ett bandspridningssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI20040598A FI121207B (sv) 1994-06-29 2004-04-28 Kommunikationsenhet i ett bandspridningssystem

Country Status (16)

Country Link
US (8) US5610906A (sv)
EP (3) EP1333597B1 (sv)
JP (1) JP2849691B2 (sv)
CN (3) CN100531472C (sv)
AT (2) ATE388579T1 (sv)
AU (1) AU696628B2 (sv)
BR (1) BR9508175A (sv)
CA (1) CA2193842C (sv)
DE (4) DE767993T1 (sv)
DK (2) DK0767993T3 (sv)
ES (2) ES2303572T3 (sv)
FI (2) FI114595B (sv)
HK (2) HK1055043A1 (sv)
NZ (1) NZ289729A (sv)
SE (4) SE519437C2 (sv)
WO (1) WO1996001013A1 (sv)

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JP2849691B2 (ja) 1999-01-20
US20020034174A1 (en) 2002-03-21
SE9604710L (sv) 1997-01-24
ATE388579T1 (de) 2008-03-15
EP0767993A1 (en) 1997-04-16
SE9604710D0 (sv) 1996-12-20
CA2193842A1 (en) 1996-01-11
JPH09510597A (ja) 1997-10-21
DE69531495D1 (de) 2003-09-18
US20130343286A1 (en) 2013-12-26
EP1333597B1 (en) 2008-03-05
ES2136582T3 (es) 2004-05-01
CN1665163A (zh) 2005-09-07
US5926465A (en) 1999-07-20
NZ289729A (en) 1997-06-24
SE519437C2 (sv) 2003-02-25
HK1055043A1 (en) 2003-12-19
EP1924071A1 (en) 2008-05-21
EP0767993B1 (en) 2003-08-13
EP1333597A3 (en) 2005-02-02
DE69535729D1 (de) 2008-04-17
SE529309C2 (sv) 2007-06-26
US7564808B2 (en) 2009-07-21
DE19581690T1 (de) 1999-03-11
FI965222A0 (sv) 1996-12-27
US7054278B2 (en) 2006-05-30
CA2193842C (en) 2000-10-24
SE0302228D0 (sv) 2003-08-18
CN1151808A (zh) 1997-06-11
US20060203892A1 (en) 2006-09-14
DK145396A (da) 1996-12-19
DK0767993T3 (da) 2003-10-06
AU2965995A (en) 1996-01-25
ATE247346T1 (de) 2003-08-15
SE0302228L (sv) 2003-08-18
FI965222A (sv) 1997-02-26
AU696628B2 (en) 1998-09-17
CN1395437A (zh) 2003-02-05
DE69531495T2 (de) 2004-07-01
SE522690C2 (sv) 2004-02-24
SE0203118D0 (sv) 2002-10-23
US6356534B2 (en) 2002-03-12
EP1333597A2 (en) 2003-08-06
WO1996001013A1 (en) 1996-01-11
US20010030947A1 (en) 2001-10-18
US20090274194A1 (en) 2009-11-05
US8526327B2 (en) 2013-09-03
FI20040598A (sv) 2004-04-28
US6295288B1 (en) 2001-09-25
ES2303572T3 (es) 2008-08-16
CN1078024C (zh) 2002-01-16
EP0767993A4 (en) 2000-03-01
ES2136582T1 (es) 1999-12-01
SE0203118L (sv) 2002-12-13
HK1085575A1 (en) 2006-08-25
DE767993T1 (de) 1999-12-30
DE69535729T2 (de) 2009-03-26
CN100531472C (zh) 2009-08-19
CN1203705C (zh) 2005-05-25
FI121207B (sv) 2010-08-13
BR9508175A (pt) 1997-11-11
SE0502559L (sv) 2005-11-23
US5610906A (en) 1997-03-11
SE527185C2 (sv) 2006-01-17

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