FI121905B - Förfarande och anordning för att styra sändningseffekten i ett CDMA-cellulärt mobiltelefonsystem - Google Patents
Förfarande och anordning för att styra sändningseffekten i ett CDMA-cellulärt mobiltelefonsystem Download PDFInfo
- Publication number
- FI121905B FI121905B FI20100206A FI20100206A FI121905B FI 121905 B FI121905 B FI 121905B FI 20100206 A FI20100206 A FI 20100206A FI 20100206 A FI20100206 A FI 20100206A FI 121905 B FI121905 B FI 121905B
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- power
- signal
- transmitter
- mobile unit
- cell
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Classifications
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- 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
- H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- 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
- H04B7/0667—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 of delayed versions of same signal
- H04B7/0671—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 of delayed versions of same signal using different delays between antennas
-
- 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
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- 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
- H04W52/06—TPC algorithms
-
- 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
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power 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
- H04W52/06—TPC algorithms
- H04W52/10—Open loop power control
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmitters (AREA)
- Selective Calling Equipment (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Claims (8)
1. Förfarande för kontroll av sändningssignalstyrka av en mobilenhet (16, 18) i kommu-nikation med ätminstone tvä cellstationsstationer (12, 14) medelst informationsbäran-5 de sprittspektmmmodulerade signaler, kännetecknat därav, att nämnda mobilenhet (16, 18) uppvisar en antenn (70) kopplad tili en sändare (76, 80, 84) och en mottagare (72, 74), nämnda sändare för att generera och sända en informationsbärande spritt-spektrummodulerad signal, som är modulerad med mobilanvändarens inkommande in-formationssignal, nämnda mottagare för att mottaga informationsbärande sprittspekt-10 rummodulerade signaler frän nämnda ätminstone tvä cellstationsstationer (12, 14), och för att sprittspektrumprocessa nämnda mottagna informationsbärande sprittspekt-rummodulerade signaler sä, att mobilanvändarens utgäende infoimationssignal äter-upprättas, vilken är avsedd för en användare av nämnda mobilenhet (16, 18), vilket förfarande omfattar stegen, att: 15 mätä kombinerad signaleffekt i samtidigt mottagna informationsbärande spritt- spektrummodulerade signaler med nämnda mobilenhet (16, 18): variera nämnda mobilenhets (16, 18) sändarsignaleffekt i motsatt överensstäm-melse tili variationer i uppmätt signaleffekt kring en fönitbestämd effektnivä; motta i nämnda mobilenhet (16, 18) effektregleringskommandon frän var och en 20 av nämnda ätminstone tvä cellstationsstationer (12, 14); och dessutom variera nämnda mobilenhets (16, 18) sändarsignaleffekt i överensstämmelse med nämnda mottagna effektregleringskommandon genom att sänka sändarsignaleffekt, dä ätminstone ett av nämnda ätminstone tvä cellstationsstationssända effektregleringskommandon, som mottaget i nämnda mobilenhet (16, 18), anger 25 en sänkning i sändarsignaleffekt, och genom att höja sändarsignaleffekt, dä alla δ o» ^ av nämnda ätminstone tva cellstationsstationssända effektregle- oo 9 ringskommandon, som mottagna i nämnda mobilenhet (16,18), anger en höj- 00 ° ning i sändarsignaleffekt. X tr CL o 30
2. Förfarande enligt patentkravet 1, väri nämnda steg, där nämnda mobilenhets (16, 18) (M o sändarsignaleffekt varieras i överensstämmelse med mottagna effektregleringskom- cv mandon, omfattar, att: tillämpa en logisk-OCH operation pä nämnda mottagna effektregleringskommandon. 59
3. Förfarande enligt patentkravet 1, väri nämnda steg att mätä kombinerad signaleffekt samtidigt i mottagna infomaationsbärande sprittspektrummodulerade signaler dessut-om omfattar steget att generera en mätsignal som anger uppmätt signaleffekt, och väri 5 nämnda steg att variera sändarsignaleffekt i motsatt överensstämmelse med variationer i uppmätt signaleffekt kring en förutbestämd effektnivä omfattar stegen, att: generera en första effektniväseriesignal motsvarande en mobilenhets (16, 18) önskade sändareffektnivä; jämföra nämnda första effektmätningssignal med nämnda första effektniväserie-10 signal; avge en jämförarutsignal motsvarande en skillnad mellan nämnda önskade mobilenhets (16, 18) sändareffektnivä och nämnda uppmätta signaleffekt; avge en motsvarande begränsad jämförarutsignal; och variera nämnda sändares signaleffekt, som svar pä nämnda begränsade jämfö-15 rarutsignal.
4. Förfarande enligt patentkravet 3, väri nämnda steg att variera sändarsignaleffekt i överensstämmelse med mottagna effektregleringskommandon omfattar stegen, att: processa nämnda effektregleringskommandon för att ge ett effekthöjande effekt-20 regleringskommando om samtidigt mottagna effektregleringskommandon frän alla av nämnda ätminstone tvä cellstationsstationer anger en höjning i sändarsignaleffekt, och att ge ett effektsänkande effektregleringskommando om samtidigt mottagna effektregleringskommandon frän ätminstone en av nämnda ätminstone tvä cellstationsstationer (12, 14) anger en höjning i sändarsignaleffekt; ^ 25 samlar nämnda effekthöjande och effektsänkande effektregleringskommandon 0 ^ med avseende pa en förutbestämd förstärkningskontrollnivasättning; CO 9 avge en effektregleringssignal motsvarande nämnda samling av nämnda proces- co ° sade effektregleringskommandon med nämnda förutbestämda förstärkningskon- X 01 trollnivasättning; och o 30 variera nämnda sändares signaleffekt som svar pä nämnda effektreglerings- CNJ o signal, δ CM 60
5. Mobilenhet (16, 18) i lcommunilcation med ätminstone tvä cellstationsstationer (12, 14) medelst informationsbärande sprittspektrummodulerade signaler, kännetecknad där-av, att mobilenheten (16, 18) omfattar: en antenn (70) kopplad till en sändare (84) och en mottagare (72, 74); väri sän-5 daren (84) är anpassad att generera och sända en informationsbärande spritt- spektrummodulerad signal, vilken är modulerad med en mobilanvändares in-kommande informationssignal, mottagaren (72, 74) är anpassad att motta informationsbärande sprittspektrummodulerade signaler frän nämnda ätminstone tvä av nämnda cellstationsstationer (12, 14) och sprittspektramprocessa nämnda 10 mottagna informationsbärande sprittspektrummodulerade signal, för att äterupp- rätta en mobilanvändares utgäende informationssignal, vilken är avsedd för en användare av nämnda mobilen het (16, 18), och aterupprätta effektreglerings-kommandon, som är av sedda för nämnda mobilenhet (16, 18) frän var och en av de ätminstone tvä cellstationsstationer (12, 14); 15 mätningsmedel (96) för att operativt koppia tili nämnda mottagare för att mätä kombinerad signaleffekt i samtidigt mottagna informationsbärande sprittspektrummodulerade signaler och för att avge en mätsignal som anger uppmätt signaleffekt; regleimedel (76) för att operativt koppia tili nämnda sändare, för att motta 20 nämnda mätsignal, för att variera sändarsignaleffelct i motsatt överensstämmelse med variationer i uppmätt signaleffekt loin g en förutbestämd effektniva; och ytterligare regleimedel (78; 80) för att operativt koppia tili nämnda mottagare och sändare, för att motta nämnda effektregleringskommandon, för att sänka sändarsignaleffelct, da ätminstone ett av nämnda ätminstone tvä cellstationssta- ^ 25 tionssända effektregleringskommandon, som mottaget i nämnda mottagare, an- o ^ ger en sänkning i sändarsignaleffekt, och är att höja sändarsignaleffelct, da alla co ? av nämnda ätminstone tvä cellstationssända effektregleringskommandon som 00 ° mottagna i nämnda mottagare anger en höjning i mottagarsignaleffelct. X cc Q_ o 30
6. Mobilenhet (16, 18) enligt patentkravet 5, väri nämnda ytterligare regleimedel (78, 80) o är anordnat att tillämpa en logisk-OCH operation pä nämnda mottagna effektre- o ^ gleringslcommandon. O C?
7. Mobilenhet (16, 18) enligt patentkravet 5, väri nämnda regleimedel omfattar: 61 jämförarmedel för att motta mätsignaler och en första effektniväseriesignal, var-vid nämnda första effektniväseriesignal motsvarar en mobilenhets (16, 18) öns-kade sändareffektniva, för att jämföra nämnda första effektmätningssignal med 5 nämnda första effektniväseriesignal, och för att avge en motsvarande jämförar- utsignal; variabel förstärknings förstärkningsmedel, operativt kopplat tili nämnda sändare, för att motta nämnda jämförarutsignal och som svar pä det variera nämnda sän-dares signaleffekt. 10
8. Mobilenhet (16, 18) enligt patentkravet 7, väri nämnda ytterligare reglermedel omfat-tar: processormedel för att motta nämnda effektregleringskommandon, för att acku-mulera nämnda effektregleringskommandon med en förutbestämd förstärk-15 ningskontrollniväsättning, och för att avge en motsvarande effektregleringssig- nal; och ytterligare variabel förstärknings förstärkningsmedel, operativt kopplat tili nämnda sändare, för att motta nämnda effektregleringssignal och som svar pä det variera nämnda sändares effektsignal. 20 o CNJ co o oo o X en CL CD O CNJ O O O CNJ
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70202991 | 1991-05-17 | ||
US07/702,029 US5265119A (en) | 1989-11-07 | 1991-05-17 | Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
PCT/US1992/004161 WO1992021196A1 (en) | 1991-05-17 | 1992-05-17 | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
US9204161 | 1992-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20100206A FI20100206A (sv) | 2010-05-12 |
FI121905B true FI121905B (sv) | 2011-05-31 |
Family
ID=24819600
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI935105A FI118364B (sv) | 1991-05-17 | 1993-11-17 | Förfarande och anordning för att kontrollera sändningseffekten vid ett CDMA cellulärt mobiltelefonsystem |
FI20070567A FI121253B (sv) | 1991-05-17 | 2007-07-25 | Förfarande och anordning för att styra sändningseffekten i ett CDMA-cellulärt mobiltelefonsystem |
FI20100206A FI121905B (sv) | 1991-05-17 | 2010-05-12 | Förfarande och anordning för att styra sändningseffekten i ett CDMA-cellulärt mobiltelefonsystem |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI935105A FI118364B (sv) | 1991-05-17 | 1993-11-17 | Förfarande och anordning för att kontrollera sändningseffekten vid ett CDMA cellulärt mobiltelefonsystem |
FI20070567A FI121253B (sv) | 1991-05-17 | 2007-07-25 | Förfarande och anordning för att styra sändningseffekten i ett CDMA-cellulärt mobiltelefonsystem |
Country Status (17)
Country | Link |
---|---|
US (1) | US5265119A (sv) |
EP (3) | EP0584241B1 (sv) |
JP (1) | JP3014757B2 (sv) |
AT (2) | ATE434869T1 (sv) |
AU (1) | AU653039B2 (sv) |
CA (1) | CA2102114C (sv) |
DE (2) | DE69233762D1 (sv) |
DK (1) | DK0584241T3 (sv) |
ES (2) | ES2327094T3 (sv) |
FI (3) | FI118364B (sv) |
HK (2) | HK1016422A1 (sv) |
HU (1) | HU215857B (sv) |
NO (3) | NO309219B1 (sv) |
RU (1) | RU2127951C1 (sv) |
SG (1) | SG48018A1 (sv) |
UA (1) | UA42677C2 (sv) |
WO (1) | WO1992021196A1 (sv) |
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