CA2072989A1 - Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system - Google Patents

Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

Info

Publication number
CA2072989A1
CA2072989A1 CA002072989A CA2072989A CA2072989A1 CA 2072989 A1 CA2072989 A1 CA 2072989A1 CA 002072989 A CA002072989 A CA 002072989A CA 2072989 A CA2072989 A CA 2072989A CA 2072989 A1 CA2072989 A1 CA 2072989A1
Authority
CA
Canada
Prior art keywords
cell
site
power
mobile unit
mobile telephone
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002072989A
Other languages
French (fr)
Other versions
CA2072989C (en
Inventor
Klein S. Gilhousen
Roberto Padovani
Charles E. Wheatley, Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Individual
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=23718586&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2072989(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2072989A1 publication Critical patent/CA2072989A1/en
Application granted granted Critical
Publication of CA2072989C publication Critical patent/CA2072989C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/30—Layered or coated, e.g. dust-preventing coatings
    • C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/04—Purifying; Deproteinising
    • 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
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
    • 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
    • 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
    • H04W52/12—Outer and inner loops
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S71/00—Chemistry: fertilizers
    • Y10S71/903—Soil conditioner

Abstract

A power control system for a cellular mobile telephone system in which system users communicate information signals between one another via at least one cell-site using code division multiple access spread spectrum communication signals. The power control system controls transmission signal power for each cellular mobile telephone in the cellular mobile telephone system wherein each cellular mobile telephone has an antenna (70), a transmitter (84), and a receiver (72, 74) and each cell-site also has an antenna (52), a transmitter (62), and a receiver (54, 56). Cell-site transmitted signal power is measured as received at the mobile unit. Transmitted power at the mobile unit is adjusted by transmit power control units (76, 80) in an opposite man-ner with respect to increases and decreases in received signal power.
A power control feedback scheme may also be utilized. At the cell-site communicating with the mobile unit, the mobile unit transmitted pow-er is measured by the received power measurement unit (60) at the cell-site. A command signal is generated at the cell-site and transmit-ted to the mobile unit for further adjusting mobile unit transmitter power corresponding to deviations in the cell-site received signal pow-er. The feedback scheme is used to further adjust the mobile unit transmitter power so that mobile unit transmitted signals arrive at the cell-site at a desired power level.
CA002072989A 1989-11-07 1990-11-05 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system Expired - Lifetime CA2072989C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/433,031 US5056109A (en) 1989-11-07 1989-11-07 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US433,031 1989-11-07
PCT/US1990/006418 WO1991007037A1 (en) 1989-11-07 1990-11-05 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

Publications (2)

Publication Number Publication Date
CA2072989A1 true CA2072989A1 (en) 1991-05-08
CA2072989C CA2072989C (en) 2002-01-15

Family

ID=23718586

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002072989A Expired - Lifetime CA2072989C (en) 1989-11-07 1990-11-05 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

Country Status (22)

Country Link
US (1) US5056109A (en)
EP (1) EP0500689B2 (en)
JP (1) JP2776632B2 (en)
KR (1) KR100215947B1 (en)
CN (3) CN1025402C (en)
AT (1) ATE163822T1 (en)
AU (1) AU646001B2 (en)
BR (1) BR9007826A (en)
CA (1) CA2072989C (en)
DE (1) DE69032105T3 (en)
DK (1) DK0500689T4 (en)
ES (1) ES2113862T5 (en)
FI (1) FI109495B (en)
GR (1) GR3026454T3 (en)
HK (1) HK1010077A1 (en)
IL (1) IL96218A (en)
MX (1) MX172367B (en)
MY (1) MY104785A (en)
NO (1) NO304206B1 (en)
SG (1) SG48360A1 (en)
WO (1) WO1991007037A1 (en)
ZA (1) ZA908859B (en)

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AU6728390A (en) 1991-05-31
MY104785A (en) 1994-05-31
NO921792L (en) 1992-07-06
EP0500689A1 (en) 1992-09-02
KR920702130A (en) 1992-08-12
DE69032105D1 (en) 1998-04-09
DE69032105T3 (en) 2003-12-18
US5056109A (en) 1991-10-08
CN1025402C (en) 1994-07-06
EP0500689B2 (en) 2003-03-05
EP0500689A4 (en) 1993-02-24
DE69032105T2 (en) 1998-10-08
BR9007826A (en) 1992-08-25
IL96218A0 (en) 1991-08-16
MX172367B (en) 1993-12-14
NO921792D0 (en) 1992-05-06
DK0500689T3 (en) 1998-12-21
FI109495B (en) 2002-08-15
CN1035591C (en) 1997-08-06
DK0500689T4 (en) 2003-05-26
ES2113862T5 (en) 2003-09-16
JPH04502841A (en) 1992-05-21
FI922083A0 (en) 1992-05-07
NO304206B1 (en) 1998-11-09
FI922083A (en) 1992-05-07
ZA908859B (en) 1991-09-25
JP2776632B2 (en) 1998-07-16
HK1010077A1 (en) 1999-06-11
KR100215947B1 (en) 1999-08-16
ATE163822T1 (en) 1998-03-15
WO1991007037A1 (en) 1991-05-16
IL96218A (en) 1994-02-27
CN1053870A (en) 1991-08-14
GR3026454T3 (en) 1998-06-30
AU646001B2 (en) 1994-02-03
CN1086895C (en) 2002-06-26
ES2113862T3 (en) 1998-05-16
EP0500689B1 (en) 1998-03-04
CA2072989C (en) 2002-01-15
SG48360A1 (en) 1998-04-17
CN1090107A (en) 1994-07-27
CN1159720A (en) 1997-09-17

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