WO2001076098A3 - Method and apparatus for controlling transmissions of a communications system - Google Patents

Method and apparatus for controlling transmissions of a communications system Download PDF

Info

Publication number
WO2001076098A3
WO2001076098A3 PCT/US2001/009325 US0109325W WO0176098A3 WO 2001076098 A3 WO2001076098 A3 WO 2001076098A3 US 0109325 W US0109325 W US 0109325W WO 0176098 A3 WO0176098 A3 WO 0176098A3
Authority
WO
WIPO (PCT)
Prior art keywords
factors
users
cells
reuse scheme
aspects
Prior art date
Application number
PCT/US2001/009325
Other languages
French (fr)
Other versions
WO2001076098A2 (en
Inventor
Jay R Walton
Mark Wallace
Jack Holtzman
Franklin P Antonio
Original Assignee
Qualcomm 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
Priority to AU4937901D priority Critical patent/AU4937901A/en
Priority to UA2002097538A priority patent/UA73979C2/en
Priority to BR0109639-7A priority patent/BR0109639A/en
Priority to JP2001573660A priority patent/JP4927288B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to CA2404055A priority patent/CA2404055C/en
Priority to AU2001249379A priority patent/AU2001249379B2/en
Priority to MXPA02009418A priority patent/MXPA02009418A/en
Priority to IL151705A priority patent/IL151705A/en
Priority to EP01922596A priority patent/EP1269654B1/en
Publication of WO2001076098A2 publication Critical patent/WO2001076098A2/en
Publication of WO2001076098A3 publication Critical patent/WO2001076098A3/en
Priority to NO20024635A priority patent/NO332501B1/en
Priority to IL197980A priority patent/IL197980A/en
Priority to NO20111585A priority patent/NO20111585L/en
Priority to NO20111586A priority patent/NO335417B1/en

Links

Classifications

    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Abstract

In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the channels associated with the back-off factors. The back-off factors are defined to provide the required power to a large percentage of the users while reducing the amount of interference. In some other aspects, the cells operate using an adaptive reuse scheme that allows the cells to efficiently allocate and reallocate the system resources to reflect changes in the system. A reuse scheme is initially defined and resources are allocated to the cells. During operation, changes in the operating conditions of the system are detected and the reuse scheme is redefined as necessary based on the detected changes. For example, the loading conditions of the cells can be detected, and the resources can be reallocated and/or the reuse scheme can be redefined. In yet other aspects, techniques are provided to efficiency schedule data transmissions and to assign channels to users. Data transmissions can be scheduled based on user priorities, some fairness criteria, system requirements, and other factors. Users are assigned to available channels based on a number of channel assignment schemes. Channel metrics are also provided, which can be used to prioritize users and for channel assignments.
PCT/US2001/009325 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system WO2001076098A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
AU2001249379A AU2001249379B2 (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system
BR0109639-7A BR0109639A (en) 2000-03-30 2001-03-20 Method and equipment for controlling transmissions of a communications system
JP2001573660A JP4927288B2 (en) 2000-03-30 2001-03-20 Apparatus and method for controlling transmission of communication system
IL151705A IL151705A (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system
CA2404055A CA2404055C (en) 2000-03-30 2001-03-20 A method of controlling transmission in a communications system using power back-off factors
UA2002097538A UA73979C2 (en) 2000-03-30 2001-03-20 Method for controlling data transmission (variants), method for using data transmitters (variants), and method for transmitting data to data receivers in a wireless communication system
MXPA02009418A MXPA02009418A (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system.
AU4937901D AU4937901A (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system
EP01922596A EP1269654B1 (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system
NO20024635A NO332501B1 (en) 2000-03-30 2002-09-27 Method and apparatus for controlling and controlling a communication system
IL197980A IL197980A (en) 2000-03-30 2009-04-05 Method and apparatus for controlling transmissions of a communications system
NO20111585A NO20111585L (en) 2000-03-30 2011-11-18 Method and apparatus for controlling and controlling a communication system
NO20111586A NO335417B1 (en) 2000-03-30 2011-11-18 Method and apparatus for controlling and controlling a communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/539,157 US6493331B1 (en) 2000-03-30 2000-03-30 Method and apparatus for controlling transmissions of a communications systems
US09/539,157 2000-03-30

Publications (2)

Publication Number Publication Date
WO2001076098A2 WO2001076098A2 (en) 2001-10-11
WO2001076098A3 true WO2001076098A3 (en) 2002-08-01

Family

ID=24150033

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/009325 WO2001076098A2 (en) 2000-03-30 2001-03-20 Method and apparatus for controlling transmissions of a communications system

Country Status (16)

Country Link
US (2) US6493331B1 (en)
EP (6) EP1269654B1 (en)
JP (3) JP4927288B2 (en)
KR (2) KR100896156B1 (en)
CN (1) CN1432221A (en)
AU (2) AU4937901A (en)
BR (1) BR0109639A (en)
CA (2) CA2404055C (en)
HK (3) HK1119314A1 (en)
IL (2) IL151705A (en)
MX (1) MXPA02009418A (en)
NO (3) NO332501B1 (en)
RU (1) RU2264036C2 (en)
TW (1) TW512602B (en)
UA (1) UA73979C2 (en)
WO (1) WO2001076098A2 (en)

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US9585023B2 (en) 2003-10-30 2017-02-28 Qualcomm Incorporated Layered reuse for a wireless communication system

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US9585023B2 (en) 2003-10-30 2017-02-28 Qualcomm Incorporated Layered reuse for a wireless communication system

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