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A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network

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Publication number
WO2003079611A8
WO2003079611A8 PCT/US2003/007516 US0307516W WO2003079611A8 WO 2003079611 A8 WO2003079611 A8 WO 2003079611A8 US 0307516 W US0307516 W US 0307516W WO 2003079611 A8 WO2003079611 A8 WO 2003079611A8
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WO
Grant status
Application
Patent type
Prior art keywords
data
node
link
method
rate
Prior art date
Application number
PCT/US2003/007516
Other languages
French (fr)
Other versions
WO2003079611A1 (en )
Inventor
John M Belcea
Original Assignee
Meshnetworks Inc
John M Belcea
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

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC [Transmission power control]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/26TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC [Transmission power control]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/22TPC being performed according to specific parameters taking into account previous information or commands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC [Transmission power control]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC [Transmission power control]
    • H04W52/38TPC being performed in particular situations
    • H04W52/46TPC being performed in particular situations in multi hop networks, e.g. wireless relay networks

Abstract

A system and method for selecting an appropriate transmit power and data rate at which a communication signal is transmitted over a link between nodes in a wireless ad-hoc communication network based on factors such as variations in path loss in the link, fading conditions, noise level estimation and overall link quality. The system and method dynamically computes path loss in the link based on characteristics of a message transmitted from the source node (102, 106, 107) to the destination node (102, 106, 107), determines a noise factor at the destination node, and calculates the power level and rate at which the data is transmitted over the link based on the computed path loss and noise factor. Accordingly, the system and method are capable of determining the proper level of transmit power and data rate for assuring that the destination node will receive the data transmitted by the source node at a reliability of at least 90%.
PCT/US2003/007516 2002-03-15 2003-03-12 A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network WO2003079611A8 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10087016 US6904021B2 (en) 2002-03-15 2002-03-15 System and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network
US10/087,016 2002-03-15

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2003577479A JP4308022B2 (en) 2002-03-15 2003-03-12 System and method for providing adaptive control of the transmission power and data rate of the ad hoc communication network
DE2003632217 DE60332217D1 (en) 2002-03-15 2003-03-12 System and method for providing an adaptive control of the transmission power and data rate in ad-hoc networks
EP20030744645 EP1486032B1 (en) 2002-03-15 2003-03-12 System and method for providing adaptive control of transmit power and data rate in ad-hoc networks
KR20047014546A KR100968079B1 (en) 2002-03-15 2003-03-12 System and Method for Providing Adaptive Control of Transmit Power and Data Rate in AD-HOC Networks
CA 2479014 CA2479014A1 (en) 2002-03-15 2003-03-12 A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network

Publications (2)

Publication Number Publication Date
WO2003079611A1 true WO2003079611A1 (en) 2003-09-25
WO2003079611A8 true true WO2003079611A8 (en) 2004-04-08

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PCT/US2003/007516 WO2003079611A8 (en) 2002-03-15 2003-03-12 A system and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network

Country Status (7)

Country Link
US (1) US6904021B2 (en)
JP (1) JP4308022B2 (en)
KR (1) KR100968079B1 (en)
CA (1) CA2479014A1 (en)
DE (1) DE60332217D1 (en)
EP (1) EP1486032B1 (en)
WO (1) WO2003079611A8 (en)

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US6904021B2 (en) 2005-06-07 grant
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WO2003079611A1 (en) 2003-09-25 application
EP1486032B1 (en) 2010-04-21 grant
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EP1486032A1 (en) 2004-12-15 application
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