CA2347071A1 - Adaptive duty cycle management method and system for radio transmitters - Google Patents

Adaptive duty cycle management method and system for radio transmitters Download PDF

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Publication number
CA2347071A1
CA2347071A1 CA002347071A CA2347071A CA2347071A1 CA 2347071 A1 CA2347071 A1 CA 2347071A1 CA 002347071 A CA002347071 A CA 002347071A CA 2347071 A CA2347071 A CA 2347071A CA 2347071 A1 CA2347071 A1 CA 2347071A1
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CA
Canada
Prior art keywords
duty cycle
packet
packets
transmission
predetermined
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
CA002347071A
Other languages
French (fr)
Other versions
CA2347071C (en
Inventor
Norman Pearl
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.)
Dataradio Inc
Original Assignee
Dataradio 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
Application filed by Dataradio Inc filed Critical Dataradio Inc
Priority to CA002347071A priority Critical patent/CA2347071C/en
Publication of CA2347071A1 publication Critical patent/CA2347071A1/en
Application granted granted Critical
Publication of CA2347071C publication Critical patent/CA2347071C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • 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

Abstract

A duty cycle management system and method for use in a wireless device having a transmitter which transmits packets in the form of individual packets and/or packet bursts comprising a predetermined maximum number of contiguous packets. The transmitter has an associated predetermined duty cycle limit for transmission of packets and is operable over a duration measurable as a series of time windows each of which comprises a predetermined number of timeslots with each timeslot having a predetermined nominal duration. Transmission of one packet occupies one timeslot. A controller in combination with an instruction set limits the number of packets transmitted during each time period defined by one time window or adjacent time windows, on a sliding basis, so as to limit the duty cycle of transmissions during successive adjacent time windows to the predetermined duty cycle limit. To do so transmission of packets is delayed as needed to establish sufficient idle periods) during the one or adjacent time windows) to maintain the duty cycle within the duty cycle limit. An identification is made prior to the transmission of a packet whether an individual packet or a packet burst transmission mode is to be applied. A counter is used in the preferred embodiment for keeping a running count which correlates to the duty cycle over the period of a time window. The counter is incremented by an amount IC for each timeslot in which a packet is transmitted and is decremented by an amount DC for each idle timeslot, whereby the ratio of IC to DC: is the duty cycle limit. Where a maximum count amount, equal to the predetermined number of timeslots per time window, would be exceeded packet transmission is inhibited.
CA002347071A 2001-05-10 2001-05-10 Adaptive duty cycle management method and system for radio transmitters Expired - Lifetime CA2347071C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002347071A CA2347071C (en) 2001-05-10 2001-05-10 Adaptive duty cycle management method and system for radio transmitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002347071A CA2347071C (en) 2001-05-10 2001-05-10 Adaptive duty cycle management method and system for radio transmitters

Publications (2)

Publication Number Publication Date
CA2347071A1 true CA2347071A1 (en) 2002-11-10
CA2347071C CA2347071C (en) 2004-12-07

Family

ID=4169004

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002347071A Expired - Lifetime CA2347071C (en) 2001-05-10 2001-05-10 Adaptive duty cycle management method and system for radio transmitters

Country Status (1)

Country Link
CA (1) CA2347071C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3963750A4 (en) * 2019-05-02 2022-12-21 Nokia Technologies Oy Enhancing rach operation in new radio under rf exposure requirements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3963750A4 (en) * 2019-05-02 2022-12-21 Nokia Technologies Oy Enhancing rach operation in new radio under rf exposure requirements

Also Published As

Publication number Publication date
CA2347071C (en) 2004-12-07

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Effective date: 20210510