Optimizing power consumption of always-on applications based on timer alignment

Ville Könönen, Pekka Pääkkönen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    18 Citations (Scopus)

    Abstract

    In modern smartphones there exist several applications that periodically establish data connection and/or send data to the network. For example, a mobile email application periodically checks for incoming messages from the server. Packet transmission is usually triggered by expiration of a timer. Wireless radio access resources are activated during transmission, which increases energy consumption of the terminal, particularly when connected over 3G network. Fortunately, timing requirements are usually not strict and therefore application timers can be grouped together by using a timer alignment method. In this paper, we present two timer alignment methods for reduction of energy consumption. In the first both minimum and maximum thresholds of timers are available for alignment, and in the second only the maximum timer value is available. One of the methods was tested in the real environment by using Nokia N97 mobile phone in two different cellular networks. In addition, both methods were tested with a large number of randomly generated timers to find out certain statistical properties of their behavior. The tests presented very promising results, maximal power savings were ~50%. However, the results depend on certain parameters of the cellular network. (10 refs.)
    Original languageEnglish
    Title of host publicationThird International Conference on Communication Systems and Networks, COMSNETS 2011
    Place of PublicationPiscataway, NJ, USA
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Number of pages8
    ISBN (Electronic)978-1-4244-8953-4
    ISBN (Print)978-1-4244-8952-7
    DOIs
    Publication statusPublished - 2011
    MoE publication typeA4 Article in a conference publication
    EventThird International Conference on Communication Systems and Networks, COMSNETS 2011 - Bangalore, India
    Duration: 4 Jan 20118 Jan 2011

    Conference

    ConferenceThird International Conference on Communication Systems and Networks, COMSNETS 2011
    Abbreviated titleCOMSNETS 2011
    CountryIndia
    CityBangalore
    Period4/01/118/01/11

    Fingerprint

    Electric power utilization
    Energy utilization
    Smartphones
    Electronic mail
    Mobile phones
    Servers

    Cite this

    Könönen, V., & Pääkkönen, P. (2011). Optimizing power consumption of always-on applications based on timer alignment. In Third International Conference on Communication Systems and Networks, COMSNETS 2011 Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers . https://doi.org/10.1109/COMSNETS.2011.5716468
    Könönen, Ville ; Pääkkönen, Pekka. / Optimizing power consumption of always-on applications based on timer alignment. Third International Conference on Communication Systems and Networks, COMSNETS 2011. Piscataway, NJ, USA : IEEE Institute of Electrical and Electronic Engineers , 2011.
    @inproceedings{34ca81c18daa471bb3735a54d7683afb,
    title = "Optimizing power consumption of always-on applications based on timer alignment",
    abstract = "In modern smartphones there exist several applications that periodically establish data connection and/or send data to the network. For example, a mobile email application periodically checks for incoming messages from the server. Packet transmission is usually triggered by expiration of a timer. Wireless radio access resources are activated during transmission, which increases energy consumption of the terminal, particularly when connected over 3G network. Fortunately, timing requirements are usually not strict and therefore application timers can be grouped together by using a timer alignment method. In this paper, we present two timer alignment methods for reduction of energy consumption. In the first both minimum and maximum thresholds of timers are available for alignment, and in the second only the maximum timer value is available. One of the methods was tested in the real environment by using Nokia N97 mobile phone in two different cellular networks. In addition, both methods were tested with a large number of randomly generated timers to find out certain statistical properties of their behavior. The tests presented very promising results, maximal power savings were ~50{\%}. However, the results depend on certain parameters of the cellular network. (10 refs.)",
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    Könönen, V & Pääkkönen, P 2011, Optimizing power consumption of always-on applications based on timer alignment. in Third International Conference on Communication Systems and Networks, COMSNETS 2011. IEEE Institute of Electrical and Electronic Engineers , Piscataway, NJ, USA, Third International Conference on Communication Systems and Networks, COMSNETS 2011, Bangalore, India, 4/01/11. https://doi.org/10.1109/COMSNETS.2011.5716468

    Optimizing power consumption of always-on applications based on timer alignment. / Könönen, Ville; Pääkkönen, Pekka.

    Third International Conference on Communication Systems and Networks, COMSNETS 2011. Piscataway, NJ, USA : IEEE Institute of Electrical and Electronic Engineers , 2011.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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    AU - Pääkkönen, Pekka

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    N2 - In modern smartphones there exist several applications that periodically establish data connection and/or send data to the network. For example, a mobile email application periodically checks for incoming messages from the server. Packet transmission is usually triggered by expiration of a timer. Wireless radio access resources are activated during transmission, which increases energy consumption of the terminal, particularly when connected over 3G network. Fortunately, timing requirements are usually not strict and therefore application timers can be grouped together by using a timer alignment method. In this paper, we present two timer alignment methods for reduction of energy consumption. In the first both minimum and maximum thresholds of timers are available for alignment, and in the second only the maximum timer value is available. One of the methods was tested in the real environment by using Nokia N97 mobile phone in two different cellular networks. In addition, both methods were tested with a large number of randomly generated timers to find out certain statistical properties of their behavior. The tests presented very promising results, maximal power savings were ~50%. However, the results depend on certain parameters of the cellular network. (10 refs.)

    AB - In modern smartphones there exist several applications that periodically establish data connection and/or send data to the network. For example, a mobile email application periodically checks for incoming messages from the server. Packet transmission is usually triggered by expiration of a timer. Wireless radio access resources are activated during transmission, which increases energy consumption of the terminal, particularly when connected over 3G network. Fortunately, timing requirements are usually not strict and therefore application timers can be grouped together by using a timer alignment method. In this paper, we present two timer alignment methods for reduction of energy consumption. In the first both minimum and maximum thresholds of timers are available for alignment, and in the second only the maximum timer value is available. One of the methods was tested in the real environment by using Nokia N97 mobile phone in two different cellular networks. In addition, both methods were tested with a large number of randomly generated timers to find out certain statistical properties of their behavior. The tests presented very promising results, maximal power savings were ~50%. However, the results depend on certain parameters of the cellular network. (10 refs.)

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    Könönen V, Pääkkönen P. Optimizing power consumption of always-on applications based on timer alignment. In Third International Conference on Communication Systems and Networks, COMSNETS 2011. Piscataway, NJ, USA: IEEE Institute of Electrical and Electronic Engineers . 2011 https://doi.org/10.1109/COMSNETS.2011.5716468