An adaptive code position modulation scheme for wireless sensor networks

Yong Yuan, Zong Kai Yang, Jianhua He, Wenqing Chen

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    In this letter, an energy-efficient adaptive code position modulation scheme is proposed for wireless sensor networks to provide the relatively stable bit error ratio (BER) performance expected by the upper layers. The system is designed with focus on the adaptive control of transmission power, which is adjusted based on the measured power density of background noise. Interfaces among the modulation module, packet scheduling module and upper layer are provided for flexible adjustments to adapt to the background noise and deliver expected application quality. Simulations with Signal Processing Worksystem (SPW) validate the effectiveness of the scheme.

    Original languageEnglish
    Pages (from-to)481-483
    Number of pages3
    JournalIEEE Communications Letters
    Volume9
    Issue number6
    DOIs
    Publication statusPublished - 29 Aug 2005

    Keywords

    • Code position modulation
    • Transmission power control
    • Wireless sensor network

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