Energy-Efficient Physical Layer Design for Wireless Sensor Network Links

被引：0
|
作者：
Costa, Felipe M. [1 ]
Ochiai, Hideki [2 ]
机构：
[1] Nokia Inst Technol, Av Torquato Tapajos,7200 Col Terra Nova, BR-69048660 Manaus, Amazonas, Brazil
[2] Yokohama Natl Univ, Div Elect & Comp Engn, Yokohama, Kanagawa 240, Japan
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC) | 2011年
关键词：
MODULATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study the energy consumption of wireless sensor network links applying three widely used digital modulation schemes, i.e. MQAM, MPSK, and noncoherent MFSK. For MQAM and MPSK, pulse shaping is considered. Both transmitted signal power and circuit power are taken into account where the former is modeled using the relationship between cutoff rate and signal-to-noise ratio (SNR) and the latter is modeled considering the power consumption of typical hardware used in wireless sensor nodes. For each modulation type, the optimum parameters for minimizing the energy per information bit are derived. Moreover, a comparison among the three modulation types is presented.
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页数：5
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