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Conference Paper
Analysis of Power Consumption and Efficient Power Saving Techniques for MIMO-OFDM-Based Wireless LAN Receivers
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- Authors
- Il-Gu Lee, Jung-Bo Son, Eun-Young Choi, Je-Hun Lee, Sok-Kyu Lee
- Issue Date
- 2010-07
- Citation
- International Conference on Sensor Technologies and Applications (SENSORCOMM) 2010, pp.597-601
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we express the power consumption for the wireless receiver employing multiple antenna technique as a closed form function of the number of antennas, time duration, power dissipation for carrier sensing and data decoding, and the probability of successful carrier sensing. Based on the analytical model, we show that when MAC level power save mode is combined with PHY level power save mode utilizing the correlation based carrier sensing indicator, the proposed cross layer power saving technique improves the power efficiency of the wireless receiver. In this paper, we show that the proposed cross layer method improves power at about 15% and 7% efficiency compared to MAC level and PHY level power save mode, respectively. © 2010 IEEE.
- KSP Keywords
- Analytical model, Carrier Sensing, Cross layer method, Multiple input multiple output orthogonal frequency division multiplexing(MIMO-OFDM), Power Consumption, Power Efficiency, Power save mode, Time duration, Wireless Receiver, Wireless local area network(WLAN), closed-form