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ADAPTIVE RADIO OUTPUT SCALING
FOR POWER AND BANDWIDTH SAVING
Koen Zandberg
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ADAPTIVE RADIO OUTPUT SCALING
FOR POWER AND BANDWIDTH SAVING
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ADAPTIVE RADIO OUTPUT SCALING FOR POWER AND BANDWIDTH SAVING Koen - - PowerPoint PPT Presentation
ADAPTIVE RADIO OUTPUT SCALING FOR POWER AND BANDWIDTH SAVING Koen - - PowerPoint PPT Presentation
ADAPTIVE RADIO OUTPUT SCALING FOR POWER AND BANDWIDTH SAVING Koen Zandberg 1 ADAPTIVE RADIO OUTPUT SCALING FOR POWER AND BANDWIDTH SAVING 2 ADAPTIVE RADIO OUTPUT SCALING FOR POWER AND BANDWIDTH SAVING 3 ADAPTIVE RADIO OUTPUT SCALING
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SLIDE 3
ADAPTIVE RADIO OUTPUT SCALING
FOR POWER AND BANDWIDTH SAVING
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ADAPTIVE RADIO OUTPUT SCALING
FOR POWER AND BANDWIDTH SAVING
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ADAPTIVE RADIO OUTPUT SCALING
FOR POWER AND BANDWIDTH SAVING
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METHOD
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FEEDBACK
Retransmissions CSMA-CA (No) ACK RSSI/LQI
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FEEDBACK
Retransmissions CSMA-CA (No) ACK RSSI/LQI
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FEEDBACK
Retransmissions CSMA-CA (No) ACK RSSI/LQI
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PROBING
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PROBING
No Retransmissions Decrease Power
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PROBING
No Retransmissions Decrease Power Retransmissions Increase Power
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PROBING
TCP congestion avoidance style:
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PROBING
TCP congestion avoidance style: Reno
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PROBING
TCP congestion avoidance style: Reno Cubic
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PROBING
RENO (POWER STYLE)
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PROBING
CUBIC (POWER STYLE)
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IMPLEMENTATION
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MEASUREMENTS
REALISTIC URBAN ENVIRONMENT
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RENO STYLE
1 2 3 4 5 6 1780 1785 1790 1795 1800 1805 1810 1815 1820
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- 14
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- 10
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ETX Transmit power (dBm) Time (s)
ETX, pingETX per packet (reno) Transmit power (reno)
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CUBIC STYLE
1 2 3 4 5 6 2210 2215 2220 2225 2230 2235 2240 2245 2250 2255 2260 2265 2270
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- 14
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- 10
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ETX Transmit power (dBm) Time (s)
ETX, pingETX per packet (cubic) Transmit power (cubic)
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CONCLUSION/DISCUSSION
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CONCLUSION/DISCUSSION
Works
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CONCLUSION/DISCUSSION
Works Susceptible to random loss
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CONCLUSION/DISCUSSION
Works Susceptible to random loss Real power saving minimal
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CONCLUSION/DISCUSSION
Works Susceptible to random loss Real power saving minimal Receiver independent
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DEMO
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