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Open-loop power control based on estimations of packet error rate in a Bluetooth radio

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1 Author(s)
Arvelo, E.C. ; San Diego Res. Center, CA, USA

An open-loop power control algorithm is proposed for best-effort reduction of self-interference in multi-standard Bluetooth radios. By exploiting the automatic repeat request scheme built into Bluetooth data packets, the proposed algorithm estimates whether a running packet error rate is above or below a predefined target and adjusts transmit output power accordingly. The optimum algorithm parameters are chosen through a system simulation that weighs statistical and timing metrics equally. The algorithm dynamics are also simulated in a Rayleigh-fading channel model and shown to converge asymmetrically when increasing or decreasing output power in order to sustain the quality of service for a Bluetooth link.

Published in:

Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE  (Volume:3 )

Date of Conference:

20-20 March 2003