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Performance Trade-off in an Adaptive IEEE 802.11ad Waveform Design for a Joint Automotive Radar and Communication System

Citation Author(s):
Preeti Kumari, Duy H. N. Nguyen, and Robert W. Heath Jr.
Submitted by:
Preeti Kumari
Last updated:
8 May 2018 - 12:39pm
Document Type:
Poster
Document Year:
2017
Event:
Presenters:
Preeti Kumari
Paper Code:
ICASSP1701
 

The IEEE 802.11ad waveform can be used for automotive radar by exploiting the Golay complementary sequences in the preamble of a frame. The performance of radar, however, is limited by the preamble structure. In this paper, we propose an adaptive preamble design that permits a trade-off between radar parameters’ estimation accuracy and communication rate. To quantify this trade-off, we propose a minimum mean square error (MMSE) metric based on rate distortion theory. The simulation results demonstrate that by adapting the preamble structure, we can achieve decimeter-level range mean square error (MSE) per symbol duration and gigabit per second (Gbps) data rates simultaneously for a distance up to 280 m.

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