Title :
The Shannon channel capacity of a radar system
Author :
Bidigare, Patrick
Author_Institution :
Veridian Syst. Ann Arbor R&D Center, MI, USA
Abstract :
A radar system can be used in conjunction with a coherent transponder as a communications system. A coherent transponder ("RF tag") received a stream of radar pulses, modifies these and transmits them back to the radar. This enables the RF tag to embed information in the radar data stream. We derive capacity formulas for this radar channel and then calculate these capacities for a specific SAR radar system and the RF tag configuration. We characterize the dependence of capacity on pulse repetition frequency, standoff range, and resolution.
Keywords :
channel capacity; digital radio; radar signal processing; synthetic aperture radar; target tracking; transponders; GMTI radars; RF tag configuration; SAR radar system; Shannon channel capacity; coherent transponder; ground moving target indication radar; noise statistics; pulse repetition frequency; radar data stream; radar pulses; radio frequency; resolution dependence; standoff range dependence; synthetic aperture radar; Channel capacity; Communication channels; Finite impulse response filter; RF signals; Radar antennas; Radar clutter; Radio frequency; Receiving antennas; Synthetic aperture radar; Transponders;
Conference_Titel :
Signals, Systems and Computers, 2002. Conference Record of the Thirty-Sixth Asilomar Conference on
Conference_Location :
Pacific Grove, CA, USA
Print_ISBN :
0-7803-7576-9
DOI :
10.1109/ACSSC.2002.1197159
