CPC G01S 13/872 (2013.01) [G01S 7/282 (2013.01); G01S 7/285 (2013.01); G01S 7/352 (2013.01); G01S 13/66 (2013.01)] | 20 Claims |
1. A method for retrofitting an electronically steerable frequency modulation continuous wave (FMCW) radar system, the method comprising:
(a) disconnecting an antenna from an FMCW radar transceiver;
(b) connecting a retrofit transmit/receive module comprising a plurality of single-pole double-throw (SPDT) switches and a plurality of beamforming integrated circuits (BFICs) to the FMCW radar transceiver, each BFIC being connected in series with a corresponding SPDT switch; and
(c) connecting the antenna to the retrofit transmit/receive module,
wherein step (b) comprises connecting one port of each SPDT switch to a transmitter and another port of each SPDT switch to a receiver of the FMCW radar transceiver; and
wherein step (c) comprises connecting each BFIC to a respective set of antenna elements of the antenna.
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