Digital Architectures for UWB Beamforming Using 2D IIR Spatio-Temporal Frequency-Planar Filters

Table 10

Computational complexity and throughput of 2nd-order and 3rd-order beam filters of N PPCMs.

N	Order of	Mults.	Mult.s	Adders	Add./sub.s
	SLA	per PPCM	per sec	per PPCM	per sec
2	None	8	8𝑁𝐹clk	8	8𝑁𝐹clk
3	None	15	15𝑁𝐹clk	15	15𝑁𝐹clk
2	2	10	10𝑁𝐹clk	10	10𝑁𝐹clk
3	2	18	18𝑁𝐹clk	18	18𝑁𝐹clk
2	3	12	12𝑁𝐹clk	12	12𝑁𝐹clk
3	3	21	21𝑁𝐹clk	21	21𝑁𝐹clk