A Tutorial on Optical Feeding of Millimeter-Wave Phased Array Antennas for Communication Applications

Figure 8

Optical feeding architectures using multiple wavelengths: (a) on-site beamforming with a multiwavelength source, (b) centralized beamforming with a multiwavelength source, (c) multiple mm-wave generators with on-site beamforming, and (d) multiple mm-wave generators with centralized beamforming. ODN: optical distribution network; OBFN: optical beamforming network.

(a)

(b)

(c)

(d)