Lens Antennas for Communications from High-Altitude Platforms

This chapter contains sections titled:

• Introduction

• The High-Altitude Platform Concept

• Advantages of Lenses over Reflector Antennas

• Development of a Shaped Beam Low-Sidelobe Lens Antenna with Asymmetric Pattern

• Lens Antenna Payload Model

• Multifeed Lens

• Multiple Beam Spherical Lens Antennas for HAP Payload