Communication system as a secondary platform with frequency reuse
A communications system (10) and method of operating the communications system includes a first stratospheric platform generating a second beam having a frequency the same as a satellite beam to the same service area. User terminals are configured to receive the first beam or the second beam.
The DirecTV Group, Inc.
H H
H04B H04B
inventional additional
Ying Donald C. D. Weizheng Wah Ming U.
Feria Chang Wang Lim Chang