Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger Shun Hong Tong0
Hai Hu0
Harry Yin Chung Leung0
Date of Patent
April 4, 2023
0Patent Application Number
175041780
Date Filed
October 18, 2021
0Patent Primary Examiner
CPC Code
Satellite communication methods and payloads are described. The payload and methods are designed to enable effective use of carrier signals in the guard band region of a channelized band of spectrum. An on-board digital channelizer may implement a band edge power monitor for measuring power spectral density in the band edges of a channel and, if it exceeds a preset threshold level, downscaling the signal amplitude in the band edges to prevent hardware damage to the payload. The channelizer may further implement a band edge gain adjustment filter for shaping the overall frequency response to flatten the response across adjacent channels, including through the guard band region between the passbands of the adjacent channels.
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