Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Reexamination Certificate
2011-08-30
2011-08-30
Trinh, Tan (Department: 2618)
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
C455S427000, C455S013200, C455S135000, C370S316000, C370S317000, C370S333000
Reexamination Certificate
active
08010043
ABSTRACT:
Methods, systems, and apparatuses are presented for improved satellite communications. The satellite system may comprises at least one gateway, a satellite in orbit configured to communicate with the at least one gateway and provide a plurality of spot beams, and a plurality of subscriber terminals. The spot beams may include a first spot beam to illuminate a first region and a second spot beam to illuminate a second region adjacent to and overlapping with the first region. The first spot beam as sent to at least one subscriber terminal may be affected by (1) interference from other signal sources including the second spot beam at a signal-to-interference ratio C/I and (2) noise at a signal-to-noise ratio C/N. Reception of signals from the first spot beam by the at least one of the first plurality of subscriber terminals may be interference-dominated such that C/I is less than C/N.
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Kilpatrick Townsend & Stockton LLP
Trinh Tan
Viasat, Inc.
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