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Communication system employing reuse of satellite spectrum for terrestrial communication

  • US 7,016,646 B2
  • Filed: 07/18/2003
  • Issued: 03/21/2006
  • Est. Priority Date: 06/26/1998
  • Status: Expired due to Fees
First Claim
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1. A terrestrial communication system using satellite uplink and downlink frequencies used by satellites, comprising:

  • at least one terrestrial user terminal transmitting, without using said satellites, a first signal on at least one satellite downlink frequency and receiving, without using said satellites, a second signal on at least one satellite uplink frequency, wherein the first signal frequency is different than the second signal frequency.

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