×

Dual mode satellite/cellular terminal

  • US 5,757,789 A
  • Filed: 03/11/1997
  • Issued: 05/26/1998
  • Est. Priority Date: 07/12/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. An improved method of radio communications between a network comprising at least two relay stations and a plurality of remote stations using frequency hopping time-division multiple access comprising the steps of:

  • transmitting signals from one of said relay stations to a specific one of said remote stations in a designated timeslot of a repetitive TDMA frame period using a radio channel selected for each successive frame period using a first frequency hopping sequence generator; and

    transmitting signals from another of said relay stations to said specific one of said remote stations in a designated alternate timeslot of said repetitive TDMA frame period using a radio channel selected for each successive frame period using a second frequency hopping sequence generator.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×