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Newsletter: GL Announces Satellite Channel Test, Simulation, and Measurement Products

Welcome to the February issue of GL Communications' Newsletter providing information and insight into our Satellite Channel Test, Simulation, and Measurement Products.

GL offers test tools to analyze and simulate satellite channels across various interfaces. These include Analog 2-Wire, Analog 4-Wire, T1, E1, IP, T3, E3, OC3 / STM1, and OC12 / STM4. The applications include:

  • Testing GSM backhaul over satellite
  • BER testing across all satellite gateway interfaces
  • Satellite delay and error simulation
  • Voice quality testing
  • Round-trip and one way delay measurement
  • Echo simulation and echo cancellation testing

GSM Backhaul, BER, and Voice Quality Testing


Testing GSM backhaul over satellite:

  • Increasingly popular and cost-effective for mobile services in remote locations
  • Test TRAU frame alignment and handoff in satellite backhaul applications
  • Synchronization testing

(Click to enlarge picture)

(Click to enlarge picture)

Satellite Delay and Error Simulation:

  • Simulate propagation delay across many interfaces (see Figure 2)
  • Simulate errors

Measure Propagation delay:

  • One way digital delay with microsecond accuracy one way analog delay
  • plot satellite delay variation with time

Simulate echo:

  • with USB T1 E1 Analyzer or HD T1 E1 Cards
  • with Analog interfaces

Clock measurement:

  • measure clock drift as function of time

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