TUNE YOUR LOOP: Questions to keep you sharp.

Tune Your Loop is a series of posts consisting of questions from ISA Training Courses.

1. List the limiting factors in using a cellular telephone network for wireless data
transmission.

[ordered_list style=”lower-alpha”]
  1. ____________________
  2. ____________________
  3. ____________________[/ordered_list]

2. Which system is easier to initially implement?

[ordered_list style=”lower-alpha”]
  1. Narrowband
  2. Frequency Hopping spread spectrum
  3. Direct Sequence spread spectrum[/ordered_list]

3. List three benefits associated with having a wireless sensor.

[ordered_list style=”lower-alpha”]
  1. ____________________
  2. ____________________
  3. ____________________[/ordered_list]

4. Circle the name of the organization that regulates the use of the frequency
spectrum within the United States.

[ordered_list style=”lower-alpha”]
  1. Dept of Energy
  2. Federal Communications Commission
  3. NASA[/ordered_list]

 

What are your answers before you read ahead?

1. integration difficulties, variations in cellular telephony infrastructure, susceptibility to latency
and variable attenuation (dropouts)

2. A. Narrowband

3. Ease of installation, reduced maintenance costs, small form factors

4. B. Federal Communications Commission

 

From the ISA Course Applications of Industrial Wireless Systems (SP25C) pre-instructional survey.

 

 

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