1. List the limiting factors in using a cellular telephone network for wireless data
2. Which system is easier to initially implement?[ordered_list style=”lower-alpha”]
- Frequency Hopping spread spectrum
- Direct Sequence spread spectrum[/ordered_list]
3. List three benefits associated with having a wireless sensor.[ordered_list style=”lower-alpha”]
4. Circle the name of the organization that regulates the use of the frequency
spectrum within the United States.
- Dept of Energy
- Federal Communications Commission
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.