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NETW360-W1-iLab-Report

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Week 1 iLab Report
Klite Jackson
DeVry University
NETW360: Wireless Technologies and Services
OPNET Preparation and Spread Spectrum Transmission Comparison
Submitted to:
Professor: Gyan Ahluwalia
Date: 7/12/2013

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OPNET Preparation
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Week 1 iLab Report Klite Jackson DeVry University NETW360: Wireless Technologies and Services OPNET Preparation and Spread Spectrum Transmission Comparison Submitted to: Professor: Gyan Ahluwalia Date: 7/12/2013 OPNET Preparation OPNET Preparation Spread Spectrum Transmission Comparison Introduction to Spread Spectrum Transmission Guidelines What is it? Why is it important? What issues are addressed? How does it work? Spread Spectrum techniques are methods by which a signal generated with a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. Spread Spectrum establishes secure communication, increasing resistance to natural interference, noise and jamming, to prevent detection. It's important in military applications when protecting communications. Frequency Hopping Spread Spectrum (FHSS) Frequency hopping is one of two basic modulation techniques used in spread spectrum signal transmission. It is the repeated switching of frequencies during radio transmission, often to minimize the effectiveness of "electronic warfare" - that is, the unauthorized interception or jamming of telecommunications. I use this technique often in the miltary Direct Sequence Spread Spectrum (DSSS) In telecommunications, direct-sequence spread spectrum (DSSS) is a modulation technique. As with other spread spectrum technologies, the transmitted signal takes up more bandwidth than the information signal that is being modulated. Comp ...
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