Exercises

Question:1 Enlist three electromagnetic signals used for propagation in wireless communication. Discuss each on the parameters of transmission range, attenuation, LoS, gain, and penetration power.

Question:2 Specify the unlicensed frequency bands and the channel assignment plans that wireless local area network (WLAN) equipments were allowed to use within the 2 to 6 GHz range. How does international frequency compatibility help the growth of air interface standards in an unlicensed frequency band?

Question:3 Compare and contrast the various 2.5G technology paths that each of the major 2G standards provide. Which path has the highest Internet access speed? Is this speed true user speed, or peak instantaneous throughput speed? Which technology path was easiest to implement in existing subscriber handsets? Which path would be best suited for real-time network access?