Answer the following questions.
Question 1) Write down main advantages of WLL over a wired subscriber loop?
Question 2) Explain tradeoffs between FDD and TDD in detail?
Question 3) A flat Rayleigh fading signal at 6 GHz is received by a mobile travelling at 80km/hr. Find out the average duration of a fade below the rms level.
Question 4) Name all the cellular systems that don’t support Mobile assisted Handoff.
Question 5) If a GSM uses a frame structure where each frame consists of eight time slot, and each time slot contains 156.25 bits, and data is transmitted at 270.833 kbps in the channel, determine (a) the time duration of a bit, (b) the time duration of a slot (c) the time duration of a frame.
Question 6) Write down the amin requirements for wireless LANs?
Question 7) Explain the nonlinear effects in FDMA?
Question 8) Describe the spectral efficiency of the GMSK modulation scheme used in GSM?
Question 9) Provide block diagram of a wide area paging system.
Question 10) What are the IEEE 802.11 wireless LAN standard?