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1) A spectrum of 30MHz is allocated to a wireless FDD cellular system that uses two 25KHz simplex channels to give full duplex voice and control channels, find out the number of channels available per cell if a system uses:

i. Five-cell reuse

ii. Seven-cell reuse

iii. 10-cell reuse

2) describe Hand off strategies in detail.

3) prepare a detail note on several variations of the CSMA strategy.

4) In IS-95 CDMA system, if W=1.25MHz, R=9600bps and N=14 users

i. Compute Eb/No

ii. When no voice activity is there, find out Eb/No for omnidirectinal antennas

iii. If voice activity = 3/8 and three sector antennas are used, find out the total number of users per cell.

5) prepare a detailed note in traffic routing in wireless networks

6) describe the two data-only mobile services developed to provide packet radio connectivity throughout a network.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M910678

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