(a) Give reasons for the following : (i) Hexagonal geometry is used f…
Previous year question for Wireless Communication.
Question
(a) Give reasons for the following :
(i) Hexagonal geometry is used for cellular structure
(ii) The difference between handoff threshold and minimum acceptable signal should not be large.
(iii) Use of Umbrella cell along with small cells.
(iv) Preference of microcell zone concept over sectoring to increase the capacity.
(v) Increasing the cluster size will decrease the system capacity. [10]
(b) What is Hand-off and how is it achieved ? [10]
- Year: 2018
- Subject: Wireless Communication
Related pages
More PYQs on Cellular Concepts
- What is co- channel interference and adjacent channel interference?
- What are the different techniques used for increasing the system capacity. Explain Sectoring in detail.
- (a) Given a cellular system in which one-way bandwidth of the system is $12.5\text{ GHz}$, channel spacing is $30\text{ kHz}$ and guard band at each boundary i…
- If a total of 33MHz of bandwidth is allocated to a particular FDD cellular system with 25KHz simplex channel to provide full duplex communication. Compute the…
- What are the advantages of cellular system over conventional mobile service. Why hexagonal geometry is used for cellular system.
- (a) What is co-channel interference ? If the acceptable signal to co channel interference ratio in a certain system is $20\text{ dB}$ and $k = 4$. What is the…
- (a) What is co-channel interference. If the acceptable signal to co-channel interference ratio in a certain system is 18 dB and $k = 4$. What is the minimum cl…
- (a) How does frequency reuse contribute to efficient spectrum utilization in cellular networks ? (10) (b) Explain the concept of handoff in cellular communicat…
- (a) Differentiate between static and dynamic channel allocation. (5) (b) Explain TDD and FDD. (5) (c) Explain FDMA in detail. What access system is used by GSM…
- What is Hand-Off. How is it achieved?