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Question:
(a) OFDM signals have a higher PAPR that signal carrier signals do. Describe
(i) Why this is so and what is the impact on radio transmission systems?
(ii) How PAPR reduction will be achieved?
(b) Determine the data rates for different Modulation and Coding Schemes and G values for a WiMAX network as per the table below.
The occupied bandwidth considered is 7 MHz and the sampling factor is 8/7.
What will be concluded?
(d) MIMO combined with OFDM/OFDMA is used to achieve higher data rates, in certain circumstances without increasing available bandwidth.
Explain the following aspects in MIMO.
- Spatial multiplexing v/s Spatial diversity - Beamforming - Receive diversity v/s Transmit diversity
Give two functions of dimensions.
advantages and disadvantages of cold and hot working
Summing amplifier: As the title implies, this is an adding device. The circuit can take any number of voltage inputs, and the output voltage is simply the sum of these inputs.
Basic interfacing concept
Let C(K) denote a European vanilla Call option with strike price K. Assume that all options are identical except for strike price, and strike prices satisfy (K1) What are the no-
Question 1 A large number of forecasting methods are available. Discuss the categories of forecasting methods Question 2 Explain how economic order quantity can be calculated
What is the energy related CO 2 emissions per capita and per $1,000 of GDP? Add the point representing Florida on the Energy CO 2 intensity graph in Appendix. How does it
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state and explain varignons theorem
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