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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
Fins vs Canards Canard control - Good lift/latax control for moderate angles of attack. - Shed vortices can interfere with tail to generate roll moment. - Tendency to stall
Convert the following reduced bearings to whole circle bearings: N.36°16’E; (b) S.28° 14’ E. (c) S.47°26’W and (d) N.58°24’W
5) Dupree Funds is considering the fees charged by two banks. First America charges a flat rate of $0.11 per payment and First Western requires a deposit of $500,000 (that does not
Basic interfacing concept
show the practical use of it also descibe it elaborately why it is useful which way we can use it where we use it
I need to get this case study done. Here is a link to the case: Disregard">http://ss-edu.info/df/cases/Case%2094.pdf Disregard question 10.
Vibration Analysis Gas turbine engines have extremely low levels of vibration compared to piston engines. Changes in vibration levels could occur therefore without being notic
A steel cylinder 10 cm in diameter and 10 cm long is initially at 300 0C. it is immersed in an oil bath which is maintained at 40 0C, with h= 280 W/m2. 0C. Find the temperature at
project for financial planning
Gated pattern is used to produce good casting. It is essential to make sure that full supply of molten metal flow into every part of the mould. Provision for easy passage of the
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