Diversity system has one transmit antenna and two receive antennas. BPSK modulation is applied ( Bit...
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Diversity system has one transmit antenna and two receive antennas. BPSK modulation is applied ( Bit to symbol mapping is done as 0 –→-1 V, 1- 1V). In this case, received signals from first and second antennas are " r,=-0,4-0,2j" and "r, = -0,1-0,5j " respectively. • Find the transmitted bit with the antenna selection technique (AS) • Find the transmitted bit with the equal gain combining (EGC) • Find the transmitted bit with the maximum ratio combining (MRC) (First channel h, = 0,5+0,4j, Second Channel h,=-0,2+0,6j ) Block channel encoder equations are c3 = d,+d2, C4 = d2, C5 = d, . In this case, encoded sequence structure is c [C1, C2, C3, C4, C5] • Write down generator matrix (G) • Construct all possible code words Suppose that the received word is [11 10 1]. Decode the received word by finding the location of the error and the transmitted data bits. Calculate the Path Loss with using Okumura - Hata prediction model for the following parameters: Base station antenna has a height of 40 meters, mobile station antenna height is 10 meters. The distance between the base station and the mobile unit is 3 km, and they are in an open area environment. And the carrier frequency is 1 GHz. Diversity system has one transmit antenna and two receive antennas. BPSK modulation is applied ( Bit to symbol mapping is done as 0 –→-1 V, 1- 1V). In this case, received signals from first and second antennas are " r,=-0,4-0,2j" and "r, = -0,1-0,5j " respectively. • Find the transmitted bit with the antenna selection technique (AS) • Find the transmitted bit with the equal gain combining (EGC) • Find the transmitted bit with the maximum ratio combining (MRC) (First channel h, = 0,5+0,4j, Second Channel h,=-0,2+0,6j ) Block channel encoder equations are c3 = d,+d2, C4 = d2, C5 = d, . In this case, encoded sequence structure is c [C1, C2, C3, C4, C5] • Write down generator matrix (G) • Construct all possible code words Suppose that the received word is [11 10 1]. Decode the received word by finding the location of the error and the transmitted data bits. Calculate the Path Loss with using Okumura - Hata prediction model for the following parameters: Base station antenna has a height of 40 meters, mobile station antenna height is 10 meters. The distance between the base station and the mobile unit is 3 km, and they are in an open area environment. And the carrier frequency is 1 GHz.
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Cost Management Accounting and Control
ISBN: 978-0324559675
6th Edition
Authors: Don R. Hansen, Maryanne M. Mowen, Liming Guan
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