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A cellular radio system based on GSM 1800 has h, = 30 m and h, = 2 m, G, = 5 dB and G, = 2 dB. The RBS radiated power, Pt = 10 W. The distance between RBS and MS is 2 km. Assume Plane Earth Path propagation exist, determine the received power (dBm). %D %3D

A cellular radio system based on GSM 1800 has h, = 30 m and h, = 2 m, G, = 5 dB and G, = 2 dB. The RBS radiated power, Pt = 10 W. The distance between RBS and MS is 2 km. Assume Plane Earth Path propagation exist, determine the received power (dBm). %D %3D

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Example 2.7 Pat en le Mod A cellular radio system based on GSM 1800 has h, and h, = 2 m, G = 5 dB and G, = 2 dB. The RBS radiated power, P = 10 W. The distance between RBS and MS is 2 km. Assume Plane Earth Path propagation exist, determine the received power (dBm). 30 m %3D Comp27 Pr = -49.48 dBm Gene L
Transcribed Image Text:Example 2.7 Pat en le Mod A cellular radio system based on GSM 1800 has h, and h, = 2 m, G = 5 dB and G, = 2 dB. The RBS radiated power, P = 10 W. The distance between RBS and MS is 2 km. Assume Plane Earth Path propagation exist, determine the received power (dBm). 30 m %3D Comp27 Pr = -49.48 dBm Gene L
A mobile is located 5 km away from a base station and uses a vertical 2/4 monopole antenna with a gain of 2.55 dB to receive cellular radio signals. The E-field at 1 km from the transmitter is measured to be 10-3 V/m. The carrier frequency used for this system is 900 MHz. (a) Find the length (m) and the effective aperture of the receiving antenna (m2) [8.33cm, 0.016m²] .. (b) Find the received power at the mobile using the two ray ground reflection model assuming the height of the transmitting antenna is 50 m and the receiving antenna is 1.5 m above ground. = 1.131 x 10-7 V/m, P, = -182.7 dBW] [ER
Transcribed Image Text:A mobile is located 5 km away from a base station and uses a vertical 2/4 monopole antenna with a gain of 2.55 dB to receive cellular radio signals. The E-field at 1 km from the transmitter is measured to be 10-3 V/m. The carrier frequency used for this system is 900 MHz. (a) Find the length (m) and the effective aperture of the receiving antenna (m2) [8.33cm, 0.016m²] .. (b) Find the received power at the mobile using the two ray ground reflection model assuming the height of the transmitting antenna is 50 m and the receiving antenna is 1.5 m above ground. = 1.131 x 10-7 V/m, P, = -182.7 dBW] [ER
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