If a transmitter produces 50 W of power, express the transmit power in unit of (a) dBm, and (b) dBW. If 50 W is applied to a unity gain antenna with a 900 MHz carrier frequency, find the received power in dBm at a free space distance of 100 m from the antenna. What is P,(10 km)? Assume unity gain for the receiver antenna. Answers: Pr(100m)= -24.53dBm Pr(10km) = - 64.53dBm
If a transmitter produces 50 W of power, express the transmit power in unit of (a) dBm, and (b) dBW. If 50 W is applied to a unity gain antenna with a 900 MHz carrier frequency, find the received power in dBm at a free space distance of 100 m from the antenna. What is P,(10 km)? Assume unity gain for the receiver antenna. Answers: Pr(100m)= -24.53dBm Pr(10km) = - 64.53dBm
Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
Chapter1: Introduction
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![Example 2.3
Consider an indoor wireless LAN with f = 900 MHz, cells of radius
100 m, and nondirectional antennas. Under the free-space path loss
model, what transmit power is required at the access point such that
all terminals within the cell receive a minimum power of 10 µW. How
does this change if the system frequency is 5 GHz?
(Nondirectional antennas, GG = 1)
%3D
P = 21.52 dBW
P, = 36.42 dBW
MWALPEL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4c3a8855-44a6-4559-ae53-5cc99f35c793%2Fe84776d6-b81a-4059-ad84-d960fec44f38%2Fcfnngn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Example 2.3
Consider an indoor wireless LAN with f = 900 MHz, cells of radius
100 m, and nondirectional antennas. Under the free-space path loss
model, what transmit power is required at the access point such that
all terminals within the cell receive a minimum power of 10 µW. How
does this change if the system frequency is 5 GHz?
(Nondirectional antennas, GG = 1)
%3D
P = 21.52 dBW
P, = 36.42 dBW
MWALPEL
![Example 2.2
:-
If a transmitter produces 50 W of power, express the transmit
power in unit of (a) dBm, and (b) dBW.
If 50 W is applied to a unity gain antenna with a 900 MHz carrier
frequency, find the received power in dBm at a free space distance
of 100 m from the antenna.
What is P,(10 km)? Assume unity gain for the receiver antenna.
Answers:
Pr(100m)= -24.53dBm
Pr(10km) = -
- 64.53dBm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4c3a8855-44a6-4559-ae53-5cc99f35c793%2Fe84776d6-b81a-4059-ad84-d960fec44f38%2Fbxtqt9m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Example 2.2
:-
If a transmitter produces 50 W of power, express the transmit
power in unit of (a) dBm, and (b) dBW.
If 50 W is applied to a unity gain antenna with a 900 MHz carrier
frequency, find the received power in dBm at a free space distance
of 100 m from the antenna.
What is P,(10 km)? Assume unity gain for the receiver antenna.
Answers:
Pr(100m)= -24.53dBm
Pr(10km) = -
- 64.53dBm
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