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Table 2 Mathematical terms and symbols

From: Connecting Disjoint Nodes Through a UAV-Based Wireless Network for Bridging Communication Using IEEE 802.11 Protocols

Symbol

Description

Symbol

Description

Pr

Received power

Pt

Transmitted power

Gt

Transmitted gain

Gr

Received gain

θ

Elevation angle

Ï•

Azimuth angle

λ

Wavelength of transmitted signal

c

Speed of light (constant)

Tx

Transmitter

Rx

Receiver

l

Total distance b/w ground stations

a

Altitude of UAV

|h|

Fading b/w UAV and ground stations

P

Deterministic function

P1

Power b/w Node1 and UAV

\(\sqrt {P_{1}}\)

Channel coefficient and power

x

Signal transmitted (unit power)

x1

Signal transmitted b/w Node 1 and UAV

n

Noise

|h1|

Fading b/w node 1 and UAV

P1(|h1|)

Probability density function

Ei

Exponential integral function

C

Instant capacity

\(\overline {C_{1}}\)

Average capacity