# antenna gain
How much power are you focusing?

Think of it as the antenna size.
If not give, treat as 1.
[^1]
# References
[^1]: [UNSW Lecture 1 on Wireless Fading Channel Modeling and Estimation](../../03%20-%20University/Thesis/src/UNSW%20Lecture%201%20on%20Wireless%20Fading%20Channel%20Modeling%20and%20Estimation.mp4)