Spatial Diversity
[1] Fundamentals of Wireless Communication by David Tse and Pramod Viswanath, Cambridge University Press, 2005. (https://www.ee.iitm.ac.in/giri/pdfs/EE5141-2023/book1-tse.pdf)
[2] Wireless Communications by Andrea goldsmith, Draft of second edition. (http://web.stanford.edu/class/ee359/doc/WirelessComm_Chp1-16_March32020.pdf)
[3] Article on spatial diversity. (https://www.sciencedirect.com/topics/engineering/spatial-diversity)
[4] Lecture on spatial diversity. (https://www.cs.princeton.edu/courses/archive/spring18/cos463/lectures/L16-mimo.pdf)