rf desing

hi alll,

i want to be in RF cmos design side so i am going through BOOK : THE DESIGN OF CMOS RADIO FREQUENCY OF INTEGRATED CIRCUITS

by thomas H. LEE
all i wnat to know is what are the prerequesists i have to learn so that i can go through this book as i am beginner of RF design . i have knowledge of cmos analog vlsi design issues as i have gone through baker.

i need guidence how to start and how i can proceed and what are the prerequesites

thanks and regards,
kil