omnidirectional antenna

Hello everyone;
I'm a beginner in antenna theory. I'm interested in omnidirectional antenna. Can anyone explain me about it? Can anyone recommend me papers about design and analysis of it? What EM software I can use for analysis of such antenna?

antenna and em modeling with matlab: you find out what you can do with matlab in antenna domain it is very intersting and contain so many examole.

by: sergey n.makarov
publisher: j.wiley
for more information follow below link:
h**p://www.amazon.com/exec/obidos/ASIN/0471218766/qid=1117914554/sr=2-1/ref=pd_bbs_b_2_1/002-3222103-0112826


This book can also be found out at web add below:

http://file.21ic.com.cn

But the speed of downloading from the website you write is low.

You can also find it at link below:

https://www.edaboard.com/ftopic122086.html

for speed of internet pl take DSL connection. This Telecom Era

Thanks.

Added after 1 minutes:

For more information about Antenna Books try this site:

http://www.rfcafe.com/business/bookstore/antennas.htm

Thanks.

I can recommend this software:

4nec2 is a completely free Nec2 / Nec4 and windows based tool for creating, viewing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near- and far-field radiation patterns for both the starting and experienced antenna modeler:

http://home.ict.nl/~arivoors/