Design Microstrip Antenna with dual feedline (50 & 100 o

Guys,
As a topic..
i need a journal or other references about design with dual feedline..

Please Help me..

Thanks

Maybe you can search "differentlally-driven antenna" in IEEE explorer, that's usually the dual feed antenna we usually see.

can u give me that file?
i cant access ieee because iam not a member..

thanks in advance..

Sorry that I can not help you with this.