It focuses on recent advances in the field of planar antenna design and their applications in various fields of research including space communication, mobile communication, wireless communication, and wearable applications. It presents planar antenna design concepts, methods, and techniques to enhance the performance parameters, and applications for IoTs anddevice-to-device communication. The latest techniques used for the design of antennas in terms of their structures defected ground, MIMO, and fractal design is discussed comprehensively.