Abstract

MIMO (Multiple Input Multiple Output) specifically refers to a practical technique for sending and receiving more than one data signal at the same time. The existing system describes the design and implementation of modified serpentine structure for enhancing isolation in microstrip antenna arrays. MSS (modified serpentine structure) acts like a band-reject filter to reduce coupling between array antennas. The resultant structure is having a low isolation and is large in size. This proposed work deals with the design and implementation of modified defective structure and EM absorbers for isolation enhancement in micro strip antenna arrays. The antenna array is constructed and is designed to operate at 2.45 GHz (ISM band) frequency band specially used for multiple-input-multiple-output (MIMO) communications. The primary objective is to reduce the coupling between the radiators in the antenna. A modified various monopole antenna shapes is proposed along with EM absorbers.

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