Abstract A compact multiple input output (MIMO) antenna operating at 2.45 GHz industrial scientific and medical band is presented for wearable devices. Open-end slotting used to miniaturize the dimensions. Inverted U-shaped ground stub incorporated reduce mutual coupling. On-body performance analyzed on a three-layered equivalent tissue phantom model. The wide bandwidth of 300 MHz port isolation 30 dB are obtained from measured results. shows efficiency 40% directivity 4.56 dBi when placed...

The conventional signature-matched RAKE processor for multipath direct-sequence code division multiple access channels is viewed as a regular linear tap-weight filter of length equal to the sum system processing gain and user channel memory. In this paper, performance improvements are sought in context adaptive filtering under maximum signal-to-interference-plus-noise-ratio criteria. minimum-variance-distortionless-response (RAKE-MVDR) lower complexity scalar optimized auxiliary-vector...

Bio-telemetry is an advanced area of research that enables the transmission biomedical parameters from human body to external monitoring device. Wearable antennas showing robust performance are attaining attention for RF bio-telemetry. A square ring-shaped ground antenna with a truncated patch investigated dual mode, on-body and off-body communication. The proposed structure analysed optimised on multi-layered flat tissue phantom. Proposed design resonates at 2.6 GHz |S11| −22 dB 5.2 −35...

ABSTRACTIn this research paper, a miniaturized vertically polarized dual band antenna with its 2x2 MIMO configuration is proposed for 5G communication. The single consists of an off-centered fed, concave-shaped patch surrounded by two mirror-image C-shaped strips. It works as millimeter wave radiator 28/38 GHz bands which provide the transmission at ultra-high speed gain 7.46 dBi and 8.56 efficiency 77% 91% both frequency respectively. offers small-scale size 10 x 0.254 mm3 close...

ABSTRACTABSTRACT Wireless biotelemetry enables the formation of communication link from living body to an external monitoring device. Isolation near field electromagnetic (EM) waves tissue, and wide bandwidth avoid frequency detuning in different biological environments are important parameters on-body antennas. In this paper, a conformal defected ground patch antenna with artificial magnetic conductor (AMC) is introduced for communication. Initially, quarter wave band shorting pin designed...

Rapid advancement in digital image processing tools and software's has made it extremely simple to manipulate the images without leaving any footprints. It becomes a hot issue about security threat society with increasing growth of social media. JPEG compression format been widely used most cameras. The investigation footprints can play an important role tampering detection. In this paper, novel method is proposed detect compression. forensic scheme comprises two steps i.e. selection target...

In this paper, a compact, dual-band, patch antenna structure for body-centric relay node communication is presented. The designed to operate at Industrial, Scientific and Medical (ISM) bands 2.45 GHz receiving data from intra-body sensor nodes 5.0 transmitting signal external monitoring device. by using coplanar waveguide feed etching two open-end slots on radiating patch. Overall dimensions are 15 mm × 28 1.57 mm. Effective dielectric constant the multiple layers, due its heterogeneous...

cognitive radio is the solution for effectively utilizing underutilized spectrum.There are many techniques to sense spectrum using radios like matched filter detection, energy waveform based cyclostationary feature detection and so on.In this paper comparative analysis of two popular i.e. (ED) (CFD) discussed.Analysis carried out by discussing theoretical aspect both supported simulation graphs plots.This shows that among discussed CFD better results.

Abstract This paper presents the moment generating function (MGF)–based analysis of κ‐μ/gamma composite fading model, which is suitable for indoor off‐body communication channel. In this paper, first all, we derive an analytical expression MGF instantaneous signal‐to‐noise ratio. By using derived MGF, expressions average symbol error rate (ASER)/average bit (ABER) binary and M‐ary modulation scheme are derived. Using approach, also channel capacity optimum adaption inversion with fixed...

Wireless body area network (WBAN) is a progressive field of research that allows the transmission biological signals from user’s to an off-body control device. Compact antennas with stable on-body behaviour are achieving interest for WBAN. Here, CPW fed antenna L-shaped ground and radiator investigated dual-band operation at 2.45/5.8 GHz Industrial Scientific Medical (ISM) bands. A metallic plate added below tune impedance dual bad as well it improves gain efficiency on body-tissue. Proposed...

Summary Massive multiple‐input multiple‐output orthogonal frequency division multiplexing (MIMO‐OFDM) system is an approach to increase data rate and spectral efficiency of 5G wireless communication systems. It's easy analyze the performance any with assumption immobile users, but if user moving varying velocity, then between base station (BS) very difficult maintain. Under high mobility, rapidly fading, doubly dispersive, nonstationary environment, conventional fails respond leads problem...