Mir Yasir Umair

National University of Sciences and Technology | NUST · Department of Electrical Engineering (MCS)

This research presents the design and implementation of a chipless Radio Frequency Identification (RFID) multi-sensor tag on a flexible laminate. Along with the tag's primary function of data encoding for object identification purposes, the tag also incorporates moisture and temperature sensing functionalities within a compact size measuring a mere...

Purpose The purpose of this study, thermal radiation and viscous dissipation impacts on double diffusive convection on peristaltic transport of Williamson nanofluid due to induced magnetic field in a tapered channel is examined. The study of propulsion system is on the rise in aerospace research. In spacecraft technology, the propulsion system uses...

The proposed research discusses an innovative, fully passive, data-dense, and compact 15 × 15 mm2 chipless radiofrequency identification tag. This tag possesses a 15-bit data, hence yielding 215 unique ID combinations. Due to data-dense structure the tag has bit density of 6.67 bits/cm2. The proposed tag is optimized and analyzed for different flex...

This paper presents a printable 30-bit Chipless RFID tag that offers a better-read range. The tag structure consists of two different triangular patches arranged in a fan-shaped assembly enabling the tag suitable for a higher read range. The proposed tag is analyzed for several substrates, i.e., Taconic (TLX-8), Rogers RT/Duroid® (5880), PET, and K...

Software defined Data Center Network (SDDCN) architectures need flexibility, scalability, and improved analytics for reliable networks. However, as the traffic load of the network grows a substantial collapse in the network performance has been observed. Huge amount of network broadcasts mainly Address Resolution Protocol (ARPs), is the dominant fa...

One of the critical challenges in deploying radio frequency identification (RFID) is its cost of production. An approach to mitigate and be cost-effective is to design chipless, inexpensive electronic tags having a smaller size. Therefore, in this paper, a novel 22-bit passive chipless RFID tag with an enhanced radar cross-section (RCS) response is...

The idea of smart and sustainable cities is incomplete without using information and communication technologies. Wireless Local Area Network (WLAN) plays a vital role in connecting different services, transferring data and providing indoor localization. WLAN fingerprinting technique has become the most common approach for indoor localization in sma...

Searchable symmetric encryption (SSE) is a technology that enables clients to outsource sensitive data in the cloud. The vast usage of cloud and rapid growth in file sharing over the cloud has forced researchers into devising newer searchable encryption (SE) systems that are more secure and robust. This paper explores the effects of leakage of acce...

The effects of induced magnetic field, thermal and concentration convection on the peristaltic flow of Prandtl nanofluids are explored in this study in an inclined asymmetric channel. A detailed mathematical explanation is given for Prandtl nanofluids with double-diffusivity convection and induced magnetic field. To simplify non-linear partial diff...

Consequence of thermal and concentration convection on peristaltic pumping of hyperbolic tangent nanofluid in a non‐uniform channel and induced magnetic field is discussed in this article. The brief mathematical modeling, along with induced magnetic field, of hyperbolic tangent nanofluid is given. The governing equations are reduced to dimensionles...

The idea of smart and sustainable cities is incomplete without using information and communication technologies. Wireless Local Area Network (WLAN) plays a vital role in connecting different services, transferring data and providing indoor localization. WLAN fingerprinting technique has become the most common approach for indoor localization in sma...

Active noise control (ANC) systems operating on adaptive algorithms endure instability in the presence of impulsive noise (IN). Therefore, this manuscript investigates the performance of such adaptive algorithms with online secondary path modeling (OSPM) in the presence of impulsive noise in non-stationary acoustic paths. Herein, we propose three n...

The significance of partial slip on double diffusive convection on magneto-Carreau nanofluid through inclined peristaltic asymmetric channel is examined in this paper. The two-dimensional and directional flow of a magneto-Carreau nanofluid is mathematically described in detail. Under the lubrication technique, the proposed model is simplified. The...

Public health and its related facilities are crucial for thriving cities and societies. The optimum utilization of health resources saves money and time, but above all, it saves precious lives. It has become even more evident in the present as the pandemic has overstretched the existing medical resources. Specific to patient appointment scheduling,...

Theoretical analysis is performed to investigate the double-diffusive convection in Sisko fluid on peristaltic propulsion under inclined magnetic field and asymmetric channel. The mathematical modeling of Sisko fluids with double-diffusive convection and inclined magnetic field with various wave forms is given. Under the constraints of long wavelen...

Adverse drug reactions (ADRs) are the undesirable effects associated with the use of a drug due to some pharmacological action of the drug. During the last few years, social media has become a popular platform where people discuss their health problems and, therefore, has become a popular source to share information related to ADR in the natural la...

Due to the inability of the Global Positioning System (GPS) signals to penetrate through surfaces like roofs, walls, and other objects in indoor environments, numerous alternative methods for user positioning have been presented. Amongst those, the Wi-Fi fingerprinting method has gained considerable interest in Indoor Positioning Systems (IPS) as t...

The impact of lateral walls and partial slip with different waveforms on peristaltic pumping of couple stress fluid in a rectangular duct with different waveforms has been discussed in the current article. By means of a wave frame of reference the flow is explored travelling away from a fixed frame with velocity c. Peristaltic waves generated on ho...

Under the influence of peristaltic propulsion and an induced magnetic field, this article investigates the impact of double-diffusivity convection on Powell–Eyring nanofluids in a non-uniform channel. Firstly, Powell–Eyring nanofluids with induced magnetic field and double-diffusivity convection are mathematically modelled. We apply the principle o...

With the advent and advancements in the wireless technologies, Wi-Fi fingerprinting-based Indoor Positioning System (IPS) has become one of the most promising solutions for localization in indoor environments. Unlike the outdoor environment, the lack of line-of-sight propagation in an indoor environment keeps the interest of the researchers to deve...

All adaptive algorithms suffer stability issues when employed for the impulsive noise control under the domain of active noise control (ANC) systems. There is a dire need of investigations to overcome this limitation for the impulsive noise, a robust adaptive algorithm is proposed in literature. In the first part of paper, this robust adaptive algo...

Localization is an important requirement in today's world, numerous modern applications require location tracking. An indoor localization of a mobile node using the range free fingerprinting technique in WLAN environment is presented. The work focuses on improvement in the accuracy of localization using some additional parameters in the fingerprint...

With the rapid development and ubiquitous usage of Wireless Local Area Networks (WLAN), Location Based Systems (LBS) employing Signal Strength techniques have become an attractive area of research for location estimation in indoor environments. In this paper we propose a robust fingerprint method for localization based on the traditional K-Nearest...

The fundamental requirement of Location Bases Services (LBS) is an improved positioning accuracy, which is the most vital performance metric for any positioning technique. LBS are based on the location of the User Equipment (UE). For areas where GPS signals are attenuated or distorted significantly, such as inside buildings or houses, indoor positi...

In LTE-Advanced (LTE-A), heterogeneous networks (HetNet) comprising of pico and femto cells are laid onto the traditional well planned macro cells, are extensively investigated for improving the overall system throughput. Cell range expansions (CRE) are effectively used in HetNets to enhance the system coverage as well as the cell-edge throughput....