- Radio Frequency Integrated Circuit Design
- Advancements in PLL and VCO Technologies
- Microwave Engineering and Waveguides
- Robotics and Sensor-Based Localization
- Robotic Path Planning Algorithms
- Electromagnetic Compatibility and Noise Suppression
- IoT and Edge/Fog Computing
- Antenna Design and Analysis
- Robotics and Automated Systems
- Autonomous Vehicle Technology and Safety
- Teaching and Learning Programming
- Underwater Vehicles and Communication Systems
- Smart Grid Security and Resilience
- IoT Networks and Protocols
- Solar Radiation and Photovoltaics
- Antenna Design and Optimization
- Analog and Mixed-Signal Circuit Design
- 3D Surveying and Cultural Heritage
- Robot Manipulation and Learning
- Indoor and Outdoor Localization Technologies
- Non-Invasive Vital Sign Monitoring
- Remote Sensing and LiDAR Applications
- Smart Agriculture and AI
- IoT-based Smart Home Systems
- Full-Duplex Wireless Communications
University of Gujrat
2016-2025
Sungkyunkwan University
2018-2024
National University of Sciences and Technology
2022
Human activity recognition (HAR) based on wearable sensors has developed as a new study topic in the domains of artificial intelligence and pattern recognition. HAR wide range applications, including sports detection, smart homes, health assistance, to name few. Mobile device such accelerometers, gyroscopes, magnetometers can generate time-series data for HAR. Computer Vision (CV) methods were previously utilised HAR, which number drawbacks, mobility, ambient conditions, occlusion, higher...
Maximum Power Point Tracking (MPPT) charge controller is used as an intermediate device in solar system between photovoltaic (PV) panels and batteries. Multiple are usually to meet higher energy demands large PV systems by connecting them series/parallel configurations. This piece of work based on performance analysis MPPT with series parallel connections panels. The effect each configuration analyzed using software hardware setup. Reason for varying output behavior different schemes...
A 65–67 GHz phase-locked loop (PLL) with a novel low power phase-frequency detector (PFD) in 65 nm LP CMOS is presented. The PLL consists of V-band voltage-controlled oscillator (VCO), divide-by-two injection-locked frequency divider (ILFD), and current-mode logic (CML) chain. charge pump (CP) 2nd-order filter are used PFD for VCO tuning. implemented 16 transistors dead-zone-free capability. measured locking range the from 65.15 to 67.4 GHz, −11.5 dBm output at 66.05 while consuming 88 mW....
This paper presents a high speed on-off Keying (OOK) demodulator using distributed approach which is implemented 28 nm bulk CMOS process. A 100 GHz post layout full-wave EM simulation results are realized for the data-rate up to 30 Gbps check eye diagram at different power levels. The proposed achieved 50% of opening -16 dBm input power. design consumes 18.5 mW and occupies chip area 0.135 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> -,.
In the last few years, simultaneous localization and mapping is gaining popularity in field of research because its uses controlling robots, unmanned aerial vehicles autonomous vehicles. The applications are increasing day by different fields such as military, agriculture, rescue, security etc. This needs to localize UAV that where it located according environment. this work, we used a deep learning based visual odometry for pose estimation vehicle. methodology Convolutional neural network...
This research presents and simulates a novel ultra-wideband fractal antenna with defected ground structure covering W-band millimeter wave frequencies for wireless communication applications. Copper is used as conductor, thickness of 0.035 mm, on Rogers RT5880 substrate dielectric constant 2.2. A 50 Ω input impedance characterizes the proposed antenna. has total bandwidth 49.5 GHz ranging from 79.29 to 128.29 GHz, highest gain measured at 114 which 5.04 dBi compact size...
This paper presents a high-speed V-band on-off keying (OOK) modulator in 65 nm CMOS based on distributed transmission lines architecture. The operation of the proposed OOK is attained by distributing single large switching transistor into smaller units. effects parasitic capacitances each small switch are mitigated series inductors, forming an artificial line. size and number stages optimized for reasonable balance between insertion loss isolation. Small signal measurement reveals 3.8 dB...
This paper presents a high speed On-Off Keying (OOK) modulator using local oscillator (LO) cancellation technique. Implemented in 28 nm bulk CMOS process, 100 GHz post layout full-wave EM simulation results are executed for data-rate up to 50 Gbps. The has on-off isolation of 21.6 dB. proposed design consumes power 9.6 mW and occupies chip area 0.025 mm <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> .
Abstract A 65 nm CMOS fully‐differential track‐and‐hold amplifier (THA) in master‐slave configuration is presented. For high‐speed operation, Cherry‐Hooper with input inductive‐peaking and switched‐source follower (SSF) circuit are used for the front‐end preamplifier master/slave circuits, respectively. On‐wafer testing single‐ended input/output shows that fabricated THA exhibits 20 GHz switched‐mode bandwidth 11.9 dB conversion gain at 8 GS/s clock, THD < −36 SFDR >36 within 3‐dB...
5G is the wireless technology in which millimeter waves are used for communication between devices. Balun a passive device necessary efficient power transfer from one building block of transceiver to other. In this paper an unbalance balance conversion achieved using balun at 120 GHz. The designed has about 1 dB amplitude error bandwidth 85 GHz 150 whereas phase observed +/-5°. overall form factor 2.9 nm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
In this age, the automotive surveillance service is a well-known proven product implemented in conventional transport systems and widely known vehicle entities worldwide. It system that can be very robust reliable. Through work, GPS (Global Positioning System implemented, which used to locate identify any automobile. This concept an integrated device steadily track speeding object communicate device's status whenever its identification required. must obtain NodeMCU (ESP8066 module) for...
This paper presents a high speed On-Off Keying (OOK) modulator for future terahertz communication using local oscillator (LO) cancellation technique. Post layout full-wave EM simulation results are performed up to 25 Gbps data-rate. The circuit is implemented in 250nm InP HBT technology. output at OFF position 30% its ON position. proposed design consumes power 53 mW and occupies active chip area of 0.01 mm<sup>2</sup>.
This paper presents a 100 GHz OOK based transceiver designed in 28nm CMOS process for future millimeter wave wireless communication networks. The transmitter includes novel modulator with 21.6 dB isolation. power amplifier 13 gain is to achieve EIRP of 5 dB. distance between and receiver 0.5 cm. the two-stage low noise distributed demodulator open drain output buffer. chip area probing pads 1.26 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...