Vehicular networks, vehicle to vehicle (V2V), vehicle to road side (V2R):
– Vehicle to Vehicle Dedicated Short Range Communications (DSRC) Channel Estimation (funded by NSERC): Investigated impact of iterative channel estimation techniques to improve the reliability of the physical layer communications. The designed estimation technique provided significant gains at higher modulation schemes in medium to low vehicle speeds [J2-J4] [C19] [C27].
– Vehicle to Vehicle DSRC Reliable MAC Layer Design (funded by NSERC): The protocol called Passive Cooperation Collision Warning for DSRC was designed to provide up to 99% reliability for basic safety messaging in V2V communications in repetition schemes [S22] [C39-C38] [C32-C34] [C29].
– Vehicle to Vehicle DSRC Cross-layer Slotted Reliable MAC Layer Design (funded by NSERC): The MAC layer protocol designed solve mobile hidden station problem in the network as well as provide routing functionality up to 3 hops for basic safety messaging [J14] [C31] [C30] [C26].
– Wimax/DSRC integration and mobility management (funded by NSERC): WiMAX connections combined with DSRC for heterogeneous network access to vehicles. The scheme improved the WiMAX link utilization up to 35% [J15-J16] [C23].
– Channel Equalizer for Communication Systems (funded by NSERC): Blind adaptive equalizer was designed for OFDM systems to improve bit error rate of the channel [J13] [J18].
In mobile ad hoc networks, wireless sensor networks, mesh networks:
– Hierarchical Dynamic Source Routing (HDSR) for Mobile Ad Hoc Networks (funded by NSERC): Designed a stateless forwarder selection in an ad hoc network routing to improve routing efficiency. The protocol is improved the delay by 60%, and energy dissipation by 30% [J1] [C15-C18].
– Real-Time Medium Access Control (RT-MAC) Protocol for Wireless Sensor Networks (funded by NSERC): Co-designed a contention based MAC protocol for wireless sensor networks to allow seamless streaming for real-time communications. The protocol can provide delay deadline based on number of hops and duty cycle of the sensor nodes for single and multiple streams. The protocol is implemented using IBM Moterunner platform with Crossbow IRIS motes [SJ1] [C22].
– Game Theoretical Forwarding Node Selection in 2D and 3D Wireless Sensor Networks (funded by NSERC): Game theoretical two-level approach is applied to routing in wireless sensor networks to improve network lifetime. In the first level, evolutionary game theory is utilized, and in the second level classical cooperative game theory is employed. The scheme extends the network life time up to 40% [S23] [C46] [C41].
– Geographical 3D and 2D Routing for Wireless Sensor Networks for real-time networking (funded by NSERC): Designed a location based routing protocol for real-time data collection in 3D sensor networks, which can solve the future internet of things and machine to machine communication problems [C42] [C37].
– Minimum Energy Routing in Mobile Ad Hoc Networks (funded by NSERC): Proactive cross-layer routing protocol was designed to elect the minimum energy path in wireless sensor networks [J5] [C14].
– Adaptive Topology Control in Wireless Networks (funded by Communication Research Center of Canada): Research surveyed and provided a sample simulation platform for Communication Research Center to explore ideas for adaptive topology control.
– FPGA based Wireless Sensor Node Implementation (funded by NSERC): All parallel events handling mechanism explored for wireless sensor node implementation using FPGA to improve speed and power efficiency in sensor nodes [J20].
– Development of wireless mesh networking test-bed platform using IEEE 802.11 using Linux SDK (WINLAB project): Designed and supervised team who implemented one of the first mesh networking test-beds using IEEE 802.11 network interface cards in ad hoc mode.
– Integration of Mobile Internet Protocol with Internet Security Protocol with Linux SDKs (telcordia technologies internal project): Integral part of the team who integrated MoIP with IPSEC for seamless secure for wireless users using security gateways. The protocol was fully implemented in Linux Red Hat platform with Sun MoIP and opensource IPSEC protocol implementations.
Applications of wireless networks Mobile ad hoc networks, wireless sensor networks, mesh networks, smart grid, e-health:
– Wireless Photovoltaic Generation and Operation Monitoring Control (funded by NSERC ENGAGE): Designed a gateway between photovoltaic (PV) generator monitoring and control of PV panels [J19] [C44].
– Continua Compliant E-health Gateway Design with Unison Real-time Operating system (funded by NSERC ENGAGE): Designed a gateway between health sensors and Continua health monitoring manager in control rooms using Unison real-time embedded operating system with Blackbone Black embedded system hardware, which provides cost effective way to deploy e-health sensors in hospital settings.
– Power Lines Fault Monitoring using Wireless Networks (funded by Federal Development Fund): Designed hierarchical wireless mesh networking infrastructure for fault monitoring in power lines using Zigbee as lower tier and WiFi as upper tier communication platform [J10] [C28].
– Communication and Coordination for Un-Manned Vehicles for Missions (funded by NSERC): Designing and building reliable communication system for coordinated unmanned vehicles, the project will establish communication link between unmanned vehicles (drones/UAV/ground vehicles) to improve mission objectives.
– Remote Geolocation Monitoring with Remotely Operated Vehicle for Environmental Research (ROVER) (funded by University of Windsor Biology Dept.): Designed a WIFI based real-time monitoring system to gather location and sensor data from a floating sensor platform.
– SmartAuto, Android based smart Phone APP for Electrical Vehicles (won Durham Region Energy Alliance award): Led a team and conceived the idea for electrical vehicle state of charge/charging stations/route schedule. The APP won Durham Energy Alliance award connection.