Implementation of High Presence Video Communication System for Multiple Users Using Tiled Display Environment
Various tele-communication systems have been spreading with advance of network technology in recent years. Teleconference system can realize interactive communication between remote locations via Internet. On the other hands, it is difficult for commonly-used teleconference systems to simultaneously display data and video images of users as increasing the number of remote users due to restriction of monitor size. The users cannot move freely […]
Overcoming the challenge of variety: big data abstraction, the next evolution of data management for AAL communication systems
With the extensive use of information technology in AAL communication systems, a data management model has recently embodied the 3-V characteristics of big data: volume, velocity, and variety. A lot of work has been done on volume and velocity, but not as much has been reported on variety. To handle the variety of data, universal solutions with […]
Power and Rate Optimization for Visible Light Communication System With Lighting Constraints
Visible-light communication (VLC) will be deployed in various indoor environments, including those requiring different lighting colors, which imposes the needs for transmission optimization under certain lighting constraints. This work establishes a framework for the transmission power and rate optimization, for light emitting diode (LED)-based VLC systems under lighting constraints. We describe the system model of LED-based color-division VLC system, which incorporates the […]
On the Utilization of Multi-Mode User Equipment in Multi-Radio Access Technology Cellular Communication Systems
Multi-radio access technology (RAT) cellular communication systems limit connected users to utilizing a single RAT even when employing multi-mode user equipment (UE) capable of utilizing multi-RATs. Single-mode access, combined with static spectrum partitioning between co-deployed RATs and independent resource allocation for employed RATs, results in suboptimal spectrum utilization in multi-RAT systems. This paper models user access in multi-RAT systems and proposes […]
A Survey and Tutorial of Electromagnetic Radiation and Reduction in Mobile Communication Systems
This paper provides a survey and tutorial of electromagnetic (EM) radiation exposure and reduction in mobile communication systems. EM radiation exposure has received a fair share of interest in the literature; however, this work is one of the first to compile the most interesting results and ideas related to EM exposure in mobile communication systems and present possible ways of […]
