Jong-Moon Jeong

A wide variety of information technology (IT) services will become available for vehicles through the IEEE 802.11p, IEEE 1609, and wireless access in vehicular environment (WAVE) standards, and naturally the need for service handover will become a necessity. For WAVE networks, a time coordinated medium access control (MAC) protocol named WAVE point coordination function (WPCF) is proposed in this paper. The mathematical derivations and simulation analysis demonstrate that the proposed WPCF proto

Wireless sensor network devices commonly use a single antenna for transmission and reception, as well as for relaying packets over multiple hops to a final destination, which is referred to as single-input-single-output (SISO) multihop transmission. Advancements in multiple antenna systems enable reliable broadband wireless communications using multiple-input-multiple-output (MIMO) transmission technology. In addition, through collaboration of several single-antenna-equipped devices, cooperative

The upper limit of transmittable bandwidth doubles and sometimes quadruples every nine to twelve months. Already transmission of tens of tera bits-per-second over a single optical fiber is possible and matching data transferring topologies as well as improved system reliability are currently needed. Multiprotocol label switching (MPLS) has been emerging as the protocol of the future due to it's true "multiprotocol architecture" where it utilizes a simple label switching mechanism and provides qu

Fast handovers for proxy mobile IPv6 (FPMIPv6) was created to reduce packet-delay that occurs during proxy mobile IPv6 (PMIPv6) handover. Based on vertical handover (VHO) experiments conducted between Long Term Evolution (LTE) and heterogeneous accesses over the evolved packet core (EPC) using FPMIPv6, it was recognized that consistently reliable seamless VHO operations were difficult to accomplish due to limitations in FPMIPv6. Noticeably, VHO performance degradation resulted from the serving n

The triage process in emergency departments (EDs) relies on the subjective assessment of medical practitioners, making it unreliable in certain aspects. There is a need for a more accurate and objective algorithm to determine the urgency of patients. This paper explores the application of advanced data-synthesis algorithms, machine learning (ML) algorithms, and ensemble models to predict patient mortality. Patients predicted to be at risk of mortality are in a highly critical condition, signifyi

Because of the rapid increase of mobile traffic, flexible broadband supportive unmanned aerial vehicle (UAV)-based 6G mobile networks using free space optical (FSO) links have been recently proposed. Considering the advancements made in UAVs, big data processing, and artificial intelligence precision control technologies, the formation of an additional wireless network based on UAV aerial platforms to assist the existing fixed base stations of the mobile radio access network is considered a high

Cloud Offloading Requirements of Augmented Reality Applications on Smart Devices for Reduced Energy Consumption"), and was selected as an outstanding paper.

A channel allocation mechanism for cognitive radios (CRs) is proposed to enable maximum throughput and minimum forced termination probability for CR users (CUs) that are not capable of spectrum handover (SH). SH is an optimal collision-avoidance scheme used by CUs to evacuate from time-slots that will be used by primary users (PUs) based on time-slot assignment (TA) information obtained in advance. The proposed scheme has extensive applicability for CR-networks where SH is not possible owing to

In this paper, a random synthetic stochastic vector mobility model (VMM) to simulate vehicle traffic movement for mobile and vehicle ad hoc networks is proposed. The objective of the VMM is to be able to easily regenerate random mobility patterns that accurately match the stochastic characteristics of vehicles (e.g., cars and buses) better than other random synthetic stochastic mobility simulators, which include random walk, Gauss-Markov mobility, fluid flow, and random way point. An essential c

The development of Vehicular Ad-hoc Network (VANET) technology is helping Intelligent Transportation System (ITS) services to become a reality. Vehicles can use VANETs to communicate safety messages on the road (while driving) and can inform their location and share road condition information in real-time. However, intentional and unintentional (e.g., packet/frame collision) wireless signal jamming can occur, which will degrade the quality of communication over the channel, preventing the recept

This book introduces the core technologies that enable Metaverse XR (eXtended Reality) services and advanced video multimedia streaming services.

A critical challenge for networking vendors and carrier companies is to be able to accurately estimate the quality of service (QoS) that will be provided based on the network architecture, router/switch topology, and protocol applied. In addition, due to the development of technologies like multiprotocol label switching (MPLS) and generalized MPLS (GMPLS), which can deploy differentiated services (DiffServ), the variation in QoS performance based on the priority assignment is of significant impo

A robot sensor network (RSN) is defined as a network of sensor-equipped robots and sensor nodes (that are deployed by the robots) that wirelessly communicate for remote-control, mission-cooperation, and to report sensed information to the control and reporting center (CRC). RSNs use real-time video communication support (in addition to various sensor data communication) for mission-cooperation and remote-control of its multi-robots. In this article, the hybrid data-type clustering (HDC) and subn