434 citations · 1k across the 53 of their papers we have counts for
23 papers · 1 filter
Exploiting User Mobility for WiFi RTT Positioning: A Geometric Approach
Kyuwon Han, Seung Min Yu, Seong-Lyun Kim +1
Recently, round-trip time (RTT) measured by a fine-timing measurement protocol has received great attention in the area of WiFi positioning. It provides an acceptable ranging accur…
Random Access with Opportunity Detection in Wireless Networks
Jinho Choi, Seung-Woo Ko, Koji Yamamoto +1
This letter proposes a novel random medium access control (MAC) based on a transmission opportunity prediction, which can be measured in a form of a conditional success probability…
Massive UAV-to-Ground Communication and its Stable Movement Control: A Mean-Field Approach
Hyesung Kim, Jihong Park, Mehdi Bennis +1
This paper proposes a real-time movement control algorithm for massive unmanned aerial vehicles (UAVs) that provide emergency cellular connections in an urban disaster site. While…
Mean-Field Game Theoretic Edge Caching in Ultra-Dense Networks
Hyesung Kim, Jihong Park, Mehdi Bennis +2
This paper investigates a cellular edge caching problem under a very large number of small base stations (SBSs) and users. In this ultra-dense edge caching network (UDCN), conventi…
Enhancing TCP End-to-End Performance in Millimeter-Wave Communications
Minho Kim, Seung-Woo Ko, Seong-Lyun Kim
Recently, millimeter-wave (mmWave) communications have received great attention due to the availability of large spectrum resources. Nevertheless, their impact on TCP performance h…
Ultra-Dense Edge Caching under Spatio-Temporal Demand and Network Dynamics
Hyesung Kim, Jihong Park, Mehdi Bennis +2
This paper investigates a cellular edge caching design under an extremely large number of small base stations (SBSs) and users. In this ultra-dense edge caching network (UDCN), SBS…
Cooperative Transmissions in Ultra-Dense Networks under a Bounded Dual-Slope Path Loss Model
Yanpeng Yang, Ki Won Sung, Jihong Park +2
In an Ultra-dense network (UDN) where there are more base stations (BSs) than active users, it is possible that many BSs are instantaneously left idle. Thus, how to utilize these d…
Co-primary Spectrum Sharing for Inter-operator Device-to-Device Communication
Byungjin Cho, Konstantinos Koufos, Riku Jäntti +1
The business potential of device-to-device (D2D) communication including public safety and vehicular communications will be realized only if direct communication between devices su…
Cognitive Random Access for Internet-of-Things Networks
Hyesung Kim, Seung-Woo Ko, Seong-Lyun Kim
This paper focuses on cognitive radio (CR) internet- of-things (IoT) networks where spectrum sensors are deployed for IoT CR devices, which do not have enough hardware capability t…
Tractable Resource Management in Millimeter-Wave Overlaid Ultra-Dense Cellular Networks
Jihong Park, Seong-Lyun Kim, Jens Zander
What does millimeter-wave (mmW) seek assistance for from micro-wave (μW) in a mmW overlaid 5G cellular network? This paper raises the question of whether to complement downlink (DL…
Bidding, Pricing, and User Subscription Dynamics in Asymmetric-valued Korean LTE Spectrum Auction: A Hierarchical Dynamic Game Approach
Sang Yeob Jung, Seong-Lyun Kim
The tremendous increase in mobile data traffic coupled with fierce competition in wireless industry brings about spectrum scarcity and bandwidth fragmentation. This inevitably resu…
Sum-Rate Maximizing Cell Association via Dual-Connectivity
Minho Kim, Sang Yeob Jung, Seong-Lyun Kim
This paper proposes a dual-connectivity (DC) profile allocation algorithm, in which a central macro base station (MBS) is underlaid with randomly scattered small base stations (SBS…
Resource Management and Cell Planning in Millimeter-Wave Overlaid Ultra-Dense Cellular Networks
Jihong Park, Seong-Lyun Kim, Jens Zander
This paper proposes a cellular network exploiting millimeter-wave (mmWave) and ultra-densified base stations (BSs) to achieve the far-reaching 5G aim in downlink average rate. The…
Resource Allocation with Reverse Pricing for Communication Networks
Sang Yeob Jung, Seong-Lyun Kim
Reverse pricing has been recognized as an effective tool to handle demand uncertainty in the travel industry (e.g., airlines and hotels). To investigate its viability for communica…
Traffic Convexity Aware Cellular Networks: A Vehicular Heavy User Perspective
Taehyoung Shim, Jihong Park, Seung-Woo Ko +3
Rampant mobile traffic increase in modern cellular networks is mostly caused by large-sized multimedia contents. Recent advancements in smart devices as well as radio access techno…
Random Basketball Routing for ZigBee based Sensor Networks
Dong Min Kim, Young Ju Hwang, Seong-Lyun Kim +2
Random basketball routing (BR) \cite {Hwang} is a simple protocol that integrates MAC and multihop routing in a cross-layer optimized manner. Due to its lightness and performance,…
Content-Specific Broadcast Cellular Networks based on User Demand Prediction: A Revenue Perspective
Jihong Park, Seong-Lyun Kim
The Long Term Evolution (LTE) broadcast is a promising solution to cope with exponentially increasing user traffic by broadcasting common user requests over the same frequency chan…
Asymmetric-valued Spectrum Auction and Competition in Wireless Broadband Services
Sang Yeob Jung, Seung Min Yu, Seong-Lyun Kim
We study bidding and pricing competition between two spiteful mobile network operators (MNOs) with considering their existing spectrum holdings. Given asymmetric-valued spectrum bl…
Spreading Information in Mobile Wireless Networks
Jinho Choi, Seung Min Yu, Seong-Lyun Kim
Device-to-device (D2D) communication enables us to spread information in the local area without infrastructure support. In this paper, we focus on information spreading in mobile w…
Cost-Effective Broadcast in Cellular Networks
Seung Min Yu, Seong-Lyun Kim
In recent years, video-related services such as YouTube and Netflix have generated huge amounts of traffic and the network neutrality debate has emerged as a major issue. In this p…
On the Aggregate Interference in Random CSMA/CA Networks: A Stochastic Geometry Approach
June Hwang, Jinho Choi, Riku Jantti +1
In this paper, we investigate the cumulative distribution function (CDF) of the aggregate interference in carrier sensing multiple access/collision avoidance (CSMA/CA) networks mea…
Downlink Capacity and Base Station Density in Cellular Networks
Seung Min Yu, Seong-Lyun Kim
There have been a bulk of analytic results about the performance of cellular networks where base stations are regularly located on a hexagonal or square lattice. This regular model…
Mobility Control for Machine-to-Machine LTE Systems
Beom Hee Lee, Seong-Lyun Kim
In this paper, we propose an efficient mobility control algorithm for the downlink multi-cell orthogonal frequency division multiplexing access (OFDMA) system for co-channel interf…