OFDM Relay Cognitive Radio Multiple Antennas Resource Allocation Full Duplex Spectrum Sensing Synchronization Spectrum Sharing Interference Cancellation Channel Estimation Feedback Heterogeneous Networks Energy Harvesting Stochastic Geometry Bi-directional Equalization relay networks FBMC HetNet CDMA channel capacity SC-FDMA interference MIMO Ultra Low Power Duplex TVWS CLI in-band full-duplex system D-TDD interference suppression Reliability 5G C-V2V indoor positioning reinforcement learning RSRP weighting User grouping Rat-dependent positioning Communication range multi-access edge computing hybrid - Computation offloading —Device-to-device (D2D) estimated position updating control overhead resource block management estimated position overlapping Femtocell NR positioning frame structure Zigbee body area networks channel estimation error Handoff CoMP packet delay power uncertainty ultra-dense small cell network GFDM antenna arrays 5G mobile communication UFMC WVAN mode selection inter user interference health care Vehicular communication cross-link interference resource selection FS-NOMA Dynamic TDD Number of training blocks Mode 3 Uplink SCMA system Multi-user Receiver LTE-TDD user fairness smart factory V2X Metaheuristics Location-based QR Factorization partial overlap P-NOMA dynamic HetNet spectrum partitioning Cell-free and 5G networks. overloading massive connectivity DQN mMIMO distributed mode non-orthogonal multiple access OTDOA maximum likelihood method Resource sharing Power allocation non-orthogonal multiple access (NOMA)
Status : Presented 
Date : 2021-02 
Title : A Novel Spectrum Partitioning Scheme for Dynamic Heterogeneous Networks 
Authors : Hyunjin Kim, Hyejin Kim, Jintae Kim, and Daesik Hong 
Conference : IEEE VTC Spring 2021 
Abstract : Dynamic heterogeneous networks (HetNets) in which small cells operate in dynamic time division duplex (DTDD) systems enable the instantaneous traffic load to be handled with greater spectral efficiency than conventional HetNets. However, combining HetNets and D-TDD systems causes cross-link interference (CLI) both within the same tier and across tiers, negatively impacting system performance. In this paper, we point out that small cells are underprivileged in terms of interference mitigation under the conventional spectrum partitioning usage. Accordingly, we propose employing a novel spectrum partitioning scheme that brings up interference scenarios where we can take advantage of multiple-input multiple-output (MIMO) compatibility from macro base stations. Simulation results show that the proposed spectrum usage in combination with general MIMO schemes achieves significant performance enhancement in terms of small cell capacity at the cost of a relatively small degradation in macro cell capacity. 
URL : https://ieeexplore.ieee.org/abstract/document/9448816 
List of Articles
No.
Statussort Date
» [IEEE VTC] Hyunjin Kim, Hyejin Kim, Jintae Kim, and Daesik Hong, "A Novel Spectrum Partitioning Scheme for Dynamic Heterogeneous Networks" IEEE VTC Spring 2021 Presented  2021-02 
2 [IEEE VTC] Hyejin Kim, Kwonjong Lee, Hano Wang, and Daesik Hong, "Cross Link Interference Mitigation Schemes in Dynamic TDD Systems" IEEE VTC Fall 2019 Presented  2019-07 
1 [IEEE VTC] Kwonjong Lee, Yosub Park, Hano Wang, and Daesik Hong, "Dual Layer Small Cell On/Off Control for Ultra Dense Small Cell Networks ," IEEE VTC Spring 2017 file Presented  2017-06