Search Results - "Adachi, Fumiyuki"

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  1. 1

    A Survey on Resource Allocation for 5G Heterogeneous Networks: Current Research, Future Trends, and Challenges by Xu, Yongjun, Gui, Guan, Gacanin, Haris, Adachi, Fumiyuki

    Published in IEEE Communications surveys and tutorials (01-01-2021)
    “…In the fifth-generation (5G) mobile communication system, various service requirements of different communication environments are expected to be satisfied. As…”
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    Journal Article
  2. 2

    6G: Opening New Horizons for Integration of Comfort, Security, and Intelligence by Gui, Guan, Liu, Miao, Tang, Fengxiao, Kato, Nei, Adachi, Fumiyuki

    Published in IEEE wireless communications (01-10-2020)
    “…The innovations provided by sixth generation wireless communication (6G) as compared to fifth generation (5G) are considered in this article based on analysis…”
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    Journal Article
  3. 3

    The Application of MIMO to Non-Orthogonal Multiple Access by Zhiguo Ding, Adachi, Fumiyuki, Poor, H. Vincent

    “…This paper considers the application of multiple-input multiple-output (MIMO) techniques to nonorthogonal multiple access (NOMA) systems. A new design of…”
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    Journal Article
  4. 4

    Deep Learning for Physical-Layer 5G Wireless Techniques: Opportunities, Challenges and Solutions by Huang, Hongji, Guo, Song, Gui, Guan, Yang, Zhen, Zhang, Jianhua, Sari, Hikmet, Adachi, Fumiyuki

    Published in IEEE wireless communications (01-02-2020)
    “…The new demands for high-reliability and ultra-high capacity wireless communication have led to extensive research into 5G communications. However, current…”
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    Journal Article
  5. 5

    Lightweight Automatic Modulation Classification Based on Decentralized Learning by Fu, Xue, Gui, Guan, Wang, Yu, Ohtsuki, Tomoaki, Adebisi, Bamidele, Gacanin, Haris, Adachi, Fumiyuki

    “…Due to the implementation and performance limitations of centralized learning automatic modulation classification (CentAMC) method, this paper proposes a…”
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    Journal Article
  6. 6

    Sparse least mean fourth algorithm for adaptive channel estimation in low signal-to-noise ratio region by Gui, Guan, Adachi, Fumiyuki

    “…SUMMARY Both least mean square (LMS) and least mean fourth (LMF) are popular adaptive algorithms with application to adaptive channel estimation. Because the…”
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    Journal Article
  7. 7

    Adaptive system identification using robust LMS/F algorithm by Gui, Guan, Peng, Wei, Adachi, Fumiyuki

    “…ABSTRACT Adaptive system identification (ASI) problems have attracted both academic and industrial attentions for a long time. As one of the classical…”
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    Journal Article
  8. 8

    Sojourn Time-Based Velocity Estimation in Small Cell Poisson Networks by Merwaday, Arvind, Guvenc, Ismail, Saad, Walid, Mehbodniya, Abolfazl, Adachi, Fumiyuki

    Published in IEEE communications letters (01-02-2016)
    “…Due to the increasing density of small cells, mobility management in heterogeneous networks has become a challenging task. One key challenge facing the…”
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    Journal Article
  9. 9

    Challenges for beyond 5G:ultra-densification of radio access network by Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo

    Published in Tongxin Xuebao (25-11-2020)
    “…Ultra-densification of radio access network (RAN) is a key to efficiently support the exponentially growing mobile data traffic in 5G era.Furthermore,extremely…”
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    Journal Article
  10. 10

    A Study on User-antenna Cluster Formation for Cluster-wise MU-MIMO by Xia, Sijie, Ge, Chang, Chen, Qiang, Adachi, Fumiyuki

    “…The ultra-dense radio access network (RAN) consisting of a large number of distributed antennas and user terminals is considered to improve link capacity and…”
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    Conference Proceeding
  11. 11

    Downlink Capacity Comparison of MMSE-SVD and BD-SVD for Cooperative Distributed Antenna Transmission Using Multi-User Scheduling by Seki, Yuta, Adachi, Fumiyuki

    “…Cooperative distributed antenna transmission (CDAT) is a promising transmission technique to achieve a high link capacity by exploiting the spatial…”
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    Conference Proceeding
  12. 12

    Performance of Enhanced Interference Coordination Using Multi-layered Clustering for 5G Advanced Ultra-dense RAN by Takahashi, Ryo, Matsuo, Hidenori, Adachi, Fumiyuki

    “…Ultra-densification of radio access network (RAN) is essential to efficiently handle ever-increasing mobile data traffic. In ultra-dense RAN consisting of a…”
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    Conference Proceeding
  13. 13

    Sparse Adaptive Iteratively-Weighted Thresholding Algorithm (SAITA) for L p -Regularization Using the Multiple Sub-Dictionary Representation by Li, Yunyi, Zhang, Jie, Fan, Shangang, Yang, Jie, Xiong, Jian, Cheng, Xiefeng, Sari, Hikmet, Adachi, Fumiyuki, Gui, Guan

    Published in Sensors (Basel, Switzerland) (01-12-2017)
    “…Both L1/2 and L2/3 are two typical non-convex regularizations of Lp ( 0<p<1 ), which can be employed to obtain a sparser solution than the L1 regularization…”
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    Journal Article
  14. 14

    Enhanced Interference Coordination and Radio Resource Management for 5G Advanced Ultra-dense RAN by Adachi, Fumiyuki, Takahashi, Ryo, Matsuo, Hidenori

    “…Ultra-densification of radio access network (RAN) is necessary to handle ever-increasing mobile data traffic even after starting of 5G services. Dense reuse of…”
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    Conference Proceeding
  15. 15
  16. 16

    Performance Analysis of Fountain Codes in Multihop Relay Networks by James, Ashish, Madhukumar, A. S., Kurniawan, Ernest, Adachi, Fumiyuki

    Published in IEEE transactions on vehicular technology (01-11-2013)
    “…Fountain codes have been extensively employed in delay-tolerant networks (DTNs) due to their near-capacity performance with very low encoding/decoding…”
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    Journal Article
  17. 17

    A Blind Polyphase Time-Domain Selected Mapping for Filtered Single-Carrier Signal Transmission by Boonkajay, Amnart, Adachi, Fumiyuki

    “…Single-carrier (SC) signal has a low peak-to-average power ratio (PAPR) property. However, the PAPR of SC signal increases if transmit filtering and/or…”
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    Conference Proceeding
  18. 18

    Minimizing Base Stations' ON/OFF Switchings in Self-Organizing Heterogeneous Networks: A Distributed Satisfactory Framework by Hajijamali Arani, Atefeh, Omidi, Mohammad Javad, Mehbodniya, Abolfazl, Adachi, Fumiyuki

    Published in IEEE access (01-01-2017)
    “…The deployment of heterogeneous networks (HetNets) can significantly boost the network capacity. However, the large number of small cell base stations (SBSs)…”
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    Journal Article
  19. 19

    Fuzzy-Based Game Theoretic Mobility Management for Energy Efficient Operation in HetNets by Vasudeva, Karthik, Dikmese, Sener, Guven, Ismail, Mehbodniya, Abolfazl, Saad, Walid, Adachi, Fumiyuki

    Published in IEEE access (2017)
    “…The dense deployment of heterogeneous networks (HetNets) has shown to be a promising direction to cope with the capacity demands in the future 5G wireless…”
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    Journal Article
  20. 20

    Evaluation of Machine Learnable Bandwidth Allocation Strategy for User Cooperative Traffic Forwarding by Shan, Lin, Zhao, Ou, Temma, Katsuhiro, Hattori, Kiyohiko, Kojima, Fumihide, Adachi, Fumiyuki

    Published in IEEE access (2019)
    “…In recent years, user cooperative traffic forwarding is a popular study topic and broadly seen as one of the important promising technologies to improve energy…”
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    Journal Article