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Reconfigurable intelligent surface (RIS) technology is a promising method to enhance the device-to-device (D2D) communications. To maximize the sum rate of the cellular and D2D networks, a joint optimization of the position and the phase…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Zelin Ji , Zhijin Qin

Reconfigurable intelligent surface (RIS) has recently been gained attention as an effective technique improving the coverage and performance of communication systems by creating additional communication links. Deployment of RIS is crucial…

Information Theory · Computer Science 2026-04-20 Changzhu Liu , Ruisi He , Haoxiang Zhang , Jiahui Han , Ruifeng Chen , Bo Ai , Zhangdui Zhong

As one indispensable use case for the 5G wireless systems on the roadmap, ultra-reliable and low latency communications (URLLC) is a crucial requirement for the coming era of wireless industrial automation. This paper aims to develop…

Information Theory · Computer Science 2018-05-16 Liang Liu , Wei Yu

This paper considers the joint transceiver design for downlink multiuser multiple-input single-output (MISO) systems with coordinated base stations (BSs) where imperfect channel state information (CSI) is available at the BSs and mobile…

Optimization and Control · Mathematics 2013-11-26 Tadilo Endeshaw , Luc Vandendorpe , Batu Krishna Chalise

In device-to-device (D2D) communication under a cell with resource sharing mode the spectrum resource utilization of the system will be improved. However, if the interference generated by the D2D user is not controlled, the performance of…

Networking and Internet Architecture · Computer Science 2025-11-04 Shi Gengtian , Takashi Koshimizu , Megumi Saito , Pan Zhenni , Liu Jiang , Shigeru Shimamoto

In this paper, we propose a resource allocation algorithm for the downlink of sectorized two-dimensional (2-D) OFDMA cellular networks assuming statistical Channel State Information (CSI) and fractional frequency reuse. The proposed…

Information Theory · Computer Science 2016-11-17 Nassar Ksairi , Pascal Bianchi , Philippe Ciblat

Device-to-Device (D2D) communication has been recognized as a promising technique to offload the traffic for the evolved Node B (eNB). However, the D2D transmission as an underlay causes severe interference to both the cellular and other…

Networking and Internet Architecture · Computer Science 2016-04-13 Hongliang Zhang , Lingyang Song , Zhu Han

Sparse code multiple access (SCMA) is the most concerning scheme among non-orthogonal multiple access (NOMA) technologies for 5G wireless communication new interface. Another efficient technique in 5G aimed to improve spectral efficiency…

Information Theory · Computer Science 2022-09-22 Yukai Liu , Wen Chen

In this paper, joint resource allocation and power control for energy efficient device-to-device (D2D) communications underlaying cellular networks are investigated. The resource and power are optimized for maximization of the energy…

Information Theory · Computer Science 2017-03-22 Yanxiang Jiang , Qiang Liu , Fuchun Zheng , Xiqi Gao , Xiaohu You

In this letter, we investigate a reconfigurable intelligent surfaces (RIS)-aided device to device (D2D) communication system over Rician fading channels with imperfect hardware including both hardware impairment at the transceivers and…

Signal Processing · Electrical Eng. & Systems 2021-12-07 Zhangjie Peng , Tianshu Li , Cunhua Pan , Hong Ren , Jiangzhou Wang

The susceptibility of millimeter waveform propagation to blockages limits the coverage of millimeter-wave (mmWave) signals. To overcome blockages, we propose to leverage two-hop device-to-device (D2D) relaying. Using stochastic geometry, we…

Emerging Technologies · Computer Science 2018-01-03 Shuanshuan Wu , Rachad Atat , Nicholas Mastronarde , Lingjia Liu

In the existing cellular networks, it remains a challenging problem to communicate with and control an unmanned aerial vehicle (UAV) swarm with both high reliability and low latency. Due to the UAV swarm's high working altitude and strong…

Information Theory · Computer Science 2020-02-13 Yitao Han , Liang Liu , Lingjie Duan , Rui Zhang

Device-to-device (D2D) communications is expected to be a critical enabler of distributed computing in edge networks at scale. A key challenge in providing this capability is the requirement for judicious management of the heterogeneous…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Junghoon Kim , Taejoon Kim , Morteza Hashemi , Christopher G. Brinton , David J. Love

With the increase in mobile traffic and the bandwidth demand, Device-to-Device (D2D) communication underlaying Long Term Evolution (LTE) networks has gained tremendous interest by the researchers, cellular operators and equipment…

Networking and Internet Architecture · Computer Science 2016-12-12 Bighnaraj Panigrahi , Rashmi Ramamohan , Hemant Kumar Rath , Anantha Simha

Recent studies indicate the feasibility of full-duplex (FD) bidirectional wireless communications. Due to its potential to increase the capacity, analyzing the performance of a cellular network that contains full-duplex devices is crucial.…

Networking and Internet Architecture · Computer Science 2018-02-12 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

This paper studies a downlink multiuser transmit beamforming design under spherical channel uncertainties, using a worst-case robust formulation. This robust design problem is nonconvex. Recently, a convex approximation formulation based on…

Information Theory · Computer Science 2016-11-17 Tsung-Hui Chang , Wing-Kin Ma , Chong-Yung Chi

In this paper, we propose a deep reinforcement learning (DRL) approach for solving the optimisation problem of the network's sum-rate in device-to-device (D2D) communications supported by an intelligent reflecting surface (IRS). The IRS is…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Khoi Khac Nguyen , Antonino Masaracchia , Cheng Yin , Long D. Nguyen , Octavia A. Dobre , Trung Q. Duong

We develop a comprehensive framework to characterize and optimize the performance of a unmanned aerial vehicle (UAV)-assisted D2D network, where D2D transmissions underlay cellular transmissions. Different from conventional…

Information Theory · Computer Science 2020-08-17 Mehdi Monemi , Hina Tabassum

Future mobile networks are supposed to serve high data rates required by users. To accommodate the high data rates, a direct communication between nearby mobile terminals (MTs), known as Device-to-device (D2D) communication, can be…

Information Theory · Computer Science 2017-09-14 Pavel Mach , Zdenek Becvar , Mehyar Najla , Stanislav Zvanovec

Owing to the vulnerability of relay-assisted and device-to-device (D2D) communications, improving wireless security from a physical layer signal processing perspective is attracting increasing interest. Hence we address the problem of…

Information Theory · Computer Science 2016-06-24 Jiaxin Yang , Qiang Li , Benoit Champagne , Yulong Zou , Lajos Hanzo
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