English
Related papers

Related papers: Distributed Beam Alignment in sub-THz D2D Networks

200 papers

This paper studies the benefits of incorporating underlaid full-duplex (FD) device-to-device (D2D) communications into massive multiple-input-multiple-output (MIMO) downlink systems. Due to the nature of cellular downlink and FD D2D…

Signal Processing · Electrical Eng. & Systems 2020-11-11 Hung V. Vu , Tho Le-Ngoc

In this work, we study a six-dimensional movable antenna (6DMA)-enhanced Terahertz (THz) network that supports a large number of users with a few antennas by controlling the three-dimensional (3D) positions and 3D rotations of antenna…

Information Theory · Computer Science 2025-05-09 Xiaodan Shao , Yixiao Zhang , Shisheng Hu , Zhixuan Tang , Mingcheng He , Xinyu Huang , Weihua Zhuang , Xuemin Shen

Device-to-device (D2D) communication is being heralded as an important part of the solution to the capacity problem in future networks, and is expected to be natively supported in 5G. Given the high network complexity and required…

Networking and Internet Architecture · Computer Science 2016-08-30 Conor Sexton , Quentin Bodinier , Arman Farhang , Nicola Marchetti , Faouzi Bader , Luiz A. DaSilva

In this paper, we propose a novel optimization model for multiple Unmanned Areal Vehicles (UAVs) working as relays and helping Device-to-Device (D2D) communications at the same time. The goal of the UAVs is to operate in an energy-efficient…

Networking and Internet Architecture · Computer Science 2019-12-10 Ahmad Alsharoa , Murat Yukse

Device-to-device (D2D) communication, which enables a direct connection between users while bypassing the cellular channels to base stations (BSs), is a promising way to offload the traffic from conventional cellular networks. In D2D…

Information Theory · Computer Science 2019-11-19 Mehyar Najla , Zdenek Becvar , Pavel Mach , David Gesbert

Distributed tensor decomposition (DTD) is a fundamental data-analytics technique that extracts latent important properties from high-dimensional multi-attribute datasets distributed over edge devices. Conventionally its wireless…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-16 Xu Chen , Erik G. Larsson , Kaibin Huang

Terahertz (THz) communication is considered as an attractive way to overcome the bandwidth bottleneck and satisfy the ever-increasing capacity demand in the future. Due to the high directivity and propagation loss of THz waves, a massive…

Information Theory · Computer Science 2021-10-05 Boyu Ning , Zhi Chen , Zhongbao Tian , Chong Han , Shaoqian Li

We consider a device-to-device (D2D) aided multicast channel, where a transmitter wishes to convey a common message to many receivers and these receivers cooperate with each other. We propose a simple computationally efficient scheme…

Information Theory · Computer Science 2018-01-17 Thomas Varela Santana , Richard Combes , Mari Kobayashi

Device-to-Device (D2D) communication is envisioned to be an integral component of 5G networks, and a technique for meeting the demand for high data rates. In a cellular network, D2D allows not only direct communication between users, but…

Information Theory · Computer Science 2015-05-04 Anas Chaaban , Aydin Sezgin

Multicast services, whereby a common valuable message needs to reach a whole population of user equipments (UEs), are gaining attention on account of new applications such as vehicular networks. As it proves challenging to guarantee…

Signal Processing · Electrical Eng. & Systems 2019-04-05 Placido Mursia , Italo Atzeni , David Gesbert , Mari Kobayashi

Exploiting the millimeter wave (mmWave) band has recently attracted considerable attention as a potential solution to widespread deployment of device-to-device (D2D) communication challenges, namely, spectrum scarcity and interference.…

Signal Processing · Electrical Eng. & Systems 2019-06-17 Niloofar Bahadori , Nima Namvar , Brian Kelley , Abdollah Homaifar

The challenging propagation environment, combined with the hardware limitations of mmWave systems, gives rise to the need for accurate initial access beam alignment strategies with low latency and high achievable beamforming gain. Much of…

Information Theory · Computer Science 2024-01-25 Daniel Tandler , Marc Gauger , Ahmet Serdar Tan , Sebastian Dörner , Stephan ten Brink

We study an one-hop device-to-device (D2D) assisted wireless caching network, where popular files are randomly and independently cached in the memory of end-users. Each user may obtain the requested files from its own memory without any…

Information Theory · Computer Science 2015-12-18 Lin Zhang , Ming Xiao , Gang Wu , Shaoqian Li

In this paper, we consider device-to-device (D2D) communication that is underlaid in a multi-cell massive multiple-input multiple-output (MIMO) system and propose a new framework for power control and pilot allocation. In this scheme, the…

Information Theory · Computer Science 2019-03-07 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

This paper proposes a new power control and pilot allocation scheme for device-to-device (D2D) communication underlaying a multi-cell massive MIMO system. In this scheme, the cellular users in each cell get orthogonal pilots which are…

Information Theory · Computer Science 2018-11-05 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

Heterogeneous cellular networks (HCNs) with millimeter wave (mm-wave) communications are considered as a promising technology for the fifth generation mobile networks. Mm-wave has the potential to provide multiple gigabit data rate due to…

Networking and Internet Architecture · Computer Science 2019-03-07 Yali Chen , Bo Ai , Yong Niu , Ruisi He , Zhangdui Zhong , Zhu Han

One of the most significant 5G technology enablers will be Device-to-Device (D2D) communications. D2D communications constitute a promising way to improve spectral, energy and latency performance, exploiting the physical proximity of…

Information Theory · Computer Science 2017-11-10 Marios I. Poulakis , Antonis G. Gotsis , Angeliki Alexiou

We address the problem of distributed resource allocation for multicast communication in device-to-device (D2D) enabled underlay cellular networks. The optimal resource allocation is crucial for maximizing the performance of such networks,…

Networking and Internet Architecture · Computer Science 2023-09-27 Mohd Saif Ali Khan , Ajay Bhardwaj , Samar Agnihotri

In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming at the base station (BS). The following persisting…

Signal Processing · Electrical Eng. & Systems 2023-05-24 Yuwen Cao , Tomoaki Ohtsuki , Setareh Maghsudi , Tony Q. S. Quek

Federated learning (FL) with over-the-air computation can efficiently utilize the communication bandwidth but is susceptible to analog aggregation error. Excluding those devices with weak channel conditions can reduce the aggregation error,…

Information Theory · Computer Science 2024-03-08 Faeze Moradi Kalarde , Min Dong , Ben Liang , Yahia A. Eldemerdash Ahmed , Ho Ting Cheng