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Achieving significant performance gains both in terms of system throughput and massive connectivity, non-orthogonal multiple access (NOMA) has been considered as a very promising candidate for future wireless communications technologies. It…

Networking and Internet Architecture · Computer Science 2021-08-31 Zeyad Elsaraf , Faheem A. Khan , Qasim Zeeshan Ahmed

Mobile edge computing (MEC) and millimeter wave (mmWave) communications are capable of significantly reducing the network's delay and enhancing its capacity. In this paper we investigate a mmWave and device-to-device (D2D) assisted MEC…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Yanzhen Liu , Yunlong Cai , An Liu , Minjian Zhao , Lajos Hanzo

The sensitivity of millimeter wave (mmWave) signals to blockages is a fundamental challenge for mobile mmWave communication systems. The sudden blockage of the line-of-sight (LOS) link between the base station and the mobile user normally…

Information Theory · Computer Science 2018-07-11 Ahmed Alkhateeb , Iz Beltagy

The growth in wireless traffic and mobility of devices have congested the core network significantly. This bottleneck, along with spectrum scarcity, made the conventional cellular networks insufficient for the dissemination of large…

Networking and Internet Architecture · Computer Science 2021-04-13 Niloofar Bahadori , Mahmoud Nabil , Brian Kelley , Abdollah Homaifar

The increasing demand for sensing, collecting, transmitting, and processing vast amounts of data poses significant challenges for resource-constrained mobile users, thereby impacting the performance of wireless networks. In this regard,…

Networking and Internet Architecture · Computer Science 2024-07-23 Yaoqi Yang , Hongyang Du , Zehui Xiong , Dusit Niyato , Abbas Jamalipour , Zhu Han

In this paper, a novel dual-mode scheduling framework is proposed that jointly performs user applications (UA) selection and scheduling over microwave ($\mu$W) and millimeter wave (mmW) bands. The proposed scheduling framework utilizes a…

Information Theory · Computer Science 2017-05-09 Omid Semiari , Walid Saad , Mehdi Bennis

One of the most promising approaches to overcome the drastic channel variations of millimeter wave (mmW) communications is to deploy dual-mode base stations that integrate both mmW and microwave (\muW) frequencies. Reaping the benefits of a…

Information Theory · Computer Science 2016-11-17 Omid Semiari , Walid Saad , Mehdi Bennis

This paper focuses on multiuser MIMO channel estimation and data transmission at millimeter wave (mmWave) frequencies. The proposed approach relies on the time-division-duplex (TDD) protocol and is based on two distinct phases. First of…

Information Theory · Computer Science 2017-04-25 Stefano Buzzi , Carmen D'Andrea

Intelligent reflecting surface (IRS) technology offers more feasible propagation paths for millimeter-wave (mmWave) communication systems to overcome blockage than existing technologies. In this paper, we consider a downlink wireless system…

Signal Processing · Electrical Eng. & Systems 2021-01-22 Yue Xiu , Yang Zhao , Yang Liu , Jun Zhao , Osman Yagan , Ning Wei

Energy-efficient communication is an important issue in wireless sensor networks (WSNs) consisting of large number of energy-constrained sensor nodes. Indeed, sensor nodes have different energy budgets assigned to data transmission at…

Information Theory · Computer Science 2014-01-17 Mohammed F. A. Ahmed , Sergiy A. Vorobyov

The capability of smarter networked devices to dynamically select appropriate radio connectivity options is especially important in the emerging millimeter-wave (mmWave) systems to mitigate abrupt link blockage in complex environments. To…

Networking and Internet Architecture · Computer Science 2024-10-30 Vitaly Petrov , Dmitri Moltchanov , Sergey Andreev , Robert W. Heath

The millimeter-wave (mmWave) communication technology, which employs large-scale antenna arrays, enables inherent sensing capabilities. Simultaneous localization and mapping (SLAM) can utilize channel multipath angle estimates to realize…

Information Theory · Computer Science 2023-07-18 Hang Que , Jie Yang , Chao-Kai Wen , Shuqiang Xia , Xiao Li , Shi Jin

Millimeter wave (mmWave) technology is expected to be a major component of 5G wireless networks. Ultra-wide bandwidths of mmWave signals and the possibility of utilizing large number of antennas at the transmitter and the receiver allow…

Signal Processing · Electrical Eng. & Systems 2018-08-01 Macey Ruble , Dr. Ismail Guvenc

We present a beamforming algorithm for multiuser wideband millimeter wave (mmWave) communication systems where one access point uses hybrid analog/digital beamforming while multiple user stations have phased-arrays with a single RF chain.…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Carlos A. Viteri-Mera , Fernando L. Teixeira

With the emergence of integrated access and backhaul (IAB) in the fifth generation (5G) of cellular networks, backhaul is no longer just a passive capacity constraint in cellular network design. In fact, this tight integration of access and…

Information Theory · Computer Science 2019-06-04 Chiranjib Saha , Harpreet S. Dhillon

We develop distributed algorithms to allocate resources in multi-hop wireless networks with the aim of minimizing total cost. In order to observe the fundamental duplexing constraint that co-located transmitters and receivers cannot operate…

Networking and Internet Architecture · Computer Science 2016-11-15 Yufang Xi , Edmund M. Yeh

Triggered by the explosion of mobile traffic, 5G (5th Generation) cellular network requires evolution to increase the system rate 1000 times higher than the current systems in 10 years. Motivated by this common problem, there are several…

Millimeter wave (mmW) communication is a promising solution for providing high-capacity wireless network access. However, the benefits of mmW are limited by the fact that the channel between a mmW access point and the user equipment can…

Networking and Internet Architecture · Computer Science 2019-06-07 Mehdi Naderi Soorki , Walid Saad , Mehdi Bennis

We study physical layer multicasting in multicell networks where each base station, equipped with multiple antennas, transmits a common message using a single beamformer to multiple users in the same cell. We investigate two coordinated…

Information Theory · Computer Science 2012-10-23 Zhengzheng Xiang , Meixia Tao , Xiaodong Wang

Reconfigurable intelligent surface (RIS) emerges as a promising technology for the next generation networks. In this paper, we utilize the tools from stochastic geometry to study the performance of a RIS-assisted millimeter wave (mmWave)…

Information Theory · Computer Science 2021-04-19 Le Yang , Fu-Chun Zheng , Shi Jin
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