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Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing directive beamforming require reliable estimation of the wireless propagation channel. However, mmWave channels are characterized by high variability…

Information Theory · Computer Science 2019-06-07 Evangelos Vlachos , George C. Alexandropoulos , John Thompson

In recent years, many MAC protocols for wireless sensor networks have been proposed and most of them are evaluated using Matlab simulator and/or network simulators (OMNeT++, NS2, etc). However, most of them have a static behavior and few…

Networking and Internet Architecture · Computer Science 2014-09-04 Van-Thiep Nguyen , Matthieu Gautier , Olivier Berder

Multi-arm bandit (MAB) algorithms have been used to learn optimal beams for millimeter wave communication systems. Here, the complexity of learning the optimal beam linearly scales with the number of beams, leading to high latency when…

Signal Processing · Electrical Eng. & Systems 2023-06-30 Akanksha Sneh , Sumit Darak , Shobha Sundar Ram , Manjesh Hanawal

Unlike wired networks, the capacity of a wireless network is interference limited due to the broadcast nature of wireless medium. Some multicast wireless network protocols do not consider channel assignment issue, that they cause…

Networking and Internet Architecture · Computer Science 2012-10-12 Abbas Nargesi , Mehdi Ghasemi

Increased density of wireless devices, ever growing demands for extremely high data rate, and spectrum scarcity at microwave bands make the millimeter wave (mmWave) frequencies an important player in future wireless networks. However,…

Information Theory · Computer Science 2015-09-28 Hossein Shokri-Ghadikolaei , Carlo Fischione , Petar Popovski , Michele Zorzi

As a result of the recent advances in physical (PHY) layer communication techniques, it is possible to receive multiple packets at the receiver concurrently. This capability of a receiver to decode multiple simultaneous transmissions is…

Networking and Internet Architecture · Computer Science 2013-08-27 Arun I B , T. G. Venkatesh

The last few decades have seen considerable research progress in microelectronics and integrated circuits, system-on-chip design, wireless communication, and sensor technology. This progress has enabled the seamless integration of…

Networking and Internet Architecture · Computer Science 2018-10-26 Sana Ullah , Pervez Khan , Young-Woo Choi , Hyung-Soo Lee , Kyung Sup Kwak

We design a cross-layer approach to aid in develop- ing a cooperative solution using multi-packet reception (MPR), network coding (NC), and medium access (MAC). We construct a model for the behavior of the IEEE 802.11 MAC protocol and apply…

Networking and Internet Architecture · Computer Science 2011-07-21 Jason Cloud , Linda Zeger , Muriel Médard

Fundamental requirements of mmWave systems are peak data rates of multiple Gbps and latencies of the order of at most a few milliseconds. However, highly directional mmWave links are susceptible to frequent link failures under stress…

Networking and Internet Architecture · Computer Science 2021-07-02 Chanaka Samarathunga , Mohamed Abouelseoud , Kazuyuki Sakoda , Morteza Hashemi

This paper proposes a cross-layer based cognitive radio multichannel medium access control (MAC) protocol with TDMA, which integrate the spectrum sensing at physical (PHY) layer and the packet scheduling at MAC layer, for the ad hoc…

Networking and Internet Architecture · Computer Science 2010-09-28 S. M. Kamruzzaman

In this paper, we propose a multi-channel full-duplex Medium Access Control (MAC) protocol for cognitive radio networks (MFDC-MAC). Our design exploits the fact that full-duplex (FD) secondary users (SUs) can perform spectrum sensing and…

Information Theory · Computer Science 2016-02-02 Tan Le Thanh , Long Bao Le

In the advent of next-generation wireless communication, millimeter-wave (mmWave) and terahertz (THz) technologies are pivotal for their high data rate capabilities. However, their reliance on large antenna arrays and narrow directive beams…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Gouranga Charan , Ahmed Alkhateeb

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

Networking and Internet Architecture · Computer Science 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

With the increasing demand of ultra-high-speed wireless communications and the existing low frequency band (e.g., sub-6GHz) becomes more and more crowded, millimeter-wave (mmWave) with large spectra available is considered as the most…

Networking and Internet Architecture · Computer Science 2017-09-13 Pei Zhou , Xuming Fang , Yan Long

Hybrid analog and digital BeamForming (HBF) is one of the enabling transceiver technologies for millimeter Wave (mmWave) Multiple Input Multiple Output (MIMO) systems. This technology offers highly directional communication, which is able…

Information Theory · Computer Science 2021-01-19 George C. Alexandropoulos , Ioanna Vinieratou , Mattia Rebato , Luca Rose , Michele Zorzi

In this letter, we study an efficient multi-beam training method for multiuser millimeter-wave communication systems. Unlike the conventional single-beam training method that relies on exhaustive search, multi-beam training design faces a…

Signal Processing · Electrical Eng. & Systems 2026-01-08 Weijia Wang , Changsheng You , Xiaodan Shao , Rui Zhang

Combining millimetre-wave (mmWave) communications with an extremely large-scale antenna array (ELAA) presents a promising avenue for meeting the spectral efficiency demands of the future sixth generation (6G) mobile communications. However,…

Information Theory · Computer Science 2024-04-25 Wang Liu , Cunhua Pan , Hong Ren , Cheng-Xiang Wang , Jiangzhou Wang , Xiaohu You

In this paper, a novel framework is proposed for optimizing the operation and performance of a large-scale, multi-hop millimeter wave (mmW) backhaul within a wireless small cell network (SCN) that encompasses multiple mobile network…

Computer Science and Game Theory · Computer Science 2017-05-23 Omid Semiari , Walid Saad , Mehdi Bennis , Zaher Dawy

We present MIMO FOR MATLAB (MFM), a toolbox for MATLAB that aims to simplify the simulation of multiple-input multiple-output (MIMO) communication systems research while facilitating reproducibility, consistency, and community-driven…

Signal Processing · Electrical Eng. & Systems 2021-11-10 Ian P. Roberts

Multi-cell wireless systems usually suffer both intra-cell and inter-cell interference, which can be mitigated via coordinated multipoint (CoMP) techniques. Previous works on multi-cell analysis for the microwave band generally consider…

Information Theory · Computer Science 2018-03-13 Shu Sun , Theodore S. Rappaport , Mansoor Shafi
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