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Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponentially related to its sampling resolution and the hardware…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Aryan Kaushik , Christos Tsinos , Evangelos Vlachos , John Thompson

Millimeter wave communications require multibeam beamforming in order to utilize wireless channels that suffer from obstructions, path loss, and multi-path effects. Digital multibeam beamforming has maximum degrees of freedom compared to…

We propose efficient and low-complexity multiuser detection (MUD) algorithms for Gaussian multiple access channel (G-MAC) for short-packet transmission in massive machine type communications. To do so, we first formulate the G-MAC MUD…

Information Theory · Computer Science 2024-03-26 Mostafa Mohammadkarimi , Masoud Ardakani

The frequency range around 7 GHz has emerged as a promising upper mid-band spectrum for 6th generation (6G), offering a practical balance between coverage and capacity. To fully exploit this band, however, future systems require…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Seunghyun Lee , Jungmin Yoon , Sangwon Jung , Young-Han Nam , Gary Xu , Chan-Byoung Chae , Juho Lee , Jianzhong , Zhang

In order to meet the demands of `Internet above the clouds', we propose a multiple-antenna aided adaptive coding and modulation (ACM) for aeronautical communications. The proposed ACM scheme switches its coding and modulation mode according…

Information Theory · Computer Science 2017-11-28 Jiankang Zhang , Sheng Chen , Robert G. Maunder , Rong Zhang , Lajos Hanzo

Detecting anomalous behavior in network traffic is a major challenge due to the volume and velocity of network traffic. For example, a 10 Gigabit Ethernet connection can generate over 50 MB/s of packet headers. For global network providers,…

The availability of large bandwidth at millimeter wave (mmWave) frequencies is one of the major factors that rendered very high frequencies a promising candidate enabler for fifth generation (5G) mobile communication networks. To confront…

Information Theory · Computer Science 2016-10-04 George C. Alexandropoulos , Symeon Chouvardas

We consider large MIMO systems, where by `{\em large}' we mean number of transmit and receive antennas of the order of tens to hundreds. Such large MIMO systems will be of immense interest because of the very high spectral efficiencies…

Information Theory · Computer Science 2008-04-08 K. Vishnu Vardhan , Saif K. Mohammed , A. Chockalingam , B. Sundar Rajan

With the successful worldwide deployment of 3rd generation mobile communication, security aspects are ensured partly. Researchers are now looking for 4G mobile for its deployment with high data rate, enhanced security and reliability so…

Information Theory · Computer Science 2011-05-03 Rabindranath Bera , Subir Kumar Sarkar , Bikash Sharma , Samarendra Nath Sur , Debasish Bhaskar , Soumyasree Bera

We experimentally demonstrate a C band 100Gbit/s intensity modulation and direct detection entropy-loaded multi-rate Nyquist-subcarrier modulation signal over 100km dispersion-uncompensated link. A record capacity-reach of…

Signal Processing · Electrical Eng. & Systems 2022-02-03 Haide Wang , Ji Zhou , Jinlong Wei , Wenxuan Mo , Yuanhua Feng , Weiping Liu , Changyuan Yu , Zhaohui Li

This report describes the design and proposal of a wireless link capable of broadcasting at 1 Gbps. For this application, isotropic antennas, 256 QAM modulation, and BER level less than 1e-5, without using error correction coding, were…

Signal Processing · Electrical Eng. & Systems 2023-06-21 David Noel

In this article, we provide a much-needed study of UAV cellular communications, focusing on the rates achievable for the UAV downlink command and control (C&C) channel. For this key performance indicator, we perform a realistic comparison…

Information Theory · Computer Science 2018-02-06 Giovanni Geraci , Adrian Garcia-Rodriguez , Lorenzo Galati Giordano , David López-Pérez , Emil Björnson

We propose a fast and near-optimal approach to joint channel-estimation, equalization, and decoding of coded single-carrier (SC) transmissions over frequency-selective channels with few-bit analog-to-digital converters (ADCs). Our approach…

Information Theory · Computer Science 2019-01-30 Peng Sun , Zhongyong Wang , Robert W. Heath , Philip Schniter

This study compares transponder-based, Point-to-Point, and DSCM-based Point-to-Multipoint (PtMP) access-metro architectures. Findings demonstrate that PtMP IPoWDM significantly optimizes efficiency across diverse geotypes, slashing CAPEX by…

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

Millimeter-wave (30-300 GHz) and Terahertz-band communications (0.3-10 THz) are envisioned as key wireless technologies to satisfy the demand for Terabit-per-second (Tbps) links in the 5G and beyond eras. The very large available bandwidth…

Signal Processing · Electrical Eng. & Systems 2019-04-18 Shuai Nie , Josep M. Jornet , Ian F. Akyildiz

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network (C-RAN), which is a…

Information Theory · Computer Science 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

Wireless network capacity can be regarded as the most important performance metric for wireless communication systems. With the fast development of wireless communication technology, future wireless systems will become more and more…

Information Theory · Computer Science 2022-08-17 Han Hao , Dandan Jiang , Lu Yang , Hao Wu , Bo Bai

The potential application of advanced digital communication schemes in a future upgrade of the CMS Tracker readout optical links is currently being investigated at CERN. We show experimentally that multi-Gbit/s data rates are possible over…

Instrumentation and Detectors · Physics 2010-04-28 Stefanos Dris , Costas Foudas , Karl Gill , Robert Grabit , Daniel Ricci , Jan Troska , Francois Vasey

Future wireless communication infrastructure will rely on terahertz systems that can support an increasing demand for large-bandwidth, ultra-fast wireless data transfer. In order to satisfy this demand, compact, low-power, and low noise…