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A novel distributed space-time block code (STBC) for the next generation mobile TV broadcasting is proposed. The new code provides efficient performance within a wide range of power imbalance showing strong adaptivity to the single…

Networking and Internet Architecture · Computer Science 2012-12-12 Ming Liu , Maryline Hélard , Matthieu Crussière , Jean-François Hélard

Multiple-input double-output (MIDO) codes are important in the near-future wireless communications, where the portable end-user device is physically small and will typically contain at most two receive antennas. Especially tempting is the 4…

Information Theory · Computer Science 2016-11-15 Roope Vehkalahti , Camilla Hollanti , Frédérique Oggier

Limited bandwidth resources and higher energy efficiency requirements motivate incorporating multicast and broadcast transmission into the next-generation cellular network architectures, particularly for multimedia streaming applications.…

Information Theory · Computer Science 2019-04-04 Junlin Zhao , Deniz Gündüz , Osvaldo Simeone , David Gómez-Barquero

This article introduces a 3D space-time-space block code for future terrestrial digital TV in single frequency networks. The proposed 3D code is based on a double layer structure designed for inter-cell and intra-cell space time coded…

Networking and Internet Architecture · Computer Science 2008-09-30 Youssef Nasser , Jean-François Hélard , Matthieu Crussière , Oudomsack Pasquero

The diversity-multiplexing tradeoff (DMT) provides a fundamental performance metric for different multiple-input multiple-output (MIMO) schemes in wireless communications. In this paper, we explore the block fading optical wireless…

Information Theory · Computer Science 2021-12-10 Sufang Yang , Longguang Li , Haoyue Tang , Jintao Wang

We consider a single-anchor multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) system with imperfectly synchronized transmitter (Tx) and receiver (Rx) clocks, where the Rx estimates its position based on…

This paper explores the role of multiple antennas in mitigating jamming attacks for the Rayleigh fading environment with exogenous random traffic arrival. The jammer is assumed to have energy harvesting ability where energy arrives…

Information Theory · Computer Science 2021-10-18 Sujatha Allipuram , Parthajit Mohapatra , Nikolaos Pappas , Shabnam Parmar , Saswat Chakrabarti

An analytical framework for performance analysis and optimization of coded V-BLAST is developed. Average power and/or rate allocations to minimize the outage probability as well as their robustness and dual problems are investigated.…

Information Theory · Computer Science 2016-11-17 Victoria Kostina , Sergey Loyka

In this paper, we present a unique word (UW)-based channel estimation approach for multiple-input multiple-output (MIMO) systems under doubly dispersive channels, which is applied to orthogonal time frequency space (OTFS) with space time…

Signal Processing · Electrical Eng. & Systems 2021-04-05 Roberto Bomfin , Marwa Chafii , Ahmad Nimr , Gerhard Fettweis

For next-generation green communication systems, this article proposes an innovative communication system based on frequency-diverse array-multiple-input multiple-output (FDA-MIMO) technology, which aims to achieve high data rates while…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Bang Huang , Jiajie Xu , Mohamed-Slim Alouini

Multiple Input Double Output (MIDO) asymmetric space-time codes for 4 transmit antennas and 2 receive antennas can be employed in the downlink from base stations to portable devices. Previous MIDO code constructions with low Maximum…

Information Theory · Computer Science 2015-03-19 Laura Luzzi , Frédérique Oggier

In this paper we consider the diversity-multiplexing gain tradeoff (DMT) of so-called minimum delay asymmetric space-time codes. Such codes are less than full dimensional lattices in their natural ambient space. Apart from the multiple…

Information Theory · Computer Science 2021-02-22 Roope Vehkalahti , Laura Luzzi

The combination of orthogonal frequency modulation (OFDM) and multiple-input multiple-output (MIMO) systems plays an important role in modern communication systems. In order to meet the growing throughput demands, future MIMO-OFDM receivers…

Information Theory · Computer Science 2019-12-17 Hanqing Wang , Nir Shlezinger , Yonina C. Eldar , Shi Jin , Mohammadreza F. Imani , Insang Yoo , David R. Smith

We propose orthogonal frequency division multiplexing (OFDM), as a spectrally efficient multiplexing technique, for quantum key distribution (QKD) at the core of trustednode quantum networks. Two main schemes are proposed and analyzed in…

Quantum Physics · Physics 2015-11-24 Sima Bahrani , Mohsen Razavi , Jawad A. Salehi

We consider a multiple-access channel where the users are powered from batteries having non-negligible internal resistance. When power is drawn from the battery, a variable fraction of the power, which is a function of the power drawn from…

Information Theory · Computer Science 2018-01-16 Rajshekhar Vishweshwar Bhat , Mehul Motani , Teng Joon Lim

Spectral efficiency is a key design issue for all wireless communication systems. Orthogonal frequency division multiplexing (OFDM) is a very well-known technique for efficient data transmission over many carriers overlapped in frequency.…

Networking and Internet Architecture · Computer Science 2013-03-28 R. G. Clegg , S. Isam , I. Kanaris , I. Darwazeh

In this paper, we introduce further our recently designed family of L2 orthogonal Space-Time codes for CPM. With their advantage of maintaining both the constant envelope properties of CPM, the diversity of Space-Time codes and moreover…

Information Theory · Computer Science 2009-02-18 Matthias Hesse , Jerome Lebrun , Luc Deneire

In this paper, we investigate and compare the performance of single- and multi-carrier modulation schemes for indoor visible light communication (VLC). Particularly, the performances of single carrier frequency domain equalization (SCFDE),…

Information Theory · Computer Science 2015-05-26 Mohammadreza Aminikashani , Mohsen Kavehrad

A novel transmission scheme is introduced for efficient data transmission by conveying additional information bits through jointly changing the index and number of active subcarriers within each orthogonal frequency division multiplexing…

Signal Processing · Electrical Eng. & Systems 2020-04-03 Ahmad M. Jaradat , Jehad M. Hamamreh , Huseyin Arslan

In this paper, a novel joint bit and power loading algorithm is proposed for orthogonal frequency division multiplexing (OFDM) systems operating in fading environments. The algorithm jointly maximizes the throughput and minimizes the…

Signal Processing · Electrical Eng. & Systems 2019-02-13 Ebrahim Bedeer , Octavia A. Dobre , Mohamed H. Ahmed , Kareem E. Baddour
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