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Recently, communication systems that are both spectrum and energy efficient have attracted significant attention. Different from the existing research, we investigate the throughput and energy efficiency of a general class of multiple-input…

Information Theory · Computer Science 2017-12-05 Marwan Hammouda , Sami Akın , M. Cenk Gursoy , Jürgen Peissig

This paper investigates generation of a secret key from a reciprocal wireless channel. In particular we consider wireless channels that exhibit sparse structure in the wideband regime and the impact of the sparsity on the secret key…

Cryptography and Security · Computer Science 2012-08-21 Tzu-Han Chou , Stark C. Draper , Akbar M. Sayeed

This study approaches the issues concerning the coexistence of the IEEE 802.11g wireless networks and the adhoc Bluetooth networks that operate within the same 2.4 GHz band. The performance of 802.11g is evaluated by simulating the PER…

Networking and Internet Architecture · Computer Science 2016-02-18 Salim Abukharis , Jafar A. Alzubi , Omar A. Alzubi , Saeed Alamri , Tim O'Farrell

As the mobile application landscape expands, wireless networks are tasked with supporting various connection profiles, including real-time communications and delay-sensitive traffic. Among many ensuing engineering challenges is the need to…

Information Theory · Computer Science 2012-02-13 Fatemeh Hamidi-Sepehr , Jean-Francois Chamberland , Henry Pfister

In practical mobile communication engineering applications, surfaces of antenna array deployment regions are usually uneven. Therefore, massive multi-input-multi-output (MIMO) communication systems usually transmit wireless signals by…

Information Theory · Computer Science 2016-04-19 Xiaohu Ge , Ran Zi , Haichao Wang , Jing Zhang , Minho Jo

This paper focuses on delivering quantified results for the evaluation of the aggregated impact of stochastic antenna misalignment, multipath fading and hardware imperfections on the terahertz (THz) wireless fiber extenders. In this line,…

Information Theory · Computer Science 2019-10-07 Evangelos N. Papasotiriou , Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

The success of Internet-of-Things (IoT) paradigm relies on, among other things, developing energy-efficient communication techniques that can enable information exchange among billions of battery-operated IoT devices. With its technological…

Information Theory · Computer Science 2018-04-26 J. Kartheek Devineni , Harpreet S. Dhillon

We consider the extra degree of freedom offered by the rotation of the reconfigurable intelligent surface (RIS) plane and investigate its potential in improving the performance of RIS-assisted wireless communication systems. By considering…

Information Theory · Computer Science 2022-02-14 Yajun Cheng , Wei Peng , Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Mérouane Debbah

This paper studies optimal bandwidth and power allocation in a cognitive radio network where multiple secondary users (SUs) share the licensed spectrum of a primary user (PU) under fading channels using the frequency division multiple…

Information Theory · Computer Science 2015-05-19 Xiaowen Gong , Sergiy A. Vorobyov , Chintha Tellambura

We identify the role of equal strength interference links as bottlenecks on the ergodic sum capacity of a $K$ user phase-fading interference network, i.e., an interference network where the fading process is restricted primarily to…

Information Theory · Computer Science 2016-11-17 Syed A. Jafar

The design of block codes for short information blocks (e.g., a thousand or less information bits) is an open research problem that is gaining relevance thanks to emerging applications in wireless communication networks. In this paper, we…

Information Theory · Computer Science 2019-03-12 Mustafa Cemil Coşkun , Giuseppe Durisi , Thomas Jerkovits , Gianluigi Liva , William Ryan , Brian Stein , Fabian Steiner

This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of signal distributions. This analysis allows system performance…

Information Theory · Computer Science 2016-11-15 Andrew M. Hunter , Jeffrey G. Andrews , Steven Weber

High-throughput optical communication systems utilize binary soft-decision forward error correction (SD-FEC) with bit interleaving over the bit channels. The generalized mutual information (GMI) is an achievable information rate (AIR) in…

Information Theory · Computer Science 2024-01-30 Tsuyoshi Yoshida , Magnus Karlsson , Erik Agrell

In this letter, we consider a communication scenario, where the transmitter adopts different power adaption methods according to the instantaneous channel state to enhance the ergodic capacity (EC) over Fisher-Snedecor F fading channels. We…

Signal Processing · Electrical Eng. & Systems 2019-02-08 Hui Zhao , Liang Yang , Ahmed S. Salem , Mohamed-Slim Alouini

The effective capacity (EC) has been recently established as a rigorous alternative to the classical Shannon's ergodic capacity since it accounts for the delay constraints imposed by future wireless applications and their impact on the…

Information Theory · Computer Science 2019-10-25 K. Denia Kanellopoulou , Kostas P. Peppas , P. Takis Mathiopoulos

The performances of the fifth generation (5G) wireless communication systems are significantly affected by edge cache and transport network. These emerging components bring substantial costs of the placement and utilization, and the…

Information Theory · Computer Science 2016-10-05 Zhipeng Yan , Mugen Peng , Chonggang Wang

Reconfigurable intelligent surfaces (RISs) have emerged as a prospective technology for next-generation wireless networks due to their potential in coverage and capacity enhancement. Previous works on achievable rate analysis of…

Information Theory · Computer Science 2022-11-04 Renwang Li , Shu Sun , Yuhang Chen , Chong Han , Meixia Tao

In multi-(core/mode) optical fiber communication, the transmission channel can be modeled as a complex sub-matrix of the Haar-distributed unitary matrix (complex Jacobi unitary ensemble). In this letter, we present new analytical…

Information Theory · Computer Science 2017-06-07 Amor Nafkha , Remi Bonnefoi

We consider a fading AWGN 2-user 2-hop network where the channel coefficients are independent and identically distributed (i.i.d.) drawn from a continuous distribution and vary over time. For a broad class of channel distributions, we…

Information Theory · Computer Science 2016-11-15 Sang-Woon Jeon , Chien-Yi Wang , Michael Gastpar

This work studies the capacity region of a two-user ergodic interference channel with fading, where only one of the users is subject to interference from the other user, and the channel state information (CSI) is only available at the…

Information Theory · Computer Science 2009-11-06 Yan Zhu , Dongning Guo