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This two-part paper studies a point-to-point resonant beam communication (RBCom) system, where two separately deployed retroreflectors are adopted to generate the resonant beam between the transmitter and the receiver, and analyzes the…

信息论 · 计算机科学 2024-03-26 Dongxu Li , Yuanming Tian , Chuan Huang , Qingwen Liu , Shengli Zhou

Motivated by the design of low-complexity low-power coding solutions for the Gaussian relay channel, this work presents an upper bound on the minimum energy-per-bit achievable on the Gaussian relay channel using rank-1 linear relaying. Our…

信息论 · 计算机科学 2024-01-30 Oliver Kosut , Michelle Effros , Michael Langberg

Interference is a major issue limiting the performance in wireless networks. Cooperation among receivers can help mitigate interference by forming distributed MIMO systems. The rate at which receivers cooperate, however, is limited in most…

信息论 · 计算机科学 2009-11-12 I-Hsiang Wang , David N. C. Tse

Emerging applications involving device-to-device communication among wearable electronics require Gbps throughput, which can be achieved by utilizing millimeter wave (mmWave) frequency bands. When many such communicating devices are indoors…

信息论 · 计算机科学 2016-11-17 Kiran Venugopal , Matthew C. Valenti , Robert W. Heath

We consider the discrete memoryless symmetric primitive relay channel, where, a source $X$ wants to send information to a destination $Y$ with the help of a relay $Z$ and the relay can communicate to the destination via an error-free…

信息论 · 计算机科学 2016-03-31 Xiugang Wu , Ayfer Ozgur , Liang-Liang Xie

Diffuse, multiple-scattered waves can be very efficient for information transfer through disordered media, provided that antenna arrays are used for both transmission and reception of signals. Information capacity C of a communication…

数据分析、统计与概率 · 物理学 2007-05-23 S. E. Skipetrov

Increasing data rate in wireless networks can be accomplished through a two-pronged approach, which are 1) increasing the network flow rate through parallel independent routes and 2) increasing the user's link rate through beamforming…

信号处理 · 电气工程与系统科学 2020-09-15 Ahmed S. Ibrahim

Consider several source nodes communicating across a wireless network to a destination node with the help of several layers of relay nodes. Recent work by Avestimehr et al. has approximated the capacity of this network up to an additive…

信息论 · 计算机科学 2013-06-05 Urs Niesen , Bobak Nazer , Phil Whiting

This paper investigates the benefits of cooperation and proposes a relay activation strategy for a large wireless network with multiple transmitters. In this framework, some nodes cooperate with a nearby node that acts as a relay, using the…

信息论 · 计算机科学 2016-11-17 Andrés Altieri , Leonardo Rey Vega , Pablo Piantanida , Cecilia Galarza

In a multi-input multi-output (MIMO) setup, where one side of the link comprises a linear antenna array, data can be transmitted over the direction of incident rays. Channel capacity for this setup is studied in this paper. We define two…

信息论 · 计算机科学 2022-11-04 Felix Ma Yun , Jordan Nabi , Mitra Hassani

In this paper, a cooperative transmission design for a general multi-node half-duplex wireless relay network is presented. It is assumed that the nodes operate in half-duplex mode and that channel information is available at the nodes. The…

信息论 · 计算机科学 2009-11-17 Debdeep Chatterjee , Tan F. Wong , Tat M. Lok

We consider a wireless network composed of three nodes and limited by the half-duplex and total power constraints. This formulation encompasses many of the special cases studied in the literature and allows for capturing the common features…

信息论 · 计算机科学 2007-07-13 Lifeng Lai , Ke Liu , Hesham El Gamal

Capacity bounds are studied for the multiple-antenna complex Gaussian relay channel with t1 transmitting antennas at the sender, r2 receiving and t2 transmitting antennas at the relay, and r3 receiving antennas at the receiver. It is shown…

信息论 · 计算机科学 2016-11-18 Xianglan Jin , Young-Han Kim

The L-user additive white Gaussian noise multiway relay channel is investigated, where L users exchange information at the same rate through a single relay. A new achievable rate region, based on the functional-decode-forward coding…

信息论 · 计算机科学 2012-09-10 Lawrence Ong , Christopher M. Kellett , Sarah J. Johnson

In this paper, the capacity of wireless channels is characterized based on electromagnetic and antenna theories with only minimal assumptions. We assume the transmitter can generate an arbitrary current distribution inside a spherical…

信息论 · 计算机科学 2016-11-17 Wonseok Jeon , Sae-Young Chung

In this paper, we investigate covert communication over millimeter-wave (mmWave) frequencies. In particular, a mmWave transmitter, referred to as Alice, attempts to reliably communicate to a receiver, referred to as Bob, while hiding the…

信息论 · 计算机科学 2021-10-26 Mohammad Vahid Jamali , Hessam Mahdavifar

We consider a communication system where two transmitters wish to exchange information through a half-duplex relay in the middle. The channels between the transmitters and the relay have asymmetric channel gains. More specifically, the…

信息论 · 计算机科学 2009-08-18 Makesh Pravin Wilson , Krishna Narayanan

Consider a lossy packet network of queues, communicating over a wireless medium. This paper presents a throughput-optimal transmission strategy for a unicast network when feedback is available, which has the following advantages: It…

信息论 · 计算机科学 2008-04-29 Brian Smith , Babak Hassibi

This paper considers a diamond network with $n$ interconnected relays, namely a network where a source communicates with a destination by hopping information through $n$ communicating/interconnected relays. Specifically, the main focus of…

信息论 · 计算机科学 2021-08-13 Sarthak Jain , Martina Cardone , Soheil Mohajer

In this work, we present a framework analysis of millimeter waves (mmWaves) vehicular communications systems. Communications between vehicles take place through a cooperative relay which acts as an intermediary base station (BS). The relay…

信息论 · 计算机科学 2020-10-26 Elyes Balti , Brian K. Johnson