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A multi-hop relaying system is analyzed where data sent by a multi-antenna source is relayed by successive multi-antenna relays until it reaches a multi-antenna destination. Assuming correlated fading at each hop, each relay receives a…

Information Theory · Computer Science 2016-11-18 Nadia Fawaz , Keyvan Zarifi , Merouane Debbah , David Gesbert

In this paper we discuss a closed-form approximation of the likelihood functions of an arbitrary diffusion process. The approximation is based on an exponential ansatz of the transition probability for a finite time step $\Delta t$, and a…

Physics and Society · Physics 2008-12-10 Luca Capriotti

In this paper, we analyze the symbol error rate (SER) performance of the simultaneous wireless information and power transfer (SWIPT) enabled three-node differential decode-and-forward (DDF) relay networks, which adopt the power splitting…

Information Theory · Computer Science 2020-05-08 Yuxin Lu , Wai Ho Mow

This paper considers simultaneous wireless information and power transfer (SWIPT) in a multiple-input single-output (MISO) downlink system consisting of one multi-antenna transmitter, one single-antenna information receiver (IR), multiple…

Information Theory · Computer Science 2016-11-18 Muhammad R. A. Khandaker , Kai-Kit Wong , Yangyang Zhang , Zhongbin Zheng

Differential encoding and decoding can be employed to circumvent channel estimation in wireless relay networks. This article studies differential amplify-and-forward relaying using linear combining with arbitrary fixed combining weights in…

Information Theory · Computer Science 2016-11-18 M. R. Avendi , Ha H. Nguyen , Dac-Binh Ha

In this paper, we study THz simultaneous wireless information and power transfer (SWIPT) systems. Since coherent information detection is challenging at THz frequencies and Schottky diodes may not be efficient for THz energy harvesting (EH)…

Information Theory · Computer Science 2024-07-26 Nikita Shanin , Simone Clochiatti , Kenneth M. Mayer , Laura Cottatellucci , Nils Weimann , Robert Schober

In this paper, a novel gamma-shadowed two-ray with diffuse power (GS-TWDP) composite fading model is proposed. The model is intended for modeling propagation in the emerging wireless networks working at millimeter wave (mmWave) frequencies,…

Signal Processing · Electrical Eng. & Systems 2022-03-07 Pamela Njemcevic , Almir Maric

In this work, we analyze the secrecy outage performance of a dual-hop relay system composed of multiple-input-multiple-output radio-frequency (RF) links and a free-space optical (FSO) link while a multiple-antenna eavesdropper wiretaps the…

Information Theory · Computer Science 2020-03-31 Hongjiang Lei , Haolun Luo , Ki-Hong Park , Imran Shafique Ansari , Weijia Lei , Gaofeng Pan , Mohamed-Slim Alouini

This paper investigates the simultaneous wireless information and power transfer (SWIPT) for two-hop orthogonal frequency division multiplexing (OFDM) decode-and-forward (DF) relay communication system, where a relay harvests energy from…

Information Theory · Computer Science 2014-07-10 Xiaofei Di , Ke Xiong , Zhengding Qiu

This paper investigates the average symbol error rate (ASER) performance of a dual-hop hybrid relaying system relying on both radio frequency (RF) and free space optical (FSO) links. Specifically, the RF link is used for supporting mobile…

Information Theory · Computer Science 2015-08-26 Lei Kong , Wei Xu , Lajos Hanzo , Hua Zhang , Chunming Zhao

The statistical analysis of the fading End to End channel gain of the amplify and forward relaying protocol, however, is well known as extremely complex, and research work to date have only studied the asymptotic behaviour of the outage…

Information Theory · Computer Science 2016-04-22 Quoc Tuan Nguyen , D. T. Nguyen , Cong Lam Sinh

This paper focuses on providing an analytical framework for the quantification and evaluation of the pointing error at high-frequency millimeter wave (mmWave) and terahertz (THz) communication links. For this aim, we first characterize the…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Mohammad Taghi Dabiri , Mazen Hasna

This paper investigates a multiuser multiple-input single-output (MISO) full-duplex (FD) system for simultaneous wireless information and power transfer (SWIPT), in which a multi-antenna base station (BS) simultaneously sends wirelessly…

Information Theory · Computer Science 2017-03-17 Alexander A. Okandeji , Muhammad R. A. Khandaker , Kai-Kit Wong , Gan Zheng , Yangyang Zhang , Zhongbin Zheng

This paper investigates simultaneous wireless information and power transfer (SWIPT) for multiuser multiple-input-single-output (MISO) secrecy channel. First, transmit beamfoming without artificial noise (AN) design is considered, where two…

Information Theory · Computer Science 2015-03-24 Zheng Chu , Martin Johnston , Stephane Le Goff

For enhancing transmission performance, privacy level and energy manipulating efficiency of wireless networks, this paper initiates a novel simultaneous wireless information and power transfer (SWIPT) full-duplex (FD) relaying protocol,…

Signal Processing · Electrical Eng. & Systems 2020-02-10 Yuanjian Li , Rui Zhao , Zhiqiao Nie , A. Hamid Aghvami

The statistical characterization of the sum of random variables (RVs) are useful for investigating the performance of wireless communication systems. We derive exact closed-form expressions for the probability density function (PDF) and…

Information Theory · Computer Science 2019-10-24 Hongyang Du , Jiayi Zhang , Julian Cheng , Bo Ai

We study the outage probability of opportunistic relay selection in decode-and-forward relaying with secrecy constraints. We derive the closed-form expression for the outage probability. Based on the analytical result, the asymptotic…

Information Theory · Computer Science 2011-11-16 Xiaojun Sun , Chunming Zhao

In energy harvesting (EH) relay networks, the coherent communication requires accurate estima- tion/tracking of the instantaneous channel state information (CSI) which consumes extra power. As a remedy, we propose two noncoherent EH…

Information Theory · Computer Science 2015-06-15 Peng Liu , Saeed Gazor , Il-Min Kim , Dong In Kim

Terahertz (THz) communication is one of the most promising candidates to accommodate high-speed mobile data services. This paper proposes a secure hybrid automatic repeat request with incremental redundancy (HARQ-IR) aided THz communication…

Information Theory · Computer Science 2023-08-01 Yongkang Li , Ziyang Song , Zheng Shi , Qingping Dou , Hongjiang Lei , Jinming Wen , Junbin Fang

We consider the optimization of a two-hop relay network based on an amplify-and-forward Multiple-Input Multiple-Output (MIMO) relay. The relay is assumed to derive the output signal by a Relay Transform Matrix (RTM) applied to the input…

Information Theory · Computer Science 2021-10-04 Giorgio Taricco
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