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Related papers: Coverage Analysis of Hybrid RF/THz Networks With B…

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Terahertz (THz) communication offers a promising solution for high-throughput wireless systems. However, the severe path loss of THz signals raises concerns about its effectiveness compared to radio frequency (RF) communication. In this…

Networking and Internet Architecture · Computer Science 2025-08-12 Zhengying Lou , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

Recent studies investigate single-antenna radio frequency (RF) systems mixed with terahertz (THz) wireless communications. This paper considers a two-tier system of THz for backhaul and multiple-antenna assisted RF for the access network.…

Information Theory · Computer Science 2023-06-21 Pranay Bhardwaj , S. M. Zafaruddin

The hybrid relay selection (HRS) scheme, which adaptively chooses amplify-and-forward (AF) and decode-and-forward (DF) protocols, is very effective to achieve robust performance in wireless networks. This paper analyzes the frame error rate…

Information Theory · Computer Science 2012-11-13 Tianxi Liu , Lingyang Song , Yonghui Li , Qiang Huo , Bingli Jiao

The use of Terahertz (THz) frequency bands for data transmissions between the core network and an access point can be promising for next generation wireless systems. In this paper, we analyze the performance of a dual-hop relaying for…

Information Theory · Computer Science 2020-12-29 Pranay Bhardwaj , S. M. Zafaruddin

Energy harvesting (EH) combined with cooperative communications constitutes a promising solution for future wireless technologies. They enable additional efficiency and increased lifetime to wireless networks. This paper investigates a…

Networking and Internet Architecture · Computer Science 2018-04-11 Ahmad Alsharoa , Hakim Ghazzai , Ahmed E Kamal , Abdullah Kadri

We show that the performance of relay selection can be improved by employing relays with buffers. Under the idealized assumption that no buffer is full or empty, the best source-relay and the best relay-destination channels can be…

Information Theory · Computer Science 2011-03-21 Aissa Ikhlef , Diomidis S. Michalopoulos , Robert Schober

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future six generation (6G) wireless communication systems. However, very high propagation attenuations and molecular…

Signal Processing · Electrical Eng. & Systems 2020-09-22 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

In wireless communication networks, relays are required when the quality of the direct link between the source and the destination is not high enough to support reliable transmission because of long distances or obstacles. Selecting the…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Weihang Ding , Mohammad Shikh-Bahaei

Terahertz (THz) communication offers ultra-high data rates and has emerged as a promising technology for future wireless networks. However, the inherently high free-space path loss of THz waves significantly limits the coverage range of THz…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Ben Chen , Zhangdui Zhong , Ke Guan , Danping He , Yiran Wang , Jianwen Ding , Qi Luo

Harvesting energy from the radio-frequency (RF) signal is an exciting solution to replenish energy in energy-constrained wireless networks. In this paper, an amplify-and-forward (AF) based wireless relay network is considered, where the…

Information Theory · Computer Science 2014-08-12 Jing Yan , Chao Zhang , Zhenzhen Gao

We consider a half-duplex wireless relay network with hybrid-automatic retransmission request (HARQ) and Rayleigh fading channels. In this paper, we analyze the outage probability of the multi-relay delay-limited HARQ system with…

Information Theory · Computer Science 2012-02-14 Behrouz Maham , Aydin Behnad , Merouane Debbah

This paper focuses on quantifying the outage performance of terahertz (THz) relaying systems. In this direction, novel closed-form expressions for the outage probability of a dual-hop relaying system, in which both the source-relay and…

Signal Processing · Electrical Eng. & Systems 2020-07-15 Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

The emergence of THz (Terahertz) frequency wireless networks holds great potential for advancing various high-demand services, including Industrial Internet of Things (IIoT) applications. These use cases benefit significantly from the…

Networking and Internet Architecture · Computer Science 2025-02-11 Sara Cavallero , Andrea Pumilia , Giampaolo Cuozzo , Alessia Tarozzi , Chiara Buratti , Roberto Verdone

Terahertz (THz) frequency bands can be promising for data transmissions between the core network and access points (AP) for next-generation wireless systems. In this paper, we analyze the performance of a dual-hop THz-RF wireless system…

Information Theory · Computer Science 2021-07-27 Pranay Bhardwaj , S. M. Zafaruddin

Numerous studies claim that terahertz (THz) communication will be an essential piece of sixth-generation wireless communication systems. Its promising potential also comes with major challenges, in particular the reduced coverage due to…

Information Theory · Computer Science 2022-08-10 Hyesang Cho , Beomsoo Ko , Bruno Clerckx , Junil Choi

In this paper, we adopt the relay selection (RS) protocol proposed by Bletsas, Khisti, Reed and Lippman (2006) with Enhanced Dynamic Decode-and-Forward (EDDF) and network coding (NC) system in a two-hop two-way multi-relay network. All…

Information Theory · Computer Science 2016-02-26 Wei-Cheng Liu , Yu-Chen Liu

The proliferation of wireless devices in recent years has caused a spectrum shortage, which led the scientific community to explore the potential of using terahertz (THz) communications. However, THz systems suffer from severe path…

We consider a three-node decode-and-forward (DF) half-duplex relaying system, where the source first harvests RF energy from the relay, and then uses this energy to transmit information to the destination via the relay. We assume that the…

Information Theory · Computer Science 2016-01-19 Zoran Hadzi-Velkov , Nikola Zlatanov , Trung Q. Duong , Robert Schober

The hybrid half-duplex/full-duplex (HD/FD) relaying scheme is an effective paradigm to overcome the negative effects of the self-interference incurred by the full-duplex (FD) mode. However, traditional hybrid HD/FD scheme does not consider…

Information Theory · Computer Science 2018-02-23 Cheng Li , Bin Xia , Zhiyong Chen
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