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In this paper, two-hop communication between a source and a destination with the aid of an intermediate relay node is considered. Both the source and intermediate relay node are assumed to operate under statistical quality of service (QoS)…

Information Theory · Computer Science 2010-10-01 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

Energy efficiency and transmission delay are very important parameters for wireless multi-hop networks. Previous works that study energy efficiency and delay are based on the assumption of reliable links. However, the unreliability of the…

Networking and Internet Architecture · Computer Science 2008-07-30 Ruifeng Zhang , Jean-Marie Gorce , Katia Jaffrès-Runser

Millimeter wave (mmWave) and terahertz (THz) radio access technologies (RAT) are expected to become a critical part of the future cellular ecosystem providing an abundant amount of bandwidth in areas with high traffic demands. However,…

Networking and Internet Architecture · Computer Science 2021-11-19 Dmitri Moltchanov , Eduard Sopin , Vyacheslav Begishev , Andrey Samuylov , Yevgeni Koucheryavy , Konstantin Samouylov

Outage probabilities in wireless networks depend on various factors: the node distribution, the MAC scheme, and the models for path loss, fading and transmission success. In prior work on outage characterization for networks with randomly…

Information Theory · Computer Science 2010-10-08 Riccardo Giacomelli , Radha Krishna Ganti , Martin Haenggi

This paper presents the derivation for per-tier outage probability of a randomly deployed femtocell network over an existing macrocell network. The channel characteristics of macro user and femto user are addressed by considering different…

Information Theory · Computer Science 2016-06-01 Sumudu Samarakoon , Nandana Rajatheva , Mehdi Bennis , Matti Latva-aho

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

This work deals with the secrecy performance analysis of a dual-hop RF-FSO DF relaying network composed of a source, a relay, a destination, and an eavesdropper. We assume the eavesdropper is located close to the destination and overhears…

Information Theory · Computer Science 2021-09-14 N. A. Sarker , A. S. M. Badrudduza , S. M. R. Islam , S. H. Islam , M. K. Kundu , I. S. Ansari , K. -S. Kwak

Terahertz communications are envisioned as a key enabler for 6G networks. The abundant spectrum available in such ultra high frequencies has the potential to increase network capacity to huge data rates. However, they are extremely affected…

Networking and Internet Architecture · Computer Science 2025-01-14 Pablo Fondo-Ferreiro , Cristina López-Bravo , Francisco Javier González-Castaño , Felipe Gil-Castiñeira , David Candal-Ventureira

Wireless energy harvesting constitutes an effective way to prolong the lifetime of wireless networks. In this paper, an opportunistic decode-and-forward cooperative communication system is investigated, where the energy-constrained relays…

Information Theory · Computer Science 2018-01-23 Yanju Gu

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

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

Nano devices have great potential to play a vital role in future medical diagnostics and treatment technologies because of its non-invasive nature and ability to reach delicate body sites easily as compared to conventional devices. In this…

Emerging Technologies · Computer Science 2017-03-23 Qammer H. Abbasi , Ali Arshad Nasir , Ke Yang , Khalid Qaraqe , Akram Alomainy

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 analyzes the outage probability of orthogonal time frequency space (OTFS) modulation under a lossy communication scenario. First of all, we introduce the channel model and the vector form representation of OTFS this paper uses.…

Information Theory · Computer Science 2024-10-03 Xin Zhang , Wensheng Lin , Lixin Li , Fucheng Yang , Zhu Han , Tad Matsumoto

In this work, we explore the outage probability (OP) analysis of selective decode and forward (SDF) cooperation protocol employing multiple-input multipleoutput (MIMO) orthogonal space-time block-code (OSTBC) over time varying Rayleigh…

Networking and Internet Architecture · Computer Science 2018-11-27 Ravi Shankar , Ritesh Kumar Mishra

This paper investigates the end-to-end throughput maximization problem for a two-hop multiple-relay network, with relays powered by simultaneous wireless information and power transfer (SWIPT) technique. Nonlinearity of energy harvester at…

Information Theory · Computer Science 2019-04-25 Qi Gu , Gongpu Wang , Rongfei Fan , Ning Zhang , Zhangdui Zhong

In this paper, we investigate an opportunistic relaying scheme where the selected relay assists the source-destination (direct) communication. In our study, we consider a regenerative opportunistic relaying scheme in which the direct path…

Performance · Computer Science 2011-01-28 Kamel Tourki , Hong-Chuan Yang , Mohamed-Slim Alouni

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

Terahertz (THz) communications are regarded as a pillar technology for the sixth generation (6G) wireless systems, by offering multi-ten-GHz bandwidth. To overcome the short transmission distance and huge propagation loss, ultra-massive…

Information Theory · Computer Science 2021-10-06 Chong Han , Longfei Yan , Jinhong Yuan

We consider a dual-hop wireless network where an energy constrained relay node first harvests energy through the received radio-frequency signal from the source, and then uses the harvested energy to forward the source's information to the…

Information Theory · Computer Science 2017-02-03 Onel L. Alcaraz López , Hirley Alves , Richard Demo Souza , Evelio Martín García Fernández
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