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We propose a novel distributed random access scheme for wireless networks based on slotted ALOHA, motivated by the analogies between successive interference cancellation and iterative belief-propagation decoding on erasure channels. The…

Information Theory · Computer Science 2016-11-15 Cedomir Stefanovic , Petar Popovski , Dejan Vukobratovic

To make better use of file diversity provided by random caching and improve the successful transmission probability (STP) of a file, we consider retransmissions with random discontinuous transmission (DTX) in a large-scale cache-enabled…

Information Theory · Computer Science 2018-02-13 Wanli Wen , Ying Cui , Fu-Chun Zheng , Shi Jin , Yanxiang Jiang

Terahertz wireless backhaul is expected to meet the high-speed backhaul requirements of future ultra-dense networks using millimeter-wave (mmWave) base stations (BSs). In order to achieve higher network capacity with limited resources and…

Information Theory · Computer Science 2023-08-22 Lei Wang , Bo Ai , Yong Niu , Haiyan Jiang , Shiwen Mao , Zhangdui Zhong , Ning Wang

Terahertz (THz) carrier frequencies (100 GHz to 10 THz) have been touted as a source for unprecedented wireless connectivity and high-precision sensing, courtesy of their wide bandwidth availability and small wavelengths, but noteworthy…

Signal Processing · Electrical Eng. & Systems 2024-07-03 Sidharth Thomas , Jaskirat Singh Virdi , Aydin Babakhani , Ian P. Roberts

Wireless communication at the terahertz (THz) frequency bands (0.1-10THz) is viewed as one of the cornerstones of tomorrow's 6G wireless systems. Owing to the large amount of available bandwidth, THz frequencies can potentially provide…

Information Theory · Computer Science 2021-09-28 Christina Chaccour , Mehdi Naderi Soorki , Walid Saad , Mehdi Bennis , Petar Popovski , Merouane Debbah

Wireless networks operating at terahertz (THz) frequencies have been proposed as a promising candidate to support the ever-increasing capacity demand, which cannot be satisfied with existing radio-frequency (RF) technology. On the other…

Signal Processing · Electrical Eng. & Systems 2021-07-16 Yu Mei , Jianping An , Jianjun Ma , Lothar Moeller , John F. Federici

Accurate characterization of Terahertz (THz) band path loss is critical for reliable high-frequency communication, especially in aerial networks where transceivers may operate at different altitudes. Existing THz-band path loss models for…

Signal Processing · Electrical Eng. & Systems 2026-04-01 Sina Jorjani , Caglar Tunc , Ozgur Gurbuz , Akhtar Saeed

Despite such challenges as high path loss and equipment cost, THz communication is becoming one of the potentially viable means through which ultra-high data rate can be achieved. To compensate for the high path loss, we present parameter…

Networking and Internet Architecture · Computer Science 2019-08-27 Rohit Singh , Douglas Sicker

Line-of-sight (LOS) wireless communication at terahertz (THz) frequency bands is envisioned to play a major role in defining next-generation wireless technologies. This work analyzes the performance of a potential LOS THz system…

Information Theory · Computer Science 2022-12-22 Rayyan Abdalla , A. Brinton Cooper

Terahertz (THz) communication (0.1-10 THz) is regarded as a promising technology, which provides rich available bandwidth and high data rate of terahertz bit per second (Tbps). However, THz signals suffer from high path loss, which…

Information Theory · Computer Science 2021-05-26 Sha Xie , Lingxiang Li , Zhi Chen , Shaoqian Li

We address a decentralized wireless communication network with a fixed number $u$ of frequency sub-bands to be shared among $N$ transmitter-receiver pairs. It is assumed that the number of users $N$ is a random variable with a given…

Information Theory · Computer Science 2009-12-01 Kamyar Moshksar , Alireza Bayesteh , Amir K. Khandani

Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second. However, some hardware imperfections, which are generally neglected in the…

Signal Processing · Electrical Eng. & Systems 2021-06-24 Tianqi Mao , Zhaocheng Wang

Photonics might play a key role in future wireless communication systems that operate at THz carrier frequencies. A prime example is the generation of THz data streams by mixing optical signals in high-speed photodetectors. Over the…

The high bandwidth demand of Internet applications has recently driven the need of increasing the residential download speed. A practical solution to the problem has been proposed aggregating the bandwidth of 802.11 Access Points (APs)…

Networking and Internet Architecture · Computer Science 2013-04-04 Domenico Giustiniano , Eduard Goma , Alberto Lopez Toledo , George Athanasiou

Terahertz (THz)-band communications are a key enabler for future-generation wireless communications systems that promise to integrate a wide range of data-demanding applications. Recent advances in photonic, electronic, and plasmonic…

Signal Processing · Electrical Eng. & Systems 2021-08-19 Hadi Sarieddeen , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

In this paper, the performance of a dual-hop relaying terahertz (THz) wireless communication system is investigated. In particular, the behaviors of the two THz hops are determined by three factors, which are the deterministic path loss,…

Information Theory · Computer Science 2021-07-29 Sai Li , Liang Yang

Technological advancements in the design of electronic and optical materials have opened up the possibility of utilizing the latest available Radio Frequency spectrum the Terahertz (THz) band. This band holds great promise for…

Systems and Control · Electrical Eng. & Systems 2025-08-01 Sofiane Latreche , Hocine Bellahsene , Abdelmalik Taleb-Ahmed

Terahertz (THz) frequencies are important for next generation wireless systems due to the advantages in terms of large available bandwidths. On the other hand, the limited range due to high attenuation in these frequencies can be overcome…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Hasan Nayir , Erhan Karakoca , Güneş Karabulut Kurt , Ali Görçin

In this work, we consider multi-hop and mesh hybrid teraHertz/free-space optics (THz/FSO)-based backhaul networks for high data-rate communications. The results are presented for the cases with both out-band integrated access and backhaul…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Praveen Kumar Singya , Behrooz Makki , Antonio D'Errico , Mohamed-Slim Alouini

TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. In this paper, wideband channel measurement campaigns at 140 GHz and 220 GHz are conducted in indoor scenarios…

Information Theory · Computer Science 2021-04-02 Jia He , Yi Chen , Yiqin Wang , Ziming Yu , Chong Han