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In this paper we consider a simple cooperative network consisting of a source, a destination and a cluster of decode-and-forward half-duplex relays. At each time-slot, the source and (possibly) one of the relays transmit a packet to another…

We consider a two-hop wireless network where a transmitter communicates with a receiver via $M$ relays with an amplify-and-forward (AF) protocol. Recent works have shown that sophisticated linear processing such as beamforming and…

Information Theory · Computer Science 2008-03-20 Mari Kobayashi , Xavier Mestre

In this paper we introduce a novel modulation and multiplexing method which facilitates highly efficient and simultaneous communication between multiple terminals in wireless ad-hoc networks. We term this method Combinatorial Channel…

Information Theory · Computer Science 2016-11-15 Robert Piechocki , Dino Sejdinovic

In this paper, an energy-efficient cross-layer design framework is proposed for cooperative relaying networks, which takes into account the influence of spectrum utilization probability. Specifically, random arrival traffic is considered…

Signal Processing · Electrical Eng. & Systems 2020-02-28 Kunlun Wang , Qingqing Wu , Wen Chen , Yang Yang , Derrick Wing Kwan Ng

Selection combining (SC) at the destination for differential amplify-and-forward (AF) relaying is attractive as it does not require channel state information as compared to the semi maximum-ratio-combining (semi-MRC) while delivering close…

Information Theory · Computer Science 2014-04-01 M. R. Avendi , Ha H. Nguyen

Semantic communication (SC) is emerging as a pivotal innovation within the 6G framework, aimed at enabling more intelligent transmission. This development has led to numerous studies focused on designing advanced systems through powerful…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Guangyi Zhang , Kequan Zhou , Yunlong Cai , Qiyu Hu , Guanding Yu

Cooperative spectrum sensing has been shown to yield a significant performance improvement in cognitive radio networks. In this paper, we consider distributed cooperative sensing (DCS) in which secondary users (SUs) exchange data with one…

Networking and Internet Architecture · Computer Science 2014-08-15 Tianyu Wang , Lingyang Song , Zhu Han , Walid Saad

In this work, we study integrated sensing and communication (ISAC) networks intending to effectively balance sensing and communication (S&C) performance at the network level. Through the simultaneous utilization of multi-point (CoMP)…

Information Theory · Computer Science 2024-06-12 Kaitao Meng , Christos Masouros

Unitary space-time modulation is known to be an efficient means to communicate over non-coherent Multiple Input Multiple Output (MIMO) channels. In this letter, differential unitary space-time coding and non-coherent space-time coding for…

Information Theory · Computer Science 2007-07-17 G. Susinder Rajan , B. Sundar Rajan

In this work, we propose a cross-layer design strategy based on a joint successive interference cancellation (SIC) detection technique and a multi-relay selection algorithm for the uplink of cooperative direct-sequence code-division…

Information Theory · Computer Science 2014-10-03 J. Gu , R. C. de Lamare

In the upcoming 6G networks, integrated sensing and communications (ISAC) will be able to provide a performance boost in both perception and wireless connectivity. This paper considers a multiple base station (BS) architecture to support…

Information Theory · Computer Science 2025-10-02 Jiajia Liao , Luping Xiang , Shida Zhong , Lixia Xiao , Haochen Liu , Kun Yang

This paper investigates a source coding problem in which two terminals communicating through a relay wish to estimate one another's source within some distortion constraint. The relay has access to side information that is correlated with…

Information Theory · Computer Science 2013-10-10 Farideh Ebrahim Rezagah , Elza Erkip

Concentration shift keying (CSK) is a widely studied modulation technique for molecular communication-based nanonetworks, which is a key enabler for the Internet of Bio-NanoThings (IoBNT). Existing CSK methods, while offering optimal error…

Information Theory · Computer Science 2024-02-01 Ethungshan Shitiri , Ho-Shin Cho

Cooperative Rate-Splitting (CRS) strategy, relying on linearly precoded rate-splitting at the transmitter and opportunistic transmission of the common message by the relaying user, has recently been shown to outperform typical…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Yijie Mao , Bruno Clerckx , Jian Zhang , Victor O. K. Li , Mohammed Arafah

Symbiotic Backscatter Communication (SBC) has emerged as a spectrum-efficient and low-power communication technology, where backscatter devices (BDs) modulate and reflect incident radio frequency (RF) signals from primary transmitters…

Information Theory · Computer Science 2026-01-29 Yinghui Ye , Shuang Lu , Liqin Shi , Xiaoli Chu , Sumei Sun

In this paper, a cyclic-prefixed single-carrier (CPSC) transmission scheme with phase shift keying (PSK) signaling is presented for broadband wireless communications systems empowered by a reconfigurable intelligent surface (RIS). In the…

Information Theory · Computer Science 2022-06-28 Qiang Li , Miaowen Wen , Ertugrul Basar , George C. Alexandropoulos , Kyeong Jin Kim , H. Vincent Poor

In this work, we study the performance of a single relay Multiple Input Multiple Output (MIMO) cooperative communication system based on Decode and Forward (DF) relaying protocol for two strategies using transmit antenna selection at the…

Signal Processing · Electrical Eng. & Systems 2017-11-13 Mokhtar Bouteggui , Fatiha Merazka

This paper considers the problem of minimum cost communication of correlated sources over a network with multiple sinks, which consists of distributed source coding followed by routing. We introduce a new routing paradigm called dispersive…

Information Theory · Computer Science 2012-09-21 Kumar Viswanatha , Emrah Akyol , Kenneth Rose

The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible option for the next-generation wireless networks. In…

Information Theory · Computer Science 2025-07-15 Mi Qian , Fei Ji , Yao Ge , Miaowen Wen , Yong Liang Guan

This work presents novel achievable schemes for the 2-user symmetric linear deterministic interference channel with limited-rate transmitter cooperation and perfect secrecy constraints at the receivers. The proposed achievable scheme…

Information Theory · Computer Science 2013-04-04 Parthajit Mohapatra , Chandra R. Murthy