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This paper presents the impact of frequency diversity on the optimum expected end-to-end distortion (EED) in an outage-free wideband multiple-input multiple-output (MIMO) system. We provide the closed-form expression of optimum asymptotic…

Information Theory · Computer Science 2010-01-18 Jinhui Chen , Dirk T. M. Slock

An adaptive randomized distributed space-time coding (DSTC) scheme and algorithms are proposed for two-hop cooperative MIMO networks. Linear minimum mean square error (MMSE) receivers and an amplify-and-forward (AF) cooperation strategy are…

Information Theory · Computer Science 2013-03-19 T. Peng , R. C. de Lamare , A. Schmeink

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

The technique of cooperative communications is finding its way in the next generations of many wireless communication applications. Due to the distributed nature of cooperative networks, acquiring fading channels information for coherent…

Information Theory · Computer Science 2014-08-18 M. R. Avendi

This letter proposes a parametric sparse multiple input multiple output (MIMO)-OFDM channel estimation scheme based on the finite rate of innovation (FRI) theory, whereby super-resolution estimates of path delays with arbitrary values can…

Information Theory · Computer Science 2015-07-21 Zhen Gao , Linglong Dai , Zhaohua Lu , Chau Yuen , Zhaocheng Wang

This paper proposes a spatially common sparsity based adaptive channel estimation and feedback scheme for frequency division duplex based massive multi-input multi-output (MIMO) systems, which adapts training overhead and pilot design to…

Information Theory · Computer Science 2023-10-20 Zhen Gao , Linglong Dai , Zhaocheng Wang , Sheng Chen

This paper presents a new joint radar and communication technique based on the classical stepped frequency radar waveform. The randomization in the waveform, which is achieved by using permutations of the sequence of frequency tones, is…

Information Theory · Computer Science 2021-10-26 Rajitha Senanayake , Peter Smith , Tian Han , Jamie Evans , William Moran , Robin Evans

This work investigates spatial-mode multiplexing (SMM) for practical free-space optical communication (FSO) systems using direct detection. Unlike several works in the literature where mutually incoherent channels are assumed, we consider…

Information Theory · Computer Science 2018-01-22 Shenjie Huang , Gilda Raoof Mehrpoor , Majid Safari

In this work, the feasibility of spectrum sharing between a multiple-input multiple-output (MIMO) radar system (RS) and a MIMO cellular system (CS), comprising of a full duplex (FD) base station (BS) serving multiple downlink and uplink…

Signal Processing · Electrical Eng. & Systems 2019-04-25 Sudip Biswas , Keshav Singh , Omid Taghizadeh , Tharmalingam Ratnarajah

In this paper, a cooperative protocol is investigated for a multi-hop network consisting of relays with buffers of finite size, which may operate in different communication modes. The protocol is based on the myopic decode-and-forward…

Information Theory · Computer Science 2022-02-23 Andreas Nicolaides , Constantinos Psomas , Ioannis Krikidis

The multiple access scheduling decides how the channel is shared among the nodes in the network. Typical scheduling algorithms aims at increasing the channel utilization and thereby throughput of the network. This paper describes several…

Information Theory · Computer Science 2025-09-30 Vijaya Yajnanarayana , Klas E. G. Magnusson , Rasmus Brandt , Satyam Dwivedi , Peter Händel

Orthogonal Frequency Division Multiplexing (OFDM) has recently been applied in wireless communication systems due to its high data rate transmission capability with high bandwidth efficiency and its robustness to multi-path delay. Fading is…

Information Theory · Computer Science 2013-01-01 Farhana Enam , Md. Arif Rabbani , Md. Ashraful Islam , Sohag Sarker

In this two-part paper, the DMT of cooperative multi-hop networks is examined. The focus is on single-source single-sink (ss-ss) multi-hop relay networks having slow-fading links and relays that potentially possess multiple antennas. The…

Information Theory · Computer Science 2008-08-05 K. Sreeram , S. Birenjith , P. Vijay Kumar

Network coding and cooperative communication have received considerable attention from the research community recently in order to mitigate the adverse effects of fading in wireless transmissions and at the same time to achieve high…

Information Theory · Computer Science 2010-04-20 Hakan Topakkaya , Zhengdao Wang

Radio Spectrum is most precious and scarce resource and must be utilized efficiently and effectively. Cognitive radio is the promising solutions for the optimum utilization of the scared natural resource. The spectrum owned by the primary…

Neural and Evolutionary Computing · Computer Science 2013-01-07 Dilip S Aldar

We investigate inter-satellite cooperative transmission in a multiple low-Earth orbit (LEO) satellite communication system to enhance spectral efficiency. Specifically, we design multiple-input multipleoutput (MIMO) precoding at LEO…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Sangwon Jo , Seok-Hwan Park

Pinching-antenna systems (PASS) have recently attracted considerable attention owing to their capability of flexibly reconfiguring large-scale wireless channels. Motivated by this potential, we investigate the issue of joint localization…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Min Liu , Yue Xiao , Shuaixin Yang , Gang Wu , Xianfu Lei , Wei Xiang

The performance analysis of free space optical communication (FSO) system using relays and spatial diversity at the source is studied in this paper. The effect of atmospheric turbulence and attenuation, caused by different weather…

Signal Processing · Electrical Eng. & Systems 2018-04-03 Pranav Kumar Jha , Nitin Kachare , K Kalyani , D. Sriram Kumar

This work addresses the cooperation facilitator (CF) model, in which network nodes coordinate through a rate limited communication device. For independent multiple-access channel (MAC) encoders, the CF model is known to show significant…

Information Theory · Computer Science 2022-02-07 Oliver Kosut , Michelle Effros , Michael Langberg

An adaptive joint power allocation (JPA) and linear receiver design algorithm using the minimum bit error rate (MBER) criterion for a cooperative Multiple-Input Multiple-Output (MIMO) network is proposed. The system employs multiple relays…

Information Theory · Computer Science 2013-03-21 Tong Peng , Rodrigo C. de Lamare , Anke Schmeink
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