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Related papers: Channel-Aware Random Access in the Presence of Cha…

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Non-orthogonal Multiple Access (NOMA) has become a salient technology for improving the spectral efficiency of the next generation 5G wireless communication networks. In this paper, the achievable average rate of an Opportunistic…

Signal Processing · Electrical Eng. & Systems 2018-01-16 Pranav Kumar Jha , S Sushmitha Shree , D. Sriram Kumar

In this paper we present a theoretical performance analysis of the maximum ratio combining (MRC) rule for channel-aware decision fusion over multiple-input multiple-output (MIMO) channels for (conditionally) dependent and independent local…

Information Theory · Computer Science 2013-11-07 D. Ciuonzo , G. Romano , P. Salvo Rossi

We consider the problem of reliable communication over multiple-access channels (MAC) where the channel is driven by an independent and identically distributed state process and the encoders and the decoder are provided with various degrees…

Information Theory · Computer Science 2012-01-20 Nevroz Şen , Fady Alajaji , Serdar Yüksel , Giacomo Como

In this paper, we investigate the performance of selection cooperation in the presence of imperfect channel estimation. In particular, we consider a cooperative scenario with multiple relays and amplify-and- forward protocol over frequency…

Information Theory · Computer Science 2011-01-04 Mehdi Seyfi , Sami , Muhaidat , Jie Liang

In this study, we investigate a context-aware status updating system consisting of multiple sensor-estimator pairs. A centralized monitor pulls status updates from multiple sensors that are monitoring several safety-critical situations…

Information Theory · Computer Science 2023-10-11 Tasmeen Zaman Ornee , Md Kamran Chowdhury Shisher , Clement Kam , Yin Sun

This paper focuses on achieving optimal multi-user channel access in distributed networks using a reconfigurable intelligent surface (RIS). The network includes wireless channels with direct links between users and RIS links connecting…

Information Theory · Computer Science 2023-09-25 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

The average achievable rate of an Opportunistic Non-Orthogonal Multiple Access (O-NOMA) based Cooperative Relaying System (CRS) with Channel State Information (CSI) known at the transmitter end is analyzed under Rician fading channels. For…

Information Theory · Computer Science 2017-11-09 Pranav Kumar Jha , S Sushmitha Shree , D. Sriram Kumar

Channel charting (CC) applies dimensionality reduction to channel state information (CSI) data at the infrastructure basestation side with the goal of extracting pseudo-position information for each user. The self-supervised nature of CC…

Information Theory · Computer Science 2023-12-08 Sueda Taner , Maxime Guillaud , Olav Tirkkonen , Christoph Studer

We consider a cooperative two-user multiaccess channel in which the transmission is controlled by a random state. Both encoders transmit a common message and, one of the encoders also transmits an individual message. We study the capacity…

Information Theory · Computer Science 2016-11-15 Abdellatif Zaidi , Shlomo Shamai

Through spatial multiplexing and diversity, multi-input multi-output (MIMO) cognitive radio (CR) networks can markedly increase transmission rates and reliability, while controlling the interference inflicted to peer nodes and primary users…

Information Theory · Computer Science 2013-02-07 Yu Zhang , Emiliano Dall'Anese , Georgios B. Giannakis

This work investigates a robust resource allocation framework for a downlink multi-user communication system integrating movable antennas (MAs) and reconfigurable intelligent surfaces (RISs) under the rate-splitting multiple access (RSMA)…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Muhammad Asif , Asim Ihsan , Zhongliang Wang , Manzoor Ahmed , Xingwang Li , Arumugam Nallanathan , Symeon Chatzinotas

Making judicious channel access and transmission scheduling decisions is essential for improving performance as well as energy and spectral efficiency in multichannel wireless systems. This problem has been a subject of extensive study in…

Machine Learning · Computer Science 2015-04-07 Yang Liu , Mingyan Liu

Effective capacity, which provides the maximum constant arrival rate that a given service process can support while satisfying statistical delay constraints, is analyzed in a multiuser scenario. In particular, the effective capacity region…

Information Theory · Computer Science 2010-09-17 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

In this paper, we give a unified performance analysis of interference alignment (IA) over MIMO interference channels. Rather than the asymptotic characterization, i.e. degree of freedom (DOF) at high signal-to-noise ratio (SNR), we focus on…

Information Theory · Computer Science 2016-11-17 Xiaoming Chen , Chau Yuen

We consider the problem of adaptive modulation for wideband DS-CDMA Rayleigh fading channels with imperfect channel state information (CSI). We assume a multidimensional signal subspace spanned by a collection of random spreading codes…

Information Theory · Computer Science 2007-07-13 Richard J. Barton

The two-user Multiple Access Channel (MAC) with cooperative encoders and Channel State Information (CSI) is considered where two different scenarios are investigated: A two-user MAC with common message (MACCM) and a two-user MAC with…

Information Theory · Computer Science 2013-02-17 Reza K. Farsani , Farokh Marvasti

The impact of imperfect channel state (CSI) information in an energy harvesting (EH) cooperative non-orthogonal multiple access (NOMA) network, consisting of a source, two users, and an EH relay is investigated in this paper. The relay is…

Information Theory · Computer Science 2018-10-02 Dinh-Thuan Do , Mojtaba Vaezi , Thanh-Luan Nguyen

This letter proposes a novel random medium access control (MAC) based on a transmission opportunity prediction, which can be measured in a form of a conditional success probability given transmitter-side interference. A transmission…

Networking and Internet Architecture · Computer Science 2019-12-16 Jinho Choi , Seung-Woo Ko , Koji Yamamoto , Seong-Lyun Kim

This paper has been withdrawn because of some paper issues. Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) can be controlled to be achieve optimality in terms of throughput or utility. These results…

Networking and Internet Architecture · Computer Science 2012-12-18 Se-Young Yun , Jinwoo Shin , Yung Yi

Multi-replicA decoding using corRelation baSed LocALisAtion (MARSALA) is a recent random access technique designed for satellite return links. It follows the multiple transmission and interference cancellation scheme of Contention…

Information Theory · Computer Science 2016-04-20 Karine Zidane , Jérome Lacan , Mathieu Gineste , Caroline Bes , Arnaud Deramecourt , Mathieu Dervin