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Related papers: How Reliable and Capable is Multi-Connectivity?

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We consider a multiple-input, multiple-output (MIMO) wideband Rayleigh block fading channel where the channel state is unknown to both the transmitter and the receiver and there is only an average power constraint on the input. We compute…

Information Theory · Computer Science 2007-07-13 Siddharth Ray , Muriel Medard , Lizhong Zheng

Multiple-Input-Multiple-Output (MIMO) communication systems have seen wide application due to its performance benefits such as multiplexing gain. For MIMO systems with non-ergodic Gaussian channel, a conjecture regarding its outage…

Information Theory · Computer Science 2017-12-12 Gen Li , Jingkai Yan , Yuantao Gu

In this paper, we consider an intensity modulated direct detection MIMO optical wireless communication (OWC) system. For such a system, a novel super-rectangular cover theory is developed to characterize both the unique identifiability and…

Information Theory · Computer Science 2016-07-15 Yan-Yu Zhang , Hong-Yi Yu , Jian-Kang Zhang , Jin-Long Wang

Multi-radio multi-channel (MR-MC) networks contribute significant enhancement in the network throughput by exploiting multiple radio interfaces and non-overlapping channels. While throughput optimization is one of the main targets in…

Networking and Internet Architecture · Computer Science 2014-10-09 Lu Liu , Xianghui Cao , Yu Cheng , Li Wang

Massive multiple-input multiple-output (mMIMO) antenna systems and inter-band carrier aggregation (CA)-enabled multi-band communication are two key technologies to achieve very high data rates in beyond fifth generation (B5G) wireless…

Networking and Internet Architecture · Computer Science 2024-07-31 Nuwan Balasuriya , Amine Mezghani , Ekram Hossain

Mutual Coupling (MC) is an unavoidable feature in Reconfigurable Intelligent Surfaces (RISs) with sub-wavelength inter-element spacing. Its inherent presence naturally leads to non-local RIS structures, which can be efficiently described…

Information Theory · Computer Science 2024-04-09 Dilki Wijekoon , Amine Mezghani , George C. Alexandropoulos , Ekram Hossain

We introduce a revised derivation of the bitwise Markov Chain Monte Carlo (MCMC) multiple-input multiple-output (MIMO) detector. The new approach resolves the previously reported high SNR stalling problem of MCMC without the need for…

Information Theory · Computer Science 2017-07-13 Jonathan C. Hedstrom , Chung Him , Yuen , Rong-Rong Chen , Behrouz Farhang-Boroujeny

One of the ways to satisfy the requirements of ultra-reliable low latency communication for mission critical Machine-type Communications (MTC) applications is to integrate multiple communication interfaces. In order to estimate the…

Information Theory · Computer Science 2016-05-10 Jimmy J. Nielsen , Petar Popovski

The diversity of fifth generation (5G) network use cases, multiple access technologies, and network deployments requires measures of network robustness that complement throughput-centric error rates. In this paper, we investigate robustness…

Networking and Internet Architecture · Computer Science 2021-10-12 Benjamin Pimentel , Alex Bordetsky , Ralucca Gera

With the increasing of connected vehicles in the fifth-generation mobile communication networks (5G) and beyond 5G (B5G), ensuring the reliable and high-speed cellular vehicle-to-everything (C-V2X) communication has posed significant…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Luofang Jiao , Tianqi Zhang , Jiwei Zhao , Yunting Xu , Haibo Zhou

Massive MIMO is seen as a main enabler for low latency communications, thanks to its high spatial degrees of freedom. The channel hardening and favorable propagation properties of Massive MIMO are particularly important for multiplexing…

Information Theory · Computer Science 2020-07-10 Alexandru-Sabin Bana , Luca Sanguinetti , Elisabeth De Carvalho , Petar Popovski

Movable antenna (MA) systems have emerged as a promising technology for future wireless communication systems. The movement of antennas gives rise to mutual coupling (MC) effects, which have been previously ignored and can be exploited to…

Information Theory · Computer Science 2026-03-16 Tianyi Liao , Wei Guo , Jun Qian , Shenghui Song , Jun Zhang , Khaled B. Letaief

The fifth generation (5G) mobile telecommunication network is expected to support Multi- Access Edge Computing (MEC), which intends to distribute computation tasks and services from the central cloud to the edge clouds. Towards…

Networking and Internet Architecture · Computer Science 2019-07-03 Bin Han , Stan Wong , Christian Mannweiler , Marcos Rate Crippa , Hans D. Schotten

Resilience is emerging as a key requirement for next-generation wireless communication systems, requiring the ability to assess and control rare, path-dependent failure events arising from sequential degradation and delayed recovery. In…

Systems and Control · Electrical Eng. & Systems 2026-04-02 Onel Luis Alcaraz López

This paper introduces a new channel selection strategy for reliable contentionaware data dissemination in multi-hop cognitive radio network. The key challenge here is to select channels providing a good tradeoff between connectivity and…

Networking and Internet Architecture · Computer Science 2010-07-02 Mubashir Husain Rehmani , Aline Carneiro Viana , Hicham Khalife , Serge Fdida

The paper investigates the improvement of using maximum ratio combining (MRC) in cooperative vehicular communications (VCs) transmission schemes considering non-orthogonal multiple access scheme (NOMA) at intersections. The transmission…

Information Theory · Computer Science 2019-11-27 Baha Eddine Youcef Belmekki , Abdelkrim Hamza , Benoît Escrig

Coming cellular systems are envisioned to open up to new services with stringent reliability and energy efficiency requirements. In this paper we focus on the joint power control and rate allocation problem in Single-Input Multiple-Output…

Networking and Internet Architecture · Computer Science 2019-05-15 Onel L. Alcaraz López , Hirley Alves , Matti Latva-aho

Cognitive radio has been widely considered as one of the prominent solutions to tackle the spectrum scarcity. While the majority of existing research has focused on single-band cognitive radio, multiband cognitive radio represents great…

Information Theory · Computer Science 2014-09-23 Ghaith Hattab , Mohammed Ibnkahla

Cognitive radio (CR) is a promising technology to improve spectrum utilization. However, spectrum availability is uncertain which mainly depends on primary user's (PU's) behaviors. This makes it more difficult for most existing CR routing…

Networking and Internet Architecture · Computer Science 2016-11-17 Xiaoxiong Zhong , Yang Qin , Yuanyuan Yang , Li Li

Multiple-Input Multiple-Output (MIMO) based Medium Access Control (MAC) protocols have received a good deal of attention as researchers look to enhance overall performance of Ad Hoc networks by leveraging multi antenna enabled nodes. To…

Networking and Internet Architecture · Computer Science 2010-04-27 Pengkai Zhao Babak Daneshrad