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A clustered base transceiver station (BTS) coordination strategy is proposed for a large cellular MIMO network, which includes full intra-cluster coordination to enhance the sum rate and limited inter-cluster coordination to reduce…

Information Theory · Computer Science 2008-08-29 Jun Zhang , Runhua Chen , Jeffrey G. Andrews , Arunabha Ghosh , Robert W. Heath

Low throughput has been the biggest obstacle of large-scale blockchain applications. During the past few years, researchers have proposed various schemes to improve the systems' throughput. However, due to the inherent inefficiency and…

Networking and Internet Architecture · Computer Science 2021-02-05 Ying-Hao Zhang , Xiao Fan Liu

This paper analyzes the impact and benefits of infrastructure support in improving the throughput scaling in networks of $n$ randomly located wireless nodes. The infrastructure uses multi-antenna base stations (BSs), in which the number of…

Information Theory · Computer Science 2016-11-18 Won-Yong Shin , Sang-Woon Jeon , Natasha Devroye , Mai H. Vu , Sae-Young Chung , Yong H. Lee , Vahid Tarokh

Caching at base stations (BSs) is a promising way to offload traffic and eliminate backhaul bottleneck in heterogeneous networks (HetNets). In this paper, we investigate the optimal content placement maximizing the successful offloading…

Information Theory · Computer Science 2016-04-13 Dong Liu , Chenyang Yang

This study considers a wireless network where an access point (AP) broadcasts timely updates to numerous mobile users. The timeliness of information owned by a user is characterized by the age of information. Frequently broadcasting the…

Networking and Internet Architecture · Computer Science 2021-02-22 Yu-Pin Hsu

In this paper, we address the problem of broadcasting in a wireless network under a novel communication model: the {\em swamping} communication model. In this model, nodes communicate only with those nodes at geometric distance greater than…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-06-10 Evangelos Kranakis , Michel Paquette

The beamforming techniques have been recently studied as possible enablers for underlay spectrum sharing. The existing beamforming techniques have several common limitations: they are usually system model specific, cannot operate with…

Information Theory · Computer Science 2015-04-27 Daniel Denkovski , Valentin Rakovic , Vladimir Atanasovski , Liljana Gavrilovska , Petri Mähönen

In recent years, video-related services such as YouTube and Netflix have generated huge amounts of traffic and the network neutrality debate has emerged as a major issue. In this paper, we consider feasibility of using a hybrid of unicast…

Networking and Internet Architecture · Computer Science 2013-04-17 Seung Min Yu , Seong-Lyun Kim

This paper studies the power allocation of an ultra-dense cellular network consisting of multiple full-duplex (FD) base stations (BSs) serving a large number of half-duplex (HD) user equipments (UEs) located in a wide geographical area.…

Networking and Internet Architecture · Computer Science 2019-03-08 Xiaohu Ge , Haoming Jia , Yi Zhong , Yong Xiao , Yonghui Li , Branka Vucetic

The performance of a cellular network can be significantly improved by employing many base stations (BSs), which shortens transmission distances. However, there exist no known results on quantifying the performance gains from deploying many…

Networking and Internet Architecture · Computer Science 2012-04-09 Seunghyun Lee , Kaibin Huang

We study the problem of broadcasting multiple messages in the CONGEST model. In this problem, a dedicated source node $s$ possesses a set $M$ of messages with every message of size $O(\log n)$ where $n$ is the total number of nodes. The…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-15 Anton Paramonov , Roger Wattenhofer

A crucial challenge in decentralized systems is state estimation in the presence of unknown inputs, particularly within heterogeneous sensor networks with dynamic topologies. While numerous consensus algorithms have been introduced, they…

Systems and Control · Electrical Eng. & Systems 2024-12-13 Zida Wu , Ankur Mehta

In this paper, we consider device-to-device (D2D) communication underlaying uplink cellular networks with multiple base stations (BSs), where each user can switch between traditional cellular mode (through BS) and D2D mode (by connecting…

Information Theory · Computer Science 2016-02-23 Yuan Liu

Base station switching (BSS) can results in significant reduction in energy consumption of cellular networks during low traffic conditions. We show that the coverage loss due to BSS can be compensated via coordinated multi-point (CoMP)…

Networking and Internet Architecture · Computer Science 2018-03-29 Yoghitha Ramamoorthi , Abhinav Kumar

In wireless distributed storage systems, storage nodes are connected by wireless channels, which are broadcast in nature. This paper exploits this unique feature to design an efficient repair mechanism, called broadcast repair, for wireless…

Information Theory · Computer Science 2017-07-10 Ping Hu , Chi Wan Sung , Terence H. Chan

In this paper, a downlink communication system, in which a Base Station (BS) equipped with $M$ antennas communicates with $N$ users each equipped with $K$ receive antennas, is considered. An efficient suboptimum algorithm is proposed for…

Information Theory · Computer Science 2007-07-13 Alireza Bayesteh , Amir Keyvan Khandani

The explosive growth of content-on-the-move, such as video streaming to mobile devices, has propelled research on multimedia broadcast and multicast schemes. Multi-rate transmission strategies have been proposed as a means of delivering…

Information Theory · Computer Science 2016-11-15 Andrea Tassi , Ioannis Chatzigeorgiou , Dejan Vukobratović

We consider the problem of minimizing the number of broadcasts for collecting all sensor measurements at a sink node in a noisy broadcast sensor network. Focusing first on arbitrary network topologies, we provide (i) fundamental limits on…

Information Theory · Computer Science 2017-02-01 Yaoqing Yang , Soummya Kar , Pulkit Grover

Many distributed protocols and applications rely on causal broadcast to ensure consistency criteria. However, none of causality tracking state-of-the-art approaches scale in large and dynamic systems. This paper presents a new non-blocking…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-15 Brice Nédelec , Pascal Molli , Achour Mostéfaoui

In-body subnetworks (IBS) are envisioned to support reliable wireless connectivity for emerging applications including extended reality (XR) in the human body. As the deployment of in-body sub-networks is uncontrollable by nature, the…

Information Theory · Computer Science 2024-03-19 Saeed Bagherinejad , Thomas Jacobsen , Nuno K. Pratas , Ramoni O. Adeogun