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In this paper, we present a new receiver design, which significantly improves performance in the Internet of Things networks such as LoRa, i.e., having a chirp spread spectrum modulation. The proposed receiver is able to demodulate multiple…

Signal Processing · Electrical Eng. & Systems 2021-03-05 Angesom Ataklity Tesfay , Eric Pierre Simon , Guillaume Ferré , Laurent Clavier

In this paper, we consider the stochastic network with dynamic traffic. The spatial distribution of access points (APs) and users are first modeled as mutually independent Poisson point processes (PPPs). Different from most previous…

Networking and Internet Architecture · Computer Science 2016-12-13 Bin Xia , Yingbin Liu , Chenchen Yang , Zhiyong Chen , Weiliang Xie , Yong Zhao

Coded caching is an effective technique to reduce the redundant traffic in wireless networks. The existing coded caching schemes require the splitting of files into a possibly large number of subfiles, i.e., they perform coded subfile…

Information Theory · Computer Science 2019-02-06 Seyed Ali Saberali , Lutz Lampe , Ian Blake

A fine-grained analysis of the cache-enabled networks is crucial for system design. In this paper, we focus on the meta distribution of the signal-to-interference ratio (SIR) for the cache-enabled networks where the locations of the base…

Information Theory · Computer Science 2021-02-09 Le Yang , Fu-Chun Zheng , Yi Zhong , Shi Jin

This article introduces a novel family of decentralised caching policies, applicable to wireless networks with finite storage at the edge-nodes (stations). These policies, that are based on the Least-Recently-Used replacement principle, are…

Networking and Internet Architecture · Computer Science 2016-12-14 Anastasios Giovanidis , Apostolos Avranas

Consider a lossy packet network of queues, communicating over a wireless medium. This paper presents a throughput-optimal transmission strategy for a unicast network when feedback is available, which has the following advantages: It…

Information Theory · Computer Science 2008-04-29 Brian Smith , Babak Hassibi

Interference between nodes directly limits the capacity of mobile ad hoc networks. This paper focuses on spatial interference cancelation with perfect channel state information (CSI), and analyzes the corresponding network capacity.…

Information Theory · Computer Science 2016-11-17 Kaibin Huang , Jeffrey G. Andrews , Robert W. Heath, , Dongning Guo , Randall A. Berry

Coded caching has been shown to result in significant throughput gains, but its gains were proved only by assuming a placement phase with no transmission cost. A free placement phase is, however, an unrealistic assumption that could stand…

Information Theory · Computer Science 2019-12-17 Yousef AlHassoun , Faisal Alotaibi , Aly El Gamal , Hesham El Gamal

This paper studies the storage-latency tradeoff in the $3\times3$ wireless interference network with caches equipped at all transmitters and receivers. The tradeoff is characterized by the so-called fractional delivery time (FDT) at given…

Information Theory · Computer Science 2016-11-17 Fan Xu , Kangqi Liu , Meixia Tao

Content delivery networks often employ caching to reduce transmission rates from the central server to the end users. Recently, the technique of coded caching was introduced whereby coding in the caches and coded transmission signals from…

Information Theory · Computer Science 2016-02-16 Hooshang Ghasemi , Aditya Ramamoorthy

In this paper, we study the receiver performance with physical layer security in a Poisson field of interferers. We compare the performance in two deployment scenarios: (i) the receiver is located at the corner of a quadrant, (ii) the…

Information Theory · Computer Science 2020-09-01 Konstantinos Koufos , Carl P. Dettmann

Caching at the edge is a promising technique to cope with the increasing data demand in wireless networks. This paper analyzes the performance of cellular networks consisting of a tier macro-cell wireless backhaul nodes overlaid with a tier…

Information Theory · Computer Science 2017-05-25 Italo Atzeni , Marco Maso , Imène Ghamnia , Ejder Baştuğ , Mérouane Debbah

In this paper, we investigate the transmission delay of cache-aided broadcast networks with user cooperation. Novel coded caching schemes are proposed for both centralized and decentralized caching settings, by efficiently exploiting time…

Information Theory · Computer Science 2021-07-06 Jiahui Chen , Xiaowen You , Youlong Wu , Shuai Ma

Mobile networks are experiencing prodigious increase in data volume and user density , which exerts a great burden on mobile core networks and backhaul links. An efficient technique to lessen this problem is to use caching i.e. to bring the…

Networking and Internet Architecture · Computer Science 2023-06-21 Pavamana K J , Chandramani Kishore Singh

This paper considers peer-to-peer scheduling for a network with multiple wireless devices. A subset of the devices are mobile users that desire specific files. Each user may already have certain popular files in its cache. The remaining…

Networking and Internet Architecture · Computer Science 2012-02-22 Michael J. Neely

Successive Interference Cancellation (SIC) is a powerful technique for managing interference in wireless networks, yet its optimal deployment in decentralized environments remains a challenge. This study investigates joint power and rate…

Information Theory · Computer Science 2026-04-15 D. Garrido , M. M. Vasconcelos , B. Peleato

Many Information Centric Networking (ICN) proposals use a network of caches to bring the contents closer to the consumers, reduce the load on producers and decrease the unnecessary retransmission for ISPs. Nevertheless, the existing cache…

Networking and Internet Architecture · Computer Science 2013-10-15 Saeid Montazeri Shahtouri , Richard T. B. Ma

This work elevates coded caching networks from their purely information-theoretic framework to a stochastic setting, by exploring the effect of random user activity and by exploiting correlations in the activity patterns of different users.…

Information Theory · Computer Science 2022-01-26 Adeel Malik , Berksan Serbetci , Petros Elia

This paper introduces a general theoretical framework to analyze noise limited networks. More precisely, we consider two homogenous Poisson point processes of base stations and users. General model of radio signal propagation and effect of…

Probability · Mathematics 2010-12-13 Laurent Decreusefond , Philippe Martins , Thanh-Tung Vu

This paper examines the separation of wireless communication and radar signals, thereby guaranteeing cohabitation and acting as a panacea to spectrum sensing. First, considering that the channel impulse response was known by the receivers…

Information Theory · Computer Science 2023-02-15 Christantus O. Nnamani , Mathini Sellathurai