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This paper provides a unified framework to study the performance of successive interference cancellation (SIC) in wireless networks with arbitrary fading distribution and power-law path loss. An analytical characterization of the…

信息论 · 计算机科学 2014-02-10 Xinchen Zhang , Martin Haenggi

An emerging trend of next generation communication systems is to provide network edges with additional capabilities such as additional storage resources in the form of caches to reduce file delivery latency. To investigate this aspect, we…

信息论 · 计算机科学 2017-11-08 Jaber Kakar , Alaa Alameer , Anas Chaaban , Aydin Sezgin , Arogyaswami Paulraj

In this paper, a comprehensive study of the the downlink performance in a heterogeneous cellular network (or hetnet) is conducted. A general hetnet model is considered consisting of an arbitrary number of open-access and closed-access tier…

信息论 · 计算机科学 2014-04-01 Prasanna Madhusudhanan , Juan G. Restrepo , Youjian , Liu , Timothy X Brown

Pinching antenna systems (PASS) have emerged as a technology that enables the large-scale movement of antenna elements, offering significant potential for performance gains in next-generation wireless networks. This paper investigates the…

信号处理 · 电气工程与系统科学 2025-12-23 Yue Zhang , Yaru Fu , Pei Liu , Yalin Liu , Kevin Hung

We consider coded caching over the fading broadcast channel, where the users, equipped with a memory of finite size, experience asymmetric fading statistics. It is known that a naive application of coded caching over the channel at hand…

信息论 · 计算机科学 2018-01-16 Richard Combes , Asma Ghorbel , Mari Kobayashi , Sheng Yang

This paper studies the capacity of massive random-access cellular networks, modeled as a MIMO fading channel with an infinite number of interfering cells. To characterize the symmetric sum rate of the network, a random-coding argument is…

信息论 · 计算机科学 2025-09-26 Grace Villacrés , Tobias Koch , Gonzalo Vazquez-Vilar

This paper studies the fundamental tradeoff between storage and latency in a general wireless interference network with caches equipped at all transmitters and receivers. The tradeoff is characterized by an information-theoretic metric,…

信息论 · 计算机科学 2018-02-21 Fan Xu , Meixia Tao , Kangqi Liu

We analyze multiuser detection under the assumption that the number of users accessing the channel is unknown by the receiver. In this environment, users' activity must be estimated along with any other parameters such as data, power, and…

信息论 · 计算机科学 2016-11-15 Adrià Tauste Campo , Albert Guillén i Fàbregas , Ezio Biglieri

This letter investigates the performance of content caching in a heterogeneous cellular network (HetNet) consisting of fluid antenna system (FAS)-equipped mobile users (MUs) and millimeter-wave (mm-wave) single-antenna small base stations…

信息论 · 计算机科学 2024-03-27 Farshad Rostami Ghadi , Kai-Kit Wong , Kin-Fai Tong , Yangyang Zhang

Network densification with small cell base stations is a promising solution to satisfy future data traffic demands. However, increasing small cell base station density alone does not ensure better users quality-of-experience and incurs high…

信息论 · 计算机科学 2015-07-02 Syed Tamoor-ul-Hassan , Mehdi Bennis , Pedro H. J. Nardelli , Matti Latva-Aho

Compared with conventional regular hexagonal cellular models, random cellular network models resemble real cellular networks much more closely. However, most studies of random cellular networks are based on the Poisson point process and do…

网络与互联网体系结构 · 计算机科学 2017-11-01 Xiaohu Ge , Bangzheng Du , Qiang Li , Diomidis S. Michalopoulos

Spatial interference alignment among a finite number of users is proposed as a technique to increase the probability of successful transmission in an interference limited clustered wireless ad hoc network. Using techniques from stochastic…

信息论 · 计算机科学 2010-01-14 R. Tresch , M. Guillaud

In this paper, we propose a cache-aided non-orthogonal multiple access (NOMA) scheme for spectrally efficient downlink transmission. The proposed scheme not only reaps the benefits associated with NOMA and caching, but also exploits the…

信息论 · 计算机科学 2019-06-26 Lin Xiang , Derrick Wing Kwan Ng , Xiaohu Ge , Zhiguo Ding , Vincent W. S. Wong , Robert Schober

We consider a heterogeneous cellular network (HetNet) where a macrocell tier with a large antenna array base station (BS) is overlaid with a dense tier of small cells (SCs). We investigate the potential benefits of incorporating a massive…

信息论 · 计算机科学 2016-11-17 Marios Kountouris , Nikolaos Pappas

In this paper, we introduce an analytical framework to compute the average rate of downlink heterogeneous cellular networks. The framework leverages recent application of stochastic geometry to other-cell interference modeling and analysis.…

信息论 · 计算机科学 2016-11-18 Marco Di Renzo , Alessandro Guidotti , Giovanni E. Corazza

Wireless Mesh Network (WMN) deployments are poised to reduce the reliance on wired infrastructure especially with the advent of the multi-radio multi-channel (MRMC) WMN architecture. But the benefits that MRMC WMNs offer viz., augmented…

网络与互联网体系结构 · 计算机科学 2016-01-29 Srikant Manas Kala , M. Pavan Kumar Reddy , Bheemarjuna Reddy Tamma

We consider heterogeneous wireless networks in the physical interference model and introduce a new formulation of the mixed-integer nonlinear programming problem that addresses base-station activation and many-to-many associations while…

网络与互联网体系结构 · 计算机科学 2022-01-26 Raphael M. Guedes , José F. de Rezende , Valmir C. Barbosa

Coded caching utilizes pre-fetching during off-peak hours and multi-casting for delivery in order to balance the traffic load in communication networks. Several works have studied the achievable peak and average rates under different…

信息论 · 计算机科学 2022-01-27 Ciyuan Zhang , Su Wang , Vaneet Aggarwal , Borja Peleato

This paper studies the performance of antenna array processing in distributed multiple access networks without power control. The interference is represented as a Poisson point process. Desired and interfering signals are subject to both…

信息论 · 计算机科学 2016-11-17 Olfa Ben Sik Ali , Christian Cardinal , Francois Gagnon

Interference is emerging as a fundamental bottleneck in many important wireless communication scenarios, including dense cellular networks and cognitive networks with spectrum sharing by multiple service providers. Although multipleantenna…

信息论 · 计算机科学 2011-02-16 P. de Kerret , D. Gesbert