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We consider protocols that serve communication requests arising over time in a wireless network that is subject to interference. Unlike previous approaches, we take the geometry of the network and power control into account, both allowing…

Networking and Internet Architecture · Computer Science 2012-03-07 Thomas Kesselheim

Graph-based algorithms for point-to-point link scheduling in Spatial reuse Time Division Multiple Access (STDMA) wireless ad hoc networks often result in a significant number of transmissions having low Signal to Interference and Noise…

Performance · Computer Science 2007-05-23 Ashutosh Deepak Gore , Srikanth Jagabathula , Abhay Karandikar

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…

Information Theory · Computer Science 2010-01-14 R. Tresch , M. Guillaud

This paper addresses three issues in the field of ad hoc network capacity: the impact of i)channel fading, ii) channel inversion power control, and iii) threshold-based scheduling on capacity. Channel inversion and threshold scheduling may…

Information Theory · Computer Science 2011-11-10 Steven Weber , Jeffrey G. Andrews , Nihar Jindal

A multi-level random power transmit strategy that is used in conjunction with a random access protocol (RAP) (e.g. ALOHA, IRSA) is proposed to fundamentally increase the throughput in a distributed communication network. A SIR model is…

Information Theory · Computer Science 2020-10-20 Akshit Kumar , Parikshit Hegde , Rahul Vaze , Amira Alloum , Cédric Adjih

In this paper, we study how to determine concurrent transmissions and the transmission power level of each link to maximize spectrum efficiency and minimize energy consumption in a wireless ad hoc network. The optimal joint transmission…

Networking and Internet Architecture · Computer Science 2017-06-20 Kamal Rahimi Malekshan , Weihua Zhuang

This paper provides an analytically tractable framework of investigating the statistical properties of the signal-to-interference power ratio (SIR) with a general distribution in a heterogeneous wireless ad hoc network in which there are K…

Information Theory · Computer Science 2016-08-18 Chun-Hung Liu , Zhu-Kuan Yang , Di-Chun Liang

Recent work has shown that adaptive CSMA algorithms can achieve throughput optimality. However, these adaptive CSMA algorithms assume a rather simplistic model for the wireless medium. Specifically, the interference is typically modelled by…

Networking and Internet Architecture · Computer Science 2015-04-30 Peruru Subrahmanya Swamy , Radha Krishna Ganti , Krishna Jagannathan

In a large-scale wireless ad hoc network in which all transmitters form a homogeneous of Poisson point process, the statistics of the signal-to-interference ratio (SIR) in prior work is only derived in closed-form for the case of Rayleigh…

Information Theory · Computer Science 2015-05-27 Chun-Hung Liu

The performance of wireless networks is fundamentally limited by the aggregate interference, which depends on the spatial distributions of the interferers, channel conditions, and user traffic patterns (or queueing dynamics). These factors…

Networking and Internet Architecture · Computer Science 2021-08-13 Xiao Lu , Mohammad Salehi , Martin Haenggi , Ekram Hossain , and Hai Jiang

This thesis focuses on link scheduling in wireless mesh networks by taking into account physical layer characteristics. The assumption made throughout is that a packet is received successfully only if the Signal to Interference and Noise…

Networking and Internet Architecture · Computer Science 2008-12-31 Ashutosh Deepak Gore

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

As a revolutionary wireless transmission strategy, interference alignment (IA) can improve the capacity of the cell-edge users. However, the acquisition of the global channel state information (CSI) for IA leads to unacceptable overhead in…

Information Theory · Computer Science 2017-06-19 Jianpeng Ma , Shun Zhang , Hongyan Li , Nan Zhao , Victor C. M. Leung

This article introduces a metric for performance evaluation of medium access schemes in wireless ad hoc networks known as local capacity. Although deriving the end-to-end capacity of wireless ad hoc networks is a difficult problem, the…

Information Theory · Computer Science 2012-02-22 Salman Malik , Philippe Jacquet

Thanks to the strong ability against the inter-cell interference, cell-free network has been considered as a promising technique to improve the network capacity of future wireless systems. However, for further capacity enhancement, it…

Information Theory · Computer Science 2023-01-03 Zijian Zhang , Linglong Dai

In this paper, we present two randomized distributed algorithms in wireless ad hoc networks. We consider that the network is structured into pairs of nodes (sender, receiver) in a decay space. We take into account the following: Each node…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-21 Aikaterini Nikolidaki

Wireless networks are fundamentally limited by the intensity of the received signals and by their inherent interference. It is shown here that in finite ad hoc networks where node placement is modelled according to a Poisson point process…

Networking and Internet Architecture · Computer Science 2015-04-09 Orestis Georgiou , Shanshan Wang , Mohammud Z. Bocus , Carl P. Dettmann , Justin P. Coon

This paper addresses the challenges of throughput optimization in wireless cache-aided cooperative networks. We propose an opportunistic cooperative probing and scheduling strategy for efficient content delivery. The strategy involves the…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Zhou Zhang , Saman Atapattu , Yizhu Wang , Marco Di Renzo

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

Spectrum sharing between wireless networks improves the efficiency of spectrum usage, and thereby alleviates spectrum scarcity due to growing demands for wireless broadband access. To improve the usual underutilization of the cellular…

Information Theory · Computer Science 2008-08-18 Kaibin Huang , Vincent K. N. Lau , Yan Chen
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