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Related papers: On the Aggregate Interference in Random CSMA/CA Ne…

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We consider the problem of evaluating the cumulative distribution function (CDF) of the sum of order statistics, which serves to compute outage probability (OP) values at the output of generalized selection combining receivers. Generally,…

Computation · Statistics 2017-11-15 Nadhir Ben Rached , Zdravko Botev , Abla Kammoun , Mohamed-Slim Alouini , Raul Tempone

Widefield surveys of the sky probe many clustered scalar fields -- such as galaxy counts, lensing potential, gas pressure, etc. -- that are sensitive to different cosmological and astrophysical processes. Our ability to constrain such…

In IEEE 802.11 based wireless networks adding more access points does not always guarantee an increase of network capacity. In some cases, additional access points may contribute to degrade the aggregated network throughput as more…

Networking and Internet Architecture · Computer Science 2015-09-15 Saravanan Kandasamy , Ricardo Morla , Manuel Ricardo

Code-division multiple-access (CDMA) has the potential to support traffic sources with a wide range of quality of service (QoS) requirements. The traffic carrying capacity of CDMA channels under QoS constraints (such as delay guarantee) is,…

Networking and Internet Architecture · Computer Science 2011-05-03 Kashif Mahmood , Mikko Vehkaperä , Yuming Jiang

In this paper, we present an interference model for cognitive radio (CR) networks employing power control, contention control or hybrid power/contention control schemes. For the first case, a power control scheme is proposed to govern the…

Information Theory · Computer Science 2016-11-17 Zengmao Chen , Cheng-Xiang Wang , Xuemin Hong , John Thompson , Sergiy A. Vorobyov , Xiaohu Ge , Hailin Xiao , Feng Zhao

In this letter, we derive the cumulative density function (CDF) of the nearest neighbor and contact distance distributions of the Matern cluster process (MCP) in R2. These results will be useful in the performance analysis of many…

Information Theory · Computer Science 2017-08-29 Mehrnaz Afshang , Chiranjib Saha , Harpreet S. Dhillon

We investigate the optimal carrier sensing threshold in random CSMA/CA networks considering the effect of binary exponential backoff. We propose an iterative algorithm for optimizing the carrier sensing threshold and hence maximizing the…

Information Theory · Computer Science 2013-12-23 Dong Min Kim , Seong-Lyun Kim

The Distributed Coordination Function (DCF) aims at fair and efficient medium access in IEEE 802.11. In face of its success, it is remarkable that there is little consensus on the actual degree of fairness achieved, particularly bearing its…

Networking and Internet Architecture · Computer Science 2016-11-17 Michael Bredel , Markus Fidler

Device density in cellular networks is expected to increase considerably in the next future. Accordingly, the access point (AP) will equip massive multiple-input multiple-output (mMIMO) antennas, using collimated millimeter-wave (mmW) and…

Information Theory · Computer Science 2022-02-22 Reza Aghazadeh Ayoubi , Umberto Spagnolini

Learning the multivariate distribution of data is a core challenge in statistics and machine learning. Traditional methods aim for the probability density function (PDF) and are limited by the curse of dimensionality. Modern neural methods…

Machine Learning · Statistics 2022-10-14 Magda Amiridi , Nicholas D. Sidiropoulos

Cooperative relaying improves the performance of wireless networks by forming a network of multiple independent virtual sources transmitting the same information as the source node. However, interference induced in the network reduces the…

Information Theory · Computer Science 2012-10-22 Bappi Barua , Mehran Abolhasan , Daniel Franklin , Farzad Safaei

We proposed a fusion mechanism for the distributed cooperative map matching (CMM) within the vehicular ad-hoc network. This mechanism makes the information from each node reachable within the network by other nodes without direct…

Systems and Control · Computer Science 2017-09-19 Macheng Shen , Huajing Zhao , Jing Sun , Ding Zhao

Distributed power control over interference limited network has received an increasing intensity of interest over the past few years. Distributed solutions (like the iterative water-filling, gradient projection, etc.) have been intensively…

Information Theory · Computer Science 2015-05-19 Yong Cheng , Vincent K. N. Lau

The performance of a dual-hop MIMO relay network is studied in this paper. The relay is assumed to have access to the statistical channel state information of its preceding and following channels and it is assumed that fading at the…

Information Theory · Computer Science 2015-05-26 Mehdi M. Molu , Alister Burr , Norbert Goertz

It was shown recently that CSMA (Carrier Sense Multiple Access)-like distributed algorithms can achieve the maximal throughput in wireless networks (and task processing networks) under certain assumptions. One important, but idealized…

Networking and Internet Architecture · Computer Science 2016-11-18 Libin Jiang , Jean Walrand

Compressive random access (CRA) is a random access scheme that has been considered for massive machine-type communication (MTC) with non-orthogonal spreading sequences, where the notion of compressive sensing (CS) is used for low-complexity…

Information Theory · Computer Science 2019-01-01 Jinho Choi

In this paper, we propose a novel adaptive carrier sense multiple access scheme with collision avoidance (CSMA/CA) to perform efficient and reliable data transfer with increased throughput across multiple coexisting wireless body area…

Networking and Internet Architecture · Computer Science 2018-03-18 Samiya M. Shimly , David B. Smith , Samaneh Movassaghi

In cognitive radio networks, channel aggregation (CA) and channel fragmentation (CF) techniques have been proposed to enhance the spectrum utilization. While most of the literature studies CA and CF independently, in this paper we combine…

Networking and Internet Architecture · Computer Science 2012-06-14 Lei Li , Sihai Zhang , Kaiwei Wang , Wuyang Zhou

The cumulative distribution network (CDN) is a recently developed class of probabilistic graphical models (PGMs) permitting a copula factorization, in which the CDF, rather than the density, is factored. Despite there being much recent…

Machine Learning · Statistics 2013-10-17 Stefan Douglas Webb

We introduce a new type of graphical model called a "cumulative distribution network" (CDN), which expresses a joint cumulative distribution as a product of local functions. Each local function can be viewed as providing evidence about…

Machine Learning · Computer Science 2012-06-18 Jim Huang , Brendan J. Frey