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In this paper we analyze the performance of single stream and multi-stream spatial multiplexing (SM) systems employing opportunistic scheduling in the presence of interference. In the proposed downlink framework, every active user reports…

信息论 · 计算机科学 2013-07-16 Kiran Kuchi

Outage probabilities in wireless networks depend on various factors: the node distribution, the MAC scheme, and the models for path loss, fading and transmission success. In prior work on outage characterization for networks with randomly…

信息论 · 计算机科学 2010-10-08 Riccardo Giacomelli , Radha Krishna Ganti , Martin Haenggi

We develop a mixture procedure to monitor parallel streams of data for a change-point that affects only a subset of them, without assuming a spatial structure relating the data streams to one another. Observations are assumed initially to…

统计理论 · 数学 2013-05-10 Yao Xie , David Siegmund

We analyze the coverage probability of multi-user uplink cellular networks with fractional power control. We use a stochastic geometry approach where the mobile users are distributed as a Poisson Point Process (PPP), whereas the serving…

Presence of multiple antennas on both sides of a communication channel promises significant improvements in system throughput and power efficiency. In effect, a new class of large multiple-input multiple-output (MIMO) communication systems…

信息论 · 计算机科学 2014-01-28 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

Explicit derivation of interferences in hexagonal wireless networks has been widely considered intractable and requires extensive computations with system level simulations. In this paper, we fundamentally tackle this problem and explicitly…

网络与互联网体系结构 · 计算机科学 2016-08-03 Ridha Nasri , Aymen Jaziri

We consider a cellular network, where the uplink transmissions to a base station (BS) are interferenced by other devices, a condition that may occur, e.g., in cell-free networks or when using non-orthogonal multiple access (NOMA)…

信息论 · 计算机科学 2023-05-01 Stefano Tomasin , Raphael Hasler , Antonia M. Tulino , Matilde Sánchez-Fernández

This paper proposes a novel approach for computing the meta distribution of the signal-to-interference-plus-noise ratio (SINR) for the downlink transmission in a wireless network with Rayleigh fading. The novel approach relies on an…

信息论 · 计算机科学 2023-02-08 Yujie Qin , Mustafa A. Kishk , Mohamed-Slim Alouini

This paper aims to analyze the stochastic performance of a multiple input multiple output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario, where a base station (BS) transmits a dual-functional…

信息论 · 计算机科学 2023-05-25 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

We consider a user-centric co-operative cellular network, where base stations (BSs) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSs are at arbitrary positions and mobiles…

信息论 · 计算机科学 2018-02-14 Siddhartan Govindasamy , Itsik Bergel

This paper addresses the issue of power flow control for partially faulty microgrids. In microgrid control systems, faults may occur in both electrical and communication layers. This may have severe effects on the operation of microgrids.…

系统与控制 · 电气工程与系统科学 2021-06-08 Quanwei Qiu , Fuwen Yang , Yong Zhu

In this work we treat the unsourced random access problem on a Rayleigh block-fading AWGN channel with multiple receive antennas. Specifically, we consider the slowly fading scenario where the coherence block-length is large compared to the…

信息论 · 计算机科学 2021-09-22 Alexander Fengler , Osman Musa , Peter Jung , Giuseppe Caire

We propose an approach to design a Model Predictive Controller (MPC) for constrained Linear Time Invariant systems performing an iterative task. The system is subject to an additive disturbance, and the goal is to learn to satisfy state and…

系统与控制 · 电气工程与系统科学 2023-06-13 Monimoy Bujarbaruah , Akhil Shetty , Kameshwar Poolla , Francesco Borrelli

Device activity detection is one main challenge in grant-free random access, which is recently proposed to support massive access for massive machine-type communications (mMTC). Existing solutions fail to consider interference generated by…

信息论 · 计算机科学 2020-02-10 Dongdong Jiang , Ying Cui

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

A fine-grained analysis of network performance is crucial for system design. In this paper, we focus on the meta distribution of the signal-to-interference-plus-noise-ratio (SINR) in the mmWave heterogeneous networks where the base stations…

信息论 · 计算机科学 2022-01-20 Le Yang , Fu-Chun Zheng , Shi Jin

Spectrum sharing is a new approach to solve the congestion problem in the RF spectrum. A spatial approach for spectrum sharing between a radar and a communication system was proposed, which mitigates the radar interference to communication…

信息论 · 计算机科学 2016-11-17 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

The performance of a photovoltaic system is subject to varying environmental conditions, and it becomes more challenging to track the maximum power point (MPP) and maintain the optimal performance when partial shading occurs. In this paper,…

信号处理 · 电气工程与系统科学 2018-05-15 Leian Chen , Xiaodong Wang

Co-channel interference poses a challenge in any wireless communication network where the time-frequency resources are reused over different geographical areas. The interference is particularly diverse in cell-free massive multiple-input…

信号处理 · 电气工程与系统科学 2024-04-19 Mahmoud Zaher , Emil Björnson , Marina Petrova

Interference mitigation is a major design challenge in wireless systems,especially in the context of ultra-reliable low-latency communication (URLLC) services. Conventional average-based interference management schemes are not suitable for…

信息论 · 计算机科学 2020-09-22 Nurul Huda Mahmood , Onel Alcaraz Lopez , Hirley Alves , Matti Latva-aho