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相关论文: Cognitive OFDM network sensing: a free probability…

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This paper considers a multi-functional orthogonal frequency division multiplexing (OFDM) system with integrated sensing, communication, and powering (ISCAP), in which a multi-antenna base station (BS) transmits OFDM signals to…

信号处理 · 电气工程与系统科学 2024-08-27 Yilong Chen , Chao Hu , Zixiang Ren , Han Hu , Jie Xu , Lexi Xu , Lei Liu , Shuguang Cui

Massive multiple input and multiple output (MIMO) systems with orthogonal frequency division multiplexing (OFDM) are foundational for downlink multi-user (MU) communication in future wireless networks, for their ability to enhance spectral…

信号处理 · 电气工程与系统科学 2025-07-30 Erdeng Zhang , Shuntian Zheng , Sheng Wu , Haoge Jia , Zhe Ji , Ailing Xiao

In this work, we discuss techniques for coherently detecting turbo coded orthogonal frequency division multiplexed (OFDM) signals, transmitted through frequency selective Rayleigh (the magnitude of each channel tap is Rayleigh distributed)…

信息论 · 计算机科学 2015-11-04 K. Vasudevan

We consider a network, tasked with solving binary distributed detection, consisting of N sensors, a fusion center (FC), and a feedback channel from the FC to sensors. Each sensor is capable of harvesting energy and is equipped with a finite…

信号处理 · 电气工程与系统科学 2022-10-12 Ghazaleh Ardeshiri , Azadeh Vosoughi

This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user employs Orthogonal Frequency Division Multiplexing (OFDM). We develop cooperative sequential detection algorithms based on energy…

信息论 · 计算机科学 2010-05-11 ArunKumar Jayaprakasam , Vinod Sharma , Chandra R. Murthy , Prashant Narayanan

This paper, for the first time, presents a low-complexity peak-power-assisted data-aided channel estimation (DACE) scheme for both single-input single-output (SISO) and multiple-input multiple-output orthogonal frequency division…

信号处理 · 电气工程与系统科学 2024-10-10 Inaamullah Khan , Mohammad Mahmudul Hasan , Michael Cheffena

Networks and data supported on graphs have become ubiquitous in the sciences and engineering. This paper studies the 'blind' community detection problem, where we seek to infer the community structure of a graph model given the observation…

社会与信息网络 · 计算机科学 2020-10-28 T. Mitchell Roddenberry , Michael T. Schaub , Hoi-To Wai , Santiago Segarra

Spectral efficiency is a key design issue for all wireless communication systems. Orthogonal frequency division multiplexing (OFDM) is a very well-known technique for efficient data transmission over many carriers overlapped in frequency.…

网络与互联网体系结构 · 计算机科学 2013-03-28 R. G. Clegg , S. Isam , I. Kanaris , I. Darwazeh

Windowed orthogonal frequency-division multiplexing (OFDM) and wavelet OFDM have been proposed as medium access techniques for broadband communications over the power line network by the standard IEEE 1901. Windowed OFDM has been…

信息论 · 计算机科学 2017-03-16 Freddy A. Pinto-Benel , Manuel Blanco-Velasco , Fernando Cruz-Roldán

Conditional density estimation (CDE) is the task of estimating the probability of an event conditioned on some inputs. A neural network (NN) can also be used to compute the output distribution for continuous-domain, which can be viewed as…

机器学习 · 计算机科学 2021-12-30 Bing Chen , Mazharul Islam , Jisuo Gao , Lin Wang

The ability to cancel an OFDM signal is important to many wireless communication systems including Power-Domain Non-orthogonal Multiple Access (PD-NOMA), Rate-Splitting Multiple Access (RSMA), and spectrum underlay for dynamic spectrum…

信号处理 · 电气工程与系统科学 2023-03-23 Daniel Chew , Samuel Berhanu , Chris Baumgart , A. Brinton Cooper

Real-time transmission line outage detection is difficult because of partial phasor measurement unit (PMU) deployment and varying outage signal strength. Existing detection approaches focus on monitoring PMU-measured nodal algebraic states,…

系统与控制 · 电气工程与系统科学 2021-10-28 Xiaozhou Yang , Nan Chen , Chao Zhai

This paper presents a novel efficient receiver design for wireless communication systems that incorporate orthogonal frequency division multiplexing (OFDM) transmission. The proposed receiver does not require channel estimation or…

信息论 · 计算机科学 2019-12-06 Anas Saci , Arafat Al-Dweik , Abdallah Shami

This work derives a distributed and iterative algorithm by which mobile terminals can selfishly control their transmit powers during the synchronization procedure specified by the IEEE 802.16m and the 3GPP-LTE standards for orthogonal…

信息论 · 计算机科学 2013-03-13 Giacomo Bacci , Luca Sanguinetti , Marco Luise , H. Vincent Poor

We propose an optimization problem to minimize the base stations transmission powers in OFDMA heterogeneous networks, while respecting users' individual throughput demands. The decision variables are the users' working bandwidths, their…

最优化与控制 · 数学 2024-11-11 Gabriel O. Ferreira , Chiara Ravazzi , Fabrizio Dabbene , Giuseppe C. Calafiore

An outage detection framework for power distribution networks is proposed. Given the tree structure of the distribution system, a method is developed combining the use of real-time power flow measurements on edges of the tree with load…

系统与控制 · 计算机科学 2016-11-18 Raffi Sevlian , Yue Zhao , Andrea Goldsmith , Ram Rajagopal , H. Vincent Poor

When data is transmitted by encoding it in the amplitude of the transmitted signal, such as in Amplitude Shift Keying, the receiver makes a decision on the transmitted data by observing the amplitude of the received signal. Depending on the…

信号处理 · 电气工程与系统科学 2020-02-21 Mohammed Usman , Mohd Wajid , M. Z. Shamim , Mohd Dilshad Ansari , Vinit Kumar Gunjan

Drones have the potential to revolutionize power line inspection by increasing productivity, reducing inspection time, improving data quality, and eliminating the risks for human operators. Current state-of-the-art systems for power line…

机器人学 · 计算机科学 2023-08-10 Jiaxu Xing , Giovanni Cioffi , Javier Hidalgo-Carrió , Davide Scaramuzza

In this paper, we consider a passive radar system that estimates the positions and velocities of multiple moving targets by using OFDM signals transmitted by a totally un-coordinated and un-synchronizated illuminator and multiple receivers.…

信息论 · 计算机科学 2019-07-01 Yinchuan Li , Xiaodong Wang , Zegang Ding

Filter bank-based multicarrier (FBMC) systems are currently being considered as a prevalent candidate for replacing the long established cyclic prefix (CP)-based orthogonal frequency division multiplexing (CP-OFDM) in the physical layer of…

信息论 · 计算机科学 2016-10-03 Eleftherios Kofidis , Christos Chatzichristos , Andre L. F. de Almeida