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Indirect Inference (I-I) estimation of structural parameters $\theta$ {{requires matching observed and simulated statistics, which are most often generated using an auxiliary model that depends on instrumental parameters $\beta$.}} {The…

Statistics Theory · Mathematics 2019-08-21 David T. Frazier , Eric Renault

We study best arm identification (BAI) in linear bandits in the fixed-budget regime under differential privacy constraints, when the arm rewards are supported on the unit interval. Given a finite budget $T$ and a privacy parameter…

Machine Learning · Computer Science 2024-01-18 Zhirui Chen , P. N. Karthik , Yeow Meng Chee , Vincent Y. F. Tan

We present the first part of an efficient framework for nonlinear beam dynamics, termed Approximate Invariant Analysis (AIA). The framework is based on the construction of approximate invariants~[Y.~Li, D.~Xu, and Y.~Hao, Phys.\ Rev.\…

Accelerator Physics · Physics 2026-05-13 Yongjun Li , Sergei Nagaitsev , Derong Xu , Yue Hao , Chad Mitchell

The Fisher information approximation (FIA) is an implementation of the minimum description length principle for model selection. Unlike information criteria such as AIC or BIC, it has the advantage of taking the functional form of a model…

Methodology · Statistics 2018-08-02 Daniel W. Heck , Morten Moshagen , Edgar Erdfelder

Interference alignment (IA) is known to significantly increase sum-throughput at high SNR in the presence of multiple interfering nodes, however, the reliability of IA is little known, which is the subject of this paper. We study the error…

Information Theory · Computer Science 2012-11-28 Baile Xie , Yang Li , Hlaing Minn , Aria Nosratinia

We study a statistical method to estimate the optimal value, and the optimality gap of a given solution for stochastic optimization as an assessment of the solution quality. Our approach is based on bootstrap aggregating, or bagging,…

Optimization and Control · Mathematics 2022-12-06 Henry Lam , Huajie Qian

The nonlinear model of the best-worst method frequently produces multiple optimal weight sets, which are conventionally determined through optimization software. While an analytical approach exists that provides both a closed-form…

Optimization and Control · Mathematics 2026-02-02 Harshit M. Ratandhara , Mohit Kumar

In this paper, we address the problem of interference alignment (IA) over MIMO interference channels with limited channel state information (CSI) feedback based on quantization codebooks. Due to limited feedback and hence imperfect IA,…

Information Theory · Computer Science 2015-06-18 Xiaoming Chen , Chau Yuen

We investigate radar parameter estimation and beam tracking with a hybrid digital-analog (HDA) architecture in a multi-block measurement framework using an extended target model. In the considered setup, the backscattered data signal is…

Signal Processing · Electrical Eng. & Systems 2023-08-17 Fernando Pedraza , Saeid K. Dehkordi , Jan C. Hauffen , Shuangyang Li , Peter Jung , Giuseppe Caire

Interference alignment (IA) is a revolutionary wireless transmission strategy that reduces the impact of interference. The idea of interference alignment is to coordinate multiple transmitters so that their mutual interference aligns at the…

Information Theory · Computer Science 2013-04-15 Omar El Ayach , Steven W. Peters , Robert W. Heath

This study investigates the contextual best arm identification (BAI) problem, aiming to design an adaptive experiment to identify the best treatment arm conditioned on contextual information (covariates). We consider a decision-maker who…

Machine Learning · Computer Science 2025-06-23 Masahiro Kato , Kyohei Okumura , Takuya Ishihara , Toru Kitagawa

Intermittent Androgen Suppression (IAS) is a treatment strategy for delaying or even preventing time to relapse of advanced prostate cancer. IAS consists of alternating cycles of therapy (in the form of androgen suppression) and…

Optimization and Control · Mathematics 2016-03-04 Julia L. Fleck , Christos G. Cassandras

Backtests on historical data are the basis for practical evaluations of portfolio selection rules, but their reliability is often limited by reliance on a single sample path. This can lead to high estimation variance. Resampling techniques…

Portfolio Management · Quantitative Finance 2025-10-14 Andrew Paskaramoorthy , Terence van Zyl , Tim Gebbie

Interference Alignment (IA) is a transmission scheme which achieves 1/2 Degrees-of-Freedom (DoF) per transmit-antenna per user. The constraints imposed on the scheme are based on the linear receiver since conventional IA assumes Gaussian…

Information Theory · Computer Science 2014-02-12 B Hari Ram , K Giridhar

An efficient interference alignment (IA) scheme is developed for $K$-user single-input single-output frequency selective fading interference channels. The main idea is to steer the transmit beamforming matrices such that at each receiver…

Information Theory · Computer Science 2009-06-23 Sang Won Choi , Syed A. Jafar , Sae-Young Chung

Initial access (IA) is a fundamental physical layer procedure in cellular systems where user equipment (UE) detects nearby base station (BS) as well as acquire synchronization. Due to the necessity of using antenna array in millimeter-wave…

Signal Processing · Electrical Eng. & Systems 2019-07-30 Han Yan , Danijela Cabric

Interference alignment (IA) has been shown to achieve the maximum achievable degrees of freedom in the interference channel. This results in sum rate scaling linearly with the number of users in the high signal-to-noise-ratio (SNR) regime.…

Information Theory · Computer Science 2013-04-15 Omar El Ayach , Steven W. Peters , Robert W. Heath

Detecting and classifying abnormal system states is critical for condition monitoring, but supervised methods often fall short due to the rarity of anomalies and the lack of labeled data. Therefore, clustering is often used to group similar…

Machine Learning · Computer Science 2025-01-14 Ferdinand Rewicki , Joachim Denzler , Julia Niebling

Bayesian optimal experimental design is a sub-field of statistics focused on developing methods to make efficient use of experimental resources. Any potential design is evaluated in terms of a utility function, such as the (theoretically…

Machine Learning · Computer Science 2022-10-21 Noble Kennamer , Steven Walton , Alexander Ihler

Ideally, a meta-analysis will summarize data from several unbiased studies. Here we consider the less than ideal situation in which contributing studies may be compromised by measurement error. Measurement error affects every study design,…