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We study the joint source-channel coding problem of transmitting a discrete-time analog source over an additive white Gaussian noise (AWGN) channel with interference known at transmitter.We consider the case when the source and the…

信息论 · 计算机科学 2011-10-26 Yu-Chih Huang , Krishna R. Narayanan

The capacity of a complex and discrete-time memoryless additive white Gaussian noise (AWGN) channel under three constraints, namely, input average power, input amplitude and output delivered power is studied. The output delivered power…

信息论 · 计算机科学 2020-04-27 Morteza Varasteh , Borzoo Rassouli , Bruno Clerckx

This paper investigates polar codes for the additive white Gaussian noise (AWGN) channel. The scaling exponent $\mu$ of polar codes for a memoryless channel $q_{Y|X}$ with capacity $I(q_{Y|X})$ characterizes the closest gap between the…

信息论 · 计算机科学 2017-10-11 Silas L. Fong , Vincent Y. F. Tan

We analyze deterministic message identification via channels with non-discrete additive white noise and with a noiseless feedback link under both average power and peak power constraints. The identification task is part of Post Shannon…

信息论 · 计算机科学 2022-02-18 Moritz Wiese , Wafa Labidi , Christian Deppe , Holger Boche

We study the growth of the support size of the capacity-achieving input distribution for the amplitude-constrained additive white Gaussian noise (AWGN) channel. While it is known since Smith (1971) that the optimal input is discrete with…

信息论 · 计算机科学 2025-12-04 Haiyang Wang

We consider the transmission of a memoryless bivariate Gaussian source over an average-power-constrained one-to-two Gaussian broadcast channel. The transmitter observes the source and describes it to the two receivers by means of an…

信息论 · 计算机科学 2009-03-20 Shraga Bross , Amos Lapidoth , Stephan Tinguely

Erasure list decoding was introduced to correct a larger number of erasures with output of a list of possible candidates. In the present paper, we consider both random linear codes and algebraic geometry codes for list decoding erasure…

信息论 · 计算机科学 2014-01-14 Yang Ding , Lingfei Jin , Chaoping Xing

We introduce a new family of codes, termed weighted superimposed codes (WSCs). This family generalizes the class of Euclidean superimposed codes (ESCs), used in multiuser identification systems. WSCs allow for discriminating all bounded,…

信息论 · 计算机科学 2008-12-18 Wei Dai , Olgica Milenkovic

This paper investigates the capacity of a communications channel that, in addition to additive white Gaussian noise, also suffers from interference caused by a co-existing radar transmission. The radar interference (of short duty-cycle and…

信息论 · 计算机科学 2018-10-16 Sara Shahi , Daniela Tuninetti , Natasha Devroye

This paper studies the achievable rates of Gaussian interference channels with additive white Gaussian noise (AWGN), when improper or circularly asymmetric complex Gaussian signaling is applied. For the Gaussian multiple-input…

信息论 · 计算机科学 2016-11-18 Yong Zeng , Cenk M. Yetis , Erry Gunawan , Yong Liang Guan , Rui Zhang

We study uniquely decodable codes and list decodable codes in the high-noise regime, specifically codes that are uniquely decodable from $\frac{1-\varepsilon}{2}$ fraction of errors and list decodable from $1-\varepsilon$ fraction of…

信息论 · 计算机科学 2024-11-06 Xin Li , Songtao Mao

Error-correcting codes are one of the most fundamental objects in pseudorandomness, with applications in communication, complexity theory, and beyond. Codes are useful because of their ability to support decoding, which is the task of…

信息论 · 计算机科学 2024-08-28 Shashank Srivastava

An algorithm is proposed to encode low-density parity-check (LDPC) codes into codewords with a non-uniform distribution. This enables power-efficient signalling for asymmetric channels. We show gains of 0.9 dB for additive white Gaussian…

信息论 · 计算机科学 2023-05-24 Thomas Wiegart , Linfang Wang , Diego Lentner , Richard D. Wesel

Wasserstein metrics are increasingly being used as similarity scores for images treated as discrete measures on a grid, yet their behavior under noise remains poorly understood. In this work, we consider the sensitivity of the signed…

统计理论 · 数学 2026-05-19 Erik Lager , Gilles Mordant , Amit Moscovich

We give new constructions of two classes of algebraic code families which are efficiently list decodable with small output list size from a fraction $1-R-\epsilon$ of adversarial errors where $R$ is the rate of the code, for any desired…

计算复杂性 · 计算机科学 2020-11-17 Venkatesan Guruswami , Chaoping Xing

We study the second-order asymptotics of information transmission using random Gaussian codebooks and nearest neighbor (NN) decoding over a power-limited stationary memoryless additive non-Gaussian noise channel. We show that the dispersion…

信息论 · 计算机科学 2016-10-20 Jonathan Scarlett , Vincent Y. F. Tan , Giuseppe Durisi

This paper considers the problem of closed-loop identification of linear scalar systems with Gaussian process noise, where the system input is determined by a deterministic state feedback policy. The regularized least-square estimate (LSE)…

系统与控制 · 电气工程与系统科学 2020-03-30 Ali Reza Pedram , Takashi Tanaka

Quantum error correction codes (QECCs) play a central role in both quantum communications and quantum computation. Practical quantum error correction codes, such as stabilizer codes, are generally structured to suit a specific use, and…

量子物理 · 物理学 2023-10-30 Diogo Cruz , Francisco A. Monteiro , Bruno C. Coutinho

For information transmission a discrete time channel with independent additive Gaussian noise is used. There is also another channel with independent additive Gaussian noise (the feedback channel), and the transmitter observes without delay…

信息论 · 计算机科学 2015-01-21 Marat V. Burnashev , Hirosuke Yamamoto

We show how Gabidulin codes can be list decoded by using a parametrization approach. For this we consider a certain module in the ring of linearized polynomials and find a minimal basis for this module using the Euclidean algorithm with…

信息论 · 计算机科学 2014-04-24 Margreta Kuijper , Anna-Lena Trautmann