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Text-to-speech (TTS) synthesis has seen renewed progress under the discrete modeling paradigm. Existing autoregressive approaches often rely on single-codebook representations, which suffer from significant information loss. Even with…

Tail-biting convolutional codes extend the classical zero-termination convolutional codes: Both encoding schemes force the equality of start and end states, but under the tail-biting each state is a valid termination. This paper proposes a…

Information Theory · Computer Science 2021-02-03 Tomer Raviv , Asaf Schwartz , Yair Be'ery

This paper addresses the joint transceiver design, including pilot transmission, channel feature extraction and feedback, as well as precoding, for low-overhead downlink massive multiple-input multiple-output (MIMO) communication in…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Lin Zhu , Weifeng Zhu , Shuowen Zhang , Shuguang Cui , Liang Liu

True-time-delay (TTD) lines are recently applied inside Terahertz (THz) hybrid-precoding transceiver to acquire high beamforming gain against beam squint effect. However, beam tracking turns into a challenging puzzle where enormous…

Information Theory · Computer Science 2024-10-28 Xu Shi , Jintao Wang , Jian Song

To get channel state information (CSI) at a base station (BS), most of researches on massive multiple-input multiple-output (MIMO) systems consider time division duplexing (TDD) to get benefit from the uplink and downlink channel…

Information Theory · Computer Science 2022-06-28 Hyeongtaek Lee , Hyuckjin Choi , Hwanjin Kim , Sucheol Kim , Chulhee Jang , Yongyun Choi , Junil Choi

A List Viterbi detector produces a rank ordered list of the N globally best candidates in a trellis search. A List Viterbi detector structure is proposed that incorporates the noise prediction with periodic state-metric updates based on…

Information Theory · Computer Science 2013-07-24 Suayb. S. Arslan , Jaewook Lee , Turguy Goker

In this paper, we propose Textual Echo Cancellation (TEC) - a framework for cancelling the text-to-speech (TTS) playback echo from overlapping speech recordings. Such a system can largely improve speech recognition performance and user…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-20 Shaojin Ding , Ye Jia , Ke Hu , Quan Wang

Fault-tolerant quantum computers, with error correction implemented using topological codes, will most likely require lattice surgery protocols in order to implement a universal gate set. Timelike failures during lattice surgery protocols…

Quantum Physics · Physics 2022-10-31 Prithviraj Prabhu , Christopher Chamberland

Multivariate Time-Series (MTS) clustering is crucial for signal processing and data analysis. Although deep learning approaches, particularly those leveraging Contrastive Learning (CL), are prominent for MTS representation, existing…

Machine Learning · Computer Science 2026-01-13 Zexi Tan , Tao Xie , Haoyi Xiao , Baoyao Yang , Yuzhu Ji , An Zeng , Xiang Zhang , Yiqun Zhang

Standard decoding approaches for convolutional codes, such as the Viterbi and BCJR algorithms, entail significant complexity when correcting synchronization errors. The situation worsens when multiple received sequences should be jointly…

Information Theory · Computer Science 2024-10-10 Anisha Banerjee , Lorenz Welter , Alexandre Graell i Amat , Antonia Wachter-Zeh , Eirik Rosnes

Large Language Models (LLMs) have shown strong performance in automated source-to-target code translation through pretraining on extensive code corpora. However, mainstream LLM-based code translation methods suffer from two critical…

Software Engineering · Computer Science 2025-10-13 He Jiang , Yufu Wang , Hao Lin , Peiyu Zou , Zhide Zhou , Ang Jia , Xiaochen Li , Zhilei Ren

Orthogonal time frequency space (OTFS) is a promising candidate waveform for the next generation wireless communication systems. OTFS places data in the delay-Doppler (DD) domain, which simplifies channel estimation in highmobility…

Signal Processing · Electrical Eng. & Systems 2023-05-25 Sanoopkumar P. S. , Stephen McWade , Arman Farhang

Massive MIMO wireless FDD systems are often confronted by the challenge to efficiently obtain downlink channel state information (CSI). Previous works have demonstrated the potential in CSI encoding and recovery by take advantage of…

Information Theory · Computer Science 2021-12-20 Yu-Chien Lin , Zhenyu Liu , Ta-Sung Lee , Zhi Ding

We propose a subspace constrained precoding scheme that exploits the spatial channel correlation structure in massive MIMO cellular systems to fully unleash the tremendous gain provided by massive antenna array with reduced channel state…

Information Theory · Computer Science 2016-11-17 An Liu , Vincent Lau

Communications in dispersive direct-sequence code-division multiple-access (DS-CDMA) channels suffer from intersymbol and multiple-access interference, which can significantly impair performance. Joint maximum \textit{a posteriori}…

Information Theory · Computer Science 2007-07-13 Husheng Li , H. V. Poor

The low complexity quantization of channel state information (CSI) and the utilization of vertical freedom of three dimension (3D) channels are two critical issues in the limited feedback design of the \emph{full dimension…

Information Theory · Computer Science 2016-05-04 Lisi Jiang , Juling Zeng

Register Transfer Level (RTL) code optimization is crucial for enhancing the efficiency and performance of digital circuits during early synthesis stages. Currently, optimization relies heavily on manual efforts by skilled engineers, often…

Hardware Architecture · Computer Science 2024-09-19 Xufeng Yao , Yiwen Wang , Xing Li , Yingzhao Lian , Ran Chen , Lei Chen , Mingxuan Yuan , Hong Xu , Bei Yu

This study presents a parameter-light, low-complexity artificial intelligence/machine learning (AI/ML) model that enhances channel state information (CSI) feedback in wireless systems by jointly exploiting temporal, spatial, and frequency…

Signal Processing · Electrical Eng. & Systems 2025-05-08 Aakash Saini , Yunchou Xing , Jee Hyun Kim , Amir Ahmadian Tehrani , Wolfgang Gerstacker

Massive MIMO systems rely on accurate Channel State Information (CSI) feedback to enable high-gain beam-forming. However, the feedback overhead scales linearly with the number of antennas, presenting a major bottleneck. While recent deep…

Systems and Control · Electrical Eng. & Systems 2025-12-17 Maryam Ansarifard , Mostafa Rahmani , Mohit K. Sharma , Kishor C. Joshi , George Exarchakos , Alister Burr

Recently, deep learning-based Text-to-Speech (TTS) systems have achieved high-quality speech synthesis results. Recurrent neural networks have become a standard modeling technique for sequential data in TTS systems and are widely used.…

Sound · Computer Science 2024-03-19 Ziqi Liang , Haoxiang Shi , Jiawei Wang , Keda Lu