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The rapid development of IoT technology has led to a shortage of spectrum resources and energy, giving rise to simultaneous wireless information and power transfer (SWIPT) technology. However, traditional multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Yixuan Guo , Mingliang Xiong , Wen Fang , Qingwei Jiang , Qingwen Liu , Gang Yan

In a transmit preprocessing aided frequency division duplex (FDD) massive multi-user (MU) multiple-input multiple-output (MIMO) scheme assisted orthogonal frequency-division multiplexing (OFDM) system, it is required to feed back the…

Signal Processing · Electrical Eng. & Systems 2023-08-01 Pavan Kumar Gadamsetty , K. V. S. Hari , Lajos Hanzo

This paper introduces a novel methodology leveraging differentiable programming to design efficient, constrained adaptive non-uniform Linear Differential Microphone Arrays (LDMAs) with reduced implementation costs. Utilizing an automatic…

Sound · Computer Science 2024-12-09 Siminfar Samakoush Galougah , Ramani Duraiswami

Deep neural networks (DNNs) have been increasingly explored for receiver design because they can handle complex environments without relying on explicit channel models. Nevertheless, because communication channels change rapidly, their…

Information Theory · Computer Science 2026-02-25 Mohanad Obeed , Ming Jian

The proposed delta-sigma modulator ($\Delta\Sigma$M) based signal acquisition architecture uses a differential difference amplifier (DDA) customized for dual purpose roles, namely as instrumentation amplifier and as integrator of…

Signal Processing · Electrical Eng. & Systems 2020-03-10 Joydeep Basu , Pradip Mandal

In this work, we present a framework analysis of full-duplex (FD) systems for Millimeter Wave (mmWave) analog architecture. Given that FD systems can double the ergodic capacity, such systems experience large losses caused by the loopback…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Elyes Balti

Designing Doppler-resilient unimodular discrete phase-coded waveforms (DPWs) with low delay-Doppler sidelobes is critical for multiple-input multiple-output (MIMO) radar. Existing block coordinate descent (BCD) methods suffer from high…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Junpeng Ma , Yuke Li , Junbo Wang , Yongxing Zhou

In Spectrally Efficient Frequency Division Multiplexing systems the input data stream is divided into several adjacent subchannels where the distance of the subchannels is less than that of Orthogonal Frequency Division…

Information Theory · Computer Science 2013-04-16 Seyed Javad Heydari , Mahmoud Ferdosizade Naeiny , Farokh Marvasti

In this paper, a symbol-level selective transmission for virtual full-duplex (FD) relaying networks is proposed, which aims to mitigate error propagation effects and improve system spectral efficiency. The idea is to allow two half-duplex…

Information Theory · Computer Science 2017-11-03 Jiancao Hou , Sandeep Narayanan , Na Yi , Yi Ma , Mohammad Shikh-Bahaei

Recently, dual-function radar communication (DFRC) systems have been proposed to integrate radar and communication into one platform for spectrum sharing. Various signalling strategies have been proposed to embed communication information…

Signal Processing · Electrical Eng. & Systems 2023-11-14 Jifa Zhang

On a multi-antenna broadcast channel, simultaneous transmission to multiple users by joint beamforming and scheduling is capable of achieving high throughput, which grows double logarithmically with the number of users. The sum rate for…

Information Theory · Computer Science 2012-08-27 Kaibin Huang , Robert W. Heath, , Jeffrey G. Andrews

An adaptive delay-tolerant distributed space-time coding (DSTC) scheme with feedback is proposed for two-hop cooperative multiple-input multiple-output (MIMO) networks using an amplify-and-forward strategy and opportunistic relaying…

Information Theory · Computer Science 2014-12-16 T. Peng , R. C. de Lamare

In this paper, we present a multi-user resource allocation framework using fragmented-spectrum synchronous OFDM-CDMA modulation over a frequency-selective fading channel. In particular, given pre-existing communications in the spectrum…

Networking and Internet Architecture · Computer Science 2016-04-26 Farhad Akhoundi , Saeed Sharifi-Malvajerdi , Omid Poursaeed , Jawad A. Salehi

Purpose: Often, the inverse deformation vector field (DVF) is needed together with the corresponding forward DVF in 4D reconstruction and dose calculation, adaptive radiation therapy, and simultaneous deformable registration. This study…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Abhishek Kumar Dubey , Alexandros-Stavros Iliopoulos , Xiaobai Sun , Fang-Fang Yin , Lei Ren

Linear receivers are an attractive low-complexity alternative to optimal processing for multi-antenna MIMO communications. In this paper we characterize the information-theoretic performance of MIMO linear receivers in two different…

Information Theory · Computer Science 2016-11-18 K. Raj Kumar , G. Caire , A. L. Moustakas

Multi-frame algorithms for single-channel speech enhancement are able to take advantage from short-time correlations within the speech signal. Deep filtering (DF) recently demonstrated its capabilities for low-latency scenarios like hearing…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-16 Hendrik Schröter , Tobias Rosenkranz , Alberto N. Escalante-B. , Andreas Maier

In this paper, the problem of sequential beam construction and adaptive channel estimation based on reduced rank (RR) Kalman filtering for frequency-selective massive multiple-input multiple-output (MIMO) systems employing single-carrier…

Information Theory · Computer Science 2017-03-10 Gokhan M. Guvensen , Ender Ayanoglu

The spatial Sigma-Delta ($\Sigma\Delta$) architecture can be leveraged to reduce the quantization noise and enhance the effective resolution of few-bit analog-to-digital converters (ADCs) at certain spatial frequencies of interest.…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Toan-Van Nguyen , Sajjad Nassirpour , Italo Atzeni , Antti Tolli , A. Lee Swindlehurst , Duy H. N. Nguyen

The main objective of this paper is to compare block transmission system performance analytically for Code Divisional Multiple Access (CDMA) modulations in Generalized Multicarrier environment against linear modulation techniques for both…

Information Theory · Computer Science 2013-06-03 Anwarul Azim

In this paper, two low-complexity adaptive step size algorithms are investigated for blind adaptive beamforming. Both of them are used in a stochastic gradient (SG) algorithm, which employs the constrained constant modulus (CCM) criterion…

Information Theory · Computer Science 2013-03-13 Lei Wang , Yunlong Cai , Rodrigo C. de Lamare