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In the context of integrated sensing and communication (ISAC), a full-duplex (FD) transceiver can operate as a monostatic radar while maintaining communication capabilities. This paper investigates the design of precoders and combiners for…

Signal Processing · Electrical Eng. & Systems 2024-04-03 Murat Bayraktar , Nuria González-Prelcic , Hao Chen

This paper studies the problem of hybrid holographic beamforming for sum-rate maximization in a communication system assisted by a reconfigurable holographic surface. Existing methodologies predominantly rely on gradient-based or…

Signal Processing · Electrical Eng. & Systems 2025-03-24 Chandan Kumar Sheemar , Wali Ullah Khan , George C. Alexandropoulos , Manzoor Ahmed , Symeon Chatzinotas

Joint equalization and decoding schemes are described for two-dimensional intersymbol interference (ISI) channels. Equalization is performed using the minimum mean-square-error (MMSE) criterion. Low-density parity-check codes are used for…

Information Theory · Computer Science 2016-11-18 N. Singla , J. A. O'Sullivan

In this paper, we consider a downlink multi-user multiple-input multiple-output (MU-MIMO) communication assisted by a reconfigurable intelligent surface (RIS) and study the precoding and RIS configuration design under practical system…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

This work presents joint interference suppression and power allocation algorithms for DS-CDMA networks with multiple hops and decode-and-forward (DF) protocols. A scheme for joint allocation of power levels across the relays subject to…

Information Theory · Computer Science 2013-04-09 Rodrigo C. de Lamare

In this paper, we derive an optimal ADC bit-allocation (BA) condition for a Single-User (SU) Millimeter wave (mmWave) Massive Multiple-Input Multiple-Output (Ma-MIMO) receiver equipped with variable-resolution ADCs under power constraint…

Signal Processing · Electrical Eng. & Systems 2019-02-12 I. Zakir Ahmed , Hamid Sadjadpour , Shahram Yousefi

A new subcarrier combining technique is proposed for MC -CDMA receiver in mobile Rayleigh fading channel. It exploits the structure formed by repeating spreading sequences of users on different subcarriers to simultaneously suppress…

Information Theory · Computer Science 2011-03-01 Indu Shakya , Falah H. Ali , Elias Stipidis

Characterizing the performance trade-offs between sensing and communication subsystems is essential for enabling integrated sensing and communication systems. Various metrics exist for each subsystem; however, this study focuses on the…

Spatial multiplexing (SMX) multiple-input multiple-output (MIMO) over the best beamspace was considered as the best solution for millimeter wave (mmWave) communications regarding spectral efficiency (SE), referred as the best beamspace…

Signal Processing · Electrical Eng. & Systems 2018-10-26 Shuaishuai Guo , Haixia Zhang , Peng Zhang , Pengjie Zhao , Leiyu Wang , Mohamed-Slim Alouini

This paper investigates the linear precoder design for $K$-user interference channels of multiple-input multiple-output (MIMO) transceivers under finite alphabet inputs. We first obtain general explicit expressions of the achievable rate…

Information Theory · Computer Science 2016-11-18 Yongpeng Wu , Chengshan Xiao , Xiqi Gao , John D. Matyjas , Zhi Ding

This paper aims at designing an on-board beam generation process for multibeam satellite systems with the goal of reducing the traffic at the feeder link. Full frequency reuse among beams is considered and the beamforming at the satellite…

Information Theory · Computer Science 2015-07-01 Vahid Joroughi , Miguel Ángel Vázquez , Ana I. Pérez-Neira , Bertrand Devillers

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

Optimization and Control · Mathematics 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

For multi-user multiple-input and multiple-output (MIMO) wireless communications in orthogonal frequency di- vision multiplexing systems, we propose a MIMO precoding scheme providing a desired peak-to-average power ratio (PAR) at the…

Information Theory · Computer Science 2017-04-05 Hyun-Su Cha , Dong Ku Kim

The design of linear precoders or decoders for multiuser (MU) multiple-input multiple-output (MIMO) filterbank multicarrier (FBMC) modulations in the case of strong channel frequency selectivity is presented. The users and the base station…

Information Theory · Computer Science 2016-11-09 François Rottenberg , Xavier Mestre , François Horlin , Jérôme Louveaux

This paper presents a performance analysis of two distinct techniques for antenna selection and precoding in downlink multi-user massive multiple-input single-output systems with limited dynamic range power amplifiers. Both techniques are…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Xiuxiu Ma , Abla Kammoun , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Joint unicast and multicast transmissions are becoming increasingly important in practical wireless systems, such as Internet of Things networks. This paper investigates a cell-free massive multiple-input multiple-output system that…

Signal Processing · Electrical Eng. & Systems 2025-08-20 Mustafa S. Abbas , Zahra Mobini , Hien Quoc Ngo , Hyundong Shin , Michail Matthaiou

A cellular multiple-input multiple-output (MIMO) downlink system is studied in which each base station (BS) transmits to some of the users, so that each user receives its intended signal from a subset of the BSs. This scenario is referred…

Information Theory · Computer Science 2013-02-12 Saeed Kaviani , Osvaldo Simeone , Witold A Krzymień , Shlomo Shamai

This paper investigates the design of distributed precoding for multi-satellite massive MIMO transmissions. We first conduct a detailed analysis of the transceiver model, in which delay and Doppler precompensation is introduced to ensure…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Yafei Wang , Vu Nguyen Ha , Konstantinos Ntontin , Hong Yan , Wenjin Wang , Symeon Chatzinotas , Björn Ottersten

This paper addresses the design of multi-antenna precoding strategies, considering hardware limitations such as low-resolution digital-to-analog converters (DACs), which necessitate the quantization of transmitted signals. The typical…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Xiuxiu Ma , Abla Kammoun , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

In this paper, we consider fast wireless data aggregation via over-the-air computation (AirComp) in Internet of Things (IoT) networks, where an access point (AP) with multiple antennas aim to recover the arithmetic mean of sensory data from…

Signal Processing · Electrical Eng. & Systems 2021-05-12 Wenzhi Fang , Yinan Zou , Hongbin Zhu , Yuanming Shi , Yong Zhou
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