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For future networks (i.e., the fifth generation (5G) wireless networks and beyond), millimeter-wave (mmWave) communication with large available unlicensed spectrum is a promising technology that enables gigabit multimedia applications.…

Networking and Internet Architecture · Computer Science 2018-10-03 Qing Xue , Xuming Fang , Cheng-Xiang Wang

In this letter, we analyze the performance of mixed coherent and non-coherent transmissions approach, which can improve the performance of cell-free multiple-input multiple-output orthogonal frequency division multiplexing (CF mMIMO-OFDM)…

Information Theory · Computer Science 2024-11-12 Guoyu Li , Shaochuan Wu , Changsheng You , Wenbin Zhang , Guanyu Shang

Hybrid analog/digital MIMO architectures were recently proposed as an alternative for fully-digitalprecoding in millimeter wave (mmWave) wireless communication systems. This is motivated by the possible reduction in the number of RF chains…

Information Theory · Computer Science 2015-12-10 Roi Méndez-Rial , Cristian Rusu , Nuria González-Prelcic , Ahmed Alkhateeb , Robert W. Heath

Multi-user Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Output Multiple Output (MIMO) have been widely adopted to enhance the system throughput and combat the detrimental effects of wireless channels. Recently,…

Information Theory · Computer Science 2015-02-18 Yi Xu , Shiwen Mao , Xin Su

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

Signal Processing · Electrical Eng. & Systems 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

In the past few years, some alternatives to the Orthogonal Frequency Division Multiplexing (OFDM) modulation have been considered to improve its spectral containment and its performance level in the presence of heavy Doppler shifts. This…

Information Theory · Computer Science 2023-02-21 Carmen D'Andrea , Stefano Buzzi , Maria Fresia , Xiaofeng Wu

Multiple antennas have been exploited for spatial multiplexing and diversity transmission in a wide range of communication applications. However, most of the advances in the design of high speed wireless multiple-input multiple output…

Information Theory · Computer Science 2017-04-26 Yongpeng Wu , Chengshan Xiao , Zhi Ding , Xiqi Gao , Shi Jin

We develop a pragmatic multi-user (MU) massive multiple-input multiple-output (MIMO) channel model tailored to the THz band, encompassing factors such as molecular absorption, reflection losses and multipath diffused ray components. Next,…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Abhisha Garg , Suraj Srivastava , Varsha Dubey , Aditya Jagannatham , Lajos Hanzo

Hybrid precoder and combiner designs are conceived for decentralized parameter estimation in millimeter wave (mmWave) multiple-input multiple-output (MIMO) wireless sensor networks (WSNs). More explicitly, efficient pre- and post-processing…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Priyanka Maity , Suraj Srivastava , Kunwar Pritiraj Rajput , Naveen K. D. Venkategowda , Aditya K. Jagannatham , Lajos Hanzo

Interference at the radio receiver is a key source of degradation in quality of service of wireless communication systems. This paper presents a unified framework for OFDM/FBMC interference characterization and analysis in asynchronous…

Networking and Internet Architecture · Computer Science 2011-08-03 Yahia Medjahdi , Michel Terré , Didier Le Ruyet , Daniel Roviras

Nowadays, millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems is a favorable candidate for the fifth generation (5G) cellular systems. However, a key challenge is the high power consumption imposed by its numerous…

Information Theory · Computer Science 2018-03-21 Jiayi Zhang , Lnglong Dai , Xu Li , Ying Liu , Lajos Hanzo

In filter-bank multicarrier (FBMC) systems the intrinsic interference is the major challenge to achieve a full gain of diversity over multi-input multi-output (MIMO) channels. In this paper, we develop a novel multicarrier system called…

Signal Processing · Electrical Eng. & Systems 2020-06-09 Mohammad Towliat

Future wireless networks are envisioned to employ multiple-input multiple-output (MIMO) transmissions with large array sizes, and therefore, the adoption of complexity-scalable transceiver becomes important. In this paper, we propose a…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Jie Yang , Wanchen Hu , Yi Jiang , Shuangyang Li , Xin Wang , Derrick Wing Kwan Ng , Giuseppe Caire

Previous studies in the literature for video transmission over wireless communication systems focused on combating the effects of additive channel noise and fading channels without taking the impairments in the physical layer such as phase…

Multimedia · Computer Science 2016-02-10 Omar H. Salim , Wei Xiang , Ali A. Nasi , Gengkun Wang , Hani Mehrpouyan

The conventional receiver designs of generalized frequency division multiplexing (GFDM) consider a large scale multiple-input multiple-output (MIMO) system with a block circular matrix of combined channel and modulation. Exploiting this…

Signal Processing · Electrical Eng. & Systems 2018-12-17 Ahmad Nimr , Marwa Chafii , Gerhard Fettweis

This paper considers a wideband millimeter-wave MIMO system with fully digital transceivers at both the base station and the user equipment (UE), focusing on mobile scenarios. To reduce the baseband processing burden at the UE, we propose a…

Signal Processing · Electrical Eng. & Systems 2026-03-30 Yasaman Khorsandmanesh , Emil Bjornson , Joakim Jalden , Bengt Lindoff

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

This paper investigates the achievable sum rate of multiple-input multiple-output (MIMO) wireless systems employing linear minimum mean-squared error (MMSE) receivers. We present a new analytic framework which unveils an interesting…

Information Theory · Computer Science 2009-03-05 Matthew R. McKay , Iain B. Collings , Antonia M. Tulino

Hybrid analog and digital beamforming is a promising candidate for large-scale mmWave MIMO systems because of its ability to significantly reduce the hardware complexity of the conventional fully-digital beamforming schemes while being…

Information Theory · Computer Science 2017-11-23 Foad Sohrabi , Wei Yu

In this paper, we consider the amplify-and-forward relay networks in mmWave systems and propose a hybrid precoder/combiner design approach. The phase-only RF precoding/combining matrices are first designed to support multi-stream…

Information Theory · Computer Science 2019-11-01 Lisi Jiang , Hamid Jafarkhani
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