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Pilot contamination problem in massive MIMO networks operating in time-division duplex (TDD) mode can limit their expected capacity to a great extent. This paper addresses this problem in cosine modulated multitone (CMT) based massive MIMO…

Information Theory · Computer Science 2014-06-20 Arman Farhang , Amir Aminjavaheri , Nicola Marchetti , Linda E. Doyle , Behrouz Farhang-Boroujeny

This paper considers signal detection in massive multiple-input multiple-output (MIMO) systems with general additive hardware impairments and one-bit quantization. First, we present the quantization-unaware and Bussgang decomposition-based…

Signal Processing · Electrical Eng. & Systems 2020-02-06 Özlem Tugfe Demir , Emil Björnson

Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is a novel scheme where the information bits are conveyed through the subcarrier activation pattern (SAP) and the symbols on the active subcarriers. Unfortunately,…

Information Theory · Computer Science 2022-05-30 Kee-Hoon Kim

Deploying massive number of antennas at the base station side can boost the cellular system performance dramatically. Meanwhile, it however involves significant additional radio-frequency (RF) front-end complexity, hardware cost and power…

Information Theory · Computer Science 2018-05-09 Zhiyuan Jiang , Sheng Zhou , Zhisheng Niu

Fused Deposition Modeling (FDM) is one of the most widely explored additive manufacturing method that uses thermoplastic materials to manufacture products. Mechanical properties of parts manufactured using FDM are influenced by different…

Materials Science · Physics 2022-02-14 Santosh Rajkumar

We consider a multi-cell massive multiple-input-multiple-output (MIMO) system with correlated Rayleigh fading channels, where pilot reuse is permitted within each cell (to reduce pilot overhead), and each base station (BS) utilizes…

Information Theory · Computer Science 2025-07-08 Masoud Elyasi , Azadeh Vosoughi

Massive MIMO is a promising technology in future wireless communication networks. However, it raises a lot of implementation challenges, for example, the huge pilot symbols and feedback overhead, requirement of real-time global CSI, large…

Information Theory · Computer Science 2014-06-13 Junting Chen , Vincent K. N. Lau

Structured illumination microscopy (SIM) achieves doubled spatial resolution by exciting the specimen with a high-contrast, high-frequency sinusoidal pattern. Such an excitation pattern can be generated by interference between multiple…

Optics · Physics 2020-07-15 Meiqi Li , Yaning Li , Wenhui Liu , Karl Zhanghao , Peng Xi

This paper studies the massive MIMO full-duplex relaying (MM-FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. Different from the…

Information Theory · Computer Science 2016-01-20 Xiaochen Xia , Dongmei Zhang , Kui Xu , Wenfeng Ma , Youyun Xu

This paper considers a single-cell massive MIMO (multiple-input multiple-output) system with dual-polarized antennas at both the base station and users. We study a channel model that includes the key practical aspects that arise when…

Information Theory · Computer Science 2022-09-21 Özgecan Özdogan , Emil Björnson

The recently introduced quantum particle swarm optimization (QPSO) algorithm is employed to find infinitesimal dipole models (IDM) for antennas with known near-fields (measured or computed). The IDM can predict accurately both the…

Classical Physics · Physics 2009-11-13 Said M. Mikki , Ahmed A. Kishk

We consider joint channel estimation and faulty antenna detection for massive multiple-input multiple-output (MIMO) systems operating in time-division duplexing (TDD) mode. For systems with faulty antennas, we show that the impact of faulty…

Information Theory · Computer Science 2017-09-21 Peng Zhang , Lu Gan , Cong Ling , Sumei Sun

The phase-locked loop (PLL) used in the doubly fed induction generator (DFIG) can cause frequency coupling phenomena, which will give negative resistance characteristics ofthe DFIG at low frequency, resulting in stability issues under weak…

Systems and Control · Electrical Eng. & Systems 2023-07-20 Xiaoling Xiong , Bochen Luo , Longcan Li , Ziming Sun , Frede Blaabjerg

Downlink channel estimation in massive MIMO systems is well known to generate a large overhead in frequency division duplex (FDD) mode as the amount of training generally scales with the number of transmit antennas. Using instead an…

Information Theory · Computer Science 2019-02-20 François Rottenberg , Rui Wang , Jianzhong Zhang , Andreas F. Molisch

Automatic modulation recognition (AMR) is a key technology in non-cooperative communication systems, aiming to identify the modulation scheme from signals without prior information. Deep learning (DL)-based methods have gained wide…

Signal Processing · Electrical Eng. & Systems 2025-12-05 Yunpeng Qu , Yazhou Sun , Bingyu Hui , Jintao Wang , Jian Wang

This paper considers the implementation and application possibilities of a compact full duplex multiple-input multiple-output (MIMO) architecture where direct communication exists between users, e.g., device-to-device (D2D) and cellular…

Information Theory · Computer Science 2017-03-27 MinKeun Chung , Min Soo Sim , Dong Ku Kim , Chan-Byoung Chae

Parallel least mean square-partial parallel interference cancelation (PLMS-PPIC) is a partial interference cancelation which employs adaptive multistage structure. In this algorithm the channel phases for all users are assumed to be known.…

Applications · Statistics 2007-10-24 Kamal Shahtalebi , Hamidreza Saligheh Rad , Golam Reza Bakhshi

This work investigates the reduction of phasor measurement unit (PMU) data through low-rank matrix approximations. To reconstruct a PMU data matrix from fewer measurements, we propose the framework of interpolatory matrix decompositions…

Systems and Control · Electrical Eng. & Systems 2025-10-24 Sean Reiter , Mark Embree , Serkan Gugercin , Vassilis Kekatos

In recent engineering applications using deep learning, physics-informed neural network (PINN) is a new development as it can exploit the underlying physics of engineering systems. The novelty of PINN lies in the use of partial differential…

Computational Engineering, Finance, and Science · Computer Science 2026-02-26 Kart Leong Lim , Rahul Dutta , Mihai Rotaru

In-band full-duplex systems promise to further increase the throughput of wireless systems, by simultaneously transmitting and receiving on the same frequency band. However, concurrent transmission generates a strong self-interference…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Andreas Toftegaard Kristensen , Alexios Balatsoukas-Stimming , Andreas Burg