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We consider the full-duplex (FD) two-way amplify-and-forward relay system with imperfect cancelation of loopback self-interference (SI) and investigate joint design of relay and receive beamforming for minimizing the mean square error under…

Information Theory · Computer Science 2016-06-28 Yeonggyu Shim , Wan Choi , Hyuncheol Park

Large-scale multiple-input multiple-output (MIMO) with high spectrum and energy efficiency is a very promising key technology for future 5G wireless communications. For large-scale MIMO systems, accurate channel state information (CSI)…

Information Theory · Computer Science 2015-11-30 Zhen Gao , Linglong Dai , Zhaocheng Wang

A dual-scale deployment (DSD) framework is proposed for pinching antenna systems (PASS), under which four protocols are provided. 1) For the coarse-scale deployment, the pinching antenna (PA) is transferred over a large-scale range at the…

Information Theory · Computer Science 2026-05-18 Xu Gan , Zhaolin Wang , Yuanwei Liu

In this paper, we propose a multi-channel full-duplex Medium Access Control (MAC) protocol for cognitive radio networks (MFDC-MAC). Our design exploits the fact that full-duplex (FD) secondary users (SUs) can perform spectrum sensing and…

Information Theory · Computer Science 2016-02-02 Tan Le Thanh , Long Bao Le

In recent years, several experimental studies have come out to validate the theoretical findings of interference alignment (IA), but only a handful of studies have focused on blind interference alignment. Unlike IA and other interference…

Information Theory · Computer Science 2016-03-31 Simon Begashaw , James Chacko , Nikhil Gulati , Danh H. Nguyen , Nagarajan Kandasamy , Kapil R. Dandekar

This paper considers a deterministic physical model of massive multiple-input multiple-output (MIMO) systems with uniform linear antenna arrays. It is known that the maximum spatial degrees of freedom is achieved by spacing antenna elements…

Information Theory · Computer Science 2016-01-22 Keigo Takeuchi

Movable antennas (MAs) enhance flexibility in beamforming gain and interference suppression by adjusting position within certain areas of the transceivers. In this paper, we propose an MA-assisted integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Chengjun Jiang , Chensi Zhang , Chongwen Huang , Jianhua Ge , Dusit Niyato , Chau Yuen

This paper focuses on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information (CSI). In this paper, two algorithms are proposed to improve the throughput of the…

Information Theory · Computer Science 2018-04-02 Ali Dalir , Hassan Aghaeinia , Mohammad Kazemi

In this paper, we propose a transceiver architecture for full-duplex (FD) eNodeB (eNB) and FD user equipment (UE) transceiver. For FD communication,.i.e., simultaneous in-band uplink and downlink operation, same subcarriers can be allocated…

Networking and Internet Architecture · Computer Science 2015-09-11 Chandan Pradhan , Garimella Rama Murthy

Next-generation communication systems with wide bandwidths need to operate in interference-limited networks. A discrete-time delay (TD) technique in a baseband receiver array is proposed for canceling wide modulated bandwidth spatial…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Erfan Ghaderi , Ajith Ramani , Arya Rahimi , Sudip Shekhar , Subhanshu Gupta

Wireless systems with inband full-duplex transceiver typically require multiple lines of defense against the effect of harsh self-interference, specifically, to avoid saturation of the analog-to-digital converter (ADC) in the receiver. We…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Niklas Knaepper , Gerald Enzner , Aleksej Chinaev

One of the key enablers for the realization of a variety of unmanned aerial vehicle (UAV)-based systems is the high-performance communication system linking many UAVs and ground station. We have proposed a spectrum-efficient full-duplex…

Information Theory · Computer Science 2022-11-07 Tao Yu , Kento Kajiwara , Kiyomichi Araki , Kei Sakaguchi

Vehicular communication systems have been an active subject of research for many years and are important technologies in the 5G and the post-5G era. One important use case is platooning which is seemingly the first step towards fully…

Information Theory · Computer Science 2021-01-14 Michail Palaiologos , Jian Luo , Richard A. Stirling-Gallacher , Giuseppe Caire

The sixth-generation (6G) wireless technology recognizes the potential of reconfigurable intelligent surfaces (RIS) as an effective technique for intelligently manipulating channel paths through reflection to serve desired users.…

Information Theory · Computer Science 2023-11-21 Li-Hsiang Shen , Chia-Jou Ku , Kai-Ten Feng

Wireless communication systems can be enhanced at the link level, in medium access, and at the network level when transceivers are equipped with full-duplex capability: the transformative ability to simultaneously transmit and receive over…

Signal Processing · Electrical Eng. & Systems 2022-10-18 Ian P. Roberts , Himal A. Suraweera

One of the promising technologies for LTE Evolution is full-duplex radio, an innovation is expected to double the spectral efficiency. To realize full-duplex in practice, the main challenge is overcoming self-interference, and to do so,…

Information Theory · Computer Science 2017-02-16 Min Soo Sim , MinKeun Chung , Dongkyu Kim , Jaehoon Chung , Dong Ku Kim , Chan-Byoung Chae

Antenna selection (AS) is regarded as the key promising technology to reduce hardware cost but keep relatively high spectral efficiency in multi-antenna systems. By selecting a subset of antennas to transceive messages, AS greatly…

Signal Processing · Electrical Eng. & Systems 2018-12-18 Chongjun Ouyang , Hongwen Yang

Recent applications of the Full Duplex (FD) technology focus on enabling simultaneous control communication and data transmission to reduce the control information exchange overhead, which impacts end-to-end latency and spectral efficiency.…

Information Theory · Computer Science 2021-09-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

Hybrid multiple-antenna transceivers, which combine large-dimensional analog pre/postprocessing with lower-dimensional digital processing, are the most promising approach for reducing the hardware cost and training overhead in massive MIMO…

Information Theory · Computer Science 2017-05-02 Andreas F. Molisch , Vishnu V. Ratnam , Shengqian Han , Zheda Li , Sinh Le Hong Nguyen , Linsheng Li , Katsuyuki Haneda

We consider a multiuser (MU) multiple-input multiple-output (MIMO) time-division duplexing (TDD) system in which the base station (BS) is equipped with a large number of antennas for communicating with single-antenna mobile users. In such a…

Information Theory · Computer Science 2013-12-05 Ko-Feng Chen , Yen-Cheng Liu , Yu T. Su