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Reconfigurable intelligent surfaces (RIS) are a key enabler of various new applications in 6G smart radio environments. By utilizing an RIS prototype system, this paper aims to enhance self-interference (SI) cancellation for in-band…

信号处理 · 电气工程与系统科学 2022-08-31 Simon Tewes , Markus Heinrichs , Paul Staat , Rainer Kronberger , Aydin Sezgin

Full-duplex (FD) wireless can significantly enhance spectrum efficiency but requires tremendous amount of self-interference (SI) cancellation. Recent advances in the RFIC community enabled wideband RF SI cancellation (SIC) in integrated…

信号处理 · 电气工程与系统科学 2018-12-05 Tingjun Chen , Mahmood Baraani Dastjerdi , Jin Zhou , Harish Krishnaswamy , Gil Zussman

In this manuscript, we propose a design method of digital filters which cancel coupling waves generated in single-frequency full-duplex wireless relay stations by using the sampled-data H-infinity control theory. Simulation results show…

信息论 · 计算机科学 2014-12-25 Hampei Sasahara , Masaaki Nagahara , Kazunori Hayashi , Yutaka yamamoto

The necessity of accurate channel estimation for Successive and Parallel Interference Cancellation is well known. Iterative channel estimation and channel decoding (for instance by means of the Expectation-Maximization algorithm) is…

信息论 · 计算机科学 2016-11-17 Francisco Lazaro Blasco , Francesco Rossetto

The employment of partial zero-forcing (PZF) receivers at the base stations represents an efficient and low-complexity technique for uplink interference management in cellular networks. In this paper, we focus on the performance analysis of…

信息论 · 计算机科学 2016-11-24 Italo Atzeni , Marios Kountouris

A full-duplex two-way relay channel with multiple antennas is considered. For this three-node network, the beamforming design needs to suppress self-interference. While a traditional way is to apply zero-forcing for self-interference…

信息论 · 计算机科学 2016-10-18 Zhigang Wen , Shuai Wang , Xiaoqing Liu , Junwei Zou

We consider a wireless system with a full-duplex (FD) access point (AP) that transmits to a scheduled user in the downlink (DL) channel, while receiving data from an user in the uplink (UL) channel at the same time on the same frequency. In…

信息论 · 计算机科学 2016-11-15 Mohammadali Mohammadi , Himal A. Suraweera , Ioannis Krikidis , Chintha Tellambura

As a key in cognitive radio networks (CRNs), dynamic spectrum access needs to be carefully designed to minimize the interference and delay to the \emph{primary} (licensed) users. One of the main challenges in dynamic spectrum access is to…

信息论 · 计算机科学 2011-05-03 Wenchi Cheng , Xi Zhang , Hailin Zhang

We consider a full-duplex decode-and-forward system, where the wirelessly powered relay employs the time-switching protocol to receive power from the source and then transmit information to the destination. It is assumed that the relay node…

信息论 · 计算机科学 2016-11-15 Mohammadali Mohammadi , Himal A. Suraweera , Gan Zheng , Caijun Zhong , Ioannis Krikidis

Downlink spatial intercell interference cancellation (ICIC) is considered for mitigating other-cell interference using multiple transmit antennas. A principle question we explore is whether it is better to do ICIC or simply standard…

信息论 · 计算机科学 2009-09-22 Jun Zhang , Jeffrey G. Andrews

In this paper, the digital self-interference (SI) cancellation in a single radio frequency (RF) chain massive multi-input multi-output (MIMO) full-duplex (FD) orthogonal frequency division multiplexing (OFDM) system with phase noise is…

信息论 · 计算机科学 2023-08-11 Meng He , Chuan Huang

In this paper, we consider a Gaussian multiple access channel with multiple independent additive white Gaussian interferences. Each interference is known to exactly one transmitter non-causally. The capacity region is characterized to…

信息论 · 计算机科学 2011-02-25 I-Hsiang Wang

In this article, we propose sampled-data H-infinity design of digital filters that cancel the continuous-time effect of coupling waves in a single-frequency full-duplex relay station. In this study, we model a relay station as a…

系统与控制 · 计算机科学 2014-07-29 Masaaki Nagahara , Hampei Sasahara , Kazunori Hayashi , Yutaka Yamamoto

In this paper, we propose a wideband Full Duplex (FD) Multiple-Input Multiple-Output (MIMO) communication system comprising of an FD MIMO node simultaneously communicating with two multi-antenna UpLink (UL) and DownLink (DL) nodes utilizing…

信息论 · 计算机科学 2021-12-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

Cellular uplink analysis has typically been undertaken by either a simple approach that lumps all interference into a single deterministic or random parameter in a Wyner-type model, or via complex system level simulations that often do not…

信息论 · 计算机科学 2016-11-17 Thomas D. Novlan , Harpreet S. Dhillon , Jeffrey G. Andrews

Rapid evolution of wireless medical devices and network technologies has fostered the growth of remote monitoring systems. Such new technologies enable monitoring patients' medical records anytime and anywhere without limiting patients'…

信号处理 · 电气工程与系统科学 2020-06-30 Alaa Awad Abdellatif , Lutfi Samara , Amr Mohamed , Mohsen Guizani , Aiman Erbad , Abdulla Al-Ali

Radio frequency transceivers operating in in-band full-duplex or frequency-division duplex mode experience strong transmitter leakage. Combined with receiver nonlinearities, this causes intermodulation products in the baseband, possibly…

信号处理 · 电气工程与系统科学 2021-06-08 Thomas Paireder , Christian Motz , Mario Huemer

The performance gain by allowing half-duplex source cooperation is studied for Gaussian interference channels. The source cooperation is {\em in-band}, meaning that each source can listen to the other source's transmission, but there is no…

信息论 · 计算机科学 2014-02-06 Rui Wu , Vinod Prabhakaran , Pramod Viswanath , Yi Wang

Full duplex (FD) communications has the potential to double the capacity of a half duplex (HD) system at the link level. However, FD operation increases the aggregate interference on each communication link, which limits the capacity…

网络与互联网体系结构 · 计算机科学 2015-10-01 Sanjay Goyal , Pei Liu , Shivendra Panwar , Rui Yang , Robert A. DiFazio , Erdem Bala

There have been recent works on enabling in-band full-duplex operation using millimeter-wave (mmWave) transceivers. These works are based solely on creating sufficient isolation between a transceiver's transmitter and receiver via…

信号处理 · 电气工程与系统科学 2020-02-07 Ian P. Roberts , Hardik B. Jain , Sriram Vishwanath