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The next generation network aims to efficiently deploy low cost and low power cellular base station in the subscriber's home environment. For the femtocell deployment, frequency allocation among femtocells and macrocell is big concern to…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Yeong Min Jang , Zygmunt J. Haas

With the rapid deployment of 5G systems, remote interference (RI) caused by atmospheric ducting has emerged as an occasional, but critical challenge. This phenomenon occurs when the downlink (DL) signals from distant base stations (BSs)…

Information Theory · Computer Science 2025-10-14 Xuyang Sun , Hussein A. Ammar , Israfil Bahceci , Raviraj Adve , Gary Boudreau , Zehua Li

Interference is traditionally viewed as a performance limiting factor in wireless communication systems, which is to be minimized or mitigated. Nevertheless, a recent line of work has shown that by manipulating the interfering signals such…

In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with CSI significantly hampers the throughput improvements. Recent…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Fan Qi , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Intelligent reflecting surface (IRS) is a promising new paradigm to achieve high spectral and energy efficiency for future wireless networks by reconfiguring the wireless signal propagation via passive reflection. To reap the potential…

Information Theory · Computer Science 2022-10-26 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

In this paper, we investigate a multi-cell six-dimensional movable antenna (6DMA) network for enhancing downlink communication performance under inter-cell interference (ICI). Each base station (BS) is equipped with multiple 6DMA surfaces,…

Information Theory · Computer Science 2026-05-22 Qijun Jiang , Xiaodan Shao , Rui Zhang

Passive space-borne radiometers operating in the 1400-1427 MHz protected frequency band face radio frequency interference (RFI) from terrestrial sources. With the growth of wireless devices and the appearance of new technologies, the…

Machine Learning · Computer Science 2023-04-27 Ali Owfi , Fatemeh Afghah

This paper proposes interference mitigation techniques for provisioning ultrareliable low-latency wireless communication in an industrial automation setting, where multiple transmissions from controllers to actuators interfere with each…

Information Theory · Computer Science 2019-03-12 S. Arvin Ayoughi , Wei Yu , Saeed R. Khosravirad , Harish Viswanathan

A novel technique is proposed which enables each transmitter to acquire global channel state information (CSI) from the sole knowledge of individual received signal power measurements, which makes dedicated feedback or inter-transmitter…

Networking and Internet Architecture · Computer Science 2017-07-04 Chao Zhang , Vineeth Varma , Samson Lasaulce , Raphael Visoz

Device-free wireless sensing attracts enormous attentions since it senses the environment without additional devices. While cellular signals are good opportunistic radio sources, the influence of inter-cell interference (ICI) on wireless…

Signal Processing · Electrical Eng. & Systems 2024-01-05 Rui Peng , Yafei Tian , Shengqian Han

We propose a hierarchical interference mitigation scheme for massive MIMO cellular networks. The MIMO precoder at each base station (BS) is partitioned into an inner precoder and an outer precoder. The inner precoder controls the intra-cell…

Information Theory · Computer Science 2015-06-16 An Liu , Vincent Lau

Femtocells are an emerging technology aimed at providing gains to both network operators and end-users. These gains come at a cost of increased interference, specifically the cross network interference between the macrocell and femtocell…

Networking and Internet Architecture · Computer Science 2013-12-10 Brett Kaufman , Jorma Lilleberg , Behnaam Aazhang

This paper proposes a spectrum-efficient nonorthogonal affine frequency division multiplexing (AFDM) waveform for reliable high-mobility communications in the upcoming sixth-generation (6G) mobile systems. Our core idea is to introduce a…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Yu Zhang , Qin Yi , Leila Musavian , Tongyang Xu , Zilong Liu

Conventional orthogonal frequency division multiplexing (OFDM) waveform design in integrated sensing and communications (ISAC) systems usually selects the channels with high-frequency responses to transmit communication data, which does not…

Signal Processing · Electrical Eng. & Systems 2023-12-27 Qinghui Lu , Zhen Du , Zenghui Zhang

In this paper, we address inter-beam inter-cell interference mitigation in 5G networks that employ millimeter-wave (mmWave), beamforming and non-orthogonal multiple access (NOMA) techniques. Those techniques play a key role in improving…

Networking and Internet Architecture · Computer Science 2021-03-10 Medhat Elsayed , Kevin Shimotakahara , Melike Erol-Kantarci

The fifth generation (5G) of the wireless communication networks supports wide diversity of service classes, leading to a highly dynamic uplink (UL) and downlink (DL) traffic asymmetry. Thus, dynamic time division duplexing (TDD) technology…

Signal Processing · Electrical Eng. & Systems 2019-02-11 Ali A. Esswie , Klaus I. Pedersen

Full-duplex (FD) is an attractive technology that can significantly boost the throughput of wireless communications. However, it is limited by the severe self-interference (SI) from the transmitter to the local receiver. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Jiayan Wu , Wenchi Cheng , Jianyu Wang , Jingqing Wang , Wei Zhang

Integrated sensing and communication (ISAC) base stations can provide communication and wide range sensing information for vehicles via downlink (DL) transmission, thus enhancing vehicle driving safety. One major challenge for realizing…

Performance · Computer Science 2023-10-13 Wangjun Jiang , Zhiqing Wei , Fan Liu , Zhiyong Feng , Ping Zhang

Coordinated beamforming (Co-BF) is a key multi-access-point coordination (MAPC) technique for dense Wi-Fi deployments, but its performance can be hindered by the large channel state information (CSI) feedback required through channel…

Networking and Internet Architecture · Computer Science 2026-04-16 Ibrahim Aboushehada , Boris Bellalta , Giovanni Geraci , Lorenzo Galati Giordano

In this paper, we explore the information-theoretic optimality of treating interference as noise (TIN) in cellular networks. We focus on uplink scenarios modeled by the Gaussian interfering multiple access channel (IMAC), comprising $K$…

Information Theory · Computer Science 2019-04-25 Hamdi Joudeh , Bruno Clerckx