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Khanna and Sudan \cite{KS11} studied a natural model of continuous time channels where signals are corrupted by the effects of both noise and delay, and showed that, surprisingly, in some cases both are not enough to prevent such channels…

Information Theory · Computer Science 2012-05-15 Ioana Ivan , Michael Mitzenmacher , Justin Thaler , Henry Yuen

A constant K-user interference channel in which the users are not symbol-synchronous is considered. It is shown that the asynchronism among the users facilitates aligning interfering signals at each receiver node while it does not affect…

Information Theory · Computer Science 2015-03-17 Mehdi Torbatian , Hossein Najafi , Mohamed Oussama Damen

In these series of multi-part papers, a systematic study of fundamental limits of communications in interference networks is established. Here, interference network is referred to as a general single-hop communication scenario with…

Information Theory · Computer Science 2013-02-18 Reza K. Farsani

In future wireless networks, a significant number of users will be vehicular. One promising solution to improve the capacity for these vehicular users is to employ moving relays or car base stations. The system forms cell inside the vehicle…

Systems and Control · Computer Science 2015-05-27 Byungjin Cho , Konstantinos Koufos , Kalle Ruttik , Riku Jäntti

The concepts of MIMO MC-CDMA are not new but the new technologies to improve their functioning are an emerging area of research. In general, most mobile communication systems transmit bits of information in the radio space to the receiver.…

Networking and Internet Architecture · Computer Science 2011-12-12 K. Sureshkumar , R. Rajalakshmi , A. Vetrikanimozhi

In this paper, we investigate the impact of channel aging on the performance of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with pilot contamination. To take into account the channel aging effect due to user…

Information Theory · Computer Science 2020-08-26 Jiakang Zheng , Jiayi Zhang , Emil Björnson , Bo Ai

In this paper, we look at the problem of treating interference as noise (TIN) in the Gaussian interfering multiple access channel (IMAC). The considered network comprises $K$ mutually interfering multiple access channels (MACs), each…

Information Theory · Computer Science 2018-05-15 Hamdi Joudeh , Bruno Clerckx

We propose a coordination scheme to minimize the interference between users in a cellular network with full-duplex base stations and half-duplex user devices. Our scheme exploits signal attenuation from obstacles between the users by (i)…

Information Theory · Computer Science 2016-03-07 Melissa Duarte , Afef Feki , Stefan Valentin

In this paper, we present an interference model for cognitive radio (CR) networks employing power control, contention control or hybrid power/contention control schemes. For the first case, a power control scheme is proposed to govern the…

Information Theory · Computer Science 2016-11-17 Zengmao Chen , Cheng-Xiang Wang , Xuemin Hong , John Thompson , Sergiy A. Vorobyov , Xiaohu Ge , Hailin Xiao , Feng Zhao

Interference effects are an important consequence of a correct description in physics theories within and beyond the Standard Model (SM) of particle physics. However, many current theoretical descriptions as well as experimental searches…

High Energy Physics - Phenomenology · Physics 2026-02-03 Tania Robens

We study the problem of inter cell interference coordination (ICIC) with fixed transmit power in OFDMA-based cellular networks, in which each base station (BS) needs to decide as to which subchannel, if any, to allocate to each of its…

Signal Processing · Electrical Eng. & Systems 2019-12-30 Vaibhav Kumar Gupta , Gaurav S. Kasbekar

Radio astronomy is vulnerable to interference from a variety of anthropogenic sources. Among the many strategies for mitigation of this interference is coherent time-domain canceling (CTC), which ideally allows one to "look through"…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 S. W. Ellingson , R. M. Buehrer

In this paper, we investigate the spatial-wideband effects in cell-free massive MIMO (CF-mMIMO) systems in mmWave bands. The utilization of mmWave frequencies brings challenges such as signal attenuation and the need for denser networks…

Information Theory · Computer Science 2023-07-07 Seyoung Ahn , Soohyeong Kim , Yongseok Kwon , Joohan Park , Jiseung Youn , Sunghyun Cho

Traditional studies of multi-source, multi-terminal interference channels typically allow a vanishing probability of error in communication. Motivated by the study of network coding, this work addresses the task of quantifying the loss in…

Information Theory · Computer Science 2013-07-30 Ilia Levi , Dan Vilenchik , Michael Langberg , Michelle Effros

Analyzing heterogeneous cellular networks (HCNs) has become increasingly complex, particularly due to irregular base station locations, massive deployment of small cells, and flexible resource allocation. The latter is usually not captured…

Information Theory · Computer Science 2014-08-27 Ralph Tanbourgi , Friedrich K. Jondral

To optimize the use of the spectrum, it is expected that the next generation of wireless networks (5G) will enable coexistence of newly introduced services with legacy cellular networks. These new services, like Device-To-Device (D2D)…

Information Theory · Computer Science 2016-09-09 Quentin Bodinier , Faouzi Bader , Jacques Palicot

In IEEE 802.11 based wireless networks adding more access points does not always guarantee an increase of network capacity. In some cases, additional access points may contribute to degrade the aggregated network throughput as more…

Networking and Internet Architecture · Computer Science 2015-09-15 Saravanan Kandasamy , Ricardo Morla , Manuel Ricardo

National Telecommunications and Information Administration (NTIA) has proposed vast exclusions zones between radar and Worldwide Interoperability for Microwave Access (WiMAX) (WiMAX) systems which are also being considered as geographic…

Networking and Internet Architecture · Computer Science 2014-12-02 Mo Ghorbanzadeh , Eugene Visotsky , Weidong Yang , Prakash Moorut , Charles Clancy

The lack of interoperability between cellular access networks has long been a challenging burden, which telecommunication engineers and researchers are trying to overcome. In second generation networks for example, this problem lies in the…

Networking and Internet Architecture · Computer Science 2015-06-05 Hasni Neji , Ridha Bouallegue

Caching is an effective technique to improve user perceived experience for content delivery in wireless networks. Wireless caching differs from traditional web caching in that it can exploit the broadcast nature of wireless medium and hence…

Information Theory · Computer Science 2017-05-16 Youlong Cao , Meixia Tao , Fan Xu , Kangqi Liu
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