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Topological interference management (TIM) can obtain degrees of freedom (DoF) gains with no channel state information at the transmitters (CSIT) except topological information of network in the interference channel. It was shown that TIM…

Signal Processing · Electrical Eng. & Systems 2018-10-11 Jong-Yoon Yoon , Jong-Seon No

In the two-user Gaussian interference channel with Gaussian inputs and treating interference as noise (TIN), improper complex signals can be beneficial if time-sharing is not allowed or if only the data rates are averaged over several…

Information Theory · Computer Science 2020-12-30 Christoph Hellings , Ferhad Askerbeyli , Wolfgang Utschick

This work studies linear interference networks, both wired and wireless, with no channel state information at the transmitters (CSIT) except a coarse knowledge of the end-to-end one-hop topology of the network that only allows a distinction…

Information Theory · Computer Science 2016-11-17 Syed A. Jafar

The simple scheme of treating interference as noise (TIN) is studied in this paper for the 3 x 2 X channel. A new sum-capacity upper bound is derived. This upper bound is transformed into a generalized degrees-of-freedom (GDoF) upper bound,…

Information Theory · Computer Science 2014-06-03 Soheil Gherekhloo , Anas Chaaban , Aydin Sezgin

We consider a $K$-user interference network with $M$ states, where each transmitter has $M$ messages and over State $m$, Receiver $k$ wishes to decode the first $\pi_k(m) \in \{1,2,\cdots,M\}$ messages from its desired transmitter. This…

Information Theory · Computer Science 2018-08-28 Xinping Yi , Hua Sun

Leveraging the advantage of satellite and terrestrial networks, the integrated satellite terrestrial networks (ISTNs) can help to achieve seamless global access and eliminate the digital divide. However, the dense deployment and frequent…

Networking and Internet Architecture · Computer Science 2023-12-14 Ziyue Zhang , Min Sheng , Junyu Liu , Jiandong Li

Managing interference in a network of macrocells underlaid with femtocells presents an important, yet challenging problem. A majority of spatial (frequency/time) reuse based approaches partition the users based on coloring the interference…

Information Theory · Computer Science 2015-04-28 Kartik Ahuja , Yuanzhang Xiao , Mihaela van der Schaar

For a long time, the vision community tries to learn the spatio-temporal representation by combining convolutional neural network together with various temporal models, such as the families of Markov chain, optical flow, RNN and temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Hao Shao , Shengju Qian , Yu Liu

We consider the uplink multiple access of heterogeneous users, e.g., ultra-reliable low-latency communications (URLLC) and enhanced mobile broadband (eMBB) users. Each user has its own reliability requirement and blocklength constraint, and…

Information Theory · Computer Science 2024-11-26 Min Qiu , Yu-Chih Huang , Jinhong Yuan

Femtocell networks are promising for not only improving the coverage but also increasing the capacity of current cellular networks. The interference-limited reality in femtocell networks makes interference management (IM) the key to…

Information Theory · Computer Science 2012-07-04 C. Yang , C. Jiang , M. Wang

We consider a multi-cell massive MIMO system where a time-division duplex protocol is used to estimate the channel state information via uplink pilots. When maximum ratio combining (MRC) is used at the BSs, the re-use of pilots across cells…

Information Theory · Computer Science 2019-11-26 Meysam Shahrbaf Motlagh , Subhajit Majhi , Patrick Mitran

A simple line network model is proposed to study the downlink cellular network. Without base station cooperation, the system is interference-limited. The interference limitation is overcome when the base stations are allowed to jointly…

Information Theory · Computer Science 2009-09-28 Chris T. K. Ng , Howard Huang

We investigate the performance of a scheduling algorithm where the Mobile Terminals (MTs) may be turned off if they cause a level of interference greater than a given threshold. This approach, which is referred to as Interference Aware…

Information Theory · Computer Science 2024-10-30 F. J. Martin-Vega , M. C. Aguayo-Torres , G. Gomez , M. Di Renzo

Heterogeneous networks (HetNets) have strong interference due to spectrum reuse. This affects the signal-to-interference ratio (SIR) of each user, and hence is one of the limiting factors of network performance. However, in previous works,…

Information Theory · Computer Science 2015-04-27 Yueping Wu , Ying Cui , Bruno Clerckx

Future multi-tier communication networks will require enhanced network capacity and reduced overhead. In the absence of Channel State Information (CSI) at the transmitters, Blind Interference Alignment (BIA) and Topological Interference…

Information Theory · Computer Science 2016-02-01 Vaia Kalokidou , Oliver Johnson , Robert Piechocki

The coexistence of terrestrial networks (TN) and non-terrestrial networks (NTN) in the frequency range 3 (FR3) upper mid-band presents considerable interference concerns, as dense TN deployments can severely degrade NTN downlink…

Information Theory · Computer Science 2026-02-12 Pradyumna Kumar Bishoyi , Chia Chia Lee , Navid Keshtiarast , Marina Petrova

MIMO Z Channel is investigated in this paper. We focus on how to tackle the interference when different users try to send their codewords to their corresponding receivers while only one user will cause interference to the other. We assume…

Information Theory · Computer Science 2012-04-03 Ian Lim

Dynamic Time Division Duplex (TDD) has been introduced as a solution to deal with the uplink and downlink traffic asymmetry, mainly observed for dense heterogeneous network deployments. However, the use of this feature requires new…

Networking and Internet Architecture · Computer Science 2018-05-18 Jalal Rachad , Ridha Nasri , Laurent Decreusefond

We define a multiaccess communication scheme that effectively eliminates interference and resolves collisions in many-to-one and many-to-many communication scenarios. Each transmitter is uniquely identified by a steering vector. All signals…

Networking and Internet Architecture · Computer Science 2017-03-02 Naeem Akl , Ahmed Tewfik

We study the problem of interference management in fast fading wireless networks, in which the transmitters are only aware of network topology. We consider a class of retransmission-based schemes, where transmitters in the network are only…

Information Theory · Computer Science 2015-02-12 Navid Naderializadeh , Aly El Gamal , A. Salman Avestimehr