Multi-user cognitive interference channels: A survey and new capacity results

D Maamari, D Tuninetti… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper provides a survey of the state-of-the-art information theoretic analysis for overlay
multi-user (more than two pairs) cognitive networks and reports new capacity results. In an …

Approximate sum-capacity of K-user cognitive interference channels with cumulative message sharing

D Maamari, D Tuninetti… - IEEE Journal on Selected …, 2014 - ieeexplore.ieee.org
This paper considers the K-user cognitive interference channel with one primary and K-1
secondary/cognitive transmitters with a cumulative message sharing structure, ie, cognitive …

Three-user cognitive interference channel: Capacity region with strong interference

M Mirmohseni, B Akhbari, MR Aref - IET communications, 2012 - IET
This study investigates the capacity region of a three-user cognitive radio network with two
primary users and one cognitive user. A three-user cognitive interference channel (C-IFC) is …

Lattice codes for many-to-one interference channels with and without cognitive messages

J Zhu, M Gastpar - IEEE Transactions on Information Theory, 2015 - ieeexplore.ieee.org
A new achievable rate region is given for the Gaussian cognitive many-to-one interference
channel. The proposed novel coding scheme is based on the compute-and-forward …

Approximate sum-capacity of K-user cognitive interference channels with cumulative message sharing

D Maamari, D Tuninetti, N Devroye - arXiv preprint arXiv:1301.6198, 2013 - arxiv.org
This paper considers the K user cognitive interference channel with one primary and K-1
secondary/cognitive transmitters with a cumulative message sharing structure, ie cognitive …

The sum-capacity of the linear deterministic three-user cognitive interference channel

D Maamari, D Tuninetti… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
Inspired by cognitive networks, we consider the linear deterministic three-user cognitive
interference channel with one primary and two secondary/cognitive transmitters which …

New achievable rates for Gaussian partially cognitive interference channels with multiple cognitive pairs

N Schrammar, M Skoglund, C Wang… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
This paper characterizes achievable rate regions for the Gaussian partially cognitive
interference channel with multiple cognitive pairs (K-PCIFC), where the cognitive …

Adaptive cooperative transmission and spectrum sharing in MIMO-CCRN

Z Li, X Kong, J Li - … Symposium on Personal, Indoor, and Mobile …, 2014 - ieeexplore.ieee.org
A two-phase spatiotemporal adaptive transmission and spectrum sharing mechanism is
designed for multi-input multi-output cooperative cognitive radio network (MIMO-CCRN). By …

On the K-user cognitive interference channel with cumulative message sharing sum-capacity

D Maamari, D Tuninetti… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
This paper considers the K-user cognitive interference channel with one primary and K-1
secondary/cognitive transmitters with a cumulative message sharing structure, ie, cognitive …

Capacity and Spectral Efficiency of Interference Avoiding Cognitive Radio with Imperfect Detection

A Patel, MZA Khan, SN Merchant, UB Desai - arXiv preprint arXiv …, 2012 - arxiv.org
In this paper, we consider a model in which the unlicensed or the Secondary User (SU)
equipped with a Cognitive Radio (CR)(together referred to as CR) interweaves its …