Underlay cognitive radios with finite transmission modes and capacity guarantees for primary users

AG Marques, J Ramos, C Figuera… - … Conference Record of …, 2012 - ieeexplore.ieee.org
… spectrum management and wireless cognitive radios (CRs). … information of primary links
guarantees that interference is kept … We focus on underlay CRs where SUs adapt their available …

Underlay Cognitive Radios with Capacity Guarantees for Primary Users

AG Marques - arXiv preprint arXiv:1212.4198, 2012 - arxiv.org
… have designed schemes either guaranteeing a minimum capacity (rate) for the PU or limiting
the capacity-loss at the PU receiver [8], [19]. Providing guarantees on the capacity of the PU …

Effective capacity optimization for cognitive radio network based on underlay scheme in gamma fading channels

M Elalem, L Zhao - 2013 International Conference on …, 2013 - ieeexplore.ieee.org
… allocation scheme is developed with statistically guaranteed delay QoS for the underlay
DSA scheme to achieve maximum capacity. The concept of effective capacity proposed in [6] is …

Resource allocation for spectrum underlay in cognitive radio networks

LB Le, E Hossain - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
… layer protocol with sensing capability is important to perform … to perform admission control
to guarantee QoS constraints for … in a cognitive radio network based on spectrum underlay. …

Benefits of improper signaling for underlay cognitive radio

C Lameiro, I Santamaría… - IEEE Wireless …, 2014 - ieeexplore.ieee.org
… typically been assumed due to the fact that these are capacity achieving in the point-to-point, …
underlay CR, where the SUs are allowed to coexist with the PUs as long as they guarantee

Resource allocation for underlay cognitive radio networks: A survey

M El Tanab, W Hamouda - IEEE Communications Surveys & …, 2016 - ieeexplore.ieee.org
Cognitive capability is the ability to sense information from the surrounding radio … [78]
formulated a two-stage optimization problem for an ad-hoc underlay CRN to guarantee minimum …

Optimal power control for underlay cognitive radio systems with arbitrary input distributions

G Ozcan, MC Gursoy - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
… first-order ergodic capacity expressions for underlay cognitive radio systems operating in …
For a constant t, it was shown that convergence to the optimal λ value is guaranteed within a …

On joint power and admission control in underlay cellular cognitive radio networks

M Monemi, M Rasti, E Hossain - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
cognitive radio networks based on spectrum underlay. Subject to the constraint of guaranteeing
the QoS of the currently active PUs in cognitive … We assume Ti to be the channel capacity

On hybrid cooperation in underlay cognitive radio networks

NH Mahmood, F Yilmaz, GE Oien… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
capacity of the secondary system considering the proposed hybrid cooperation scheme can
be evaluated using the earlier derived MGF. Assuming the Shannon capacity … to guarantee

MIMO underlay cognitive radio: Optimized power allocation, effective number of transmit antennas and harvest-transmit tradeoff

NI Miridakis, TA Tsiftsis… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… Such a constraint guarantees that the received SINR at the … Its great potential can find direct
application in underlay CR … conventional underlay CR approach in terms of channel capacity