In this work, we present an optimal power allocation scheme dedicated for variable-hop cooperative relays in cognitive networks, which consists of Secondary ...

This paper focuses on the optimal relay selection and power allocation issue, which studies the communication between SS (Secondary Source) and two SDs ( ...

The research is based on a dual-hop scenario and a multi-hop scenario. The proposed schemes achieve the optimal power allocation and efficient relay selection ...

In this paper, we apply the innovative multi-objective optimization methods to the challenge posed by rate maximization, total transmission power ...

Dec 1, 2019 · This study investigates optimal power allocation (OPA) for maximising the energy efficiency (EE) of dual-hop underlay full-duplex cognitive ...

This paper obtains optimal power allocation to the data aggregator units (DAUs) and relays for cognitive wireless networks in a smart grid (SG).

Oct 22, 2012 · We formulate the joint bandwidth and power allocation problem with hybrid relaying protocol to maximize the sum network throughput. A greedy ...

This paper provides an analysis for the comparison of two representative cooperative relay strategies, decode and forward (DF) and amplify andforward (AF), ...

Resource allocation plays a key role in cooperative cognitive radio networks (CCRNs), which is influenced by channel capacity, user density, ...

Oct 22, 2012 · We formulate the joint bandwidth and power allocation problem with hybrid relaying protocol to maximize the sum network throughput. A greedy ...