Cloudsim power allocation for statistical qo s provisioning in opportunistic multi-relay df cognitive networks

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Ecwayt

POWER ALLOCATION FOR STATISTICAL QOS PROVISIONING IN
OPPORTUNISTIC MULTI-RELAY DF COGNITIVE NETWORKS
ABSTRACT:
We propose a power allocation scheme for statistical quality-of-service (QoS) provisioning in
multi-relay decode-and-forward (DF) cognitive networks (CN). By considering the direct link
between the source and destination, the CN first chooses the transmission mode (direct
transmission or relay transmission) based on the channel state information. Then, according to
the determined transmission mode, efficient power allocation will be performed under the given
QoS requirement, the average transmit and interference power constraints as well as the peak
interference constraint.
Our proposed power allocation scheme indicates that, in order to achieve the maximum
throughput, at most two relays can be involved for the transmission. Simulation results show that
our proposed scheme outperforms the max-min criterion and equal power allocation policy.
ECWAY TECHNOLOGIES
IEEE PROJECTS & SOFTWARE DEVELOPMENTS
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE
CELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111
VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com

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Cloudsim power allocation for statistical qo s provisioning in opportunistic multi-relay df cognitive networks

1. POWER ALLOCATION FOR STATISTICAL QOS PROVISIONING IN OPPORTUNISTIC MULTI-RELAY DF COGNITIVE NETWORKS ABSTRACT: We propose a power allocation scheme for statistical quality-of-service (QoS) provisioning in multi-relay decode-and-forward (DF) cognitive networks (CN). By considering the direct link between the source and destination, the CN first chooses the transmission mode (direct transmission or relay transmission) based on the channel state information. Then, according to the determined transmission mode, efficient power allocation will be performed under the given QoS requirement, the average transmit and interference power constraints as well as the peak interference constraint. Our proposed power allocation scheme indicates that, in order to achieve the maximum throughput, at most two relays can be involved for the transmission. Simulation results show that our proposed scheme outperforms the max-min criterion and equal power allocation policy. ECWAY TECHNOLOGIES IEEE PROJECTS & SOFTWARE DEVELOPMENTS OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE CELL: +91 98949 17187, +91 875487 2111 / 3111 / 4111 / 5111 / 6111 VISIT: www.ecwayprojects.com MAIL TO: ecwaytechnologies@gmail.com

Cloudsim power allocation for statistical qo s provisioning in opportunistic multi-relay df cognitive networks

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