Title
Efficient Network-Coded Relaying Systems With Energy Harvesting And Transferring
Abstract
In this paper, a multi-user multi-relay network with wireless energy harvesting (EH) and transferring (ET) is studied. In our system, a simultaneous two-level cooperation, i.e., information-level and energy-level cooperation is conducted for uplink data transmissions (from the users to a destination). Specifically, network coding is employed at the relays to facilitate the information-level cooperation; meanwhile, ET is adopted to share the harvested energy among the users for the energy-level cooperation. The energy minimization problem that takes into account the energy causality and outage probability constraints is formulated. However, the optimization problem is non-convex and hard to be solved directly. Alternatively, an approximation technique is adopted to convert it into a convex one. By solving the convex problem, efficient power allocation and ET policies are designed. Numerical results show that the proposed algorithm is able to achieve a near-optimal performance and outperforms the state of arts.
Year
Venue
Field
2017
2017 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC)
Linear network coding,Computer science,Energy harvesting,Computer network,Communications system,Wireless sensor network,Convex optimization,Optimization problem,Energy minimization,Telecommunications link
DocType
ISSN
Citations 
Conference
1550-3607
0
PageRank 
References 
Authors
0.34
10
6
Name
Order
Citations
PageRank
Nan Qi120.71
Ming Xiao218824.86
Theodoros A. Tsiftsis31406116.77
lin zhang422.80
Mikael Skoglund5226.07
Hui-sheng Zhang615924.84