Paper Info
Title
An Optimal Power Allocation Scheme For Device-To-Device Communications In A Cellular Ofdm System
Abstract
We propose an optimal power allocation scheme that maximizes the transmission rate of device-to-device (D2D) communications underlaying a cellular system based on orthogonal frequency division multiplexing (OFDM). The proposed algorithm first calculates the maximum allowed transmission power of a D2D transmitter to restrict the interference caused to a cellular link that share the same OFDM subchannels with the D2D link. Then, with a constraint on the maximum transmit power, an optimization of water-filling type is performed to find the optimal transmit power allocation across subchannels and within each subchannel. The performance of the proposed power allocation scheme is evaluated in terms of the average achievable rate of the D2D link.
Year
DOI
Venue
2020
10.1587/transfun.2020EAL2014
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Keywords
DocType
Volume
device to device communications, orthogonal frequency division multiplexing, power allocation
Journal
E103A
Issue
ISSN
Citations 
12
0916-8508
0
PageRank 
References 
Authors
0.34
0
3
Name
Order
Citations
PageRank
Gil-Mo Kang122.48
Cheolsoo Park232.44
Oh-Soon Shin362063.13