Paper Info
Title
A link adaptive scheme for multihop cellular systems using congestion feedback
Abstract
LTE-Advanced standards contemplate support for heterogeneous networks, through the use of relays, as well as the ability to perform carrier aggregation in order to achieve higher data rates. In this paper, we model the User Equipment's (UE) ability to select its current point-of-access to the network (either a relay or the base station), aggregate additional channels, and perform power adaptations. The adaptations by UEs affect one another, by impacting the interference conditions in the network as well as congestion conditions in the relay-to-base station links. We propose an adaptation mechanism whereby the UEs consider these factors and select their transmit power, channels, and point of access to the network to optimize a combination of achieved data rate and energy consumption. Our results show these adaptations to be more efficient than adaptations that simply consider current channel quality indicators, combined with greedy channel aggregation.
Year
DOI
Venue
2013
10.1109/GLOCOM.2013.6831404
Global Communications Conference
Keywords
DocType
ISSN
Long Term Evolution,cellular radio,feedback,LTE-advanced standard,adaptation mechanism,carrier aggregation,congestion feedback,greedy channel aggregation,heterogeneous networks,link adaptive scheme,multihop cellular system,relay-to-base station links,user equipment ability
Conference
2334-0983
Citations 
PageRank 
References 
0
0.34
5
Authors
2
Name
Order
Citations
PageRank
Syed A. Ahmad142.82
Luiz A. DaSilva21192117.84