Paper Info
Title
Interference Mitigation Based on Partial CSI Feedback and Overhearing in an OFDMA Heterogeneous System
Abstract
We consider the problem of femtocell/macrocell interference mitigation in an OFDMA based Downlink (DL) heterogeneous system. Most conventional methods rely on the information of the interference channel states and Macrocell User (MU) allocation provided by a control channel, causing large overhead increase. In our proposed method, each Femtocell Base Station (FBS) is able to predict the subchannel allocation of MUs based on partial Channel State Information (CSI) feedback and overhearing from the MUs to the Macrocell Base Station (MBS). Based on this estimation, each FBS performs subchannel and power allocation to Femtocell Users (FUs). With this procedure, the proposed method achieves excellent MU/FU sum-rate while greatly reducing required overhead compared to reference schemes.
Year
DOI
Venue
2013
10.1109/VTCSpring.2013.6692600
Vehicular Technology Conference
Keywords
Field
DocType
OFDM modulation,femtocellular radio,frequency division multiple access,interference suppression,DL heterogeneous system,FBS,FU sum-rate,MBS,MU allocation,OFDMA based downlink heterogeneous system,control channel,femtocell base station,femtocell users,interference channel states,interference mitigation,macrocell base station,macrocell user allocation,overhearing,partial CSI feedback,partial channel state information feedback,power allocation,reference schemes,subchannel allocation
Control channel,Femtocell,Computer science,Computer network,Electronic engineering,Frequency-division multiple access,Channel allocation schemes,Macrocell,Orthogonal frequency-division multiplexing,Telecommunications link,Channel state information
Conference
ISSN
Citations 
PageRank 
1550-2252
5
0.47
References 
Authors
4
4
Name
Order
Citations
PageRank
Toshihiko Nakano1152.01
M. Kaneko226533.46
Kazunori Hayashi323028.52
Hideaki Sakai426277.04