Intrinsic degrees of freedom for MIMO interference channel

Intrinsic degrees of freedom (IDoF) which are the measure about the relative transmission ability of a channel from a transmitter to a receiver in the current transmit power at finite signal-to-noise power ratio are proposed. According to the IDoF of the subchannel in every dimension of channel spac...

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Bibliographic Details
Published in:Electronics letters 2013-09, Vol.49 (20), p.1301-1303
Main Author: Bai, Xiaojuan
Format: Article
Language:English
Subjects:
antenna arrays
Applied sciences
channel allocation
channel transmission ability
Exact sciences and technology
IDoF
information‐theory perspective
interference avoiding technique
interference suppression
intrinsic degrees of freedom
MIMO communication
MIMO interference channel
multiuser channels
multiuser multiantenna interference channel
radio receivers
radio transmitters
Radiocommunications
radiofrequency interference
receiver
signal‐to‐noise power ratio
spatial dimension allocation
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
transmitter
wireless channels
Wireless communications
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Summary:Intrinsic degrees of freedom (IDoF) which are the measure about the relative transmission ability of a channel from a transmitter to a receiver in the current transmit power at finite signal-to-noise power ratio are proposed. According to the IDoF of the subchannel in every dimension of channel space, the number of spatial dimensions allocated to the interferer by the interference avoiding technique, which is no more than the maximum number of subchannels associated with the decreasing IDoF of the transmission channel due to interference in the multiuser multi-antennas interference channel, is given from an information-theory perspective.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2013.1403