On the Capacity Region and the Generalized Degrees of Freedom Region for the MIMO Interference Channel With Feedback

Author

Ashraphijuo, Morteza ; Aggarwal, Vaneet ; Xiaodong Wang

Author_Institution

Dept. of Electr. Eng., Columbia Univ., New York, NY, USA

Volume

59

Issue

12

fYear

2013

fDate

Dec. 2013

Firstpage

8357

Lastpage

8376

Abstract

In this paper, we study the effect of feedback on the two-user MIMO interference channel. The capacity region of the MIMO interference channel with feedback is characterized within a constant number of bits, where this constant is independent of the channel matrices. Further, it is shown that the capacity region of the MIMO interference channel with feedback and its reciprocal interference channel are within a constant number of bits. Finally, the generalized degrees of freedom region for the MIMO interference channel with feedback is characterized.

Keywords

MIMO communication; channel capacity; feedback; radiofrequency interference; MIMO interference channel; capacity region; channel matrices; generalized degrees of freedom region; reciprocal interference channel; Covariance matrices; Integrated circuits; Interference channels; MIMO; Receivers; Signal to noise ratio; Transmitters; Capacity region; Han–Kobayashi message splitting; MIMO interference channel; feedback; generalized degrees of freedom; reciprocal interference channel;

fLanguage

English

Journal_Title

Information Theory, IEEE Transactions on

Publisher

ieee

ISSN

0018-9448

Type

jour

DOI

10.1109/TIT.2013.2282317

Filename

6648374