Title :
On the Achievability of Interference Alignment for Three-Cell Constant Cellular Interfering Networks
Author :
Ma, Yanjun ; Li, Jiandong ; Chen, Rui
Author_Institution :
Sch. of Commun. & Inf. Eng., Xi´´an Univ. of Sci. & Technol., Xi´´an, China
fDate :
9/1/2012 12:00:00 AM
Abstract :
For a three-cell constant cellular interfering network, a new property of alignment is identified, i.e., an interference alignment (IA) solution obtained in a user-cooperation scenario can also be applied to a non-cooperation environment. By using this property, an algorithm is proposed by jointly designing transmit and receive beamforming matrices. Analysis and simulation results show that more degrees of freedom (DoF) can be achieved compared with conventional schemes in most cases.
Keywords :
array signal processing; cellular radio; cooperative communication; radiofrequency interference; interference alignment; noncooperation environment; receive beamforming matrices; three cell constant cellular interfering networks; transmit beamforming matrices; user cooperation scenario; Antennas; Array signal processing; Integrated circuits; Interference channels; MIMO; Vectors; Interference channel; degrees of freedom; interference alignment; multi-user MIMO;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2012.073112.120437