Communication Over MIMO X Channels: Interference Alignment, Decomposition, and Performance Analysis

• Published in: IEEE transactions on information theory Vol. 54; no. 8; pp. 3457 - 3470
• Main Authors: Maddah-Ali, M.A., Motahari, A.S., Khandani, A.K.
• Format: Journal Article
• Language: English
• Published: New York, NY IEEE 01.08.2008; Institute of Electrical and Electronics Engineers; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Analysis; Antennas; Applied sciences; Broadcasting; Channels; Data communications; Data transmission; Decomposition; Degrees of freedom; Design engineering; Exact sciences and technology; Information theory; Information, signal and communications theory; Interference; interference alignment; interference channels; MIMO; MIMO X channels; multiple-antenna systems; multiple-input multiple- output (MIMO) multiuser systems; Multiplexers; multiplexing gain; noncooperative communication; Nonlinear filters; Offsets; Performance analysis; power offset; Radiocommunications; Receivers; Receiving antennas; space-division multiple access; Switching and signalling; Systems, networks and services of telecommunications; Telecommunications; Telecommunications and information theory; Throughput; Transmitters; Transmitters. Receivers; Writing; Performance evaluation; Multiplexing; MIMO system; Multiple access; Degrees of freedom; multiple-input multiple-output (MIMO) multiuser systems; power offset; MIMO X channels; Two channel system; multiple-antenna systems; Transmitter; multiplexing gain; interference channels; Signalling; Space division multiple access; interference alignment; Linear filter; Broadcast channels; Data communication; noncooperative communication; space-division multiple access; Antenna array; Multiple channel

In a multiple-antenna system with two transmitters and two receivers, a scenario of data communication, known as the X channel, is studied in which each receiver receives data from both transmitters. In this scenario, it is assumed that each transmitter is unaware of the other transmitter's dat...