In this paper, we investigate how to cancel multi-user
interference without feedback amount over multiple-input multiple-output (MIMO) interference
channel using space-time code. Three transmitter-receiver pairs are considered and
each node is equipped with four antennas. Space-time codeword with dimension 4 × 4 is designed for three transmitters, respectively. The number of interfering
codeword is reduced through the design of codeword. Then, multi-user interference
is cancelled by a linear operation on the received signals. Compared with the existing scheme
for the same scene, the transmission efficiency is improved, and the unidirectional
cooperative link is not required. Simulation
results demonstrate the validity of theoretical analysis.
Cite this paper
Tian, X. , Zhang, H. and Jia, W. (2017). Interference Cancellation Method without Feedback Amount for Three Users Interference Channel. Open Access Library Journal, 4, e3574. doi: http://dx.doi.org/10.4236/oalib.1103574.
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