Open Access Library Journal

Volume 4, Issue 5 (May 2017)

ISSN Print: 2333-9705   ISSN Online: 2333-9721

Google-based Impact Factor: 0.47  Citations  

Interference Cancellation Method without Feedback Amount for Three Users Interference Channel

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DOI: 10.4236/oalib.1103574    935 Downloads   1,242 Views  

ABSTRACT

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.

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Tian, X. , Zhang, H. and Jia, W. (2017) Interference Cancellation Method without Feedback Amount for Three Users Interference Channel. Open Access Library Journal, 4, 1-10. doi: 10.4236/oalib.1103574.

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