Abstract
Massive multiple-input multiple-output systems use a nearly infinite number of high-quality antennas at the transmitter/receiver are anticipated to play a key role in “5G” systems. However, the large number of antenna elements in massive MIMO also posed interference a major deficiency for successful communication in wireless systems. This work deals with Interference Alignment (IA) technique for mitigating the interference, although massive-antennas ‘based’ transmitters coordinated transmission where each transmission creates interference at the unintended receivers, such that the interference signal lies in a reduced dimensional subspace at each receiver. Recent works deal with the feasibility of IA in terms of the numbers of antennas and assume full channel state information at the transmitter (CSIT) is defined by the perfect knowledge of the global channel matrix. In this paper, we develop an algorithm, which ensures IA with incomplete CSIT, which uses the antennas ensured by Massive MIMO to further minimize the size of the CSIT allocation provided that the feasibility of the interference alignment is conserved and make transmitter cooperation more practical. Where the size of the CIST allocation defined as the total of complex numbers transmitted to the transmitter.
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Manai, H., Ben Hadj Slama, L., Bouallegue, R. (2020). Optimisation of the CSIT Allocation Size for Interference Alignment Technique in Massive MIMO Networks. In: Barolli, L., Amato, F., Moscato, F., Enokido, T., Takizawa, M. (eds) Advanced Information Networking and Applications. AINA 2020. Advances in Intelligent Systems and Computing, vol 1151. Springer, Cham. https://doi.org/10.1007/978-3-030-44041-1_60
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DOI: https://doi.org/10.1007/978-3-030-44041-1_60
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