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Pilot Contamination in Massive MIMO Systems: Challenges and Future Prospects
May 1, 2024, 4:42 a.m. | Muhammad Kamran Saeed, Ashfaq Khokhar, Shakil Ahmed
cs.LG updates on arXiv.org arxiv.org
Abstract: Massive multiple input multiple output (M-MIMO) technology plays a pivotal role in fifth-generation (5G) and beyond communication systems, offering a wide range of benefits, from increased spectral efficiency (SE) to enhanced energy efficiency and higher reliability. However, these advantages are contingent upon precise channel state information (CSI) availability at the base station (BS). Ensuring precise CSI is challenging due to the constrained size of the coherence interval and the resulting limitations on pilot sequence length. …
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