Develops an anisotropic wavefront channel (AWC) model and estimation algorithm for near-field propagation where curved reflectors make wavefronts non-spherical, showing via simulations that sparsity in angle-distance domain is lost and the method is effective.
A Tutorial on Wideband XL -MIMO: Challenges, Opportunities, and Future Trends
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A parameterized model for anisotropic wavefront channels is derived and an FFT-based matching-free estimation algorithm is proposed for near-field wireless systems.
Ising machine probabilistic computing achieves optimal ML detection for XL-MIMO up to 2048x2048 antennas in 100 iterations and extends to 256-QAM via p-dits while matching or beating MMSE.
citing papers explorer
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Beyond Spherical Wavefront: Near-Field Channel Estimation Under Wavefront Anisotropy
Develops an anisotropic wavefront channel (AWC) model and estimation algorithm for near-field propagation where curved reflectors make wavefronts non-spherical, showing via simulations that sparsity in angle-distance domain is lost and the method is effective.
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Matching-free Acquisition of Channels with Anisotropic Wavefronts
A parameterized model for anisotropic wavefront channels is derived and an FFT-based matching-free estimation algorithm is proposed for near-field wireless systems.
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Physics-Inspired Probabilistic Computing for Extremely Large-Scale MIMO Detection in Future 6G Wireless Systems
Ising machine probabilistic computing achieves optimal ML detection for XL-MIMO up to 2048x2048 antennas in 100 iterations and extends to 256-QAM via p-dits while matching or beating MMSE.