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Stationery giant Hamelin expands into Southern Africa with ErgoKonzept acquisition

Hamelin, the French family-owned school and office suppliers, has acquired a majority stake in ErgoKonzept, a South African distributor of premium European brands.The company will now operate as ...
IEEE

Spatial Non-Stationary Channel Estimation for XL-MIMO Systems via Alternating MAP

Abstract: We investigate a joint visibility region (VR) detection and channel estimation problem in extremely large-scale multiple-input-multiple-output (XL-MIMO) systems, where nearfield propagation ...