Print Email Facebook Twitter Thermal-Aware Synthesis of 5G Base Station Antenna Arrays Title Thermal-Aware Synthesis of 5G Base Station Antenna Arrays: An Overview and a Sparsity-Based Approach Author Aslan, Y. (TU Delft Microwave Sensing, Signals & Systems) Puskely, J. (TU Delft Microwave Sensing, Signals & Systems) Janssen, J. H. J. (NXP Semiconductors) Geurts, Marcel (NXP Semiconductors) Roederer, A.G. (TU Delft Microwave Sensing, Signals & Systems) Yarovoy, Alexander (TU Delft Microwave Sensing, Signals & Systems) Date 2018 Abstract Heat removal capabilities and radiation performances of several sparse antenna array topologies are studied for cooling enhancement in 5G millimeter-wave base station antennas. Both electromagnetic and thermal aspects are jointly considered for the first time in array layout optimization and a novel connection between layout sparsity and thermal management is presented. Two types of active electronically scanned arrays (AESA’s), based on the traditional and planar approaches, are examined. Thermal management in AESA’s is discussed, with a focus on cooling challenges at millimeter waves. Being relatively low-cost and low-profile while supporting flexible beamforming, passively cooled planar AESA’s with fanless CPU coolers are proposed, for the first time, to be used in 5G base stations. Additional cooling for such arrays is achieved by increasing the inter-element distances in the layout. Linear irregular arrays, spiral arrays, thinned arrays, circular ring arrays and heat sink antenna arrays are revisited with a critical discussion on their electromagnetic and thermal performance. The results are compared with regular and square layouts that are used as benchmarks throughout the paper. Subject Antenna synthesisbase station antennasfifth generation (5G)millimeter-wave communicationspassive coolingsparse arrays To reference this document use: http://resolver.tudelft.nl/uuid:7d336fd2-d4c4-407c-823d-804852b341eb DOI https://doi.org/10.1109/ACCESS.2018.2873977 ISSN 2169-3536 Source IEEE Access, 6 (1), 58868-58882 Bibliographical note green Part of collection Institutional Repository Document type journal article Rights © 2018 Y. Aslan, J. Puskely, J. H. J. Janssen, Marcel Geurts, A.G. Roederer, Alexander Yarovoy Files PDF 46935842_08484977.pdf 3.31 MB Close viewer /islandora/object/uuid:7d336fd2-d4c4-407c-823d-804852b341eb/datastream/OBJ/view