Abstract
Centimeter and Millimeter-Wave Propagation Characteristics for Indoor Corridors: Results From Measurements and Models
Highlights
W IRELESS data stream is rapidly increasing worldwide—and by 2022, mobile data traffic is projected to reach 77.5 exabytes/month [1]
We focused on characterizing the 3.7 and 28 GHz channel, because 3.5 GHz was assigned for 5 G roll out in South Korea—and 28 GHz was assigned for 5G use in the United States by the Federal Communications Commission (FCC)
Several existing path loss channel models are based on free space, scattering, and reflection in a ray tracing method over short distances of a few meters [45], [46]
Summary
W IRELESS data stream is rapidly increasing worldwide—and by 2022, mobile data traffic is projected to reach 77.5 exabytes/month [1]. Most data traffic growth stems from evolving indoor wireless uses, such as wireless cognition, centimeter-level position location, and ultra-highdefinition streaming. These wireless data traffic demand huge bandwidths that are enabled by millimeter-wave (mm-wave) bands in 5G and beyond [2], [3]. In outdoor to indoor communications, the signals propagate through walls, which causes considerable penetration losses (of up to 60 dB) in mm-wave bands [4]. It is advantageous to install separated indoor mm-wave communication networks from co-channel outdoor cellular links. Few studies have reported indoor channel modeling and measurements at other evolving mm-wave frequencies [9]. Precise channel models are important for the design and rollout of 5G and other larger mm-wave bands
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