2017/05/26 by Fadhil Firyaguna, Jacek Kibiłda, Firyaguna, Fadhil +5
Engineering · #Advanced MIMO Systems Optimization #FOS: Computer and information sciences #Information Theory (cs.IT) #Millimeter-Wave Propagation and Modeling #Networking and Internet Architecture (cs.NI) #Wireless Body Area Networks
paper · pdf · doi:10.48550/arxiv.1705.09616
openalex publication_date 2017/05/26 · openalex created_date 2022/10/03 · openalex updated_date 2026/07/28
Provisioning of high throughput millimetre-wave signal to indoor areas that\npotentially serve a large number of users, such as transportation hubs or\nconvention centres, will require dedicated indoor millimetre-wave access point\ndeployments. In this article, we study dense deployments of millimetre-wave\naccess points mounted on the ceiling and illuminating selected spots on the\nground with the use of fixed directional antennas. In this setup, the main\nfactor limiting signal propagation are blockages by human bodies. We evaluate\nour system under a number of scenarios that take into account beamwidth of the\nmain-lobe, access point density, and positioning of the mobile device with\nrespect to the user's body. We find that both coverage and area spectral\nefficiency curves exhibit non-trivial behaviour which can be classified into\nfour regions related to the selection of access point density, beamwidth, and\nheight values. Furthermore, we observe a trade-off in beamwidth design, as the\noptimal beamwidth maximizes either coverage or area spectral efficiency, but\nnot both. Finally, when we consider different body shadowing scenarios, our\nnetwork design optimizes coverage or area spectral efficiency performance\ntowards either devices held in hand or worn directly against the body, as each\nof the scenarios requires mutually exclusive settings of access point density\nand beamwidth.\n