This book provides the state-of-the-art research on aerial communications coexisting with terrestrial networks from physical, MAC, network, and application layer perspectives. It includes thorough discussion of control issues, access techniques and resource sharing between cellular communication and aerial communications to accommodate larger volumes of traffic and to provide better service to users. Other challenges are explored in this text are: identification of services, radio resource...

This book presents novel RIS-Based Smart Radio techniques, targeting at achieving high-quality channel links in cellular communications via design and optimization of the RIS construction. Unlike traditional antenna arrays, three unique characteristics of the RIS will be revealed in this book. First, the built-in programmable configuration of the RIS enables analog beamforming inherently without extra hardware or signal processing. Second, the incident signals can be controlled to partly r...

Un team creativo stellare ha costruito una saga in cinque volumi pensata per giovani lettori di tutte le età. Divisi da antiche incomprensioni, cinque mondi lottano per la sopravvivenza di fronte a un’ecatombe che sembra ormai inevitabile. Tre ragazzi, diversissimi tra loro, provenienti da mondi diversi, ma uniti dal bisogno di sopravvivere e dalla volontà di lottare, troveranno la chiave per evitare la catastrofe, ma mettere in pratica ciò che va fatto per scongiurare il peggio sarà tutt’...