Abstract:Internet of things (IoT) presupposes a massive number of low-complexity wireless devices, placed in hardly accessible locations and often powered by batteries with limited size and capacity. To extend the lifetime of these devices, wakeup radio (WuR) techniques were proposed. In the literature, WuR solutions have been evaluated with single-antenna base stations (BSs). In this paper, we evaluate the benefits of adding multiple antennas at BSs to transmit precoded WuR signals. The considered precoded schemes pro… Show more
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