Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Yarilet Perez is an experienced ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Using valerian root can decrease nighttime awakenings and help you fall asleep faster. Valerian root supplements may ease menopause symptoms like hot flashes and sleep disturbances. Taking valerian ...

Malanga root is rich in B vitamins, potassium, and complex carbohydrates. Malanga should not be eaten raw because it contains oxalic acid. People with high potassium levels should avoid malanga root.

Abstract: Resolver is an angular position sensor widely used in motor drives when robustness is critical. This sensor generates two high-frequency amplitude-modulated signals which give information ...