Phone numbers on WhatsApp will soon be optional as the messenger looks to simplify things and increase user privacy. The chat app is rolling out usernames, allowing about three billion of its users to ...

WhatsApp on Monday officially announced the start of global reservations of usernames with an aim to protect the privacy of more than three billion users on the messaging platform. The optional ...

Abstract: This paper aims to solve the two-party game decision-making problem in a complex dynamic environment, and proposes a deterministic zero-sum impulse differential control model. The two ...

Abstract: Massive MIMO is dominant in the current wireless communication systems. Massive MIMO system uses a massive number of antennas to serve multi-users simultaneously. The growth of served users ...