Simultaneous Information and Power Transfer (SWIPT) for wireless communication systems presents a new paradigm, allowing wireless nodes to recharge their rechargeable batteries from RF signals (instead of fixed line or traditional energy sources) while decoding information. In this approach, the energy is harvested from ambient electromagnetic sources available within the communication system or from sources that directionally transmit RF energy. This work presents an overview, and advancement to date, as well as identifies research issues and challenges in SWIPT and RF Wireless Power Transfer (WPT) assisted technologies. The paper, in principal, addresses innovative 5G communications and Internet of Things (IoT) technologies associated with SWIPT/WPT. The paper finally presents recommendations and future trends associated with this emerging future electricity technique. This provides a valuable reference and new avenues for the future research in this direction.