Abstract
Cooperative communication networks have received more attention due to its ability to improve the signal quality of terminal devices by spatial diversity. Under recent advance in internet of things, In order to extend the service life of terminal devices powered by battery, simultaneous wireless information and power transfer (SWIPT) technique has been emphasize. The terminal devices can harvest energy and decode information from the same radio frequency (RF) signal using by SWIPT technique. In this paper, we combine both techniques to study the performance of both conventional cooperative relaying networks without SWIPT and cooperative relaying networks with SWIPT under an amplify-and-forward (AF) relaying network. To the best of our knowledge, no one simultaneously studies and compares the performance of both systems. Therefore, the outage probabilities of both systems are carried out, and numerical results are compared in this paper. The main results include: (1) Compared with conventional cooperative communication, the cooperative communication with SWIPT has better outage probability only when the distance between relay node and source node is less than one. It implies that, to outperform the conventional cooperative communication, the relay node should harvest enough energy for signal transmission. (2) With the diversity of direct path and relay path, the outage probability of cooperative communication with EH under an AF relaying network has been significantly reduced.
Highlights
In recent years, more and more research on multi-antenna systems has been study, since multi-antenna technology can provide spatial diversity, which greatly improves the quality, speed, and range of communication systems
In [10] investigated the performance of cache-assisted simultaneous wireless information and power transfer (SWIPT) cooperative systems, in which one source communicates with one destination via the aid of multiple relays
The power splitting-based relaying (PSR) protocol in [6] which based on the PS receiver architecture, is considered for the relay node under scenario of SWIPT
Summary
More and more research on multi-antenna systems has been study, since multi-antenna technology can provide spatial diversity, which greatly improves the quality, speed, and range of communication systems. In [10] investigated the performance of cache-assisted simultaneous wireless information and power transfer (SWIPT) cooperative systems, in which one source communicates with one destination via the aid of multiple relays. The energy efficiency performance of a simultaneous wireless information and power transfer (SWIPT)-enabled cooperative relay network in the presence of an interfering transmitter (IT) was investigated, and the optimal transmitted source’s power for each scenario and obtained the suboptimal power splitting and energy consumed factors was derived in [11]. There is no direct path in [6], reference [7] investigated the outage probability performance of an AF cooperative relaying network under PS receiver architectures in SWIPT with direct path. The power splitting-based relaying (PSR) protocol in [6] which based on the PS receiver architecture, is considered for the relay node under scenario of SWIPT.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
