Graduate School and Research Center in Digital Sciences

Wireless powered UAV relay communications over fluctuating two-ray fading channels

Zheng, Jiakang; Zhang, Jiayi; Chen, Shuaifei; Zhao, Hui; Ai, Bo

Physical Communication, 31 May 2019, Elsevier

The unmanned aerial vehicle (UAV) relay has recently attracted a large amount of research interests, due to it's relative ease of development to enhance cooperative communication performance when the direct link between transmitters and receivers is severely blocked. With simultaneous wireless information and power transfer, the UAV relay can harvest energy from radio frequency and prolong the network lifetime. In this paper, we use the time-switching relaying protocol for UAV energy harvesting (EH) and data forwarding. Different from prior works, the ground-to-air links are modeled as fluctuating two-ray fading channels, which provide a very good fit to the UAV relay communication. In addition, we obtain novel exact analytical expressions for the outage probability, symbol error rate and average capacity of the considered system employing decode-and-forward and amplify-and-forward protocols, respectively. Furthermore, we offer valuable insights into the impact of system and fading parameters on the performance. For example, the optimal EH time can be selected to enhance the system performance. Finally, numerical results are provided to validate the derived results.

Document Doi Bibtex

Title:Wireless powered UAV relay communications over fluctuating two-ray fading channels
Keywords:Unmanned aerial vehicle; Wireless information and power transfer; Time-switching relaying; Fluctuating two-ray fading
Type:Journal
Language:English
City:
Date:
Department:Communication systems
Eurecom ref:5904
Copyright: © Elsevier. Personal use of this material is permitted. The definitive version of this paper was published in Physical Communication, 31 May 2019, Elsevier and is available at : https://doi.org/10.1016/j.phycom.2019.100724
Bibtex: @article{EURECOM+5904, doi = {https://doi.org/10.1016/j.phycom.2019.100724}, year = {2019}, month = {05}, title = {{W}ireless powered {UAV} relay communications over fluctuating two-ray fading channels}, author = {{Z}heng, {J}iakang and {Z}hang, {J}iayi and {C}hen, {S}huaifei and {Z}hao, {H}ui and {A}i, {B}o}, journal = {{P}hysical {C}ommunication, 31 {M}ay 2019, {E}lsevier}, url = {http://www.eurecom.fr/publication/5904} }
See also: