• An Adaptive User Pairing Strategy for Uplink Non-Orthogonal Multiple Access 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops;2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications, Chapter; Conference object; Journal article, 2020-10-08)
      Non-orthogonal multiple access (NOMA) is consid-ered an important candidate for the next-generation cellular networks to address the issue of exponentially growing data traffic from technologies like the Internet of Things ...
    • Capacity Enhancement of NOMA‐SWIPT IoT Relay System with Direct Links over Rayleigh Fading Channels 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (Transactions on Emerging Telecommunications Technologies;Volume 31, Issue 12, Journal article; Peer reviewed, 2020-03-21)
      It is known that when the direct links between the base station (BS) and the users exist and are nonnegligible, consolidating direct links could significantly enhance the performance of the cooperative relaying systems. ...
    • Ergodic Capacity Performance of D2D IoT Relay NOMA-SWIPT Systems with Direct Links 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (International Conference on Telecommunications and Signal Processing (TSP); 2020 43rd International Conference on Telecommunications and Signal Processing (TSP), Chapter; Peer reviewed, 2020-08-11)
      We investigate the Ergodic capacity (EC) performance of device-to-device (D2D) Internet of Things (IoT) relay non-orthogonal multiple access (NOMA)- simultaneous wireless information and power transfer (SWIPT) systems where ...
    • On the Performance of Bidirectional NOMA-SWIPT Enabled IoT Relay Networks 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (IEEE Sensors Journal;Volume: 21, Issue 2, Journal article; Peer reviewed, 2020-08-24)
      In this article, a bidirectional relaying (BR) non-orthogonal multiple access (NOMA) with simultaneous wireless information and power transfer (SWIPT) termed as BR NOMA-SWIPT is proposed and investigated for the Internet ...
    • Performance Analysis of RF Energy Harvesting and Information Transmission based on NOMA with Interfering Signal for IoT Relay Systems 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (IEEE Sensors Journal;Volume 19 , Issue 17, Journal article; Peer reviewed, 2019-04-28)
      Owing to the exponential proliferation of the Internet of Things (IoT), it is anticipated that the number of small IoT devices will grow expeditiously over the next few years. These billions of small IoT sensor and devices ...
    • A reinforcement learning based game theoretic approach for distributed power control in downlink NOMA 

      Rauniyar, Ashish; Yazidi, Anis; Engelstad, Paal E.; Østerbø, Olav Norvald (IEEE International Symposium on Network Computing and Applications; 2020 IEEE 19th International Symposium on Network Computing and Applications (NCA), Chapter; Peer reviewed, 2021-01-05)
      Optimal power allocation problem in wireless networks is known to be usually a complex optimization problem. In this paper, we present a simple and energy-efficient distributed power control in downlink Non-Orthogonal ...
    • RF energy harvesting and information transmission based on NOMA for wireless powered IoT relay systems 

      Rauniyar, Ashish; Engelstad, Paal E.; Østerbø, Olav Norvald (Sensors;Volume 18, Issue 10, Journal article; Journal article; Peer reviewed, 2018-09-27)
      Amidst the rapid development of the fifth generation (5G) networks, Internet of Things (IoT) is considered as one of the most important part of 5G next generation networks as it can support massive object communications. ...