Proactive and Reactive DF Relaying for Energy Harvesting Underlay CR Network

  • Mousam Chatterjee
  • Subhra Shankha Bhattacherjee
  • Chanchal Kumar De
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 470)


Outage performance analysis of energy harvesting underlay CR network using proactive and reactive DF relay selection schemes in presence of non-identical Rayleigh fading channel has been studied in this paper. Time switching relay (TSR) protocol is used for the combined task of energy harvesting and signal transmission at relays. The relay can harvest energy from source signal as well as primary transmitter interference. The outage probability has been evaluated at the secondary destination. Selection combining (SC) is used at relays to select the best among them. The effects of number of relay antennas (L) and number of relays (K) on the outage performance for both proactive and reactive DF relaying have also been studied. A trade-off between number of relay and number of antenna at each relay is studied. It is also shown that the reactive DF scheme may generate different outage probability for different values of threshold SNR (\(\mu _{th}\)) for successful decoding at the relays, which may be sometimes better or worse than the proactive DF scheme.


Proactive DF Reactive DF Energy harvesting Selection combining Outage probability 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Mousam Chatterjee
    • 1
  • Subhra Shankha Bhattacherjee
    • 2
  • Chanchal Kumar De
    • 3
  1. 1.B. P. Poddar Institute of Management and TechnologyKolkataIndia
  2. 2.Dr. B. C. Roy Engineering CollegeDurgapurIndia
  3. 3.ECE DepartmentHaldia Institute of TechnologyHaldiaIndia

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