Abstract-This paper investigates the performance of a cognitive hybrid satellite-terrestrial network, where the primary satellite communication network and the secondary terrestrial mobile network coexist, provided that the interference temperature constraint is satisfied. By using the Meijer-G functions, the exact closed-form expression of the outage probability (OP) for the secondary network is first derived. Then, the asymptotic result in a high-signal-to-noise-ratio (SNR) regime is presented to reveal the diversity order and coding gain of the considered system. Finally, computer simulations are carried out to confirm the theoretical results and reveal that a more loose interference constraint or heavier shadowing severity of a satellite interference link leads to a reduced OP, whereas stronger satellite interference power poses a detrimental effect on the outage performance. Index Terms-Asymptotic result, cognitive radio (CR), outage performance, satellite-terrestrial network.
In REF , the outage probability expression of the terrestrial secondary user (SU) was derived in a closed-form while satisfying the interference constraint to the satellite primary user (PU) imposed by wireless terrestrial network.
Outage Performance of Cognitive Hybrid Satellite–Terrestrial Networks With Interference Constraint
IEEE Transactions on Vehicular Technology
IEEE Transactions on Vehicular Technology
Computer Science