Title :
Exact Outage Probability for a Wireless Diversity Network With Spatially Random Mobile Relays
Author :
Peijian Ju ; Wei Song ; A-Long Jin
Author_Institution :
Fac. of Comput. Sci., Univ. of New Brunswick, Fredericton, NB, Canada
Abstract :
This work analyzes the outage probability of a wireless cooperative network with a single helper selected from spatially random mobile helpers. We consider two representative scenarios, where the mobility of mobile helpers follows random direction (RD) and random way point (RWP). Exact analytical expressions of the outage probability are derived and validated by simulations. The analysis can be used to adapt helper selection based on statistics of mobile nodes and channel conditions to satisfy a quality-of-service requirement. The outage probability of RWP is found close to that of RD for a large relay area. Hence, it is reasonable to estimate the outage probability of RWP as in RD based on the assumption of a uniform node distribution.
Keywords :
cooperative communication; diversity reception; mobile radio; probability; quality of service; helper selection; outage probability; quality of service requirement; random direction; random way point; spatially random mobile helpers; spatially random mobile relays; uniform node distribution; wireless cooperative network; wireless diversity network; Mobile communication; Mobile computing; Probability; Quality of service; Relays; Signal to noise ratio; Wireless communication; Cooperative relay; mobility; outage probability;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2014.2345671
