Title :
Transport capacity of cognitive radio ad hoc networks with primary outage constraint
Author :
Yuchen Guo ; Yingchun Ma ; Kai Niu ; Jiaru Lin
Author_Institution :
Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
The transport capacity of cognitive radio ad hoc networks is investigated in this paper. Compared with the related works in the literature which mainly give order sense results like scaling laws, we derive an expression of the single-hop transport capacity for the secondary (SR) network under the outage constraint of the primary (PR) network. The Aloha medium access control (MAC) protocol and the nearest neighbor routing protocol are considered. Through stochastic geometric analysis, it is shown that the outage probability of the PR network and the transport capacity of the SR network are mainly dominated by the node density of the SR network and the medium access probability p of the MAC protocol. Besides, the value p is optimized to maximize the transport capacity of the SR network.
Keywords :
access protocols; ad hoc networks; cognitive radio; geometry; routing protocols; stochastic processes; ALOHA MAC protocol; ALOHA medium access control protocol; PR network; SR network; cognitive radio ad hoc network transport capacity; nearest neighbor routing protocol; primary network; primary outage constraint; secondary network; single-hop transport capacity; stochastic geometric analysis; Ad hoc networks; Capacity planning; Cognitive radio; Interference; Media Access Protocol; Random variables; Receivers; ad hoc networks; cognitive radio; transport capacity;
Conference_Titel :
Wireless Communications and Networking Conference (WCNC), 2013 IEEE
Conference_Location :
Shanghai
Print_ISBN :
978-1-4673-5938-2
Electronic_ISBN :
1525-3511
DOI :
10.1109/WCNC.2013.6555107
