Sciweavers

WCNC
2010
IEEE
13 years 23 days ago
On MIMO Cognitive Radios with Antenna Selection
—With the ever increasing interest in multiple-input multiple-output (MIMO) cognitive radio (CR) systems, reducing the costs associated with RF-chains at the radio front end beco...
Muhammad Fainan Hanif, Peter J. Smith
TWC
2008
225views more  TWC 2008»
13 years 2 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
INFOCOM
2009
IEEE
13 years 9 months ago
Delay Analysis for Multi-Hop Wireless Networks
Abstract—We analyze the delay performance of a multihop wireless network with a fixed route between each sourcedestination pair. There are arbitrary interference constraints on ...
Gagan Rajesh Gupta, Ness B. Shroff
PERCOM
2006
ACM
14 years 2 months ago
A Multi-Commodity Flow Approach for Globally Aware Routing in Multi-Hop Wireless Networks
Routing in multi-hop wireless networks is typically greedy, with every connection attempting to establish a path that minimizes its number of hops. However, interference plays a m...
Vinay Kolar, Nael B. Abu-Ghazaleh