Sciweavers

WCNC
2010
IEEE
13 years 2 months 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 4 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 11 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 4 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