169 search results - page 34 / 34 » Opportunistic spectrum access for mobile cognitive radios |
ADHOC
2005
13 years 4 months ago
2005
The Internet has become ubiquitous and there has been tremendous growth in wireless communications in recent years. Many wireless communication techniques are commercially availab...
DSN
2003
IEEE
13 years 10 months ago
2003
IEEE
The presence of physical obstacles and radio interference results in the so called “shadow regions” in wireless networks. When a mobile station roams into a shadow region, it ...
ADHOC
2007
13 years 4 months ago
2007
Multi-hop relaying in cellular networks can greatly increase capacity and performance by exploiting the best available links to a base station. We envision an environment in which...
16
Voted
PODC
2009
ACM
14 years 1 months ago
2009
ACM
In this paper, we study the wireless synchronization problem which requires devices activated at different times on a congested single-hop radio network to synchronize their roun...