332 search results - page 67 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
SIGCOMM
2010
ACM
13 years 5 months ago
2010
ACM
Dense 802.11 wireless networks present a pressing capacity challenge: users in proximity contend for limited unlicensed spectrum. Directional antennas promise increased capacity b...
PODC
2009
ACM
14 years 2 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...