199 search results - page 38 / 40 » Multiple antenna spectrum sensing in cognitive radios |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper considers the problem of finding sparse solutions from multiple measurement vectors (MMVs) with joint sparsity. The solutions share the same sparsity structure, and th...
SIGCOMM
2010
ACM
14 years 9 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...
82
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
A Bayesian formulation of quickest change detection in multiple onoff processes is obtained within a decision-theoretic framework. For geometrically distributed busy and idle time...
87
Voted
TMC
2011
14 years 4 months ago
2011
— This paper establishes the equivalence between cognitive medium access and the competitive multi-armed bandit problem. First, the scenario in which a single cognitive user wish...
ICC
2000
IEEE
15 years 1 months ago
2000
IEEE
— The medium-access control (MAC) protocols for wireless networks proposed or implemented to date based on collision-avoidance handshakes between sender and receiver either requi...