17329 search results - page 199 / 3466 » Improved non-approximability results |
ICASSP
2008
IEEE
14 years 4 months ago
2008
IEEE
In the symbol recognition stage of online handwritten math expression recognition, the one-pass dynamic programming algorithm can produce high-quality symbol graphs in addition of...
VTC
2008
IEEE
14 years 4 months ago
2008
IEEE
— We propose a dynamic blind beamforming scheme which allows to benefit from antenna directivity in large mobile ad hoc networks while avoiding heavy feedback to track mobile no...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—This paper proposes the use of group-orthogonal frequency diversity combined with space-time block coding (STBC) to improve the performance of IEEE 802.11n wireless networks (WL...
AINA
2007
IEEE
14 years 4 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— The border gateway protocol (BGP) is known to take a long time to converge to a steady state following the failure of BGP routers or inter-router links. This has resulted in ex...