90 search results - page 17 / 18 » An improved approximation ratio for the minimum linear arran... |
CORR
2007
Springer
13 years 6 months ago
2007
Springer
The k-forest problem is a common generalization of both the k-MST and the dense-k-subgraph problems. Formally, given a metric space on n vertices V , with m demand pairs ⊆ V × ...
GLOBECOM
2010
IEEE
13 years 4 months ago
2010
IEEE
The recently emerging WiMAX (IEEE 802.16) is a promising telecommunication technology to provide low-cost, high-speed and long-range wireless communications. To meet the growing de...
VTC
2008
IEEE
14 years 11 days ago
2008
IEEE
Abstract— Diversity can play an important role in the performance improvement of a communication system in fading channels. The achievable performance with signal space diversity...
VTC
2008
IEEE
14 years 11 days ago
2008
IEEE
—Orthogonal frequency division multiplexing (OFDM) is currently under intense research for broadband wireless transmission due to its robustness against multipath fading. However...
ICC
2008
IEEE
14 years 14 days ago
2008
IEEE
— In this paper, we consider the joint transmitter and receiver design problem based on a novel approximate maximum likelihood decision feedback equalizer (A-ML-DFE) over frequen...