2957 search results - page 484 / 592 » The Complexity of Polynomial-Time Approximation |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— In this paper differential space–frequency modulation (DSFM) for transmission over multiple–input multiple– output channels using orthogonal frequency division mu...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— In most wireless communications research, the channel models considered experience less severe fading than the classic Rayleigh fading case. In this work, however, we investiga...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
ICIP
2007
IEEE
14 years 2 months ago
2007
IEEE
This paper presents an efficient joint source-channel coding scheme based on forward error correction (FEC) for three dimensional (3D) models. The system employs a wavelet based ...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— High-speed backbones are regularly affected by various kinds of network anomalies, ranging from malicious attacks to harmless large data transfers. Different types of anomalies...