7106 search results - page 137 / 1422 » Restricted Complexity, General Complexity |
107
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GLOBECOM
2008
IEEE
15 years 9 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
113
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VR
2008
IEEE
15 years 9 months ago
2008
IEEE
Registration errors between the physical world and computergenerated objects are a central problem in Augmented Reality (AR) systems. Some existing AR systems have demonstrated ho...
133
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CISS
2007
IEEE
15 years 9 months ago
2007
IEEE
Relay-based cooperative communications can achieve spatial diversity gains, enhance coverage and potentially increase capacity. If considered for large networks, traditional relayi...
112
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ICC
2007
IEEE
15 years 9 months ago
2007
IEEE
— Forward Error Correction (FEC) schemes are generally used in wireless communication systems to maintain an acceptable quality of service. Various models have been proposed in l...
123
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BROADNETS
2006
IEEE
15 years 9 months ago
2006
IEEE
Abstract— Wavelength converters simplify the wavelength assignment problem in virtual topology design in optical networks and increase the utilization of the fiber bandwidth. Ho...