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» Accessible Capacity of Secondary Users
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114
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INFOCOM
2010
IEEE
14 years 11 months ago
Queuing Analysis in Multichannel Cognitive Spectrum Access: A Large Deviation Approach
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
Amine Laourine, Shiyao Chen, Lang Tong
WCNC
2008
IEEE
15 years 6 months ago
Performance Comparison of Uplink WLANs with Single-User and Multi-User MIMO Schemes
— In this paper, we compare the performance of wireless local area networks (WLANs) with single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO) in terms of collision probabilit...
Hu Jin, Bang Chul Jung, Ho Young Hwang, Dan Keun S...
95
Voted
VTC
2006
IEEE
15 years 6 months ago
Capacity Enhancement for Integrated HAPS-Terrestrial CDMA System
— In this paper, we consider the uplink capacity of an integrated high altitude platform station (HAPS)-terrestrial code division multiple access (CDMA) system in which sharing b...
Jeng-Ji Huang, Wei-Ting Wang, Huei-Wen Ferng
WCNC
2008
IEEE
15 years 6 months ago
Stochastic Spectrum Pool Reassignment for Cognitive Relay Systems
— We consider a cognitive wireless relay system that operates on secondary spectrum sharing basis using spectrum pooling. A spectrum pool comprises of a set of available narrowba...
Ashish Pandharipande, Chin Keong Ho
GLOBECOM
2006
IEEE
15 years 6 months ago
Rateless Codes for the Gaussian Multiple Access Channel
Abstract— We consider communication over the Gaussian multiple access channel (MAC) with unknown set of active users. The proposed multiple access strategy is distributed and ach...
Urs Niesen, Uri Erez, Devavrat Shah, Gregory W. Wo...