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http://dx.doi.org/10.6109/jkiice.2015.19.6.1313

A User Detection Technique Based on Parallel Orthogonal Matching Pursuit for Large-Scale Random Access Networks  

Park, Jeonghong (Department of Information and Communication Engineering, Gyeongsang National University)
Jung, Bang Chul (Department of Information and Communication Engineering, Gyeongsang National University)
Kim, Jinwoo (Department of Applied Biology, Gyeongsang National University)
Kim, Jeong-Pil (Department of Chinese Language and Literature, Gyeongsang National University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.19, no.6, 2015 , pp. 1313-1320 More about this Journal
Abstract
In this paper, we propose a user detection technique based on parallel orthogonal matching pursuit (POMP) for uplink multi-user random access networks (RANs) with a number of users and receiver antennas. In general RANs, it is difficult to estimate the number of users simultaneously transmitting packets at the receiver because users with data send the data without grant of BS. In this paper, therefore, we modify the original POMP for the RAN and evaluate its performances through extensive computer simulations. Simulation results show that the proposed POMP can effectively detect activated users more than about 2%~8% compared with the conventional OMP in RANs.
Keywords
Random access networks; sparse signal recovery; orthogonal matching pursuit; multiple input and multiple output(MIMO) system;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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