Search Results - "Kim, Seokkwon"

Optimal Beamforming with Combining for the Non-Orthogonal Amplify-and-Forward (NAF) Protocol in Cooperative Communication Systems by KIM, Seokkwon, CHOI, Seungwon, PARK, Dong-Jo

“…This paper expands optimal beamforming with combining from the amplify-and-forward (AF) protocol to the non-orthogonal AF (NAF) protocol for environments with…”
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Beamforming of Amplify-and-Forward Relays under Individual Power Constraints by Kim, Seokkwon, Park, Jung-Hyun, Park, Dong-Jo

“…This paper investigates a distributive beamforming scheme for the amplify-and-forward (AF) protocol when the second-order statistics, i.e., the mean and…”
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A CSI feedback scheme for beamforming at AF relays by Seokkwon Kim, Jai-Hoon Lee, Dong-Jo Park

“…In cooperative wireless communications, beamforming at relays can be employed to increase the signal-to-noise ratio (SNR). Since beamforming at relays requires…”
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A multi-user beamforming scheme in MIMO downlink channels for multi-cell networks by Jai-Hoon Lee, Seokkwon Kim, Seung-Ri Jin, Dong-Jo Park

“…In this paper, a multi-user beamforming scheme is presented in multi-user multi-input multi-output (MIMO) downlink channels with other cell interference (OCI)…”
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Estimation of Atmospheric Radio Refraction Errors for Ground Stations by Kim, Seokkwon, Kim, Sung-Wan

“…In communications between ground stations and vehicles, including launch vehicles and satellites, radio waves are bent owing to the vertical gradient of…”
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BEP Estimation by Weighted Least Squares From the Ratios of Frame Syncword Error Rates by Kim, Seokkwon, Kim, Sung-Wan, Ma, Keunsu

“…For telemetry data processing systems, estimating the bit error probability of received data is important in terms of data quality. For systems in which the…”
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P‐121: CNN Based Edge Preserve Segmentation for FIB, TEM Image Analysis by Kim, Seokkwon, Jeong, Taeseok, Shin, Ok-im, Shin, Kyounghun, Jo, Junghoon, Baek, Seungin, Kim, Yongjo

“…As consumers are increasingly exposed to numerous products equipped with displays in everyday life, they are expecting more various types of displays. In order…”
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Derivations of decoder and beamforming vector for amplify-and-forward relays based on the Cauchy-Schwartz inequality by Seokkwon Kim, Joontae Kim, Won-Chul Choi, Dong-Jo Park

“…For multiple amplify-and-forward (AF) relays, optimal decoder and beamforming vector have been presented [3], [4]. The derivations of these optimal ones have…”
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Average approach to amplify-and-forward relay networks by Won-Chul Choi, Seokkwon Kim, Seung-Ri Jin, Dong-Jo Park

“…In this paper, the analysis of an average received signal-to-noise ratio (SNR) for a cooperative communication network with amplify-and-forward (AF) relays is…”
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A Low Complexity Resource Allocation Algorithm with Increasing Capacity in Cooperative OFDMA Systems by Choong-Wan Park, Won-Chul Choi, Seokkwon Kim, Dong-Jo Park

“…We investigated a conventional adaptive resource allocation scheme for the downlink of multi-hop orthogonal frequency division multiple access (OFDMA) systems…”
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