Search Results - "Park, Haewook"

SiPM signal readout for inter-crystal scatter event identification in PET detectors by Park, Haewook, Lee, Jae Sung

“…In positron emission tomography (PET) with pixelated detectors, a significant number of annihilation photons interact with scintillation crystals through…”
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Highly multiplexed SiPM signal readout for brain-dedicated TOF-DOI PET detectors by Park, Haewook, Lee, Jae Sung

“…•Highly multiplexed SiPM readout scheme via the first-order high-pass filter.•Effectively reducing DAQ channels without severe timing degradation of PET…”
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Development of Wafer-Type Plasma Monitoring Sensor with Automated Robot Arm Transfer Capability for Two-Dimensional In Situ Processing Plasma Diagnosis by Park, Haewook, Kim, Juhyun, Cho, Sungwon, Kim, Kyunghyun, Jang, Sungho, Choi, Younsok, Lee, Hohyun

“…In this work, we propose our newly developed wafer-type plasma monitoring sensor based on a floating-type double probe method that can be useful for…”
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Development and Initial Results of a Brain PET Insert for Simultaneous 7-Tesla PET/MRI Using an FPGA-Only Signal Digitization Method by Won, Jun Yeon, Park, Haewook, Lee, Seungeun, Son, Jeong-Whan, Chung, Yina, Ko, Guen Bae, Kim, Kyeong Yun, Song, Junghyun, Seo, Seongho, Ryu, Yeunchul, Chung, Jun-Young, Lee, Jae Sung

“…In study, we developed a positron emission tomography (PET) insert for simultaneous brain imaging within 7-Tesla (7T) magnetic resonance (MR) imaging scanners…”
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Beamforming and Power Allocation Designs for Energy Efficiency Maximization in MISO Distributed Antenna Systems by Kim, Heejin, Park, Eunsung, Park, Haewook, Lee, Inkyu

“…In this paper, we present a beamforming and power allocation algorithm for a downlink multiple-input single-output distributed antenna system which maximizes…”
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Robust beamforming designs for nonregenerative multipair two-way relaying systems by Song, Changick, Park, Haewook, Lee, Hoon, Lee, Inkyu

“…In this paper, we consider nonregenerative multipair two-way relaying systems, where a relay node supports K pairs of two-way communications in the presence of…”
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A New Beamforming Design for MIMO AF Relaying Systems With Direct Link by Kong, Han-Bae, Song, Changick, Park, Haewook, Lee, Inkyu

“…In this paper, we propose a new beamforming technique that maximizes the end-to-end signal-to-noise ratio (SNR) for amplify-and-forward…”
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A New Energy-Efficient Beamforming Strategy for MISO Interfering Broadcast Channels Based on Large Systems Analysis by Lee, Sang-Rim, Jung, Jaehoon, Park, Haewook, Lee, Inkyu

“…In this paper, we propose a new beamforming design to maximize energy efficiency (EE) for multiple input single output interfering broadcast channels (IFBCs)…”
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SINR Balancing Techniques in Coordinated Multi-Cell Downlink Systems by PARK, Haewook, PARK, Seok-Hwan, KIM, Jin-Sung, LEE, Inkyu

“…In this paper, we study coordinated multi-cell downlink systems where multiple base stations jointly design a transmission strategy by sharing channel state…”
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Bit Allocation and Pairing Methods for Multi-User Distributed Antenna Systems With Limited Feedback by Lee, Hoon, Park, Eunsung, Park, Haewook, Lee, Inkyu

“…In this paper, we study bit allocation and pairing methods based on distributed zero forcing beamforming for downlink multi-user distributed antenna (DA)…”
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MMSE-Based Filter Designs for Cognitive Multiuser Two-Way Relay Networks by Park, Haewook, Song, Changick, Lee, Hoon, Lee, Inkyu

“…This paper considers cognitive multiuser two-way relay networks (MU-TRNs) where multiple secondary users (SUs) concurrently exchange their data with other SUs…”
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Feedback Bit Allocation Schemes for Multi-User Distributed Antenna Systems by PARK, Eunsung, KIM, Heejin, PARK, Haewook, LEE, Inkyu

“…In this paper, we propose a feedback bit allocation algorithm for multi-user downlink distributed antenna systems with limited feedback. We consider a…”
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New Beamforming Techniques Based on Virtual SINR Maximization for Coordinated Multi-Cell Transmission by PARK, Seok-Hwan, PARK, Haewook, KONG, Hanbae, LEE, Inkyu

“…In this paper, we propose new beamforming techniques based on virtual signal-to-interference-plus-noise ratio (VSINR) for weighted sum-rate (WSR) maximization…”
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Distributed Beamforming Techniques for Weighted Sum-Rate Maximization in MISO Interference Channels by PARK, Seok-Hwan, PARK, Haewook, LEE, Inkyu

“…This letter proposes a beamforming technique for weighted sum-rate (WSR) maximization in multiple-input single-output (MISO) interference channels. In order to…”
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Transceiver Designs for Multipoint-to-Multipoint MIMO Amplify-and-Forward Relaying Systems by CHOI, Hyun-Joo, CHANGICK SONG, HAEWOOK PARK, INKYU LEE

“…In this paper, we consider multipoint-to-multipoint multi-input multi-output relay systems where multiple source-destination pairs simultaneously communicate…”
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Beamforming Designs Based on an Asymptotic Approach in MISO Interference Channels by LEE, Sang-Rim, KONG, Han-Bae, HAEWOOK PARK, INKYU LEE

“…In this paper, we consider weighted sum-rate (WSR) maximization problems in multiple-input single-output (MISO) interference channels (IFC) and interfering…”
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Weighted Sum MSE Minimization under Per-BS Power Constraint for Network MIMO Systems by PARK, Haewook, PARK, Seok-Hwan, KONG, Han-Bae, LEE, Inkyu

“…We study joint processing (JP) for network MIMO systems where base stations exchange the user's message and channel state information under per-BS power…”
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A New Beamforming Design for Multicast Systems by Lee, Wookbong, Park, Haewook, Kong, Han-Bae, Kwak, Jin Sam, Lee, Inkyu

“…In this paper, we study a transmit beamforming technique for multiple-input-multiple-output (MIMO) downlink multicast systems. Assuming that channel state…”
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A New Approach of Interference Alignment through Asymmetric Complex Signaling and Multiuser Diversity by SHIN, Hun-Young, PARK, Seok-Hwan, PARK, Haewook, LEE, Inkyu

“…In this letter, we consider a new interference alignment (IA) strategy for single-input single-output interference broadcast channels with constant channel…”
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Regularized Transceiver Designs for Multi-User MIMO Interference Channels by PARK, Seok-Hwan, PARK, Haewook, SUNG, Hakjea, LEE, Inkyu

“…For multi-user interference channels (IC), an altruistic approach based on the zero-forcing (ZF) criterion shows the near-optimal performance at high…”
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