Search Results - "Pec, Rothna"

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  1. 1

    Random Access for Underwater Acoustic Cellular Systems by Pec, Rothna, Khan, Mohammed Saquib, Asim, Muhammad, Cho, Yong Soo

    Published in Sensors (Basel, Switzerland) (01-02-2018)
    “…In this paper, a random access preamble (RAP) design technique for underwater acoustic cellular systems is proposed. After showing that the conventional RAP…”
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    Journal Article
  2. 2

    Cell Search Techniques for Underwater Acoustic Cellular Systems by Asim, Muhammad, Pec, Rothna, Im, Tae Ho, Cho, Yong Soo

    Published in IEEE access (2019)
    “…The concept of frequency reuse has been considered for underwater acoustic cellular (UAC) systems owing to the limited available bandwidth of acoustic…”
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    Journal Article
  3. 3

    Random Access Preamble Design for High-Velocity User in Millimeter-Wave Cellular Networks by Khan, Mohammed Saquib, Pec, Rothna, Park, Chang Hwan, Cho, Yong Soo

    Published in IEEE access (2018)
    “…In this paper, a design technique of random access preamble (RAP) for high-velocity users (HVUs) in millimeter-wave (mmWave) cellular networks is proposed…”
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    Journal Article
  4. 4

    Synchronization method for long-term evolution-based machine-type communication in low-power cellular Internet of Things by Pec, Rothna, Choi, Joo-Hyung, Park, Chang-Hwan, Cho, Yong Soo

    “…The significant growth of machine-to-machine applications for low-power cellular Internet of Things has compelled 3rd Generation Partnership Project to ensure…”
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    Journal Article
  5. 5

    Cell searching and DoA estimation for a mobile relay station in a multipath environment by Pec, Rothna, Hong, Tae Howan, Cho, Yong Soo

    Published in Journal of communications and networks (01-04-2013)
    “…In this paper, a mobile relay station (MRS) for vehicles with a beamforming antenna is considered to increase the reliability of the transmission link,…”
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    Journal Article
  6. 6

    Cell Searching and DoA Estimation for a Mobile Relay Station in a Multipath Environment by Pec, Rothna, Hong, Tae Howan, Cho, Yong Soo

    “…In this paper, a mobile relay station (MRS) for vehicles with a beamforming antenna is considered to increase the reliability of the transmission link,…”
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    Journal Article
  7. 7

    Receive Beamforming Techniques for an LTE-Based Mobile Relay Station With a Uniform Linear Array by Pec, Rothna, Bon Woo Ku, Kyu Seok Kim, Yong Soo Cho

    Published in IEEE transactions on vehicular technology (01-07-2015)
    “…A mobile relay station (MRS) with soft handover experiences performance degradation because the received signal at the MRS located between two base stations…”
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    Journal Article
  8. 8
  9. 9

    A Design of Synchronization Signal for Efficient Handover in Small-Cell Networks with 3D Beamforming by Pec, Rothna, Khan, Mohammed Saquib, Chang-Hwan Park, Yong-Soo Cho

    “…A small-cell network (SCN) constructed by splitting a macro-cell into numerous small cells using an active antenna array system is studied. A synchronization…”
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    Conference Proceeding
  10. 10

    RCDP: Raptor-based content delivery protocol for unicast communication in wireless networks for ITS by Baguena, Miguel, Toh, C. K., Calafate, Carlos T., Cano, Juan-Carlos, Manzoni, Pietro

    Published in Journal of communications and networks (01-04-2013)
    “…Recent advances in forward error correction (FEC) coding techniques were focused on addressing the challenges of multicast and broadcast delivery. However, FEC…”
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    Journal Article
  11. 11

    Fab Lab Initiative in Higher Education: Digital Solutions Diverted to Traditional Farming in Cambodia Context by Chin, Chan Daraly, Hel, Chanthan, Pec, Rothna

    “…In Cambodia, after graduated from STEM university, the students apply for a STEM job and then work for industries or technological companies. Since Cambodia…”
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    Conference Proceeding
  12. 12

    Cell Searching and DoA Estimation for a Mobile Station with Antenna Array in mm-Wave Cellular Communications by Pec, Rothna, Kyu Seok Kim, In Su Kim, Bon Woo Ku, Yong Soo Cho

    “…In this paper, a beamforming and cell searching method is proposed for a mobile station (MS) with antenna array to compensate the high attenuation in a…”
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    Conference Proceeding
  13. 13

    Design of Miniaturized S-band High Isolation Strip-line Circulator for 5G Application by Khim, Sokha, Cheab, Sovuthy, Soeung, Socheatra, Ng, Guan Shen, Pec, Rothna

    “…In this paper, a C-band strip-line circulator operating at 3 to 4.2 GHz is designed. The parameters of the circulator are designed and simulated by ANSYS…”
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    Conference Proceeding
  14. 14

    Development of ESP32-Based Smart Greenhouse Controller by Chhorn, Sopheaktra, Tep, Sovichea, Hel, Chanthan, Pec, Rothna

    “…Smart farming is currently getting much attention from around the globe. There are a lot of works discussing on how to enable smart farm. One of the ways to…”
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    Conference Proceeding
  15. 15

    Development of Multi-Parameter Tester for Agricultural Application by Nhim, Chanreng Sey, Hel, Chanthan, Chhorn, Sopheaktra, Tep, Sovichea, Pec, Rothna

    “…This project focuses on developing a low-cost Multi-Parameter Tester that aims to support farmers in growing their plants and raising their animals. This…”
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    Conference Proceeding
  16. 16

    Prototyping of Smart Irrigation System Using IoT Technology by Sai, Thavath, Proeung, Bunrong, Tep, Sovichea, Chhorn, Sopheaktra, Pec, Rothna, Nall, Vichhey, Ket, Pinnara, Oeurng, Chantha, Hel, Chanthan

    “…This research executes a development of prototype of smart irrigation system using IoT technology aiming to assist agriculture individual on reducing labor…”
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    Conference Proceeding
  17. 17

    An LFM-based preamble for underwater communication by Pec, Rothna, Khan, Mohammed Saquib, Cho, Yong Soo

    “…In this paper, an LFM-based random access preamble (RAP) for underwater acoustic cellular systems is proposed. After showing that the conventional RAP used in…”
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    Conference Proceeding
  18. 18

    A beamforming technique for LTE-based mobile relay stations by Pec, Rothna, Yong Soo Cho

    “…In this paper, two receive beamforming techniques with carrier frequency offset (CFOs) compensation (joint receive beamforming technique and…”
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    Conference Proceeding
  19. 19

    A detection for synchronization signal in LTE-based machine-type communication by Pec, Rothna, Khan, Mohammed Saquib, Chang-Hwan Park, Yong-Soo Cho

    “…In this paper, a low-complexity algorithm for cell ID group and subframe number estimation, which requires the highest computational complexity in the SSS…”
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    Conference Proceeding
  20. 20

    A parameter estimation technique for an LTE-based mobile relay station with antenna array by Pec, Rothna, Yong Soo Cho

    “…In order to select the base stations (BSs) for receive combining, estimation techniques for direction-of-arrivals (DoAs), carrier frequency offsets (CFOs), and…”
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    Conference Proceeding