• Postdoctoral Scholar at EECS deparment, University of California, Berkeley
  • Building Energy Transportation Systems (BETS) group in RISElab (Adviser: David Culler)
  • Address: Soda Hall Room 447/410, Berkeley, CA, USA
  • E-mail: hs.kim@cs.berkeley.edu
  • Links: Google Scholar

Research Overview

My main research interest is Networked Embedded Systems for Internet of Things (IoT), which is expected to serve as the next-generation data provider infrastructure. My expertise is on the "Things" side: How to make these resource-constrained devices operate robustly, energy efficiently, with the Internet connectivity? This is an interdisciplinary research including computer science, electrical engineering, and any related application area. My research so far can be summarized as follows:

  • Hardware-software co-design, low-power embedded operating system, deeply embedded wireless network, and extensive literature survey
  • Real-world application deployment (hundreds of networked electronic price tags in urban marketplaces) and testbed experience (tens of nodes on the IoT-LAB testbed and self-made testbeds)
  • Standard network protocols: Thread/OpenThread, TCP, BLE (Bluetooth Low Energy), RPL (IPv6 Routing Protocol for LLNs), TSCH (Time Synchronized Channel Hopping), and IEEE 802.15.4
  • Open source embedded operating systems: Contiki, TinyOS, and RIOT (as a maintainer)
  • 45+ publications (10 under review) and 5 patents
  • Collaboration experience (to the extent of co-authoring papers) with +50 peers on three continents (America, Europe, and Asia), including electrical engineering/computer science/civil engineering/marketing departments, faculties/(under)graduate students, men/women, and diverse ethnic groups

Given that the "Things" side is not the whole world but part of an end-to-end system, as a postdoc, I have been also expanding my research scope with wonderful colleagues at University of California, Berkeley: mobile augmented reality (2 papers), distributed authorization, blockchain, and cloud/fog/edge computing.


  • Postdoc at University of California, Berkeley (Sep. 2016 - Current)

- Adviser: Prof. David E. Culler

  • Postdoc at Seoul National University (Mar. 2016 - Aug. 2016), Adviser: Prof. Saewoong Bahk
  • Ph.D from ECE department at Seoul National University (Mar. 2011 - Feb. 2016), Adviser: Prof. Saewoong Bahk

- Outstanding Ph.D's Thesis Award

  • M.S from ECE department at Seoul National University (Mar. 2009 - Feb. 2011), Adviser: Prof. Yong-Hwan Lee

- Outstanding Master's Thesis Award

  • B.S from ECE department at Seoul National University (Mar. 2005 - Feb. 2009)

- Summa Cum Laude

  • Seoul Foreign Language High School (Mar. 2002 - Feb. 2005)

Selected Publications