CS@GWU homepage


world wide web
cs @ gwu

Hyeong-Ah Choi

No picture for now
Professor

Phone: 202-994-5916
E-mail: hchoi AT gwu DOT edu
Campus Location(s): Phillips 713
Office Hours: Sabbatical – E-mail: Contact Dr. Cheng
Personal Home Page: http://www.seas.gwu.edu/~hchoi/

Interests

Broadband Wireless Networks; Wireless Ad-hoc Networks; Scheduling and Algorithms

Education

Ph.D., 1986, Computer Science, Northwestern University

M.S., 1980, Computer Science, Seoul National University, Seoul, Korea

B.A., 1980, Computer Science, Seoul National University, Seoul, Korea

Resource management in multi-access wireless networks. Packet scheduling in B3G networks, Data management in sensor networks, Rule-based approach to information management.

Selected Publications

  1. J. Gomes, M. Yun, H.-A. Choi, J.-H. Kim, J. K. Sohn, and H. I. Choi, Scheduling Algorithms for Policy Driven QoS Support in HSDPA Networks , submitted for publication. TR-GWU-CS-06-004. Department of Computer Science, George Washington University, 2006.


  2. J. Hwang, M. T. Rafaei, H.-A. Choi, J.-H. Kim, J. K. Sohn, and H. I. Choi, Policy-based QoS-aware Packet Scheduling for CDMA 1xEvDO , submitted for publication. TR-GWU-CS-06-005. Department of Computer Science, George Washington University, 2006.


  3. J. S. Gomes and H.-A. Choi, Ares: an adaptively reoptimizing engine for stream query processing , Technical Report TR-GWU-CS-06-003. Department of Computer Science, George Washington University, 2006.


  4. M. T. Rafaei, Y. Rong, L. A. DaSilva, and H.-A. Choi, Detecting Misbehavior in Ad hoc Networks , submitted for publication.


  5. F. Jin, A. Arora, J. Hwang, and H.-A. Choi, "Routing and Packet Scheduling for Throughput Maximization in IEEE 802.16 Mesh Networks , submitted for publication.


  6. Y. Zhou, F. Jin, S. Subramaniam, and H.-A. Choi, An Energy Saving MAC Protocol for Sensor Networks , submitted for publication.


  7. A. Arora and H.-A. Choi, Channel-aware scheduling for throughput maximization , Submitted for publication.


  8. A. Arora, F. Jin, and H.-A. Choi, Scheduling Resourse Allocation with Timeslot Penalty for Changeover , to appear in J. Theoretical Computer Science.


  9. A. Arora, F. Jin, G. Sahin, H. Mahmoud, and and H.-A. Choi, Throughput Analysis in Wireless Networks with Multiple Users and Multiple Channels , To appear in J. Acta Informatica.