1. Research Topics of Prof. Yeong-Luh Ueng Research Topics of Prof. Yeong-Luh Ueng （翁詠祿） ylueng@ee.nthu.edu.tw http://www.ee.nthu.edu.tw/~ylueng ylueng@ee.nthu.edu.tw Department of Electrical Engineering National Tsing Hua University

2. Communication Systems Training in Our Lab Error Correcting Coding System Algorithms IC Architectures System Architectures IC Circuit Design Co-design of algorithm and IC implementation is highly desired for the development of advanced SoC (System on Chip) in the areas of industry or academic research.

3. Suggested Background Digital Communication Communication Systems Signals and Systems Digital Signal Processing Logic Design VLSI Design and Lab Computer Organization

4. Research Topics

5. Research Focus (MIMO-OFDM) Research Focus : MIMO, MIMO-OFDM, LDPC codes, Turbo codes

6. Topic 1 Communication Systems (Baseband Part) Design good algorithms used in synchronization, channel estimation and demodulation which are suitable for IC implementation for modern MIMO, OFDM and MIMO-OFDM based communication systems. Space-time coding for MIMO-based communication systems.

7. Communication SystemCircuit Architecture Communication Systems vs Circuit Architecture

8. MIMO Systems TxTx RxRx TxTx RxRx Space-Time Coding : Increase Diversity Spatial Multiplexing: Increase Rate Tx R Rx MIMO 2 22 Tx Rx SISO 11 ：1：1 ：

9. MIMO Channels (Rich-Scattering Channels)

10. Topic 2 Communication Systems (RF Part) Study the effect of circuit impairment on the performance of wireless communication systems. Compensate the effect of circuit impairment on the performance of communication systems by using digital signal processing algorithm. An important topic since some RF IC specifications are based on this study.

11. Communication Receiver with RF Processing

12. Topic 3 Error-Correction Codes (Code Design & Application) Design good error correction codes (ECC) with the constraint imposed by the real applications and IC implementation. Apply some popular codes such as Turbo codes, LDPC codes on real applications such as 4G, DVD, optical communication and broadcasting with necessary modifications.

13. Topic 4 Error-Correction Codes (Codec IC Design) Develop the state-of-art codec (coder and decoder) for some standards such as 3G, WiMAX and DVB. LDPC code codec Turbo code codec Product code codec

15. Turbo encoder / decoder

16. Circuit Architecture of LDPC Decoder Bit to Check MEMORY Check to Bit

17. Topic 5 Communication IC Develop key signal processing engines in MIMO, OFDM and MIMO-OFDM based communication systems. Develop key signal processing engines in communication standards such as Bluetooth EDR, UWB, WiMAX, and DVB.

18. WiMAX (802.16) Standard

19. DVB (Digital Video Boradcasting)

20. Welcome to Join with Us If you are interested in our lab. Please contact Y.L. Ueng ( 翁詠祿 ) ylueng@ee.nthu.ed.tw (03) 5162208 Face-to-Face : 資電館 307 For more information, please see the web site: http://ee.nthu.edu.tw/~ylueng