臺北大學通訊工程學系

訊息公告

國立臺北大學通訊工程學系前身為國立台北大學通訊工程研究所，於2004年成立，位於南港軟體園區、中研院及新竹科學園區間，三峽交流道旁，為台灣高科技產業的中心點。本系主要發展通訊高科技產業，強調獨立思考及創新設計能力之訓練，並要求學生參與研究計畫，以驗證所學和獲取經驗，同時培養理論與實務兼備、人文與科技整合的高級人才。發展方向為通訊系統設計、通訊晶片設計、網路交換、數位訊號處理、多媒體通訊等相關技術。近年積極參與工程科技教育認證(IEET)，並於2010年通過認證。目前設有通訊工程學士班、碩士班、資通科技產業碩士專班、及國際學生碩士班。

專題研討(113/05/03)－黃昱智教授 (陽明交通大學電機系)

題目：Downlink transmission with heterogeneous services

主講人：黃昱智教授 (陽明交通大學電機系)

時間：113年05月03日(星期五13：00- 15：00)

地點：臺北大學三峽校區音律電機資訊大樓電1F02

Abstract: The problem of designing downlink transmission schemes for supporting heterogeneous ultra-reliable low-latency communications (URLLC) and/or with other types of services in future communication systems is investigated. We consider the broadcast channel, where the base station sends superimposed signals to multiple users that may not receive the entire transmitted signal due to the heterogeneous blocklengths. Under heterogeneous blocklength constraints, strong users who are URLLC users cannot wait to receive the entire transmission frame and perform successive interference cancellation (SIC) due to stringent latency requirements, in contrast to the conventional infinite blocklength cases. Even if SIC is feasible, SIC may be imperfect under finite blocklength constraints.

In this talk, I will talk about our recent progress in coping with the heterogeneity in latency and reliability requirements. Specifically, we propose a practical downlink transmission scheme with discrete signaling and single-user decoding (SUD), i.e., without SIC. We carefully design the discrete input distributions to enable efficient SUD by exploiting the structural interference. The proposed approach is then rigorously analyzed to show its second-order achievable rate under heterogenous blocklength and error probability constraints. It is shown that in terms of achievable rate under short blocklength, the proposed scheme with regular quadrature amplitude modulations and SUD can operate extremely close to the benchmark schemes that assume perfect SIC with Gaussian signaling.

Bio: Yu-Chih Huang is a professor at the Institute of Communications Engineering, National Yang Ming Chiao Tung University. Prior to this position, he served as an assistant professor (2015-2018) and as an associate professor (2018-2020) at the Department of Communication Engineering, National Taipei University. He received his Ph. D. degree from Texas A&M University. His research interest lies in information theory, coding theory, statistical communication theory, and statistical machine learning. Currently, he advises five outstanding Ph. D students, all graduated from National Taipei University.