★Full Name: 2021 4th International Conference on Computer and Communication Engineering Technology (CCET 2021) ★Abbreviation: CCET 2021 ★Website：http://www.ccet.org/ ★Date: August 13-15, 2021 ★Place：North China University of Technology (NCUT), Beijing, China ★Sponsored by: School of Information Science and Technology, North China University of Technology (NCUT) ★Call for paper★ Computer Engineering and Technology Algorithms Computer Architecture Data Compression Image Processing Network Security and Cryptography Communications Engineering and Technology RF and Microwave Communication RF and Microwave devices Antenna and Propagation RF, Microwave and millimeter circuit For details about topics, please visit at http://www.ccet.org/cfp.html ★ Publication: All submissions are peer reviewed by the CCET2021 Review Committee. Accepted and presented papers will be published in the Conference Proceedings by IEEE. The proceedings will be submitted and reviewed by the IEEE Xplore, Ei Compendex and Scopus after the conference. ★Submission★ 1. Full paper(publication and presentation) 2. Abstract (presentation only) For full paper, please upload it to the Electronic Submission System (.pdf) http://www.easychair.org/conferences/?conf=ccet2021 For abstract, please send it to ccet@iact.net More detail about submission, please visit at http://www.ccet.org/sub.html ★★Contact: Ms. Gretchen Liu (Conference Secretary) Email: ccet@iact.net Mobile: +8618081079313 (Monday to Friday - 9 am till 6 pm -GMT+8) Wechat: 18081079313