The KICS has 16 Technical Activity Groups (TAGs). Activities in each TAG include organizing conference and workshops, coordinating various seminars and publishing newsletters. The 16 TAGs are

1. TAG on High Speed Information Communication
   High-speed telecommunications is defined as high-speed, broadband switched telecommunications capability that enables users to originate and receive high-quality voice, text and video telecommunications using any transmission media and technology. National testbed, called KOREN (Korea advanced Research Network), was developed to promote R&Ds needed. The study group was established to expand the base of R&D activities on the high-speed telecommunications from industry, university and institution based on the KOREN.

2. TAG on Communication Standardization
   Research on Protocol Engineering Technology related to the development, implementation and testing of the IT standards, -Research on IT based technology related to IT standards Collection and dissemination of the technical information related to IT standards

3. TAG on Image Communication
   This Society aims at research on image processing, image compression, image restoration, image enhancement, etc. that are required for storage, transmission, and broadcasting of image and video. The group cosponsors "Image Processing and Image Understanding Workshop" and "Joint Conference on Signal Processing" every year.

4. TAG on Coding and Information Theory
   The coding and information theory society has been formed as one of the special research groups of KICS in the beginning of 1996 with about 30 active working members from both universities and industry around the nation. In 1997, the society was approved as the IEEE Korean Chapter of Information Theory Society. Specific area of interest includes : error correcting codes, information theory, source coding, coded modulation, discrete mathematics, cryptography, sequence and signal design, and related fields. Major activities of the society include : (1) The coding and information theory workshop, three times a year, all of the presentations are collected for the year-end publication as a proceedings, (2) A three-day intensive course on error correcting codes in February every year, and (3) Organizing sessions of the annual KICS Conference (Summer and Fall) and JCCI (Joint Conference on Communication and Information, Spring) every year.

5. TAG on Intelligent Transport System
   Information and communication technologies related on Intelligent Transport System are studied in this committee, which is consisted with university professors and members of manufacturers, broadcasting companies, and communication service providers. The main topics are Dedicated Short Range Communications, location finding, vehicle to vehicle communication, vehicular radar, and application technologies of mobile communication and broadcasting.

6. TAG on Communications Switching and Routing
   This committee is comprised of a diverse group of professionals with a common interest in advancing research and developments toward meeting new market demands in information switching and routing. To that end, the committee sponsors publications, conferences, workshops, and local activities. Specific areas include, but are not limited to theory, architecture, traffic, performance, signaling protocol and networks, call and mobility control, services and features, planning, economic factors and management of switching and routing systems.

7. TAG on Optical Communication
   Interested areas of the Optical Communications Society include optical device technologies such as lasers, photodetectors, optical fibers, passive optical components, and all-optical avelength converters, all-optical network technologies such as optical Internet, optical MAN, optical LAN, and optical access network, and finally optical networking system technologies needed to implement the above networks.

8. TAG on Communication Law and Policy
   Telecommunications policy and regulatory studies; Legal studies on information and communication including Telecommunications Business Law, Radiocommunication Law; Studies on international treaties and organizations relating to telecommunications sector, e.g., ITU and WTO

9. TAG on Network Management
   The committee on Korean Network Operations and Management, KNOM, provides the Korean lnstitute of Communications Sciences, KICS, with a focus on network operations and management. KNOM actively encourages the exchange of information on the operational and technical management aspects of public and private networks for voice, data, image, and video, and organizes and sponsors publications and discussions of these topics. Specific technical interests include automation of network operations, customer network management and control, knowledge-based technologies, real-time management of networks, and network-operations architectures. Since its formation, KNOM has provided a focus within KICS for the exchange of ideas among those who plan and use operations, networks, new services, and new communications equipment and network management systems. In addition, a major goal of KNOM is to offer opportunities for dialog between end-users, providers, and manufacturers in the network operations and management discipline. KNOM sponsors symposiums (APNOMS), KNOM Conference and tutorials. KNOM interacts closely with the IEEE Communications Society (ComSoc) Committee on Network Operations and Management (CNOM).

10. TAG on Communication Software
   The communication software society comprised of a diverse group of industry professionals with a common interest in advancing all communications software technologies was founded on May, 1996 and supports research activities related to architecture, development methodology, quality assurance, maintenance/administration, inter-working, modeling, performance analysis, protocols, database for communication software.

11. TAG on Signal Processing
   Subject areas of Signal processing society include signal theory, signal processing systems, speech and acoustic signal processing, adaptive signal processing, biomedical signal processing, communication signal processing, radar signal processing, etc. Each year many research papers are presented in the signal processing joint conference cosponsored by KICS and KIEE.

12. TAG on Neural Network
   Using the learning capabilities and parallelism inherited in artificial neural networks, wide varieties of applications in telecommunication areas are studied. Main areas of interests include neural network model, associative memories, pattern recognition, speech recognition, vision, optimization, prediction and forecasting, optical neural networks, neural computers, nonlinear channel modeling, data compression, vector quantization, data mining, and so forth.

13. TAG on Data Communications
   This TAG was formed to focus and lead the research on computer communications and networking. The TAG has led the research on digital communications, packet communications, queueing and random access technologies, OSI networking, LAN, IT standardization, high-speed LAN, internet technologies in Korea. The main concern is to provide the theoretical and implemental open forum among experts. The current goals of the TAG are to work and get the consensus on the area of gigabit ethernet technologies, the home networking and VoIP. The TAG members are from industries, universities, and research institutes.

14. TAG on Transmission Technology
   TAG on Transmission Technology studies transmission technologies and systems in the field of transport layer and access network. Main interest topics include SDH and ATM technology, xDSL transmission technology, multiplexing and demultiplexing technology, line coding, cable modem, LAN technology, and digital cross connection technology. The group cosponsors "Optical Internet Workshop" every year.

15. TAG on Internet
   Subject areas of Internet society include Routing protocols, QoS Control, MPLS, Trafic Engineering Technologies, IPv6, Wireless/Mobile IP as Networking technologies, and Applications(such as Voice and Multimedia over IP) enabling Technologies and Signalling protocols. A major goal of Internet society is to offer opportunities for dialog between researchers, industries, and users with various activities including some special workshops.

16. TAG on Satellite Communications
   The members of committee consists of the experts of satellite communication from universities, research institutes and industries. The scope of research activities are earth station, link analysis, satellite payload, multiple access techniques, MODEM and coding techniques for satellite communications.