METHOD AND DEVICE FOR MANAGING BUFFER OF REAL-TIME ULTRA-LOW LATENCY TRAFFIC IN WIRELESS COMMUNICATION SYSTEM

• Main Authors: CHOI, Jinho, LEE, Sangho, CHA, Jiyoung, KIM, Sunhyun, KIM, Dongmyung
• Format: Patent
• Language: English; French; Korean
• Published: 11.07.2024
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION; WIRELESS COMMUNICATIONS NETWORKS

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates than 4G communication systems such as LTE. A method performed in a wireless communication system by a transmission device for an ultra-low latency service according to the present invention may comprise the steps of: receiving I-frame-related packets with sequence numbers different from those of packets stored in a buffer; confirming the number of effective packets on the basis of frame per second (FPS) values; and deleting the packets stored in the buffer except for a number of packets equivalent to the number of effective packets. La présente divulgation se rapporte à un système de communication 5G ou 6G permettant de prendre en charge des taux de transmission de données plus élevés que ceux des systèmes de communication 4G comme le LTE. Un procédé mis en oeuvre dans un système de communication sans fil par un dispositif de transmission pour un service à latence ultra-faible selon la présente invention peut comprendre les étapes consistant à : recevoir des paquets liés à une trame I avec des numéros de séquence différents de ceux des paquets stockés dans une mémoire tampon ; confirmer le nombre de paquets effectifs sur la base de valeurs de trame par seconde (FPS) ; et supprimer les paquets stockés dans la mémoire tampon à l'exception d'un nombre de paquets équivalent au nombre de paquets effectifs. 본 개시는 LTE와 같은 4G 통신 시스템 이후 보다 높은 데이터 전송률을 지원하기 위한 5G 또는 6G 통신 시스템에 관련된 것이다. 본 개시에 따라 통신 시스템에서 초저지연 서비스를 위한 송신 장치에 의해 수행되는 방법에 있어서, 버퍼에 저장된 패킷과 다른 시퀀스 번호를 갖는 I-frame 관련 패킷을 수신하는 단계, FPS (frame per second) 값에 기반하여 유효 패킷의 수를 확인하는 단계, 및 상기 유효 패킷의 수에 상응하는 패킷을 제외하고 상기 버퍼에 저장된 패킷을 삭제하는 단계를 포함하는 것을 특징으로 한다.