In the case of WiFi connection, there is a significant delay and lag in the game

We have developed a two player tennis VR game using Quest3. I synchronized the position and rotation of two users' HMDs and Hands in each frame, and broadcasted the position and rotation of the tennis ball in each frame. In Quest3, there was a noticeable lag in the tennis ball's position. When I tested the network connection status between PC and Quest3 using the ping command at a speed of 800 bytes/4 ms on PC, the lag improved significantly, When I reduce the frequency and data volume of the ping command, the lag becomes more noticeable. Is there any optimization for Quest3 in this regard, and what should I do to eliminate this delay problem?