could anyone help me how to generate the time series data of 4 users that are randomly generated within the cell.

In my code, I am using 4 users that are randomly generated. Once the users are generated each user has single channel gain value which is dependent of each other.

Now, I want to generate for each user a time series data such that each user needs to have 10 different values of channel gain at different time intervals and the 10 channel gain values should have dependency with each other.

Could anyone pleasehelp me on this.