Your log is in a completely unreadable form, as well as being a download rather than a paste log. Please capture a proper log of the system journal like so, after reproducing the problem:
sudo journalctl | paste-log
By the way, the RTL8188CUS driver is currently problematic - there have been a number of reports of problems with adaptors using this driver.
O man, I have tried searching this issue for the last 6 months, finally found people with the same issue.
However, I see that the thread is more than a year old. Has this issue been resolved?
I am still experiencing drop outs, it looks very similar to what is said in here, however i also use a vpn and I have not managed to completely single out the problem.
Strange thing is, a couple of months ago I had no problem
rpi2 + TL-WN823N + latest osmc