Triggering background jobs

What is the best solution to trigger background jobs within user exits?

Currently the method I am using is quite cumbersome.

1. Create user event in SM62

2. Create background job attached to this user event.

3. Within user exit call function module BP_EVENT_RAISE using user event.

The problem I have with this approach is that in the program I have to add a 15 - 20 sec delay to handle record locking. Lets say I am in a user exit in MM02, triggering this event without the delay can lead to no records been processed.

What are other ways of implementing this solution?

Can I do a SUBMIT report VIA JOB

or CALL FUNCTION IN UPDATE TASK.