It is important to clarify that is a subscription-based service operated by MultiChoice, primarily targeting South Africa and other sub-Saharan African countries. DStv does not officially operate in Ethiopia. The Ethiopian broadcasting market is dominated by EBS (Ethiopian Broadcasting Service) , Fana TV , Oromia Media Network , and international free-to-air channels via satellite (such as NileSat or Eutelsat).
If you need me to based on the outline above, let me know and I will write it for you.
Because DStv has no legal frequency, license, or marketing presence in Ethiopia, you will not find a legitimate academic paper titled "DStv Frequency in Ethiopia." However, you can write a research paper on the related topic by focusing on why DStv is absent, what frequencies Ethiopians actually use, or the feasibility of DStv entering the Ethiopian market.