Based on the most probable interpretation, here is a on Network Slicing in 5G (which fits the "NSP" concept). Top Recommended Paper: Title: "Network Slicing in 5G: Survey and Challenges" Authors: X. Foukas, G. Patounas, A. Elmokashfi, M. K. Marina Published in: IEEE Communications Magazine , 2017 Why it’s good: It is one of the most cited foundational surveys on 5G network slicing. It covers the architecture, resource management, and challenges — directly relevant to any "NSP" (Network Service Provider) using 5G.
The most direct match in academic and technical literature is likely about (often abbreviated NS, but NSP can mean Network Slicing Provider/Platform) in 5G , or NSP as Network Service Provider in a 5G context. There is no widely known standard paper titled exactly "NSP-11-5G". NSP -11-5G-
