This paper deals with the crucial issue of random access (RA) preamble design and detection for fifth generation new radio (5G NR) enabled satellite communication systems. In consideration of the characteristics of satellite environment and system compatibility. a long preamble sequence is first constructed by cascading multiple different root Zadoff-Chu (ZC) sequences with large sub-... https://herbsdailyes.shop/product-category/scissors-and-shears/