![]() ![]() The SRG study involved a combination of walk tests and stationary tests. In the Houston market, we identified four 100 MHz wide component carriers within each cell sector.” Utilizing fast frequency tuning algorithms, a special version of R&S®ROMES drive test software allows Rohde & Schwarz to down-convert up to eight 100 MHz wide component carriers transmitted at 28 GHz into an intermediate frequency range that can be processed and displayed. To enable measurements at 28 GHz, the scanner’s frequency range is extended by using a down-conversion approach. R&S designed the prototype measurement system, featuring the R&S®TSMA autonomous drive test scanner, which contains the R&S®TSME ultra-compact drive test scanner and an integrated PC, to meet the aggressive timeline of early 5G adopters. In the report preview, SRG describes the methodology for the independent 5G test network benchmark study as follows: “For our benchmark study of the Verizon 5GTF commercial trial network, we used the Rohde & Schwarz TSMA scanner. This helped to determine the best physical location for a CPE in a home or office setting. Other targets included the characterization of the most likely radio conditions of fixed customer premise equipment (CPE) in the 5GTF network environment. SRG’s measurement campaign examined, in particular, the promises of mmWave spectrum for mobile communications (mmWave signal propagation). However, given the SRG study’s focus and the emphasis on millimeter wave propagation, the findings from these measurements could be equally applicable to the industry-defined 3GPP standard 5G NR (the “real 5G”). It is important to know that 5GTF and 5G New Radio (5G NR) are two separate sets of specifications with some obvious incompatibilities between them. Verizon is currently using the 5GTF specification that we discussed in a previous post.
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