Записи с меткой «UTRA»

Тестовые модели сигналов (Test Model). Стандарты. Документы.

https://www.rohde-schwarz.com/us/applications/measuring-multistandard-radio-base-stations-application-note_56280-15864.html 1MA198: Measuring Multistandard Radio Base Stations. 3GPP Release 9 Technical Specification (TS) 37.141 covers multistandard radio base station conformance testing. Multistandard radio includes four standards of mobile communications: GSM, WCDMA, TD-SCDMA, and LTE. This application note introduces the concept of multistandard radio base stations as well as solutions for transmitter and receiver tests based …