FIELD: communication technology.
SUBSTANCE: invention relates to communication technology; it can be used in wireless communication systems. A method includes: generation of radio frames for TDD and NB-IoT systems and comparison in radio frames for TDD and NB-IoT of a narrowband primary synchronization signal NPSS, a narrowband secondary synchronization signal NSSS, a narrowband physical broadband channel NPBCH, and a narrowband system information block of SIB1-NB type with selected subframes, wherein NPSS, NSSS, NPBCH and SIB1-NB are correspondingly compared to different subframes; and the transmission of generated radio frames is performed.
EFFECT: increase in the reliability of communication due to provision of a mechanism for distinguishing FDD and TDD modes.
8 cl, 12 dwg
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