公开(公告)号：US10193734B2

公开(公告)日：2019-01-29

申请号：US15390135

申请日：2016-12-23

Applicant: LG ELECTRONICS INC.

Inventor： Seokmin Shin ,  Kunil Yum ,  Yunjung Yi ,  Bonghoe Kim ,  Hyunsoo Ko

IPC: H04L27/26 ,  H04W56/00 ,  H04W84/04 ,  H04L5/00

Abstract: Disclosed is a method for transmitting/receiving a signal in a wireless communication system supporting narrow-band (NB)-LTE, which is performed a terminal, including: receiving a narrow band synchronization signal from a base station; acquiring time synchronization and frequency synchronization with the base station based on the narrow band synchronization signal and detecting an identifier of the base station; and receiving a narrow band broadcast channel from the base station based on the detected identifier of the base station.

公开(公告)号：US10182412B2

公开(公告)日：2019-01-15

申请号：US15414559

申请日：2017-01-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Seokmin Shin ,  Byounghoon Kim ,  Yunjung Yi ,  Bonghoe Kim

IPC: H04W4/00 ,  H04W56/00 ,  H04L29/06 ,  H04L5/00 ,  H04B1/7093 ,  H04J13/00 ,  H04L27/26 ,  H04L29/08

Abstract: This closure relates to narrowband communication supporting an Internet of Things (IoT) service in a next-generation wireless communication system and, more particularly, to a method and apparatus for transmitting and receiving narrowband synchronization signals. A base station transmits a narrowband secondary synchronization signal indicating a narrowband cell identity, a specific sequence generated by performing phase rotation with respect to a base sequence generated through a second Zadoff-Chu sequence having a predetermined length L in a frequency domain and multiplying the base sequence by a cover sequence in element units is used for the narrowband secondary synchronization signal, and a specific root index is selected from among M (M