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1. (WO2017017606) NARROWBAND LTE CELL SEARCH

Pub. No.:    WO/2017/017606    International Application No.:    PCT/IB2016/054453
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Wed Jul 27 01:59:59 CEST 2016
IPC: H04J 11/00
H04W 4/00
H04W 48/12
H04W 56/00
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: LIN, Xingqin
JOHANSSON, Niklas
WANG, Yi-Pin Eric
ADHIKARY, Ansuman
Title: NARROWBAND LTE CELL SEARCH
Abstract:
Systems and methods relating to a narrowband Primary Synchronization Signal (NB-PSS) and a narrowband Secondary Synchronization Signal (NB-SSS) are disclosed. In some embodiments, a base station in a wireless network comprises a processor and storage that stores instructions executable by the processor whereby the base station is operable to transmit a NB-PSS and a NB-SSS in a narrowband portion of a downlink system bandwidth. The NB-PSS and the NB-SSS are transmitted such that more than two occurrences of the NB-PSS and more than two occurrences of the NB-SSS are transmitted over a defined time interval, each occurrence of the NB-PSS is transmitted over multiple contiguous Orthogonal Frequency Division Multiplexing (OFDM) symbols and each occurrence of the NB-SSS is transmitted over multiple contiguous OFDM symbols, and each occurrence of the NB-SSS provides an indication of a location of the occurrence of the NB-SSS within the defined time interval.