Invention Grant
- Patent Title: Synchronization in mixed OFDM sub-carrier spacing scenarios
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Application No.: US15572214Application Date: 2016-10-28
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Publication No.: US10439859B2Publication Date: 2019-10-08
- Inventor: Bengt Lindoff , Magnus Astrom
- Applicant: Telefonaktiebolaget LM Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
- Current Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
- Current Assignee Address: SE Stockholm
- Agency: Leffler Intellectual Property Law, PLLC
- International Application: PCT/EP2016/076022 WO 20161028
- International Announcement: WO2018/077415 WO 20180503
- Main IPC: H04L27/26
- IPC: H04L27/26 ; H04W52/02 ; H04W56/00

Abstract:
A wireless communication device receives OFDM radio signals having different numerologies (i.e. different sub-carrier spacing) and determines whether the transmission, by one or more transmitting nodes, of the OFDM signals are coordinated. The meaning of “coordinated” is to be understood as the OFDM signals are time-synchronized and the determination of whether the OFDM signals are coordinated may involve such actions as reading broadcast or receiving configuration message transmitted in the system, determining a relation (for instance cell/access point beam identity) between transmitted synchronization or reference signals. If the OFDM signals are determined to be coordinated, time and/or frequency offset for the second OFDM signal having the second subcarrier spacing is derived based on the time and/or frequency offset associated with the first OFDM signal having the first subcarrier spacing.
Public/Granted literature
- US20180295009A1 SYNCHRONIZATION IN MIXED OFDM SUB-CARRIER SPACING SCENARIOS Public/Granted day:2018-10-11
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