US 10,757,637 B2 · User terminal, radio base station, and radio communication method

Abstract

According to the present invention, the processing load required for a cell search can be reduced even if communication is carried out with a communication system that has a plurality of parameter sets that configure radio frames. A user terminal is provided which is configured to carry out communication with a communication system having a plurality of parameter sets that respectively configure radio frames, the user terminal including a receiving section configured to receive synchronization signals transmitted from the communication system, and a control section configured to control a cell search based on the received synchronization signals. A signal configuration of each synchronization signal transmitted from the communication system is the same, without depending on a parameter set that configures a radio frame.

Claims14

Dependent claims

A terminal comprising:

a processor that determines a same sequence pattern for a plurality of subcarrier spacings of a synchronization signal in a radio access technology (RAT);
a receiver that receives the synchronization signal based on the same sequence pattern,
wherein the processor performs cell search based on the synchronization signal to select a cell;
and
a transmitter that transmits a signal on the cell selected based on the cell search.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/756,115Filed 29 Aug 2016

Priority

JP 2015-1722821 Sep 2015

Published

US 2018/0249400 A130 Aug 2018

Granted

25 Aug 2020

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

H04W 48/16
Access restriction ; Network selection; Access point selection: discovering, processing access restriction or access information
H04J 11/0073
Cell search, i.e. determining cell identity [cell-ID]: acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
H04J 11/0076
Cell search, i.e. determining cell identity [cell-ID]: acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
H04J 11/0079
Cell search, i.e. determining cell identity [cell-ID]: acquisition of downlink reference signals, e.g. detection of cell-ID

User terminal, radio base station, and radio communication method

Life of this patent

User terminal, radio base station, and radio communication method

Life of this patent

Abstract

Claims14