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Method and system for determination of synchronization signal (SS) block mapping pattern in wireless network

A wireless network and synchronization signal technology, applied in wireless communication, orthogonal multiplexing system, synchronization device, etc., can solve the problems of lack of consistent methods

Pending Publication Date: 2021-03-26
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these schemes lack a consistent way for a terminal device to determine which Synchronization Signal (SS) Subcarrier Spacing (SCS) option to identify from the network when the terminal device supports multiple SS block mode candidates with the same subcarrier spacing. Synchronization Signal and Physical Resource (SS / PBCH) Blocks for Devices

Method used

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  • Method and system for determination of synchronization signal (SS) block mapping pattern in wireless network
  • Method and system for determination of synchronization signal (SS) block mapping pattern in wireless network
  • Method and system for determination of synchronization signal (SS) block mapping pattern in wireless network

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Experimental program
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Embodiment

[0070] First set of embodiments (methods)

[0071] Once a terminal device receives a message indicating an SS block SCS option that maps to multiple SS block mode candidates, the terminal device decodes the message to identify the information that will help it determine which SS block mode candidate should be selected as the SS block mode information. The identification may be based on an indication of radio access technology support in the message indicating at least one of Long Term Evolution (LTE), New Radio (NR).

[0072] For example, when the SS block SCS option included in the received message is indicated as 30 kHz, both case B and case C are compatible, then the terminal device can decode the message carrying the SS block SCS option indication, and determine whether it is case B or case C Case C should be used as SS block pattern to identify SSB candidate locations. Case B is more suitable than Case C for frequency bands with coexistence of LTE and NR (e.g., using ...

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Abstract

Embodiments of the invention include methods, systems, and computer programs to determine synchronization signal (SS) block mapping pattern in a wireless network. In one embodiment, a method is implemented in a terminal device for synchronization signal block (SSB) search in a wireless network, the method includes receiving, by the terminal device from a network device, a message containing synchronization signal block (SSB) information indicating a synchronization signal (SS) block subcarrier spacing (SCS) option, where the SS block SCS option maps to a plurality of SS block pattern candidates. The method continues with obtaining SSB candidate locations, using a SS block pattern selection from the plurality of SS block pattern candidates for the terminal device selected.

Description

technical field [0001] Embodiments of the present invention relate to the field of wireless communications, and more particularly, to a method, system and computer program for exchanging information to determine a synchronization signal (SS) block mapping pattern in a wireless communications network. Background technique [0002] In order to connect to the network, the device needs to get network synchronization and obtain the necessary SI (system information). The synchronization signal is used to adjust the frequency of the device relative to the network and to find the proper timing of signals received from the network. Synchronization signal between synchronization signal and PBCH block (SS / PBCH block, sometimes simply referred to as SS block (or SSB), the terms "SS / PBCH block", "SS block" and "SSB" are used interchangeably in this disclosure) in transmission. SS / PBCH blocks are transmitted from network equipment (eg base station) to terminal equipment (eg user equipme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/02
CPCH04W56/00H04L5/0007H04L5/0094H04L5/005H04L5/0053H04L5/0064H04L5/0087H04L5/0048H04J11/0069H04W48/10H04L27/26025H04W56/001H04W72/1263
Inventor 林志鹏A·格罗夫伦F·奥维索R·巴尔德梅尔C·泰德斯塔夫
Owner TELEFON AB LM ERICSSON (PUBL)