WO2021113883A3 - Appareil et procédé de sélection de cellule flexible - Google Patents

Appareil et procédé de sélection de cellule flexible Download PDF

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Publication number
WO2021113883A3
WO2021113883A3 PCT/US2021/022634 US2021022634W WO2021113883A3 WO 2021113883 A3 WO2021113883 A3 WO 2021113883A3 US 2021022634 W US2021022634 W US 2021022634W WO 2021113883 A3 WO2021113883 A3 WO 2021113883A3
Authority
WO
WIPO (PCT)
Prior art keywords
pss
frequency
raster
processing circuit
circuit
Prior art date
Application number
PCT/US2021/022634
Other languages
English (en)
Other versions
WO2021113883A2 (fr
Inventor
Ping Hou
Yamming WANG
Yuanye WANG
Original Assignee
Zeku, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeku, Inc. filed Critical Zeku, Inc.
Priority to CN202180022551.6A priority Critical patent/CN115362658B/zh
Publication of WO2021113883A2 publication Critical patent/WO2021113883A2/fr
Publication of WO2021113883A3 publication Critical patent/WO2021113883A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H04L27/2659—Coarse or integer frequency offset determination and synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Manipulation Of Pulses (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne une puce de bande de base qui peut comprendre un circuit de décalage/décimation de fréquence (FSD) conçu pour recevoir un échantillon de radiofréquence (RF). Le circuit FSD peut faire tourner l'échantillon RF par des quantités fixes par rapport à une fréquence centrale de bloc de signal de synchronisation (SSB) pour obtenir une pluralité de fréquences de trame. La puce de bande de base peut en outre comprendre un circuit de traitement de signal de synchronisation primaire (PSS) qui peut estimer un ensemble de décalages de fréquence entiers (IFO) pour chaque fréquence de trame dans la pluralité de fréquences de trame, chaque IFO pouvant être estimé pour une étape SCS différente dans une plage de SCS. Le circuit de traitement PSS peut effectuer une corrélation PSS pour chaque IFO. Le circuit de traitement PSS peut sélectionner un candidat PSS pour chaque fréquence de trame sur la base, au moins en partie, de la corrélation PSS effectuée pour chacune des fréquences de trame.
PCT/US2021/022634 2020-03-19 2021-03-16 Appareil et procédé de sélection de cellule flexible WO2021113883A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202180022551.6A CN115362658B (zh) 2020-03-19 2021-03-16 灵活小区选择的装置和方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062991905P 2020-03-19 2020-03-19
US62/991,905 2020-03-19

Publications (2)

Publication Number Publication Date
WO2021113883A2 WO2021113883A2 (fr) 2021-06-10
WO2021113883A3 true WO2021113883A3 (fr) 2021-07-15

Family

ID=76222045

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2021/022634 WO2021113883A2 (fr) 2020-03-19 2021-03-16 Appareil et procédé de sélection de cellule flexible

Country Status (2)

Country Link
CN (1) CN115362658B (fr)
WO (1) WO2021113883A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113795048B (zh) * 2021-10-27 2023-12-26 紫光展锐(重庆)科技有限公司 一种功率处理方法、通信装置、芯片及其模组设备
WO2023140852A1 (fr) * 2022-01-20 2023-07-27 Zeku, Inc. Appareil et procédé mettant en œuvre une estimation de décalage de fréquence
WO2023200445A1 (fr) * 2022-04-14 2023-10-19 Zeku, Inc. Appareil et procédé de détection de cellule

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130250818A1 (en) * 2012-03-20 2013-09-26 Qualcomm Incorporated Synchronization Channel Design for New Carrier Type
US20160174138A1 (en) * 2014-12-11 2016-06-16 Intel IP Corporation Method of processing received digitized signals and mobile radio communication terminal device
US20190253959A1 (en) * 2016-11-08 2019-08-15 Fujitsu Limited Cell Search and Synchronization in 5G
WO2019161767A1 (fr) * 2018-02-21 2019-08-29 Mediatek Inc. Décalage de trame de bloc de signal de synchronisation dans des communications mobiles
US20190289530A1 (en) * 2017-11-17 2019-09-19 Lg Electronics Inc. Method of transmitting and receiving downlink channel and apparatus therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104065604B (zh) * 2013-03-21 2017-09-29 联想(北京)有限公司 信号同步方法、接收端及系统
US9474016B2 (en) * 2015-02-13 2016-10-18 Freescale Semiconductor, Inc. Cell search in a wireless communication network
US9674808B1 (en) * 2015-10-21 2017-06-06 Mbit Wireless, Inc. Method and apparatus for early frequency synchronization in LTE wireless communication systems
US10285144B2 (en) * 2015-11-05 2019-05-07 Qualcomm Incorporated Clean-slate synchronization signal design and cell search algorithms

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130250818A1 (en) * 2012-03-20 2013-09-26 Qualcomm Incorporated Synchronization Channel Design for New Carrier Type
US20160174138A1 (en) * 2014-12-11 2016-06-16 Intel IP Corporation Method of processing received digitized signals and mobile radio communication terminal device
US20190253959A1 (en) * 2016-11-08 2019-08-15 Fujitsu Limited Cell Search and Synchronization in 5G
US20190289530A1 (en) * 2017-11-17 2019-09-19 Lg Electronics Inc. Method of transmitting and receiving downlink channel and apparatus therefor
WO2019161767A1 (fr) * 2018-02-21 2019-08-29 Mediatek Inc. Décalage de trame de bloc de signal de synchronisation dans des communications mobiles

Also Published As

Publication number Publication date
WO2021113883A2 (fr) 2021-06-10
CN115362658B (zh) 2023-09-01
CN115362658A (zh) 2022-11-18

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