SG11202004029YA - Time synchronization for wireless communications - Google Patents

Time synchronization for wireless communications

Info

Publication number
SG11202004029YA
SG11202004029YA SG11202004029YA SG11202004029YA SG11202004029YA SG 11202004029Y A SG11202004029Y A SG 11202004029YA SG 11202004029Y A SG11202004029Y A SG 11202004029YA SG 11202004029Y A SG11202004029Y A SG 11202004029YA SG 11202004029Y A SG11202004029Y A SG 11202004029YA
Authority
SG
Singapore
Prior art keywords
wireless communications
time synchronization
synchronization
time
communications
Prior art date
Application number
SG11202004029YA
Other languages
English (en)
Inventor
Satashu Goel
Junyi Li
Karl Georg Hampel
Peerapol Tinnakornsrisuphap
Rajat Prakash
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11202004029YA publication Critical patent/SG11202004029YA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0025—Synchronization between nodes synchronizing potentially movable access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
SG11202004029YA 2017-12-19 2018-12-12 Time synchronization for wireless communications SG11202004029YA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762607885P 2017-12-19 2017-12-19
US201862615282P 2018-01-09 2018-01-09
US16/215,922 US11233594B2 (en) 2017-12-19 2018-12-11 Time synchronization for wireless communications
PCT/US2018/065181 WO2019125863A1 (en) 2017-12-19 2018-12-12 Time synchronization for wireless communications

Publications (1)

Publication Number Publication Date
SG11202004029YA true SG11202004029YA (en) 2020-07-29

Family

ID=66814821

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202004029YA SG11202004029YA (en) 2017-12-19 2018-12-12 Time synchronization for wireless communications

Country Status (9)

Country Link
US (1) US11233594B2 (enrdf_load_stackoverflow)
EP (1) EP3729884B1 (enrdf_load_stackoverflow)
JP (1) JP7314140B2 (enrdf_load_stackoverflow)
KR (1) KR102676172B1 (enrdf_load_stackoverflow)
CN (2) CN111492700A (enrdf_load_stackoverflow)
BR (1) BR112020012005A2 (enrdf_load_stackoverflow)
SG (1) SG11202004029YA (enrdf_load_stackoverflow)
TW (1) TWI770325B (enrdf_load_stackoverflow)
WO (1) WO2019125863A1 (enrdf_load_stackoverflow)

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Also Published As

Publication number Publication date
TW201929581A (zh) 2019-07-16
KR20200097277A (ko) 2020-08-18
EP3729884A1 (en) 2020-10-28
JP2021507613A (ja) 2021-02-22
TWI770325B (zh) 2022-07-11
KR102676172B1 (ko) 2024-06-17
JP7314140B2 (ja) 2023-07-25
CN111492700A (zh) 2020-08-04
EP3729884B1 (en) 2023-03-01
BR112020012005A2 (pt) 2020-11-17
US11233594B2 (en) 2022-01-25
US20190190635A1 (en) 2019-06-20
CN117241369A (zh) 2023-12-15
WO2019125863A1 (en) 2019-06-27

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