KR102222348B1 - 네트워크 커버리지가 없는 디바이스 대 디바이스 통신에서의 초기 동기화 및 충돌 방지를 위한 방법 및 시스템 - Google Patents

네트워크 커버리지가 없는 디바이스 대 디바이스 통신에서의 초기 동기화 및 충돌 방지를 위한 방법 및 시스템 Download PDF

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KR102222348B1
KR102222348B1 KR1020167005885A KR20167005885A KR102222348B1 KR 102222348 B1 KR102222348 B1 KR 102222348B1 KR 1020167005885 A KR1020167005885 A KR 1020167005885A KR 20167005885 A KR20167005885 A KR 20167005885A KR 102222348 B1 KR102222348 B1 KR 102222348B1
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presence signal
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time
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KR20160042936A (ko
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남 응웬
유페이 우 블랑켄십
사가 다칼
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블랙베리 리미티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • 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
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • 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
    • H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
KR1020167005885A 2013-08-08 2014-08-08 네트워크 커버리지가 없는 디바이스 대 디바이스 통신에서의 초기 동기화 및 충돌 방지를 위한 방법 및 시스템 Active KR102222348B1 (ko)

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KR1020217004448A KR102369748B1 (ko) 2013-08-08 2014-08-08 네트워크 커버리지가 없는 디바이스 대 디바이스 통신에서의 초기 동기화 및 충돌 방지를 위한 방법 및 시스템

Applications Claiming Priority (3)

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US13/962,708 2013-08-08
US13/962,708 US9210690B2 (en) 2013-08-08 2013-08-08 Method and system for initial synchronization and collision avoidance in device to device communications without network coverage
PCT/US2014/050391 WO2015021410A1 (en) 2013-08-08 2014-08-08 Method and system for initial synchronization and collison avoidance in device to device communications without network coverage

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KR20160042936A KR20160042936A (ko) 2016-04-20
KR102222348B1 true KR102222348B1 (ko) 2021-03-03

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KR1020217004448A Active KR102369748B1 (ko) 2013-08-08 2014-08-08 네트워크 커버리지가 없는 디바이스 대 디바이스 통신에서의 초기 동기화 및 충돌 방지를 위한 방법 및 시스템

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US (7) US9210690B2 (https=)
EP (4) EP4224953B1 (https=)
JP (3) JP2016529827A (https=)
KR (2) KR102222348B1 (https=)
CN (4) CN110248407B (https=)
CA (1) CA2920657C (https=)
ES (3) ES2952287T3 (https=)
FI (1) FI3958623T3 (https=)
HU (1) HUE056069T2 (https=)
WO (1) WO2015021410A1 (https=)

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KR20160042936A (ko) 2016-04-20
JP2019083588A (ja) 2019-05-30
EP3651509B1 (en) 2021-10-06
EP3020236B1 (en) 2020-01-08
FI3958623T3 (fi) 2023-07-13
JP2016529827A (ja) 2016-09-23
EP3958623B1 (en) 2023-06-07
CN110267238A (zh) 2019-09-20
US20160323924A1 (en) 2016-11-03
CN110248406A (zh) 2019-09-17
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US9775187B2 (en) 2017-09-26
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