CN107409419B - 针对包括未许可频谱的独立式基于竞争的通信的增强型prach - Google Patents

针对包括未许可频谱的独立式基于竞争的通信的增强型prach Download PDF

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CN107409419B
CN107409419B CN201680011480.9A CN201680011480A CN107409419B CN 107409419 B CN107409419 B CN 107409419B CN 201680011480 A CN201680011480 A CN 201680011480A CN 107409419 B CN107409419 B CN 107409419B
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random access
subframe
signal
boundary
downlink
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CN107409419A (zh
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Z·刘
张晓霞
陈万士
S·马利克
A·达姆尼亚诺维奇
O·J·达比尔
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0825—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201680011480.9A 2015-02-24 2016-02-23 针对包括未许可频谱的独立式基于竞争的通信的增强型prach Active CN107409419B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562120205P 2015-02-24 2015-02-24
US62/120,205 2015-02-24
US15/050,404 US10136452B2 (en) 2015-02-24 2016-02-22 Enhanced PRACH for standalone contention based communications including unlicensed spectrum
US15/050,404 2016-02-22
PCT/US2016/019065 WO2016137948A1 (en) 2015-02-24 2016-02-23 Enhanced prach for standalone contention-based communications including unlicensed spectrum

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CN107409419A CN107409419A (zh) 2017-11-28
CN107409419B true CN107409419B (zh) 2020-11-17

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US (1) US10136452B2 (enExample)
EP (1) EP3262891B1 (enExample)
JP (1) JP6749927B2 (enExample)
KR (1) KR102457148B1 (enExample)
CN (1) CN107409419B (enExample)
WO (1) WO2016137948A1 (enExample)

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EP3262891A1 (en) 2018-01-03
US20160323915A1 (en) 2016-11-03
JP2018506240A (ja) 2018-03-01
US10136452B2 (en) 2018-11-20
KR102457148B1 (ko) 2022-10-19
EP3262891B1 (en) 2019-12-04
KR20170120603A (ko) 2017-10-31
CN107409419A (zh) 2017-11-28
JP6749927B2 (ja) 2020-09-02
WO2016137948A8 (en) 2017-09-14
BR112017018082A2 (en) 2018-04-10
WO2016137948A1 (en) 2016-09-01

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