KR102261184B1 - 랜덤 액세스 절차를 수행하는 방법 - Google Patents

랜덤 액세스 절차를 수행하는 방법 Download PDF

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KR102261184B1
KR102261184B1 KR1020167011378A KR20167011378A KR102261184B1 KR 102261184 B1 KR102261184 B1 KR 102261184B1 KR 1020167011378 A KR1020167011378 A KR 1020167011378A KR 20167011378 A KR20167011378 A KR 20167011378A KR 102261184 B1 KR102261184 B1 KR 102261184B1
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random access
cell
access preamble
prach
transmission
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KR20160087801A (ko
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황대성
이윤정
양석철
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엘지전자 주식회사
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/20Selecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/38TPC being performed in particular situations
    • H04W52/50TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/04Scheduled access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • H04W74/0838Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0866Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H04W74/0875Non-scheduled access, e.g. ALOHA using a dedicated channel for access with assigned priorities based access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • H04W84/045Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020167011378A 2013-11-19 2014-10-16 랜덤 액세스 절차를 수행하는 방법 Active KR102261184B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361906398P 2013-11-19 2013-11-19
US61/906,398 2013-11-19
US201461932208P 2014-01-27 2014-01-27
US61/932,208 2014-01-27
US201462060540P 2014-10-06 2014-10-06
US62/060,540 2014-10-06
PCT/KR2014/009723 WO2015076501A1 (ko) 2013-11-19 2014-10-16 랜덤 액세스 절차를 수행하는 방법

Publications (2)

Publication Number Publication Date
KR20160087801A KR20160087801A (ko) 2016-07-22
KR102261184B1 true KR102261184B1 (ko) 2021-06-04

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US (4) US9826554B2 (enExample)
EP (2) EP3073649B1 (enExample)
JP (1) JP6509853B2 (enExample)
KR (1) KR102261184B1 (enExample)
CN (1) CN105745849B (enExample)
RU (1) RU2634712C1 (enExample)
WO (1) WO2015076501A1 (enExample)

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JP6509853B2 (ja) 2019-05-08
US9826554B2 (en) 2017-11-21
EP3627954A1 (en) 2020-03-25
EP3627954B1 (en) 2022-08-31
RU2634712C1 (ru) 2017-11-03
JP2017504233A (ja) 2017-02-02
US10887924B2 (en) 2021-01-05
CN105745849B (zh) 2019-08-27
EP3073649A1 (en) 2016-09-28
EP3073649B1 (en) 2019-12-04
US20180035472A1 (en) 2018-02-01
WO2015076501A1 (ko) 2015-05-28
KR20160087801A (ko) 2016-07-22
US20180279383A1 (en) 2018-09-27
US20160302235A1 (en) 2016-10-13
EP3073649A4 (en) 2017-07-12
US10009932B2 (en) 2018-06-26
US20190268948A1 (en) 2019-08-29
US10327266B2 (en) 2019-06-18
CN105745849A (zh) 2016-07-06

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