KR20210145269A - Rach 과정을 위한 사용자 기기 및 그 방법 - Google Patents

Rach 과정을 위한 사용자 기기 및 그 방법 Download PDF

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Publication number
KR20210145269A
KR20210145269A KR1020217036057A KR20217036057A KR20210145269A KR 20210145269 A KR20210145269 A KR 20210145269A KR 1020217036057 A KR1020217036057 A KR 1020217036057A KR 20217036057 A KR20217036057 A KR 20217036057A KR 20210145269 A KR20210145269 A KR 20210145269A
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KR
South Korea
Prior art keywords
message
step rach
power
rach process
processor
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
KR1020217036057A
Other languages
English (en)
Korean (ko)
Inventor
용셩 쉬
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 filed Critical 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
Priority claimed from PCT/CN2019/115014 external-priority patent/WO2020199581A1/en
Publication of KR20210145269A publication Critical patent/KR20210145269A/ko
Withdrawn legal-status Critical Current

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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
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H04W74/008—
    • 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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • 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
    • H04W74/0836—Random access procedures, e.g. with 4-step access with 2-step access

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020217036057A 2019-04-04 2019-11-01 Rach 과정을 위한 사용자 기기 및 그 방법 Withdrawn KR20210145269A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962829508P 2019-04-04 2019-04-04
US62/829,508 2019-04-04
PCT/CN2019/115014 WO2020199581A1 (en) 2019-04-04 2019-11-01 User equipment and method for random access channel procedure of same

Publications (1)

Publication Number Publication Date
KR20210145269A true KR20210145269A (ko) 2021-12-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217036057A Withdrawn KR20210145269A (ko) 2019-04-04 2019-11-01 Rach 과정을 위한 사용자 기기 및 그 방법

Country Status (6)

Country Link
US (1) US20220030640A1 (https=)
EP (1) EP3939372A4 (https=)
JP (1) JP2022529585A (https=)
KR (1) KR20210145269A (https=)
CN (1) CN111527788B (https=)
BR (1) BR112021019639A2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022126302A1 (en) * 2020-12-14 2022-06-23 Qualcomm Incorporated Determining an initial prach preamble transmission power based on historical completed prach procedures
US12495437B2 (en) * 2021-04-16 2025-12-09 T-Mobile Usa, Inc. Efficient random access channel (RACH) procedure determination
US12452807B2 (en) * 2021-09-24 2025-10-21 Apple Inc. Efficient PRACH transmission in a fallback RACH procedure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10433342B2 (en) * 2016-10-19 2019-10-01 Qualcomm Incorporated Enhanced random access channel (RACH) procedure
CN108271275B (zh) * 2017-01-04 2021-02-05 电信科学技术研究院 一种竞争随机接入的方法和装置
US10848287B2 (en) * 2017-01-13 2020-11-24 Motorola Mobility Llc Method and apparatus for performing contention based random access in a carrier frequency

Also Published As

Publication number Publication date
CN111527788B (zh) 2023-07-25
JP2022529585A (ja) 2022-06-23
BR112021019639A2 (pt) 2022-01-18
CN111527788A (zh) 2020-08-11
EP3939372A1 (en) 2022-01-19
EP3939372A4 (en) 2022-04-27
US20220030640A1 (en) 2022-01-27

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