SG11202102230UA - Two-step random access channel (rach) procedure to four-step rach procedure fallback - Google Patents

Two-step random access channel (rach) procedure to four-step rach procedure fallback

Info

Publication number
SG11202102230UA
SG11202102230UA SG11202102230UA SG11202102230UA SG11202102230UA SG 11202102230U A SG11202102230U A SG 11202102230UA SG 11202102230U A SG11202102230U A SG 11202102230UA SG 11202102230U A SG11202102230U A SG 11202102230UA SG 11202102230U A SG11202102230U A SG 11202102230UA
Authority
SG
Singapore
Prior art keywords
rach
procedure
random access
access channel
fallback
Prior art date
Application number
SG11202102230UA
Inventor
Srinivas Yerramalli
Xiaoxia Zhang
Jing Sun
Seyed Ali Akbar Fakoorian
Ozcan Ozturk
Tao Luo
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 SG11202102230UA publication Critical patent/SG11202102230UA/en

Links

Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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
    • H04W52/362—Aspects of the step size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
SG11202102230UA 2018-10-10 2019-10-10 Two-step random access channel (rach) procedure to four-step rach procedure fallback SG11202102230UA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862744043P 2018-10-10 2018-10-10
US16/597,672 US11445549B2 (en) 2018-10-10 2019-10-09 Two-step random access channel (RACH) procedure to four-step RACH procedure fallback
PCT/US2019/055680 WO2020077115A1 (en) 2018-10-10 2019-10-10 Two-step random access channel (rach) procedure to four-step rach procedure fallback

Publications (1)

Publication Number Publication Date
SG11202102230UA true SG11202102230UA (en) 2021-04-29

Family

ID=70159244

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202102230UA SG11202102230UA (en) 2018-10-10 2019-10-10 Two-step random access channel (rach) procedure to four-step rach procedure fallback

Country Status (6)

Country Link
US (2) US11445549B2 (en)
EP (1) EP3864923A1 (en)
CN (1) CN112789940A (en)
SG (1) SG11202102230UA (en)
TW (1) TWI819118B (en)
WO (1) WO2020077115A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020003468A1 (en) * 2018-06-28 2020-01-02 株式会社Ｎｔｔドコモ User terminal
EP3817496A4 (en) * 2018-06-28 2022-01-26 Ntt Docomo, Inc. User terminal
US11445549B2 (en) * 2018-10-10 2022-09-13 Qualcomm Incorporated Two-step random access channel (RACH) procedure to four-step RACH procedure fallback
EP3876651B1 (en) * 2018-11-01 2023-11-01 Beijing Xiaomi Mobile Software Co., Ltd. Contention random access method and device
US11974325B2 (en) * 2019-02-01 2024-04-30 Lg Electronics Inc. Method for transmitting and receiving physical random access channel preamble in wireless communication system and apparatus therefor
US20210410191A1 (en) * 2019-02-05 2021-12-30 Google Llc Efficient messaging in a procedure for accessing a communication channel
CN111565470B (en) * 2019-02-13 2023-03-28 苹果公司 2 step random access
US20220124820A1 (en) * 2019-02-15 2022-04-21 Lg Electronics Inc. Method for terminal to perform random access channel procedure in wireless communication system, and device for same
US20220132582A1 (en) * 2019-02-15 2022-04-28 Ntt Docomo, Inc. User terminal
CN113491165A (en) * 2019-02-15 2021-10-08 诺基亚技术有限公司 Message structure in two-step random access from user equipment to base station
WO2020191561A1 (en) * 2019-03-22 2020-10-01 Oppo广东移动通信有限公司 Random access method and apparatus, user equipment, and network device
US20220191945A1 (en) * 2019-03-27 2022-06-16 Panasonic Intellectual Property Corporation Of America Terminal and transmission method
WO2020194758A1 (en) * 2019-03-28 2020-10-01 株式会社Ｎｔｔドコモ User device and communication method
EP3965518A4 (en) * 2019-04-30 2022-05-04 Fujitsu Limited Random access method and apparatus, and communication system
US11558899B2 (en) * 2019-08-15 2023-01-17 Industrial Technology Research Institute Method and user equipment of performing resource switching in unlicensed spectrum
US11729723B2 (en) * 2019-11-21 2023-08-15 Qualcomm Incorporated Power control indication for multiple services
US11832350B2 (en) 2020-05-07 2023-11-28 Samsung Electronics Co., Ltd. System and method for providing early indication by reduced capability NR device
CN112203357B (en) * 2020-09-30 2022-01-21 浙江三维利普维网络有限公司 Random access method, device, storage medium and electronic equipment
US20220191940A1 (en) * 2020-12-16 2022-06-16 Samsung Electronics Co., Ltd. Method and apparatus for multiple concurrent random access procedures
US11856609B2 (en) * 2021-03-30 2023-12-26 Qualcomm Incorporated Random access channel preamble transmission parameters based on coverage enhancement level
US11889560B2 (en) * 2021-05-27 2024-01-30 Qualcomm Incorporated Mitigating access congestion on a wireless network
US20230050894A1 (en) * 2021-08-02 2023-02-16 Mediatek Inc. Method and user equipment for pdcch paging early indication detection

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5278642B2 (en) * 2007-10-02 2013-09-04 日本電気株式会社 Common channel resource allocation method and apparatus
WO2015094057A1 (en) * 2013-12-19 2015-06-25 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for providing random access information when paging a wireless device
WO2016114691A1 (en) * 2015-01-13 2016-07-21 Telefonaktiebolaget Lm Ericsson (Publ) A network node, a wireless device and respective method performed thereby for use in a random access procedure therebetween in a cell of the network node
US10615862B2 (en) * 2016-04-13 2020-04-07 Qualcomm Incorporated System and method for beam adjustment request
US10505618B2 (en) * 2016-08-10 2019-12-10 Samsung Electronics Co., Ltd. Method and apparatus for beam measurement and management in wireless systems
WO2018049274A1 (en) 2016-09-09 2018-03-15 Intel IP Corporation Low latency random access channel procedures for beamformed systems
JP7074122B2 (en) * 2016-09-28 2022-05-24 ソニーグループ株式会社 Random access in next-generation wireless systems
US11770855B2 (en) 2016-10-19 2023-09-26 Qualcomm Incorporated Random access channel (RACH) procedure design
US10433342B2 (en) 2016-10-19 2019-10-01 Qualcomm Incorporated Enhanced random access channel (RACH) procedure
CN108271275B (en) * 2017-01-04 2021-02-05 电信科学技术研究院 Method and device for competing random access
US10785801B2 (en) 2017-01-05 2020-09-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for random access in a wireless communication system
CN108282897B (en) * 2017-01-06 2020-04-17 电信科学技术研究院 Random access feedback and processing method, base station and terminal
US10313158B2 (en) * 2017-01-09 2019-06-04 Mediatek Inc. Method for data transmission and reception of random access procedure
KR102505734B1 (en) * 2017-01-13 2023-03-03 모토로라 모빌리티 엘엘씨 Method and Apparatus for Performing Contention Based Random Access in Carrier Frequency
US10531388B2 (en) * 2017-02-06 2020-01-07 Qualcomm Incorporated Data transmission in inactive state
JP2020065095A (en) * 2017-02-20 2020-04-23 シャープ株式会社 Terminal device, base station device, communication method, and integrated circuit
US10397958B2 (en) * 2017-03-17 2019-08-27 Asustek Computer Inc. Method and apparatus for backoff mechanism applied for random access procedure in a wireless communication system
US9949298B1 (en) 2017-05-04 2018-04-17 At&T Intellectual Property I, L.P. Facilitating signaling and transmission protocols for enhanced beam management for initial access
WO2018204887A1 (en) * 2017-05-04 2018-11-08 Ofinno Technologies, Llc Rach power offset
EP3677086B1 (en) * 2017-09-29 2023-11-15 Samsung Electronics Co., Ltd. Apparatus and method for handling bandwidth part configuration for random access channel procedure in wireless communication system
CN109756991B (en) * 2017-11-06 2021-11-19 华为技术有限公司 Communication method and device
CN110475378B (en) * 2018-05-10 2023-01-10 北京三星通信技术研究有限公司 Scheduling-free uplink transmission method, user equipment and base station equipment
US11848718B2 (en) 2018-08-07 2023-12-19 Interdigital Patent Holdings, Inc. Radio resource management in wireless systems
EP4255047A3 (en) * 2018-09-21 2023-12-27 Samsung Electronics Co., Ltd. Method and apparatus for performing two step or four step random access procedure
EP3629638B1 (en) * 2018-09-27 2022-09-14 Comcast Cable Communications LLC Power control for retransmissions
CN113170432B (en) * 2018-09-28 2023-05-05 中兴通讯股份有限公司 Random access in wireless communications
WO2020067833A1 (en) * 2018-09-28 2020-04-02 Samsung Electronics Co., Ltd. Random access method and apparatus in wireless communication system
US11445549B2 (en) * 2018-10-10 2022-09-13 Qualcomm Incorporated Two-step random access channel (RACH) procedure to four-step RACH procedure fallback

Also Published As

Publication number Publication date
TWI819118B (en) 2023-10-21
EP3864923A1 (en) 2021-08-18
US11445549B2 (en) 2022-09-13
US20200120713A1 (en) 2020-04-16
CN112789940A (en) 2021-05-11
WO2020077115A1 (en) 2020-04-16
US20220386384A1 (en) 2022-12-01
TW202025840A (en) 2020-07-01

Similar Documents

Publication Publication Date Title
SG11202102230UA (en) Two-step random access channel (rach) procedure to four-step rach procedure fallback
SG11202108024PA (en) Fallback procedures for two-step random access procedures
SG11202106904XA (en) Random access procedure fallback
HK1251996A1 (en) Enhanced rach (random access channel) design for 5g ciot (cellular internet of things)
HK1247501A1 (en) Random access procedure for enhanced coverage support
ZA202004329B (en) Random access procedure
HUE051578T2 (en) Repetition level coverage enhancement techniques for physical random access channel transmissions
SG11202107450PA (en) Configuration of a first message for a two-step random access channel procedure
PT3351047T (en) Random access procedure for latency reduction
HUE043141T2 (en) Physical random access channel enhanced transmission method, prach transmission system and terminal
SG11202107675WA (en) Random access channel procedure selection scheme
EP3925369C0 (en) Two-step random access procedure
EP3884704A4 (en) Random access channel (rach)-less procedure
SG11202012454YA (en) Physical random access channel (prach) configuration periodicity extension for backhaul links
GB201520512D0 (en) Dynamic memory scrambling
GB2544825B (en) Improved contention mechanism for access to random resource units in an 802.11 channel
SG11201706151WA (en) Enhanced rach algorithm for multi-sim devices
SG11202106376TA (en) Variable payload size for two-step random access
SG11202111810TA (en) Mapping one preamble to multiple physical uplink shared channel resource units for two-step random access procedure
EP3964014C0 (en) Two-step contention-free random access
GB2543584B (en) Improved contention mechanism for access to random resource units in an 802.11 channel
ZA201803320B (en) Pharmaceutical compositions for treating pain
SG11202108190TA (en) Random access channel occasion configuration
SG11202102694QA (en) Random access procedure
GB2574852B (en) Random access procedures