SG11201908608RA - Ue selection of contention-free and contention-based random access for handover - Google Patents

Ue selection of contention-free and contention-based random access for handover

Info

Publication number
SG11201908608RA
SG11201908608RA SG11201908608RA SG11201908608RA SG 11201908608R A SG11201908608R A SG 11201908608RA SG 11201908608R A SG11201908608R A SG 11201908608RA SG 11201908608R A SG11201908608R A SG 11201908608RA
Authority
SG
Singapore
Prior art keywords
random access
international
attn
san diego
california
Prior art date
Application number
Inventor
Sumeeth Nagaraja
Tao Luo
Wilson Makesh Pravin John
Sony Akkarakaran
Juan Montojo
Shengbo Chen
Wooseok Nam
Xiao Feng Wang
Kaushik Chakraborty
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 SG11201908608RA publication Critical patent/SG11201908608RA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H04W36/0044—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of quality context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points
    • 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
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random 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, e.g. scheduled or random access
    • H04W74/02—Hybrid access techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/04—Scheduled or contention-free access

Abstract

CBRA CFRA Initiate the random access request using the CBRA. Initiate a random access request using the CFRA. ) 403 404 FIG. 4 Receive a random access configuration, wherein the random access configuration includes configuration for CFRA and CBRA. Determine a first random access resource, wherein the first random access resource maps to one or more beams from a target base station. ) 401 ) 400 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 08 November 2018 (08.11.2018) WIPO I PCT o iimion ono looi olo muoi (10) International Publication Number WO 2018/204766 A2 (51) International Patent Classification: H04W 74/08 (2009.01) (21) International Application Number: PCT/US2018/031059 (22) International Filing Date: 04 May 2018 (04.05.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/502,159 05 May 2017 (05.05.2017) US 15/970,554 03 May 2018 (03.05.2018) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: NAGARAJA, Sumeeth; QUALCOMM In- corporated, ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). LUO, Tao; QUALCOMM Incorporated, ATTN: Inter- national IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). JOHN WILSON, Makesh Pravin; QUALCOMM Incorporated, ATTN: In- ternational IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). AKKARAKARAN, Sony; QUALCOMM Incorporated, ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). MONTOJO, Juan; QUAL- COMM Incorporated, ATTN: International IP Adminis- tration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHEN, Shengbo; QUALCOMM In- corporated, ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). NAM, Wooseok; QUALCOMM Incorporated, ATTN: In- ternational IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). WANG, Xiao Feng; QUALCOMM Incorporated, ATTN: International IP Ad- ministration, 5775 Morehouse Drive, San Diego, Cali- fornia 92121-1714 (US). CHAKRABORTY, Kaushik; QUALCOMM Incorporated, ATTN: International IP Ad- ministration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: MEANEY, Thomas J.; Norton Rose Fulbright US LLP, 2200 Ross Avenue, Suite 3600, Dallas, Texas 75201-7932 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (54) Title: UE SELECTION OF CONTENTION-FREE AND CONTENTION-BASED RANDOM ACCESS FOR HANDOVER W O 20 18/ 20 47 66 A2 (57) : User equipment (UE) selection of contention-free random access (CFRA) and contention-based random access (CBRA) for handover processing is discussed. The aspects in- clude receiving a random access configuration at the UE includ- ing configuration for CFRA and CBRA. The UE will determine a first random access resource, wherein the first random access re- source maps to one or more beams from a target base station. The UE may initiate a random access request using the CFRA when the first random access resource is a contention-free resource, and initiate the random access request using the CBRA when the first random access resource is a contention-based resource. [Continued on next page] WO 2018/204766 A2 IMIOHOIMIREIHHIMINEEMERHOMMIE DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: without international search report and to be republished upon receipt of that report (Rule 48.2(g))
SG11201908608R 2017-05-05 2018-05-04 Ue selection of contention-free and contention-based random access for handover SG11201908608RA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762502159P 2017-05-05 2017-05-05
US15/970,554 US10638378B2 (en) 2017-05-05 2018-05-03 UE selection of contention-free and contention-based random access for handover
PCT/US2018/031059 WO2018204766A2 (en) 2017-05-05 2018-05-04 Ue selection of contention-free and contention-based random access for handover

Publications (1)

Publication Number Publication Date
SG11201908608RA true SG11201908608RA (en) 2019-11-28

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US (2) US10638378B2 (en)
EP (1) EP3620023B1 (en)
JP (1) JP7153673B2 (en)
KR (1) KR102627530B1 (en)
CN (1) CN110583090B (en)
BR (1) BR112019022857A2 (en)
ES (1) ES2904781T3 (en)
SG (1) SG11201908608RA (en)
TW (2) TWI761507B (en)
WO (2) WO2018201670A1 (en)

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TW201844051A (en) 2018-12-16
US10638378B2 (en) 2020-04-28
KR102627530B1 (en) 2024-01-19
EP3620023A2 (en) 2020-03-11
WO2018204766A2 (en) 2018-11-08
EP3620023B1 (en) 2021-12-29
JP2020519121A (en) 2020-06-25
US11382007B2 (en) 2022-07-05
TW201844052A (en) 2018-12-16
US20180324653A1 (en) 2018-11-08
WO2018204766A3 (en) 2018-12-13
KR20200003799A (en) 2020-01-10
US20200245198A1 (en) 2020-07-30
WO2018201670A1 (en) 2018-11-08
JP7153673B2 (en) 2022-10-14
ES2904781T3 (en) 2022-04-06
BR112019022857A2 (en) 2020-05-19
TWI761507B (en) 2022-04-21
CN110583090B (en) 2023-06-13
CN110583090A (en) 2019-12-17

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