SG11201807613UA - High doppler channel performance enhancement - Google Patents

High doppler channel performance enhancement

Info

Publication number
SG11201807613UA
SG11201807613UA SG11201807613UA SG11201807613UA SG11201807613UA SG 11201807613U A SG11201807613U A SG 11201807613UA SG 11201807613U A SG11201807613U A SG 11201807613UA SG 11201807613U A SG11201807613U A SG 11201807613UA SG 11201807613U A SG11201807613U A SG 11201807613UA
Authority
SG
Singapore
Prior art keywords
international
california
doppler
base station
san diego
Prior art date
Application number
SG11201807613UA
Inventor
Jing Sun
Taesang Yoo
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 SG11201807613UA publication Critical patent/SG11201807613UA/en

Links

Classifications

    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols

Abstract

1, 505 L1L Transmission 10-a Select RS Density Configuration 520-a RS Configured UL Transmission FIG. 5A 105-1, W O 20 17 / 18 427 8 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 26 October 2017 (26.10.2017) WIPO I PCT omits o iflo VII IE (10) International Publication Number WO 2017/184278 Al (51) International Patent Classification: H04B 7/0413 (2017.01) HO4L 27/26 (2006.01) H04L 5/00 (2006.01) (21) International Application Number: PCT/US2017/023044 (22) International Filing Date: 17 March 2017 (17.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/325,946 21 April 2016 (21.04.2016) US 15/461,368 16 March 2017 (16.03.2017) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; Attn: International IP Administration, 5775 Morehouse Dri- ve, San Diego, California 92121-1714 (US). (72) Inventors: SUN, Jing; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). YOO, Taesang; 5775 More- house Drive, San Diego, California 92121-1714 (US). LUO, Tao; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: ANDERSON, Thomas D.; Holland & Hart LLP, P.O. Box 11583, Salt Lake City, Utah 84147 (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, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, 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: with international search report (Art. 21(3)) (54) Title: HIGH DOPPLER CHANNEL PERFORMANCE ENHANCEMENT (57) : A base station may determine a Doppler metric associated with a wireless channel and a user equipment (UE). The Doppler metric may be de- termined from received information related to Doppler effects measured by the UE or from directly measured Doppler effects associated with uplink data re- ceived from the UE. Based on the determined Doppler metric, the base station may select one or both of a reference signal (RS) density and a channel esti- mation technique for the wireless channel and associated UE. The base station may transmit an indication of the RS density to the UE. Downlink data bursts and uplink data bursts may include RSs and data according to the indicated RS density. Further, the base station may transmit to the UE, an indication to com- municate using the selected wireless channel estimation technique.
SG11201807613UA 2016-04-21 2017-03-17 High doppler channel performance enhancement SG11201807613UA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662325946P 2016-04-21 2016-04-21
US15/461,368 US10708796B2 (en) 2016-04-21 2017-03-16 High doppler channel performance enhancement
PCT/US2017/023044 WO2017184278A1 (en) 2016-04-21 2017-03-17 High doppler channel performance enhancement

Publications (1)

Publication Number Publication Date
SG11201807613UA true SG11201807613UA (en) 2018-11-29

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
SG11201807613UA SG11201807613UA (en) 2016-04-21 2017-03-17 High doppler channel performance enhancement
SG10202010284UA SG10202010284UA (en) 2016-04-21 2017-03-17 High doppler channel performance enhancement

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG10202010284UA SG10202010284UA (en) 2016-04-21 2017-03-17 High doppler channel performance enhancement

Country Status (8)

Country Link
US (2) US10708796B2 (en)
EP (1) EP3446408B1 (en)
CN (2) CN113328844B (en)
AU (1) AU2017254079B2 (en)
BR (1) BR112018071566A2 (en)
CA (2) CA3017364C (en)
SG (2) SG11201807613UA (en)
WO (1) WO2017184278A1 (en)

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US10206232B2 (en) 2016-09-29 2019-02-12 At&T Intellectual Property I, L.P. Initial access and radio resource management for integrated access and backhaul (IAB) wireless networks
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Also Published As

Publication number Publication date
US20200322824A1 (en) 2020-10-08
BR112018071566A2 (en) 2019-02-12
EP3446408A1 (en) 2019-02-27
AU2017254079B2 (en) 2021-07-29
CA3017364A1 (en) 2017-10-26
US20170311188A1 (en) 2017-10-26
AU2017254079A1 (en) 2018-09-27
EP3446408B1 (en) 2020-12-02
US10708796B2 (en) 2020-07-07
CN113328844A (en) 2021-08-31
CA3017364C (en) 2024-01-16
CN109075832A (en) 2018-12-21
WO2017184278A1 (en) 2017-10-26
CN113328844B (en) 2024-03-22
CA3216850A1 (en) 2017-10-26
SG10202010284UA (en) 2020-11-27
CN109075832B (en) 2021-05-28

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