EP3906734A4 - Reference signaling for neighbor interference management - Google Patents

Reference signaling for neighbor interference management Download PDF

Info

Publication number
EP3906734A4
EP3906734A4 EP19907738.9A EP19907738A EP3906734A4 EP 3906734 A4 EP3906734 A4 EP 3906734A4 EP 19907738 A EP19907738 A EP 19907738A EP 3906734 A4 EP3906734 A4 EP 3906734A4
Authority
EP
European Patent Office
Prior art keywords
interference management
reference signaling
neighbor interference
neighbor
signaling
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.)
Pending
Application number
EP19907738.9A
Other languages
German (de)
French (fr)
Other versions
EP3906734A1 (en
Inventor
Huilin Xu
Tingfang Ji
Yiqing Cao
Yuwei REN
Alexandros MANOLAKOS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 EP3906734A1 publication Critical patent/EP3906734A1/en
Publication of EP3906734A4 publication Critical patent/EP3906734A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0056—Inter-base station aspects
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03821—Inter-carrier interference cancellation [ICI]
    • 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
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • 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
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0026—Division using four or more dimensions
    • 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
    • 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
    • H04L5/0078—Timing of allocation
    • 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
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP19907738.9A 2019-01-03 2019-12-31 Reference signaling for neighbor interference management Pending EP3906734A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/070192 WO2020140225A1 (en) 2019-01-03 2019-01-03 Reference signaling for neighbor interference management
PCT/CN2019/130365 WO2020140888A1 (en) 2019-01-03 2019-12-31 Reference signaling for neighbor interference management

Publications (2)

Publication Number Publication Date
EP3906734A1 EP3906734A1 (en) 2021-11-10
EP3906734A4 true EP3906734A4 (en) 2022-09-28

Family

ID=71406521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19907738.9A Pending EP3906734A4 (en) 2019-01-03 2019-12-31 Reference signaling for neighbor interference management

Country Status (3)

Country Link
EP (1) EP3906734A4 (en)
CN (1) CN113228758A (en)
WO (2) WO2020140225A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023169999A1 (en) * 2022-03-06 2023-09-14 Sony Group Corporation Inter-link interference management for data link via coverage enhancing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177774A1 (en) * 2012-05-31 2013-12-05 Qualcomm Incorporated Enb to enb interference mitigation in asymmetric lte deployment
EP2923510B1 (en) * 2012-11-26 2018-01-10 Telefonaktiebolaget LM Ericsson (publ) Methods and radio network nodes for measuring interference

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9002354B2 (en) * 2009-06-12 2015-04-07 Google Technology Holdings, LLC Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements
CN102264140A (en) * 2010-05-27 2011-11-30 普天信息技术研究院有限公司 Method and base station for restraining sounding reference signal (SRS) and short-random access channel (S-RACH) interference between cooperative cells
US9642148B2 (en) * 2012-05-01 2017-05-02 Qualcomm Incorporated Interference cancellation based on adaptive time division duplexing (TDD) configurations
CN108289336B (en) * 2017-01-09 2023-07-18 中兴通讯股份有限公司 Interference elimination method and device
CN108289325B (en) * 2017-01-09 2022-03-01 中兴通讯股份有限公司 Method and device for aligning uplink transmission and downlink transmission
EP3603227B1 (en) * 2017-03-22 2023-06-21 InterDigital Patent Holdings, Inc. Dynamic interference management in nr dynamic tdd systems
US10903920B2 (en) * 2017-05-05 2021-01-26 Qualcomm Incorporated Interference management based on reference signals in wireless communications

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177774A1 (en) * 2012-05-31 2013-12-05 Qualcomm Incorporated Enb to enb interference mitigation in asymmetric lte deployment
EP2923510B1 (en) * 2012-11-26 2018-01-10 Telefonaktiebolaget LM Ericsson (publ) Methods and radio network nodes for measuring interference

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL: "Timing Alignment on Cross-link for Flexible Duplex", vol. RAN WG1, no. Reno, USA; 20161114 - 20161118, 5 November 2016 (2016-11-05), XP051189799, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_87/Docs/> [retrieved on 20161105] *
See also references of WO2020140888A1 *

Also Published As

Publication number Publication date
WO2020140888A1 (en) 2020-07-09
WO2020140225A1 (en) 2020-07-09
EP3906734A1 (en) 2021-11-10
CN113228758A (en) 2021-08-06

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