WO2015116342A1 - Discovery signals and network synchronization signals design in lte - Google Patents

Discovery signals and network synchronization signals design in lte Download PDF

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Publication number
WO2015116342A1
WO2015116342A1 PCT/US2014/072841 US2014072841W WO2015116342A1 WO 2015116342 A1 WO2015116342 A1 WO 2015116342A1 US 2014072841 W US2014072841 W US 2014072841W WO 2015116342 A1 WO2015116342 A1 WO 2015116342A1
Authority
WO
WIPO (PCT)
Prior art keywords
reference signal
subframe
subframes
symbol
signals
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.)
Ceased
Application number
PCT/US2014/072841
Other languages
English (en)
French (fr)
Inventor
Wanshi Chen
Peter Gaal
Aleksandar Damnjanovic
Michael Mao Wang
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
Priority to BR112016017186A priority Critical patent/BR112016017186A2/pt
Priority to JP2016566850A priority patent/JP6297718B2/ja
Priority to KR1020207001358A priority patent/KR102124744B1/ko
Priority to KR1020187016408A priority patent/KR102069987B1/ko
Priority to EP14835647.0A priority patent/EP3100538B1/en
Priority to KR1020167022573A priority patent/KR101869627B1/ko
Priority to CN201480074146.9A priority patent/CN105934909B/zh
Publication of WO2015116342A1 publication Critical patent/WO2015116342A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • 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
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • 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
    • H04L5/0058—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
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the apparatus transmits the first reference signal in one or more symbols of a first set of subframes and transmits the second reference signal in one or more symbols of a second set of subframes, where the first set of subframes and the second set of subframes differ at least by one subframe.
  • the apparatus may be a user equipment (UE).
  • the apparatus receives at least one of a first reference signal for at least one of discovery or measurement or a second reference signal for synchronization, at least one of the first or second reference signals having a bandwidth configured by a base station (BS), and detects at least one cell based on at least one of the first or second reference signals.
  • UE user equipment
  • the apparatus receives at least one of a first reference signal for at least one of discovery or measurement or a second reference signal for synchronization, at least one of the first or second reference signals having a bandwidth configured by a base station (BS), and detects at least one cell based on at least one of the first or second reference signals.
  • BS base station
  • the eNB 106 is connected to the EPC 1 10.
  • the EPC 110 may include a
  • Channel estimates derived by a channel estimator 658 from a reference signal or feedback transmitted by the eNB 610 may be used by the TX processor 668 to select the appropriate coding and modulation schemes, and to facilitate spatial processing.
  • the spatial streams generated by the TX processor 668 may be provided to different antenna 652 via separate transmitters 654TX. Each transmitter 654TX may modulate an RF carrier with a respective spatial stream for transmission.
  • MBSFN region of MBSFN subframes in special subframes, or via coordinated silence durations.
  • Coordination via backhaul and/or network- wide configuration may be used to ensure proper operation.
  • Information, such as stratum level and synchronization status, may be shared over the backhaul and/or indicated through the arrangement of how network synchronization signals are transmitted.
  • the eNB transmits the second reference signal in one or more symbols of a second set of subframes.
  • the second reference signal is transmitted using the configured bandwidth.
  • the first set of subframes and the second set of subframes differ at least by one subframe, such that the first set of subframes and second set of subframes are not identical.
  • at least one subframe in the second set of subframes is one of a special subframe or a UL subframe, wherein at least a portion of the at least one subframe is allocated for transmission of UL signals by a UE.
  • the first set of subframes and/or the second set of subframes is based on a periodic configuration.
  • the first reference signal and/or the second reference signal is transmitted in two or more consecutive subframes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/US2014/072841 2014-01-28 2014-12-30 Discovery signals and network synchronization signals design in lte Ceased WO2015116342A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR112016017186A BR112016017186A2 (pt) 2014-01-28 2014-12-30 Projeto de sinais de descoberta e sinais de sincronização de rede em lte
JP2016566850A JP6297718B2 (ja) 2014-01-28 2014-12-30 Ｌｔｅにおける発見信号およびネットワーク同期信号設計
KR1020207001358A KR102124744B1 (ko) 2014-01-28 2014-12-30 Ｌｔｅ 에 있어서 발견 신호들 및 네트워크 동기화 신호들 설계
KR1020187016408A KR102069987B1 (ko) 2014-01-28 2014-12-30 Ｌｔｅ 에 있어서 발견 신호들 및 네트워크 동기화 신호들 설계
EP14835647.0A EP3100538B1 (en) 2014-01-28 2014-12-30 Discovery signals and network synchronization signals design in lte
KR1020167022573A KR101869627B1 (ko) 2014-01-28 2014-12-30 Ｌｔｅ 에 있어서 발견 신호들 및 네트워크 동기화 신호들 설계
CN201480074146.9A CN105934909B (zh) 2014-01-28 2014-12-30 Lte中的发现信号和网络同步信号设计

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461932685P 2014-01-28 2014-01-28
US61/932,685 2014-01-28
US14/585,155 US9832629B2 (en) 2014-01-28 2014-12-29 Discovery signals and network synchronization signals design in LTE
US14/585,155 2014-12-29

Publications (1)

Publication Number Publication Date
WO2015116342A1 true WO2015116342A1 (en) 2015-08-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/072841 Ceased WO2015116342A1 (en) 2014-01-28 2014-12-30 Discovery signals and network synchronization signals design in lte

Country Status (7)

Country Link
US (3) US9832629B2 (enExample)
EP (1) EP3100538B1 (enExample)
JP (1) JP6297718B2 (enExample)
KR (3) KR101869627B1 (enExample)
CN (2) CN105934909B (enExample)
BR (1) BR112016017186A2 (enExample)
WO (1) WO2015116342A1 (enExample)

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US12041575B2 (en) 2018-09-28 2024-07-16 Qualcomm Incorporated Systems and methods for network procedures for on-demand positioning reference signal (PRS)
US12047929B2 (en) 2017-09-29 2024-07-23 Qualcomm Incorporated Techniques for beam management in wireless communications
US12206607B2 (en) 2018-07-19 2025-01-21 Qualcomm Incorporated On-demand positioning reference signal (PRS)

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Also Published As

Publication number Publication date
CN109286479A (zh) 2019-01-29
JP6297718B2 (ja) 2018-03-20
KR20160114093A (ko) 2016-10-04
US9985762B2 (en) 2018-05-29
EP3100538A1 (en) 2016-12-07
US20170295002A1 (en) 2017-10-12
BR112016017186A2 (pt) 2017-08-08
KR102069987B1 (ko) 2020-01-23
US20150215761A1 (en) 2015-07-30
US20170311144A1 (en) 2017-10-26
US10448236B2 (en) 2019-10-15
CN105934909B (zh) 2019-09-17
KR20200008052A (ko) 2020-01-22
CN109286479B (zh) 2021-04-16
EP3100538B1 (en) 2020-03-11
KR20180066281A (ko) 2018-06-18
JP2017509274A (ja) 2017-03-30
KR102124744B1 (ko) 2020-06-18
US9832629B2 (en) 2017-11-28
CN105934909A (zh) 2016-09-07
KR101869627B1 (ko) 2018-06-20

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