CA2994176A1 - Systems, methods, and devices for enhanced ofdma random access - Google Patents

Systems, methods, and devices for enhanced ofdma random access Download PDF

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Publication number
CA2994176A1
CA2994176A1 CA2994176A CA2994176A CA2994176A1 CA 2994176 A1 CA2994176 A1 CA 2994176A1 CA 2994176 A CA2994176 A CA 2994176A CA 2994176 A CA2994176 A CA 2994176A CA 2994176 A1 CA2994176 A1 CA 2994176A1
Authority
CA
Canada
Prior art keywords
frame
frequency
identifier
indicating
frequency bandwidths
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.)
Abandoned
Application number
CA2994176A
Other languages
English (en)
French (fr)
Inventor
Yan Zhou
Alfred ASTERJADHI
Simone Merlin
George Cherian
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 CA2994176A1 publication Critical patent/CA2994176A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/2613—Structure of the reference signals
    • 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
    • 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
    • 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
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • 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) or DMT
    • 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—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2994176A 2015-09-16 2016-08-16 Systems, methods, and devices for enhanced ofdma random access Abandoned CA2994176A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562219334P 2015-09-16 2015-09-16
US62/219,334 2015-09-16
US201562242083P 2015-10-15 2015-10-15
US62/242,083 2015-10-15
US15/182,536 2016-06-14
US15/182,536 US10225866B2 (en) 2015-09-16 2016-06-14 Systems, methods, and devices for enhanced OFDMA random access
PCT/US2016/047201 WO2017048438A1 (en) 2015-09-16 2016-08-16 Systems, methods, and devices for enhanced ofdma random access

Publications (1)

Publication Number Publication Date
CA2994176A1 true CA2994176A1 (en) 2017-03-23

Family

ID=58257668

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2994176A Abandoned CA2994176A1 (en) 2015-09-16 2016-08-16 Systems, methods, and devices for enhanced ofdma random access

Country Status (8)

Country Link
US (1) US10225866B2 (enExample)
EP (1) EP3350970A1 (enExample)
JP (1) JP6883024B2 (enExample)
KR (1) KR102611217B1 (enExample)
CN (1) CN108028825B (enExample)
CA (1) CA2994176A1 (enExample)
TW (1) TWI704833B (enExample)
WO (1) WO2017048438A1 (enExample)

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Also Published As

Publication number Publication date
KR102611217B1 (ko) 2023-12-06
EP3350970A1 (en) 2018-07-25
CN108028825B (zh) 2020-12-08
WO2017048438A1 (en) 2017-03-23
JP2018534809A (ja) 2018-11-22
CN108028825A (zh) 2018-05-11
US10225866B2 (en) 2019-03-05
TW201714483A (zh) 2017-04-16
JP6883024B2 (ja) 2021-06-02
US20170079071A1 (en) 2017-03-16
KR20180052733A (ko) 2018-05-18
TWI704833B (zh) 2020-09-11

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20221108