IL220820A - Maintaining time estimates with multiple satellite signal carriers - Google Patents

Maintaining time estimates with multiple satellite signal carriers

Info

Publication number
IL220820A
IL220820A IL220820A IL22082012A IL220820A IL 220820 A IL220820 A IL 220820A IL 220820 A IL220820 A IL 220820A IL 22082012 A IL22082012 A IL 22082012A IL 220820 A IL220820 A IL 220820A
Authority
IL
Israel
Prior art keywords
time alignment
uplink carriers
multiple uplink
maintaining time
maintaining
Prior art date
Application number
IL220820A
Other languages
English (en)
Hebrew (he)
Other versions
IL220820A0 (en
Original Assignee
Interdigital Patent Holdings 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 Interdigital Patent Holdings Inc filed Critical Interdigital Patent Holdings Inc
Publication of IL220820A0 publication Critical patent/IL220820A0/en
Publication of IL220820A publication Critical patent/IL220820A/en

Links

Classifications

    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • H04L1/1874—Buffer management
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • 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
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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
    • 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
    • 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
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
IL220820A 2010-01-08 2012-07-08 Maintaining time estimates with multiple satellite signal carriers IL220820A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29327110P 2010-01-08 2010-01-08
US32044910P 2010-04-02 2010-04-02
US32368010P 2010-04-13 2010-04-13
PCT/US2011/020518 WO2011085200A1 (en) 2010-01-08 2011-01-07 Maintaining time alignment with multiple uplink carriers

Publications (2)

Publication Number Publication Date
IL220820A0 IL220820A0 (en) 2012-08-30
IL220820A true IL220820A (en) 2017-11-30

Family

ID=44080844

Family Applications (1)

Application Number Title Priority Date Filing Date
IL220820A IL220820A (en) 2010-01-08 2012-07-08 Maintaining time estimates with multiple satellite signal carriers

Country Status (9)

Country Link
US (6) US8934459B2 (enExample)
EP (2) EP3809765A1 (enExample)
JP (4) JP5702806B2 (enExample)
KR (2) KR101688263B1 (enExample)
CN (2) CN105846981B (enExample)
IL (1) IL220820A (enExample)
MY (1) MY163403A (enExample)
TW (2) TWI511595B (enExample)
WO (1) WO2011085200A1 (enExample)

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