MY163403A - Maintaining time alignment with multiple uplink carriers - Google Patents

Maintaining time alignment with multiple uplink carriers

Info

Publication number
MY163403A
MY163403A MYPI2012003104A MYPI2012003104A MY163403A MY 163403 A MY163403 A MY 163403A MY PI2012003104 A MYPI2012003104 A MY PI2012003104A MY PI2012003104 A MYPI2012003104 A MY PI2012003104A MY 163403 A MY163403 A MY 163403A
Authority
MY
Malaysia
Prior art keywords
wtru
time alignment
value
command
uplink carriers
Prior art date
Application number
MYPI2012003104A
Other languages
English (en)
Inventor
Paul Marinier
Bhaskar M Anepu
Ghyslain Pelletier
Robert L Olesen
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 MY163403A publication Critical patent/MY163403A/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)
MYPI2012003104A 2010-01-08 2011-01-07 Maintaining time alignment with multiple uplink carriers MY163403A (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
MY163403A true MY163403A (en) 2017-09-15

Family

ID=44080844

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003104A MY163403A (en) 2010-01-08 2011-01-07 Maintaining time alignment with multiple uplink carriers

Country Status (9)

Country Link
US (6) US8934459B2 (OSRAM)
EP (2) EP2522185A1 (OSRAM)
JP (4) JP5702806B2 (OSRAM)
KR (2) KR101688263B1 (OSRAM)
CN (2) CN105846981B (OSRAM)
IL (1) IL220820A (OSRAM)
MY (1) MY163403A (OSRAM)
TW (2) TWI599250B (OSRAM)
WO (1) WO2011085200A1 (OSRAM)

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