DK2208301T3 - Fremgangsmåde og apparat til pcdp forkastning - Google Patents

Fremgangsmåde og apparat til pcdp forkastning Download PDF

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Publication number
DK2208301T3
DK2208301T3 DK08836684.4T DK08836684T DK2208301T3 DK 2208301 T3 DK2208301 T3 DK 2208301T3 DK 08836684 T DK08836684 T DK 08836684T DK 2208301 T3 DK2208301 T3 DK 2208301T3
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DK
Denmark
Prior art keywords
pdcp
sdu
rlc
pdu
timer
Prior art date
Application number
DK08836684.4T
Other languages
English (en)
Inventor
Stephen E Terry
Mohammed Sammour
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.)
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Publication of DK2208301T3 publication Critical patent/DK2208301T3/da

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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
    • H04L1/1867—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
    • 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
    • H04L1/188—Time-out mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/04—Protocols for data compression, e.g. ROHC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/28—Timers or timing mechanisms used in protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/324—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

Claims (10)

1. Fremgangsmåde til forkastning af en pakkedata-konvergensprotokol, PDCP, pakke, hvor fremgangsmåden omfatter: en PDCP-enhed, der starter en timer ved modtagelse af en PDCP service dataenhed, SDU, fra et øvre lag, hvor en tærskelværdi af timeren er konfigureret, ved et radioressour-cekontrol, RRC, -lag og hvor tærskelværdien af timeren er konfigureret på en per radiobærer, RB, basis; hvor PDCP-entiteten sender en tilhørende PDCP-protokoldataenhed, PDU, til en radiolinkskontrol, RLC,-enhed; på betingelse af at timeren udløber, forkaster PDCP-enheden PDCP SDU'en; PDCP-entiteten sender en indikation af forkastningen til RLC-enheden; og RLC-entiteten kasserer en RLC SDU tilknyttet til PDCP PDU baseret på indikationen.
2. Fremgangsmåde ifølge krav 1, som yderligere omfatter at PDCP-enheden modtager en PDCP statusrapport, hvor PDCP statusrapporten kvitterer for modtagelse, ved en modtager PCDP-enhed af mindst én PDCP PDU.
3. Fremgangsmåde ifølge krav 2, som yderligere omfatter at PCDP-enheden forkaster den mindst ene PDCP PDU og mindst én tilhørende PDCP SDU.
4. Fremgangsmåde ifølge krav 1, som yderligere omfatter at PCDP-enheden skaber den tilhørende PDCP PDU, hvor at skabe den tilhørende PDCP PDU omfatter: at PDCP-enheden tildeler et sekvensnummer, SN, til PDCP SDU'en; og at PDCP-enheden udfører headerkomprimering på PDCP SDU'en.
5. Fremgangsmåde ifølge krav 1, hvor er separat timer bliver startet for hver PDCP SDU, som indbefatter brugerdata modtaget fra et øvre lag.
6. Trådløs sende-/modtageenhed, WTRU, som er konfigureret til at forkaste en pakkedata-konvergensprotokol, PDCP, pakke, hvor WTRU'en omfatter: en PDCP-enhed, som er konfigureret til at: starte en timer ved modtagelse af en PDCP service dataenhed, SDU, fra et øvre lag, hvor en tærskelværdi af timeren er konfigureret, ved et radioressourcekontrol, RRC, -lag og hvor tærskelværdien af timeren er konfigureret på en per radiobærer, RB, basis, sende en tilhørende PDCP-protokoldataenhed, PDU, til en radiolinkskontrol, RLC, -enhed, forkaste PDCP SDU'en, på betingelse af at timeren udløber, og sende en indikation af forkastningen til RLC-enheden; og RLC-entiteten er konfigureret til at: kassere en RLC SDU tilknyttet til PDCP PDU baseret på indikationen.
7. WTRU'en ifølge krav 6, hvor PDCP-enheden yderligere er konfigureret til at modtage en PDCP statusrapport, hvor PDCP statusrapporten kvitterer for modtagelse, ved en modtager PCDP-enhed af mindst én PDCP PDU.
8. WTRU'en ifølge krav 7, hvor PCDP-enheden er konfigureret til at forkaste den mindst ene PDCP PDU og mindst én tilhørende PDCP SDU.
9. WTRU'en ifølge krav 6, hvor PCDP-enheden er yderligere konfigureret til at skabe den tilhørende PDCP PDU, hvor at skabe den tilhørende PDCP PDU omfatter: at PDCP-enheden tildeler et sekvensnummer, SN, til PDCP SDU'en; og at PDCP-enheden udfører headerkomprimering på PDCP SDU'en.
10. WTRU'en ifølge krav 6, hvor PCDP-enheden er konfigureret til at starte en separat timer for hver PDCP SDU, som indbefatter brugerdata modtaget fra et øvre lag.
DK08836684.4T 2007-10-01 2008-09-29 Fremgangsmåde og apparat til pcdp forkastning DK2208301T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97667407P 2007-10-01 2007-10-01
PCT/US2008/078083 WO2009045945A2 (en) 2007-10-01 2008-09-29 Method and apparatus for pcdp discard

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DK2208301T3 true DK2208301T3 (da) 2019-04-23

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US (3) US8855047B2 (da)
EP (1) EP2208301B1 (da)
JP (3) JP5190514B2 (da)
KR (4) KR101478927B1 (da)
CN (3) CN101965705B (da)
AR (1) AR068649A1 (da)
AU (1) AU2008308944B2 (da)
DK (1) DK2208301T3 (da)
ES (1) ES2718087T3 (da)
MX (1) MX2010003595A (da)
MY (1) MY149427A (da)
PL (1) PL2208301T3 (da)
TW (4) TWM357141U (da)
WO (1) WO2009045945A2 (da)

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