CA2402438A1 - A technique for compressing a header field in a data packet - Google Patents

A technique for compressing a header field in a data packet Download PDF

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Publication number
CA2402438A1
CA2402438A1 CA002402438A CA2402438A CA2402438A1 CA 2402438 A1 CA2402438 A1 CA 2402438A1 CA 002402438 A CA002402438 A CA 002402438A CA 2402438 A CA2402438 A CA 2402438A CA 2402438 A1 CA2402438 A1 CA 2402438A1
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CA
Canada
Prior art keywords
header field
packet
compressed
field
technique
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.)
Granted
Application number
CA002402438A
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French (fr)
Other versions
CA2402438C (en
Inventor
Khiem Le
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
Nokia Corporation
Khiem Le
Nokia Networks Oy
Qualcomm Incorporated
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 Nokia Corporation, Khiem Le, Nokia Networks Oy, Qualcomm Incorporated filed Critical Nokia Corporation
Publication of CA2402438A1 publication Critical patent/CA2402438A1/en
Application granted granted Critical
Publication of CA2402438C publication Critical patent/CA2402438C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • 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
    • H04L47/43—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • 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
    • H04L69/22—Parsing or analysis of headers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Abstract

A timer based header compression/decompression technique and timer and reference based technique are provided. A source generates a header field, such as an RTP time stamp.
A packet including the header field is sent to a compressor which calculates a compressed header field based on the header field of the packet from the source and a jitter quantity. The compressed header field is calculated by calculating a jitter effect the network before the compressor has on the transmission of packets and calculating a jitter effect the network between the compressor and a decompressor has on the transmission of packets. The packet including the compressed header field is transmitted to a decompressor which includes a local timer. The decompressor decompresses the compressed header field by calculating, an approximation of the header field based on the elapsed time since the arrival of a previous packet and the field value in the previous packet. The approximation of the header field is then corrected based on the compressed heater field provided in the packet.
CA002402438A 2000-03-09 2001-03-09 A technique for compressing a header field in a data packet Expired - Lifetime CA2402438C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/522,363 US6680955B1 (en) 1999-08-20 2000-03-09 Technique for compressing a header field in a data packet
US09/522,363 2000-03-09
PCT/US2001/007573 WO2001067709A2 (en) 2000-03-09 2001-03-09 A technique for compressing a header field in a data packet

Publications (2)

Publication Number Publication Date
CA2402438A1 true CA2402438A1 (en) 2001-09-13
CA2402438C CA2402438C (en) 2007-06-05

Family

ID=24080562

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002402438A Expired - Lifetime CA2402438C (en) 2000-03-09 2001-03-09 A technique for compressing a header field in a data packet

Country Status (16)

Country Link
US (1) US6680955B1 (en)
EP (5) EP2169906B1 (en)
JP (2) JP4159287B2 (en)
KR (1) KR100502313B1 (en)
CN (2) CN1185844C (en)
AT (3) ATE543320T1 (en)
AU (2) AU4353301A (en)
BR (1) BRPI0109097B1 (en)
CA (1) CA2402438C (en)
DE (1) DE60141453D1 (en)
DK (2) DK2169906T3 (en)
ES (3) ES2460140T3 (en)
MX (1) MXPA02008806A (en)
PT (2) PT2490398E (en)
RU (1) RU2278478C2 (en)
WO (1) WO2001067709A2 (en)

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Also Published As

Publication number Publication date
PT2490398E (en) 2014-03-12
EP2169906B1 (en) 2012-11-07
CN1617540B (en) 2010-10-13
ATE547885T1 (en) 2012-03-15
EP2169906A3 (en) 2011-06-22
EP2169996B1 (en) 2012-02-29
KR20030001376A (en) 2003-01-06
EP2169907B1 (en) 2012-01-25
CN1419771A (en) 2003-05-21
BRPI0109097B1 (en) 2015-07-28
ES2339742T3 (en) 2010-05-25
MXPA02008806A (en) 2004-10-15
JP4612028B2 (en) 2011-01-12
DE60141453D1 (en) 2010-04-15
BR0109097A (en) 2003-06-03
EP2169996A2 (en) 2010-03-31
RU2002126997A (en) 2004-03-10
WO2001067709A3 (en) 2002-03-14
US6680955B1 (en) 2004-01-20
CA2402438C (en) 2007-06-05
EP2490398A1 (en) 2012-08-22
WO2001067709A2 (en) 2001-09-13
KR100502313B1 (en) 2005-07-20
EP1262052A2 (en) 2002-12-04
EP2169907A3 (en) 2011-03-23
DK2490398T3 (en) 2014-04-14
EP2169996A3 (en) 2011-03-23
ES2460140T3 (en) 2014-05-13
JP2003529247A (en) 2003-09-30
EP2169906A2 (en) 2010-03-31
DK2169906T3 (en) 2013-02-18
EP2169907A2 (en) 2010-03-31
ATE543320T1 (en) 2012-02-15
ES2399020T3 (en) 2013-03-25
PT2169906E (en) 2013-02-13
CN1617540A (en) 2005-05-18
AU2001243533B2 (en) 2005-06-09
JP2008035543A (en) 2008-02-14
RU2278478C2 (en) 2006-06-20
AU4353301A (en) 2001-09-17
EP1262052B1 (en) 2010-03-03
JP4159287B2 (en) 2008-10-01
ATE460038T1 (en) 2010-03-15
EP2490398B1 (en) 2014-01-29
CN1185844C (en) 2005-01-19

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