US6512773B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and method for transporting information over a communication channel
Assignee: IPR 3 Pty Ltd
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Filing: 1998-12-30
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Granted: 2003-01-28
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Expires: 2018-12-30
Abstract
Abstract An improved system and method for transporting ATM information over a communications channel by enabling a single 4-octet ATM header to be prepended to user data, thus forming a low overhead ATM cell. Furthermore, an alternative embodiment of the invention may be used to simultaneously transport a plurality of 52 octet ATM frames in conjunction with the low overhead cells.
Inventors
- 👤 Robert E. Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:17
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0478; H04L; H04L9/00; H04L9/40; H04L12/00; H04L12/54; H04L12/56; H04L12/5601; H04L2012/5603; H04L2012/5638; H04L2012/5646; H04L2012/5652; H04L2012/5653; H04L2012/5658; H04L69/00; H04L69/22
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
123 words
An improved system for communicating over a digital subscriber line, comprising: means for forming a data frame, said data frame comprising: a frame header; a frame trailer; a first frame delimiter that indicates the start of said data frame; a second frame delimiter that indicates the end of said data frame, said first and second frame delimiters encompassing a plurality of fields; and a payload comprising a four-octet payload header and user data, said four-octet payload header comprising the first four octets of a five octet Asynchronous Transfer Mode (ATM) header, said frame header comprising a field that indicates that said payload includes a four-octet payload header followed by user data; and means for transmitting said data frame over said digital subscriber line.
Claim 2
Dependent Claim
123 words
An improved system for communicating over a digital subscriber line, comprising: means for forming a data frame, said data frame comprising: a frame header; a frame trailer; a first frame delimiter that indicates the start of said data frame; a second frame delimiter that indicates the end of said data frame, said first and second frame delimiters encompassing a plurality of fields; and a payload comprising a four-octet payload header and user data, said four-octet payload header comprising the first four octets of a five octet Asynchronous Transfer Mode (ATM) header, said frame header comprising a field that indicates that said payload includes a four-octet payload header followed by user data; and means for transmitting said data frame over said digital subscriber line.
Claim 3
Dependent Claim
35 words
The system as defined in claim 1 , wherein said frame trailer provides a frame check sequence (FCS) over all of said plurality of fields between said first frame delimiter and said second frame delimiter.
Claim 4
Dependent Claim
28 words
The system as defined in claim 1 , wherein said frame trailer provides a frame check sequence (FCS) over said payload, whereby said frame header contains an FCS.
Claim 5
Dependent Claim
15 words
The system as defined in claim 1 , wherein said frame delimiters are HDLC flags.
Claim 6
Dependent Claim
32 words
The system as defined in claim 1 , wherein said frame delimiters are physical layer carrier switching ON for start of frame and physical layer carrier switching OFF for end of frame.
Claim 7
Dependent Claim
122 words
An improved method for communicating over a digital subscriber line, comprising the steps of: forming a data frame, said data frame comprising: a frame header; a frame trailer; a first frame delimiter that indicates the start of said data frame; a second frame delimiter that indicates the end of said data frame, said first and second frame delimiters encompassing a plurality of fields; and a payload comprising a four-octet payload header and user data, said four-octet payload header comprising the first four octets of a five octet Asynchronous Transfer Mode (ATM) header, said frame header comprising a field that indicates that said payload includes a four-octet payload header followed by user data; and transmitting said data frame over said digital subscriber line.
Claim 8
Dependent Claim
122 words
An improved method for communicating over a digital subscriber line, comprising the steps of: forming a data frame, said data frame comprising: a frame header; a frame trailer; a first frame delimiter that indicates the start of said data frame; a second frame delimiter that indicates the end of said data frame, said first and second frame delimiters encompassing a plurality of fields; and a payload comprising a four-octet payload header and user data, said four-octet payload header comprising the first four octets of a five octet Asynchronous Transfer Mode (ATM) header, said frame header comprising a field that indicates that said payload includes a four-octet payload header followed by user data; and transmitting said data frame over said digital subscriber line.
Claim 9
Dependent Claim
35 words
The method as defined claim 6 , in wherein said frame trailer provides a frame check sequence (FCS) over all of said plurality of fields between said first frame delimiter and said second frame delimiter.
Claim 10
Dependent Claim
28 words
The method as defined in claim 6 , wherein said frame trailer provides a frame check sequence (FCS) over said payload, whereby said frame header contains an FCS.
Claim 11
Dependent Claim
15 words
The method as defined in claim 6 , wherein said frame delimiters are HDLC flags.
Claim 12
Dependent Claim
32 words
The method as defined in claim 6 , wherein said frame delimiters are physical layer carrier switching ON for start of frame and physical layer carrier switching OFF for end of frame.
Claim 13
Dependent Claim
90 words
An improved system for communicating over a digital subscriber line, comprising: means for forming a data frame, said data frame comprising: a frame header; a frame trailer; a plurality of frame delimiters; and a payload comprising at least one 52-octet ATM cell, said 52-octet ATM cell consisting of a 53-octet ATM cell with the header error control (HEC) octet removed, said frame header comprising a field that indicates that said payload includes at least one 52-octet ATM cell; and means for transmitting said data frame over said digital subscriber line.
Claim 14
Dependent Claim
90 words
An improved system for communicating over a digital subscriber line, comprising: means for forming a data frame, said data frame comprising: a frame header; a frame trailer; a plurality of frame delimiters; and a payload comprising at least one 52-octet ATM cell, said 52-octet ATM cell consisting of a 53-octet ATM cell with the header error control (HEC) octet removed, said frame header comprising a field that indicates that said payload includes at least one 52-octet ATM cell; and means for transmitting said data frame over said digital subscriber line.
Claim 15
Dependent Claim
25 words
The system as defined in claim 11 , wherein said frame trailer provides a frame check sequence (FCS) over all fields between said frame delimiters.
Claim 16
Dependent Claim
28 words
The system as defined in claim 11 , wherein said frame trailer provides a frame check sequence (FCS) over said payload only, said frame header containing an FCS.
Claim 17
Dependent Claim
99 words
An improved method for communicating over a digital subscriber line, the method comprising the steps of: forming a data frame, said step of forming a data frame comprising the steps of: forming a frame header; forming a frame trailer; forming a plurality of frame delimiters; and forming a payload comprising at least one 52-octet ATM cell, said 52-octet ATM cell consisting of a 53-octet ATM cell with the HEC octet removed, said frame header comprising a field that indicates that said payload includes at least one 52-octet ATM cell; and transmitting said data frame over said digital subscriber line.
Claim 18
Dependent Claim
99 words
An improved method for communicating over a digital subscriber line, the method comprising the steps of: forming a data frame, said step of forming a data frame comprising the steps of: forming a frame header; forming a frame trailer; forming a plurality of frame delimiters; and forming a payload comprising at least one 52-octet ATM cell, said 52-octet ATM cell consisting of a 53-octet ATM cell with the HEC octet removed, said frame header comprising a field that indicates that said payload includes at least one 52-octet ATM cell; and transmitting said data frame over said digital subscriber line.
Claim 19
Dependent Claim
25 words
The method as defined in claim 14 , wherein said frame trailer provides a frame check sequence (FCS) over all fields between said frame delimiters.
Claim 20
Dependent Claim
27 words
The method as defined in claim 14 , wherein said frame trailer provides a frame check sequence (FCS) over said payload only, said header containing an FCS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-01-27 | 2006-07-29 | 2007-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-01-27 | 2010-07-29 | 2011-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-01-27 | 2014-07-29 | 2015-01-28 | $7700.00 | Window Closed / Lapsed |