WO2009122383A3 - Method for efficient packet framing in a communication network - Google Patents

Method for efficient packet framing in a communication network Download PDF

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Publication number
WO2009122383A3
WO2009122383A3 PCT/IB2009/051427 IB2009051427W WO2009122383A3 WO 2009122383 A3 WO2009122383 A3 WO 2009122383A3 IB 2009051427 W IB2009051427 W IB 2009051427W WO 2009122383 A3 WO2009122383 A3 WO 2009122383A3
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
techniques
communication network
elimination
reduction
Prior art date
Application number
PCT/IB2009/051427
Other languages
French (fr)
Other versions
WO2009122383A2 (en
Inventor
Rahulx Malik
Vipin Aggarwal
Original Assignee
Nxp B.V.
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 Nxp B.V. filed Critical Nxp B.V.
Publication of WO2009122383A2 publication Critical patent/WO2009122383A2/en
Publication of WO2009122383A3 publication Critical patent/WO2009122383A3/en

Links

Classifications

    • 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
    • H04L27/2602—Signal structure
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference
    • 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
    • H04L27/2602—Signal structure
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system

Abstract

Techniques to reduce the transmission overheads in a communication system are disclosed. In an embodiment, a method described herein relates to the elimination of redundant padding to realize an integer number of FEC code-words during the FEC-encoding process of transmission as well as the reduction/elimination of redundant padding to realize an integer number of transmission symbols during the subcarrier modulation mapping process of transmitting OFDM/ACMT/DMT symbols. The techniques are described in the context of a communication system based on the MoCA specification. Furthermore, techniques for channel-profiling, channel-estimation and bandwidth request/grant signaling that facilitate the realization of the method of reduction of transmission overheads in a MoCA system are also described.
PCT/IB2009/051427 2008-04-04 2009-04-03 Method for efficient packet framing in a communication network WO2009122383A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4258608P 2008-04-04 2008-04-04
US61/042,586 2008-04-04

Publications (2)

Publication Number Publication Date
WO2009122383A2 WO2009122383A2 (en) 2009-10-08
WO2009122383A3 true WO2009122383A3 (en) 2010-02-11

Family

ID=41037659

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/051427 WO2009122383A2 (en) 2008-04-04 2009-04-03 Method for efficient packet framing in a communication network

Country Status (3)

Country Link
US (3) US20090254794A1 (en)
TW (1) TW200943794A (en)
WO (1) WO2009122383A2 (en)

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Also Published As

Publication number Publication date
US20090254794A1 (en) 2009-10-08
US20180295003A1 (en) 2018-10-11
WO2009122383A2 (en) 2009-10-08
US20160261443A1 (en) 2016-09-08
US10033484B2 (en) 2018-07-24
TW200943794A (en) 2009-10-16
US10812223B2 (en) 2020-10-20

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