KR100458040B1 - 송수신 방법 - Google Patents
송수신 방법 Download PDFInfo
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- KR100458040B1 KR100458040B1 KR10-2004-7002485A KR20047002485A KR100458040B1 KR 100458040 B1 KR100458040 B1 KR 100458040B1 KR 20047002485 A KR20047002485 A KR 20047002485A KR 100458040 B1 KR100458040 B1 KR 100458040B1
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- packet loss
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- 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
- H04L47/25—Flow control; Congestion control with rate being modified by the source upon detecting a change of network conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- 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
- H04L1/1607—Details of the supervisory signal
- H04L1/1614—Details of the supervisory signal using bitmaps
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- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1838—Buffer management for semi-reliable protocols, e.g. for less sensitive applications such as streaming video
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- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/203—Details of error rate determination, e.g. BER, FER or WER
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- 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
-
- 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
- H04L47/11—Identifying congestion
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- 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
- H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
- H04L47/263—Rate modification at the source after receiving feedback
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- 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
- H04L47/40—Flow control; Congestion control using split connections
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- 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
- H04L1/1809—Selective-repeat protocols
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- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0097—Relays
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- 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
- H04L2001/0098—Unequal error protection
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Environmental & Geological Engineering (AREA)
- Databases & Information Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims (4)
- 유선구간과 무선구간을 갖는 전송로에서, 상기 양 구간 경계부분에 게이트웨이가 존재하고, 상기 게이트웨이를 통해 송신단말과 수신단말의 사이에서 데이터패킷을 송수신하며, 또 상기 게이트웨이와 상기 수신단말 사이에서 손실된 데이터패킷에 대해서는 상기 수신단말이 재전송요구를 행하는 송수신방법으로서,상기 송신단말과 상기 게이트웨이 사이에서 데이터패킷이 손실된 것을 나타내는 정보를, 상기 게이트웨이가 손실통지패킷으로서 상기 수신단말에 송신하고,상기 손실통지패킷에 의하여 통지된 데이터패킷에 대해서는 상기 수신단말이 재전송요구를 행하지 않는 것을 특징으로 하는 송수신방법.
- 제 1 항에 있어서,상기 수신단말로부터의 재전송요구를 상기 송신단말 또는 상기 게이트웨이에 송신하는 것을 특징으로 하는 송수신방법.
- 유선구간과 무선구간을 갖는 전송로에서, 상기 양 구간 경계부분에 게이트웨이가 존재하고, 상기 게이트웨이를 통해 송신단말과 수신단말의 사이에서 데이터패킷을 송수신하며, 또 상기 게이트웨이와 상기 수신단말 사이에서 손실된 데이터패킷에 대해서는 상기 수신단말이 재전송요구를 행하는 송수신방법으로서,상기 송신단말로부터 상기 수신단말로 송신되는 상기 데이터패킷에 부여된시퀀스번호를 감시하고, 시퀀스번호의 결락을 검지하며, 당해 결락된 시퀀스번호를 상기 게이트웨이가 손실통지패킷으로서 상기 수신단말에 통지하고,상기 손실통지패킷에 의해 통지된 시퀀스번호가 부여된 데이터패킷에 대해서는 상기 수신단말이 재전송요구를 행하지 않는 것을 특징으로 하는 송수신방법.
- 제 3 항에 있어서,상기 수신단말로부터의 재전송요구를 상기 송신단말 또는 상기 게이트웨이로 송신하는 것을 특징으로 하는 송수신방법.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000253718 | 2000-08-24 | ||
JPJP-P-2000-00253718 | 2000-08-24 | ||
JPJP-P-2000-00292066 | 2000-09-26 | ||
JP2000292066 | 2000-09-26 | ||
JPJP-P-2000-00328592 | 2000-10-27 | ||
JP2000328592 | 2000-10-27 | ||
JPJP-P-2001-00079942 | 2001-03-21 | ||
JP2001079942 | 2001-03-21 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-7005226A Division KR100450236B1 (ko) | 2000-08-24 | 2001-08-13 | 송수신 방법 및 그 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040027938A KR20040027938A (ko) | 2004-04-01 |
KR100458040B1 true KR100458040B1 (ko) | 2004-11-26 |
Family
ID=27481555
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-7005226A KR100450236B1 (ko) | 2000-08-24 | 2001-08-13 | 송수신 방법 및 그 장치 |
KR10-2004-7002485A KR100458040B1 (ko) | 2000-08-24 | 2001-08-13 | 송수신 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-7005226A KR100450236B1 (ko) | 2000-08-24 | 2001-08-13 | 송수신 방법 및 그 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7333439B2 (ko) |
EP (1) | EP1241837B1 (ko) |
JP (1) | JP3629025B2 (ko) |
KR (2) | KR100450236B1 (ko) |
AU (1) | AU2001278717A1 (ko) |
WO (1) | WO2002017574A1 (ko) |
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KR20040027938A (ko) | 2004-04-01 |
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WO2002017574A1 (fr) | 2002-02-28 |
JP3629025B2 (ja) | 2005-03-16 |
EP1241837A1 (en) | 2002-09-18 |
EP1241837A4 (en) | 2009-04-01 |
US7333439B2 (en) | 2008-02-19 |
AU2001278717A1 (en) | 2002-03-04 |
EP1241837B1 (en) | 2018-02-28 |
US20020191594A1 (en) | 2002-12-19 |
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