KR100703502B1 - Dmb 서비스에 대한 ip 멀티캐스팅 방식의 재전송 장치 - Google Patents
Dmb 서비스에 대한 ip 멀티캐스팅 방식의 재전송 장치 Download PDFInfo
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- KR100703502B1 KR100703502B1 KR1020060004961A KR20060004961A KR100703502B1 KR 100703502 B1 KR100703502 B1 KR 100703502B1 KR 1020060004961 A KR1020060004961 A KR 1020060004961A KR 20060004961 A KR20060004961 A KR 20060004961A KR 100703502 B1 KR100703502 B1 KR 100703502B1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/82—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
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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
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1863—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast comprising mechanisms for improved reliability, e.g. status reports
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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
- H04L65/1066—Session management
- H04L65/1101—Session protocols
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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
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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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
- H04L65/75—Media network packet handling
- H04L65/765—Media network packet handling intermediate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/202—Systems for applying pressure to filters
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- Chemical & Material Sciences (AREA)
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Abstract
Description
Claims (4)
- DMB(Digital Multimedia Broadcasting) 서비스에 대한 IP(Internet Protocol) 멀티캐스팅 방식의 재전송 장치에 있어서,DMB RF(Radio Frequency) 신호를 각각의 채널별로 수신하는 다수(n)의 RF 수신기;상기 다수(n)의 RF 수신기 각각에 수신된 채널별 RF 신호를 TS로 각각 출력하는 다수(n)의 DMB 복호기;상기 다수(n)의 DMB 복호기 각각으로부터 출력된 TS를 Slice 처리하는 다수(n)의 Slice 처리부;상기 다수(n)의 Slice 처리부를 통해 Slice 처리된 TS를 IP 패킷화하는 다수(n)의 네트워크 정합 처리부;상기 다수(n)의 네트워크 정합 처리부로부터의 IP 패킷들을 수신하여 이를 멀티캐스팅 처리부로 전달하고 상기 멀티캐스팅 처리부로부터의 멀티캐스팅 데이터를 입력받는 네트워크 스위치; 및상기 네트워크 스위치로부터 IP 패킷들을 수신하여 이에 대해 멀티캐스팅 주소를 부여하여 하나의 멀티캐스팅 데이터로 생성하여 상기 네트워크 스위치로 전달하는 멀티캐스팅 처리부를 포함하는 DMB 서비스에 대한 IP 멀티캐스팅 방식의 재전송 장치.
- 제 1 항에 있어서,상기 네트워크 스위치를 통해 상기 멀티캐스팅 데이터를 수신하여 이를 각각의 사용자 장치로 멀티캐스팅하는 멀티미디어 데이터 전송부를 포함하는 것을 특징으로 하는 DMB 서비스에 대한 IP 멀티캐스팅 방식의 재전송 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 다수(n)의 Slice 처리부는 각각,상기 DMB 복호기로부터 입력된 상기 TS를 각각의 비디오 신호, 오디오 신호 및 데이터 신호로 역다중화하는 TS 역다중화부;상기 역다중화된 신호 중 비디오 신호를 파싱하여 일정한 Slice 단위로 인코딩하는 Re-Slicer; 및상기 Re-Slicer로부터의 비디오 신호와 상기 TS 역다중화부(51)로부터의 오디오 신호 및 데이터 신호를 다중화하는 TS 다중화부를 포함하는 것을 특징으로 하는 DMB 서비스에 대한 IP 멀티캐스팅 방식의 재전송 장치.
- 제 3 항에 있어서,상기 Re-Slicer는 상기 IP 패킷 서비스를 제공하는 전송 네트워크의 상황에 따라 비디오 신호에 대한 Slice 단위를 결정하는 것임을 특징으로 하는 DMB 서비스에 대한 IP 멀티캐스팅 방식의 재전송 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060004961A KR100703502B1 (ko) | 2006-01-17 | 2006-01-17 | Dmb 서비스에 대한 ip 멀티캐스팅 방식의 재전송 장치 |
US11/644,552 US7924762B2 (en) | 2006-01-17 | 2006-12-21 | Retransmission apparatus using IP multicasting method for DMB service |
Applications Claiming Priority (1)
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KR1020060004961A KR100703502B1 (ko) | 2006-01-17 | 2006-01-17 | Dmb 서비스에 대한 ip 멀티캐스팅 방식의 재전송 장치 |
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KR100703502B1 true KR100703502B1 (ko) | 2007-04-03 |
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KR1020060004961A KR100703502B1 (ko) | 2006-01-17 | 2006-01-17 | Dmb 서비스에 대한 ip 멀티캐스팅 방식의 재전송 장치 |
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KR (1) | KR100703502B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210155116A (ko) | 2020-06-15 | 2021-12-22 | (주)남경텔레콤 | Dmb 재방송 중계기 |
Families Citing this family (5)
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US8401132B2 (en) * | 2007-10-17 | 2013-03-19 | Broadcom Corporation | Interference cancellation with time-varying interference and/or distortion |
US8180001B2 (en) * | 2007-10-17 | 2012-05-15 | Broadcom Corporation | Adaptive equalization and interference cancellation with time-varying noise and/or interference |
JP4482043B2 (ja) * | 2008-03-18 | 2010-06-16 | 富士通株式会社 | デジタル放送再送信装置および方法 |
US10547882B2 (en) * | 2012-12-31 | 2020-01-28 | Dish Technologies Llc | Systems and methods for generating concatenated transport streams from adaptive media streams |
KR20150057149A (ko) * | 2013-11-18 | 2015-05-28 | 한국전자통신연구원 | 재전송망에 기초한 3d 방송 서비스 제공 시스템 및 방법 |
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KR20060101736A (ko) * | 2005-03-21 | 2006-09-26 | 삼성전자주식회사 | Dmb 서비스에 대한 패킷 방식의 재전송 시스템 및 그장치 |
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2006
- 2006-01-17 KR KR1020060004961A patent/KR100703502B1/ko active IP Right Grant
- 2006-12-21 US US11/644,552 patent/US7924762B2/en not_active Expired - Fee Related
Patent Citations (5)
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JP2001345847A (ja) | 2000-06-01 | 2001-12-14 | Hitachi Ltd | パケットデータ転送方法及びパケットデータ転送装置 |
KR20040031965A (ko) * | 2002-10-08 | 2004-04-14 | 에스케이 텔레콤주식회사 | 네트워크 부하를 최소화하는 영상 압축 장치 및 방법 |
KR20040046898A (ko) * | 2002-11-28 | 2004-06-05 | 엘지전자 주식회사 | 영상 전화 시스템의 패킷화 방법 |
KR20060012510A (ko) * | 2004-08-03 | 2006-02-08 | 한국전자통신연구원 | 아이피 기반의 디지털 멀티미디어 방송 데이터 변환 장치및 그 방법과 그를 이용한 디지털 멀티미디어 방송 수신시스템 |
KR20060101736A (ko) * | 2005-03-21 | 2006-09-26 | 삼성전자주식회사 | Dmb 서비스에 대한 패킷 방식의 재전송 시스템 및 그장치 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210155116A (ko) | 2020-06-15 | 2021-12-22 | (주)남경텔레콤 | Dmb 재방송 중계기 |
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US20070165628A1 (en) | 2007-07-19 |
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