JP5579070B2 - 無線アクセスネットワークにおいて音声/映像コンテンツを送信/受信するための方法及び装置 - Google Patents
無線アクセスネットワークにおいて音声/映像コンテンツを送信/受信するための方法及び装置 Download PDFInfo
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- JP5579070B2 JP5579070B2 JP2010531397A JP2010531397A JP5579070B2 JP 5579070 B2 JP5579070 B2 JP 5579070B2 JP 2010531397 A JP2010531397 A JP 2010531397A JP 2010531397 A JP2010531397 A JP 2010531397A JP 5579070 B2 JP5579070 B2 JP 5579070B2
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- 238000000034 method Methods 0.000 title claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- URWAJWIAIPFPJE-YFMIWBNJSA-N sisomycin Chemical compound O1C[C@@](O)(C)[C@H](NC)[C@@H](O)[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@@H]2[C@@H](CC=C(CN)O2)N)[C@@H](N)C[C@H]1N URWAJWIAIPFPJE-YFMIWBNJSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- 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
- H04L1/0045—Arrangements at the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3488—Multiresolution systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/10—Open loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
Claims (13)
- 音声/映像コンテンツデータを送信するための方法であって、
前記音声/映像コンテンツデータを第1の品質レベルの基本ストリーム、及び上級ストリームに符号化するステップであって、該基本ストリーム及び該上級ストリームの組合せは第1の品質レベルよりも高い第2の品質レベルを有する、ステップ、及び
前記基本ストリーム及び前記上級ストリームを個別のアンテナにおいてそれぞれ第1のパワー及び該第1のパワーよりも低い第2のパワーで、前記基本ストリームを受信するデータレートを維持するように送信するステップ、
を備え、
前記第1のパワーの大きさが、前記基本ストリームのカバレッジへの考慮に基づいて、前記第2のパワーに先立って決定され、次いで、該第2のパワーの大きさが、干渉及びパワー制限を考慮して決定される、方法。 - 請求項1の方法であって、さらに、
前記基本ストリーム及び前記上級ストリームを独立してチャネル符号化及び変調するステップ
を備える方法。 - 請求項1の方法において、前記第1のパワーがカバレッジに従って設定される、方法。
- 請求項3の方法において、前記第2のパワーは干渉及びパワー制限を考慮して設定される、方法。
- 音声/映像コンテンツデータを通信する方法であって、
送信機において、
前記音声/映像コンテンツデータを第1の品質レベルの基本ストリーム、及び上級ストリームに符号化するステップであって、該基本ストリーム及び該上級ストリームの組合せは第1の品質レベルよりも高い第2の品質レベルを有する、ステップ、及び
前記基本ストリーム及び前記上級ストリームを個別のアンテナにおいてそれぞれ第1のパワー及び該第1のパワーよりも低い第2のパワーで、前記基本ストリームを受信するデータレートを維持するように送信するステップ、
を備え、
前記第1のパワーの大きさが、前記基本ストリームのカバレッジへの考慮に基づいて、前記第2のパワーに先立って決定され、次いで、該第2のパワーの大きさが、干渉及びパワー制限を考慮して決定され、
受信機において、
少なくとも1つのストリームを生成するためにMIMO検出アルゴリズムを受信信号に適用するステップ、及び
前記音声/映像コンテンツデータを1つのストリームのみ又は2つのストリームに基づいて回復するステップ、
を備える方法。 - 請求項5の方法であって、さらに、
2つのストリームを独立してチャネル復号及び復調するステップを備える、方法。 - 請求項5の方法において、前記回復するステップがチャネル情報の結果に基づく、方法。
- 請求項5の方法において、前記回復するステップがMAC層におけるパケットエラーレート結果に基づく、方法。
- 請求項5の方法において、2つのストリームが2つの異なる論理チャネルに分離される、方法。
- 音声/映像コンテンツデータを送信するための装置であって、
前記音声/映像コンテンツデータを第1の品質レベルの基本ストリーム、及び上級ストリームに符号化する符号器であって、該基本ストリーム及び該上級ストリームの組合せは第1の品質レベルよりも高い第2の品質レベルを有する、符号器、及び
前記基本ストリーム及び前記上級ストリームを個別のアンテナにおいてそれぞれ第1のパワー及び該第1のパワーよりも低い第2のパワーで、前記基本ストリームを受信するデータレートを維持するように送信する送信手段
を備え、
前記第1のパワーの大きさが、前記基本ストリームのカバレッジへの考慮に基づいて、前記第2のパワーに先立って決定され、次いで、該第2のパワーの大きさが、干渉及びパワー制限を考慮して決定される、装置。 - 請求項10の装置であって、さらに、前記基本ストリーム及び前記上級ストリームを独立してチャネル符号化及び変調するための第1及び第2のチャネル符号器及び第1及び第2の変調器を備えた装置。
- 音声/映像コンテンツデータを通信するための、受信機及び請求項10又は11に記載の装置を含む送信機を備えたシステムであって、該受信機が、
少なくとも1つのストリームを生成するためにMIMO検出アルゴリズムを受信信号に適用するためのMIMO検出器、及び
前記音声/映像コンテンツデータを1つのストリームのみ又は2つのストリームに基づいて回復するためのソース復号器
を備えたシステム。 - 請求項12のシステムであって、さらに、2つのストリームを独立してチャネル復号するための第1及び第2のチャネル復号器を備えたシステム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2007/003111 WO2009055972A1 (en) | 2007-11-01 | 2007-11-01 | Method and device for transmitting/receiving audio/video content in a radio access network |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011502408A JP2011502408A (ja) | 2011-01-20 |
JP5579070B2 true JP5579070B2 (ja) | 2014-08-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010531397A Expired - Fee Related JP5579070B2 (ja) | 2007-11-01 | 2007-11-01 | 無線アクセスネットワークにおいて音声/映像コンテンツを送信/受信するための方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8861326B2 (ja) |
EP (1) | EP2209219A4 (ja) |
JP (1) | JP5579070B2 (ja) |
KR (1) | KR101391683B1 (ja) |
CN (1) | CN101843003A (ja) |
WO (1) | WO2009055972A1 (ja) |
Families Citing this family (7)
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EP2533527B1 (en) * | 2010-02-04 | 2015-07-08 | LG Electronics Inc. | Broadcast signal transmitter and receiver, and broadcast signal transmitting and receiving method |
CN103139180B (zh) * | 2011-12-01 | 2016-08-03 | 华为技术有限公司 | 一种基于流媒体业务提升小区吞吐量的方法和装置 |
WO2016032196A1 (ko) * | 2014-08-25 | 2016-03-03 | 한국전자통신연구원 | 레이어드 디비전 멀티플렉싱을 이용한 방송신호 프레임 생성 장치 및 방송 신호 프레임 생성 방법 |
KR102384790B1 (ko) | 2014-08-25 | 2022-04-08 | 한국전자통신연구원 | 레이어드 디비전 멀티플렉싱을 이용한 방송 신호 프레임 생성 장치 및 방송 신호 프레임 생성 방법 |
WO2016144061A1 (ko) * | 2015-03-06 | 2016-09-15 | 한국전자통신연구원 | 부트스트랩 및 프리앰블을 이용한 방송 신호 프레임 생성 장치 및 방송 신호 프레임 생성 방법 |
KR102454643B1 (ko) | 2015-03-06 | 2022-10-17 | 한국전자통신연구원 | 부트스트랩 및 프리앰블을 이용한 방송 신호 프레임 생성 장치 및 방송 신호 프레임 생성 방법 |
KR102581186B1 (ko) | 2018-10-12 | 2023-09-21 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 제어 방법 |
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-
2007
- 2007-11-01 KR KR1020107011592A patent/KR101391683B1/ko not_active Expired - Fee Related
- 2007-11-01 CN CN200780101330A patent/CN101843003A/zh active Pending
- 2007-11-01 US US12/740,187 patent/US8861326B2/en not_active Expired - Fee Related
- 2007-11-01 JP JP2010531397A patent/JP5579070B2/ja not_active Expired - Fee Related
- 2007-11-01 EP EP07816724.4A patent/EP2209219A4/en not_active Withdrawn
- 2007-11-01 WO PCT/CN2007/003111 patent/WO2009055972A1/zh active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2209219A1 (en) | 2010-07-21 |
JP2011502408A (ja) | 2011-01-20 |
CN101843003A (zh) | 2010-09-22 |
KR20100086010A (ko) | 2010-07-29 |
US8861326B2 (en) | 2014-10-14 |
KR101391683B1 (ko) | 2014-05-07 |
US20100316115A1 (en) | 2010-12-16 |
WO2009055972A1 (en) | 2009-05-07 |
EP2209219A4 (en) | 2013-05-29 |
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