EA200301175A1 - Способ оптимизации передачи данных в многопользовательской системе цифровой передачи данных по электрической сети с использованием очу-модуляции - Google Patents
Способ оптимизации передачи данных в многопользовательской системе цифровой передачи данных по электрической сети с использованием очу-модуляцииInfo
- Publication number
- EA200301175A1 EA200301175A1 EA200301175A EA200301175A EA200301175A1 EA 200301175 A1 EA200301175 A1 EA 200301175A1 EA 200301175 A EA200301175 A EA 200301175A EA 200301175 A EA200301175 A EA 200301175A EA 200301175 A1 EA200301175 A1 EA 200301175A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- user terminals
- network
- transmission mode
- modulation
- transmission system
- Prior art date
Links
Classifications
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- 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
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
-
- 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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
В заявке описана система двунаправленной связи по электрической сети между множеством пользовательских терминалов (2) и головным узлом (1), отличающаяся тем, что приемники, входящие в состав оборудования (1), (2), осуществляют непрерывный контроль качества связи путем расчета отношения сигнал - шум (ОСШ) на отдельных несущих в восходящем и нисходящем каналах. Пользовательские терминалы контролируют состояние сети в каждый момент времени независимо от того, адресована ли им передаваемая информация. По результатам такого контроля выбирают оптимальный режим передачи, для чего попакетно изменяют число битов на несущую, избыточность, добавленную генератором ПИО-информации (прямого исправления/обнаружения ошибок), код с ПИО и/или режим передачи, за счет чего обеспечивают непрерывное оптимальное временное и частотное разделение сети и максимизируют пропускную способность сети для множества пользовательских терминалов.Международная заявка была опубликована вместе с отчетом о международном поиске.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200101216A ES2188373B1 (es) | 2001-05-25 | 2001-05-25 | Procedimiento de optimizacion de la comunicacion para sistema de transmision digital ofdm multiusuario sobre red electrica. |
PCT/ES2002/000245 WO2002095978A1 (es) | 2001-05-25 | 2002-05-23 | Procedimiento de optimizacion de la comunicacion para sistema de transmision digital ofdm multiusuario sobre red electrica |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200301175A1 true EA200301175A1 (ru) | 2004-08-26 |
EA007364B1 EA007364B1 (ru) | 2006-10-27 |
Family
ID=8497859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200301175A EA007364B1 (ru) | 2001-05-25 | 2002-05-23 | Способ оптимизации передачи данных в многопользовательской системе цифровой передачи данных по электрической сети с использованием очу-модуляции |
Country Status (12)
Country | Link |
---|---|
US (1) | US20040151108A1 (ru) |
EP (1) | EP1398885A1 (ru) |
JP (1) | JP2004528782A (ru) |
KR (1) | KR100685686B1 (ru) |
CN (1) | CN1299439C (ru) |
BR (1) | BR0210087A (ru) |
CA (1) | CA2448453A1 (ru) |
EA (1) | EA007364B1 (ru) |
ES (1) | ES2188373B1 (ru) |
IL (1) | IL158847A0 (ru) |
MX (1) | MXPA03010656A (ru) |
WO (1) | WO2002095978A1 (ru) |
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-
2001
- 2001-05-25 ES ES200101216A patent/ES2188373B1/es not_active Expired - Fee Related
-
2002
- 2002-05-23 EA EA200301175A patent/EA007364B1/ru not_active IP Right Cessation
- 2002-05-23 JP JP2002592321A patent/JP2004528782A/ja active Pending
- 2002-05-23 CN CNB028147898A patent/CN1299439C/zh not_active Expired - Lifetime
- 2002-05-23 MX MXPA03010656A patent/MXPA03010656A/es active IP Right Grant
- 2002-05-23 CA CA002448453A patent/CA2448453A1/en not_active Abandoned
- 2002-05-23 EP EP20020732773 patent/EP1398885A1/en not_active Withdrawn
- 2002-05-23 IL IL15884702A patent/IL158847A0/xx unknown
- 2002-05-23 KR KR1020037015422A patent/KR100685686B1/ko not_active IP Right Cessation
- 2002-05-23 WO PCT/ES2002/000245 patent/WO2002095978A1/es not_active Application Discontinuation
- 2002-05-23 BR BR0210087-8A patent/BR0210087A/pt not_active IP Right Cessation
-
2003
- 2003-11-25 US US10/723,241 patent/US20040151108A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1299439C (zh) | 2007-02-07 |
ES2188373B1 (es) | 2004-10-16 |
JP2004528782A (ja) | 2004-09-16 |
WO2002095978A1 (es) | 2002-11-28 |
BR0210087A (pt) | 2004-08-17 |
ES2188373A1 (es) | 2003-06-16 |
KR100685686B1 (ko) | 2007-02-23 |
IL158847A0 (en) | 2004-05-12 |
CN1535507A (zh) | 2004-10-06 |
EP1398885A1 (en) | 2004-03-17 |
MXPA03010656A (es) | 2005-03-07 |
EA007364B1 (ru) | 2006-10-27 |
CA2448453A1 (en) | 2002-11-28 |
KR20040008192A (ko) | 2004-01-28 |
US20040151108A1 (en) | 2004-08-05 |
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