AU1925301A - Gray encoding for hierarchical qam transmission systems - Google Patents
Gray encoding for hierarchical qam transmission systemsInfo
- Publication number
- AU1925301A AU1925301A AU19253/01A AU1925301A AU1925301A AU 1925301 A AU1925301 A AU 1925301A AU 19253/01 A AU19253/01 A AU 19253/01A AU 1925301 A AU1925301 A AU 1925301A AU 1925301 A AU1925301 A AU 1925301A
- Authority
- AU
- Australia
- Prior art keywords
- transmission systems
- gray encoding
- qam transmission
- hierarchical qam
- hierarchical
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16702499P | 1999-11-23 | 1999-11-23 | |
US60167024 | 1999-11-23 | ||
PCT/US2000/032011 WO2001039456A1 (en) | 1999-11-23 | 2000-11-22 | Gray encoding for hierarchical qam transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AU1925301A true AU1925301A (en) | 2001-06-04 |
Family
ID=22605640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU19253/01A Abandoned AU1925301A (en) | 1999-11-23 | 2000-11-22 | Gray encoding for hierarchical qam transmission systems |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU1925301A (en) |
WO (1) | WO2001039456A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7002899B2 (en) | 2001-10-09 | 2006-02-21 | Ati Technologies Inc. | Method and apparatus to improve SCDMA headroom |
WO2003043283A1 (en) * | 2001-11-14 | 2003-05-22 | Linkair Communications, Inc. | A quadrature amplitude modulation method used in the digital mobile communication system |
US7095709B2 (en) | 2002-06-24 | 2006-08-22 | Qualcomm, Incorporated | Diversity transmission modes for MIMO OFDM communication systems |
AU2003280499A1 (en) * | 2002-07-01 | 2004-01-19 | The Directv Group, Inc. | Improving hierarchical 8psk performance |
CA2503432C (en) * | 2002-10-25 | 2011-04-12 | The Directv Group, Inc. | Feeder link configurations to support layered modulation for digital signals |
FR2855001A1 (en) | 2003-05-14 | 2004-11-19 | St Microelectronics Sa | METHOD FOR RECEIVING TWO CORREL SIGNALS TRANSMITTED ON A SINGLE CHANNEL AND RECEIVER FOR CARRYING OUT SAID METHOD |
CN100539562C (en) * | 2003-05-16 | 2009-09-09 | 汤姆森许可公司 | Repeated encoding in the satellite based communication systems |
KR101005036B1 (en) * | 2003-05-16 | 2010-12-30 | 톰슨 라이센싱 | A unified receiver for layered and hierarchical modulation systems |
US7724838B2 (en) | 2003-09-25 | 2010-05-25 | Qualcomm Incorporated | Hierarchical coding with multiple antennas in a wireless communication system |
US7215713B2 (en) | 2003-11-26 | 2007-05-08 | Delphi Technologies, Inc. | Method to minimize compatibility error in hierarchical modulation |
US7499696B2 (en) | 2003-11-26 | 2009-03-03 | Delphi Technologies, Inc. | Method to optimize hierarchical modulation for a diversity system |
US7280613B2 (en) * | 2003-11-26 | 2007-10-09 | Delphi Technologies, Inc. | Method to inject hierarchical data onto single carrier stream |
US20050113040A1 (en) | 2003-11-26 | 2005-05-26 | Walker Glenn A. | Method to minimize compatibility error in hierarchical modulation using variable phase |
US8144800B2 (en) | 2004-09-18 | 2012-03-27 | Broadcom Corporatino | Downstream transmitter and cable modem receiver for 1024 QAM |
EP1803269A1 (en) * | 2004-10-15 | 2007-07-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and system of radio communicationswith various resolution levels of signal modulation depending on propagation conditions |
US8379769B2 (en) | 2010-03-10 | 2013-02-19 | Delphi Technologies, Inc. | Communication system utilizing a hierarchically modulated signal and method thereof |
JP5916507B2 (en) * | 2012-05-11 | 2016-05-11 | シャープ株式会社 | TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION METHOD, PROGRAM, AND INTEGRATED CIRCUIT |
RU2641448C1 (en) * | 2013-12-23 | 2018-01-17 | Общество С Ограниченной Ответственностью "Космонет" | Method of transmission and reception of qam signals (quadrature amplitude modulation) |
CN105634659B (en) * | 2014-10-30 | 2019-04-05 | 中兴通讯股份有限公司 | Data sending, receiving method, device, transmitter and the receiver of double transmission blocks |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19713631A1 (en) * | 1997-04-02 | 1998-10-08 | Bosch Gmbh Robert | Process for increasing the transmitted data rate and sender and receiver |
US5966412A (en) * | 1997-06-30 | 1999-10-12 | Thomson Consumer Electronics, Inc. | Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal |
-
2000
- 2000-11-22 WO PCT/US2000/032011 patent/WO2001039456A1/en active Application Filing
- 2000-11-22 AU AU19253/01A patent/AU1925301A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2001039456A1 (en) | 2001-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |