WO2009086080A3 - Procédé et appareil de traitement d'un signal de communication - Google Patents
Procédé et appareil de traitement d'un signal de communication Download PDFInfo
- Publication number
- WO2009086080A3 WO2009086080A3 PCT/US2008/087644 US2008087644W WO2009086080A3 WO 2009086080 A3 WO2009086080 A3 WO 2009086080A3 US 2008087644 W US2008087644 W US 2008087644W WO 2009086080 A3 WO2009086080 A3 WO 2009086080A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clipping
- measured
- modulation format
- scaling
- received signal
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010539867A JP5378405B2 (ja) | 2007-12-21 | 2008-12-19 | 通信信号を処理するための方法および装置 |
| CN200880122286.3A CN101904128B (zh) | 2007-12-21 | 2008-12-19 | 根据c/i调制格式缩放和限制数字接收信号的方法和装置 |
| KR1020107016007A KR101134722B1 (ko) | 2007-12-21 | 2008-12-19 | 측정된 c/i의 변조 포맷에 따른 디지털 수신 신호의 스케일링과 클리핑 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/962,655 | 2007-12-21 | ||
| US11/962,655 US8073076B2 (en) | 2007-12-21 | 2007-12-21 | Method and apparatus for processing a communication signal |
| EP08006410.8 | 2008-03-31 | ||
| EP08006410A EP2091170B1 (fr) | 2007-12-21 | 2008-03-31 | Mise à l'échelle et écrêtage d'un signal reçu digital selon la modulation ou du rapport porteuse/interférence mesuré |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2009086080A2 WO2009086080A2 (fr) | 2009-07-09 |
| WO2009086080A3 true WO2009086080A3 (fr) | 2009-09-11 |
Family
ID=40816153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2008/087644 Ceased WO2009086080A2 (fr) | 2007-12-21 | 2008-12-19 | Procédé et appareil de traitement d'un signal de communication |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2009086080A2 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076184A1 (en) * | 2002-10-22 | 2004-04-22 | Eitan Tene | Method to reduce the number of bits per soft bit |
| US20040081259A1 (en) * | 2002-10-24 | 2004-04-29 | Gerhard Ammer | Soft sample scaling in a turbo decoder |
| US20040179583A1 (en) * | 2003-03-13 | 2004-09-16 | Gibong Jeong | Method and apparatus for decoder input scaling based on interference estimation in CDMA |
| US20070036246A1 (en) * | 2005-08-12 | 2007-02-15 | Broadcom Corporation | Methods and systems for soft-bit demapping |
| GB2434948A (en) * | 2006-02-03 | 2007-08-08 | Motorola Inc | LLR calculation with quantization of values which are scaled depending on SNR. |
-
2008
- 2008-12-19 WO PCT/US2008/087644 patent/WO2009086080A2/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076184A1 (en) * | 2002-10-22 | 2004-04-22 | Eitan Tene | Method to reduce the number of bits per soft bit |
| US20040081259A1 (en) * | 2002-10-24 | 2004-04-29 | Gerhard Ammer | Soft sample scaling in a turbo decoder |
| US20040179583A1 (en) * | 2003-03-13 | 2004-09-16 | Gibong Jeong | Method and apparatus for decoder input scaling based on interference estimation in CDMA |
| US20070036246A1 (en) * | 2005-08-12 | 2007-02-15 | Broadcom Corporation | Methods and systems for soft-bit demapping |
| GB2434948A (en) * | 2006-02-03 | 2007-08-08 | Motorola Inc | LLR calculation with quantization of values which are scaled depending on SNR. |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009086080A2 (fr) | 2009-07-09 |
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