EP1985026A4 - Unité de communication sans fil et technique de réception d'un signal sans fil - Google Patents
Unité de communication sans fil et technique de réception d'un signal sans filInfo
- Publication number
- EP1985026A4 EP1985026A4 EP07763525A EP07763525A EP1985026A4 EP 1985026 A4 EP1985026 A4 EP 1985026A4 EP 07763525 A EP07763525 A EP 07763525A EP 07763525 A EP07763525 A EP 07763525A EP 1985026 A4 EP1985026 A4 EP 1985026A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- receiving
- communication unit
- wireless communication
- wireless
- wireless 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.)
- Withdrawn
Links
Classifications
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/45—Soft decoding, i.e. using symbol reliability information
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/47—Error detection, forward error correction or error protection, not provided for in groups H03M13/01 - H03M13/37
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
- H03M13/612—Aspects specific to channel or signal-to-noise ratio estimation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/65—Purpose and implementation aspects
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/65—Purpose and implementation aspects
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
- H03M13/6591—Truncation, saturation and clamping
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Noise Elimination (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0602195A GB2434948B (en) | 2006-02-03 | 2006-02-03 | Wireless communication unit and method for receiving a wireless signal |
PCT/US2007/061501 WO2007092744A2 (fr) | 2006-02-03 | 2007-02-02 | Unité de communication sans fil et technique de réception d'un signal sans fil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1985026A2 EP1985026A2 (fr) | 2008-10-29 |
EP1985026A4 true EP1985026A4 (fr) | 2012-12-19 |
Family
ID=36100992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07763525A Withdrawn EP1985026A4 (fr) | 2006-02-03 | 2007-02-02 | Unité de communication sans fil et technique de réception d'un signal sans fil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1985026A4 (fr) |
GB (1) | GB2434948B (fr) |
WO (1) | WO2007092744A2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7876846B2 (en) * | 2007-03-28 | 2011-01-25 | Aspen Acquisition Corporation | Method of QAM soft demapping |
US7551106B1 (en) | 2007-12-18 | 2009-06-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Adjusting soft values to reduce bias |
WO2009086080A2 (fr) * | 2007-12-21 | 2009-07-09 | Qualcomm Incorporated | Procédé et appareil de traitement d'un signal de communication |
US8073076B2 (en) * | 2007-12-21 | 2011-12-06 | Qualcomm Incorporated | Method and apparatus for processing a communication signal |
EP2088725B1 (fr) | 2008-02-11 | 2014-05-07 | Telefonaktiebolaget LM Ericsson (publ) | Technique de mise à l'échelle souple de bits |
US8311143B2 (en) | 2008-03-31 | 2012-11-13 | Qualcomm Incorporated | Scaling methods and apparatus using SNR estimate to avoid overflow |
US9113364B2 (en) * | 2012-08-09 | 2015-08-18 | Microsoft Technology Licensing, Llc | Extended access point |
US9602236B2 (en) | 2013-06-18 | 2017-03-21 | Samsung Electronics Co., Ltd. | Computing system with decoding adjustment mechanism and method of operation thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040168114A1 (en) * | 2003-02-26 | 2004-08-26 | Tom Richardson | Soft information scaling for iterative decoding |
US20040258139A1 (en) * | 2003-06-06 | 2004-12-23 | June Namgoong | Method and apparatus for near-optimal scaling of log-likelihood ratio (LLR) computation in turbo decoding for hybrid automatic repeat request (ARQ) |
US20050025076A1 (en) * | 2003-07-29 | 2005-02-03 | Arunava Chaudhuri | Scaling and quantizing soft-decision metrics for decoding |
WO2005071913A1 (fr) * | 2004-01-21 | 2005-08-04 | Qualcomm Incorporated | Detection de donnees pour une transmission de donnees codees hierarchiques |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5450453A (en) * | 1994-09-28 | 1995-09-12 | Motorola, Inc. | Method, apparatus and system for decoding a non-coherently demodulated signal |
US6377607B1 (en) * | 1999-05-13 | 2002-04-23 | Qualcomm Incorporated | System and method for performing accurate demodulation of turbo-encoded signals via pilot assisted coherent demodulation |
US7173990B2 (en) * | 2001-12-27 | 2007-02-06 | Dsp Group Inc. | Joint equalization, soft-demapping and phase error correction in wireless system with receive diversity |
US7340013B2 (en) * | 2002-10-24 | 2008-03-04 | Agere Systems Inc. | Soft sample scaling in a turbo decoder |
US6966024B2 (en) * | 2002-12-31 | 2005-11-15 | Motorola, Inc. | Method and device for adaptive quantization of soft bits |
-
2006
- 2006-02-03 GB GB0602195A patent/GB2434948B/en not_active Expired - Fee Related
-
2007
- 2007-02-02 WO PCT/US2007/061501 patent/WO2007092744A2/fr active Application Filing
- 2007-02-02 EP EP07763525A patent/EP1985026A4/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040168114A1 (en) * | 2003-02-26 | 2004-08-26 | Tom Richardson | Soft information scaling for iterative decoding |
US20040258139A1 (en) * | 2003-06-06 | 2004-12-23 | June Namgoong | Method and apparatus for near-optimal scaling of log-likelihood ratio (LLR) computation in turbo decoding for hybrid automatic repeat request (ARQ) |
US20050025076A1 (en) * | 2003-07-29 | 2005-02-03 | Arunava Chaudhuri | Scaling and quantizing soft-decision metrics for decoding |
WO2005071913A1 (fr) * | 2004-01-21 | 2005-08-04 | Qualcomm Incorporated | Detection de donnees pour une transmission de donnees codees hierarchiques |
Also Published As
Publication number | Publication date |
---|---|
WO2007092744B1 (fr) | 2008-08-21 |
WO2007092744A3 (fr) | 2008-06-19 |
GB2434948B (en) | 2008-04-09 |
WO2007092744A2 (fr) | 2007-08-16 |
GB0602195D0 (en) | 2006-03-15 |
EP1985026A2 (fr) | 2008-10-29 |
GB2434948A (en) | 2007-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080728 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MOTOROLA SOLUTIONS, INC. |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20121116 |
|
17Q | First examination report despatched |
Effective date: 20121210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20130423 |