JP2003518809A - ソフトシンボルを適宜選択する方法および装置 - Google Patents
ソフトシンボルを適宜選択する方法および装置Info
- Publication number
- JP2003518809A JP2003518809A JP2001547757A JP2001547757A JP2003518809A JP 2003518809 A JP2003518809 A JP 2003518809A JP 2001547757 A JP2001547757 A JP 2001547757A JP 2001547757 A JP2001547757 A JP 2001547757A JP 2003518809 A JP2003518809 A JP 2003518809A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- bit
- communication device
- composite signal
- bit position
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000004891 communication Methods 0.000 claims abstract description 53
- 239000002131 composite material Substances 0.000 claims description 33
- 230000006870 function Effects 0.000 description 52
- 238000007781 pre-processing Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000012805 post-processing Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 101100053609 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) YSC84 gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
-
- 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
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17170099P | 1999-12-22 | 1999-12-22 | |
| US60/171,700 | 1999-12-22 | ||
| US09/677,938 US6754503B1 (en) | 2000-10-02 | 2000-10-02 | Method for adaptively selecting a soft symbol for a subsequent operation a communication device |
| US09/677,938 | 2000-10-02 | ||
| PCT/US2000/035051 WO2001047137A1 (en) | 1999-12-22 | 2000-12-22 | Method and apparatus for adaptively selecting a soft symbol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003518809A true JP2003518809A (ja) | 2003-06-10 |
| JP2003518809A5 JP2003518809A5 (enExample) | 2008-02-14 |
Family
ID=26867332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001547757A Withdrawn JP2003518809A (ja) | 1999-12-22 | 2000-12-22 | ソフトシンボルを適宜選択する方法および装置 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1155511A1 (enExample) |
| JP (1) | JP2003518809A (enExample) |
| KR (1) | KR100782628B1 (enExample) |
| CN (1) | CN1320780C (enExample) |
| WO (1) | WO2001047137A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10238300B4 (de) * | 2002-08-21 | 2006-08-10 | Infineon Technologies Ag | Verfahren und Architektur zur Übergabe von Symbolen einer Rake-Finger-Struktur an aufgabenspezifische Hardware-Module |
| TWI330957B (en) * | 2002-11-20 | 2010-09-21 | Interdigital Tech Corp | Wireless transmit receive unit and method for implementing forward error detection decoding of received wireless commuinication signals |
| KR101050615B1 (ko) * | 2004-01-05 | 2011-07-19 | 삼성전자주식회사 | 연판정 복호기를 위한 입력범위 조절 장치 및 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5446763A (en) * | 1991-07-02 | 1995-08-29 | Motorola, Inc. | Apparatus and method for converting soft symbols into soft bits |
| US5841816A (en) * | 1992-10-22 | 1998-11-24 | Ericsson Inc. | Diversity Pi/4-DQPSK demodulation |
| KR100264861B1 (ko) * | 1992-11-24 | 2000-09-01 | 윤종용 | 디지탈 신호의 강도 표시 방법 |
| US5572552A (en) * | 1994-01-27 | 1996-11-05 | Ericsson Ge Mobile Communications Inc. | Method and system for demodulation of downlink CDMA signals |
-
2000
- 2000-12-22 KR KR1020017010616A patent/KR100782628B1/ko not_active Expired - Fee Related
- 2000-12-22 WO PCT/US2000/035051 patent/WO2001047137A1/en not_active Ceased
- 2000-12-22 CN CNB008066132A patent/CN1320780C/zh not_active Expired - Fee Related
- 2000-12-22 EP EP00989429A patent/EP1155511A1/en not_active Withdrawn
- 2000-12-22 JP JP2001547757A patent/JP2003518809A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN1320780C (zh) | 2007-06-06 |
| EP1155511A1 (en) | 2001-11-21 |
| KR100782628B1 (ko) | 2007-12-06 |
| WO2001047137A1 (en) | 2001-06-28 |
| KR20010112276A (ko) | 2001-12-20 |
| CN1349686A (zh) | 2002-05-15 |
| WO2001047137A8 (en) | 2001-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU695996B2 (en) | A system for decoding digital data using a variable decision depth | |
| EP1290821B1 (en) | Methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits | |
| CN102804617B (zh) | 导频干扰消去的方法和装置 | |
| US6577672B2 (en) | Spread spectrum mobile station for simultaneously receiving and processing multiple channels of data | |
| KR19990076857A (ko) | 생존자 경로의 변수를 이용하는 기호를 디코딩하는 방법 및 장치 | |
| US5715282A (en) | Method and apparatus for detecting interference in a receiver for use in a wireless communication system | |
| CN101119130A (zh) | 在无线通信系统中的自适应信道估计 | |
| US6173008B1 (en) | Rake receiver for reducing hardware consumption and improving search performance | |
| CN101278489A (zh) | 用于处理接收到的通信信号的方法和设备 | |
| JP2001507888A (ja) | 白色化パス・メトリックを用いた通信信号の逐次最尤推定装置、方法およびコンピュータプログラム・プロダクト | |
| EP1368915A1 (en) | Rake receiver for cdma wireless communications | |
| US20030095588A1 (en) | Low complexity multiuser detector | |
| CN1790968B (zh) | 用于编码通信系统的二级缩放与量化的方法及装置 | |
| JP2003518809A (ja) | ソフトシンボルを適宜選択する方法および装置 | |
| WO1997005717A1 (en) | Apparatus and method for rate determination in on-off variable-rate communication systems | |
| US6754503B1 (en) | Method for adaptively selecting a soft symbol for a subsequent operation a communication device | |
| US9749156B2 (en) | Receiving device and method of mobile communication system | |
| JP2661579B2 (ja) | 受信装置 | |
| CN1613203A (zh) | 用于接收复合信号的方法和接收机 | |
| JP2003510885A (ja) | 信号の時間追跡方法およびその装置 | |
| KR100851285B1 (ko) | 데이터 신호의 효율적인 디인터리빙 및 다이버시티-결합을용이하게 하는 방법 및 장치 | |
| WO2007127129A2 (en) | Method of using a shared control channel in wireless communications | |
| KR100993461B1 (ko) | 데이터 신호 처리 방법, 컴퓨터 판독가능 저장 매체, 데이터 신호 처리 장치 및 룩업 테이블 | |
| EP2091170B1 (en) | Scaling and clipping of a digital received signal according to the modulation format or the measured C/I | |
| KR20020074601A (ko) | 안테나 어레이를 구비한 부호분할다중접속방식 기지국수신시스템의 수신 신호 복 방법 및 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071218 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071218 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20080515 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20090909 |