KR100243213B1 - 제로상태평가량을이용한비터비복호데이터의품질평가장치 - Google Patents
제로상태평가량을이용한비터비복호데이터의품질평가장치 Download PDFInfo
- Publication number
- KR100243213B1 KR100243213B1 KR1019970024723A KR19970024723A KR100243213B1 KR 100243213 B1 KR100243213 B1 KR 100243213B1 KR 1019970024723 A KR1019970024723 A KR 1019970024723A KR 19970024723 A KR19970024723 A KR 19970024723A KR 100243213 B1 KR100243213 B1 KR 100243213B1
- Authority
- KR
- South Korea
- Prior art keywords
- evaluation
- evaluation amount
- data
- zero state
- state evaluation
- Prior art date
Links
- 238000011156 evaluation Methods 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000013441 quality evaluation Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000001413 cellular effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 102100029768 Histone-lysine N-methyltransferase SETD1A Human genes 0.000 description 2
- 101000865038 Homo sapiens Histone-lysine N-methyltransferase SETD1A Proteins 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 101100218322 Arabidopsis thaliana ATXR3 gene Proteins 0.000 description 1
- 102100032742 Histone-lysine N-methyltransferase SETD2 Human genes 0.000 description 1
- 101100149326 Homo sapiens SETD2 gene Proteins 0.000 description 1
- LZHSWRWIMQRTOP-UHFFFAOYSA-N N-(furan-2-ylmethyl)-3-[4-[methyl(propyl)amino]-6-(trifluoromethyl)pyrimidin-2-yl]sulfanylpropanamide Chemical compound CCCN(C)C1=NC(=NC(=C1)C(F)(F)F)SCCC(=O)NCC2=CC=CO2 LZHSWRWIMQRTOP-UHFFFAOYSA-N 0.000 description 1
- 101100533304 Plasmodium falciparum (isolate 3D7) SETVS gene Proteins 0.000 description 1
- 101150117538 Set2 gene Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011157 data evaluation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
-
- 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
- H03M13/6569—Implementation on processors, e.g. DSPs, or software implementations
-
- 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
- H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
-
- 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
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
- H03M13/4107—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing add, compare, select [ACS] operations
-
- 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
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
- H03M13/413—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors tail biting Viterbi decoding
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
Description
종류전송률 | IS-95 CDMA 셀룰러 | PCS(J-STD-008) | |
FULL | 9600 bps | 9600 bps | 14400 bps |
HALF | 4800 bps | 4800 bps | 7200 bps |
QUARTER | 2400 bps | 2400 bps | 3600 bps |
1/8 | 1200 bps | 1200 bps | 1800 bps |
비고 | RATE SET1 | RATE SET2 |
Claims (1)
- 인코더 테일비트를 사용하는 길쌈부호를 사용하는 시스템에서 비터비 복호기의 복호 데이터의 품질을 평가하기 위한 장치에 있어서,입력되는 복조 데이터에 대하여 4가지의 가정된 전송율(FULL, HALF, QUARTER 1/8 레이트)에 대한 지로평가량을 계산하기 위한 지로평가부;상기 지로평가량을 입력하여, 트랙리스 경로에 따라 각 상태에 도달하는 지로평가량과 하기 상태평가량 저장부에 저장된 그 지로가 시작된 상태의 상태평가량을 누적 연산하여 새로운 상태평가량을 산출하고, 산출된 상태평가량을 비교하여 적은 쪽의 경로를 선택하여, 상기 가정된 전송율에 대한 각각의 제로상태 평가량을 출력하는 가산/비교/선택부;상기 가산/비교/선택부에서 출력되는 상기 새로운 상태평가량을 저장하는 상태평가량 저장부;상기 가산/비교/선택부에서 출력되는 상기 가정된 전송율에 대한 각각의 제로상태 평가량을 저장하는 레지스터; 및상기 레지스터에 저장된 제로상태 평가량을 리드하고, 각각의 전송율에 대한 제로상태 평가량을 비교하여, 제로상태 평가량이 최저값에 해당하는 전송율을 실제 전송율로 결정하는 비터비 복호 데이터의 품질평가수단을 포함하는 제로상태 평가량을 이용한 비터비 복호 데이터의 품질평가장치.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970024723A KR100243213B1 (ko) | 1997-06-14 | 1997-06-14 | 제로상태평가량을이용한비터비복호데이터의품질평가장치 |
DE69733468T DE69733468T2 (de) | 1997-06-14 | 1997-12-22 | Rechner für Viterbi-dekodierte Daten mit zerostate metric hoher Qualität |
EP97310408A EP0884852B1 (en) | 1997-06-14 | 1997-12-22 | Quality calculator for viterbi-decoded data using zerostate metrics |
US09/000,839 US6029268A (en) | 1997-06-14 | 1997-12-30 | Quality calculator apparatus for use with Viterbi-decoded data using zero-state metrics |
CA002226487A CA2226487C (en) | 1997-06-14 | 1998-01-07 | Quality calculator for viterbi-decoded data using zero-state metrics |
CNB981036341A CN1167201C (zh) | 1997-06-14 | 1998-01-07 | 使用零状态度量值的维特比解码数据质量计算装置 |
JP06736298A JP3248715B2 (ja) | 1997-06-14 | 1998-03-17 | ゼロ状態評価量を用いたビタービ復号データの品質評価装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970024723A KR100243213B1 (ko) | 1997-06-14 | 1997-06-14 | 제로상태평가량을이용한비터비복호데이터의품질평가장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990001410A KR19990001410A (ko) | 1999-01-15 |
KR100243213B1 true KR100243213B1 (ko) | 2000-02-01 |
Family
ID=19509578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970024723A KR100243213B1 (ko) | 1997-06-14 | 1997-06-14 | 제로상태평가량을이용한비터비복호데이터의품질평가장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6029268A (ko) |
EP (1) | EP0884852B1 (ko) |
JP (1) | JP3248715B2 (ko) |
KR (1) | KR100243213B1 (ko) |
CN (1) | CN1167201C (ko) |
CA (1) | CA2226487C (ko) |
DE (1) | DE69733468T2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100526564B1 (ko) * | 1999-04-23 | 2005-11-04 | 삼성전자주식회사 | 비터비 복호기에서의 초기 상태평가량 설정장치 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3202658B2 (ja) * | 1997-06-20 | 2001-08-27 | 日本電気株式会社 | 可変レートcdma送信電力制御方式 |
US6205186B1 (en) * | 1997-09-03 | 2001-03-20 | Qualcomm Incorporated | Decoding with partial state information on a convolutionally encoded channel |
US6112325A (en) * | 1998-01-23 | 2000-08-29 | Dspc Technologies, Ltd. | Method and device for detecting rate |
FR2786636B1 (fr) * | 1998-11-26 | 2001-05-04 | Cit Alcatel | Procede de reception de signaux, notamment de signaux de signalisation |
JP3815543B2 (ja) * | 2000-12-27 | 2006-08-30 | 日本電気株式会社 | 記録状態検出装置およびこれを備えた情報記録再生装置 |
US7730381B2 (en) * | 2004-06-09 | 2010-06-01 | Qualcomm Incorporated | Erasure detection and power control for a transport channel with unknown format in a wireless communication system |
US8074158B2 (en) | 2005-02-02 | 2011-12-06 | Qualcomm Incorporated | Erasure detection for a transport channel with an unknown format |
JP2007195076A (ja) * | 2006-01-20 | 2007-08-02 | Nec Corp | 無線通信システムとその送信電力制御方法および装置 |
US8739009B1 (en) * | 2007-12-27 | 2014-05-27 | Marvell International Ltd. | Methods and apparatus for defect detection and correction via iterative decoding algorithms |
US9118480B2 (en) | 2013-02-11 | 2015-08-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Frame quality estimation during viterbi decoding |
CN108347714A (zh) * | 2018-04-02 | 2018-07-31 | 西安交通大学 | 一种利用软件无线电平台实现d2d通信的方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527279A (en) * | 1982-07-12 | 1985-07-02 | Kokusai Denshin Denwa Co. | Synchronization circuit for a Viterbi decoder |
DE69024386T2 (de) * | 1989-03-15 | 1996-05-30 | Nippon Electric Co | Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem |
US5390198A (en) * | 1993-05-26 | 1995-02-14 | The Boeing Company | Soft decision viterbi decoder for M-ary convolutional codes |
ZA947317B (en) * | 1993-09-24 | 1995-05-10 | Qualcomm Inc | Multirate serial viterbi decoder for code division multiple access system applications |
CN1082292C (zh) * | 1994-02-16 | 2002-04-03 | 东芝株式会社 | 采样相位同步装置及所用的双向最大似然序列估计方式 |
JP2605641B2 (ja) * | 1994-11-14 | 1997-04-30 | 日本電気株式会社 | 可変ビットレート判別方法及び装置 |
US5784392A (en) * | 1995-06-26 | 1998-07-21 | Nokia Mobile Phones Ltd. | Viterbi decoder with l=2 best decoding paths |
CN1099165C (zh) * | 1996-03-18 | 2003-01-15 | 三星电子株式会社 | 维特比译码器 |
US5878098A (en) * | 1996-06-27 | 1999-03-02 | Motorola, Inc. | Method and apparatus for rate determination in a communication system |
-
1997
- 1997-06-14 KR KR1019970024723A patent/KR100243213B1/ko not_active IP Right Cessation
- 1997-12-22 EP EP97310408A patent/EP0884852B1/en not_active Expired - Lifetime
- 1997-12-22 DE DE69733468T patent/DE69733468T2/de not_active Expired - Lifetime
- 1997-12-30 US US09/000,839 patent/US6029268A/en not_active Expired - Lifetime
-
1998
- 1998-01-07 CN CNB981036341A patent/CN1167201C/zh not_active Expired - Fee Related
- 1998-01-07 CA CA002226487A patent/CA2226487C/en not_active Expired - Fee Related
- 1998-03-17 JP JP06736298A patent/JP3248715B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100526564B1 (ko) * | 1999-04-23 | 2005-11-04 | 삼성전자주식회사 | 비터비 복호기에서의 초기 상태평가량 설정장치 |
Also Published As
Publication number | Publication date |
---|---|
US6029268A (en) | 2000-02-22 |
JPH1117558A (ja) | 1999-01-22 |
CA2226487C (en) | 2002-02-19 |
EP0884852A2 (en) | 1998-12-16 |
CN1167201C (zh) | 2004-09-15 |
DE69733468T2 (de) | 2006-03-23 |
JP3248715B2 (ja) | 2002-01-21 |
EP0884852A3 (en) | 1999-03-17 |
EP0884852B1 (en) | 2005-06-08 |
CN1202766A (zh) | 1998-12-23 |
DE69733468D1 (de) | 2005-07-14 |
CA2226487A1 (en) | 1998-12-14 |
KR19990001410A (ko) | 1999-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4199281B2 (ja) | Tdma無線システムにおけるソフト誤り補正 | |
US5432822A (en) | Error correcting decoder and decoding method employing reliability based erasure decision-making in cellular communication system | |
JP3889448B2 (ja) | 可変レート通信システムにおいて受信データのレートを決定する方法および装置 | |
EP1062756B1 (en) | Received signal quality determination method and receiver for convolutionally encoded communication channels | |
US5907563A (en) | Error control method and apparatus for wireless data communication | |
US7680057B2 (en) | Data transmission method, data transmission system, transmitter and receiver | |
KR100654515B1 (ko) | 복호화 방법 및 통신 단말 장치 | |
US6400728B1 (en) | Method and system for detecting user data types in digital communications channels and optimizing encoding-error correction in response thereto | |
JP4065025B2 (ja) | 複数の符号レートを用いるセルラー通信システム | |
KR100413097B1 (ko) | 데이터 전송 방법, 데이터 전송 시스템, 송신기 및 수신기 | |
KR100243213B1 (ko) | 제로상태평가량을이용한비터비복호데이터의품질평가장치 | |
US6415137B1 (en) | Transmission power control apparatus | |
KR100213876B1 (ko) | 비터비 복호기를 이용한 비트 오율 측정 장치 | |
US6363513B1 (en) | Transmission system with adaptive channel encoder and decoder | |
JP2965056B2 (ja) | 復号化装置 | |
JP2008054235A (ja) | 変調方式判定装置、受信装置、変調方式判定方法及び変調方式判定プログラム | |
EP1387516A1 (en) | Blind transport format detection in spread spectrum receivers | |
US6775250B1 (en) | Method of updating reference value in high speed closed loop based on likelihood | |
JP4031426B2 (ja) | 受信装置及び閾値変更装置 | |
JP2001339466A (ja) | 可変レート符号受信装置 | |
KR100872266B1 (ko) | 이동통신시스템에서 정보 전송프레임구조와 복호 방법 | |
JP2004282284A (ja) | 送信電力制御方法、無線通信システム及び無線通信装置 | |
JP2002217876A (ja) | 復号化装置および復号化方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19970614 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970614 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19990730 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19991028 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19991116 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19991117 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20021031 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20031030 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20041029 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20051028 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20061030 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20071030 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20081114 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20091029 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20091029 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20111010 |