KR100287913B1 - 통신 시스템에서 디지털 신호 처리 장치 및 방법. - Google Patents
통신 시스템에서 디지털 신호 처리 장치 및 방법. Download PDFInfo
- Publication number
- KR100287913B1 KR100287913B1 KR1019990003142A KR19990003142A KR100287913B1 KR 100287913 B1 KR100287913 B1 KR 100287913B1 KR 1019990003142 A KR1019990003142 A KR 1019990003142A KR 19990003142 A KR19990003142 A KR 19990003142A KR 100287913 B1 KR100287913 B1 KR 100287913B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- mux
- signal processing
- feedback path
- Prior art date
Links
- 238000012545 processing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010295 mobile communication Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 9
- 239000000872 buffer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (4)
- 입력되는 복수개의 신호중 하나의 신호를 선택하여 출력하는 다수의 먹스(MUX)로 이루어진 먹스부와,상기 다수의 먹스로부터 출력되는 신호를 다음 신호 처리를 위해 저장하거나, 피드백시키기 위해 저장하는 다수의 레지스터와,상기 다수의 레지스터에서 출력되는 신호를 승산하는 적어도 2개 이상의 곱셈기와,상기 곱셈기의 출력신호 또는 다른 입력신호를 상기 피드백 경로로 받아들이는 1차 가감부와,상기 1차 가감부의 출력신호 또는 다른 입력신호 상기 피드백 경로의 신호를 받아들이는 2차 가감부와,상기 2차 가감부의 출력신호를 원하는 범위를 갖도록 데이터의 표시 자리수를 조정하는 가변 포화기(Variable Saturator)와,상기 트랜케이터에서 출력되는 신호를 가변하는 트랜케이터(Trancator)와,상기 피드백 경로에 의해 제공되는 심볼 단위의 데이터를 저장하여 상기 특정 먹스로 제공하는 심볼-레이트 레지스터 뱅크를 포함하여 구성된 것을 특징으로 하는 통신 시스템에서 디지털 신호 처리 장치.
- 제 1항에 있어서, 상기 피드백 경로를 제공하는 먹스(MUX)에는 상기 레지스터와 상기 가변 포화기의 출력신호가 입력되는 것을 특징으로 하는 통신 시스템에서 디지털 신호 처리 장치.
- 입력되는 신호를 수신하여 I, Q 심볼을 구하는 단계와,상기 입력신호의 주파수 에러를 구하는 단계와,상기 입력신호의 수신 신호 세기 지시(RSSI)값을 구하는 단계와,상기 입력신호의 시간 추적 위상을 구하는 단계로 이루어진 것을 특징으로 하는 통신 시스템에서 디지털 신호 처리 방법.
- 제 3항에 있어서, 상기 디지털 신호 처리시 중간 결과를 미리 저장하여, 저장된 데이터가 필요할 경우에 이용하는 것을 특징으로 하는 통신 시스템에서 디지털 신호 처리 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990003142A KR100287913B1 (ko) | 1999-01-30 | 1999-01-30 | 통신 시스템에서 디지털 신호 처리 장치 및 방법. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990003142A KR100287913B1 (ko) | 1999-01-30 | 1999-01-30 | 통신 시스템에서 디지털 신호 처리 장치 및 방법. |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000052224A KR20000052224A (ko) | 2000-08-16 |
KR100287913B1 true KR100287913B1 (ko) | 2001-04-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990003142A KR100287913B1 (ko) | 1999-01-30 | 1999-01-30 | 통신 시스템에서 디지털 신호 처리 장치 및 방법. |
Country Status (1)
Country | Link |
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KR (1) | KR100287913B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100459120B1 (ko) * | 2000-03-21 | 2004-12-03 | 엘지전자 주식회사 | 신호처리를 위한 연산 장치 |
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1999
- 1999-01-30 KR KR1019990003142A patent/KR100287913B1/ko not_active IP Right Cessation
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Publication number | Publication date |
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KR20000052224A (ko) | 2000-08-16 |
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