JPH0234536B2 - - Google Patents
Info
- Publication number
- JPH0234536B2 JPH0234536B2 JP59002929A JP292984A JPH0234536B2 JP H0234536 B2 JPH0234536 B2 JP H0234536B2 JP 59002929 A JP59002929 A JP 59002929A JP 292984 A JP292984 A JP 292984A JP H0234536 B2 JPH0234536 B2 JP H0234536B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- value
- detector
- maximum value
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000006866 deterioration Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005562 fading Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
- H04B2001/7152—Interference-related aspects with means for suppressing interference
-
- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/7156—Arrangements for sequence synchronisation
- H04B2001/71566—Tracking
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59002929A JPS60146544A (ja) | 1984-01-11 | 1984-01-11 | 同期監視装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59002929A JPS60146544A (ja) | 1984-01-11 | 1984-01-11 | 同期監視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60146544A JPS60146544A (ja) | 1985-08-02 |
| JPH0234536B2 true JPH0234536B2 (fr) | 1990-08-03 |
Family
ID=11543029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59002929A Granted JPS60146544A (ja) | 1984-01-11 | 1984-01-11 | 同期監視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60146544A (fr) |
-
1984
- 1984-01-11 JP JP59002929A patent/JPS60146544A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60146544A (ja) | 1985-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5253268A (en) | Method and apparatus for the correlation of sample bits of spread spectrum radio signals | |
| US5166952A (en) | Method and apparatus for the reception and demodulation of spread spectrum radio signals | |
| US5093841A (en) | Clock acquisition in a spread spectrum system | |
| US5157686A (en) | Method and apparatus for the modulation of spread spectrum radio signals | |
| US6128331A (en) | Correlation system for use in wireless direct sequence spread spectrum systems | |
| US6925134B1 (en) | System and method for signal synchronization in a communication system | |
| EP0583241B1 (fr) | Correlateur de spectre disperse | |
| US6212223B1 (en) | Demodulation and correlation for spread spectrum communications | |
| US5892792A (en) | 12-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone | |
| US5818868A (en) | Direct-sequence spread-spectrum receiver including code acquisition and detection using an autoadaptive threshold | |
| US20030012259A1 (en) | Communications system employing differential orthogonal modulation | |
| JP2007524267A (ja) | 並列スペクトラム拡散通信システムおよび方法 | |
| EA007357B1 (ru) | Способ и система связи с параллельным расширенным спектром | |
| US5995536A (en) | System for discrete data transmission with noise-like, broadband signals | |
| CA2001349C (fr) | Methode de communication a spectre etale utilisant la modulation csk | |
| US7103089B2 (en) | Multibit spread spectrum signaling | |
| JP2003532311A (ja) | 差分符号シフトキーイングを利用するスペクトラム拡散通信システム | |
| JPH09153885A (ja) | 同期判定回路、復調器及び通信システム | |
| US6301287B1 (en) | Method and apparatus for signal quality estimation in a direct sequence spread spectrum communication system | |
| WO2001045315A1 (fr) | Determination du temps d'echantillonnage de symboles d'un recepteur radio a decision ferme | |
| US6940837B1 (en) | Spread spectrum demodulator | |
| JPH0234536B2 (fr) | ||
| JP2780696B2 (ja) | キャリア検出装置 | |
| JPH10107684A (ja) | スペクトル拡散通信方法及び装置 | |
| US6611550B1 (en) | Spread spectrum receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |