JPS6411429A - Interference reduced signal transmission system for mobile communication - Google Patents
Interference reduced signal transmission system for mobile communicationInfo
- Publication number
- JPS6411429A JPS6411429A JP62165245A JP16524587A JPS6411429A JP S6411429 A JPS6411429 A JP S6411429A JP 62165245 A JP62165245 A JP 62165245A JP 16524587 A JP16524587 A JP 16524587A JP S6411429 A JPS6411429 A JP S6411429A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detector
- sent
- deterioration
- output
- 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.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
PURPOSE:To reduce deterioration due to adjacent channel interference by detecting reception state deterioration and controlling the signal of that time by disconnection, amplitude limitation, or interpolation and also utilizing it for the logic of a selection of a diversity branch. CONSTITUTION:A signal received by a receiver 2 through an antenna 1 is sent to a reception state deterioration detector 7 through a frequency detector 3. The detector 7 detects the deterioration from the absolute value of an FM- demodulated signal as the output of an (a) detector 3 after it passes through a low-pass filter, the electric power of a (b) FM-modulated signal after it passes through a band-pass filter, the absolute value of the time differentiated value of a (c) FM-demodulated signal, or a combination of >=2 of them. The output of is sent to a means 80 which consists of a means 801 for determining a threshold value and a comparator 802 and controls a switch. The output of the means 80 is sent to the switch 4 and when the reception state deteriorates, the current received signal is disconnected to remove interference noises.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165245A JPS6411429A (en) | 1987-07-03 | 1987-07-03 | Interference reduced signal transmission system for mobile communication |
US07/169,501 US4969207A (en) | 1987-03-20 | 1988-03-17 | Radio receiver with reception deterioration compensation |
EP88302385A EP0283299B1 (en) | 1987-03-20 | 1988-03-18 | Radio receiver |
DE3855263T DE3855263T2 (en) | 1987-03-20 | 1988-03-18 | Radio receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165245A JPS6411429A (en) | 1987-07-03 | 1987-07-03 | Interference reduced signal transmission system for mobile communication |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6411429A true JPS6411429A (en) | 1989-01-17 |
Family
ID=15808634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62165245A Pending JPS6411429A (en) | 1987-03-20 | 1987-07-03 | Interference reduced signal transmission system for mobile communication |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6411429A (en) |
-
1987
- 1987-07-03 JP JP62165245A patent/JPS6411429A/en active Pending
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