JPS57170633A - Site diversity communication system - Google Patents
Site diversity communication systemInfo
- Publication number
- JPS57170633A JPS57170633A JP5534481A JP5534481A JPS57170633A JP S57170633 A JPS57170633 A JP S57170633A JP 5534481 A JP5534481 A JP 5534481A JP 5534481 A JP5534481 A JP 5534481A JP S57170633 A JPS57170633 A JP S57170633A
- Authority
- JP
- Japan
- Prior art keywords
- timing
- switching
- transmitted
- signal
- code
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
Abstract
PURPOSE:To prevent the phase shift of a signal accompanying the switching of transmitting stations, by switching transmitted signals during said switching on the basis of a timing discrimination code added to the, transmitted signal transmitted to a ground communication path, at every specific information interval. CONSTITUTION:A timing discrimination code generating circuit TMG generates a three-bit count-circulating code for a signal sequence of input transmitted signals at the timing of each block converted into one burst by a burst converting circuit CVT1. Then, a multiplexing circuit MPX adds the three-bit code to the head of each block of the input transmitted signal. Timing discriminating circuits TDT1 and TDT2 detect the three-bit timing discrimination code in the arrival transmitted signal sequence, and detect its value. For the switching of site diversity, the value of the timing discrimination code is specified and control is so exercised that an global station A starts transmission at a signal following the transmitted signal whose transmission is interrupted by an global station B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5534481A JPS57170633A (en) | 1981-04-13 | 1981-04-13 | Site diversity communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5534481A JPS57170633A (en) | 1981-04-13 | 1981-04-13 | Site diversity communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57170633A true JPS57170633A (en) | 1982-10-20 |
Family
ID=12995883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5534481A Pending JPS57170633A (en) | 1981-04-13 | 1981-04-13 | Site diversity communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57170633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001047149A1 (en) * | 1999-12-20 | 2001-06-28 | Kabushiki Kaisha Kenwood | Site diversity method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast |
-
1981
- 1981-04-13 JP JP5534481A patent/JPS57170633A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001047149A1 (en) * | 1999-12-20 | 2001-06-28 | Kabushiki Kaisha Kenwood | Site diversity method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast |
| US7283569B2 (en) | 1999-12-20 | 2007-10-16 | Kabushiki Kaisha Kenwood | Site delivery method, method for receiving digital satellite broadcast, and receiver for digital satellite broadcast |
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