JPS5813758U - Spread spectrum communication receiver - Google Patents
Spread spectrum communication receiverInfo
- Publication number
- JPS5813758U JPS5813758U JP1981107362U JP10736281U JPS5813758U JP S5813758 U JPS5813758 U JP S5813758U JP 1981107362 U JP1981107362 U JP 1981107362U JP 10736281 U JP10736281 U JP 10736281U JP S5813758 U JPS5813758 U JP S5813758U
- Authority
- JP
- Japan
- Prior art keywords
- noise code
- spread spectrum
- spectrum communication
- communication receiver
- pseudo
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置の一例を示す構成図、第２図はＰＮ符
号の一例の説明に供するための路線図、第３図は本考案
め一実施例を示す構成図、第４図は本考案の要蔀の一例
を示す構成図である。
４は掛算器、１０は電圧制御型発振器、１１゜２１は分
周器、１２はＰＮ符号発生器、２２はスイッチ回路、２
３はレベル検出回路である。Fig. 1 is a block diagram showing an example of a conventional device, Fig. 2 is a route diagram for explaining an example of a PN code, Fig. 3 is a block diagram showing an embodiment of the present invention, and Fig. 4 is a block diagram of the present invention. FIG. 2 is a configuration diagram showing an example of the main points of the invention. 4 is a multiplier, 10 is a voltage controlled oscillator, 11°21 is a frequency divider, 12 is a PN code generator, 22 is a switch circuit, 2
3 is a level detection circuit.
Claims (1)
択受信し、該選択受信出力を復調して情報信号を再生す
る支ペクトラム拡散通信方式の受信装置において、上記
選択受信出力のレベルを検出し基準値と比較するレベル
検出回路と、該レベル検出回路の出力に応答して上記擬
似雑音符号の周期を切換える切換手段とを備え、上記検
出レベルが上記基準値より低くなったときは上記擬似雑
音符号の周期を早めるようにしたことを特徴とするスペ
クトラム拡散通信方式の受信装置。Detecting the level of the selected received output in a receiving device using a subspectral spread communication system that selectively receives only signals that are completely correlated with a receiving pseudo-noise code and demodulates the selected received output to reproduce an information signal. and a switching means for switching the period of the pseudo noise code in response to the output of the level detection circuit, and when the detection level becomes lower than the reference value, the pseudo noise code is A receiving device using a spread spectrum communication system, characterized in that the period of a noise code is accelerated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981107362U JPS5813758U (en) | 1981-07-20 | 1981-07-20 | Spread spectrum communication receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981107362U JPS5813758U (en) | 1981-07-20 | 1981-07-20 | Spread spectrum communication receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5813758U true JPS5813758U (en) | 1983-01-28 |
| JPS6324691Y2 JPS6324691Y2 (en) | 1988-07-06 |
Family
ID=29901803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981107362U Granted JPS5813758U (en) | 1981-07-20 | 1981-07-20 | Spread spectrum communication receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813758U (en) |
-
1981
- 1981-07-20 JP JP1981107362U patent/JPS5813758U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324691Y2 (en) | 1988-07-06 |
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