JPH01251826A - Redundant multi-address device - Google Patents
Redundant multi-address deviceInfo
- Publication number
- JPH01251826A JPH01251826A JP63079489A JP7948988A JPH01251826A JP H01251826 A JPH01251826 A JP H01251826A JP 63079489 A JP63079489 A JP 63079489A JP 7948988 A JP7948988 A JP 7948988A JP H01251826 A JPH01251826 A JP H01251826A
- Authority
- JP
- Japan
- Prior art keywords
- information
- circuits
- time
- circuit
- transmission
- 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
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000015654 memory Effects 0.000 abstract 3
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000010287 polarization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、無線通信に利用する。特に、同報送信手段に
関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention is applied to wireless communication. In particular, it relates to broadcast transmission means.
本発明は、無線による冗長同報装置において、送信回路
の前段に記憶装置を含む遅延回路を有することにより、
同報通信の性能を妨げることなく、回線瞬断の影響を回
避することができるようにしたものである。The present invention provides a wireless redundant broadcasting device that includes a delay circuit including a storage device before a transmitting circuit, thereby making it possible to avoid the effects of instantaneous line interruptions without impeding the performance of broadcast communication. This is what I did.
従来例では、異なる周波数や異なる偏波面などにより同
一の情報を冗長同報していた。In the conventional example, the same information was redundantly broadcast using different frequencies and different polarization planes.
このような従来例では、冗長された情報が周波数や偏波
面によらず時間的に同一であるので、フェージングなど
で瞬断が発生すると、周波数や偏波面を選択して受信し
ても情報の一部が欠落した不完全な受信しかできない欠
点がある。また、同報通信であるから再送ができない欠
点がある。In such conventional examples, the redundant information is temporally the same regardless of frequency or polarization plane, so if a momentary interruption occurs due to fading, the information will be lost even if the frequency or polarization plane is selected and received. The disadvantage is that only incomplete reception is possible with some parts missing. Furthermore, since it is a broadcast communication, there is a drawback that retransmission is not possible.
本発明は、このような欠点を除去するもので、回線瞬断
による影響を回避することができる冗長同報装置を提供
することを目的とする。The present invention aims to eliminate such drawbacks and to provide a redundant broadcasting device that can avoid the effects of instantaneous line interruptions.
本発明は、ひとつの情報を電磁波を用いて送信する送信
装置を含む第一の無線送信手段と、この第一の無線送信
手段の送信装置が送信する情報と同一の情報を上記第一
の無線送信手段の送信装置が用いる電磁波と属性の異な
る電磁波を用いて送信する送信装置を含む第二の無線送
信手段とを備えた冗長同報装置において、上記二つの無
線送信手段の少なくても一方は、自毛段を経由して送信
すべき情報を一時記憶する記憶手段と、この記憶手段に
記憶された情報を所定時間にわたり保持させた後に読出
し、自毛段の送信装置に与える制御部とを備えたことを
特徴とする。The present invention includes a first wireless transmitter including a transmitter that transmits one piece of information using electromagnetic waves, and a first wireless transmitter that transmits the same information transmitted by the transmitter of the first wireless transmitter. In a redundant broadcasting device comprising an electromagnetic wave used by the transmitting device of the transmitting means and a second wireless transmitting means including a transmitting device that transmits using electromagnetic waves having different attributes, at least one of the two wireless transmitting means , a storage means for temporarily storing information to be transmitted via the hair stage, and a control unit that reads out the information stored in the storage means after holding it for a predetermined period of time and provides the information to the transmission device of the hair stage. It is characterized by being equipped.
一方の無線送信手段からの送信は他方の無線送信手段か
らの送信に比べて、情報の送出時間より短くかつフェー
ジング現象などに伴う回線瞬断時間より長い時間だけ遅
延させて実行する。The transmission from one wireless transmission means is delayed compared to the transmission from the other wireless transmission means by a time shorter than the information transmission time and longer than the instantaneous line interruption time due to a fading phenomenon or the like.
これにより、瞬断が発生しても、同一情報の人手が可能
になる。This makes it possible to use the same information manually even if a momentary power outage occurs.
受信側装置では、第一の手段から送信された情報に欠落
が検出された場合には、この欠落部分に相当する情報を
第二の手段から送信された情報で補足する。In the receiving side device, when a omission is detected in the information transmitted from the first means, the information corresponding to the missing portion is supplemented with the information transmitted from the second means.
以下、本発明の一実施例について図面を参照して説明す
る。図はこの実施例を示すブロック構成図である。An embodiment of the present invention will be described below with reference to the drawings. The figure is a block diagram showing this embodiment.
この実施例は、図に示すように、ひとつの情報を電磁波
を用いて送信する情報と同一の情報をこの送信装置６−
１が用いる電磁波と属性の異なる電磁波を用いて送信す
る送信装置６−２と、自毛段を経由して送信すべき情報
を一時記憶する記憶手段である記憶制御部４−１．４−
２および記憶装置５−１．５−２と、この記憶手段に記
憶された情報を所定時間にわたり保持させた後に読出し
、自毛段の送信装置に与える制御部３−１および３−２
とを備える。In this embodiment, as shown in the figure, one piece of information is transmitted using electromagnetic waves, and the same information is transmitted from this transmitter 6 to
A transmitting device 6-2 that transmits using electromagnetic waves having different attributes from the electromagnetic waves used by the transmitter 1, and a storage control unit 4-1.4- which is a storage means for temporarily storing information to be transmitted via the hair stage.
2 and a storage device 5-1, 5-2, and control units 3-1 and 3-2 that read out the information stored in the storage means for a predetermined period of time and provide the information to the transmitting device of the self-hair stage.
Equipped with.
次に、この実施例の動作を説明する。同報すべき情報が
情報入力部Ｉを経由して遅延回路２に人力さ′れると、
この入力情報は記憶制御部４により記憶装置５に格納さ
れる。制御部３により送信回路６に記憶情報が転送され
るが、このときに送信回路６−１に転送する情報と送信
回路６−２に転送する情報の転送タイミングに遅延回路
２−２により時間差ｔ１が与えられる。送信回路６に転
送された情報はアンテナ７から発射される。送信回路６
およびアンテナ７の設定により周波数や偏波面などが異
なる電波が発射されて冗長同報される。Next, the operation of this embodiment will be explained. When the information to be broadcast is manually input to the delay circuit 2 via the information input section I,
This input information is stored in the storage device 5 by the storage control unit 4. The control unit 3 transfers the stored information to the transmitting circuit 6, but at this time, the delay circuit 2-2 creates a time difference t1 between the transfer timing of the information transferred to the transmitting circuit 6-1 and the information transferred to the transmitting circuit 6-2. is given. The information transferred to the transmitting circuit 6 is emitted from the antenna 7. Transmission circuit 6
Depending on the settings of the antenna 7, radio waves with different frequencies, polarization planes, etc. are emitted and redundantly broadcast.
遅延時間ｔ、の値は情報の送出時間Ｔより小さくかつ瞬
断時間ｔ２より大きな値に統計的手段により設定される
（Ｔ ＞ ｔ ｒ’ ＞ ｔ ２ ）。したがって瞬断
が発生しても、同一情報が遅延時間ｔ１後に入手可能に
なり、瞬断による情報の欠落は無くかつ再送の必要も無
い通信を実現することができる。The value of the delay time t is set by statistical means to a value smaller than the information sending time T and larger than the instantaneous interruption time t2 (T>tr'>t2). Therefore, even if an instantaneous interruption occurs, the same information becomes available after the delay time t1, and communication can be realized without missing information due to an instantaneous interruption and without the need for retransmission.
本発明は、以上説明したように、送信回路の前段に記憶
装置を含む遅延回路を設けるので、同報通信の性能を妨
げることなく、回線瞬断の影響を回避できる効果がある
。As described above, the present invention provides a delay circuit including a storage device upstream of the transmitting circuit, and therefore has the effect of avoiding the effects of instantaneous line interruptions without impeding the performance of broadcast communication.
図は本発明実施例の構成を示すブロック構成図。
１・・・情報人力部、２・・・遅延回路、３・・・制御
部、４・・・記憶制御部、５・・・記憶装置、６・・・
送信回路、７・・・アンテナ。
特許出願人 日本電気株式会社１．。
代理人 弁理士 井 出 直 孝゛The figure is a block configuration diagram showing the configuration of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Information manpower department, 2... Delay circuit, 3... Control part, 4... Storage control part, 5... Storage device, 6...
Transmission circuit, 7...antenna. Patent applicant: NEC Corporation 1. . Agent Patent Attorney Takashi Ide
Claims (1)
含む第一の無線送信手段と、 この第一の無線送信手段の送信装置が送信する情報と同
一の情報を上記第一の無線送信手段の送信装置が用いる
電磁波と属性の異なる電磁波を用いて送信する送信装置
を含む第二の無線送信手段と を備えた冗長同報装置において、 上記二つの無線送信手段の少なくても一方は、自手段を
経由して送信すべき情報を一時記憶する記憶手段と、 この記憶手段に記憶された情報を所定時間にわたり保持
させた後に読出し、自手段の送信装置に与える制御部と[Claims] 1. A first wireless transmitter including a transmitter that transmits one piece of information using electromagnetic waves; and a first wireless transmitter that transmits the same information as the transmitter of the first wireless transmitter. A redundant broadcasting device comprising a second wireless transmitting device including a transmitting device that transmits using electromagnetic waves having different attributes from the electromagnetic waves used by the transmitting device of the first wireless transmitting device, wherein at least one of the two wireless transmitting means However, one of the devices includes a storage means for temporarily storing information to be transmitted via the own means, and a control unit that reads out the information stored in the storage means after holding it for a predetermined time and supplies it to the transmitting device of the own means. and
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63079489A JPH01251826A (en) | 1988-03-30 | 1988-03-30 | Redundant multi-address device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63079489A JPH01251826A (en) | 1988-03-30 | 1988-03-30 | Redundant multi-address device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01251826A true JPH01251826A (en) | 1989-10-06 |
Family
ID=13691314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63079489A Pending JPH01251826A (en) | 1988-03-30 | 1988-03-30 | Redundant multi-address device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01251826A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008172849A (en) * | 1998-12-08 | 2008-07-24 | Matsushita Electric Ind Co Ltd | Power line carrier communication system |
-
1988
- 1988-03-30 JP JP63079489A patent/JPH01251826A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008172849A (en) * | 1998-12-08 | 2008-07-24 | Matsushita Electric Ind Co Ltd | Power line carrier communication system |
| JP4616367B2 (en) * | 1998-12-08 | 2011-01-19 | パナソニック株式会社 | Power line carrier communication system |
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