JPH04292023A - Radio communication equipment - Google Patents
Radio communication equipmentInfo
- Publication number
- JPH04292023A JPH04292023A JP3081960A JP8196091A JPH04292023A JP H04292023 A JPH04292023 A JP H04292023A JP 3081960 A JP3081960 A JP 3081960A JP 8196091 A JP8196091 A JP 8196091A JP H04292023 A JPH04292023 A JP H04292023A
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- Prior art keywords
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- receiver
- receivers
- antenna
- selects
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005562 fading Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 1
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- Monitoring And Testing Of Transmission In General (AREA)
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- Radio Transmission System (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、ホットスタンバイ形で
スペースダイバシティ方式の無線通信装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot standby type space diversity wireless communication device.
【０００２】この種の装置では送信機が二重化されてお
り、またアンテナ及び受信機が各々一対用意されて受信
品質の高い方が動的に切替選択される。[0002] In this type of device, the transmitter is duplicated, and pairs of antennas and receivers are prepared, and the one with higher reception quality is dynamically switched and selected.
【０００３】0003
【従来の技術】図４において、相手局１０へ一対のアン
テナ１２，１４が指向しており、それらアンテナ１２，
１４にはサーキュレータ４０，４２を介して受信機１６
，１８が接続されている。2. Description of the Related Art In FIG. 4, a pair of antennas 12 and 14 are directed toward a partner station 10.
14 is connected to the receiver 16 via circulators 40 and 42.
, 18 are connected.
【０００４】そして、両受信機１６，１８で得られた出
力は切替器２０に供給されており、この切替器２０で一
方の受信出力が選択される。[0004] The outputs obtained by both receivers 16 and 18 are supplied to a switch 20, and the switch 20 selects one of the received outputs.
【０００５】また、相手局１０に送信すべき信号はハイ
ブリッド４４を介して現用側と予備側の送信機２２，２
４に供給されており、両送信機２２，２４で得られた出
力は切替器２６に供給されている。[0005] Furthermore, the signal to be transmitted to the partner station 10 is transmitted via the hybrid 44 to the transmitters 22, 2 on the working side and the standby side.
4, and the outputs obtained from both transmitters 22 and 24 are supplied to a switch 26.
【０００６】切替器２６では両送信機２２，２４で得ら
れた出力のいずれかが選択されており、その切替出力は
サーキュレータ４０を介して一方アンテナ１２に供給さ
れている。[0006] The switch 26 selects one of the outputs obtained from both transmitters 22 and 24, and the switched output is supplied to one antenna 12 via a circulator 40.
【０００７】なお、相手局１０も同一構成とされており
、したがって、この相手局１０もアンテナ１１２，１１
４，受信機１１６，１１８，切替器１２０，送信機１２
２，１２４，切替器１２６，サーキュレータ１４０，１
４２，ハイブリッド１４４を備えている。[0007] Note that the other station 10 also has the same configuration, so this other station 10 also has antennas 112 and 11.
4, receivers 116, 118, switch 120, transmitter 12
2, 124, switch 126, circulator 140, 1
42, and a hybrid 144.
【０００８】ここで、無線通信装置１（相手局１０）に
おいてはアンテナ１２，１４（アンテナ１１２，１１４
）の双方が受信に利用されており、受信機１６，１８（
受信機１１６，１１８）で得られた出力のうち品質の高
いものが切替器２０（切替器１２０）で選択される。[0008] Here, the wireless communication device 1 (destination station 10) has antennas 12 and 14 (antennas 112 and 114).
) are used for reception, and receivers 16 and 18 (
Among the outputs obtained by the receivers 116, 118), the one with the highest quality is selected by the switch 20 (switch 120).
【０００９】また、送信にはアンテナ１２（アンテナ１
１２）のみが利用されており、送信機２２，２４（送信
機１２２，１２４）のうち現用側で障害が発生した場合
には、予備側の送信機出力が切替器２６（切替器１２６
）により切替選択される。[0009] Also, for transmission, antenna 12 (antenna 1
12) is used, and if a failure occurs on the working side of the transmitters 22 and 24 (transmitters 122 and 124), the output of the standby side transmitter is switched to the switch 26 (switcher 126).
) is toggled and selected.
【００１０】0010
【発明が解決しようとする課題】図５で示されるように
、相手局１０において受信障害が両アンテナ１１２，１
１４の出力から確認された場合、この障害は送信側（無
線通信装置１）の送信アンテナ系で発生したもの，ある
いは受信側（相手局１０）の両受信系に影響を及ぼすフ
ェージングによるものと考えられ、したがって、無線通
信装置１，相手局１０間の無線回線が断たれる状態が継
続する。[Problem to be Solved by the Invention] As shown in FIG.
If confirmed from the output of 14, this failure is considered to have occurred in the transmitting antenna system on the transmitting side (wireless communication device 1), or due to fading affecting both receiving systems on the receiving side (destination station 10). Therefore, the state in which the wireless link between the wireless communication device 1 and the partner station 10 is disconnected continues.
【００１１】本発明は上記の事情に鑑みてなされたもの
であり、その目的は、相手局との通信が断たれる障害を
迅速に復旧することが可能となる無線通信装置を提供す
ることにある。The present invention has been made in view of the above circumstances, and its purpose is to provide a wireless communication device that can quickly recover from a failure in which communication with a partner station is cut off. be.
【００１２】0012
【課題を解決するための手段】上記目的を達成するため
に、第１の発明にかかる無線通信装置（１）は図１で示
されるように構成されている。Means for Solving the Problems In order to achieve the above object, a wireless communication device (1) according to a first aspect of the invention is configured as shown in FIG.
【００１３】同図において、一対の送受信アンテナ１２
，１４は相手局１０に指向しており、両アンテナ１２，
１４には受信機１６，１８が各々接続されている。In the figure, a pair of transmitting and receiving antennas 12
, 14 are directed toward the partner station 10, and both antennas 12,
14 are connected to receivers 16 and 18, respectively.
【００１４】そして、両受信機１６，１８で得られた出
力は受信機切替器２０に与えられており、この受信機切
替器２０により両受信機１６，１８の出力が選択される
。The outputs obtained by both receivers 16 and 18 are given to a receiver switch 20, and the outputs of both receivers 16 and 18 are selected by this receiver switch 20.
【００１５】また、相手局１０に送信すべき信号は二つ
の送信機２２，２４に供給されており、両送信機２２，
２４で得られた出力の一方が送信機切替器２６で選択さ
れている。[0015] Furthermore, signals to be transmitted to the partner station 10 are supplied to two transmitters 22 and 24, and both transmitters 22,
One of the outputs obtained at 24 is selected by a transmitter switch 26.
【００１６】その送信機切替器２６で選択された送信出
力はアンテナ切替器２８へ供給されており、アンテナ切
替器２８で選択された送信機切替器２６の出力は送受信
アンテナ１２，１４の一方に供給されている。The transmission output selected by the transmitter switch 26 is supplied to the antenna switch 28, and the output of the transmitter switch 26 selected by the antenna switch 28 is sent to one of the transmitting and receiving antennas 12 and 14. Supplied.
【００１７】なお第２の発明では、受信機１６，１８の
出力からアンテナ切替指令の受信を確認したときにアン
テナ切替器２８を切替制御する切替制御器３０が図３の
ように設けらる。In the second invention, a switching controller 30 is provided as shown in FIG. 3, which controls switching of the antenna switching device 28 when reception of the antenna switching command is confirmed from the outputs of the receivers 16 and 18.
【００１８】また第３の発明では、受信機１６，１８の
出力から両アンテナを用いた受信が不能となる障害の発
生を確認したときにアンテナ切替指令の送信を送信機２
２，２４に依頼する切替指令器３２が図３のように設け
られる。Further, in the third invention, when it is confirmed from the outputs of the receivers 16 and 18 that a failure has occurred that makes reception using both antennas impossible, the transmitter 2 transmits the antenna switching command.
A switching command unit 32 for requesting signals 2 and 24 is provided as shown in FIG.
【００１９】[0019]
【作用】第１の発明では、相手局１０のスペースダイバ
シティアンテナ１１２，１１４による受信が不能となる
障害が発生したときに、送信側で利用されるアンテナ１
２，１４がアンテナ切替器２８によって切り替えられる
。[Operation] In the first invention, when a failure occurs that makes reception by the space diversity antennas 112 and 114 of the partner station 10 impossible, the antenna 1 used on the transmitting side
2 and 14 are switched by an antenna switch 28.
【００２０】また第２の発明においては、送信に供され
るアンテナ１２，１４の切替が相手局１０から受信した
アンテナ切替指令で自動的に切り替えられる。In the second aspect of the invention, the antennas 12 and 14 used for transmission are automatically switched in response to an antenna switching command received from the partner station 10.
【００２１】さらに第３の発明では、受信機出力から両
アンテナを用いた受信が不能となる障害の発生を確認し
たときに相手局１０へ上記のアンテナ切替指令が送信さ
れる。Furthermore, in the third aspect of the invention, when it is confirmed from the receiver output that a failure has occurred that makes reception using both antennas impossible, the above-mentioned antenna switching command is transmitted to the other station 10.
【００２２】[0022]
【実施例】以下、図面に基づいて本発明にかかる無線通
信装置の好適な実施例を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the wireless communication device according to the present invention will be described below with reference to the drawings.
【００２３】図２には第１実施例が示されており、図４
と同一部材に関する説明は同一符号を付することによっ
て省略する。A first embodiment is shown in FIG. 2, and FIG.
Explanation regarding the same members will be omitted by assigning the same reference numerals.
【００２４】同図の無線通信装置１では切替器２６の出
力側に別の切替器２８が設けられており、その切替出力
はサーキュレータ４０，４２を介してそれぞれのアンテ
ナ１２，１４に供給されている。In the wireless communication device 1 shown in the figure, another switch 28 is provided on the output side of the switch 26, and its switching output is supplied to the respective antennas 12, 14 via circulators 40, 42. There is.
【００２５】そして、切替器２８は切替制御器５０で制
御されており、この制御は切替指令スイッチ５２の操作
に応じて行なわれている。The switching device 28 is controlled by a switching controller 50, and this control is performed in accordance with the operation of a switching command switch 52.
【００２６】さらに、切替器２６，２８間とサーキュレ
ータ４０，４２の出力側にバンドパスフィルタ５４，５
６，５８が挿入されており、それらは送信側と受信側の
切り分け用及び不要波の発生防止用として機能している
。Furthermore, bandpass filters 54 and 5 are provided between the switchers 26 and 28 and on the output sides of the circulators 40 and 42.
6 and 58 are inserted, and they function to separate the transmitting side and the receiving side and to prevent the generation of unnecessary waves.
【００２７】なお、相手局１０も同一の構成とされてお
り、このため、切替器１２８，切替制御器１５０，切替
指令スイッチ１５２，バンドパスフィルタ１５４，１５
６，１５８が設けられている。Note that the partner station 10 also has the same configuration, and therefore has a switching device 128, a switching controller 150, a switching command switch 152, and bandpass filters 154, 15.
6,158 are provided.
【００２８】本実施例では、相手局１０でアンテナ１１
２，１１４によるスペースダイバシティ受信が不能とな
ったときに、相手局１０から無線局１に至る無線回線ま
たは他の回線を用いて相手局１０の操作者から無線通信
装置１の操作者へ障害の発生が通知される。In this embodiment, the antenna 11 is
When space diversity reception by 2,114 becomes impossible, the operator of the other station 10 communicates the problem to the operator of the wireless communication device 1 using the wireless line from the other station 10 to the wireless station 1 or another line. You will be notified of the occurrence.
【００２９】これにより切替指令スイッチ５が操作され
、切替制御器５０で切替器２８が制御される。As a result, the switching command switch 5 is operated, and the switching controller 50 controls the switching device 28.
【００３０】その結果、送信アンテナがアンテナ１２か
らアンテナ１４へ、あるいはアンテナ１４からアンテナ
１２へ切り替えられる。As a result, the transmitting antenna is switched from antenna 12 to antenna 14 or from antenna 14 to antenna 12.
【００３１】したがって、アンテナ１２または１４の障
害やフェージングによる障害で断たれていた無線回線を
復旧することが可能となる。[0031] Therefore, it is possible to restore a radio line that has been cut off due to a failure in the antenna 12 or 14 or a failure due to fading.
【００３２】図３には第２の実施例が示されており、図
２と同一部材に関する説明は同一符号を付することによ
って省略する。A second embodiment is shown in FIG. 3, and a description of the same members as in FIG. 2 will be omitted by assigning the same reference numerals.
【００３３】本実施例の無線通信装置１には、受信機１
６，１８の出力からアンテナ切替指令の受信を確認した
ときに切替器２８を制御する切替制御器３０，受信機１
６，１８の出力からスペースダィバシティ受信の障害発
生を確認したときにアンテナ切替指令の送信を送信機２
２，２４に依頼する切替指令器３２が追加されている。The wireless communication device 1 of this embodiment includes a receiver 1.
A switching controller 30 that controls the switching device 28 when the reception of the antenna switching command is confirmed from the outputs of the antennas 6 and 18, and the receiver 1.
When it is confirmed from the outputs of 6 and 18 that a space diversity reception failure has occurred, transmitter 2 transmits an antenna switching command.
A switching command unit 32 is added that requests the switching commands 2 and 24.
【００３４】また相手局１０においても、同様な切替制
御器１３０，切替指令器１３２が設けられている。[0034] Also in the partner station 10, a similar switching controller 130 and switching command unit 132 are provided.
【００３５】したがって、アンテナ１１２，１１４を用
いたスペースダイバシティの受信が不能となる障害を受
信機１１６，１１８の出力から切替指令器１３２が確認
すると、アンテナ切替指令の送信を送信機１２２，１２
４に依頼する。Therefore, when the switching command unit 132 confirms from the outputs of the receivers 116 and 118 that there is a failure that makes space diversity reception using the antennas 112 and 114 impossible, the transmitter 122 and 12 transmits the antenna switching command.
Request 4.
【００３６】このため、相手局１０から無線通信通信装
置１へその指令が送信され、この指令の受信が無線通信
装置１の切替制御器３０で確認される。Therefore, the command is transmitted from the partner station 10 to the wireless communication device 1, and the switching controller 30 of the wireless communication device 1 confirms that the command is received.
【００３７】その結果、切替器２８が切替制御器３０で
自動制御され、送信アンテナがアンテナ１２からアンテ
ナ１４へ，あるいはアンテナ１４からアンテナ１８へ切
り替えられる。As a result, the switch 28 is automatically controlled by the switch controller 30, and the transmitting antenna is switched from the antenna 12 to the antenna 14 or from the antenna 14 to the antenna 18.
【００３８】このように、受信障害発生の検知と送信ア
ンテナの切替を要求する送信とが受信側で自動的に行な
われ、この要求の受信と送信アンテナの切替とが送信側
においても自動的に行なわれる。In this way, the reception side automatically detects the occurrence of a reception failure and sends a request to switch the transmitting antenna, and the transmitting side also automatically receives this request and switches the transmitting antenna. It is done.
【００３９】したがって、装置管理を自動化でき、しか
も、障害の復旧をより迅速に行なうことが可能となる。[0039] Therefore, device management can be automated, and moreover, failure recovery can be performed more quickly.
【００４０】[0040]
【発明の効果】以上説明したように本発明によれば、送
信先で受信障害が発生したときに送信アンテナを切り替
えてその障害を速やかに復旧でき、このため無線通信シ
ステムの信頼性をさらに高めることが可能となる。[Effects of the Invention] As explained above, according to the present invention, when a reception failure occurs at a transmission destination, the transmission antenna can be switched to quickly recover from the failure, thereby further improving the reliability of the wireless communication system. becomes possible.
【図１】発明の原理説明図である。FIG. 1 is a diagram explaining the principle of the invention.
【図２】第１実施例の構成説明図である。FIG. 2 is an explanatory diagram of the configuration of the first embodiment.
【図３】第２実施例の構成説明図である。FIG. 3 is a configuration explanatory diagram of a second embodiment.
【図４】従来例の構成説明図である。FIG. 4 is a configuration explanatory diagram of a conventional example.
【図５】従来例の回線障害説明図である。FIG. 5 is an explanatory diagram of line failure in a conventional example.
１ 無線通信装置 １０ 相手局 １６，１８ 受信機 ２０ 切替器（受信機切替機） ２２，２４ 送信機 ２６ 切替器（送信機切替機） ２８ 切替器（アンテナ切替機） ４０，４２ サーキュレータ ４４ ハイブリッド ５０ 切替制御器 ５２ 切替指令スイッチ ５４，５６，５８バンドパスフィルタ 1 Wireless communication device 10 Opponent station 16,18 Receiver 20 Switching device (receiver switching device) 22, 24 Transmitter 26 Switcher (transmitter switcher) 28 Switcher (antenna switcher) 40,42 Circulator 44 Hybrid 50 Switching controller 52 Changeover command switch 54, 56, 58 band pass filter
Claims (3)
信アンテナ（１２，１４）と、両アンテナ（１２，１４
）に各々接続された受信機（１６，１８）と、両受信機
（１６，１８）で得られた出力の一方を選択する受信機
切替器（２０）と、相手局（１０）に送信すべき信号が
各々供給される一対の送信機（２２，２４）と、両送信
機（２２，２４）で得られた出力の一方を選択する送信
機切替器（２６）と、送信機切替器（２６）で選択され
た送信出力を両送受信アンテナ（１２，１４）の一方に
供給するアンテナ切替器（２８）と、を有する、ことを
特徴とした無線通信装置。Claim 1: A pair of transmitting/receiving antennas (12, 14) directed toward a partner station (10), and both antennas (12, 14).
), a receiver switch (20) that selects one of the outputs obtained from both receivers (16, 18), and a receiver switch (20) that selects one of the outputs obtained by the receivers (16, 18), and a receiver that selects one of the outputs obtained by the receivers (16, 18), and A pair of transmitters (22, 24) to which respective signals are supplied, a transmitter switch (26) that selects one of the outputs obtained by both transmitters (22, 24), and a transmitter switch (22, 24). 26) An antenna switcher (28) that supplies the transmission output selected in step 26) to one of the transmitting and receiving antennas (12, 14).
信アンテナ（１２，１４）と、両アンテナ（１２，１４
）に各々接続された受信機（１６，１８）と、両受信機
（１６，１８）で得られた出力の一方を選択する受信機
切替器（２０）と、相手局（１０）に送信すべき信号が
各々供給される一対の送信機（２２，２４）と、両送信
機（２２，２４）で得られた出力の一方を選択する送信
機切替器（２６）と、送信機切替器（２６）で選択され
た送信出力を両送受信アンテナ（１２，１４）の一方に
供給するアンテナ切替器（２８）と、受信機（１６，１
８）の出力からアンテナ切替指令の受信を確認したとき
にアンテナ切替器（２８）の切替制御を行なう切替制御
器（３０）と、を有する、ことを特徴とした無線通信装
置。Claim 2: A pair of transmitting/receiving antennas (12, 14) directed toward the partner station (10), and both antennas (12, 14).
), a receiver switch (20) that selects one of the outputs obtained from both receivers (16, 18), and a receiver switch (20) that selects one of the outputs obtained by the receivers (16, 18), and a receiver that selects one of the outputs obtained by the receivers (16, 18), and A pair of transmitters (22, 24) to which respective signals are supplied, a transmitter switch (26) that selects one of the outputs obtained by both transmitters (22, 24), and a transmitter switch (22, 24). an antenna switcher (28) that supplies the transmission output selected in step 26) to one of the transmitting and receiving antennas (12, 14); and a receiver (16, 1).
A wireless communication device comprising: a switching controller (30) that performs switching control of an antenna switching device (28) when reception of an antenna switching command is confirmed from the output of (8).
信アンテナ（１２，１４）と、両アンテナ（１２，１４
）に各々接続された受信機（１６，１８）と、両受信機
（１６，１８）で得られた出力の一方を選択する受信機
切替器（２０）と、相手局（１０）に送信すべき信号が
各々供給される一対の送信機（２２，２４）と、両送信
機（２２，２４）で得られた出力の一方を選択する送信
機切替器（２６）と、送信機切替器（２６）で選択され
た送信出力を両送受信アンテナ（１２，１４）の一方に
供給するアンテナ切替器（２８）と、受信機（１６，１
８）の出力からアンテナ切替指令の受信を確認したとき
にアンテナ切替器（２８）の切替制御を行なう切替制御
器（３０）と、受信機（１６，１８）の出力から両アン
テナを用いた受信が不能となる障害の発生を確認したと
きにアンテナ切替指令の送信を送信機（２２，２４）に
依頼する切替指令器（３２）と、を有する、ことを特徴
とした無線通信装置。Claim 3: A pair of transmitting/receiving antennas (12, 14) directed toward the partner station (10), and both antennas (12, 14).
), a receiver switch (20) that selects one of the outputs obtained from both receivers (16, 18), and a receiver switch (20) that selects one of the outputs obtained by the receivers (16, 18), and a receiver that selects one of the outputs obtained by the receivers (16, 18), and A pair of transmitters (22, 24) to which respective signals are supplied, a transmitter switch (26) that selects one of the outputs obtained by both transmitters (22, 24), and a transmitter switch (22, 24). an antenna switcher (28) that supplies the transmission output selected in step 26) to one of the transmitting and receiving antennas (12, 14); and a receiver (16, 1).
A switching controller (30) performs switching control of the antenna switching device (28) when reception of the antenna switching command is confirmed from the output of the receiver (16, 18), and reception using both antennas is performed based on the output of the receiver (16, 18). 1. A wireless communication device comprising: a switching command device (32) that requests a transmitter (22, 24) to transmit an antenna switching command when the occurrence of a failure that disables antenna switching is confirmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3081960A JPH04292023A (en) | 1991-03-20 | 1991-03-20 | Radio communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3081960A JPH04292023A (en) | 1991-03-20 | 1991-03-20 | Radio communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04292023A true JPH04292023A (en) | 1992-10-16 |
Family
ID=13761073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3081960A Withdrawn JPH04292023A (en) | 1991-03-20 | 1991-03-20 | Radio communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04292023A (en) |
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|---|---|---|---|---|
| US6385464B1 (en) | 1996-11-26 | 2002-05-07 | Sanyo Electric Co., Ltd. | Base station for mobile communication system |
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-
1991
- 1991-03-20 JP JP3081960A patent/JPH04292023A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980514 |