JPH05129969A - Transmission power control system - Google Patents
Transmission power control systemInfo
- Publication number
- JPH05129969A JPH05129969A JP3313775A JP31377591A JPH05129969A JP H05129969 A JPH05129969 A JP H05129969A JP 3313775 A JP3313775 A JP 3313775A JP 31377591 A JP31377591 A JP 31377591A JP H05129969 A JPH05129969 A JP H05129969A
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- JP
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- Prior art keywords
- level
- transmitter
- output level
- line
- 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.)
- Granted
Links
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- Transceivers (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は無線装置の送信電力制御
方式に関し、特に送信出力レベルが制御されているべき
送信出力レベルを越えた場合、或いは最大制御レベルで
ある設定した時間を越えて出力されている場合に生じる
隣接干渉を軽減するための方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission power control method for a wireless device, and more particularly, when a transmission output level exceeds a transmission output level to be controlled, or when a maximum control level exceeds a set time. The present invention relates to a method for reducing adjacent interference that may occur when there is an error.
【０００２】[0002]
【従来の技術】従来の無線装置の送信電力制御方式の一
例を図３に示す。同図において、１はＡ局の送信機であ
り、送信出力レベルを比較する比較器２を有している。
又、３はＢ局の受信機であり、送信電力制御器４を有し
ている。2. Description of the Related Art FIG. 3 shows an example of a conventional transmission power control method for a wireless device. In the figure, 1 is a transmitter of station A, which has a comparator 2 for comparing the transmission output levels.
Further, 3 is a receiver of the B station, which has a transmission power controller 4.
【０００３】この方式では、送信機１からの信号を受信
機３が受信すると、受信入力レベル１０３を送信電力制
御器４に入力し、送信電力制御器４はこれを送信出力制
御信号１０４として逆ルート回線を用いて比較器２に送
出する。比較器はこの送信出力制御信号１０４と送信機
１の送信出力モニタ信号１０１とを比較し、送信出力制
御信号１０２で送信機１の出力を制御する。In this system, when the signal from the transmitter 1 is received by the receiver 3, the reception input level 103 is input to the transmission power controller 4, and the transmission power controller 4 reverses this as the transmission output control signal 104. It is sent to the comparator 2 using the route line. The comparator compares the transmission output control signal 104 with the transmission output monitor signal 101 of the transmitter 1, and controls the output of the transmitter 1 with the transmission output control signal 102.
【０００４】又、図４は現用回線及び予備回線を備える
送信電力制御方式の例である。この例では、Ａ局に現
用、予備の各送信機１３Ａ，１３Ｂと送信側符号処理部
１２Ａ，１２Ｂを有し、送信側回線切替器１１で切り替
えるように構成する。又、Ｂ局も現用、予備の各受信機
１４Ａ，１４Ｂと受信側符号処理部１５Ａ，１５Ｂを有
し受信側回線切替器１６により切り替えるように構成す
る。FIG. 4 is an example of a transmission power control system having a working line and a protection line. In this example, the station A has working and standby transmitters 13A and 13B and transmission side code processing units 12A and 12B, respectively, and is configured to be switched by the transmission side line switch 11. Further, the station B also has respective working and spare receivers 14A and 14B and receiving side code processing units 15A and 15B, and is configured to be switched by the receiving side line switch 16.
【０００５】そして、現用の送信機１３Ａ及び送信側符
号処理部１２Ａに比較器１９を接続し、現用の受信機１
４Ａに送信電力制御器１７を接続し、前記した例と同様
に逆ルート回線によって送信出力を制御するように構成
している。又、現用の受信機１５Ａには回線切替制御器
１８を接続し、この回線切替制御器１８によって前記送
信側回線切替器１１と受信側回線切替器１６を切り替え
るようにしている。Then, a comparator 19 is connected to the active transmitter 13A and the transmission side code processing section 12A, and the active receiver 1 is connected.
The transmission power controller 17 is connected to 4A, and the transmission output is controlled by the reverse route line as in the above example. A line switching controller 18 is connected to the active receiver 15A, and the line switching controller 18 switches between the transmission side line switching device 11 and the reception side line switching device 16.
【０００６】この構成では、受信機１４Ａからの受信入
力レベル２０６に基づいて送信電力制御機１７から送信
出力制御信号２０５を比較器１９に出力し、比較器１９
では送信出力制御信号２０４により出力制御を行うとと
もに、送信出力モニタ信号２０３と比較し、実際に送信
している出力レベルと受信レベルの比較結果から、設定
したレベルを越えていた場合に符号変換情報２０２を送
信機１３Ａから送信させる。そして、この情報を受信機
１５Ａが受信したときに、回線切替情報２０７を回線切
替制御器１８に出力し、ここから出力される回線切替情
報２０１，２０８で夫々送信側回線切替器１１と受信側
回線切替器１６を動作させて回線切り替えを行う。In this configuration, the transmission power controller 17 outputs the transmission output control signal 205 to the comparator 19 based on the reception input level 206 from the receiver 14A, and the comparator 19
Then, the output control is performed by the transmission output control signal 204, the transmission output monitor signal 203 is compared, and from the comparison result of the actually transmitted output level and the reception level, when the set level is exceeded, the code conversion information is transmitted. 202 is transmitted from the transmitter 13A. Then, when the receiver 15A receives this information, it outputs the line switching information 207 to the line switching controller 18, and the line switching information 201 and 208 output from this outputs the line switching information 207 and the transmission side line switching device 11 and the receiving side, respectively. The line switch 16 is operated to switch lines.
【０００７】[0007]
【発明が解決しようとする課題】前記した図３の電力制
御方式では、実際に送信している出力レベルと受信レベ
ルを比較し、設定したレベルを越えた場合に送信出力レ
ベルを最低レベルに低下させるが、例えば送信出力レベ
ルが最大レベルで制御されているときに比較器が故障し
た場合、又は何らかの影響で送信出力レベルが最大制御
レベルで制御され続けている場合には、隣接の周波数を
使用するシステムに対して隣接干渉を引き起こすという
問題がある。In the power control method of FIG. 3 described above, the output level actually transmitted is compared with the reception level, and when the set level is exceeded, the transmission output level is lowered to the minimum level. However, if the comparator fails while the transmit power level is controlled at the maximum level, or if the transmit power level continues to be controlled at the maximum control level for some reason, the adjacent frequency is used. There is a problem that it causes adjacent interference to the existing system.
【０００８】又、図４の電力制御方式のように、現用回
線と予備回線を有する無線装置においては、実際に送信
している出力レベルと受信レベルを比較した時、ある設
定したレベルを越えていた場合に回線切替を行うが、図
３の場合と同様に比較器が故障した場合や何らかの影響
で送信出力レベルが最大制御レベルで制御され続けてい
る場合においては回線切替は行われず、隣接の周波数を
使用するシステムに対し隣接干渉を引き起こすという問
題がある。本発明の目的は、送信出力レベルが設定レベ
ルを越え、或いは最大制御レベルで設定時間を越えて出
力されているときに生じる隣接干渉を軽減する送信電力
制御方式を提供することにある。Further, in the wireless device having the working line and the protection line as in the power control system of FIG. 4, when comparing the actually transmitted output level and the received level, the level exceeds a certain set level. If the comparator fails or the transmission output level continues to be controlled at the maximum control level for some reason as in the case of FIG. 3, line switching is not performed and the adjacent line There is the problem of causing adjacent interference for systems that use frequencies. An object of the present invention is to provide a transmission power control method that reduces adjacent interference that occurs when the transmission output level exceeds the set level or is output at the maximum control level for longer than the set time.
【０００９】[0009]
【課題を解決するための手段】本発明の送信電力制御方
式は、制御されるべき送信機出力レベルと実際の送信機
出力レベルとを比較して比較結果を出力する手段と、送
信機の出力レベルを制御している時間を監視する手段
と、前記比較結果又は制御時間が夫々設定された値を越
えたときに送信機出力レベルを最低レベルに低下させる
手段を備える。又、現用回線及び予備回線の切替構成を
有し、現用回線の受信入力レベルを検出し、その検出結
果情報により送信機の出力レベルを制御する送信電力制
御方式においては、制御されるべき送信機出力レベルと
実際の送信機出力レベルとを比較して比較結果を出力す
る手段と、この比較結果がある設定した値を越えた場
合、若しくは送信機の出力レベルを制御している時間が
ある設定した値を越えた場合に送信出力レベルを低下さ
せる手段と、回線切替制御情報を受信側へ転送する手段
と、転送された回線切替制御情報を検出し予備への回線
切替を行う手段と、回線切替を行った後に回線切替後切
替完了情報を出力する手段と、回線切替完了情報により
送信機出力レベルを最低レベルに低下させる手段とを有
する。The transmission power control system of the present invention comprises means for comparing a transmitter output level to be controlled with an actual transmitter output level and outputting a comparison result, and an output of the transmitter. Means are provided for monitoring the time during which the level is controlled, and means for lowering the transmitter output level to the minimum level when the comparison result or the control time exceeds the respective set values. In addition, in a transmission power control method that has a switching configuration for the working line and the protection line, detects the received input level of the working line, and controls the output level of the transmitter according to the detection result information, the transmitter to be controlled A means for comparing the output level with the actual transmitter output level and outputting the comparison result, and a setting for when this comparison result exceeds a certain set value, or when there is a time for controlling the transmitter output level Means for lowering the transmission output level when the value exceeds the specified value, means for transferring the line switching control information to the receiving side, means for detecting the transferred line switching control information, and performing line switching to the backup, It has means for outputting switching completion information after line switching after switching, and means for lowering the transmitter output level to the minimum level by the line switching completion information.
【００１０】[0010]
【実施例】次に、本発明について図面を参照して説明す
る。図１はＡ局からＢ局への通信回線の例を示してい
る。同図において、１はＡ局の送信機であり、比較器２
を接続している。又、３はＢ局の受信機であり、送信電
力制御器４と送信電力制御監視器５を接続している。そ
して、これら送信電力制御器４と送信電力制御監視器５
は、図に破線で示す逆ルートの回線によってＡ局の比較
器２と送信機１に接続されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 shows an example of a communication line from station A to station B. In the figure, 1 is a transmitter of station A, and comparator 2
Are connected. Further, 3 is a receiver of the B station, which connects the transmission power controller 4 and the transmission power control monitor 5. Then, the transmission power controller 4 and the transmission power control monitor 5
Is connected to the comparator 2 of the station A and the transmitter 1 by a reverse route line shown by a broken line in the figure.
【００１１】この構成において、Ａ局の送信機１から送
られた信号は受信機３で受信され、そのときの受信入力
レベル信号１０３は送信電力制御器４に送られる。送信
電力制御器４は受け取った信号を送信出力制御情報１０
４に換え、送信電力制御監視器５及び逆ルートの回線で
比較器２に送信する。比較器２は受信した送信出力制御
情報１０２により送信機１に送信出力制御信号１０２を
出力して送信出力の制御を実行した後、制御後の送信出
力モニタ信号１０１と実際に制御されるべき送信出力レ
ベルを比較し、その結果が設定値を越えていたときには
送信機１の故障によるものであると判断し、送信機１に
対して最低送信出力情報１０５を出力する。In this configuration, the signal sent from the transmitter 1 of station A is received by the receiver 3, and the received input level signal 103 at that time is sent to the transmission power controller 4. The transmission power controller 4 transmits the received signal to the transmission output control information 10
4 is transmitted to the comparator 2 through the transmission power control monitor 5 and the reverse route line. The comparator 2 outputs the transmission output control signal 102 to the transmitter 1 according to the received transmission output control information 102 to control the transmission output, and then the transmission output monitor signal 101 after the control and the transmission to be actually controlled. The output levels are compared, and when the result exceeds the set value, it is determined that the transmitter 1 is malfunctioning, and the minimum transmission output information 105 is output to the transmitter 1.
【００１２】又、送信電力制御監視器５は、受け取った
送信出力制御信号１０４の最大制御レベル値が設定した
時間を越えて出力されていた場合に、送信機１に対して
最低送信出力情報１０６を出力する。送信機１は比較器
２又は送信電力制御監視器５から出力された最低送信出
力情報１０５，１０６を受け取ることにより、送信出力
レベルを最低レベルまで低下させ、隣接チャンネルの干
渉を軽減する。Further, the transmission power control monitor 5 sends the minimum transmission output information 106 to the transmitter 1 when the maximum control level value of the received transmission output control signal 104 has been output over the set time. Is output. The transmitter 1 receives the minimum transmission output information 105 and 106 output from the comparator 2 or the transmission power control monitor 5 to reduce the transmission output level to the minimum level and reduce the interference of adjacent channels.
【００１３】図２は本発明の第２実施例を示すブロック
図であり、図１と同様にＡ局→Ｂ局への通信回線の例で
ある。Ａ局は複数の回線、ここでは２つの回線を有して
おり、各回線には送信側符号処理部１２Ａ，１２Ｂと、
送信機１３Ａ，１３Ｂとが設けられ、一方を現用回線、
他方を予備回線として構成される。これらの回線は送信
側回線切替器１１によって切り替えられるように構成さ
れる。又、現用回線の送信機１３Ａには比較器１９が接
続され、又送信側符号処理部１２Ａには回線切替判定器
１０が接続される。FIG. 2 is a block diagram showing a second embodiment of the present invention, which is an example of a communication line from the A station to the B station as in FIG. Station A has a plurality of lines, here two lines, and each line has transmission side code processing units 12A and 12B,
Transmitters 13A and 13B are provided, one of which is a working line,
The other is configured as a protection line. These lines are configured to be switched by the transmission side line switch 11. Further, a comparator 19 is connected to the transmitter 13A of the working line, and a line switching judging device 10 is connected to the transmission side code processing unit 12A.
【００１４】一方、Ｂ局は複数の回線、ここでは２つの
回線を有しており、各回線には受信機１４Ａ，１４Ｂ
と、受信側符号処理部１５Ａ，１５Ｂが設けられ、一方
を現用回線、他方を予備回線として構成される。これら
の回線は受信側回線切替器１６によって切り替えられる
ように構成される。又、現用回線の受信機１４Ａには送
信電力制御器７が接続され、受信側符号処理部１５Ａ及
び受信側回線切替器１６には回線切替制御器１８が接続
されている。又、前記送信電力制御器１７と回線切替制
御器１８は、逆ルート回線（図に破線で示す）によって
前記Ａ局に接続されている。On the other hand, station B has a plurality of lines, here two lines, and each line has receivers 14A and 14B.
And receiving side code processing units 15A and 15B are provided, one of which is a working line and the other of which is a protection line. These lines are configured to be switched by the receiving side line switch 16. Further, the transmission power controller 7 is connected to the receiver 14A of the working line, and the line switching controller 18 is connected to the receiving side code processing section 15A and the receiving side line switching device 16. Further, the transmission power controller 17 and the line switching controller 18 are connected to the A station by a reverse route line (shown by a broken line in the figure).
【００１５】この構成における送信電力制御動作では、
送信機１３Ａより送られた信号は受信機１４Ａで受信さ
れ、その時の受信入力レベル信号２０６は送信電力制御
器１７に送られる。送信電力制御器１７は受け取った信
号を送信出力制御信号２０５に替え、逆ルート回線を使
い比較器１９及び回線切替判定器１０に送信する。比較
器１９は受信した送信出力制御信号２０５に基づく送信
出力制御信号２０４によって送信機１３Ａの送信出力の
制御を実行した後、その制御後に送信機１３Ａからの送
信出力モニタ信号２０３から得られる送信出力レベル
と、実際に制御されるべき送信出力レベルを比較し、そ
の比較した結果がある設定したレベルを越えていた場
合、送信機の故障によるものであると判断し、異常信号
２０９を回線切替判定器１０に出力する。In the transmission power control operation in this configuration,
The signal sent from the transmitter 13A is received by the receiver 14A, and the reception input level signal 206 at that time is sent to the transmission power controller 17. The transmission power controller 17 replaces the received signal with the transmission output control signal 205 and transmits it to the comparator 19 and the line switching judging device 10 using the reverse route line. The comparator 19 executes control of the transmission output of the transmitter 13A by the transmission output control signal 204 based on the received transmission output control signal 205, and then the transmission output obtained from the transmission output monitor signal 203 from the transmitter 13A after the control. The level and the transmission output level to be actually controlled are compared, and if the comparison result exceeds a certain set level, it is determined that the transmitter is out of order, and the abnormal signal 209 is used to determine the line switching. Output to the container 10.
【００１６】又、回線切替判定器１０は、受け取った送
信出力制御信号２０５の最大制御レベル値がある設定し
た時間を越えていた場合、又は比較器１９より出力され
る異常信号２０９を受け取った場合において、回線切替
判定器１０より送信側符号処理部１２Ａの符号処理情報
を変える符号変換情報２０２を送り、送信機１３Ａから
送信する。Further, the line switching judging device 10 receives the transmission output control signal 205 when the maximum control level value exceeds a preset time, or when the abnormal signal 209 output from the comparator 19 is received. In the above, the line switching determination unit 10 sends the code conversion information 202 that changes the code processing information of the transmission side code processing unit 12A, and transmits it from the transmitter 13A.
【００１７】すると、これを受信した受信側符号処理部
１５Ａでは異常を検出し、回線切替情報２０７を回線切
替制御器１８に出力し、回線切替制御器１８は回線切替
情報２０８を受信側回線切替器１６に送出することによ
り、強制的に回線切替を行わせる。そして、切替わった
後に回線切替制御器１８は、受信側回線切替器１６より
出力される回線切替終了情報２１０を受け取り、送信機
１３Ａに送信出力レベルを最低レベルまで低下させる最
低送信出力制御情報２１１を送り、送信機１３Ａは受け
取った情報をもとに送信出力レベルを最低レベルまで低
下させることにより、隣接チャンネルの干渉を軽減す
る。尚、回線切替制御器１８により送信側回線切替部１
１を制御して送信側の回線を切り替えることはこれまで
と同じである。Then, the receiving side code processing unit 15A which received this detects an abnormality and outputs the line switching information 207 to the line switching controller 18, and the line switching controller 18 switches the line switching information 208 to the receiving side line switching. The line is forcibly switched by sending it to the device 16. Then, after switching, the line switching controller 18 receives the line switching end information 210 output from the receiving side line switching device 16 and causes the transmitter 13A to reduce the transmission output level to the minimum level, and the minimum transmission output control information 211. And the transmitter 13A reduces the transmission output level to the lowest level based on the received information, thereby reducing the interference of the adjacent channel. The line switching controller 18 controls the transmission side line switching unit 1
Controlling 1 to switch the transmission line is the same as before.
【００１８】[0018]
【発明の効果】以上説明したように本発明は、送信電力
制御監視器を用いることにより、送信電力制御器の故
障、比較器の故障、及び送信出力が最大レベルである設
定した時間を越えて制御されている場合において、強制
的に送信機の送信出力を最低レベルまで低下させること
により、隣接干渉を軽減することができる効果がある。
又、本発明によれば、回線切替判定器を用いることによ
り、送信電力制御器の故障、送信出力レベルと実際の送
信出力レベルとの差がある設定値を越えた場合、比較器
の故障及び送信出力が最大レベルである設定した時間を
越えて制御されている場合において、強制的に回線切替
を行いかつ送信機の送信出力レベルを最低レベルまで低
下させることにより、上記状態時における隣接のシステ
ムに対し隣接干渉が軽減できる。As described above, according to the present invention, by using the transmission power control monitor, the transmission power controller has a failure, the comparator has a failure, and the transmission output exceeds the set time at the maximum level. When controlled, forcibly lowering the transmission output of the transmitter to the lowest level has the effect of reducing adjacent interference.
Further, according to the present invention, by using the line switching determiner, a failure of the transmission power controller, a failure of the comparator when the difference between the transmission output level and the actual transmission output level exceeds a certain set value, When the transmission output is controlled at the maximum level for more than the set time, the line is forcibly switched and the transmission output level of the transmitter is lowered to the minimum level, so that the adjacent system in the above state On the other hand, adjacent interference can be reduced.
【図１】本発明の送信電力制御方式の第１実施例のブロ
ック構成図である。FIG. 1 is a block configuration diagram of a first embodiment of a transmission power control system of the present invention.
【図２】本発明の送信電力制御方式の第２実施例のブロ
ック構成図である。FIG. 2 is a block diagram of a second embodiment of the transmission power control system of the present invention.
【図３】従来の送信電力制御方式の一例のブロック構成
図である。FIG. 3 is a block diagram showing an example of a conventional transmission power control method.
【図４】従来の送信電力制御方式の他の例のブロック構
成図である。FIG. 4 is a block diagram of another example of a conventional transmission power control method.
１ 送信機 ２ 比較器 ３ 受信機 ４ 送信電力制御器 ５ 送信電力制御監視部 １０ 回線切替判定器 １１ 送信側回線切替部 １２Ａ，１２Ｂ 送信側符号処理部 １３Ａ，１３Ｂ 送信機 １４Ａ，１４Ｂ 受信機 １５Ａ，１５Ｂ 受信側符号処理部 １６ 受信側回線切替器 １７ 送信電力制御器 １８ 回線切替制御器 １９ 切替器 DESCRIPTION OF SYMBOLS 1 transmitter 2 comparator 3 receiver 4 transmission power controller 5 transmission power control monitoring unit 10 line switching determination unit 11 transmission side line switching unit 12A, 12B transmission side code processing unit 13A, 13B transmitter 14A, 14B receiver 15A , 15B Receiving side code processing unit 16 Receiving side line switching unit 17 Transmission power control unit 18 Line switching control unit 19 Switching unit
Claims (2)
により送信機の出力レベルを制御する送信電力制御方式
において、制御されるべき送信機出力レベルと実際の送
信機出力レベルとを比較して比較結果を出力する手段
と、送信機の出力レベルを制御している時間を監視する
手段と、前記比較結果又は制御時間が夫々設定された値
を越えたときに送信機出力レベルを最低レベルに低下さ
せる手段を備えることを特徴とする送信電力制御方式。1. A transmission power control method for detecting a reception input level and controlling an output level of a transmitter according to the detection result, by comparing a transmitter output level to be controlled with an actual transmitter output level. A means for outputting the comparison result, a means for monitoring the time for controlling the output level of the transmitter, and a transmitter output level to the minimum level when the comparison result or the control time exceeds the set value, respectively. A transmission power control method comprising means for lowering the transmission power.
し、現用回線の受信入力レベルを検出し、その検出結果
情報により送信機の出力レベルを制御する送信電力制御
方式において、制御されるべき送信機出力レベルと実際
の送信機出力レベルとを比較して比較結果を出力する手
段と、この比較結果がある設定した値を越えた場合、若
しくは送信機の出力レベルを制御している時間がある設
定した値を越えた場合に送信出力レベルを低下させる手
段と、回線切替制御情報を受信側へ転送する手段と、転
送された回線切替制御情報を検出し予備への回線切替を
行う手段と、回線切替を行った後に回線切替後切替完了
情報を出力する手段と、回線切替完了情報により送信機
出力レベルを最低レベルに低下させる手段とを有するこ
とを特徴とする送信電力制御方式。2. A transmission power control method, which has a switching structure for a working line and a protection line, detects a received input level of a working line, and controls an output level of a transmitter based on the detection result information. Means to compare the transmitter output level with the actual transmitter output level and output the comparison result, and if this comparison result exceeds a certain set value, or the time when the transmitter output level is controlled A means for lowering the transmission output level when a certain set value is exceeded, a means for transferring the line switching control information to the receiving side, and a means for detecting the transferred line switching control information and performing a line switching to the backup. , A means for outputting the switching completion information after switching the line after switching the line and a means for lowering the transmitter output level to the minimum level by the switching completion information. Force control method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3313775A JP2953153B2 (en) | 1991-10-31 | 1991-10-31 | Transmission power control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3313775A JP2953153B2 (en) | 1991-10-31 | 1991-10-31 | Transmission power control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05129969A true JPH05129969A (en) | 1993-05-25 |
| JP2953153B2 JP2953153B2 (en) | 1999-09-27 |
Family
ID=18045375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3313775A Expired - Fee Related JP2953153B2 (en) | 1991-10-31 | 1991-10-31 | Transmission power control method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2953153B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000252916A (en) * | 1999-02-26 | 2000-09-14 | Toshiba Corp | Radio telephone device |
| WO2003098949A1 (en) * | 2002-05-17 | 2003-11-27 | Nec Corporation | Method for preventing erroneous detection of transmission output level error in a radio base station device and radio base station device |
| US7706332B2 (en) | 1995-06-30 | 2010-04-27 | Interdigital Technology Corporation | Method and subscriber unit for performing power control |
| US7756190B2 (en) | 1995-06-30 | 2010-07-13 | Interdigital Technology Corporation | Transferring voice and non-voice data |
| US7903613B2 (en) | 1995-06-30 | 2011-03-08 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
-
1991
- 1991-10-31 JP JP3313775A patent/JP2953153B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7706332B2 (en) | 1995-06-30 | 2010-04-27 | Interdigital Technology Corporation | Method and subscriber unit for performing power control |
| US7756190B2 (en) | 1995-06-30 | 2010-07-13 | Interdigital Technology Corporation | Transferring voice and non-voice data |
| US7903613B2 (en) | 1995-06-30 | 2011-03-08 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
| US8737363B2 (en) | 1995-06-30 | 2014-05-27 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
| US9564963B2 (en) | 1995-06-30 | 2017-02-07 | Interdigital Technology Corporation | Automatic power control system for a code division multiple access (CDMA) communications system |
| JP2000252916A (en) * | 1999-02-26 | 2000-09-14 | Toshiba Corp | Radio telephone device |
| WO2003098949A1 (en) * | 2002-05-17 | 2003-11-27 | Nec Corporation | Method for preventing erroneous detection of transmission output level error in a radio base station device and radio base station device |
| CN1328921C (en) * | 2002-05-17 | 2007-07-25 | 日本电气株式会社 | Method for preventing erroneous detection of transmission output level error in a radio base station device and radio base station device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2953153B2 (en) | 1999-09-27 |
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