JPS6143026A - System for controlling and transmitting received electric field - Google Patents
System for controlling and transmitting received electric fieldInfo
- Publication number
- JPS6143026A JPS6143026A JP59163898A JP16389884A JPS6143026A JP S6143026 A JPS6143026 A JP S6143026A JP 59163898 A JP59163898 A JP 59163898A JP 16389884 A JP16389884 A JP 16389884A JP S6143026 A JPS6143026 A JP S6143026A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- reception level
- power
- amplifier circuit
- reception
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
Abstract
Description
【発明の詳細な説明】
〔−産業上の利用分野） 、、 １． 、
、、、 、、、、、。[Detailed description of the invention] [-Industrial application field] 1. ,
,,, ,,,,,.
６ゝ。6ゝ.
本発明は、自動車電話あるい・は、携帯電話等の移動通
信方式における・無線送′信槻の制御に関するものであ
る。 ・〔従来の技術〕
゛・
従来、移動通信力・式・に・おける固定局あるいは移動
局の無線送信機は・・、そめ送信・電力を固定的・なも
のとしている、そして、その電力値は移動局゛がサー′
・ビ″スエリアの゛遠端にあるときでも、通・信も壕に
支障９Ｆ生゛じないよう・充分な余裕を持っで定゛めで
い□る゛のが普通・である。 ′小
形の送受信機においては°、電源の消費電力は送信電Ｓ
力によう・て左右されるが従・米の送受信機゛に・お”
いてば送信電力が常に一定であるから電パ源のｔ＊＊′
電力も通信する局間の距離や電波の伝゛播条件゛に関係
なく〒：定、であり、携帯用移動機篭の電を源と・して
用いる乾電池や蓄電池の容量も、１・これらの条件を前
提に使用時の送信時間等を勘案して決められていた。The present invention relates to the control of a wireless transmitter in a mobile communication system such as a car phone or a mobile phone.・[Conventional technology]
゛- Conventionally, in mobile communication systems, fixed station or mobile station radio transmitters have fixed transmission power, and the power value is determined by the mobile station's service. ′
・Even when located at the far end of the business area, it is normal to be able to set it up with sufficient margin so that communication does not interfere with the trench. In the transmitter/receiver, the power consumption of the power supply is the transmission power S
Depending on the power, the transmitter/receiver of the slave/US
If the transmission power is always constant, the power supply's t**'
Electric power is also constant regardless of the distance between communicating stations or radio wave propagation conditions, and the capacity of dry batteries and storage batteries used as power sources for portable mobile device cages is also 1. It was decided based on the following conditions and taking into account the transmission time etc. during use.
移動通信゛方”式において、例えば移動局が基地局に近
付いたよ、うなどきには、当然のことながらその送信電
力が充分小さくても通信を行なうことが可能でｂる。・
・また実際あ使用状態においてサ
ービスエリア・め遠ｊＩ普悪。条件下での使用は極（僅
かで、一般。In the mobile communication system, for example, when a mobile station approaches a base station, it is naturally possible to communicate even if the transmission power is sufficiently low.-
・Also, the service area is far from normal in actual usage conditions. Use under very few conditions (slight and common).
的には装置の定格である送信電力以下で充分通信が可能
、なことが多い□、にもかかわらず、従来。In many cases, sufficient communication is possible with less than the rated transmission power of the device, but in the past.
は送信電力を固定的に定めていたので、電力の損失が多
（、携帯用移動機などで乾電池や蓄電池を電源に用いる
場合には、その使用可能時間が制約を受けたり、または
、大容量の電池を使用する結果となって装置の小形化が
困難であるというような問題点があった。Because the transmission power was fixed, there was a lot of power loss (When dry batteries or storage batteries are used as a power source in portable mobile devices, their usable time is limited, or if they have a large capacity) However, as a result, it is difficult to downsize the device.
本発明は、これら従来の問題点に鑑み、移動機と基地局
等との距離や電波の伝播条件により受信レベルが変化し
たと鯵、これに対応させて受信レベルが高ければ送信電
力を小に、また、受信”レベルが低ければ送信電力を大
になるごと（送信側出力を制御するもので、性能を低下
させることなく送受信機の電力消費を低減せしめること
を目的としており、更に乾電池や蓄電池などを電源とす
る携帯用移動機の場合については使用可能時間が長（、
より小形な装置の提供を可能ならしめることを目的とし
ている。In view of these conventional problems, the present invention takes into account that the reception level changes depending on the distance between the mobile device and the base station, etc. and the radio wave propagation conditions, and reduces the transmission power if the reception level is high. In addition, if the reception level is low, the transmission power increases (it controls the output of the transmission side, and the purpose is to reduce the power consumption of the transmitter and receiver without degrading the performance. In the case of portable mobile devices powered by
The purpose is to make it possible to provide a more compact device.
以下、本発明の構成等に関し実施例の図面に基づいて説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be explained below based on drawings of embodiments.
第１図は本発明の１実施例を示すブロック図であって、
１は空中線、２は送受信空中線共用器、３は高周波増幅
回路、４．は周波数変換回路、５は受信局部発振回路、
６は中間周波増幅回路、７は復調回路、８は低周波増幅
回路、９は信号□出力端子、１１は信号入力端子、１２
は発振変調回路、１３は逓倍増幅回路、１４は緩衝増幅
回路、１５は送信電力増幅回路、２１は受信レベル検出
回路、２２は制御電圧発生回路、２３は終段入力制御回
路を表ｉしでいる。FIG. 1 is a block diagram showing one embodiment of the present invention,
1 is an antenna, 2 is a transmitting/receiving antenna duplexer, 3 is a high frequency amplification circuit, 4. is a frequency conversion circuit, 5 is a receiving local oscillation circuit,
6 is an intermediate frequency amplification circuit, 7 is a demodulation circuit, 8 is a low frequency amplification circuit, 9 is a signal output terminal, 11 is a signal input terminal, 12
13 is an oscillation modulation circuit, 13 is a multiplication amplifier circuit, 14 is a buffer amplifier circuit, 15 is a transmission power amplifier circuit, 21 is a reception level detection circuit, 22 is a control voltage generation circuit, and 23 is a final stage input control circuit. There is.
第１図において、空中線１から入力された相手局の電波
は、高周波増幅回路３、周波数変換回路４、中間″周波
増幅回路６等からなる系によって受信され、一方、発振
変調回路１２、逓倍゛増幅回路１３、緩衝増幅回路１４
、電力増幅回路１５等よりなる系によって相手局に対す
る送信が行なわれる。そして受信系の中間周波増幅回路
６に接続された受信レベル検出回路２１によって受信中
の信号の受信レベル値が抽出され。In FIG. 1, radio waves from the other station inputted from an antenna 1 are received by a system consisting of a high frequency amplification circuit 3, a frequency conversion circuit 4, an intermediate frequency amplification circuit 6, etc., while an oscillation modulation circuit 12, a multiplication Amplification circuit 13, buffer amplifier circuit 14
, a power amplifier circuit 15, and the like, transmission to the other station is performed. Then, the reception level value of the signal being received is extracted by the reception level detection circuit 21 connected to the intermediate frequency amplification circuit 6 of the reception system.
て制御電圧発生回路２２に与えられる。＊ｉＩ御電圧電
圧発生回路２２、該受信レベル値を基に受信レベル値と
一定の関係を有する制御用の直流電圧を作り出して、送
信系の終段入、力制御回路２３に対して出力する０、′
・終段入力制御回路２３・は該直流電圧に
よつで回路の減衰量を変化させることにより送信電力増
幅回路１５の入力を変化させて、送゛信１出力を制御す
る。そして、この制御は前記受信レベル値が低いときは
送信出力が大に、また受信レベル値が高いと外は送信出
力が小になるように行なわれる。and is applied to the control voltage generation circuit 22. *iI control voltage The voltage generation circuit 22 generates a control DC voltage having a certain relationship with the reception level value based on the reception level value, and outputs it to the final stage input of the transmission system and the power control circuit 23. 0,'
The final stage input control circuit 23 changes the input of the transmission power amplifier circuit 15 by changing the amount of attenuation of the circuit according to the DC voltage, thereby controlling the transmission 1 output. This control is performed so that when the reception level value is low, the transmission output is large, and when the reception level value is high, the transmission output is otherwise small.
これによって、受信レベル値が高いとさく通□信中の局
相互間の距離が近いとき等）には送信電力が小となって
、電源電力の浪費を防止することができる。As a result, when the reception level value is high (such as when the stations communicating are close to each other), the transmission power is reduced, making it possible to prevent waste of power supply power.
第２図は本発明の他の実施例を示すブロック図であって
、１〜９．１ｌ−＝１５．２１．２２ １は第１図と同
様であり、２４は送信電力増幅度制御回路を表わしてい
る。 ６、゛本例では制御電圧発生回路２２の
出・力、を受けた送信電力増幅度制御回路２４が送信電
力増幅回路１５め増幅度を制御するための直流電圧を生
成して、これにより直接送信電力増幅回路１５を制御し
ている。FIG. 2 is a block diagram showing another embodiment of the present invention, in which 1 to 9.1l-=15.21.22 1 is the same as in FIG. 1, and 24 is a transmission power amplification control circuit. It represents. 6. In this example, the transmission power amplification control circuit 24 that receives the output of the control voltage generation circuit 22 generates a DC voltage for controlling the amplification of the transmission power amplification circuit 15. It controls the transmission power amplification circuit 15.
以上説明したように、本発明は受信電界を検知して送信
電力を安定な通信を維持出来る最低限の状態に制御して
いるので、電源部の電力消費゛量を低減できるから、移
動機などで乾電池や蓄電′池を電源として用いるｗＡ線
装置の場合、従来に比して使用可能時間を大幅に増加さ
せることがで忌る利点を有し、まｌこ使用可能時開を従
来程度に据え置くならば、電源を従来上り容量の小さい
電池響によることが可能となるから、より小形の装置を
設計する巳とができる利点を有する。As explained above, the present invention detects the received electric field and controls the transmitting power to the minimum state that maintains stable communication, so the power consumption of the power supply section can be reduced. In the case of a WA line device that uses dry batteries or storage batteries as a power source, it has the advantage of significantly increasing the usable time compared to the conventional method, and the opening time when the valve can be used can be reduced to the conventional level. If it is left as is, the power source can be a conventional battery with a small capacity, which has the advantage of allowing a smaller device to be designed.
第１図は本発明の１実施例を示すブロック図、第２図は
本発明の他の実施例を示すブロック図である。
１・・・・・・空中線、２・・・・・・送受信空中線共
用器、３・・・・・・高周波増幅回路、４・・・・・・
周波数変換回路、５・・・・・・受信局部発振回路、６
・・・・・・中間周波増幅回路、７・・・・・・復調回
路、８・・・・・・低周波増幅回路、９・・・・・・信
号出力端子、１１・・・・・・信号入力端子、１２・・
・・・・発振変調回路、１３・・・・・・逓倍増幅回路
、１４・・・・・・緩−増幅回路、１５・・・・・・送
信電力増幅回路、２１・・・・・・受信レベル検出回路
、２２・・・・・・制御電圧発生回路、２３・・・・・
・終段入力制御回路、２４・・・・・・送信電力増幅度
制御回路代理人 弁理士 本 間 崇・）
罵１図
ＶＩ２ 図FIG. 1 is a block diagram showing one embodiment of the invention, and FIG. 2 is a block diagram showing another embodiment of the invention. 1... Antenna, 2... Transmitting/receiving antenna duplexer, 3... High frequency amplification circuit, 4...
Frequency conversion circuit, 5... Receiving local oscillation circuit, 6
......Intermediate frequency amplification circuit, 7...Demodulation circuit, 8...Low frequency amplification circuit, 9...Signal output terminal, 11...・Signal input terminal, 12...
...Oscillation modulation circuit, 13 ... Multiplication amplifier circuit, 14 ... Loose amplification circuit, 15 ... Transmission power amplifier circuit, 21 ... Reception level detection circuit, 22... Control voltage generation circuit, 23...
・Final stage input control circuit, 24...Transmission power amplification control circuit Agent Patent attorney Takashi Honma) Figure 1 VI2 Figure
Claims (1)
機において、受信レベルを測定して該受信レベルの値に
応じて送信電力を増減する手段を設け、受信レベルが低
いときは送信電力を大に受信レベルが高いときは送信電
力を小なるごとく制御することを特徴とする受信電界制
御送信方式。In the wireless transceiver of a fixed station or mobile station in a mobile communication system, a means is provided to measure the reception level and increase or decrease the transmission power according to the value of the reception level, and when the reception level is low, the transmission power is increased. A received electric field control transmission method that is characterized by controlling the transmission power in small steps when the level is high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59163898A JPS6143026A (en) | 1984-08-06 | 1984-08-06 | System for controlling and transmitting received electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59163898A JPS6143026A (en) | 1984-08-06 | 1984-08-06 | System for controlling and transmitting received electric field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6143026A true JPS6143026A (en) | 1986-03-01 |
Family
ID=15782906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59163898A Pending JPS6143026A (en) | 1984-08-06 | 1984-08-06 | System for controlling and transmitting received electric field |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6143026A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63121328A (en) * | 1986-11-11 | 1988-05-25 | Sanyo Electric Co Ltd | Transmission power controller for cordless telephone set |
| FR2614158A1 (en) * | 1987-04-16 | 1988-10-21 | Setsys | Radio telephone, especially portable |
| JPS6416149A (en) * | 1987-07-10 | 1989-01-19 | Fujitsu Ltd | Transmission power control system |
| JPH0323725A (en) * | 1989-06-20 | 1991-01-31 | Matsushita Electric Ind Co Ltd | Mobile radio communication equipment |
| JPH04501995A (en) * | 1988-11-21 | 1992-04-09 | メットカーフ，ダレル ジェイ． | Computer diskette dispenser and storage device |
| JPH06311194A (en) * | 1993-04-21 | 1994-11-04 | Nec Corp | Circuit for compensating distortion of multivalue quadrature amplitude modulated wave |
| EP0836287A2 (en) * | 1996-10-08 | 1998-04-15 | Nec Corporation | Mobile communication system with transmission power control |
| US5943610A (en) * | 1996-04-05 | 1999-08-24 | Nec Corporation | Transmission power control with dynamic step values |
| KR100341069B1 (en) * | 1993-05-14 | 2002-11-13 | 텔레폰아크티에볼라게트 엘엠 에릭슨 | Dynamic control of transmitting power at a transmitter and attenuation at a receiver |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797240A (en) * | 1980-12-08 | 1982-06-16 | Nec Corp | Radio equipment for simultaneous transmission and reception |
-
1984
- 1984-08-06 JP JP59163898A patent/JPS6143026A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797240A (en) * | 1980-12-08 | 1982-06-16 | Nec Corp | Radio equipment for simultaneous transmission and reception |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63121328A (en) * | 1986-11-11 | 1988-05-25 | Sanyo Electric Co Ltd | Transmission power controller for cordless telephone set |
| FR2614158A1 (en) * | 1987-04-16 | 1988-10-21 | Setsys | Radio telephone, especially portable |
| JPS6416149A (en) * | 1987-07-10 | 1989-01-19 | Fujitsu Ltd | Transmission power control system |
| JPH04501995A (en) * | 1988-11-21 | 1992-04-09 | メットカーフ，ダレル ジェイ． | Computer diskette dispenser and storage device |
| JPH0323725A (en) * | 1989-06-20 | 1991-01-31 | Matsushita Electric Ind Co Ltd | Mobile radio communication equipment |
| JPH06311194A (en) * | 1993-04-21 | 1994-11-04 | Nec Corp | Circuit for compensating distortion of multivalue quadrature amplitude modulated wave |
| KR100341069B1 (en) * | 1993-05-14 | 2002-11-13 | 텔레폰아크티에볼라게트 엘엠 에릭슨 | Dynamic control of transmitting power at a transmitter and attenuation at a receiver |
| US5943610A (en) * | 1996-04-05 | 1999-08-24 | Nec Corporation | Transmission power control with dynamic step values |
| EP0836287A2 (en) * | 1996-10-08 | 1998-04-15 | Nec Corporation | Mobile communication system with transmission power control |
| EP0836287A3 (en) * | 1996-10-08 | 2002-06-12 | Nec Corporation | Mobile communication system with transmission power control |
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