JP4616266B2 - 移動端末における自動電力制御の基準信号の追加的な調整 - Google Patents
移動端末における自動電力制御の基準信号の追加的な調整 Download PDFInfo
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- JP4616266B2 JP4616266B2 JP2006535961A JP2006535961A JP4616266B2 JP 4616266 B2 JP4616266 B2 JP 4616266B2 JP 2006535961 A JP2006535961 A JP 2006535961A JP 2006535961 A JP2006535961 A JP 2006535961A JP 4616266 B2 JP4616266 B2 JP 4616266B2
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- 238000000034 method Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 19
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- 238000004891 communication Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010606 normalization Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
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- 238000000926 separation method Methods 0.000 claims 1
- 241001125929 Trisopterus luscus Species 0.000 description 18
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
i(t)は、時間領域におけるxLP(t)の同相(I)成分を示す。
Claims (9)
- 可変利得電力増幅器(105)の出力ポートにおいて送信対象の信号(χ(t))の出力電力レベル(Pout)を制御する電力制御回路(101M+N)であって、
前記出力電力(Pout)についての公称電力レベル(Pref)を表す基準信号(Vref)を入力するための第1の入力ポートと、可変利得電力増幅器(105)の電源供給ラインに配置された電流センサ(204)からの信号を入力するための第2の入力ポートを含む集積化された比較器段(112”)を有する電力検出ループ(101M)を備え、
前記比較器段(112”)の出力信号は前記可変利得電力増幅器(105)の電力制御信号の入力ポートへと供給されるようになっており、
さらに、前記電力制御回路(101M+N)は、
送信対象の信号(χ(t))に係る反射波を表すフィードバック信号(VPD)の電力を検出する電力検出手段(108)と、
前記可変利得電力増幅器(105)に対して送信アンテナが不整合である場合に、前記送信対象の信号(χ(t))の放射電力(Pout)を増加させるために、前記フィードバック信号(VPD)と基準ランプ信号(Vramp)とから導出される前記基準信号(Vref)を前記比較器段(112“)の前記第1の入力ポートへ供給するためのフィードバックループ(101)と
を含むことを特徴とする電力制御回路。 - 信号処理手段をさらに含み、
前記信号処理手段は、
前記フィードバック信号(VPD)を処理して得られた信号(K・GOP・VPD)と前記基準ランプ信号(Vramp)とを乗算する乗算器(301b)と、
前記基準信号(Vref)によって規制するために、前記乗算器(301b)からの出力信号(Vramp・K・GOP・VPD)と前記基準ランプ信号とを加算する加算器(301a)と
を含むことを特徴とする請求項1に記載の電力制御回路。 - デジタル信号処理手段(201C)をさらに含み、
前記デジタル信号処理手段は、
利得係数制御回路(301c)によって供給される利得係数(χ:=1+K・GOP・VPD。ここで、Kは、正規化因子(V-1)であり、Gopは、前記フィードバックループ(101N)内に設けられたオペアンプ(303)の利得係数である。)と前記基準ランプ信号(Vramp)とを乗算する乗算素子(301b’)を含むことを特徴とする請求項1に記載の電力制御回路。 - 前記可変利得増幅器(105)の前記出力ポートにおいて、フィードバック信号(VPD)を供給する分離手段(106)をさらに含むことを特徴とする請求項1ないし3の何れかに記載の電力制御回路。
- 前記分離手段(106)は、方向性結合器(106’)またはサーキュレータ(106”)であることを特徴とする請求項4に記載の電力制御回路。
- 可変利得電力増幅器(105)の出力ポートにおける送信対象の信号(χ(t))の出力電力レベル(Pout)を安定化させる方法であって、
送信対象の信号(χ(t))に係る反射波を表すフィードバック信号の電圧レベル(VPD)を検出するステップ(S1)と、
前記フィードバック信号(VPD)と基準ランプ信号(Vramp)との関数として、前記出力信号(χ(t))の出力電力(Pout)についての公称電力レベル(Pref)を表す基準信号(Vref)を算出するステップ(S1A)と、
算出された前記基準信号(Vref)を、電力検出ループのフィードバックチェーン内に設けられた比較器段(112“)の第1の入力ポートへ供給するステップ(S2)と、
前記可変利得電力増幅器(105)の供給電流(IPA)に応じた電圧降下(U RM )を表す信号を前記比較器段(112”)の第2の入力ポートへと供給するステップ(S4)と、
算出された前記基準信号(Vref)の電圧レベルと、前記電圧降下(URM)の値から導出される信号の電圧レベルとを比較するステップ(S5)と、
前記電圧降下(URM)の値から導出された前記信号と前記基準信号(Vref)との差分に応じた信号を前記可変利得電力増幅器(105)の第1の入力ポートへと供給するステップ(S6)と、
前記可変利得電力増幅器(105)の第2の入力ポートにおいて、増幅される前の前記送信対象の信号(χ(t))と前記比較器段(112”)の出力信号との差分を増幅することによって現在の電力レベル(Pout)を調整するステップ(S7)と
を含むことを特徴とする方法。 - 前記基準信号(Vref)を算出するステップ(S1A)は、
前記フィードバック信号(VPD)を処理して得られた信号(K・GOP・VPD)と前記基準ランプ信号(Vramp)とを乗算するステップ(S1a’)と、
前記乗算するステップ(S1a’)において得られた出力信号(Vramp・K・GOP・VPD)と前記基準ランプ信号とを加算することで前記基準信号(Vref)によって規制するステップ(S1a”)と
を含むことを特徴とする請求項6に記載の方法。 - 前記基準信号(Vref)を算出するステップ(S1A)は、
利得係数制御回路(301c)によって供給される利得係数(χ:=1+K・GOP・VPD。ここで、Kは、正規化因子(V-1)であり、Gopは、前記フィードバックループ(101N)内に設けられたオペアンプ(303)の利得係数である。)と前記基準ランプ信号(Vramp)とを乗算することで前記基準信号(Vref)によって規制するステップ(S1b)を含むことを特徴とする請求項6に記載の方法。 - 無線通信装置であって、
請求項1ないし5の何れかに記載の電力制御回路(101M+N)を含む移動体RF送信機(300a、300b、300c)を含むことを特徴とする無線通信装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03024457A EP1526651B1 (en) | 2003-10-23 | 2003-10-23 | Additional regulation of the reference signal of the automatic power control in a mobile terminal |
PCT/EP2004/010031 WO2005041438A1 (en) | 2003-10-23 | 2004-09-08 | Additional regulation of the reference signal of the automatic power control in a mobile terminal |
Publications (2)
Publication Number | Publication Date |
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JP2007509546A JP2007509546A (ja) | 2007-04-12 |
JP4616266B2 true JP4616266B2 (ja) | 2011-01-19 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006535961A Expired - Fee Related JP4616266B2 (ja) | 2003-10-23 | 2004-09-08 | 移動端末における自動電力制御の基準信号の追加的な調整 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7650122B2 (ja) |
EP (1) | EP1526651B1 (ja) |
JP (1) | JP4616266B2 (ja) |
KR (1) | KR101069052B1 (ja) |
CN (1) | CN1871791B (ja) |
AT (1) | ATE327601T1 (ja) |
DE (1) | DE60305505T2 (ja) |
WO (1) | WO2005041438A1 (ja) |
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2003
- 2003-10-23 EP EP03024457A patent/EP1526651B1/en not_active Expired - Lifetime
- 2003-10-23 DE DE60305505T patent/DE60305505T2/de not_active Expired - Lifetime
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- 2004-09-08 JP JP2006535961A patent/JP4616266B2/ja not_active Expired - Fee Related
- 2004-09-08 CN CN2004800312559A patent/CN1871791B/zh not_active Expired - Fee Related
- 2004-09-08 WO PCT/EP2004/010031 patent/WO2005041438A1/en active Application Filing
- 2004-09-08 KR KR1020067007769A patent/KR101069052B1/ko not_active IP Right Cessation
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Publication number | Publication date |
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CN1871791A (zh) | 2006-11-29 |
KR20060093719A (ko) | 2006-08-25 |
US20070153937A1 (en) | 2007-07-05 |
US20100081402A1 (en) | 2010-04-01 |
US7873334B2 (en) | 2011-01-18 |
DE60305505T2 (de) | 2007-04-26 |
KR101069052B1 (ko) | 2011-09-29 |
EP1526651A1 (en) | 2005-04-27 |
CN1871791B (zh) | 2010-05-12 |
ATE327601T1 (de) | 2006-06-15 |
JP2007509546A (ja) | 2007-04-12 |
DE60305505D1 (de) | 2006-06-29 |
EP1526651B1 (en) | 2006-05-24 |
WO2005041438A1 (en) | 2005-05-06 |
US7650122B2 (en) | 2010-01-19 |
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