JP2005210460A5 - - Google Patents
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- JP2005210460A5 JP2005210460A5 JP2004015295A JP2004015295A JP2005210460A5 JP 2005210460 A5 JP2005210460 A5 JP 2005210460A5 JP 2004015295 A JP2004015295 A JP 2004015295A JP 2004015295 A JP2004015295 A JP 2004015295A JP 2005210460 A5 JP2005210460 A5 JP 2005210460A5
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- JP
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- signal
- gsm
- circuit unit
- wcdma
- band
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Claims (10)
ＷＣＤＭＡ方式のバンド１の受信信号をＩ、Ｑ信号に変換する第１の受信回路部と、
ＷＣＤＭＡ方式のバンド２とＧＳＭ方式のＰＣＳ帯の受信信号をＩ、Ｑ信号に変換する第２の受信回路部と、
ＷＣＤＭＡ方式のバンド３とＧＳＭ方式のＤＣＳ帯の受信信号をＩ、Ｑ信号に変換する第３の受信回路部と、
ＷＣＤＭＡ方式の受信Ｉ、Ｑ信号に含まれる妨害成分を抑圧するための第１のバックエンド回路部と、
ＧＳＭ方式の受信Ｉ、Ｑ信号に含まれる妨害成分を抑圧するための第２のバックエンド回路部と、
ＷＣＤＭＡ方式の信号送受信時には、上記第１、第２、第３の受信回路部の何れかが出力するＩ、Ｑ信号を上記第１のバックエンド回路部に入力し、ＧＳＭ方式の信号受信時には、上記第２、第３の受信回路部の何れかが出力するＩ、Ｑ信号を上記第２のバックエンド回路部に入力するためのスイッチ部とを備えたことを特徴とするマルチモード型無線通信回路。 In a multi-mode wireless communication circuit capable of selectively communicating in a plurality of frequency bands of WCDMA and GSM,
A first receiving circuit unit for converting a WCDMA band 1 received signal into I and Q signals;
A second receiving circuit unit for converting WCDMA band 2 and GSM PCS band received signals into I and Q signals;
A third receiving circuit unit for converting WCDMA band 3 and GSM DCS band received signals into I and Q signals;
A first back-end circuit unit for suppressing interference components included in WCDMA reception I and Q signals;
A second back-end circuit unit for suppressing interference components included in GSM reception I and Q signals;
At the time of WCDMA signal transmission / reception, the I, Q signals output from any of the first, second, and third reception circuit units are input to the first back-end circuit unit, and at the time of GSM signal reception, And a switch unit for inputting the I and Q signals output from either the second or third receiving circuit unit to the second back-end circuit unit. circuit.
ＷＣＤＭＡ方式のバンド１の受信信号をＩ、Ｑ信号に変換する第１の受信回路部と、
ＷＣＤＭＡ方式のバンド２とＧＳＭ方式のＰＣＳ帯の受信信号をＩ、Ｑ信号に変換する第２の受信回路部と、
ＷＣＤＭＡ方式のバンド３とＧＳＭ方式のＤＣＳ帯の受信信号をＩ、Ｑ信号に変換する第３の受信回路部と、
ＷＣＤＭＡ方式の信号受信時とＧＳＭ方式の信号受信時で特性変更が可変なチャネルフィルタとハイパスフィルタとを備えたバックエンド回路部と、
ＷＣＤＭＡ方式の信号送受信時には、上記第１、第２、第３の受信回路部の何れかが出力するＩ、Ｑ信号を上記バックエンド回路部に入力し、ＧＳＭ方式の信号受信時には、上記第２、第３の受信回路部の何れかが出力するＩ、Ｑ信号を上記バックエンド回路部に入力するためのスイッチ部とを備えたことを特徴とするマルチモード型無線通信回路。 In a multi-mode wireless communication circuit capable of selectively communicating in a plurality of frequency bands of WCDMA and GSM,
A first receiving circuit unit for converting a WCDMA band 1 received signal into I and Q signals;
A second receiving circuit unit for converting WCDMA band 2 and GSM PCS band received signals into I and Q signals;
A third receiving circuit unit for converting WCDMA band 3 and GSM DCS band received signals into I and Q signals;
A back-end circuit unit including a channel filter and a high-pass filter whose characteristics can be changed when receiving a WCDMA signal and a GSM signal;
At the time of WCDMA signal transmission / reception, the I and Q signals output from any of the first, second, and third reception circuit units are input to the back-end circuit unit, and at the time of GSM signal reception, the second And a switch unit for inputting the I and Q signals output from any of the third receiving circuit units to the back-end circuit unit.
前記スイッチ部が、ＧＳＭ方式の信号受信時には、前記第２、第３の受信回路部と上記第４の受信回路部の何れかが出力するＩ、Ｑ信号を前記第２のバックエンド回路部に入力することを特徴とする請求項１に記載のマルチモード型無線通信回路。 A fourth receiving circuit unit for converting a GSM GSM band received signal into I and Q signals;
When the GSM system signal is received by the switch unit, the I and Q signals output from any of the second and third reception circuit units and the fourth reception circuit unit are output to the second back-end circuit unit. The multimode wireless communication circuit according to claim 1, wherein the multimode wireless communication circuit is input.
前記スイッチ部が、ＧＳＭ方式の信号受信時には、前記第２、第３の受信回路部と上記第４の受信回路部の何れかが出力するＩ、Ｑ信号を前記バックエンド回路部に入力することを特徴とする請求項２に記載のマルチモード型無線通信回路。 A fourth receiving circuit unit for converting a GSM GSM band received signal into I and Q signals;
When the GSM system signal is received by the switch unit, the I and Q signals output from any of the second and third reception circuit units and the fourth reception circuit unit are input to the back-end circuit unit. The multi-mode wireless communication circuit according to claim 2.
それぞれ上記送信回路部からの出力信号をＷＣＤＭＡ方式のバンド１の送信信号、ＷＣＤＭＡ方式のバンド２とＧＳＭ方式のＰＣＳ帯の送信信号、ＷＣＤＭＡ方式のバンド３とＧＳＭ方式のＤＣＳ帯の送信信号、ＧＳＭ方式のＧＳＭ帯の送信信号に変換するための第１〜第４のパワー増幅器とを備えたことを特徴とする請求項５に記載のマルチモード型無線通信回路。 A transmission circuit unit for amplifying GSM and WCDMA transmission I and Q signals and orthogonally transforming them into signals in a frequency band designated by the control unit;
The output signal from the transmission circuit unit is a WCDMA band 1 transmission signal, a WCDMA band 2 and a GSM PCS band transmission signal, a WCDMA band 3 and a GSM DCS band transmission signal, GSM, respectively. 6. The multi-mode wireless communication circuit according to claim 5, further comprising first to fourth power amplifiers for converting into a GSM band transmission signal.
無線受信信号からＷＣＤＭＡ方式のバンド２とＧＳＭ方式のＰＣＳ帯の信号を選択的に受信し、前記第２の受信回路部に供給する第２のマッチング回路部と、
無線受信信号からＷＣＤＭＡ方式のバンド３とＧＳＭ方式のＤＣＳ帯の信号を選択的に受信し、前記第３の受信回路部に供給する第３のマッチング回路部と、
無線受信信号からＧＳＭ方式のＧＳＭ帯の信号を選択的に受信し、前記第４の受信回路部に供給する第４のマッチング回路部と、
前記制御部からの制御信号に応じて、上記第１〜第４のマッチング回路部と第１〜第４のパワー増幅器をアンテナに選択的に結合するためのスイッチ群を備えたことを特徴とする請求項６に記載のマルチモード型無線通信回路。 A first matching circuit unit that selectively receives a WCDMA band 1 signal from a radio reception signal and supplies the signal to the first receiving circuit unit;
A second matching circuit unit that selectively receives a signal of a WCDMA band 2 and a GSM PCS band from a radio reception signal and supplies the signal to the second receiving circuit unit;
A third matching circuit unit that selectively receives a signal of a WCDMA band 3 and a GSM DCS band from a radio reception signal and supplies the signal to the third reception circuit unit;
A fourth matching circuit unit that selectively receives a GSM GSM band signal from a radio reception signal and supplies the signal to the fourth reception circuit unit;
In accordance with a control signal from the control unit, a switch group for selectively coupling the first to fourth matching circuit units and the first to fourth power amplifiers to an antenna is provided. The multi-mode wireless communication circuit according to claim 6.
アンテナからの無線受信信号を前記第２のマッチング回路部に分岐すると共に、前記第２のパワー増幅器から出力されたＷＣＤＭＡ方式のバンド２の送信信号を上記アンテナに出力するための第２のデュプレクサと、
アンテナからの無線受信信号を前記第３のマッチング回路部に分岐すると共に、前記第３のパワー増幅器から出力されたＷＣＤＭＡ方式のバンド３の送信信号を上記アンテナに出力するための第３のデュプレクサとを備え、
前記スイッチ群が、前記制御部からの制御信号に応じて、ＷＣＤＭＡ方式の信号送受信時には、上記第１〜第３のデュプレクサの何れかを上記アンテナに結合し、ＧＳＭ方式の信号送信期間には、上記第１〜第４のパワー増幅器の何れかの出力信号を上記アンテナに選択的に出力し、ＧＳＭ方式の信号受信期間には、上記アンテナからの無線受信信号を上記第２、第３のデュプレクサを経由することなく前記第２、第３または第４のマッチング回路部の何れかに選択的に供給することを特徴とする請求項７に記載のマルチモード型無線通信回路。 A first duplexer for branching a radio reception signal from an antenna to the first matching circuit unit and outputting a WCDMA band 1 transmission signal output from the first power amplifier to the antenna; ,
A second duplexer for branching a radio reception signal from an antenna to the second matching circuit unit and outputting a WCDMA band 2 transmission signal output from the second power amplifier to the antenna; ,
A third duplexer for branching a radio reception signal from an antenna to the third matching circuit unit, and outputting a WCDMA band 3 transmission signal output from the third power amplifier to the antenna; With
In response to a control signal from the control unit, the switch group couples any of the first to third duplexers to the antenna at the time of WCDMA signal transmission / reception, and during a GSM signal transmission period, An output signal of any of the first to fourth power amplifiers is selectively output to the antenna, and a radio reception signal from the antenna is transmitted to the second and third duplexers during a GSM signal reception period. The multi-mode wireless communication circuit according to claim 7, wherein the multi-mode wireless communication circuit is selectively supplied to any one of the second, third, and fourth matching circuit units without going through the network.
ＷＣＤＭＡ方式とＧＳＭ方式で共通のバックエンド回路を用い、ＷＣＤＭＡ方式とＧＳＭ方式とで上記バックエンド回路のチャネルフィルタの帯域幅を切り換えることを特徴とするマルチモード型無線通信回路。A multi-mode wireless communication circuit using a common back-end circuit for the WCDMA system and the GSM system, and switching the bandwidth of the channel filter of the back-end circuit between the WCDMA system and the GSM system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004015295A JP4347072B2 (en) | 2004-01-23 | 2004-01-23 | Multi-mode wireless communication circuit and wireless terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004015295A JP4347072B2 (en) | 2004-01-23 | 2004-01-23 | Multi-mode wireless communication circuit and wireless terminal device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005210460A JP2005210460A (en) | 2005-08-04 |
| JP2005210460A5 true JP2005210460A5 (en) | 2007-03-01 |
| JP4347072B2 JP4347072B2 (en) | 2009-10-21 |
Family
ID=34900808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004015295A Expired - Fee Related JP4347072B2 (en) | 2004-01-23 | 2004-01-23 | Multi-mode wireless communication circuit and wireless terminal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4347072B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070064833A1 (en) * | 2005-09-12 | 2007-03-22 | Sahota Gurkanwal S | Multi-band radio frequency modulator |
| JP4637026B2 (en) | 2006-02-08 | 2011-02-23 | 株式会社日立メディアエレクトロニクス | High frequency circuit device and communication device equipped with the same. |
| JP2009302987A (en) * | 2008-06-16 | 2009-12-24 | Renesas Technology Corp | Semiconductor integrated circuit |
| US8099127B2 (en) * | 2008-08-01 | 2012-01-17 | Qualcomm Incorporated | Multi-mode configurable transmitter circuit |
| FR2949631A1 (en) * | 2009-08-28 | 2011-03-04 | Thomson Licensing | BROADBAND RECEIVING TRANSMITTING DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS FROM A SELECTED CHANNEL IN A DYNAMICALLY EXTENDED BANDWIDTH |
| GB2572891B (en) * | 2014-10-31 | 2020-01-08 | Skyworks Solutions Inc | A receiving system |
| US9813137B2 (en) | 2014-10-31 | 2017-11-07 | Skyworks Solutions, Inc. | Diversity receiver front end system with flexible routing |
| JP6640851B2 (en) * | 2015-06-01 | 2020-02-05 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | Receiving systems, radio frequency modules and radio equipment |
-
2004
- 2004-01-23 JP JP2004015295A patent/JP4347072B2/en not_active Expired - Fee Related
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