FI20031194A0 - Suoramuuntovastaanotin ja vastaanottomenetelmä - Google Patents

Suoramuuntovastaanotin ja vastaanottomenetelmä

Info

Publication number
FI20031194A0
FI20031194A0 FI20031194A FI20031194A FI20031194A0 FI 20031194 A0 FI20031194 A0 FI 20031194A0 FI 20031194 A FI20031194 A FI 20031194A FI 20031194 A FI20031194 A FI 20031194A FI 20031194 A0 FI20031194 A0 FI 20031194A0
Authority
FI
Finland
Prior art keywords
component
signal
frequency
frequency band
direct conversion
Prior art date
Application number
FI20031194A
Other languages
English (en)
Swedish (sv)
Inventor
Julius Koskela
Jouko Lokio
Hans-Otto Scheck
Original Assignee
Nokia Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nokia Corp filed Critical Nokia Corp
Priority to FI20031194A priority Critical patent/FI20031194A0/fi
Publication of FI20031194A0 publication Critical patent/FI20031194A0/fi
Priority to US10/693,608 priority patent/US7310388B2/en
Priority to AT04103956T priority patent/ATE405985T1/de
Priority to DE602004015903T priority patent/DE602004015903D1/de
Priority to EP20040103956 priority patent/EP1515429B1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FI20031194A 2003-08-25 2003-08-25 Suoramuuntovastaanotin ja vastaanottomenetelmä FI20031194A0 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20031194A FI20031194A0 (fi) 2003-08-25 2003-08-25 Suoramuuntovastaanotin ja vastaanottomenetelmä
US10/693,608 US7310388B2 (en) 2003-08-25 2003-10-27 Direct conversion receiver and receiving method
AT04103956T ATE405985T1 (de) 2003-08-25 2004-08-18 Direktkonversionsempfänger und verfahren dazu
DE602004015903T DE602004015903D1 (de) 2003-08-25 2004-08-18 Direktkonversionsempfänger und Verfahren dazu
EP20040103956 EP1515429B1 (en) 2003-08-25 2004-08-18 Direct conversion receiver and receiving method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20031194A FI20031194A0 (fi) 2003-08-25 2003-08-25 Suoramuuntovastaanotin ja vastaanottomenetelmä

Publications (1)

Publication Number Publication Date
FI20031194A0 true FI20031194A0 (fi) 2003-08-25

Family

ID=27838873

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031194A FI20031194A0 (fi) 2003-08-25 2003-08-25 Suoramuuntovastaanotin ja vastaanottomenetelmä

Country Status (4)

Country Link
US (1) US7310388B2 (fi)
AT (1) ATE405985T1 (fi)
DE (1) DE602004015903D1 (fi)
FI (1) FI20031194A0 (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7877070B2 (en) * 2006-09-29 2011-01-25 Broadcom Corp. Method and system for tuning an antenna using injection
US8036319B2 (en) * 2007-11-01 2011-10-11 Intel Corporation Direct conversion receiver and method for correcting phase imbalance therein
JP5219537B2 (ja) * 2008-02-08 2013-06-26 株式会社アドバンテスト ゲインインバランス測定装置、位相差対応値測定装置、方法、プログラムおよび記録媒体
US20110116577A1 (en) * 2008-07-28 2011-05-19 Freescale Semiconductor, Inc. Semiconductor device wireless communication unit and method for receiving a signal
US8135094B2 (en) * 2008-08-27 2012-03-13 Freescale Semiconductor, Inc. Receiver I/Q group delay mismatch correction
US20110013724A1 (en) * 2009-04-24 2011-01-20 Qualcomm Incorporated I/q imbalance estimation and compensation for a transmitter and a receiver
US10050744B2 (en) * 2012-03-16 2018-08-14 Analog Devices, Inc. Real-time I/Q imbalance correction for wide-band RF receiver
US9281907B2 (en) 2013-03-15 2016-03-08 Analog Devices, Inc. Quadrature error correction using polynomial models in tone calibration
CN105191393B (zh) * 2013-05-17 2019-08-06 索尼公司 通信控制设备、通信控制方法、终端设备和信息处理设备
US11012273B1 (en) 2019-12-31 2021-05-18 Hughes Network Systems, Llc Compensating for frequency-dependent I-Q phase imbalance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1297278B1 (it) * 1997-09-15 1999-08-09 Italtel Spa Radioricevitore digitale a larga banda per segnale multiportante
DE19906801C2 (de) 1998-02-19 2003-12-11 Advantest Corp Spreizungs-Signal-Analysator und Verfahren zum Analysieren eines Spreizungssignals
EP0948128B1 (en) 1998-04-03 2004-12-01 Motorola Semiconducteurs S.A. DC offset cancellation in a quadrature receiver
FR2781948B1 (fr) 1998-07-28 2001-02-09 St Microelectronics Sa Reception radiofrequence a conversion de frequence a basse frequence intermediaire
GR1003688B (el) 2000-07-14 2001-10-05 Ιντρακομ Α.Ε. Ελληνικη Βιομηχανια Τηλεπικοινωνιων Και Συστηματ... Μηχανισμος διορθωσης τασης εκτροπης και ενισχυτης ελεγχομενου κερδους σε δεκτες αμεσης μεταδοσης.
US20020127982A1 (en) * 2001-03-07 2002-09-12 Nokia Mobile Phones Ltd Mobile station receiver operable for both single and multi-carrier reception
US20030072393A1 (en) 2001-08-02 2003-04-17 Jian Gu Quadrature transceiver substantially free of adverse circuitry mismatch effects
EP1298791A1 (en) 2001-09-26 2003-04-02 Sony International (Europe) GmbH Direct-conversion receiver using quadrature error correction
US7248625B2 (en) * 2002-09-05 2007-07-24 Silicon Storage Technology, Inc. Compensation of I-Q imbalance in digital transceivers

Also Published As

Publication number Publication date
US20050047528A1 (en) 2005-03-03
ATE405985T1 (de) 2008-09-15
US7310388B2 (en) 2007-12-18
DE602004015903D1 (de) 2008-10-02

Similar Documents

Publication Publication Date Title
CN104247277B (zh) 用于具有不平衡的接收功率的分量载波的接收机
TWI241793B (en) Method and apparatus for I/Q mismatch calibration in a receiver
CN101909040B (zh) 通信装置
US7257379B2 (en) Compensating for analog radio component impairments to relax specifications
TWI264193B (en) Apparatus and method for compensating IQ imbalance in OFDM system with carrier frequency offset
DE60232516D1 (de) Iq-ungleichgewicht
WO2003005562A3 (en) Radio receiver using a feedback loop to compensate i/q amplitude errors, and method
CN201708797U (zh) 用于多载波移动通信中继设备的数字选频装置
FI20031194A0 (fi) Suoramuuntovastaanotin ja vastaanottomenetelmä
CN103124201A (zh) 片上射频校准
JP2007097180A (ja) 複素値バンドパス信号をディジタルベースバンド信号へ変換する装置
TW200644453A (en) Method and apparatus for RF signal demodulation
JP2004072336A (ja) 送信信号補償機能付き無線機
CN101651498B (zh) 一种直放站及利用其去除导频污染的方法
WO2008111886A3 (en) Imbalanced transmission combining at a radio base station
EP1515429A3 (en) Direct conversion receiver and receiving method
CN104618285A (zh) 一种用于语音信号调制的全数字短波激励器
SE0301824D0 (sv) Adjacent channel rejection device, receiving apparatus and method of operating a receiving apparatus
JP3234256U (ja) アナログ波受信用変調機及びアナログ波送信用変調機
KR20090059958A (ko) 신호 송수신 장치 및 그 제어 방법
US9300336B2 (en) Direct conversion receiver device with first and second stages and related methods
Moon et al. CMOS four-port direct conversion receiver for BPSK demodulation
WO2014185175A1 (ja) 送信機
KR100310238B1 (ko) 통신 신호의 전력 검출 회로 및 전력 검출 방법
Gao et al. A simplified RF model to investigate impacts of RF impairments on OFDM