TW200718122A - Method and apparatus for signal demodulation and transmission - Google Patents

Method and apparatus for signal demodulation and transmission

Info

Publication number
TW200718122A
TW200718122A TW095140034A TW95140034A TW200718122A TW 200718122 A TW200718122 A TW 200718122A TW 095140034 A TW095140034 A TW 095140034A TW 95140034 A TW95140034 A TW 95140034A TW 200718122 A TW200718122 A TW 200718122A
Authority
TW
Taiwan
Prior art keywords
frequency
signal
oscillation
signals
oscillation signal
Prior art date
Application number
TW095140034A
Other languages
English (en)
Other versions
TWI320649B (en
Inventor
Min Chen
Wing-Han She
Original Assignee
Mediatek Inc
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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200718122A publication Critical patent/TW200718122A/zh
Application granted granted Critical
Publication of TWI320649B publication Critical patent/TWI320649B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
    • H04B1/0071—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands using a common intermediate frequency for more than one band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
TW095140034A 2005-10-31 2006-10-30 Method and apparatus for signal demodulation and transmission TWI320649B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73169705P 2005-10-31 2005-10-31
US11/531,331 US20070099582A1 (en) 2005-10-31 2006-09-13 Method and apparatus for signal demodulation and transmission

Publications (2)

Publication Number Publication Date
TW200718122A true TW200718122A (en) 2007-05-01
TWI320649B TWI320649B (en) 2010-02-11

Family

ID=38112772

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095140034A TWI320649B (en) 2005-10-31 2006-10-30 Method and apparatus for signal demodulation and transmission

Country Status (3)

Country Link
US (1) US20070099582A1 (zh)
CN (1) CN1972136A (zh)
TW (1) TWI320649B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006270849A (ja) * 2005-03-25 2006-10-05 Tektronix Japan Ltd 周波数変換回路
KR101475244B1 (ko) * 2007-08-10 2014-12-22 코닌클리케 필립스 엔.브이. 감소된 결합을 갖는 다중 전송 장치
US8977215B2 (en) 2008-03-07 2015-03-10 Electronic Warfare Associates, Inc. Frequency translation device and wireless communication system using the same
CN101877917B (zh) * 2009-04-28 2012-09-05 电信科学技术研究院 射频拉远单元
CN106998209B (zh) * 2013-11-19 2019-08-23 瑞昱半导体股份有限公司 无线信号接收装置与方法
US9467195B2 (en) * 2014-07-28 2016-10-11 Celeno Communications (Israel) Ltd. Concurrent dual-band WLAN device using MCM
CN106027075B (zh) * 2016-04-29 2018-06-19 北京邮电大学 一种共时双频接收系统
TWI634344B (zh) * 2017-06-07 2018-09-01 國立中山大學 三維軌跡偵測系統
JP2019054497A (ja) * 2017-09-19 2019-04-04 東芝メモリ株式会社 受信装置、送信装置、及び通信システム
US11570709B2 (en) * 2019-01-14 2023-01-31 The Regents Of The University Of California BLE and/or WiFi compliant and blocker-resilient wake-up receiver and method
US11171682B2 (en) * 2019-01-30 2021-11-09 Swiftlink Technologies Inc. Dual polarization millimeter-wave frontend integrated circuit
KR20210074739A (ko) * 2019-12-12 2021-06-22 삼성전자주식회사 무선 통신 시스템에서 복수의 대역들에서 신호들을 송신 및 수신하기 위한 장치 및 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351502B1 (en) * 2000-01-13 2002-02-26 Atheros Communications, Inc. RF front-end with multistage stepdown filtering architecture
US6917815B2 (en) * 2001-03-14 2005-07-12 California Institute Of Technology Concurrent dual-band receiver architecture
SE519614C2 (sv) * 2001-07-18 2003-03-18 Spirea Ab Flerstandardssändtagare med trebandsarkitektur för WLAN
US6850748B2 (en) * 2002-07-31 2005-02-01 Gct Semiconductor, Inc. RF front end with reduced carrier leakage
DE102004062827B4 (de) * 2004-12-27 2011-06-09 Advanced Micro Devices, Inc., Sunnyvale Dualband-WLAN-Kommunikations-Frequenzsynthesizertechnik

Also Published As

Publication number Publication date
US20070099582A1 (en) 2007-05-03
CN1972136A (zh) 2007-05-30
TWI320649B (en) 2010-02-11

Similar Documents

Publication Publication Date Title
TW200718122A (en) Method and apparatus for signal demodulation and transmission
TW200501607A (en) Multi-mode radio with interference cancellation circuit
WO2009122366A3 (en) A method circuit and system for communication channel scanning and selection
TWI264193B (en) Apparatus and method for compensating IQ imbalance in OFDM system with carrier frequency offset
TW200644454A (en) Method and apparatus for RF signal demodulation
TW200610304A (en) Communication system, transmitter and receiver
CN103458424B (zh) 基于功率检测及环路延迟计算的自干扰消除方法
WO2007002273A3 (en) Antenna feed network for full duplex communication
WO2005089427A3 (en) A method and apparatus for canceling the transmitted signal
TW200715777A (en) System and method for a direct conversion multi-carrier processor
TW200703934A (en) Multiple band direct conversion radio frequency transceiver integrated circuit
WO2008102686A1 (ja) マルチバンドトランシーバおよび該トランシーバを用いた測位システム
WO2007088127A3 (en) Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
TW200614757A (en) Wireless data communication device
CA2543646A1 (en) Apparatus and method of on-channel repeater
EP1777833A3 (en) Local oscillation frequency generation apparatus and wireless transceiver having the same
CA2475849A1 (en) Radio communication method and system for communication between a plurality of radio communication terminals
GB2440864A (en) Method and system for calibration of a radio direction finder
WO2006058708A3 (de) Schaltungsanordnung zur erzeugung eines komplexen signals und deren verwendung in einem hochfrequenz-sender oder -empfänger
WO2007144101A3 (en) Rf radio broadcast transceiver
JPH06216802A (ja) 送受信装置
ZA200802968B (en) Itra-frequency and inter-frequency measurements in a radio communication system
WO2007127625A3 (en) Receiver for use in wireless communications and method of operation of the receiver
ATE377892T1 (de) Empfänger für ein mehrträgersignal
TW200614694A (en) Receiving circuit of electric-wave clock broadcast

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees