US9270301B2 - Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems - Google Patents
Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems Download PDFInfo
- Publication number
- US9270301B2 US9270301B2 US14/272,820 US201414272820A US9270301B2 US 9270301 B2 US9270301 B2 US 9270301B2 US 201414272820 A US201414272820 A US 201414272820A US 9270301 B2 US9270301 B2 US 9270301B2
- Authority
- US
- United States
- Prior art keywords
- direct
- radio interfaces
- conversion transmitter
- conversion
- transmitter
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 211
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000010295 mobile communication Methods 0.000 claims description 23
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 description 11
- 230000001413 cellular effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- H04B1/0053—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 common antenna for more than one band
- H04B1/0057—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 common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- 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
- H04B1/0075—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 different intermediate frequencied for the different bands
- H04B1/0078—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 different intermediate frequencied for the different bands with a common intermediate frequency amplifier for the different intermediate frequencies, e.g. when using switched intermediate frequency filters
-
- 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
- H04B1/0082—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 with a common local oscillator for more than one band
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
Description
-
- a carrier-frequency signal is received from a radio interface,
- the carrier-frequency signal is bandpass-filtered,
- the filtered carrier-frequency signal is amplified,
- an RX mixing signal at the receive frequency is generated,
- a complex baseband signal is generated from the received carrier-frequency signal by mixing it with the RX mixing signal,
- the baseband signal generated is low-pass-filtered,
- the baseband signal generated is amplified,
- the baseband signal is converted digital, and
- the baseband signal converted digital is processed to produce an information signal encoded and modulated into the received signal.
-
- a digital baseband quadrature signal is generated on the basis of the information signal to be transmitted,
- the digital baseband signal is converted analog,
- a TX mixing signal at the transmit frequency is generated,
- a carrier-frequency transmission signal is generated from the baseband signal by mixing it with the TX mixing signal,
- the carrier-frequency signal generated is amplified, and
- the transmission signal is sent to the radio interface.
-
- antenna means for receiving a radio-frequency signal,
- bandpass filter for filtering a carrier-frequency signal,
- first RX amplifier for amplifying the filtered carrier-frequency signal,
- means for generating an RX mixing signal at the receive frequency,
- mixing means for generating a complex baseband signal from the received signal using the RX mixing signal,
- low-pass filter for filtering the baseband signal,
- second amplifier for amplifying the baseband signal,
- analog-to-digital converter for converting the baseband signal digital, and
- means for processing the baseband signal converted digital to produce an information signal encoded and modulated into the received signal.
-
- means for generating a digital baseband quadrature signal on the basis of the information signal to be transmitted,
- digital-to-analog converter for converting the baseband transmission signal analog,
- synthesizer for generating a TX mixing signal at the transmit frequency,
- mixing means for producing a signal at the carrier frequency from the baseband transmission signal using the TX mixing signal,
- TX amplifier for amplifying the signal at the carrier frequency, and
- antenna means for transmitting the amplified transmission signal at the carrier frequency.
CELLULAR SYSTEM |
DECT | PHS | ||||||||
GSM Global | Digital | Personal | |||||||
System for | PDC Personal | European | Handy | ||||||
IS-95 US | Mobile | Digital | Cordless | Phone | |||||
AMPS | IS-54/136 | CDMA | Communications | DCS 1800 | Cellular | Telephone | System | ||
RX FREQ. (MHz) | 869-894 | 869-894 | 869-894 | 935-960 | 1805-1880 | 810-826, | 1880-1900 | 1895-1918 |
1429-1453 | ||||||||
TX FREQ. (MHz) | 824-849 | 824-849 | 824-849 | 890-915 | 1710-1785 | 940-956 | 1880-1900 | 1895-1918 |
1477-1501 | ||||||||
RF BANDWIDTH | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 75 |
16 MHz, 24 MHz | 20 MHz | 23 MHz |
MULTIPLE ACCESS | FDMA | TDMA/ | CDMA/ | TDMA/ | TDMA/ | TDMA/ | TDMA/ | TDMA/ |
METHOD | FDMA | FDMA | FDMA | FDMA | FDMA | FDMA | FDMA | |
DUPLEX METHOD | FDD | FDD | FDD | FDD | FDD | FDD | TDD | TDD |
NUMBER OF | 832 | 832, 3 users/ | 20, 798 users/ | 124, 8 users/ | 374, 8 users/ | 1600, 3 users/ | 10, 12 users/ | 300, 4 users/ |
CHANNELS | channel | channel | channel | channel | channel | channel | channel | |
CHANNEL SPACING | 30 kHz | 30 kHz | 1250 kHz | 200 kHz | 200 kHz | 25 kHz | 1.728 MHz | 300 kHz |
MODULATION | FM | π/4 | QPSK/ | GMSK 0.3 | GMSK 0.3 | π/4 | GFSK 0.3 | π/4 |
DQPSK | OQPSK | Gaussian | Gaussian | DQPSK | Gaussian | DQPSK | ||
filter | filter | filter | ||||||
CELLULAR SYSTEM | WCDMA |
RX FREQ. (MHz) | 2110-2170 | 1900-1920 |
TX FREQ. (MHz) | 1920-1980 | 1900-1920 |
MULTIPLE ACCESS METHOD | CDMA | TDMA |
DUPLEX METHOD | FDD | |
CHANNEL SPACING | ||
5 |
5 MHz | |
MODULATION | QPSK |
|
144 kb/s in rural outdoor, |
500 kb/s in urban outdoor and | |
up to 2 Mb/s in indoor | |
Claims (122)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/272,820 US9270301B2 (en) | 1998-11-26 | 2014-05-08 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US15/049,786 US20170019129A1 (en) | 1998-11-26 | 2016-02-22 | Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication Systems |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI982559A FI112741B (en) | 1998-11-26 | 1998-11-26 | Method and arrangement for transmitting and receiving RF signals at various radio interfaces of communication systems |
FI982559 | 1998-11-26 | ||
PCT/FI1999/000974 WO2000031885A1 (en) | 1998-11-26 | 1999-11-25 | Method and arrangement for transmitting and receiving rf signals through various radio interfaces of communication systems |
US85674601A | 2001-05-24 | 2001-05-24 | |
US12/136,465 US8768408B2 (en) | 1998-11-26 | 2008-06-10 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US13/614,272 US8755834B2 (en) | 1998-11-26 | 2012-09-13 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US14/272,191 US8838049B1 (en) | 1998-11-26 | 2014-05-07 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US14/272,820 US9270301B2 (en) | 1998-11-26 | 2014-05-08 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/272,191 Continuation US8838049B1 (en) | 1998-11-26 | 2014-05-07 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/049,786 Continuation US20170019129A1 (en) | 1998-11-26 | 2016-02-22 | Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication Systems |
Publications (2)
Publication Number | Publication Date |
---|---|
US20150094001A1 US20150094001A1 (en) | 2015-04-02 |
US9270301B2 true US9270301B2 (en) | 2016-02-23 |
Family
ID=8552988
Family Applications (7)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/856,746 Expired - Fee Related US7415247B1 (en) | 1998-11-26 | 1999-11-25 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US11/565,339 Abandoned US20070213025A1 (en) | 1998-11-26 | 2006-11-30 | Method and arrangement for transmitting and recieving rf signals through various radio interfaces of communication systems |
US12/136,465 Expired - Fee Related US8768408B2 (en) | 1998-11-26 | 2008-06-10 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US13/614,272 Expired - Fee Related US8755834B2 (en) | 1998-11-26 | 2012-09-13 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US14/272,191 Expired - Fee Related US8838049B1 (en) | 1998-11-26 | 2014-05-07 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US14/272,820 Expired - Fee Related US9270301B2 (en) | 1998-11-26 | 2014-05-08 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US15/049,786 Abandoned US20170019129A1 (en) | 1998-11-26 | 2016-02-22 | Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication Systems |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/856,746 Expired - Fee Related US7415247B1 (en) | 1998-11-26 | 1999-11-25 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US11/565,339 Abandoned US20070213025A1 (en) | 1998-11-26 | 2006-11-30 | Method and arrangement for transmitting and recieving rf signals through various radio interfaces of communication systems |
US12/136,465 Expired - Fee Related US8768408B2 (en) | 1998-11-26 | 2008-06-10 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US13/614,272 Expired - Fee Related US8755834B2 (en) | 1998-11-26 | 2012-09-13 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US14/272,191 Expired - Fee Related US8838049B1 (en) | 1998-11-26 | 2014-05-07 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/049,786 Abandoned US20170019129A1 (en) | 1998-11-26 | 2016-02-22 | Method and Arrangement for Transmitting and Receiving RF Signals Through Various Radio Interfaces of Communication Systems |
Country Status (8)
Country | Link |
---|---|
US (7) | US7415247B1 (en) |
EP (1) | EP1133831B1 (en) |
JP (1) | JP2002530995A (en) |
CN (1) | CN1192499C (en) |
AU (1) | AU1562800A (en) |
DE (1) | DE69942878D1 (en) |
FI (1) | FI112741B (en) |
WO (1) | WO2000031885A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190253126A1 (en) * | 2017-10-17 | 2019-08-15 | Carnegie Mellon University | Reconfigurable Hybrid Beamforming MIMO Receiver with Inter-Band Carrier Aggregation and RF-Domain LMS Weight Adaptation |
US10951295B2 (en) | 2018-10-17 | 2021-03-16 | Carnegie Mellon University | Reconfigurable fully-connected bidirectional hybrid beamforming transceiver |
US11569897B2 (en) | 2017-10-17 | 2023-01-31 | Carnegie Mellon University | Scalable, multi-layer MIMO transceiver |
WO2023075129A1 (en) * | 2021-10-29 | 2023-05-04 | 삼성전자 주식회사 | Electronic device comprising duplexers comprising filters having properties which are adaptively changeable according to state |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112741B (en) | 1998-11-26 | 2003-12-31 | Nokia Corp | Method and arrangement for transmitting and receiving RF signals at various radio interfaces of communication systems |
FI112561B (en) | 1999-06-10 | 2003-12-15 | Nokia Corp | Transmitter / receiver for transmitting and receiving RF signal on at least two frequency ranges |
DE10035116C2 (en) * | 2000-07-19 | 2002-12-19 | Infineon Technologies Ag | High-frequency interface for dual standard baseband chips |
GB0028652D0 (en) * | 2000-11-24 | 2001-01-10 | Koninkl Philips Electronics Nv | Radio receiver |
US6960962B2 (en) | 2001-01-12 | 2005-11-01 | Qualcomm Inc. | Local oscillator leakage control in direct conversion processes |
DE60224162T2 (en) * | 2001-01-12 | 2008-12-04 | Qualcomm, Inc., San Diego | REDUCTION OF THE LEAK SIGNAL OF A LOCALOSCILLATOR IN A DIRECT CONVERSION PROCESS |
US6961368B2 (en) | 2001-01-26 | 2005-11-01 | Ericsson Inc. | Adaptive antenna optimization network |
US6845126B2 (en) | 2001-01-26 | 2005-01-18 | Telefonaktiebolaget L.M. Ericsson (Publ) | System and method for adaptive antenna impedance matching |
DE10112575A1 (en) * | 2001-03-15 | 2002-10-02 | Siemens Ag | Method and device for generating mobile radio signals |
EP1271792A1 (en) * | 2001-06-25 | 2003-01-02 | Motorola, Inc. | Low leakage local oscillator system |
US7024169B2 (en) * | 2002-01-25 | 2006-04-04 | Qualcomm Incorporated | AMPS receiver using a zero-IF architecture |
GB0204108D0 (en) | 2002-02-21 | 2002-04-10 | Analog Devices Inc | 3G radio |
JP4338526B2 (en) * | 2002-02-21 | 2009-10-07 | メディアテック インコーポレーテッド | 3G wireless receiver |
JP4064764B2 (en) * | 2002-08-27 | 2008-03-19 | アルプス電気株式会社 | Mobile phone |
ES2261966T3 (en) * | 2002-10-16 | 2006-11-16 | Casio Computer Co., Ltd. | RADIO WAVE RECEPTION DEVICE, RADIO WAVE CLOCK AND REPEATER. |
US7398068B2 (en) * | 2003-05-05 | 2008-07-08 | Marvell International Ltd. | Dual antenna system having one phase lock loop |
WO2004107590A1 (en) * | 2003-05-23 | 2004-12-09 | Skyworks Solutions, Inc. | Shared functional block multi-mode multi-band communication transceivers |
CN1625065A (en) * | 2003-12-05 | 2005-06-08 | 皇家飞利浦电子股份有限公司 | Receiver for radio communication system |
US7379752B2 (en) * | 2004-10-13 | 2008-05-27 | Mediatek Inc. | Methods and apparatus for communication in a wireless system |
US20060078068A1 (en) * | 2004-10-13 | 2006-04-13 | Aiguo Yan | Methods and apparatus for wireless communication |
CN101040437B (en) | 2004-10-13 | 2010-05-12 | 联发科技股份有限公司 | Filters for communication systems and filtering method thereof |
US7653168B2 (en) | 2005-01-12 | 2010-01-26 | Nokia Corporation | Digital clock dividing circuit |
US7403750B2 (en) * | 2005-04-25 | 2008-07-22 | Nokia Corporation | Reuse of digital-to-analog converters in a multi-mode transmitter |
US20060276149A1 (en) * | 2005-06-03 | 2006-12-07 | Microtune (Texas), L.P. | Multi-band broadcast tuner |
US8180312B2 (en) * | 2005-08-04 | 2012-05-15 | Samsung Electronics Co., Ltd. | Receiver architecture for minimizing use of external bandpass filter between low-noise amplifier and first mixer |
US7982533B2 (en) | 2005-08-22 | 2011-07-19 | Mediatek Usa Inc. | Transceiving system and compound filter |
US20070064833A1 (en) * | 2005-09-12 | 2007-03-22 | Sahota Gurkanwal S | Multi-band radio frequency modulator |
US7912428B2 (en) * | 2005-11-16 | 2011-03-22 | Broadcom Corporation | System and method providing variable-frequency IF conversion in a multimode communication device |
JP2007295457A (en) * | 2006-04-27 | 2007-11-08 | Matsushita Electric Ind Co Ltd | Receiver and electronic device using same |
TWI348269B (en) * | 2006-09-20 | 2011-09-01 | Mediatek Usa Inc | Transceiver and compound fileter |
CN101155160B (en) * | 2006-09-29 | 2010-06-16 | 锐迪科科技有限公司 | Up-conversion mixer |
CN100557990C (en) * | 2006-11-03 | 2009-11-04 | 华为技术有限公司 | A kind of method for simplifying of radio-frequency front-end and device |
JP4289507B2 (en) * | 2006-11-08 | 2009-07-01 | 日本電波工業株式会社 | Synthesizer module |
EP2037591B1 (en) | 2007-09-14 | 2016-04-13 | Semiconductor Components Industries, LLC | Low-IF transceiver architecture |
US7724170B2 (en) * | 2007-12-02 | 2010-05-25 | The Chinese University Of Hong Kong | Sensor interface devices and amplifiers |
EP2073394A1 (en) * | 2007-12-19 | 2009-06-24 | Alcatel-Lucent Deutschland AG | A method for transmission and reception in FDD mode or in TDD mode in an antenna network, an antenna network, a base station, a mobile station and a communication network therefor |
JP5260131B2 (en) * | 2008-04-28 | 2013-08-14 | 株式会社エヌ・ティ・ティ・ドコモ | Base station, mobile station, and common information communication method |
KR100999479B1 (en) * | 2008-08-07 | 2010-12-09 | 삼성전자주식회사 | Method and apparatus for improving broadcasting reception performance of portable terminal |
US8064555B1 (en) | 2009-01-22 | 2011-11-22 | The United States Of America As Represented By The Secretary Of The Navy | Input/output multi-level channelizer amplifier |
US8665995B2 (en) | 2009-06-23 | 2014-03-04 | Nokia Corporation | Dual channel transmission |
EP2355362B1 (en) * | 2010-02-05 | 2015-01-14 | Intel Mobile Communications GmbH | Rf transceiver and modem comprising such a transceiver |
US8977519B2 (en) * | 2010-02-12 | 2015-03-10 | Test Equipment Plus, Inc | Spectrum analyzer using multiple intermediate frequencies and multiple clock configurations for residual, spurious and image signal reduction |
CN101888256B (en) * | 2010-04-01 | 2012-11-28 | 华东师范大学 | Multi-mode multi-frequency multi-application direct frequency conversion wireless transceiver |
TWI495276B (en) * | 2010-05-04 | 2015-08-01 | Realtek Semiconductor Corp | Multi-mode wireless transceiver and multi-mode switching method thereof |
CN102739278B (en) * | 2011-04-02 | 2015-01-07 | 苏州联科盛世科技有限公司 | 2.4G wireless transceiver chip with an intermediate frequency of 1MHz |
WO2013007869A1 (en) * | 2011-07-13 | 2013-01-17 | Nokia Corporation | Dual or multiple sim standby and active using a single digital baseband |
US8902796B2 (en) * | 2011-11-04 | 2014-12-02 | Broadcom Corporation | Power-efficient multi-mode transceiver synthesizer configurations |
US20130156074A1 (en) * | 2011-12-14 | 2013-06-20 | Aviacomm Inc. | Wideband rf front-end |
US10219197B2 (en) * | 2014-02-17 | 2019-02-26 | Dyrun | Mobile interconnection device |
DE102014108774A1 (en) | 2014-06-24 | 2016-01-07 | Intel IP Corporation | Apparatus and method for generating an oscillator signal |
US9843342B2 (en) | 2014-08-12 | 2017-12-12 | Qorvo Us, Inc. | Tunable RF transmit/receive multiplexer |
US9780866B2 (en) | 2014-08-12 | 2017-10-03 | Qorvo Us, Inc. | Configurable RF transmit/receive multiplexer |
US10312960B2 (en) * | 2014-08-12 | 2019-06-04 | Qorvo Us, Inc. | Switchable RF transmit/receive multiplexer |
TWI595705B (en) * | 2014-11-10 | 2017-08-11 | 萬達系統股份有限公司 | Mixed optimal frequency combiner (mfoc) and integrated antenna system with mfoc |
US10374784B2 (en) * | 2015-06-05 | 2019-08-06 | Wispry, Inc. | Adaptive multi-carrier filter response systems and methods |
EP3338374B1 (en) * | 2015-08-21 | 2021-05-12 | Telefonaktiebolaget LM Ericsson (publ) | Signal distribution network |
US9992722B2 (en) | 2015-12-14 | 2018-06-05 | Huawei Technologies Canada Co., Ltd. | Reconfigurable multi-mode and multi-bands radio architecture and transceiver |
EP3602830B1 (en) * | 2017-03-28 | 2021-06-23 | Qualcomm Incorporated | Range-based transmission parameter adjustment |
US10305611B1 (en) | 2018-03-28 | 2019-05-28 | Qualcomm Incorporated | Proximity detection using a hybrid transceiver |
US10944541B2 (en) * | 2019-08-30 | 2021-03-09 | Intel Corporation | LO frequency generation using resonator |
US20220321152A1 (en) * | 2021-03-30 | 2022-10-06 | Skyworks Solutions, Inc. | Mobile devices with merged frequency range one and intermediate frequency signal path |
Citations (143)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254504A (en) | 1978-08-08 | 1981-03-03 | International Telephone And Telegraph Corporation | Control apparatus for a transceiver employing a programmable memory |
US4395776A (en) | 1979-09-27 | 1983-07-26 | Toyo Communication Equipment Co., Ltd. | Transmitter having a phase synchronizing system |
US4731796A (en) | 1984-10-25 | 1988-03-15 | Stc, Plc | Multi-mode radio transceiver |
US4736390A (en) | 1986-10-15 | 1988-04-05 | Itt Avionics, A Division Of Itt Corporation | Zero IF radio receiver apparatus |
US4761798A (en) | 1987-04-02 | 1988-08-02 | Itt Aerospace Optical | Baseband phase modulator apparatus employing digital techniques |
US4768187A (en) | 1985-07-08 | 1988-08-30 | U.S. Philips Corp. | Signal transmission system and a transmitter and a receiver for use in the system |
US4870699A (en) | 1986-03-26 | 1989-09-26 | General Electric Company | Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device |
GB2215945A (en) | 1988-03-26 | 1989-09-27 | Stc Plc | Digital direct conversion radio |
US4972455A (en) | 1989-06-23 | 1990-11-20 | Motorola, Inc. | Dual-bandwidth cellular telephone |
WO1992021195A1 (en) | 1991-05-13 | 1992-11-26 | Omnipoint Corporation | Dual mode transmitter and receiver |
US5187809A (en) | 1990-08-24 | 1993-02-16 | Motorola, Inc. | Dual mode automatic gain control |
JPH0575495A (en) | 1991-09-11 | 1993-03-26 | Hitachi Ltd | Mobile communication equipment |
EP0581573A1 (en) | 1992-07-28 | 1994-02-02 | Nokia Mobile Phones Ltd. | Universal radio telephone |
EP0581572A1 (en) | 1992-07-31 | 1994-02-02 | Nokia Mobile Phones Ltd. | Method and system for frequency converting |
EP0599409A2 (en) | 1992-11-26 | 1994-06-01 | Koninklijke Philips Electronics N.V. | A direct conversion receiver |
JPH06188781A (en) | 1992-12-21 | 1994-07-08 | Toshiba Corp | Dual mode radio communication device |
JPH06260961A (en) | 1993-03-04 | 1994-09-16 | Kyocera Corp | Digital mobile telephone set |
EP0631400A1 (en) | 1993-06-25 | 1994-12-28 | Alcatel Mobile Communication France | Portable transmitting and receiving device for two-mode digital signals |
EP0633674A2 (en) | 1993-07-06 | 1995-01-11 | Mitsubishi Denki Kabushiki Kaisha | Radio-transceiver with means for reducing interference |
EP0653851A2 (en) | 1993-11-12 | 1995-05-17 | Philips Patentverwaltung GmbH | Multiband radio transceiver |
JPH0759162B2 (en) | 1986-04-26 | 1995-06-28 | 三菱化学ビーエーエスエフ株式会社 | Vegetation |
US5438692A (en) | 1992-11-26 | 1995-08-01 | U.S. Philips Corporation | Direct conversion receiver |
GB2287144A (en) | 1994-02-23 | 1995-09-06 | Motorola Israel Ltd | A radio device |
US5465409A (en) | 1994-03-07 | 1995-11-07 | Motorola, Inc. | Radio architecture with dual frequency source selection |
US5483691A (en) | 1992-06-08 | 1996-01-09 | Motorola, Inc. | Zero intermediate frequency receiver having an automatic gain control circuit |
US5511235A (en) | 1994-05-02 | 1996-04-23 | Motorola, Inc. | Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor |
US5519885A (en) | 1991-11-05 | 1996-05-21 | Nokia Mobile Phones Ltd. | Method to generate different frequency signals in a digital radio telephone |
US5557642A (en) | 1992-08-25 | 1996-09-17 | Wireless Access, Inc. | Direct conversion receiver for multiple protocols |
JPH08293815A (en) | 1994-11-01 | 1996-11-05 | Motorola Inc | Coprocessor performing plurality of communication task on integrated circuit |
US5574985A (en) | 1992-02-14 | 1996-11-12 | Nokia Telecommunications Oy | Radio transmitter receiver for operation in plural radio systems having unequal bands of operating frequencies represented by channel numbers |
JPH08316789A (en) | 1994-11-01 | 1996-11-29 | Motorola Inc | Dsp coprocessor used on integrated circuit for executing multiplex communication task |
US5584068A (en) | 1992-11-26 | 1996-12-10 | U.S. Philips Corporation | Direct conversion receiver |
US5590412A (en) | 1993-11-19 | 1996-12-31 | Sanyo Electric Co., Ltd. | Communication apparatus using common amplifier for transmission and reception |
WO1997006604A1 (en) | 1995-08-04 | 1997-02-20 | Numa Technologies, Inc. | Universal rf receiver |
CN1148444A (en) | 1994-09-14 | 1997-04-23 | 菲利浦电子有限公司 | Radio transmission system and a radio apparatus for use in such system |
JPH09130275A (en) | 1995-08-31 | 1997-05-16 | Sony Corp | Transmitter, gain adjustment method for transmission signal, receiver and gain adjustment method for reception signal |
JPH09163450A (en) | 1995-12-04 | 1997-06-20 | Kokusai Electric Co Ltd | Compound terminal equipment for mobile communication |
JPH09506492A (en) | 1994-09-10 | 1997-06-24 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Microwave transmitter and communication system |
US5642378A (en) | 1994-11-17 | 1997-06-24 | Denheyer; Brian John | Dual mode analog and digital cellular phone |
EP0782358A2 (en) | 1995-12-29 | 1997-07-02 | Lucent Technologies Inc. | Mobile communicator |
EP0797311A2 (en) | 1996-03-22 | 1997-09-24 | Matsushita Electric Industrial Co., Ltd. | Multiple-band mobile transceiver having a smaller number of local oscillators |
EP0798880A2 (en) | 1996-03-29 | 1997-10-01 | Nokia Mobile Phones Ltd. | Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station |
JPH09261104A (en) | 1996-03-25 | 1997-10-03 | Matsushita Electric Ind Co Ltd | Mobile radio equipment operated in plural modes |
EP0800283A2 (en) | 1996-04-01 | 1997-10-08 | Nokia Mobile Phones Ltd. | Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands |
GB2312108A (en) | 1996-04-08 | 1997-10-15 | Matsushita Electric Ind Co Ltd | Multiband receiver with grouping of signals with the same modulation type into the same IF |
GB2312107A (en) | 1996-04-08 | 1997-10-15 | Matsushita Electric Ind Co Ltd | Multiband receiver and quadrature demodulator with selectable local oscillator |
EP0809366A2 (en) | 1996-05-24 | 1997-11-26 | Lsi Logic Corporation | A single chip solution for multimedia GSM mobile station systems |
US5694414A (en) | 1991-05-13 | 1997-12-02 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
JPH09312578A (en) | 1996-05-22 | 1997-12-02 | Matsushita Electric Ind Co Ltd | Plural-mode shared transmitting circuit |
JPH09321691A (en) | 1996-05-28 | 1997-12-12 | Saitama Nippon Denki Kk | Radio telephone equipment |
EP0813312A2 (en) | 1996-06-10 | 1997-12-17 | Matsushita Electric Industrial Co., Ltd. | Multiband mobile unit communication apparatus |
US5710998A (en) | 1995-12-19 | 1998-01-20 | Motorola, Inc. | Method and apparatus for improved zero intermediate frequency receiver latency |
JPH1032519A (en) | 1996-07-16 | 1998-02-03 | Nec Corp | Radio communication equipment |
EP0823788A2 (en) | 1996-08-08 | 1998-02-11 | Matsushita Electric Industrial Co., Ltd. | Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands |
US5722053A (en) | 1994-09-30 | 1998-02-24 | Qualcomm Incorporated | Multiple frequency communication device |
US5732330A (en) | 1996-07-02 | 1998-03-24 | Ericsson Inc. | Dual band transceiver |
JPH1084583A (en) | 1996-08-02 | 1998-03-31 | Lsi Logic Corp | Multi-frequency radio communication equipment |
US5734970A (en) | 1995-02-08 | 1998-03-31 | Sony Corporation | Single oscillator transceiver with multiple frequency converters |
JPH1093475A (en) | 1996-09-17 | 1998-04-10 | Toshiba Corp | Composite system shared terminal equipment |
JPH10504698A (en) | 1994-08-18 | 1998-05-06 | オムニポイント・コーポレイション | Multi-band, multi-mode broadband communication system |
US5752169A (en) | 1995-03-14 | 1998-05-12 | Sony Corporation | Integrated circuit and transmitter/receiver |
US5758271A (en) | 1995-06-02 | 1998-05-26 | Motorola, Inc. | Apparatus and method for optimizing the quality of a received signal in a radio receiver |
US5757858A (en) | 1994-12-23 | 1998-05-26 | Qualcomm Incorporated | Dual-mode digital FM communication system |
CN1187270A (en) | 1995-06-07 | 1998-07-08 | 科姆萨特公司 | Digital downconverter/despreader for direct sequence spread spectrum CDMA communication system |
US5786782A (en) | 1996-01-05 | 1998-07-28 | Nokia Mobile Phones Ltd. | Multiplexed signal conversion |
US5794159A (en) | 1996-08-07 | 1998-08-11 | Nokia Mobile Phones Limited | Dual band mobile station employing cross-connected transmitter and receiver circuits |
US5794119A (en) | 1995-11-21 | 1998-08-11 | Stanford Telecommunications, Inc. | Subscriber frequency control system and method in point-to-multipoint RF communication system |
US5796772A (en) | 1991-05-13 | 1998-08-18 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
JPH10224250A (en) | 1997-01-31 | 1998-08-21 | Nokia Mobile Phones Ltd | Method for processing signal received in communication system and circuit device thereof |
JPH10242882A (en) | 1997-02-19 | 1998-09-11 | Motorola Inc | Method and device for receiving communication signal |
DE19712161A1 (en) | 1997-03-22 | 1998-09-24 | Lucent Tech Network Sys Gmbh | Device for pulse shaping high-frequency signals |
US5819165A (en) | 1994-11-14 | 1998-10-06 | Nokia Mobile Phones Ltd. | System for regulating the power output of and linearizing the transmission signal from a radio transmitter |
US5822366A (en) | 1995-04-21 | 1998-10-13 | Nokia Mobile Phones Ltd. | Transceiver and method for generating and processing complex I/Q-signals |
US5825809A (en) | 1996-01-20 | 1998-10-20 | Samsung Electronics Co., Ltd. | Digital filter having an energy level detector for selecting a coefficient |
EP0878974A1 (en) | 1997-05-16 | 1998-11-18 | Italtel s.p.a. | Communication method and a base transceiver station for a mobile radio communication system |
WO1999001933A2 (en) | 1997-07-01 | 1999-01-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Multiple mode direct conversion receiver |
US5867535A (en) | 1995-08-31 | 1999-02-02 | Northrop Grumman Corporation | Common transmit module for a programmable digital radio |
US5872810A (en) | 1996-01-26 | 1999-02-16 | Imec Co. | Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
WO1999017445A1 (en) | 1997-09-29 | 1999-04-08 | Ericsson Inc. | A dual-band, dual-mode power amplifier |
US5894592A (en) | 1997-04-17 | 1999-04-13 | Motorala, Inc. | Wideband frequency synthesizer for direct conversion transceiver |
US5909643A (en) | 1995-11-24 | 1999-06-01 | Matsushita Electric Industrial Co., Ltd. | Transmitter power varying device having a bypass line for a power amplifier |
US5926749A (en) | 1996-03-29 | 1999-07-20 | Alps Electric Co., Ltd. | Amplifier circuit having common AGC to IF and RF amplifiers for use in a transmitter |
US5926750A (en) | 1996-04-09 | 1999-07-20 | Nec Corporation | Receiver |
US5953641A (en) | 1995-12-22 | 1999-09-14 | Alcatel Mobile Phones | Multimode radio communication terminal |
US5955992A (en) | 1998-02-12 | 1999-09-21 | Shattil; Steve J. | Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
US5963852A (en) | 1997-03-24 | 1999-10-05 | Ericsson Inc. | Dual band mobile station |
US6009119A (en) | 1997-03-25 | 1999-12-28 | Intermec Ip Corp. | Adaptive power leveling of an RF transceiver utilizing information stored in non-volatile memory |
US6009126A (en) | 1996-09-06 | 1999-12-28 | U.S. Philips Corporation | Zero-IF receiver |
US6018553A (en) | 1996-09-18 | 2000-01-25 | Wireless Access | Multi-level mixer architecture for direct conversion of FSK signals |
US6029058A (en) | 1996-07-19 | 2000-02-22 | The Board Of Trustee Of The Leland Stanford Junior University | Spectrum control for direct conversion radio frequency reception |
US6028850A (en) | 1998-07-10 | 2000-02-22 | Hyundai Electronics America, Inc. | Wireless transceiver and frequency plan |
US6049722A (en) | 1994-09-13 | 2000-04-11 | Kabushiki Kaisha Toshiba | Radio communication apparatus for use in dual-mode radio communication system and having factor variable control means dependent on the set mode |
US6054887A (en) | 1997-07-09 | 2000-04-25 | Denso Corporation | Offset voltage correction circuit |
US6075996A (en) | 1996-11-28 | 2000-06-13 | Samsung Electronics Co., Ltd. | Intermediate frequency selecting device for use in dual band cellular telephone and method thereof |
US6081697A (en) | 1997-03-21 | 2000-06-27 | Telefonaktiebolaget Lm Ericsson | Multi-carrier radio system and radio transceiver implementation |
US6085075A (en) | 1997-12-05 | 2000-07-04 | U.S. Philips Corporation | Communication system, a communication device and a frequency synthesizer |
US6125268A (en) | 1997-11-19 | 2000-09-26 | Ericsson Inc. | Tuning bandwidth minimization for low voltage dual band receiver |
US6134452A (en) | 1998-11-23 | 2000-10-17 | Motorola, Inc. | Multiple band mixer with common local oscillator |
US6151354A (en) | 1997-12-19 | 2000-11-21 | Rockwell Science Center | Multi-mode, multi-band, multi-user radio system architecture |
US6163710A (en) | 1997-10-20 | 2000-12-19 | Ericsson, Inc. | Method and apparatus for compliance to multiple frequency plans |
US6167245A (en) | 1998-05-29 | 2000-12-26 | Silicon Laboratories, Inc. | Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications |
US6169733B1 (en) | 1997-05-12 | 2001-01-02 | Northern Telecom Limited | Multiple mode capable radio receiver device |
US6188877B1 (en) | 1997-07-03 | 2001-02-13 | Ericsson Inc. | Dual-band, dual-mode power amplifier with reduced power loss |
US6194947B1 (en) | 1998-07-24 | 2001-02-27 | Global Communication Technology Inc. | VCO-mixer structure |
US6208875B1 (en) | 1998-04-08 | 2001-03-27 | Conexant Systems, Inc. | RF architecture for cellular dual-band telephones |
US6215988B1 (en) | 1997-05-15 | 2001-04-10 | Nokia Mobile Phones, Ltd. | Dual band architectures for mobile stations |
US6243569B1 (en) | 1998-08-12 | 2001-06-05 | Analog Devices, Inc. | Direct conversion circuit for radio frequency signals |
US6256511B1 (en) | 1996-02-16 | 2001-07-03 | Nortel Network Limited | Dual-mode radio architecture |
US6269253B1 (en) | 1997-09-26 | 2001-07-31 | Matsushita Electric Industrial Co., Ltd. | Multi-mode wireless communication system |
US6278864B1 (en) | 1995-04-20 | 2001-08-21 | Fujitsu Limited (Japan) | Radio tranceiver for data communications |
US6282184B1 (en) | 1997-12-22 | 2001-08-28 | Nortel Networks Limited | Common digitizing rate for multiple air interfaces for generic cell sites in cellular radio |
US6298226B1 (en) | 1998-11-30 | 2001-10-02 | Conexant Systems, Inc. | Receiver for RF signals |
US6308050B1 (en) | 1998-03-23 | 2001-10-23 | Motorola, Inc. | Dual band mobile phone using the same intermediate frequency for both bands |
US6337976B1 (en) | 1997-12-18 | 2002-01-08 | Nec Corporation | Selective-calling radio receiver using direct conversion method |
US6356746B1 (en) | 1998-07-24 | 2002-03-12 | Matsushita Electric Industrial Co., Ltd. | Direct converting receiver |
US6366765B1 (en) | 1998-03-30 | 2002-04-02 | Hitachi Kokusai Electric Inc. | Receiver |
US6366622B1 (en) | 1998-12-18 | 2002-04-02 | Silicon Wave, Inc. | Apparatus and method for wireless communications |
US6411646B1 (en) | 1998-06-30 | 2002-06-25 | Conexant Systems, Inc. | Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone |
US6415001B1 (en) | 1998-12-01 | 2002-07-02 | Conexant Systems, Inc. | System and process for shared frequency source multi-band transmitters and receivers |
US6434401B1 (en) | 1998-11-13 | 2002-08-13 | Sagem Sa | Method for the setting of a multiband mobile telephony transmitter-receiver and mobile telephone thus obtained |
US6438462B1 (en) | 1996-03-26 | 2002-08-20 | Daimlerchrysler Ag | Semiconductor circuit for an electronic unit |
US6449264B1 (en) | 1997-11-18 | 2002-09-10 | Nokia Mobile Phones Limited | Radio transceiver with two frequency bands |
US6484042B1 (en) | 1999-08-25 | 2002-11-19 | Skyworks Solutions, Inc. | Secondary automatic gain control loops for direct conversion CDMA receivers |
US6510310B1 (en) | 1998-01-26 | 2003-01-21 | Conexant Systems, Inc. | Dual mode phone architecture utilizing a single transmit-receive switch |
US6516023B1 (en) | 1996-11-06 | 2003-02-04 | Nera Asa | System and method of downconversion where the received signal is downconverted |
US6535561B2 (en) | 1997-11-17 | 2003-03-18 | Ericsson Inc. | Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and DC offset compensation |
US6535499B1 (en) | 1998-02-27 | 2003-03-18 | Fujitsu Limited | Multi-mode communication device |
US6535748B1 (en) | 1998-05-27 | 2003-03-18 | Nokia Mobile Phones Ltd. | Wireless communication transceiver having a dual mode of operation |
US6584090B1 (en) | 1999-04-23 | 2003-06-24 | Skyworks Solutions, Inc. | System and process for shared functional block CDMA and GSM communication transceivers |
US6584305B1 (en) | 1997-05-13 | 2003-06-24 | Matsushita Electric Industrial Co., Ltd. | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band |
US6600911B1 (en) | 1998-09-30 | 2003-07-29 | Mitsubishi Denki Kabushiki Kaisha | Even harmonic direct-conversion receiver, and a transmitting and receiving apparatus using the same |
US6621853B1 (en) | 1998-08-28 | 2003-09-16 | Samsung Electronics Co., Ltd. | Frequency synthesizing device and method for dual frequency hopping with fast lock time |
US6697606B1 (en) | 1997-11-06 | 2004-02-24 | Koninklijke Philips Electronics N.V. | Transceiver and a telecommunication system having a transceiver |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6826237B1 (en) | 1998-09-30 | 2004-11-30 | Koninklijke Philips Electronics N.V. | Radio transmitter |
US6954624B2 (en) | 2000-09-12 | 2005-10-11 | Nokia Mobile Phones Ltd. | Transmitter and wireless communication device having a low power bypass branch |
US7065327B1 (en) | 1998-09-10 | 2006-06-20 | Intel Corporation | Single-chip CMOS direct-conversion transceiver |
US7082293B1 (en) | 1999-10-21 | 2006-07-25 | Broadcom Corporation | Adaptive radio transceiver with CMOS offset PLL |
US20060178165A1 (en) * | 2004-04-09 | 2006-08-10 | Iason Vassiliou | Modified dual band direct conversion architecture that allows extensive digital calibration |
US20080176523A1 (en) * | 2007-01-19 | 2008-07-24 | Nextwave Broadband Inc. | Wireless Transceiver with Reduced Transmit Emissions |
US7415247B1 (en) | 1998-11-26 | 2008-08-19 | Nokia Corporation | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US7672645B2 (en) | 2006-06-15 | 2010-03-02 | Bitwave Semiconductor, Inc. | Programmable transmitter architecture for non-constant and constant envelope modulation |
US8102929B2 (en) | 2009-02-12 | 2012-01-24 | Qualcomm Incorporated | Low power ultra wideband transceiver |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311592A (en) * | 1986-06-11 | 1994-05-10 | Mcdonnell Douglas Corporation | Sagnac interferometer based secure communication system |
JPH0357528A (en) | 1989-07-21 | 1991-03-12 | Sakamura Kikai Seisakusho:Kk | Manufacture of mouth piece for gas welding and its apparatus |
-
1998
- 1998-11-26 FI FI982559A patent/FI112741B/en not_active IP Right Cessation
-
1999
- 1999-11-25 CN CNB998138223A patent/CN1192499C/en not_active Expired - Lifetime
- 1999-11-25 US US09/856,746 patent/US7415247B1/en not_active Expired - Fee Related
- 1999-11-25 WO PCT/FI1999/000974 patent/WO2000031885A1/en active Application Filing
- 1999-11-25 EP EP99958211A patent/EP1133831B1/en not_active Expired - Lifetime
- 1999-11-25 DE DE69942878T patent/DE69942878D1/en not_active Expired - Lifetime
- 1999-11-25 JP JP2000584607A patent/JP2002530995A/en active Pending
- 1999-11-25 AU AU15628/00A patent/AU1562800A/en not_active Abandoned
-
2006
- 2006-11-30 US US11/565,339 patent/US20070213025A1/en not_active Abandoned
-
2008
- 2008-06-10 US US12/136,465 patent/US8768408B2/en not_active Expired - Fee Related
-
2012
- 2012-09-13 US US13/614,272 patent/US8755834B2/en not_active Expired - Fee Related
-
2014
- 2014-05-07 US US14/272,191 patent/US8838049B1/en not_active Expired - Fee Related
- 2014-05-08 US US14/272,820 patent/US9270301B2/en not_active Expired - Fee Related
-
2016
- 2016-02-22 US US15/049,786 patent/US20170019129A1/en not_active Abandoned
Patent Citations (164)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254504A (en) | 1978-08-08 | 1981-03-03 | International Telephone And Telegraph Corporation | Control apparatus for a transceiver employing a programmable memory |
US4395776A (en) | 1979-09-27 | 1983-07-26 | Toyo Communication Equipment Co., Ltd. | Transmitter having a phase synchronizing system |
US4731796A (en) | 1984-10-25 | 1988-03-15 | Stc, Plc | Multi-mode radio transceiver |
US4768187A (en) | 1985-07-08 | 1988-08-30 | U.S. Philips Corp. | Signal transmission system and a transmitter and a receiver for use in the system |
US4870699A (en) | 1986-03-26 | 1989-09-26 | General Electric Company | Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device |
JPH0759162B2 (en) | 1986-04-26 | 1995-06-28 | 三菱化学ビーエーエスエフ株式会社 | Vegetation |
US4736390A (en) | 1986-10-15 | 1988-04-05 | Itt Avionics, A Division Of Itt Corporation | Zero IF radio receiver apparatus |
US4761798A (en) | 1987-04-02 | 1988-08-02 | Itt Aerospace Optical | Baseband phase modulator apparatus employing digital techniques |
GB2215945A (en) | 1988-03-26 | 1989-09-27 | Stc Plc | Digital direct conversion radio |
US4972455A (en) | 1989-06-23 | 1990-11-20 | Motorola, Inc. | Dual-bandwidth cellular telephone |
US5187809A (en) | 1990-08-24 | 1993-02-16 | Motorola, Inc. | Dual mode automatic gain control |
US5796772A (en) | 1991-05-13 | 1998-08-18 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
US5291516A (en) | 1991-05-13 | 1994-03-01 | Omnipoint Data Company, Inc. | Dual mode transmitter and receiver |
US5694414A (en) | 1991-05-13 | 1997-12-02 | Omnipoint Corporation | Multi-band, multi-mode spread-spectrum communication system |
WO1992021195A1 (en) | 1991-05-13 | 1992-11-26 | Omnipoint Corporation | Dual mode transmitter and receiver |
JPH0575495A (en) | 1991-09-11 | 1993-03-26 | Hitachi Ltd | Mobile communication equipment |
US5519885A (en) | 1991-11-05 | 1996-05-21 | Nokia Mobile Phones Ltd. | Method to generate different frequency signals in a digital radio telephone |
US5574985A (en) | 1992-02-14 | 1996-11-12 | Nokia Telecommunications Oy | Radio transmitter receiver for operation in plural radio systems having unequal bands of operating frequencies represented by channel numbers |
US5483691A (en) | 1992-06-08 | 1996-01-09 | Motorola, Inc. | Zero intermediate frequency receiver having an automatic gain control circuit |
EP0581573A1 (en) | 1992-07-28 | 1994-02-02 | Nokia Mobile Phones Ltd. | Universal radio telephone |
EP0581572A1 (en) | 1992-07-31 | 1994-02-02 | Nokia Mobile Phones Ltd. | Method and system for frequency converting |
US5557642A (en) | 1992-08-25 | 1996-09-17 | Wireless Access, Inc. | Direct conversion receiver for multiple protocols |
EP0599409A2 (en) | 1992-11-26 | 1994-06-01 | Koninklijke Philips Electronics N.V. | A direct conversion receiver |
US5438692A (en) | 1992-11-26 | 1995-08-01 | U.S. Philips Corporation | Direct conversion receiver |
US5584068A (en) | 1992-11-26 | 1996-12-10 | U.S. Philips Corporation | Direct conversion receiver |
JPH06188781A (en) | 1992-12-21 | 1994-07-08 | Toshiba Corp | Dual mode radio communication device |
JPH06260961A (en) | 1993-03-04 | 1994-09-16 | Kyocera Corp | Digital mobile telephone set |
EP0631400A1 (en) | 1993-06-25 | 1994-12-28 | Alcatel Mobile Communication France | Portable transmitting and receiving device for two-mode digital signals |
US5564076A (en) | 1993-06-25 | 1996-10-08 | Alcatel Mobile Communication France | Portable digital signal transceiver providing communication via a terrestrial network and via a satellite network |
EP0633674A2 (en) | 1993-07-06 | 1995-01-11 | Mitsubishi Denki Kabushiki Kaisha | Radio-transceiver with means for reducing interference |
US5548825A (en) | 1993-07-06 | 1996-08-20 | Mitsubishi Denki Kabushiki Kaisha | Radio transmitter with active band-pass filtering |
EP0653851A2 (en) | 1993-11-12 | 1995-05-17 | Philips Patentverwaltung GmbH | Multiband radio transceiver |
US5590412A (en) | 1993-11-19 | 1996-12-31 | Sanyo Electric Co., Ltd. | Communication apparatus using common amplifier for transmission and reception |
GB2287144A (en) | 1994-02-23 | 1995-09-06 | Motorola Israel Ltd | A radio device |
US5465409A (en) | 1994-03-07 | 1995-11-07 | Motorola, Inc. | Radio architecture with dual frequency source selection |
US5511235A (en) | 1994-05-02 | 1996-04-23 | Motorola, Inc. | Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor |
JPH10504698A (en) | 1994-08-18 | 1998-05-06 | オムニポイント・コーポレイション | Multi-band, multi-mode broadband communication system |
JPH09506492A (en) | 1994-09-10 | 1997-06-24 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Microwave transmitter and communication system |
US6049722A (en) | 1994-09-13 | 2000-04-11 | Kabushiki Kaisha Toshiba | Radio communication apparatus for use in dual-mode radio communication system and having factor variable control means dependent on the set mode |
CN1148444A (en) | 1994-09-14 | 1997-04-23 | 菲利浦电子有限公司 | Radio transmission system and a radio apparatus for use in such system |
US5751249A (en) | 1994-09-14 | 1998-05-12 | U.S. Philips Corporation | Radio transmission system and a radio apparatus for use in such a system |
US5758266A (en) | 1994-09-30 | 1998-05-26 | Qualcomm Incorporated | Multiple frequency communication device |
US5722053A (en) | 1994-09-30 | 1998-02-24 | Qualcomm Incorporated | Multiple frequency communication device |
JPH08316789A (en) | 1994-11-01 | 1996-11-29 | Motorola Inc | Dsp coprocessor used on integrated circuit for executing multiplex communication task |
JPH08293815A (en) | 1994-11-01 | 1996-11-05 | Motorola Inc | Coprocessor performing plurality of communication task on integrated circuit |
US5819165A (en) | 1994-11-14 | 1998-10-06 | Nokia Mobile Phones Ltd. | System for regulating the power output of and linearizing the transmission signal from a radio transmitter |
US5642378A (en) | 1994-11-17 | 1997-06-24 | Denheyer; Brian John | Dual mode analog and digital cellular phone |
US5757858A (en) | 1994-12-23 | 1998-05-26 | Qualcomm Incorporated | Dual-mode digital FM communication system |
US5734970A (en) | 1995-02-08 | 1998-03-31 | Sony Corporation | Single oscillator transceiver with multiple frequency converters |
US5752169A (en) | 1995-03-14 | 1998-05-12 | Sony Corporation | Integrated circuit and transmitter/receiver |
US6278864B1 (en) | 1995-04-20 | 2001-08-21 | Fujitsu Limited (Japan) | Radio tranceiver for data communications |
US5822366A (en) | 1995-04-21 | 1998-10-13 | Nokia Mobile Phones Ltd. | Transceiver and method for generating and processing complex I/Q-signals |
US5758271A (en) | 1995-06-02 | 1998-05-26 | Motorola, Inc. | Apparatus and method for optimizing the quality of a received signal in a radio receiver |
CN1187270A (en) | 1995-06-07 | 1998-07-08 | 科姆萨特公司 | Digital downconverter/despreader for direct sequence spread spectrum CDMA communication system |
WO1997006604A1 (en) | 1995-08-04 | 1997-02-20 | Numa Technologies, Inc. | Universal rf receiver |
JPH09130275A (en) | 1995-08-31 | 1997-05-16 | Sony Corp | Transmitter, gain adjustment method for transmission signal, receiver and gain adjustment method for reception signal |
US5867535A (en) | 1995-08-31 | 1999-02-02 | Northrop Grumman Corporation | Common transmit module for a programmable digital radio |
US5794119A (en) | 1995-11-21 | 1998-08-11 | Stanford Telecommunications, Inc. | Subscriber frequency control system and method in point-to-multipoint RF communication system |
US5909643A (en) | 1995-11-24 | 1999-06-01 | Matsushita Electric Industrial Co., Ltd. | Transmitter power varying device having a bypass line for a power amplifier |
JPH09163450A (en) | 1995-12-04 | 1997-06-20 | Kokusai Electric Co Ltd | Compound terminal equipment for mobile communication |
US5710998A (en) | 1995-12-19 | 1998-01-20 | Motorola, Inc. | Method and apparatus for improved zero intermediate frequency receiver latency |
US5953641A (en) | 1995-12-22 | 1999-09-14 | Alcatel Mobile Phones | Multimode radio communication terminal |
EP0782358A2 (en) | 1995-12-29 | 1997-07-02 | Lucent Technologies Inc. | Mobile communicator |
US5786782A (en) | 1996-01-05 | 1998-07-28 | Nokia Mobile Phones Ltd. | Multiplexed signal conversion |
US5825809A (en) | 1996-01-20 | 1998-10-20 | Samsung Electronics Co., Ltd. | Digital filter having an energy level detector for selecting a coefficient |
US5872810A (en) | 1996-01-26 | 1999-02-16 | Imec Co. | Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
US6256511B1 (en) | 1996-02-16 | 2001-07-03 | Nortel Network Limited | Dual-mode radio architecture |
EP0797311A2 (en) | 1996-03-22 | 1997-09-24 | Matsushita Electric Industrial Co., Ltd. | Multiple-band mobile transceiver having a smaller number of local oscillators |
JPH09261104A (en) | 1996-03-25 | 1997-10-03 | Matsushita Electric Ind Co Ltd | Mobile radio equipment operated in plural modes |
US6438462B1 (en) | 1996-03-26 | 2002-08-20 | Daimlerchrysler Ag | Semiconductor circuit for an electronic unit |
DE69736793T2 (en) | 1996-03-29 | 2007-02-01 | Nokia Corp. | A method of generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system, and the use of this method and apparatus in a mobile station |
US5926749A (en) | 1996-03-29 | 1999-07-20 | Alps Electric Co., Ltd. | Amplifier circuit having common AGC to IF and RF amplifiers for use in a transmitter |
EP0798880A2 (en) | 1996-03-29 | 1997-10-01 | Nokia Mobile Phones Ltd. | Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station |
US5983081A (en) | 1996-03-29 | 1999-11-09 | Nokia Mobile Phones, Ltd. | Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station |
DE69737000T2 (en) | 1996-04-01 | 2007-07-05 | Nokia Corp. | Radio transmitter Receiver for sending and receiving MF signals in two bands |
US5896562A (en) * | 1996-04-01 | 1999-04-20 | Nokia Mobile Phones, Ltd. | Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands |
EP0800283A2 (en) | 1996-04-01 | 1997-10-08 | Nokia Mobile Phones Ltd. | Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands |
JPH1032520A (en) | 1996-04-01 | 1998-02-03 | Nokia Mobile Phones Ltd | Transmitter-receiver sending/receiving radio frequency signal for two frequency bands |
US6175746B1 (en) | 1996-04-08 | 2001-01-16 | Matsushita Electric Industrial Co., Ltd. | Multiband mobile unit communication apparatus |
JPH09275358A (en) | 1996-04-08 | 1997-10-21 | Matsushita Electric Ind Co Ltd | Plural-band mobile radio equipment |
GB2312108A (en) | 1996-04-08 | 1997-10-15 | Matsushita Electric Ind Co Ltd | Multiband receiver with grouping of signals with the same modulation type into the same IF |
GB2312107A (en) | 1996-04-08 | 1997-10-15 | Matsushita Electric Ind Co Ltd | Multiband receiver and quadrature demodulator with selectable local oscillator |
US5926750A (en) | 1996-04-09 | 1999-07-20 | Nec Corporation | Receiver |
JPH09312578A (en) | 1996-05-22 | 1997-12-02 | Matsushita Electric Ind Co Ltd | Plural-mode shared transmitting circuit |
EP0809366A2 (en) | 1996-05-24 | 1997-11-26 | Lsi Logic Corporation | A single chip solution for multimedia GSM mobile station systems |
JPH09321691A (en) | 1996-05-28 | 1997-12-12 | Saitama Nippon Denki Kk | Radio telephone equipment |
JP3080879B2 (en) | 1996-05-28 | 2000-08-28 | 埼玉日本電気株式会社 | Wireless telephone equipment |
EP0813312A2 (en) | 1996-06-10 | 1997-12-17 | Matsushita Electric Industrial Co., Ltd. | Multiband mobile unit communication apparatus |
US6014571A (en) | 1996-06-10 | 2000-01-11 | Matsushita Electric Industrial Co., Ltd. | Multiband mobile unit communication apparatus |
DE69735156T2 (en) | 1996-06-10 | 2006-08-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Multi-band communication device |
JPH1065749A (en) | 1996-06-10 | 1998-03-06 | Matsushita Electric Ind Co Ltd | Receiving circuit |
US5732330A (en) | 1996-07-02 | 1998-03-24 | Ericsson Inc. | Dual band transceiver |
JPH1032519A (en) | 1996-07-16 | 1998-02-03 | Nec Corp | Radio communication equipment |
US6029058A (en) | 1996-07-19 | 2000-02-22 | The Board Of Trustee Of The Leland Stanford Junior University | Spectrum control for direct conversion radio frequency reception |
JPH1084583A (en) | 1996-08-02 | 1998-03-31 | Lsi Logic Corp | Multi-frequency radio communication equipment |
US5794159A (en) | 1996-08-07 | 1998-08-11 | Nokia Mobile Phones Limited | Dual band mobile station employing cross-connected transmitter and receiver circuits |
US6006080A (en) | 1996-08-08 | 1999-12-21 | Matsushita Electric Industrial Co., Ltd. | Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands |
EP0823788A2 (en) | 1996-08-08 | 1998-02-11 | Matsushita Electric Industrial Co., Ltd. | Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands |
US6009126A (en) | 1996-09-06 | 1999-12-28 | U.S. Philips Corporation | Zero-IF receiver |
JPH1093475A (en) | 1996-09-17 | 1998-04-10 | Toshiba Corp | Composite system shared terminal equipment |
US6018553A (en) | 1996-09-18 | 2000-01-25 | Wireless Access | Multi-level mixer architecture for direct conversion of FSK signals |
US6516023B1 (en) | 1996-11-06 | 2003-02-04 | Nera Asa | System and method of downconversion where the received signal is downconverted |
US6075996A (en) | 1996-11-28 | 2000-06-13 | Samsung Electronics Co., Ltd. | Intermediate frequency selecting device for use in dual band cellular telephone and method thereof |
JPH10224250A (en) | 1997-01-31 | 1998-08-21 | Nokia Mobile Phones Ltd | Method for processing signal received in communication system and circuit device thereof |
JPH10242882A (en) | 1997-02-19 | 1998-09-11 | Motorola Inc | Method and device for receiving communication signal |
US6081697A (en) | 1997-03-21 | 2000-06-27 | Telefonaktiebolaget Lm Ericsson | Multi-carrier radio system and radio transceiver implementation |
DE19712161A1 (en) | 1997-03-22 | 1998-09-24 | Lucent Tech Network Sys Gmbh | Device for pulse shaping high-frequency signals |
US5963852A (en) | 1997-03-24 | 1999-10-05 | Ericsson Inc. | Dual band mobile station |
US6009119A (en) | 1997-03-25 | 1999-12-28 | Intermec Ip Corp. | Adaptive power leveling of an RF transceiver utilizing information stored in non-volatile memory |
US5894592A (en) | 1997-04-17 | 1999-04-13 | Motorala, Inc. | Wideband frequency synthesizer for direct conversion transceiver |
US6169733B1 (en) | 1997-05-12 | 2001-01-02 | Northern Telecom Limited | Multiple mode capable radio receiver device |
US6584305B1 (en) | 1997-05-13 | 2003-06-24 | Matsushita Electric Industrial Co., Ltd. | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band |
US6215988B1 (en) | 1997-05-15 | 2001-04-10 | Nokia Mobile Phones, Ltd. | Dual band architectures for mobile stations |
EP0878974A1 (en) | 1997-05-16 | 1998-11-18 | Italtel s.p.a. | Communication method and a base transceiver station for a mobile radio communication system |
WO1998053625A1 (en) | 1997-05-16 | 1998-11-26 | Italtel S.P.A. | Solely digital base station and digital beamforming for mobile radio systems |
US6029052A (en) | 1997-07-01 | 2000-02-22 | Telefonaktiebolaget Lm Ericsson | Multiple-mode direct conversion receiver |
WO1999001933A2 (en) | 1997-07-01 | 1999-01-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Multiple mode direct conversion receiver |
US6188877B1 (en) | 1997-07-03 | 2001-02-13 | Ericsson Inc. | Dual-band, dual-mode power amplifier with reduced power loss |
US6054887A (en) | 1997-07-09 | 2000-04-25 | Denso Corporation | Offset voltage correction circuit |
US6269253B1 (en) | 1997-09-26 | 2001-07-31 | Matsushita Electric Industrial Co., Ltd. | Multi-mode wireless communication system |
WO1999017445A1 (en) | 1997-09-29 | 1999-04-08 | Ericsson Inc. | A dual-band, dual-mode power amplifier |
US6163710A (en) | 1997-10-20 | 2000-12-19 | Ericsson, Inc. | Method and apparatus for compliance to multiple frequency plans |
US6697606B1 (en) | 1997-11-06 | 2004-02-24 | Koninklijke Philips Electronics N.V. | Transceiver and a telecommunication system having a transceiver |
US6535561B2 (en) | 1997-11-17 | 2003-03-18 | Ericsson Inc. | Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and DC offset compensation |
US6449264B1 (en) | 1997-11-18 | 2002-09-10 | Nokia Mobile Phones Limited | Radio transceiver with two frequency bands |
US6125268A (en) | 1997-11-19 | 2000-09-26 | Ericsson Inc. | Tuning bandwidth minimization for low voltage dual band receiver |
US6484038B1 (en) | 1997-11-19 | 2002-11-19 | Ericsson Inc. | Method and apparatus for generating a plurality of reference frequencies in a mobile phone using a common crystal reference oscillator |
US6085075A (en) | 1997-12-05 | 2000-07-04 | U.S. Philips Corporation | Communication system, a communication device and a frequency synthesizer |
US6337976B1 (en) | 1997-12-18 | 2002-01-08 | Nec Corporation | Selective-calling radio receiver using direct conversion method |
US6151354A (en) | 1997-12-19 | 2000-11-21 | Rockwell Science Center | Multi-mode, multi-band, multi-user radio system architecture |
US6282184B1 (en) | 1997-12-22 | 2001-08-28 | Nortel Networks Limited | Common digitizing rate for multiple air interfaces for generic cell sites in cellular radio |
US6510310B1 (en) | 1998-01-26 | 2003-01-21 | Conexant Systems, Inc. | Dual mode phone architecture utilizing a single transmit-receive switch |
US5955992A (en) | 1998-02-12 | 1999-09-21 | Shattil; Steve J. | Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
US6535499B1 (en) | 1998-02-27 | 2003-03-18 | Fujitsu Limited | Multi-mode communication device |
US6308050B1 (en) | 1998-03-23 | 2001-10-23 | Motorola, Inc. | Dual band mobile phone using the same intermediate frequency for both bands |
US6366765B1 (en) | 1998-03-30 | 2002-04-02 | Hitachi Kokusai Electric Inc. | Receiver |
US6208875B1 (en) | 1998-04-08 | 2001-03-27 | Conexant Systems, Inc. | RF architecture for cellular dual-band telephones |
US6535748B1 (en) | 1998-05-27 | 2003-03-18 | Nokia Mobile Phones Ltd. | Wireless communication transceiver having a dual mode of operation |
US6167245A (en) | 1998-05-29 | 2000-12-26 | Silicon Laboratories, Inc. | Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications |
US6411646B1 (en) | 1998-06-30 | 2002-06-25 | Conexant Systems, Inc. | Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone |
US6028850A (en) | 1998-07-10 | 2000-02-22 | Hyundai Electronics America, Inc. | Wireless transceiver and frequency plan |
US6356746B1 (en) | 1998-07-24 | 2002-03-12 | Matsushita Electric Industrial Co., Ltd. | Direct converting receiver |
US6194947B1 (en) | 1998-07-24 | 2001-02-27 | Global Communication Technology Inc. | VCO-mixer structure |
US6243569B1 (en) | 1998-08-12 | 2001-06-05 | Analog Devices, Inc. | Direct conversion circuit for radio frequency signals |
US6621853B1 (en) | 1998-08-28 | 2003-09-16 | Samsung Electronics Co., Ltd. | Frequency synthesizing device and method for dual frequency hopping with fast lock time |
US7065327B1 (en) | 1998-09-10 | 2006-06-20 | Intel Corporation | Single-chip CMOS direct-conversion transceiver |
US6600911B1 (en) | 1998-09-30 | 2003-07-29 | Mitsubishi Denki Kabushiki Kaisha | Even harmonic direct-conversion receiver, and a transmitting and receiving apparatus using the same |
US6826237B1 (en) | 1998-09-30 | 2004-11-30 | Koninklijke Philips Electronics N.V. | Radio transmitter |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6434401B1 (en) | 1998-11-13 | 2002-08-13 | Sagem Sa | Method for the setting of a multiband mobile telephony transmitter-receiver and mobile telephone thus obtained |
US6134452A (en) | 1998-11-23 | 2000-10-17 | Motorola, Inc. | Multiple band mixer with common local oscillator |
US8768408B2 (en) * | 1998-11-26 | 2014-07-01 | Nokia Corporation | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US7415247B1 (en) | 1998-11-26 | 2008-08-19 | Nokia Corporation | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
US6298226B1 (en) | 1998-11-30 | 2001-10-02 | Conexant Systems, Inc. | Receiver for RF signals |
US6415001B1 (en) | 1998-12-01 | 2002-07-02 | Conexant Systems, Inc. | System and process for shared frequency source multi-band transmitters and receivers |
US6366622B1 (en) | 1998-12-18 | 2002-04-02 | Silicon Wave, Inc. | Apparatus and method for wireless communications |
US6584090B1 (en) | 1999-04-23 | 2003-06-24 | Skyworks Solutions, Inc. | System and process for shared functional block CDMA and GSM communication transceivers |
US6484042B1 (en) | 1999-08-25 | 2002-11-19 | Skyworks Solutions, Inc. | Secondary automatic gain control loops for direct conversion CDMA receivers |
US7082293B1 (en) | 1999-10-21 | 2006-07-25 | Broadcom Corporation | Adaptive radio transceiver with CMOS offset PLL |
US6954624B2 (en) | 2000-09-12 | 2005-10-11 | Nokia Mobile Phones Ltd. | Transmitter and wireless communication device having a low power bypass branch |
US20060178165A1 (en) * | 2004-04-09 | 2006-08-10 | Iason Vassiliou | Modified dual band direct conversion architecture that allows extensive digital calibration |
US7672645B2 (en) | 2006-06-15 | 2010-03-02 | Bitwave Semiconductor, Inc. | Programmable transmitter architecture for non-constant and constant envelope modulation |
US20080176523A1 (en) * | 2007-01-19 | 2008-07-24 | Nextwave Broadband Inc. | Wireless Transceiver with Reduced Transmit Emissions |
US8102929B2 (en) | 2009-02-12 | 2012-01-24 | Qualcomm Incorporated | Low power ultra wideband transceiver |
Non-Patent Citations (47)
Title |
---|
Abidi, A.A., Direct Conversion Radio Transceivers for Digital Communications, Dept. of Electr. Eng., California Univ., Los Angeles, CA; Publication date Dec. 1995, pp. 1339-1410, vol. 30, No. 12. |
B. Gilbert, "A Precise Four-Quadrant Multiplier with Subnanosecond Response," IEEE Journal Solid-State Circuits, Dec. 1968. |
Beckwith, B., "Dual Band Integrated Power Amplifier with Switchable Interstage Match", Motorola, Jun. 1997, pp. 84-85. |
Behzad Razavi, RF Microelectronics, 1998, Prentice Halls, Inc., 10th Edition, pp. 150-153. |
Complainant's Nokia Corporation, Nokia Inc., and Intellisync Corporation Opening Claim Construction Brief, Investigation No. 337-TA-847, executed Dec. 20, 2012, 106 pages. |
Complainants' Nokia Corporation, Nokia Inc., and Intellisync Corporation Post-Markman-Hearing Brief, Investigation No. 337-TA-847, executed Feb. 13, 2013, 49 pages. |
Complainants' Nokia Corporation, Nokia Inc., and Intellisync Corporation Responsive Claim Construction Brief, Investigation No. 337-TA-847, executed Jan. 8, 2013, 48 pages. |
Complaint, HTC with English translation, dated May 2, 2012, 92 pages. |
De Response to Nullity Action as filed, dated Oct. 7, 2013, with English translation, 91 pages. |
Defendant/Counteraction Claimant's Response to Claimant/Counteraction Defendant's Notice to Admit Facts dated Mar. 27, 2013, HTC Corporation and Nokia Corporation, 9 pages. |
Document HTC115, HTC Europe Co. Ltd./Nokia Corporation, dated Jan. 17, 2013, 30 pages (HL4). |
Document HTC115, HTC Europe Co. Ltd./Nokia Corporation, dated Nov. 15, 2013, 36 pages. (HL24). |
Document, Samson & Partner, HTC Europe Co. Ltd. and Nokia Corporation, dated Oct. 7, 2013, 47 pages, German language (K94). |
Expert Report of James Arthur Crawford, HTC Corporation and Nokia Corporation, executed Jul. 24, 2013, 86 pages. |
Fernandez-Duran, A., et al., "Zero-IF Receiver Architecture for Multistandard Compatible Radio Systems. GIRAFE Project", IEEE 1996, pp. 1052-1056. |
Final Expert Report of Professor Bram Nauta (Patents and Prior Art), HTC Corporation and Nokia Corporation, executed Jul. 5, 2013, 106 pages. |
Final Reply Report of Professor Bram Nauta (Patents and Prior Art), HTC Corporation and Nokia Corporation, executed Jul. 25, 2013, 18 pages. |
Gray, P.R., Meyer, R.G., Future Directions in Silicon ICS for RF Personal Communications, Dept. of Electr. Eng. & Comput. Sci., California University, Berkeley, CA; Publication Date May 14, 1995, pp. 83-90. |
Grounds of Invalidity, HTC Corporation and Nokia Corporation, executed May 17, 2012, 2 pages. |
Hanusch, T., et al., "Analog Baseband-IC for Dual Mode Direct Conversion receiver", Proc. ESSCIRC., Sep. 1996, pp. 244-249. |
HTC Corporation and Nokia Corporation, Grounds of Invalidity, Claim No. HC12 F02047, executed May 17, 2012, 2 pages. |
HTC Reply with English Translation dated Nov. 15, 2013, 71 pages. |
International Organisation for Standardisation Organisation Interntionale de Normalisation, ISO/IEC JTC/SC29/WG11, Coding of Moving Pictures and Associated Audio, N0801, Information Technology-Generic Coding of Moving Pictures and Associated Audio: Systems, Recommendation H.222.0, ISO/IEC 13818-1, draft of 1540 Sun Nov. 13, 1994, 161 pages. |
Kuo, C., "Multi-Standard DSP Based Wireless System", ICSP'98 Conference, vol. II of II, Oct. 12-16, 1998, pp. 1712-1728. |
MC 1496 Datasheet, Motorola, Balanced Modulators/Demodulators, 1996, 12 pages. |
Nguyen, C.T.-C., "Communications Applications of Microelectromechanical Systems", Proceedings, 1998 Sensors Expo, May 19-21, 1998, pp. 447-455. |
Nullity Complaint HTC Europe Co. Ltd. v. Nokia Corporation Re: EP1133831 (DE69942878.5), dated Jan. 17, 2013, with English translation, 59 pages. |
Order No. 8: Construing Terms of the Asserted Patents, In the Matter of Certain Electronic Devices, Including Mobile Phones and Tablet Computers, and Components Thereof, Investigation No. 337-TA-847, dated Mar. 21, 2013, 84 pages. |
Order No. 9: Errata, In the Matter of Certain Electronic Devices, Including Mobile Phones and Tablet Computers, and Components Thereof, Investigation No. 337-TA-847, dated Mar. 25, 2013, 3 pages. |
Proof of Publication date (Nov. 6, 1997) of book Razavi, Behzad, RF Microelectronics, Prentice Hall, 1st Edition by amazon.com under product detail section, and paper of when it was received by USPTO (Nov. 23, 1998). |
Public Version of Initial Determination on Violation of Section 337 and Recommended Determination on Remedy and Bond, In the Matter of Certain Electronic Devices, Including Mobile Phones and Tablet Computers, and Components, Thereof, Investion No. 337-TA-847, dated Sep. 23, 2013, 239 pages. |
Rejoinder EP1133831 B1, Bird & Bird LLP v. Hogan Lovells International LLP, document dated Nov. 15, 2013, 87 pages. |
Replik LG Dusseldorf, dated Jun. 7, 2013, with English translation, 49 pages (redacted). (71 pages not redacted). |
Respondents HTC Corp. and HTC America, Inc.'s Responsive Claim Construction Brief, Investigation No. 337-TA-847, executed Jan. 8, 2013, 42 pages. |
Respondents Htc Corp. and HTC America, Inc's Opening Claim Construction Brief, Investigation No. 337-Ta-847, executed Dec. 20, 2012, 63 pages. |
Respondents HTC Corp. and HTC America, Inc's Supplemental Claim Construction Brief, Investigation No. 337-TA-847, executed Feb. 13, 2013, 43 pages. |
RF CASE/CASE 1, HTC's Statements of Case on Validity on EP(UK) 0 998 024 and EP(UK) 1 133 831, HTC Corporation and Nokia Corporation, 6 pages, executed Jan. 14, 2013. |
Sergio Graffi, et al., "New Macromodels and Measurements for the Analysis of EMI Effects in 741 Op-Amp Circuits," IEEE Trans. on Electromagnetic Compatiblity, Feb. 1991. |
Summons to Appear Before the Tribunal De Grande Instance de Paris, Sep. 2013, with English translation, 134 pages. |
Tham, J.L., e t al., "A 2.7V 900MHz/1.96GHz Dual-Band Transceiver IC for Digital Wireless Communication", IEEE CICC 1998 Conference, pp. 559-569. |
Tham, J.L., et al., "A Direct-Conversion Transceiver Chip Set for 900 MHz (ISM Band) Spread-Spectrum Digital Cordless Telephone", ISCAS 1996 Conference, May 12-15, vol. 4, 1996, pp. 85-88. |
Translation Statement of Defence Regional Court Dusseldorf, Hogan Lovells, dated Jan. 18, 2013, 26 pages. (redacted). (41 pages not redacted). |
U.S. District Court, District of Delaware (Wilmington), Civil Docket for Case #: 1:12-cv-00549-LPS, Nokia Corporation et al v. HTC Corporation et al, Jul. 2, 2012, 2 pages. |
U.S. International Trade Commission, Docket Report of 337-TA-847, found at , 8 pages, Jul. 2, 2012. |
U.S. International Trade Commission, Docket Report of 337-TA-847, found at <https://edis.usitc.gov/edis3-external/direct.svc>, 8 pages, Jul. 2, 2012. |
UK Revocation action, HTC Corporation v. Nokia Corporation, Claim No. He12F02047 issued May 17, 2012, 50 pages. |
Weidong, et al., "Software Radio: Technology & Implementation", ICCT'98. |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190253126A1 (en) * | 2017-10-17 | 2019-08-15 | Carnegie Mellon University | Reconfigurable Hybrid Beamforming MIMO Receiver with Inter-Band Carrier Aggregation and RF-Domain LMS Weight Adaptation |
US10707947B2 (en) * | 2017-10-17 | 2020-07-07 | Carnegie Mellon University | Reconfigurable hybrid beamforming MIMO receiver with inter-band carrier aggregation and RF-domain LMS weight adaptation |
US10886999B2 (en) | 2017-10-17 | 2021-01-05 | Carnegie Mellon University | Reconfigurable hybrid beamforming MIMO receiver with inter-band carrier aggregation and RF-domain LMS weight adaptation |
US11569897B2 (en) | 2017-10-17 | 2023-01-31 | Carnegie Mellon University | Scalable, multi-layer MIMO transceiver |
US10951295B2 (en) | 2018-10-17 | 2021-03-16 | Carnegie Mellon University | Reconfigurable fully-connected bidirectional hybrid beamforming transceiver |
WO2023075129A1 (en) * | 2021-10-29 | 2023-05-04 | 삼성전자 주식회사 | Electronic device comprising duplexers comprising filters having properties which are adaptively changeable according to state |
Also Published As
Publication number | Publication date |
---|---|
WO2000031885A1 (en) | 2000-06-02 |
US8755834B2 (en) | 2014-06-17 |
EP1133831B1 (en) | 2010-10-20 |
US20130012142A1 (en) | 2013-01-10 |
US20150094001A1 (en) | 2015-04-02 |
US20090135781A1 (en) | 2009-05-28 |
US20170019129A1 (en) | 2017-01-19 |
CN1192499C (en) | 2005-03-09 |
DE69942878D1 (en) | 2010-12-02 |
US8768408B2 (en) | 2014-07-01 |
US8838049B1 (en) | 2014-09-16 |
AU1562800A (en) | 2000-06-13 |
FI112741B (en) | 2003-12-31 |
FI982559A (en) | 2000-05-27 |
JP2002530995A (en) | 2002-09-17 |
FI982559A0 (en) | 1998-11-26 |
CN1328723A (en) | 2001-12-26 |
US7415247B1 (en) | 2008-08-19 |
US20070213025A1 (en) | 2007-09-13 |
EP1133831A1 (en) | 2001-09-19 |
US20140242929A1 (en) | 2014-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9270301B2 (en) | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | |
EP0541305B1 (en) | A method to generate different frequency signals in a digital radio telephone | |
US5974305A (en) | Dual band architectures for mobile stations | |
EP0581573B1 (en) | Universal radio telephone | |
JP4484321B2 (en) | Transceiver | |
US6766178B1 (en) | RF architecture for cellular multi-band telephones | |
EP1184970B1 (en) | Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer | |
US6415001B1 (en) | System and process for shared frequency source multi-band transmitters and receivers | |
US6735426B1 (en) | Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits | |
EP0678974A2 (en) | A transmitter and/or receiver | |
GB2310342A (en) | Dual mode radio transceiver front end | |
EP0798880A2 (en) | Method for generating frequencies in a direct conversion transceiver of a dual band radio communication system, a direct conversion transceiver of a dual band radio communication system and the use of this method and apparatus in a mobile station | |
JPH09261106A (en) | Mobile radio equipment operated for plural frequency bands | |
US6754508B1 (en) | Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits | |
JP2000101470A (en) | Radio receiver | |
KR20040032890A (en) | Multi-band transceivers with reduced frequency sources for digital transmissions | |
JP3010622B1 (en) | Dual band transceiver | |
JPH11355138A (en) | Pll circuit and radio communication terminal equipment using the same | |
KR20020069948A (en) | Tranceiver of mobile communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NOKIA CORPORATION, FINLAND Free format text: MERGER;ASSIGNOR:NOKIA MOBILE PHONES, LTD.;REEL/FRAME:033352/0315 Effective date: 20011001 Owner name: NOKIA MOBILE PHONES LTD., FINLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VAISANEN, RISTO;KALTIOKALLIO, KIM;REEL/FRAME:033352/0258 Effective date: 20010515 |
|
AS | Assignment |
Owner name: NOKIA TECHNOLOGIES OY, FINLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NOKIA CORPORATION;REEL/FRAME:034840/0740 Effective date: 20150116 |
|
AS | Assignment |
Owner name: NOKIA CORPORATION, FINLAND Free format text: MERGER;ASSIGNOR:NOKIA MOBILE PHONES LTD;REEL/FRAME:035163/0184 Effective date: 20090911 Owner name: NOKIA TECHNOLOGIES OY, FINLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NOKIA CORPORATION;REEL/FRAME:035163/0292 Effective date: 20150116 Owner name: NOKIA MOBILE PHONES LTD., FINLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VAISANEN, RISTO;KALTIOKALLIO, KIM;REEL/FRAME:035163/0101 Effective date: 20010515 |
|
ZAAA | Notice of allowance and fees due |
Free format text: ORIGINAL CODE: NOA |
|
ZAAB | Notice of allowance mailed |
Free format text: ORIGINAL CODE: MN/=. |
|
ZAAA | Notice of allowance and fees due |
Free format text: ORIGINAL CODE: NOA |
|
ZAAB | Notice of allowance mailed |
Free format text: ORIGINAL CODE: MN/=. |
|
ZAAA | Notice of allowance and fees due |
Free format text: ORIGINAL CODE: NOA |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
CC | Certificate of correction | ||
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |
|
FEPP | Fee payment procedure |
Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
LAPS | Lapse for failure to pay maintenance fees |
Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20240223 |