00000
`
`a2) United States Patent
`US 7,110,444 B1
`qo) Patent No.:
`Sorrells et al.
`Sep. 19, 2006
`(45) Date of Patent:
`
`(54)
`
`(75)
`
`WIRELESS LOCAL AREA NETWORK
`(WLAN) USING UNIVERSAL FREQUENCY
`TRANSLATION TECHNOLOGY INCLUDING
`MULTI-PHASE EMBODIMENTS AND
`CIRCUIT IMPLEMENTATIONS
`
`(36)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`
`2,057,613 A
`2,241,078 A
`
`10/1936 Gardner wo. 250/8
`SAO4L Vreeland wee 1791S
`
`Inventors: David F. Sorrells, Middleburg, FI.
`(US), Michael J. Bultman,
`Jacksonville, FL (US); Robert W.
`Cook, Switzerland, FL (US); Richard
`C. Looke, Jacksonville, FL (US);
`Charley D. Moses, Jr., Jacksonville,
`FL (US); Gregory S, Rawlins, Lake
`Mary, FL (US); Michael W. Rawlins,
`Lake Mary, FE (US)
`
`(Continued)
`FOREIGN PATENT DOCUMENTS
`5/1986
`3/1994
`
`35 41 031 Al
`42 37 692 C1
`
`DE
`DE
`
`(Continued)
`OTHER PUBLICATIONS
`
`English Translation of German Patent Publication No. DE
`196 48 915 Al, 10 pp.
`
`(73)
`
`Assignee:
`
`ParkerVision, Inc., Jacksonville, FL
`(US)
`
`(Contimed)
`
`Notice:
`
`Subject to any disclaimer,the termofthis
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 1111 days.
`
`Primary Examiner---Chieh M. Fan
`Assistant Examiner—Kevin Kim
`(74) Attorney, Agent, or Firm-Sterne, Kessler, Goldstein
`& Fox P.L.L.C.
`
`(21)
`
`Appl. No.: 09/632,856
`
`(57)
`
`ABSTRACT
`
`Filed:
`
`Aug. 4, 2000
`
`Related U.S. Application Data
`
`Continuation-in-part of application No. 09/525,615, filed on
`Mar. 14, 2000, and a continuation-in-part of application No.
`09/526,041, filed on Mar, 14, 2000.
`Provisional application No. 60/147,129, filed on Aug: 4,
`1999,
`
`Int. CL
`HOAL 5/16
`
`(2006.01)
`
`UWS. Ch cece 375/222; 375/328; 455/137
`
`Field of Classification Search oo... 375/222,
`375/328, 324, 349; 455/131, 137, 150.1,
`455/189.1, 190.1, 313, 323, 326
`See application file for complete search history.
`
`Frequency translation and applications of the same are
`described herein, including RF modemand wireless local
`area network (WLAN) applications. In embodiments, the
`WLANinventionincludes an antenna, an LNA/PA module,
`a receiver,
`a transmitter, a control signal generator, a
`demodulation/modulation facilitation module, and a MAC
`interface. The WLANreceiverincludes at least one univer-
`sal
`frequency translation module that
`frequency down-
`converts a received EM signal. In embodiments, the UFT
`basedreceiver is configured in a multi-phase embodimentto
`reduce or eliminate re-radiation that is caused by DC offset.
`The WLAN transmitter includes at
`least one universal
`frequency translation module that frequency up-converts a
`baseband signal
`in preparation for transmission over the
`wireless LAN. In embodiments, the UFT based transmitter
`is configured in a differential and multi-phase embodiment
`to reduce carrier insertion and spectral growth.
`
`32 Claims, 349 Drawing Sheets
`
`INTEL 1001
`
`Intel v. ParkerVision
`IPR2020-01265
`Intel 1024
`
`22)
`
` 58)
`
`60)
`
`51)
`
`52)
`
`
`
`
`
`Intel v. ParkerVision
`IPR2020-01265
`Intel 1024
`
`

`

`US 7,110,444 BI
`Page 2
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`

`

`US 7,110,444 BI
`Page 3
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`

`

`US 7,110,444 BI
`Page 4
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`196 27 640
`1/1997
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`6/1998
`197 35 798
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`741998
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`5/1992
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`Q 529 836
`3/1993
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`0 548 542
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`A2
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