Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 1 of 40 PageID #: 11417
`Case 5:19-cv-00036—RWS Document 343-10 Filed 06/03/20 Page 1 of 40 PageID #: 11417
`
`EXHIBIT 9
`
`EXHIBIT 9
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 2 of 40 PageID #: 11418
`
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`
`*
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 3 of 40 PageID #: 11419
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`
`In the preferred embodiment of this invention the spread spectrum radiotelephone 10 operates in
`accordance with the TIA/EIA Interim Standard, Mobile Station-Base Station Compatibility
`Standard for Dual-Mode Wideband Spread Spectrum Cellular System, TIA/EIA/IS-95 (Jul. 1993).
`Id. Ob -3*2&+-’
`@cQYS bSOQVSa bVOb ‘ORW]bSZS^V]\S *) W\QZcRSa O\ O\bS\\O *+3
`
`The radiotelephone 10 includes an antenna 12 for receiving RF signals from a cell site, hereafter
`referred to as a base station (not shown), and for transmitting RF signals to the base station.
`@cQYS Ob -3+0&,)4 see also :=;’ * #aQVS[ObWQOZZg RS^WQbW\U O\bS\\O *+$3
`
`3%2% 14?8=? 0>%
`+$)&,$’-(
`Claim 1
`L*#^‘S$M 5 QSZZcZO‘
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`Q][^‘WaW\U3
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`Q][[c\WQObW]\ aWU\OZ b]
`bVS QSZZ&aWbS abObW]\%
`
`+
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 4 of 40 PageID #: 11420
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`O\R laWU\OZW\Um W\T]‘[ObW]\3
`
`The radiotelephone 10 includes an antenna 12 for receiving RF signals from a cell site, hereafter
`referred to as a base station (not shown), and for transmitting RF signals to the base station. When
`operating in the digital (spread spectrum or CDMA) mode the RF signals are phase modulated to
`convey speech and signalling information.
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`
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`^]eS‘ Q]\b‘]Z PWbam3
`The received RF signals are converted to base band in the receiver and are applied to a phase
`demodulator 26 which derives in-phase (I) and quadrature (Q) signals from the received signal.
`
`,
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 5 of 40 PageID #: 11421
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`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`
`The I and Q signals are converted to digital representations by suitable A/D converters and applied
`to a three finger (F1-F3) demodulator 30, each of which includes a local PN generator. The output
`of the demodulator 28 is applied to a combiner 30 which outputs a signal, via a deinterleaver and
`decoder 32, to the controller 20. The digital signal input to the controller 20 is expressive of speech
`samples or signalling information. The further processing of this signal by the controller 20 is not
`germane to an understanding of this invention and is not further described, except to note that the
`signalling information will include transmitter power control bits that are sent from the base station
`as a continuous stream to the radiotelephone 10.
`Id. Ob -3-.&/*’
`
`5\bS\\O *+ OZa] b‘O\a[Wba aWU\OZa b] bVS POaS abObW]\3
`The radiotelephone 10 includes an antenna 12 for receiving RF signals from a cell site, hereafter
`referred to as a base station (not shown), and for transmitting RF signals to the base station.
`Id. Ob -3+0&,)’
`@cQYS bSOQVSa bVOb bVS ‘SQSWdS‘ *- O\R bVS b‘O\a[WbbS‘ */ O‘S P]bV Q]c^ZSR bV‘]cUV O\bS\\O *+% O\R O‘S
`bVS‘ST]‘S \SQSaaO‘WZg Rc^ZSfSR3
`
`Coupled to the antenna 12 are a gain controlled receiver 14 and a gain controlled transmitter 16
`for receiving and for transmitting, respectively, the phase modulated RF signals.
`Mucke Ob -3,+&,.4 aSS OZa] :=;’ *% supra.
`
`5RRWbW]\OZZg% @cQYS bSOQVSa O 7@85 bSZS^V]\S% eVWQV bVS n*2, CObS\b OR[Wba W\QZcRSa O Rc^ZSfS‘3
`
`The typical standard for the CDMA cellular telephone system enacted in the U.S. is TIA IS-95
`(hereinafter IS-95). An example of a transmitter applying IS-95 is shown in FIG. 11. In this
`example, a modulated signal converted into a transmitting frequency band is supplied to a variable
`amplitude amplifier 230 and the output of the variable amplitude amplifier 230 is further amplified
`by a power amplifier means 250 and transmitted to an antenna 450 through a duplexer 400.
`n*2, CObS\b Ob *3+-&,+’
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`
`-
`
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`Q]\dS‘bW\U aOWR TW‘ab
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 6 of 40 PageID #: 11422
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`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`Q][[c\WQObW]\ aWU\OZ W\b]
`O d]WQS aWU\OZ Q]RS% O\R
`
`The received RF signals are converted to base band in the receiver and are applied to a phase
`demodulator 26 which derives in-phase (I) and quadrature (Q) signals from the received signal.
`The I and Q signals are converted to digital representations by suitable A/D converters and applied
`to a three finger (F1-F3) demodulator 30, each of which includes a local PN generator. The output
`of the demodulator 28 is applied to a combiner 30 which outputs a signal, via a deinterleaver and
`decoder 32, to the controller 20.
`@cQYS Ob -3-.&.-4 aSS OZa] :=;’ *3
`
`@cQYSna ‘SQSWdSR E: aWU\OZa O‘S []RcZObSR b] Q]\dSg la^SSQV O\R aWU\OZZW\U W\T]‘[ObW]\m3
`The radiotelephone 10 includes an antenna 12 for receiving RF signals from a cell site, hereafter
`referred to as a base station (not shown), and for transmitting RF signals to the base station. When
`operating in the digital (spread spectrum or CDMA) mode the RF signals are phase modulated to
`convey speech and signalling information
`Id. Ob -3+0&,+’
`
`.
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 7 of 40 PageID #: 11423
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`^]eS‘ Q]\b‘]Z aWU\OZ
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`aWbS abObW]\%
`
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`O^^O‘Obca Q]\\SQbSR b] aOWR
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`
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`aWU\OZ LkM Sf^‘SaaWdS ]T a^SSQV aO[^ZSam #i.e., O d]WQS aWU\OZ Q]RS$3
`
`The output of the demodulator 28 is applied to a combiner 30 which outputs a signal, via a
`deinterleaver and decoder 32, to the controller 20. The digital signal input to the controller 20 is
`expressive of speech samples or signalling information.
`Id. Ob -3.*&..’
`@cQYS Tc‘bVS‘ bSOQVSa bVOb bVS aWU\OZ aS\b b] bVS Q]\b‘]ZZS‘ dWO bVS RS[]RcZObW\U O\R RSQ]RW\U ^‘]QSaa
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`Q]\b‘]Z PWba3
`
`The digital signal input to the controller 20 is expressive of speech samples or signalling
`information. The further processing of this signal by the controller 20 is not germane to an
`understanding of this invention and is not further described, except to note that the signalling
`information will include transmitter power control bits that are sent from the base station as a
`continuous stream to the radiotelephone 10.
`@cQYS Ob -3.-&/*’
`@cQYS bSOQVSa bVWa QZOW[ ZW[WbObW]\ c\RS‘ CZOW\bWTTna W\bS‘^‘SbObW]\’ =\ ^O‘bWQcZO‘% @cQYS bSOQVSa bVOb
`Q]RSQ ++ #O\ S\7BRS‘(897]RS‘ O^^O‘Obca$ Wa Q]\\SQbSR b] bVS ‘SQSWdS‘3
`
`Coupled to the antenna 12 are a gain controlled receiver 14 and a gain controlled transmitter 16
`for receiving and for transmitting, respectively, the phase modulated RF signals. A frequency
`synthesizer 18 provides the required frequencies to the receiver and transmitter under the control
`of a controller 20. The controller 20 is comprised of a slower speed MCU for interfacing, via a
`codec 22, to a speaker 22a and a microphone 22b, and also to a keyboard and a display 24.
`Mucke Ob -3,+&-)4 see also :=;’ * #RS^WQbW\U Q]RSQ ++ #‘SR P]f$ Q]\\SQbSR #‘SR ZW\S$ dWO Q]\b‘]ZZS‘ +)
`O\R RSW\bS‘ZSOdS‘(RSQ]RS‘ ,+ b] ‘SQSWdS‘ #PZcS P]f$$3
`
`/
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 8 of 40 PageID #: 11424
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`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`W\^cb d]WQS Q]RS aWU\OZ3
`Coupled to the antenna 12 are a gain controlled receiver 14 and a gain controlled transmitter 16
`for receiving and for transmitting, respectively, the phase modulated RF signals. A frequency
`synthesizer 18 provides the required frequencies to the receiver and transmitter under the control
`of a controller 20. The controller 20 is comprised of a slower speed MCU for interfacing, via a
`codec 22, to a speaker 22a and a microphone 22b, and also to a keyboard and a display 24.
`Mucke Ob -3,+&-)4 see also :=;’ *3
`
`0
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 9 of 40 PageID #: 11425
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`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`Q][[c\WQObW]\ aWU\OZ3
`
`An input to the transmitter 16 (vocoded speech and/or signaling information) is derived from the
`controller 20 via a convolutional encoder, interleaver, Walsh modulator, PN modulator, and I-Q
`modulator, which are shown generally as the block 46.
`@cQYS Ob .3**&*.4 see also :=;’ *3
`
`1
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 10 of 40 PageID #: 11426
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
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`@cQYS Tc‘bVS‘ SZOP]‘ObSa ]\ bVS ab‘cQbc‘S ]T bVWa b‘O\a[WbbS‘ W\ :=;’ ,3
`
`2
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 11 of 40 PageID #: 11427
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`QW‘QcWbm lacWbOPZg W[^ZS[S\bSR W\ LkM O []PWZS bSZS^V]\S’m AOYOgO[O Ob jj L))),M% L)))*M’
`
`GVWa b‘O\a[WaaW]\ QW‘QcWb Wa RS^WQbSR W\ :=;’ * #eVS‘S bVS lb‘O\a[WbbS‘m Q]‘‘Sa^]\Ra b] lVWUV&T‘S_cS\Qg
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`^‘]QSaaW\U QW‘QcWb *.m$3
`
`*)
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 12 of 40 PageID #: 11428
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`AOYOgO[O RS^WQba bVWa b‘O\a[WbbS‘ /* PSW\U Q]\\SQbSR b] O\bS\\O +, O\R b] POaSPO\R ^‘]QSaaW\U QW‘QcWb
`*. #eVWQV W\QZcRSa Rc^ZSfW\U Tc\QbW]\OZWbg PSQOcaS Wb Rc^ZSfSa aWU\OZa W\^cb aWU\OZa T‘][ [WQ‘]^V]\S
`*- ]cb^cb aWU\OZa T]‘ a^SOYS‘ +. T]‘ b‘O\a[WaaW]\(‘SQS^bW]\ dWO O\bS\\O +,$3
`
`After reception, the electromagnetic wave of the target signal is demodulated in the high frequency
`processing circuit 17, made into a baseband signal, and made into an electric signal representing
`a voice after a predetermined processing determined corresponding to the communication system
`by the baseband processing circuit 15 is performed. The electric signal is output as a voice from
`the speaker 25.
`AOYOgO[O Ob j L))++M’
`
`When performing communication from the communicator 11 to another communicator, the
`operator of the communicator 11 inputs phone numbers and the like of other communicators by
`operating a key provided on the operation part 13, and inputs a voice via the microphone 14. The
`baseband processing circuit 15 performs predetermined processing determined corresponding to
`
`**
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 13 of 40 PageID #: 11429
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`the communication system to an electrical signal representing the voice given from the
`microphone 14, adds a data signal related to further input phone numbers and the like, and
`generates and delivers a baseband signal to the high frequency processing circuit 17.
`AOYOgO[O Ob j L))+)M’
`
`6OaSPO\R ^‘]QSaaW\U QW‘QcWb *. OZa] W\QZcRSa bVS QZOW[SR S\Q]RS‘(RSQ]RS‘ Tc\QbW]\OZWbg3
`
`After reception, the electromagnetic wave of the target signal is demodulated in the high frequency
`processing circuit 17, made into a baseband signal, and made into an electric signal representing
`a voice after a predetermined processing determined corresponding to the communication system
`by the baseband processing circuit 15 is performed. The electric signal is output as a voice from
`the speaker 25.
`AOYOgO[O Ob j L))++M’
`
`When performing communication from the communicator 11 to another communicator, the
`operator of the communicator 11 inputs phone numbers and the like of other communicators by
`operating a key provided on the operation part 13, and inputs a voice via the microphone 14. The
`baseband processing circuit 15 performs predetermined processing determined corresponding to
`the communication system to an electrical signal representing the voice given from the
`microphone 14, adds a data signal related to further input phone numbers and the like, and
`generates and delivers a baseband signal to the high frequency processing circuit 17.
`AOYOgO[O Ob j L))+)M’
`
`AOYOgO[O ORRWbW]\OZZg RSaQ‘WPSa V]e [O\g ]T bVSaS Q][^]\S\ba O‘S Y\]e\ W\ bVS ^‘W]‘ O‘b’ See :=;’
`. #RS^WQbW\U b‘O\a[WaaW]\ QW‘QcWb * Q]\\SQbSR b] O\bS\\O /$3
`
`*+
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 14 of 40 PageID #: 11430
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`L*#V$M O Q]\b‘]ZZS‘
`Q]\\SQbSR b] aOWR ‘SQSWdS‘
`O\R aOWR b‘O\a[WbbS‘ T]‘
`Q]\b‘]ZZW\U O\ O[^ZWbcRS ]T
`aOWR b‘O\a[WbbS‘%
`
`GVS []bWdObW]\ b] Q][PW\S AOYOgO[Ona Q]\b‘]ZZS‘&Q]\b‘]ZZSR UOW\ O\R PWOa RObO W\b] bVS QSZZcZO‘
`bSZS^V]\S ]T @cQYS e]cZR PS b] W\Q‘SOaS bVS ^]eS‘ STTWQWS\Qg ]T bVS b‘O\a[WbbS‘ W\ @cQYSna QSZZcZO‘
`bSZS^V]\S Pg [W\W[WhW\U bVS Qc‘‘S\b Q]\ac[^bW]\ ]T bVS ^]eS‘ O[^ZWTWS‘ #see AOYOgO[O Ob j L))*+M
`lbVS ZSdSZ Q]\b‘]Z QW‘QcWb W\QZcRSa ab]‘W\U [SO\a T]‘ Q]‘‘SZObW\U bVS ‘STS‘S\QS aWU\OZ ZSdSZ O\R O
`^‘SRSbS‘[W\SR ‘STS‘S\QS PWOa d]ZbOUS T]‘ [W\W[WhW\U SZSQb‘WQOZ Qc‘‘S\b Q]\ac[^bW]\ ]T
`bVS
`O[^ZWTWQObW]\ [SO\a eVS\ ]cb^cbbW\U bVS bO‘USb aWU\OZkm$ 8]W\U a] e]cZR PS bVS caS ]T O Y\]e\
`bSQV\W_cS b] W[^‘]dS O aW[WZO‘ RSdWQS W\ bVS aO[S eOg’
`@cQYS bSOQVSa bVWa QZOW[ ZW[WbObW]\ c\RS‘ CZOW\bWTTna W\bS‘^‘SbObW]\’ =\ ^O‘bWQcZO‘% @cQYS bSOQVSa bVOb
`Q]\b‘]ZZS‘ +) Wa Q]\\SQbSR b] P]bV bVS ‘SQSWdS‘ O\R bVS b‘O\a[WbbS‘ Oa aV]e\ W\ :=;’ *’ GVSaS bSOQVW\Ua
`O‘S Tc‘bVS‘ SZOP]‘ObSR W\ bVS S[P]RW[S\b aV]e\ W\ :=;’ ,% eVS‘S Q]\b‘]ZZS‘ +) Wa lRWUWbOZ Q]\b‘]Z PZ]QY
`//%m O\R W\ :=;’ .% eVS‘S Q]\b‘]ZZS‘ Wa lRWUWbOZ Q]\b‘]Z PZ]QY 2)%m P]bV ]T eVWQV Q]\b‘]Za bVS GK&I;5
`LG‘O\a[WaaW]\ IO‘WOPZS ;OW\ 5[^ZWTWS‘M3
`
`Reference is now made to FIG. 3 for a description of a CDMA analog AGC system. The RX gain
`control is comprised of two loops. The first loop is essentially analog and comprises the RX-VGA
`
`*,
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 15 of 40 PageID #: 11431
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`52, I/Q demodulator 62, detector 56, and integrator 58. The first loop is used for coarse AGC
`setting. The second loop is essentially digital and comprises the RX-VGA 52, I/Q modulator 62,
`A/D converter 64, digital control block 66, AGC-REF signal 68, and the integrator 58. The AGC-
`REF signal 68 is a feedback signal from the digital loop to the integrator 58. The second, digital
`loop is used to correct offset errors in the first, analog loop. In the circuit of FIG. 3 the RX-VGA
`52 and TX-VGA [Transmission Variable Gain Amplifier] 50 each have a variable gain range of 80
`dB…
`@cQYS Ob 03*&*,4 see also :=;’ * #RS^WQbW\U l7]\b‘]ZZS‘ @7H(8FC +)m$3
`
`@cQYS OZa] bSOQVSa bVWa ZW[WbObW]\ b] bVS SfbS\b bVOb bVS ZW[WbObW]\ lO Q]\b‘]ZZS‘ k T]‘ Q]\b‘]ZZW\U O\
`O[^ZWbcRS ]T aOWR b‘O\a[WbbS‘m Wa U]dS‘\SR Pg ,. H’F’7’ i **+#/$’ @cQYSna Q]\b‘]ZZS‘ +) O\R(]‘ 5F=7
`#RWUWbOZ Q]\b‘]Z PZ]QY$ // Wa ab‘cQbc‘S bVOb ^S‘T]‘[a bVS QZOW[SR Tc\QbW]\ ]T lQ]\b‘]ZZW\U O\ O[^ZWbcRS
`]T aOWR b‘O\a[WbbS‘’m Id.
`
`*-
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 16 of 40 PageID #: 11432
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`5RRWbW]\OZZg% AOYOgO[O bSOQVSa bVWa ZW[WbObW]\’ =\ ^O‘bWQcZO‘% AOYOgO[O bSOQVSa lW\bSU‘ObSR QW‘QcWb
`/,%m eVWQV Wa Q]\\SQbSR b] bVS ‘SQSWdS‘ #dWO POaSPO\R ^‘]QSaaW\U QW‘QcWb *.$ O\R b] bVS b‘O\a[WbbS‘ #dWO
`POaSPO\R ^‘]QSaaW\U QW‘QcWb *. O\R bVS dO‘W]ca Q]\b‘]Z ZW\Sa T]‘ Q]\b‘]ZZW\U bVS b‘O\a[WbbS‘$’ See :=;’
`*3
`
`AOYOgO[O Tc‘bVS‘ RWaQZ]aSa bVOb bVWa Q]\b‘]ZZS‘ Q]\b‘]Za O\ O[^ZWbcRS ]T bVS b‘O\a[WbbS‘% Ob ZSOab dWO
`lObbS\cObW]\ Q]\b‘]Z ^O‘b -+m3
`
`The central processing unit 26 includes a designation part 41, attenuation control part 42, and
`bias-voltage control part 43. The central processing unit 26 is realized, for example, in a
`microcomputer, and the parts 41 to 43 are, respectively, virtual circuits realized by arithmetic
`
`*.
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 17 of 40 PageID #: 11433
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`processing of the central processing unit 26. Moreover, the parts 41 to 43 may, respectively, be
`individually realized by independent circuit components.
`AOYOgO[O Ob j L))+-M’
`
`GVS []bWdObW]\ b] Q][PW\S AOYOgO[Ona Q]\b‘]ZZS‘&Q]\b‘]ZZSR UOW\ O\R PWOa RObO W\b] bVS QSZZcZO‘
`bSZS^V]\S ]T @cQYS e]cZR PS b] W\Q‘SOaS bVS ^]eS‘ STTWQWS\Qg ]T bVS b‘O\a[WbbS‘ W\ @cQYSna QSZZcZO‘
`bSZS^V]\S Pg [W\W[WhW\U bVS Qc‘‘S\b Q]\ac[^bW]\ ]T bVS ^]eS‘ O[^ZWTWS‘ #see AOYOgO[O Ob j L))*+M
`lbVS ZSdSZ Q]\b‘]Z QW‘QcWb W\QZcRSa ab]‘W\U [SO\a T]‘ Q]‘‘SZObW\U bVS ‘STS‘S\QS aWU\OZ ZSdSZ O\R O
`^‘SRSbS‘[W\SR ‘STS‘S\QS PWOa d]ZbOUS T]‘ [W\W[WhW\U SZSQb‘WQOZ Qc‘‘S\b Q]\ac[^bW]\ ]T
`bVS
`O[^ZWTWQObW]\ [SO\a eVS\ ]cb^cbbW\U bVS bO‘USb aWU\OZkm$’ 8]W\U a] e]cZR PS bVS caS ]T O Y\]e\
`bSQV\W_cS b] W[^‘]dS O aW[WZO‘ RSdWQS W\ bVS aO[S eOg’
`@cQYSna bSOQVSa bVOb bVS b‘O\a[WbbS‘ Oa RS^WQbSR W\ :=;a’ ,% #O\R Oa SZOP]‘ObSR W\ :=;a .% / O\R **$
`W\QZcRSa O dO‘WOPZS UOW\ O[^ZWTWS‘ #GK&I;5 .)$ O\R O ^]eS‘ O[^ZWTWS‘ #GK ^]eS‘ O[^ *)+$3
`
`FIG. 5 is a block diagram that illustrates a first embodiment of the digital AGC system, specifically
`an all digital AGC control system. The two variable gain amplifiers VGAs 50 and 52 are controlled
`directly from the digital block 90.
`@cQYS Ob 13+0&,*’
`
`A bias control block 106 also receives the TX-GSET signal and is used to generate a bias signal
`for a TX power amplifier 102. The operation of the blocks 102 and 106 is described in greater
`detail in FIGS. 9 and 11.
`Id. Ob 03.)&.,4 aSS OZa] :=;’ ,3
`
`L*#W$M eVS‘SW\ aOWR
`b‘O\a[WbbS‘ W\QZcRSa O
`dO‘WOPZS O[^ZWbcRS
`O[^ZWTWS‘ O\R O ^]eS‘
`O[^ZWTWS‘%
`
`*/
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 18 of 40 PageID #: 11434
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`5RRWbW]\OZZg% AOYOgO[O bSOQVSa bVWa ZW[WbObW]\’ =\ ^O‘bWQcZO‘% AOYOgO[O bSOQVSa bVOb bVS O[^ZWbcRS ]T
`bVS b‘O\a[WbbSR ^]eS‘ QO\ PS Q]\b‘]ZZSR dWO ldO‘WOPZS ObbS\cOb]‘ *1m #‘SR P]f PSZ]e$ O\R TWfSR&UOW\
`lO[^ZWTWS‘ *2m3
`First, the target signal is attenuated by the variable attenuator 18 of a varying attenuation of a
`signal level and further amplified by the amplifier 19. The gain of the amplifier 19 is, for example,
`always constant, and the signal level of the target signal when output from the amplifier 19 is
`proportional to the signal level of the target signal when output from the variable attenuator 18.
`Therefore, the signal level of the target signal is adjusted to a reference signal level described
`hereafter.
`AOYOgO[O Ob j L))+*M’ AOYOgO[O Tc‘bVS‘ bSOQVSa bVOb O dO‘WOPZS UOW\ O[^ZWTWS‘ QO\ PS caSR W\abSOR ]T
`O dO‘WOPZS ObbS\cOb]‘3
`Furthermore, the detailed configuration and behavior of each circuit part of the communicator 11
`is exemplary, and circuit parts having other configurations and behaviors may be used. For
`example, a variable gain amplifier having variable gain may be used instead of the variable
`attenuator.
`
`*0
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 19 of 40 PageID #: 11435
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`Id. Ob j L))./M’
`
`AOYOgO[O Tc‘bVS‘ RWaQZ]aSa bVOb bVS b‘O\a[WbbS‘ W\QZcRSa O ^]eS‘ O[^ZWTWS‘ *2 #PZcS P]f PSZ]e$3
`
`Furthermore, the reference bias voltage corresponding to the maximum reference transmission
`power within the adjustment period W1 of the attenuation and the reference bias voltage
`corresponding to the designated transmission power after the attenuation has been determined are
`imparted to the power amplifier 19.
`Id. Ob L)).*M’ AOYOgO[O OZa] RWaQZ]aSa bVOb ^]eS‘ O[^ZWTWS‘ *2 Wa O dO‘WOPZS&PWOa O[^ZWTWS‘3
`
`A bias voltage of the amplifier 19 is imparted by a method described hereafter, and the value thereof
`is variable.
`Id. Ob L))+*M’
`
`GVSaS Q][^]\S\ba O‘S RS^WQbSR W\ :=;’ *3
`
`*1
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 20 of 40 PageID #: 11436
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`GVSaS Q][^]\S\ba O‘S ORRWbW]\OZZg RSaQ‘WPSR eWbV ‘STS‘S\QS b] :=;’ . #^‘W]‘ O‘b$3
`
`FIG. 5 is a block diagram expressing an electrical configuration of the transmission circuit 1
`described above. The signal level of a target signal which is an electrical signal to be transmitted
`differs from a reference signal level which can emit the electromagnetic wave of the transmission
`power from an antenna. This target signal is first attenuated by a variable attenuator 3 having a
`variable attenuation rate, then amplified by a power amplifier 4 having a variable bias voltage,
`and thereby the signal level thereof is adjusted to the reference signal level. This target signal is
`then imparted from the power amplifier 4 to an antenna 6 via a directional coupler 5 and
`transmitted from the antenna 6 as an electromagnetic wave.
`AOYOgO[O Ob j L))),M4 aSS OZa] :=;’ . PSZ]e3
`
`*2
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 21 of 40 PageID #: 11437
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`GVS []bWdObW]\ b] Q][PW\S AOYOgO[Ona Q]\b‘]ZZS‘&Q]\b‘]ZZSR UOW\ O\R PWOa RObO W\b] bVS QSZZcZO‘
`bSZS^V]\S ]T @cQYS e]cZR PS b] W\Q‘SOaS bVS ^]eS‘ STTWQWS\Qg ]T bVS b‘O\a[WbbS‘ W\ @cQYSna QSZZcZO‘
`bSZS^V]\S Pg [W\W[WhW\U bVS Qc‘‘S\b Q]\ac[^bW]\ ]T bVS ^]eS‘ O[^ZWTWS‘ #see AOYOgO[O Ob j L))*+M
`lbVS ZSdSZ Q]\b‘]Z QW‘QcWb W\QZcRSa ab]‘W\U [SO\a T]‘ Q]‘‘SZObW\U bVS ‘STS‘S\QS aWU\OZ ZSdSZ O\R O
`^‘SRSbS‘[W\SR ‘STS‘S\QS PWOa d]ZbOUS T]‘ [W\W[WhW\U SZSQb‘WQOZ Qc‘‘S\b Q]\ac[^bW]\ ]T
`bVS
`O[^ZWTWQObW]\ [SO\a eVS\ ]cb^cbbW\U bVS bO‘USb aWU\OZ km$’ 8]W\U a] e]cZR PS bVS caS ]T O Y\]e\
`bSQV\W_cS b] W[^‘]dS O aW[WZO‘ RSdWQS W\ bVS aO[S eOg’
`@cQYS bSOQVSa bVOb lRWUWbOZ PZ]QY 2)m QO\ PS W[^ZS[S\bSR Oa O\ 5F=7 #Oa RS^WQbSR W\ :=;’ ,$ ]‘ Oa O
`lVWUV a^SSR ^‘]QSaaW\U RSdWQS’m 9WbVS‘ ]T bVSaS e]cZR PS bVS QZOW[SR lQS\b‘OZ ^‘]QSaaW\U c\Wb’m3
`
`L*#X$M aOWR Q]\b‘]ZZS‘
`W\QZcRSa O QS\b‘OZ
`
`+)
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 22 of 40 PageID #: 11438
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`^‘]QSaaW\U c\Wb O\R O
`[S[]‘g%
`
`FIG. 5 is a block diagram that illustrates a first embodiment of the digital AGC system, specifically
`an all digital AGC control system. The two variable gain amplifiers VGAs 50 and 52 are controlled
`directly from the digital block 90. In a presently preferred embodiment of this invention the digital
`block 90 is embodied within an Application Specific Integrated Circuit (ASIC). It should be realized
`that discrete integrated circuits could be used as well, as could a suitably programmed high speed
`processing device.
`@cQYS Ob 13+0&,/’
`
`FW[WZO‘Zg% W\ bVS VWUV&ZSdSZ PZ]QY RWOU‘O[ ]T :=;’ *% @cQYS a^SQWTWSa bVOb l7]\b‘]ZZS‘ +)m W\QZcRSa O\
`@7H #@WQ‘]7]\b‘]ZZS‘ H\Wb$ O\R O 8FC #8WUWbOZ FWU\OZ C‘]QSaa]‘$% SWbVS‘ ]T eVWQV e]cZR PS bVS
`QZOW[SR lQS\b‘OZ ^‘]QSaaW\U c\Wbm3
`The controller 20 is comprised of a slower speed MCU for interfacing, via a codec 22, to a speaker
`22a and a microphone 22b, and also to a keyboard and a display 24. In general, the MCU is
`responsible for the overall control and operation of the radiotelephone 10. The controller 20 is
`also preferably comprised of a higher speed digital signal processor (DSP) suitable for real-time
`processing of received and transmitted signals.
`Id. Ob -3,1&--
`
`@cQYS Tc‘bVS‘ bSOQVSa bVOb lRWUWbOZ PZ]QY 2)m W\QZcRSa laZ]^S bOPZS 2)Om eVWQV Wa QVO‘OQbS‘WhSR Oa O
`lZ]]Y c^ bOPZSm O\R Wa W[^ZS[S\bSR Pg lab]‘OUS ‘SUWabS‘a’m FZ]^S bOPZS 2)O Wa bVca bVS QZOW[SR
`l[S[]‘gm3
`Correction of the VGA slopes can be accomplished either by multiplication or by table look up. A
`look up table (90a) is not presently preferred due to the required number of gates to implement the
`storage registers for the look up values.
`Id. Ob 13./&.24 aSS OZa] :=;’ .3
`
`+*
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 23 of 40 PageID #: 11439
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`5RRWbW]\OZZg% AOYOgO[O bSOQVSa bVWa ZW[WbObW]\’ =\ ^O‘bWQcZO‘% AOYOgO[O bSOQVSa bVOb bVS Q]\b‘]Z QW‘QcWb
`#lW\bSU‘ObSR QW‘QcWb /,m$ W\QZcRSa O lQS\b‘OZ ^‘]QSaaW\U c\Wb +/m O\R O l[S[]‘g -."3
`Additionally, it is possible to, among the circuit parts implemented in the baseband circuit board
`62, integrate the central processing unit 26, the reference power source 20, the analog/digital
`conversion circuits 32, 34, 35, the temperature sensor 33, the memory 45, and the digital/analog
`conversion circuits 47 and 48 to make a single integrated circuit (LSI) 63.
`AOYOgO[O Ob j L))..M4 aSS OZa] :=;’ * #RS^WQbW\U Q]\b‘]ZZS‘ #‘SR P]f$% QS\b‘OZ ^‘]QSaaW\U QW‘QcWb #PZcS
`P]f$ O\R [S[]‘g #U‘SS\ P]f$$3
`
`++
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 24 of 40 PageID #: 11440
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`L*#Y$M aOWR Q]\b‘]ZZS‘
`Q]\b‘]Za aOWR b‘O\a[WbbS‘ a]
`bVOb O\ ]^S\&Z]]^ ^]eS‘
`Q]\b‘]Z Wa ^S‘T]‘[SR O\R
`
`GVS []bWdObW]\ b] Q][PW\S AOYOgO[Ona Q]\b‘]ZZS‘&Q]\b‘]ZZSR UOW\ O\R PWOa RObO W\b] bVS QSZZcZO‘
`bSZS^V]\S ]T @cQYS e]cZR PS b] W\Q‘SOaS bVS ^]eS‘ STTWQWS\Qg ]T bVS b‘O\a[WbbS‘ W\ @cQYSna QSZZcZO‘
`bSZS^V]\S Pg [W\W[WhW\U bVS Qc‘‘S\b Q]\ac[^bW]\ ]T bVS ^]eS‘ O[^ZWTWS‘ #see AOYOgO[O Ob j L))*+M
`lbVS ZSdSZ Q]\b‘]Z QW‘QcWb W\QZcRSa ab]‘W\U [SO\a T]‘ Q]‘‘SZObW\U bVS ‘STS‘S\QS aWU\OZ ZSdSZ O\R O
`^‘SRSbS‘[W\SR ‘STS‘S\QS PWOa d]ZbOUS T]‘ [W\W[WhW\U SZSQb‘WQOZ Qc‘‘S\b Q]\ac[^bW]\ ]T
`bVS
`O[^ZWTWQObW]\ [SO\a eVS\ ]cb^cbbW\U bVS bO‘USb aWU\OZkm$’ 8]W\U a] e]cZR PS bVS caS ]T O Y\]e\
`bSQV\W_cS b] W[^‘]dS O aW[WZO‘ RSdWQS W\ bVS aO[S eOg’
`@cQYS bSOQVSa bVWa QZOW[ ZW[WbObW]\’ =\ ^O‘bWQcZO‘% @cQYS bSOQVSa bVOb Q]\b‘]ZZS‘ +) #W[^ZS[S\bSR Oa
`RWUWbOZ PZ]QY // ]‘ RWUWbOZ PZ]QY 2)$ Q]\b‘]Za bVS b‘O\a[WbbS‘% Ob ZSOab Pg dW‘bcS ]T ^‘]dWRW\U bVS ^]eS‘
`Q]\b‘]Z PWba caSR b] US\S‘ObS bVS lGf ;OW\ FSbm aWU\OZ Oa RS^WQbSR W\ :=;’ *% bVS GK ;OW\ 5RX aWU\OZ Oa
`aV]e\ W\ :=;’ ,% O\R bVS RWUWbOZ GK&I;5 aWU\OZ Oa RS^WQbSR W\ :=;’ .’ See :=;a *% ,% O\R .% supra.
`
`GVS Q]\b‘]ZZS‘ Tc‘bVS‘ Q]\b‘]Za bVS b‘O\a[WbbS‘ acQV bVOb O\ ]^S\&Z]]^ ^]eS‘ Q]\b‘]Z ^‘]QSaa Wa
`^S‘T]‘[SR% Ob ]^S\ Z]]^ ^]eS‘ Q]\b‘]Z PZ]QY ,13
`
`+,
`
`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 25 of 40 PageID #: 11441
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
`The output of the receiver AGC block 34 is also applied to a TX open loop power control block 38.
`A TX closed loop control block 40 inputs the received transmitter power control bits from controller
`20. An adder 42 adds the output of the TX open loop control block 38 to the output of the TX closed
`loop control block 40 and generates a sum signal which is the TX-GAIN signal that is selectively
`applied, via a limiter 43 (FIGS. 7 and 8), to the transmitter 16 to control the output power thereof.
`Preferably this signal is slope corrected as required for the transmitter amplifier.
`@cQYS Ob .3*&*)4 see also :=;’ *3
`
`ZSOab PSQOcaS Wb ^‘]dWRSa bVS
`GVS Q]\b‘]ZZS‘ Q]\b‘]Za bVWa ]^S\&Z]]^ ^]eS‘ Q]\b‘]Z ^‘]QSaa Ob
`EKNF?BC9 O\R 5;7&E9: aWU\OZa bVOb O‘S caSR b] QOZQcZObS bVS bW[S&RSZOgSR EK&;F9G aWU\OZ bVOb Wa
`ORRSR b] bVS QZ]aSR Z]]^ ^]eS‘ Q]\b‘]Z aWU\OZ Ob ac[[S‘ /) #Q]‘‘Sa^]\RW\U b] ORRS‘ -+ W\ :=;’ *$3
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`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 26 of 40 PageID #: 11442
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
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`@cQYS Tc‘bVS‘ RWaQZ]aSa O\ S[P]RW[S\b eVS‘S bVS S\bW‘S ^‘]QSaa ]T QOZQcZObW\U bVS GK&I;5 aWU\OZ
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`+.
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`

`

`Case 5:19-cv-00036-RWS Document 343-10 Filed 06/03/20 Page 27 of 40 PageID #: 11443
`
`8STS\RO\bna =\dOZWRWbg 7]\bS\bW]\a
`9fVWPWb 8*
`
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`Q]\dS‘bSR b] O\ O\OZ]U aWU\OZ Pg 8(5( Q]\dS‘bS‘ 2+ O\R caSR b] Q]\b‘]Z bVS UOW\ ]T I;5 .) #O\R bVS
`PWOa ]T GK ^]eS‘ O[^ZWTWS‘ *)+4 see SZS[S\b L*#[$M W\T‘O$3
`
`The VGAs 50 and 52 may be either stepped VGAs controlled digitally, or continuously variable
`VGAs controlled by the outputs of suitable D/A converters. The latter approach, which is preferred,
`is illustrated in FIG. 5 as the TX-VGA-D/A92 and the RX-VGA-D/A 94. The a