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ISSUE DATE
`
`661 1 676
`
`EXAMINER
`
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`U.S. UTILITY Patent Application
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`| 10rf,3h-53 | 0'7trin002 | 45c | 0b", l i2tt84l
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`ll.-,Appl-iCANTF{ Ue Toyoki; Hiramatsu iictsrrhikc; Kato Osa
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`35 USC I 19 iot:rlitions nnt:t
`t/.-ri i;eri a i :rl Acilnovilecgc d Exa miners's intia I s
`|i'lTL[: : Ra,li,: comrrunication apparatus ahd tran:n:ission rate control rnethoC
`II
`u.s.DEPr. oF coMl,i./irAT,9 Tl/-PTo'
`
`TTORNEY DOCKET I.,IO
`
`A kr, '7. C q^{ !
`
`Assistant Examiner
`
`TERMINAL
`DlSCLAttlER
`
`0rCIrutng
`
`/) zhr
`utt
`Applicatlon Examiner
`
`discloscd herein may be resticted.
`Unauftorizcd disclosgre rnay fre prohibitcd by the United St1tes Code Titlc 35'
`Sections 122, l8l and 368, Posscssion oubide the U.S. Patent & Tradernark
`
`FILEDWITH:
`
`fl orsr (cRF)
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`IPR2018-01473
`Apple Inc. EX1002 Page 1
`
`

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`(lnd. C. of M.)
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`IPR2018-01473
`Apple Inc. EX1002 Page 2
`
`

`

`n Continued on lssue Slio lnside File Jacket
`INDEX OF CLAIMS
`/ ............... Rejected - (through numeral) ... Canceled N ............... Non+lected
`
`lf more than 150 claims or 9 actions staple additional sheet here
`
`IPR2018-01473
`Apple Inc. EX1002 Page 3
`
`

`

`SEARGH
`
`SEARCH NOTES
`(Lisi dataOases searched. Attach
`search strategy inside.
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`IPR2018-01473
`Apple Inc. EX1002 Page 4
`
`

`

`PATENT APPLICATION SERIAL NO.
`
`U.S. DEPARTMENT OF COMMERCE
`PAIENT AND TRADEMARK OFFICE
`FEE RECORD STilEET
`
`il.1i*5le00t STEUIIEL1 00000050 10093553
`$1 F[:101
`
`740.00 0P
`
`,{
`
`PTO-1556
`(s/87)
`
`'U.S. GPO: 2000469-987139595
`
`IPR2018-01473
`Apple Inc. EX1002 Page 5
`
`

`

`iltiltilililllillllllllffilllfillilllilllllillilllllilllilllilllil
`Bib Data Sheet
`
`SERIAL NUMBER
`10/083.553
`
`FILING DATE
`02t27t2002
`
`RULE
`
`qPPLICANTS
`Toyoki Ue, Yokosuka-shi, JAPAN;
`Katsuhiko Hiramatsu, Yokosuka-shi, JAPAN;
`Osamu Kato, Yokosuka-shi, JAPAN;
`
`- coNTINUING DATA *************************
`THIS APPLICATION lS A CON OF 091424,8431210611999
`
`F REQUIRED, FOREIGN FILING LICENSE GRANTED
`
`oreign Priority claimed E y.. E no
`USC 119 (a-d) conditions I u., E no I Met.tt.,
`
`Page I of 1
`
`CoMMrssroNER Forr PATENTS
`UnrteD Smres PATENT ANDTRADEMARK OFFtcE
`WAsHrNGroN, O.C. 20231
`wwwuspto,gov
`
`CONFIRMATION NO.8189
`
`ATTORNEY
`DOCKET NO.
`JEL 31056J
`
`I
`
`{--.
`
`TOTAL
`CLA!MS
`o
`
`NDEPENDE
`CLAIMS
`2
`
`DAVIS. MILLER & MOSHER, L.L.P.
`
`615 L Street, N.W.
`.DC 20036
`
`communication apparatus and transmission rate control method
`
`FILING FEE
`RECEIVED
`740
`
`: Authority has been given in PaPer
`to charge/credit DEPOSIT ACCOUNT
`for following:
`
`El Al Fe"t
`
`1.16 Fees ( Filin
`fl t.t7 Fees ( Processing Ext. of
`
`fl t.t8 Fees ( lssue )
`
`IPR2018-01473
`Apple Inc. EX1002 Page 6
`
`

`

`UTILITY PATENT APPLICATION TRANSMITTAL
`(Large Entity)
`(Large Entity)
`(Only for new nonprovisional applications under 37 CFR 1.53(b))
`
`Total Pages in this Submission
`
`TO THE ASSISTANT COMMISSIONER FOR PATENTS
`Box Patent Application
`Washington, D.C. 20231
`herewith for filing under 35 U.S.C. 1 1 1(a) and 37 C.F.R. 1 .53(b) is a new utility patent apptication for an
`entitled:
`
`r-J.
`ts
`q,
`
`Fa
`
`tslt\t
`a.t
`rst\.t
`
`and invented by:
`
`.,Kalsuhiko IIIRAMATSU
`:'lOsamu KATO
`
`,
`
`!'.
`
`iii:$
`iff a CONTfNUATION APPLICATION, check appropriate box and supply the requisite information:
`ifl Continuation E Divisional D Continuation-in-part (ClP) of prior apptication No.:
`iWhich is a:
`iril Continuation E Divisional tr Gontinuation-in-part (ClP) of prior application No.:
`i. u'
`'-Wni"n
`:! Gontinuation E Divisional ! Continuation-in-part (ClP) of prior apptication No,:
`
`tttct
`
`I ;.1
`
`i,,"!
`
`i 1,"i
`iEnclosed are:
`t';
`Application Elements
`i*'i
`i',; 1. A Filing fee as calculated and transmitted as described below
`
`2. E Specification having
`
`pages and including the foltowing:
`
`37 _
`a. I Descriptive Title of the Invention
`b. tr Gross References to Related Applications (if appticable)
`c. E Staternent Regarding Federally-sponsored Research/Development (if appticable)
`d' n Reference to Sequence Listing, a Table, or a Computer Program Listing Appendix
`e. E Background of the Invention
`f. El Brief Summary of the Invention
`g. 8 Brief Description of the Drawings (it fited)
`h. El Detailed Description
`i, El Claim(s)as Classified Below
`j. tr Abstract of the Disclosure
`
`qlrt
`-qt
`$(E
`CrF{
`
`09/424,843
`
`PO1 UIR.G/REVO6
`
`IPR2018-01473
`Apple Inc. EX1002 Page 7
`
`

`

`UTILITY PATENT APPLICATION TRANSMITTAL
`(Large Entity)
`(Only for new nonprovisionalapplications under 37 CFR 1.53(b))
`
`Total Pages in this Submission
`
`15
`
`Application Elements (Gontinued)
`3. A Drawing(s) (when necessa4/ as prescribed by 35 USC 113)
`a. E Formal
`Number of Sheets
`b. tr Informal
`Number of Sheets
`4. A Oath or Declaration
`a. E Newly executed (originalor copy) D Unexecuted
`b. E Copy from a prior application (37 CFR 1.63(d)) (for continuation/divisionat apptication onty)
`c, El With Power of Attorney tr Without Power of Attorney
`d, tr DELETION OF INVENTORrcI
`Signed statement attached deleting inventor(s) named in the prior application,
`see 37 C.F.R. 1.63(dX2) and 1.33(b).
`5. A lncorporation By Reference (usab/e if Box 4b is checked)
`The entire disclosure of the prior application, from which a copy of the oath or declaration is supplied under
`#
`Box 4b, is considered as being part of the disclosure of the accompanying application and is hereby
`i"ii
`incorporated by reference therein.
`|Ji 6. n CD ROM or CD-R in duplicate, large table or Computer Program (Appendix)
`|#; 7. tr Application Data Sheet (See 37 CFR 1.26)
`l'"", 8. tr Nucleotide and/or Amino Acid Sequence Submission (if appticable, all must be inctuded)
`'+*,'iiii
`a. D Computer Readable Form (CRF)
`;"'1 b. tr Specification Sequence Listing on:
`i. tr CD-ROM or CD-R (2 copies); or
`t.;
`i'U
`ii. n paper
`c. fl Statement(s) Verifying ldentical Paper and Computer Readable Copy
`Accompanying Application Parts
`9. ! Assignment Papers (cover sheet & document(s))
`10. tr 37 CFR 3.73(8) Staternent (when there is an assrgnee)
`11. tr English Translation Document (it appticabte)
`12. A Information Disclosure StatemenUPT}-144g m Copies of IDS Citations
`13. A PreliminaryAmendment
`14. A Return Receipt Postcard (MPEP 503) (Shou/d be specifically itemized)
`15. tr certified copy of Priority Document(s) (if foreign priority is craimed)
`16. tr Certificate of Mailing
`tr First Class tr Express Mait (Specify Label No.):
`
`Page 2 of4
`
`PO1 ULRG/REVO6
`
`IPR2018-01473
`Apple Inc. EX1002 Page 8
`
`

`

`UTILITY PATENT APPLICATION TRANSMITTAL
`(Large Entity)
`(Only for new nonprovisional applications under 37 CFR 1.53(b))
`
`Total Pages in this Submission
`
`Accompanying Application Parts (Continued)
`
`17. B
`
`Additional Enclosures (please identify helow):
`of Power of Attorney
`of Attorney
`otice of Co-Pending Related Applications
`ange of Correspondence Address
`Claim for Priority
`
`Request That Application Not Be Published Pursuant To 35 U.S.C. 122(bl(2)
`
`rsir 1R n
`ftr"i rv.
`u
`
`Pursuant to 35 U.S.C. 122(b)(2), Applicant hereby requests that this patent application not be
`published pursuant to 35 U.S.C. 122(b)(1). Applicant hereby certifies that the invention disclosed in
`this application has not and will not be the subject of an application filed in another country, or under
`a multilateral international agreement, that requires publication of applications 18 months after filing
`of the application.
`
`Warning
`
`An applicant who makes a request not to publish, but who subseguently files in a foreign
`country or under a multilateral international agreement specified in 35 U.S.C. 122(b)(2)(B)(i),
`must notify the Director of such filing not later than 45 days after the date of the filing of
`such foreign or international application. A failure of the applicant to provide such notice
`within the prescribed period shall result in the application being regarded as abandoned,
`unless it is shown to the satisfaction of the Director that the delay in submitting the notice
`was unintentional.
`
`PO1 ULRG/REVO6
`
`IPR2018-01473
`Apple Inc. EX1002 Page 9
`
`

`

`UTILITY PATENT APPLICATION TRANSM ITTAL
`(Large Entity)
`(Only for new nonprovisional applications under 37 CFR 1.53(b))
`
`Docket No.
`JEL 31056J
`
`Total Pages in this Submission
`
`Fee Calculation and Transmittal
`
`i;st For
`
`#Filed
`
`CLAIMS AS FILED
`#Allowed #Extra
`
`6
`
`alotalClaims
`
`-20 =
`-J=
`hdep.Claims
`2
`:fi ".ffittipte Dependent Claims (check if appticable) tr
`
`0
`
`0
`
`TPTHER FEE (specify purpose)
`
`Rate
`
`$18.00
`
`$84.00
`
`x
`x
`
`BASIC FEE
`
`TOTAL FILING FEE
`
`Fee
`
`$0.00
`
`$0,00
`
`$0.00
`
`$740.00
`
`$0.00
`
`$740.00
`
`A check in the amount of
`to cover the filing fee is enclosed.
`$740.00
`The Commissioner is hereby authorized to charge and credit Deposit Account No.
`as described below. A duplicate copy of this sheet is enclosed.
`D Charge the amount of
`as filing fee.
`E Credit any overpayment.
`A Charge any additional filing fees required under 37 C.F.R. 1.16 and 1.17.
`n Charge the issue fee set in 37 C.F.R. 1.18 at the
`the Notice of Allowance.
`pursuant to 37 C.F.R. 1.31 1(b),
`
`19-4375
`
`aa
`
`Dated: February 27,2002
`
`cc:
`
`24257
`
`STEVENS, DAVIS, MILLER & MOSHER, LLp
`1615 L Street, N.W., Suite 850
`Washington, DC 20036
`Tel: 202-785-0100
`Fax: 202-408-5200
`
`Page 4 of4
`
`PO1 ULRG/REVO6
`
`IPR2018-01473
`Apple Inc. EX1002 Page 10
`
`

`

`I
`
`VNRIT'TCATTON OF' A TRA NST,ATIQ]$
`
`I, the below named traaslator, bereby declare:
`That my nane and post offrce address are as stated below;
`That i an knowledgeable in tbe Japanese and English languages, and that I
`believe the following is a true and complete translation from Japanese into English of
`International AppJication No. PCT/JP99/0207?, flled on April 19, 1999 (excluding the
`request).
`
`I hereby declare that all statements made herein of my own knowledge are true
`and that aII statements made on information and belief are believed to be true; and
`further that these statements were made with the knowledge that willful false
`statements and the like so made are punishabie by fine or imprisonroent, or both,
`under Section 1001 of Title 18 of the United States Code and that such willfuli false
`statements may jeopard.ize the validity of the application or any pa{ent issued thereon.
`
`4
`
`Dated December 1. 1999
`
`1"i
`,f\
`
`Post Offi.ce Address:
`5th Floor, Shintoshicenter Bidg, 24-1, Tsurumaki l'chome, Tama'shi
`Tokyo 206-0034 Japan
`
`Hiroyoshi AOKI
`
`IPR2018-01473
`Apple Inc. EX1002 Page 11
`
`

`

`t 1;
`
`rfi
`
`1
`
`DESCRIPTION
`
`RADIO COMMUNICATION APPARATUS
`
`AND TRANSMISSION RATE CONTROL METHOD
`
`I
`SmDe(
`
`Technlca]- FieLd
`The present lnventj_on reLates to a radio
`communicatlon apparatus wj.th a varlable transmission
`rate and a transmission rate control method.
`
`Background, Art
`A conventional- rad.io comrnunj-cation apparatus is
`explained. us1-ng a document "Performance of SIR-Based.
`Transmit Power control ustng outer Loop in the forward.
`Link of DS-CDMA (TECHNICAL REPORT OF IEICE Ap96-l-4I,
`EMCJ96-83 , RCS9 6-L62, MW95-188 ( 1 997 -02) ." This
`document d.escribes a transmisslon power control method.
`in CDMA. The foJ-lowing J.s an explanation of this
`d.escript j-on.
`fq transmissJ-on power control, measurement of SIR
`i-ndicatlng the reception quaJ.j-ty and
`lncrement/decrement of transmlsslon power arp performed
`at every slot cycle (0.525 ms). In this case, if
`the
`measured SfR j.s greater than the target SIR a command.
`to reduce transmisslon power 1s sent to the base statlon
`( transmlssion side ) and if the measured values is smalLer
`than the target SIR a command to increase transmlssion
`power is sent to the base statlon. The base station
`
`10
`
`l5
`
`zu
`
`25
`
`IPR2018-01473
`Apple Inc. EX1002 Page 12
`
`

`

`n
`
`increments or decrements transmisslon power accord.ing
`to this command.
`Furthermore, the base station contrors the outer
`loop taking into account the fact that the target srR
`to acquire the required, quarity ( FER: Frame Error Rate )
`varies d.epend.lng on the environment of a mobire station.
`To be more specific, FER 1s measured from decoded. data.
`Thls FER 1s compared wlth the target FER ln every several
`frames and, if the measured. value is greater, the targei
`srR ls increased. and. lf the measured value is smaller,
`the target SIR is red.uced.
`The prlor art performs transmlssion power control
`not onry by send.ing a transmisslon power contror command.
`to the transmitting side based on the SIR measured by
`the mobJ.J.e station but also by changing the targef SIR
`through outer loop control-.
`However, the prlor art has the folJ.owlng problem.
`That j-s, the target SIR increases depend.ing on the
`envi-ronment and transmisslon rate of the moblle station
`and the reception SIR sometlmes decreases due to fadJ-ng,
`In such a case, the mobile station instructs
`etc.
`the
`base statlon to increase transmi.ssion power to rnake the
`receptlon srR come closer to the target srR, consid.erably
`increasing transmission power of the base statlon to the
`mobile station, whlch ls likely to lncrease interference
`with other moblle statlons to an lntolerable degree.
`
`:
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`L0
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`25
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`
`Disclosure of Invention
`
`IPR2018-01473
`Apple Inc. EX1002 Page 13
`
`

`

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`trml";
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`
`is an objective of the present inventlon to
`ft
`provid.e a radlo communlcation apparatus and transmission
`rate control method. capable of control-ling transmission
`power of a base station directed to a mobile station
`appropriately wlthout being affected by the environment
`of the mobile statlon or transmlsslon rate.
`Th1.s obJect,lve is achieved by a rad.io communlcat j-on
`apparatus and transmlsslon rate controL method. that
`swltch the transmlssj-on rate of a transmisslon signal
`based. on receptlon quallty Lnformation frorn the other
`end. of commun j-cat.1on, o! accordlng to the environment
`of the other end of communicatlon and transmlt the
`slgnals at the sw5.tched transmission rate
`
`Brj-ef DescriPtion of Drawi-ngs
`FIG.1 is a block d.iagram showing a conf iguration
`of a base statlon apparatus accordJ-ng to Embod"j-ment l-
`of the present lnvention;
`FIG.2 is a block dlagrarn showi-ng a conf iguration
`of a communicatj.on termlnal apparatus that carrj-es out
`a rad.io communication with the base statlon apparatus
`according to the embod.j.ment above;
`FIG.3 is a bl-ock diagram to explaln a deslred. signal
`reception power measurement method j-n the communj-catJ.on
`terminal aPParatus above;
`FIG.4 ls a block d,iagram to explain a method of
`measurlng signaL-to-lnterference plus nolse ratio in the
`comnunicatlon termlnal apparatus above;
`
`L0
`
`L5
`
`2A
`
`25
`
`IPR2018-01473
`Apple Inc. EX1002 Page 14
`
`

`

`!,,*!"
`
`i,Y:t
`
`ti
`
`4
`
`FIG.5 is a diagrarn to explain a method. of
`signal-to-interference plus noise ratlo
`ln the
`communlcatlon terminal apparatus above;
`FIG.6 ls a d,ata frame conflguration d.iagram used
`in a communication by the base statlon apparatus of the
`present lnvention;
`F.IG.71s another data frame configuratj-on d.iagram
`used j.n a commurtlcation by the base statlon apparatus
`of the present lnventlon;
`FIG.8 is a sequence d.iagram be'tween the base station
`apparatus and ^communi.catlon terminal apparatus of the
`present j.nventJ-on;
`FIG.9 is another seguence d.iagram between the base
`station apparatus and. communj-catj.on terminal apparatus
`of the present inventlon;
`!.fc.L0 is another sequence diagram between the base
`station apparatus and. communication terminal apparatus
`of the present inventj-on;
`FIG . l L is another seq.uence d.lagram between the base
`statlon apparatus and communlcation terminal apparatus
`of the present lnventlon;
`FIG.12 is a flow chart to expLain a transmission
`rate swj.tching method ln the base statlon apparatus
`accord.ing to the embod.iment above;
`FIG.13 is another flow chart to explain a
`transmj-ssion rate swltchlng method in the base station
`appar.atus according .to the embod.iment above;
`FIG.14 is another flow chart to explain a
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`IPR2018-01473
`Apple Inc. EX1002 Page 15
`
`

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`the base statlon
`above;
`explaln a
`the base station
`above;
`a configuratlon
`to Embod,iment 2
`
`a method. of
`l.n the
`
`transmlsslon rate swltchlng method ln
`apparatus according to the embodlment
`FIG.15 j.s another flow chart to
`transmissi.on rate swi.tchlng method ln
`apparatus accordlng to the embodlment
`FIG. L6 is a block dlagram showi-ng
`of a base s tation apparatus accord,i-ng
`of the present invention;
`FIG.17 is a block diagram showing a conflguration
`10 of a communJ.catj-on terminal apparatus that carries out
`a radj.o communicatlon with the base station apparatus
`according to the embodiment above;
`FIG.18 is a block d.iagram to expJ-aln
`measurlng deslred slgnal reception power
`communicatj-on termlnal apparatus above;
`FIG.L9 1s a block diagram to explain a method. of
`measurlng signal-to-interference plus noise ratio ln the
`communicatlon termlnal apparatus above;
`FIG.20 1s a flow chart to explal.n a method of
`20 swj-tchlng the transmisslon rate ln the
`base station
`apparatus according to the ernbod.iment above;
`FIG.2L ls another flow chart to
`explaln a
`of swj.tching the transmission rate j.n
`the base
`apparatus according to the embod.iment
`nhnrra.
`Fl.G.22 is another flow chart to
`of swltching the transml-ssion rate j-n
`the base
`appar.atus according to the embodiment
`above;
`FIG.23 J.s another flow chart to explaj.n a method
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`IPR2018-01473
`Apple Inc. EX1002 Page 16
`
`

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`of switchlng the transmisslon rate in the base station
`apparatus accordlng to the embodiment above;
`glc.24 is another frow chart to exprain a method
`of switching the transmlssion rate in the base station
`apparatus accord.ing to the embodirnent above;
`FrG.25 ls another flow chart to exprain a method
`of switching the transmissi-on rate in the base station
`apparatus accordlng to the embodiment above;
`FIG.26 ls another flow chart to explaln a method.
`of swi-tchj-ng the transmlssion rate ln the base station
`apparatus accordJ-ng to the embod.iment above;
`FrG-27 !s another flow chart to expraln a method
`of switchlng the transmlssion rate in the base station
`apparatus accord.ing to the embodJ.ment abov€;
`FrG.28 is a d.iagram to explain transmission rate
`control between layers in the base station apparatus of
`the present invention; and.
`rrG.29 1s a flow chart to exprain transmi-ssion rate
`contror between layers in the base station apparatus of
`the present inventlon.
`
`Best Mode for Carrying out the Invention
`Wlth reference now to the attached drawings, the
`embodi-ments of the present invention are explained in
`detai]. beIow.
`( Embodiment I )
`FIG.l is a block diagram showlng a conf iguratj-on
`of a base statlon apparatus according to Embod.j_ment L
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`IPR2018-01473
`Apple Inc. EX1002 Page 17
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`

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`In thls base station apparatus,
`of the present invention.
`a s5.gnal recelved from antenna L01 is sent to reception
`RF ctrcuit 103 via duplexer 102 to use a same antenna
`for both transmission and recepti.on. At reception RF
`l-03, the receptlon signal is amplifled and
`circuit
`converted, to an intermediate frequency or a baseband.
`frequency.
`The frequency-converted slgnal j-s demodulated by
`d.emod.ulator 104. The demod.ulatLon result is sent to
`separator 105, where it is separated. into receptj-on data
`and a sj-gnal for transmisslon rate swltching control.
`Transmisslon rate swltching controller 106 .sends
`a transmJ.ssion rate switching signal to transmission
`frame generator 107 based. on the received. control signal.
`The operation of the transmlssj.on rate switChlng control
`circuit wl11 be exPlalned later.
`Regard.lng transmission, the transmission d.ata are
`modulated by modulator 108 and sent to transmissj-on RF
`circult 109. Transmlsslon RF circuit 1"09 converts the
`frequency of the transmissJ.on d.ata and then amplifies
`Thj-s transmission signal is sent from antenna 101
`it.
`via d.uplexer IO2.
`FIG.2 is a bLock diagram showing a conf igurati-on
`of a communication termlnal apparatus that carries out
`a radio communication with the base station apparatus
`accord.ing to Embodiment I of the present lnvention.
`A signal received. fron antenna 20L ls sent to
`reception RF clrcuit 203 via duplexer 242 to use a same
`
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`
`IPR2018-01473
`Apple Inc. EX1002 Page 18
`
`

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`antenna for both transmisslon and recepti-on, where it
`is amplified and converted to an intermediate frequency
`or a baseband. frequency. The frequency-converted.
`signal is demodul-ated. by demod.ulator ZO4. At the same
`time, the output signal of the reception RF circult
`is
`sent to receptlon quallty measurement circult 2AS, where
`the recqption qqallty 1s measured.
`fhis receptj.on quaJ-i-ty incJ.ud.es . f or exampJ_e,
`recelved signal strength, d.esired. si-grral- receptlon power,
`signaJ- to inteiference ratio (SIR), Signal-to-
`rnterference pJ.us Nolse Ratio (hereinafter abbreviated
`as "SfNR" ). The recelved signal strength ts obtaJ.ned. by
`measurlng the power of reception RF. The use of the
`recej-ved signal strength makes the circuit configuration
`simplest and. allows the use in an environment fre'e of
`interference signals.
`The reception power of a d.eslred signal 1s measured
`by multipJ.ylng the receptj.on signal by a known signal.
`In thls case, if an lnterference signal exists, using
`the receJ-ved slgnal strength alone would end up reportj-ng
`the receptt:" power of the deslred slgnal and the
`j-nterference signaJ-, and. thj-s would mean that the
`reception power of a desired signal requlred, by the
`termlnal mlght not always be reported.
`fherefore,
`i.n
`order to measure and report the reception power of the
`d.esired si-gnal requi-red by the terminal, it 1s desirable
`to use SINR as the receptlon quallty which is the most
`reliab].e lnformatlon as an lnd.ex to determlne an error
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`IPR2018-01473
`Apple Inc. EX1002 Page 19
`
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`rate characterlstlc.
`A measurement clrcuit
`for the d.eslred, slgnal
`reception power ls shown 1n FrG.3. Thls circult extracts
`the known pattern component of the reception signal;
`complex conJugate clrcult 3AZ carries out a complex
`conjugate operatlon on the known pattern he1d. by the base
`station; complex,multipllcation clrcuit 301 carries ouc
`a complex multlplJ-cation on the known pattern component
`nf l'he ranen.|-lOn SignaJ- and. the known pattern subjected
`to the compLex conjugate operation and calculates the
`posj.tion of the desired reception slgnal on the complex
`plane (positj.on of the black clrcle in FIG.5); and power
`measurement circuit 303 measures the power from this
`calcuLation result.
`On the other hand, an SINR measurement cj-rcui-t is
`shown in FIG.4. This clrcuit extracts the known pattern
`component of the reception signal; complex conjugate
`circult 4AZ carrles out a complex conJugate operation
`on the known pattern held by the base station; compLex
`multlplicatlon clrcult 40L carries out a complex
`multlplication on the known pattern component of the
`receptlon slgnal and. the known pattern subjected to the
`complex conjugate operation and. calculates the posi-tion
`of the desired reception signal on the complex plane
`(position of the black clrcle in FIG.5); and the power
`i-s measured, from thls ca].culation result. Furthermore.
`interference slgnal + nolse power measurement cj-rcuit
`404 measures interference signal power + noise power from
`
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`IPR2018-01473
`Apple Inc. EX1002 Page 20
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`

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`a mean value of vector sum of squares between the position
`of each receptlon signal (positi-on of the whlte circle
`in FIG.5) and. posltion of the des j-red. receptlon signal
`(position of the bLack clrcle in FIG.5). Furthermore,
`d.eslred. power measurement circuit 403 measures the
`desired power from the calculation result above. Then,
`rati-o calculatlon circuit 405 calculates the ratj.o
`between the output of lnterference signal + no1-se power
`measurernent circult 404 and the output of desired power
`measurement circult 403. SINR is .calculated f rom this
`The reception guallty measurement result
`calculated J.n this way ls sent to multiplextng circuit
`206. MuJ.tiplexlng clrcult 206 assigns the transmissj.on
`d.ata and. reception quallty measurement result
`to a
`transmission sIot. Modulation circuit 207 mod,ulates
`such transmissi-on d.ata and transmission RF circui-t 208
`converts the frequency and amplifles. Thls
`transmission slgna1 1s sent from antenna 20L via duplexer
`zuz.
`
`Here, how the transmission rate switching
`inf ormation is reported. from the communicatj-on terminal-
`apparatus to the base station apparatus is explaj_ned.
`There are two types of reportirgr reporting all the time
`and report j-ng on an as-needed. basis.
`S j-nce the f irst
`method performs reportlng all the time, it can switch
`the transmisslon rate with hlgh precision but the amount
`of communication lncreases.
`In the case of volce communlcatlons, voi-ce
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`IPR2018-01473
`Apple Inc. EX1002 Page 21
`
`

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`1nf ormatj.on (message) ls of ten transmitted multlpJ-exed,
`with control lnformation in one slot as shown in FIG.6.
`Therefore, reporting all the tlme is possible in voice
`communications or Low-speed data conmunicatlons.
`In the J.atter method., only a small- amount of
`communication 1s required because reporting is performed
`only when required.. It is desirable to use this method
`for packet communlcatlons to realize high-speed data
`communlcations. In packet communicatlons,
`lntermlttent
`l-nformatlon 1s sent ln a short time. Thus,
`as shown in FIG.7(a.) and Ff G.7(b) , control lnf ormatj-on
`is not multlplexed in a slot but a f J-ag ind.icating whether
`1t 1s a message or control l-nf ormation is used. FIG.7 (a)
`shows a case where a flag I.s set to ind.icate a message.
`FIG.7(b) shows a case where a flag is set to indi'cate
`control information.
`Then, the timlng for swltching the transmission
`rate j.s explained. There are f our method.s of tlmj.ng f or
`switchlng the transmisslon rate as shown below:
`The first method 1s explained, using fIG. B. Whj.le
`the transmi.ssion termlnal apparatus ls measurlng the
`receptj-on quality,
`there are moments the reception
`quality d.eteriorates drastically.
`In a mobile
`communicati-on environment, i-n the case of non- 1i-ne -
`n€-c'i nhr-
`tf nars-LOS) COmmUniCatiOn Called
`"ShadOWing",
`€nr av:mrr1a
`the receiVed Si.gnaI strength decreaSes
`drastlcal.ly by 10 d.B or more. Whlle monltorlng such a
`reporting is made when the receptlon quality
`sltuation,
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`IPR2018-01473
`Apple Inc. EX1002 Page 22
`
`

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`d.eterlorates drastlcally.
`Upon receptlon of this
`reception quality report, the base station apparatus
`switches the transmj.ssion rate. When the reception
`quality improves, which is measured on the communicatj-on
`terminar side period.ically or by a demand from the base
`the base statlon apparatus switches the
`station,
`transmission rate to the origlnal
`transmission rate
`The timlng at whj-ch the receptlon quality deterJ.orates
`or lmproves d,rastically can be d.etected by performing
`threshold. jud.gment on the receptj-on quality such as
`reception field, densJ-ty, for example.
`Then, the second, rnethod. is explalned. usJ.ng !'IG.9.
`The base statlon apparatus measures the receptJ-on
`quality.
`the reception quality deteriorates
`If
`drasti-ca11y, this can be determined. as non-LOS
`communication called "shadovring. " Shad.owing is
`d.etermlned by the posltion of the antenna of the
`communicatlon terminal apparatus and. the antenna of the
`base station apparatus and not affected. by dlfferences
`in the carrier frequency. Therefore, in such a case, it
`is possible that the reception quality will also
`deterJ.orate drastically
`in the communication ternrinal
`apparatus. Thus, the base station apparatus sends a
`renrrecf
`for
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`communj-cation terminal apparatus. The communj-cation
`terminal apparatus measures the reception qualJ ty and.
`to the base station apparatus. Ihe base
`reports lt
`station apparatus performs transmission rate swLtching
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`IPR2018-01473
`Apple Inc. EX1002 Page 23
`
`

`

`4
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`control according to the xeported receptlon guallty.
`When the receptlon quality improves, which j.s measured
`on the communlcatj.on terrnlnal slde period.icaJ-Iy or by
`a request from the base, the base statiofr apparatus
`switches the transmission rate to the original
`transmission rate. The tJ.ming at which the receptj_on
`quality deterlorates or lmproves drasticalty can be
`detected by performing threshold judgment on the
`reception quallty,
`for example, received signal
`s trength
`Then, the third method ls explalned usLng FIG.10.
`If there is an error in the message received., tl"
`communlcation terminal apparatus issues a
`retransmj.ss1.on request. The base station apparatus
`sends a request for reporting the reception quaJ.ity to
`the comrnunlcatlon termlnal apparatus when the
`communlcation terminal apparatus issues a
`retransmissj-on reguest. The communication termlnal
`apparatus measures the reception quality and, reports it
`to the base station apparatus. The base station
`apparatus performs transmission rate swj-tching control
`according to the reported reception quality. For
`exarnple, if the reported. reception quality measured. by
`the communlcatj-on termlnal apparatus 1s lower than a
`predetermined value, the base station apparatus switches
`the transmission rate. When the receptlon quaJ.ity
`improves, whlch 1s measured on the communlcation
`terminal side perlod,ically or by a demand, from the base
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`IPR2018-01473
`Apple Inc. EX1002 Page 24
`
`

`

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`statj.on, the base statlon apparatus swltches the
`transmlsslon rate to the original
`transmissj-on rate.
`The timing at which the receptlon quallty d.eter1.orates
`or lmproves drastically can be detected by performing
`threshold. Jud.gment on the receptlon quality, f or exarnple,
`receJ-ved signal strength.
`Then, the fourth method is explained using FIG.l-1.
`The base statlon apparatus monitors the transmi-ssj-on
`The base statlon apparatus controls the
`power of ltself.
`transmission power based. on a transmisslon power control
`signal sent from ttre communicatlon terminal apparatus,
`and if the qualj.ty of transmlssj-on from the base st.ation
`apparatus to the communication terminal apparatus
`the communlcation terrninal apparatus
`deterlorates,
`requests an lncrease of transmissj.on power. If
`this
`request is judged to be excessive transmission power
`taklng j.nto account the amount of interference with
`others, the base statlon apparatus performs transrnission
`rate switchlng control.
`Judgment of excessive
`transmisslon power can be performed, by threshold.
`judginent, f or example. Moreover, if a predetermined.
`a1lowable amount of transrnission power has been secured,
`then the base station apparatus switches the
`transmisslon rate to the orlglnal
`transmission rate.
`This pred.etermlned allowable anount of transmj.ssj"on
`povrer is determlned appropriately according to the
`amount of transmlss j.on rate controlled. For example, if
`the transmission rate 1s reduced. to 1/2, the transrnissj.on
`
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`IPR2018-01473
`Apple Inc. EX1002 Page 25
`
`

`

`t5
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`rate is swltched when at 1east an allowab1e amount of
`3 dB has been secured.
`By the way, combining some of the 4 methods above
`can eliminate delays tn switchlng the transmisslon rate
`and perform dellcate control.
`Thus, the reception quallty measurement result of
`the downJ.lnk signal transmitted from the base station
`apparatus sh

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