Filed: September 25, 2023
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`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`_____________________________
`
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`_____________________________
`
`
`MEDIATEK INC. and NXP USA, Inc.
`Petitioners,
`
`v.
`
`Bell Northern Research, LLC,
`Patent Owner.
`
`_____________________________
`
`IPR2023-01414
`U.S. Patent 8,416,862
`Filing Date: September 28, 2005
`Issue Date: April 9, 2013
`_____________________________
`
`PETITION FOR INTER PARTES REVIEW
`OF U.S. PATENT 8,416,862
`
`

`

`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`TABLE OF CONTENTS
`
`V.
`
`INTRODUCTION ........................................................................................... 1
`I.
`II. MANDATORY NOTICES UNDER 37 C.F.R. §42.8 ..................................... 1
`A.
`Real Parties-In-Interest Under 37 C.F.R. §42.8(b)(1) ............................ 1
`B.
`Related Matters Under 37 C.F.R. §42.8(b)(2) ....................................... 2
`C.
`Lead And Back-Up Counsel Under 37 C.F.R. §42.8(b)(3) .................. 4
`D.
`Service Information ............................................................................... 5
`III. PAYMENT OF FEES ...................................................................................... 6
`IV. REQUIREMENTS FOR IPR UNDER 37 C.F.R. §42.104 .............................. 6
`A. Grounds for Standing Under 37 C.F.R. §42.104(a) ............................... 6
`B.
`Challenge Under 37 C.F.R. §42.104(b) and Relief Requested .............. 6
`SUMMARY OF THE ’862 PATENT.............................................................. 7
`A.
`Background ........................................................................................... 7
`B.
`Brief Description ................................................................................... 8
`C.
`Critical Date .........................................................................................11
`D. Ordinary Skill in the Art ......................................................................12
`VI. CLAIM CONSTRUCTION UNDER 37 C.F.R. §42.104(b)(3).....................12
`A.
`“a baseband processing module operable to…” ..................................13
`B.
`“a plurality of Radio Frequency (RF) components” ...........................14
`C.
`“decompose the estimated transmitter beamforming unitary
`matrix (V) to produce the transmitter beamforming
`information” .........................................................................................14
`VII. GROUND 1: CLAIMS 1-4 and 9-12 ARE OBVIOUS IN VIEW OF
`LI-748, TONG, AND MAO ..........................................................................15
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
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`Li-748 Overview .................................................................................15
`A.
`Tong Overview ....................................................................................18
`B.
`C. Mao Overview .....................................................................................23
`D. Obviousness in view of Li-748, Tong, and Mao .................................24
`1.
`Claims 1-4 .................................................................................26
`2.
`Claim 9 ......................................................................................27
`3.
`Claims 2 and 10.........................................................................41
`4.
`Claims 3 and 11.........................................................................44
`5.
`Claims 4 and 12.........................................................................45
`VIII. GROUND 2: CLAIMS 1-4 and 9-12 ARE OBVIOUS OVER TONG
`AND MAO .....................................................................................................46
`1.
`Claims 1-4 .................................................................................47
`2.
`Claim 9 ......................................................................................48
`3.
`Claims 2 and 10.........................................................................54
`4.
`Claims 3 and 11.........................................................................56
`5.
`Claims 4 and 12.........................................................................56
`IX. GROUND 3: CLAIMS 1, 3, 4, 9, 11, AND 12 ARE OBVIOUS OVER
`LI-054 AND MAO .........................................................................................57
`A.
`Li-054 Overview .................................................................................57
`B. Obviousness in view of Li-054 and Mao .............................................59
`1.
`Claims 1, 3, and 4......................................................................59
`2.
`Claim 9 ......................................................................................60
`3.
`3 and 11 .....................................................................................67
`
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`4 and 12 .....................................................................................67
`4.
`X. GROUND 4: CLAIMS 2 and 10 ARE OBVIOUS IN VIEW OF LI-
`054, MAO, AND YANG ...............................................................................67
`A. Yang Overview ....................................................................................67
`B. Obviousness in view of Li-054, Mao, and Yang .................................68
`1.
`Claim 2 ......................................................................................68
`2.
`Claim 10 ....................................................................................69
`XI. GROUND 5: CLAIMS 1, 3-4, 9 AND 11-12 ARE OBVIOUS IN
`VIEW OF POON AND MAO .......................................................................70
`A.
`Poon Overview ....................................................................................70
`B. Obviousness in view of Poon and Mao ................................................71
`1.
`Claims 1, 3, and 4......................................................................72
`2.
`Claim 9 ......................................................................................73
`3.
`Claims 3 and 11.........................................................................78
`4.
`Claims 4 and 12.........................................................................79
`XII. TRIAL SHOULD BE INSTITUTED ............................................................79
`XIII. CONCLUSION ..............................................................................................81
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`iii
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`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`Table of Authorities
`
`Cases
`
`Apple Inc. v. Fintiv, Inc.
`IPR2020-00019, Paper 11 (P.T.A.B. Mar. 20, 2020) .........................................79
`Dynamic Drinkware, LLC, v. National Graphics, Inc.
`800 F.3d 1375 (Fed. Cir. 2015) ..........................................................................18
`KSR Int’l Co. v. Teleflex Inc.
`550 U.S. 398 (2007) .................................................................................... passim
`Phillips v. AWH Corp.
`415 F.3d 1303 (Fed. Cir. 2005) ...........................................................................12
`Wellman, Inc. v. Eastman Chem. Co.
`642 F.3d 1355 (Fed. Cir. 2011) ..........................................................................13
`Statutes
`35 U.S.C. § 103 ......................................................................................................6, 7
`35 U.S.C. § 112(6) ...................................................................................................14
`Other Authorities
`
`Director Vidal
`Interim Procedure for Discretionary Denials in AIA Post-Grant
`Proceedings with Parallel District Court Litigation (June 21, 2022) ................79
`Regulations
`37 C.F.R. §42.100 ....................................................................................................12
`P.T.A.B. Cases
`Apple Inc. v. Bell Northern Research, LLC
`IPR2021-01590, Paper 2 (P.T.A.B. Oct. 4, 2021) ..........................................1, 81
`Cast Lighting, LLC v. Wangs Alliance Corp
`PGR2021-00012, Paper 12 (P.T.A.B. June 7, 2021) ..........................................80
`
`iv
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`
`Huawei Techs. Co. Ltd. v. Bell Northern Research, LLC,
` IPR2019-01439, Paper 9 (P.T.A.B. Dec. 13, 2019) ..........................................81
`LG Elecs., Inc. v. Bell Northern Research, LLC
`IPR2020-00108, Paper 14 (P.T.A.B. May 20, 2020) ................................. passim
`LG Elecs., Inc. v. Bell Northern Research, LLC
`IPR2020-00108, Paper 22 (P.T.A.B. July 29, 2020) ............................... 2, 13, 80
`OnePlus Tech. Shenzhen Co., Ltd. v. Bell Northern Research, LLC
`IPR2022-00048, Paper 2 (P.T.A.B. October 19, 2021) ..................................1, 80
`Samsung Elecs. Co. Ltd. v. Bell Northern Research, LLC
`IPR2020-00611, Paper 14 (P.T.A.B. Oct. 27, 2020) ..........................................81
`Samsung Elecs. Co. Ltd. v. Bell Northern Research, LLC
`IPR2020-00613, Paper 10 (P.T.A.B. Aug. 24, 2020) .........................................81
`ZTE Corp. v. Bell Norhtern Research, LLC, IPR2019-01438, Paper 10
`(P.T.A.B. Dec. 17, 2019) ....................................................................................81
`
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`EX1001
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
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`
`EXHIBITS
`
`U.S. Pat. No. 8,416,862 to Aldana et al. (“the ’862 patent”)
`
`EX1002
`
`Prosecution History of the ’862 patent (Serial No. 11/237,341)
`
`EX1003
`
`Declaration of Dr. Jonathan Wells
`
`EX1004
`
`U.S. Pat. No. 7,236,748 to Li et al. (“Li-748”)
`
`EX1005
`
`U.S. Pub. No. 2008/0108310 to Tong et al. (“Tong”)
`
`EX1006
`
`U.S. Pat. No. 7,312,750 to Mao et al. (“Mao”)
`
`EX1007
`
`U.S. Pub. No. 2006/0092054 to Li et al. (“Li-054”)
`
`EX1008
`
`EX1009
`
`EX1010
`
`EX1011
`
`EX1012
`
`EX1013
`
`EX1014
`
`EX1015
`
`Yang et al., Reducing the Computations of the Singular Value
`Decomposition Array Given by Brent and Luk, SIAM J. MATRIX
`ANAL. APPL., Vol. 12, No. 4, pp. 713-725, Oct. 1991 (“Yang”)
`U.S. Pat. No. 7,710,925 to Poon (“Poon”)
`
`U.S. Provisional Application Serial No. 60/673,451 (“’451
`provisional”)
`U.S. Provisional Application Serial No. 60/698,686 (“’686
`provisional”)
`U.S. Provisional Application Serial No. 60/614,621 (“’621
`Provisional”)
`U.S. Provisional Application Serial No. 60/619,461 (“’461
`Provisional”)
`U.S. Patent Application Serial No. 11/168,793 (“’793 application”)
`
`Plaintiff Bell Northern Research, LLC’s Patent Rule 3-1 and 3-2
`Disclosure of Asserted Claims and Infringement Contentions
`Against the Huawei Defendants in Bell Northern Research, LLC, v.
`
`vi
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`EX1016
`
`EX1017
`
`EX1018
`
`EX1019
`
`EX1020
`
`EX1021
`
`Ex1022
`
`Ex1023
`
`Ex1024
`
`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`Huawei Device (Dongguan) Co., Ltd., Huawei Device (Shenzhen)
`Co., Ltd., and Huawei Device USA, Inc. (Case No. 3:18-cv-1784)
`(S. D. Cal.)
`Defendants’ Invalidity Contentions in Bell Northern Research, LLC,
`v. Huawei Device (Dongguan) Co., Ltd., Huawei Device (Shenzhen)
`Co., Ltd., and Huawei Device USA, Inc. (Case No. 3:18-cv-1784)
`(S.D.Cal.)
`Defendants’ Joint Opening Claim Construction Brief in Bell
`Northern Research, LLC, v. Huawei Device (Dongguan) Co., Ltd.,
`Huawei Device (Shenzhen) Co., Ltd., and Huawei Device USA, Inc.
`(Case No. 3:18-cv-1784) (S.D.Cal.)
`Plaintiff’s Opening Claim Construction Brief in Bell Northern
`Research, LLC, v. Huawei Device (Dongguan) Co., Ltd., Huawei
`Device (Shenzhen) Co., Ltd., and Huawei Device USA, Inc. (Case
`No. 3:18-cv-1784) (S.D.Cal.)
`Defendants’ Memorandum of Points and Authorities in Support of
`Their Joint Motion for Summary Judgement on Indefiniteness in
`Bell Northern Research, LLC, v. Huawei Device (Dongguan) Co.,
`Ltd., Huawei Device (Shenzhen) Co., Ltd., and Huawei Device
`USA, Inc. (Case No. 3:18-cv-1784) (S.D.Cal.)
`Transcript of Claim Construction Hearing, Day Two, Volume Two,
`Pages 1-122 in Bell Northern Research, LLC, v. Huawei
`Technologies CO., LTD., Huawei Device (Hong Kong) CO., LTD.,
`and Huawei Device USA, Inc. (Case No. 3:18-cv-1784) (S.D.Cal.)
`Declaration of Sylvia Hall-Ellis
`
`Claim Construction Order and Order on Motions for Summary
`Judgment, Bell Northern Research v. Huawei Techs. Co. et al. (Case
`No. 18-cv-1784-CAB-BLM) (S.D.Cal.)
`Joint Claim Construction and Prehearing Statement, Bell Northern
`Research LLC v. HMD North America, Inc. et al (Case No. 1:22-cv-
`22706-RNS) (S.D. Fla)
`Order Granting Motion to Stay, Bell Northern Research, LLC v.
`Qualcomm Inc. et al, 8-23-cv-01065, Dkt. 57 (CDCA Aug. 14, 2023)
`
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
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`Ex1025
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`
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`Text Order Granting Motion to Stay, Bell Northern Research, LLC
`v. NXP Semiconductors, N.V. et al, 1-23-cv-00633 (WDTX July 31,
`2023)
`
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`Table of Claims
`
`Element Claim Language
`
`[1.P ]
`
`[1a]
`
`[1b]
`
`[1c]
`
`[1d]
`
`[1e]
`
`[2]
`
`[3]
`
`[4]
`
`Claim 1
`1. A method for feeding back transmitter beamforming information
`from a receiving wireless communication device to a transmitting
`wireless communication device, the method comprising:
`[1a] the receiving wireless communication device receiving a
`preamble sequence from the transmitting wireless device;
`[1b] the receiving wireless device estimating a channel response
`based upon the preamble sequence;
`[1c] the receiving wireless device determining an estimated
`transmitter beamforming unitary matrix (V) based upon the channel
`response and a receiver beamforming unitary matrix (U);
`[1d] the receiving wireless device decomposing the estimated
`transmitter beamforming unitary matrix (V) to produce the
`transmitter beamforming information; and
`[1e] the receiving wireless device wirelessly sending the transmitter
`beamforming information to the transmitting wireless device.
`Claim 2
`2. The method of claim 1 wherein the receiving wireless device
`determining an estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and a receiver beamforming
`unitary matrix (U) comprises: the receiving wireless device
`producing the estimated transmitter beamforming unitary matrix (V)
`in Cartesian coordinates; and the receiving wireless device
`converting the estimated transmitter beamforming unitary matrix (V)
`to polar coordinates.
`
`Claim 3
`3. The method of claim 1 wherein the channel response (H),
`estimated transmitter beamforming unitary matrix (V), and the
`receiver beamforming unitary matrix (U) are related by the equation:
`H=UDV* where, D is a diagonal matrix.
`Claim 4
`4. The method of claim 3, wherein the receiving wireless device
`determining an estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and a receiver beamforming
`unitary matrix (U) comprises performing a Singular Value
`Decomposition (SVD) operation.
`ix
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`

`
`
`[9p]
`[9a]
`
`[9b]
`[9c]
`[9d]
`[9e]
`
`[9f]
`
`[9g]
`
`[10]
`
`[11]
`
`[12]
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`Claim 9
`9. A wireless communication device comprising:
`[9a] a plurality of Radio Frequency (RF) components operable to
`receive an RF signal and to convert the RF signal to a baseband
`signal; and
`[9b] a baseband processing module operable to:
`[9c] receive a preamble sequence carried by the baseband signal;
`[9d] estimate a channel response based upon the preamble sequence;
`[9e] determine an estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and a receiver beamforming
`unitary matrix (U);
`[9f] decompose the estimated transmitter beamforming unitary
`matrix (V) to produce the transmitter beamforming information; and
`[9g] form a baseband signal employed by the plurality of RF
`components to wirelessly send the transmitter beamforming
`information to the transmitting wireless device.
`Claim 10
`10. The wireless communication device of claim 9, wherein in
`determining an estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and a receiver beamforming
`unitary matrix (U), the baseband processing module is operable to:
`produce the estimated transmitter beamforming unitary matrix (V) in
`Cartesian coordinates; and
`convert the estimated transmitter beamforming unitary matrix (V) to
`polar coordinates.
`
`Claim 11
`11. The wireless communication device of claim 9, wherein
`the channel response (H), estimated transmitter beamforming unitary
`matrix (V), and the receiver beamforming unitary matrix (U) are
`related by the equation: H=UDV* where, D is a diagonal matrix.
`Claim 12
`12. The wireless communication device of claim 9, wherein in
`determining the estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and the receiver beamforming
`unitary matrix (U), the baseband processing module performs
`Singular Value Decomposition (SVD) operations.
`
`x
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`

`
`INTRODUCTION
`I.
`MediaTek Inc. (“MediaTek”) and NXP USA, Inc. (“NXP”), (collectively,
`
`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`“Petitioners”) petitions for Inter Partes Review (“IPR”) of claims 1-4 and 9-12 (“the
`
`Challenged Claims”) of U.S. Patent 8,416,862 (“the ’862 patent”). The ’862 patent
`
`describes wirelessly “feeding back transmitter beamforming information” from a
`
`receiving device to a transmitting device. EX1001, Abstract. But the device claimed
`
`was just a conventional variation of typical devices as of the alleged priority date.
`
`Grounds 1-5 raise prior art combinations not raised during prosecution and
`
`previously found to present a reasonable likelihood of success in at least one prior
`
`IPR settled shortly after institution. IPR2020-00108, LG Elecs., Inc. v. Bell Northern
`
`Research, LLC, Paper 14, 14-39 (P.T.A.B. May 20, 2020) (not challenging claims 1-
`
`4 but granting institution of claims 9-12 on the grounds 1-5 presented herein);see
`
`also IPR2021-01590, Paper 2 (challenging claims 1-4 and 9-12 on the same grounds,
`
`but settled before institution); IPR2022-00048, Paper 2 (same). Petitioners therefore
`
`request the Board to institute IPR of the Challenged Claims.
`
`II. MANDATORY NOTICES UNDER 37 C.F.R. §42.8
`A. Real Parties-In-Interest Under 37 C.F.R. §42.8(b)(1)
`MediaTek Inc., MediaTek USA Inc., MediaTek North America Inc., MTK
`
`Wireless Limited (UK), Gaintech Co. Limited, MediaTek Investment Singapore Pte.
`
`Ltd., NXP Semiconductors N.V., and NXP USA, Inc. are the real parties-in-interest.
`
`1
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`

`

`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`No other parties had control over the present Petition, and no other parties funded
`
`the present Petition.
`
`Petitioners agree with and adopt herein analyses previously submitted in
`
`IPR2020-00108, LG Electronics, Inc. challenging claims 9-12 of the ’862 Patent.
`
`The Board Instituted on May 20, 2020 (Paper 14), and terminated on July 29, 2020,
`
`following settlement (Paper 22).
`
`B. Related Matters Under 37 C.F.R. §42.8(b)(2)
`Petitioners are party to the following proceedings involving the ’862 patent:
`
`• Bell Northern Research, LLC v. Qualcomm Inc. et al, 8-23-cv-01065
`(CDCA)
`• Bell Northern Research, LLC v. NXP Semiconductors, N.V. et al, 1-23-cv-
`00633 (WDTX)
`• Electronic Devices and Semiconductor Devices Having Wireless
`Communication Capabilities and Components Thereof, Inv. No. 337-TA-
`1367 (Violation) 337-TA-1367 (ITC)
`The ’862 patent is or was also at issue in the below-listed proceedings, and
`
`Petitioners are not real party-in-interest to any of those below-listed proceedings.
`
`Also, none of the parties in the below-listed proceedings are a real party-in-interest
`
`in the proceedings involving Petitioners or in privity with Petitioners.
`
`• Bell Northern Research, LLC v. ZTE Corporation et al, 3-18-cv-01786
`(SDCA) (Aug. 1, 2018)
`• Bell Northern Research, LLC v. Kyocera Corporation et al, 3-18-cv-
`01785 (SDCA) (Aug. 1, 2018)
`• Bell Northern Research, LLC v. Huawei Device Co., Ltd. et al, 3-18-cv-
`01784 (SDCA) (Aug. 1, 2018)
`
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`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`• Bell Northern Research, LLC v. LG Electronics, Inc. et al, 3-18-cv-02864
`(SDCA) (Dec. 20, 2018)
`• ZTE Corporation et al v. Bell Northern Research, LLC, IPR2019-01438
`(PTAB) (Aug. 2, 2019)
`• Huawei Technologies Co., Ltd. et al v. Bell Northern Research, LLC,
`IPR2019-01439 (PTAB) (Aug. 2, 2019)
`• Bell Northern Research, LLC v. Samsung Electronics Co., Ltd. et al, 2-
`19-cv-00286 (EDTX) (Aug. 22, 2019)
`• LG Electronics Inc. et al v. Bell Northern Research, LLC, IPR2020-
`00108 (PTAB) (Nov. 12, 2019)
`• Samsung Electronics Co., Ltd. v. Bell Northern Research, LLC, IPR2020-
`00613 (PTAB) (Feb. 20, 2020)
`• Samsung Electronics Co., Ltd. v. Bell Northern Research, LLC, IPR2020-
`00611 (PTAB) (Feb. 20, 2020)
`• Bell Northern Research, LLC v. Apple Inc., 6-21-cv-00833 (WDTX)
`(Aug. 11, 2021)
`• Bell Northern Research, LLC v. Lenovo Group Ltd. et al, 6-21-cv-00847
`(WDTX) (Aug. 13, 2021)
`• Bell Northern Research, LLC v. Dell Technologies Inc. et al, 6-21-cv-
`00909 (WDTX) (Sept. 01, 2021)
`• Bell Northern Research, LLC v. CommScope Holding Company, Inc. et
`al, 6-21-cv-00941 (WDTX) (Sept. 10, 2021)
`• Bell Northern Research, LLC v. HP Inc., 6-21-cv-00939 (WDTX) (Sept.
`10, 2021)
`• TCL Industries Holdings Co., Ltd. et al v. Bell Northern Research, LLC,
`3-21-cv-01598 (SDCA) (Sept. 13, 2021)
`• Bell Northern Research, LLC v. TTE Technology, Inc et al, 2-21-cv-
`07323 (CDCA) (Sept. 13, 2021)
`• Certain Electronic Devices Having Wireless Communication Capabilities
`and Components Thereof, Inv. No. 337-TA-1284 (Violation), 337-TA-
`1284 (ITC) (Sept. 26, 2021)
`• Bell Northern Research LLC v. OnePlus Technology (Shenzhen) Co Ltd
`et al, 3-21-cv-02293 (NDTX) (Sept. 27, 2021)
`• Apple Inc. v. Bell Northern Research, LLC, IPR2021-01590 (PTAB)
`(Oct. 4, 2021)
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`• OnePlus Technology Shenzhen Co., Ltd. v. Bell Northern Research, LLC,
`IPR2022-00048 (PTAB) (Oct. 19, 2021)
`• Bell Northern Research, LLC v. HMD America, Inc. et al, 1-22-cv-21035
`(SDFL) (Apr. 6, 2022)
`• Bell Northern Research, LLC v. HMD America, Inc. et al, 1-22-cv-22706
`(SDFL) (Aug. 25, 2022)
`• Bell Northern Research, LLC v. Huaqin Co. Ltd., 1-22-cv-24026 (SDFL)
`(Dec. 13, 2022)
`• Bell Northern Research, LLC v. ASUSTeK Computer, Inc. et al, 4-23-cv-
`00573 (EDTX) (June 20, 2023)
`C. Lead And Back-Up Counsel Under 37 C.F.R. §42.8(b)(3)
`Petitioners provide the following designation of counsel.
`
`MediaTek Petitioners
`
`Lead Counsel
`Cory C. Bell (Reg. No. 75,096)
`
`cory.bell@finnegan.com
`Finnegan, Henderson, Farabow, Garrett
`& Dunner, LLP
`2 Seaport Lane, 6th Floor
`Boston, MA 02210-2001
`Tel: 617-646-1641
`Fax: 202-408-4400
`
`
`Backup Counsel
`Luke H. MacDonald (Reg. No. 79,064)
`
`luke.macdonald@finnegan.com
`Finnegan, Henderson, Farabow, Garrett &
`Dunner, LLP
`1875 Explorer Street, Suite 800
`Reston, VA 20190-6023
`Tel: 571-203-2700
`Fax: 202-408-4400
`
`NXP Petitioner
`
`Lead Counsel
`Brian K. Erickson
`USPTO Reg. No. 48,895
`DLA Piper LLP (US)
`303 Colorado Street Suite 3000
`Austin, Texas 78701-4653
`Tel.: (512) 457-7059
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`
`Fax: (512) 721-2263
`brian.erickson@us.dlapiper.com
`
`
`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`Backup Counsel
`Zachary Loney (Pro hac to be filed)
`DLA Piper LLP (US)
`303 Colorado Street Suite 3000
`Austin, Texas 78701-4653
`Tel.: (512) 457-7203
`Fax: (512) 721-2283
`zachary.loney@us.dlapiper.com
`
`
`Brent Yamashita
`USPTO Reg. No. 53,808
`DLA Piper LLP (US)
`2000 University Avenue
`East Palo Alto, California
`94303-2214
`Tel.: (650) 833-2348
`Fax: (650) 833-2001
`brent.yamashita@us.dlapiper.com
`Martin Ellison
`DLA Piper LLP (US)
`2000 Avenue of the Stars
`Suite 400 North Tower
`Los Angeles, CA 90067-4735
`Tel.: (310) 595-3058
`Fax: (310) 595-3342
`martin.ellison@us.dlapiper.com
`Peiyao Zhang
`DLA Piper LLP (US)
`2000 University Avenue
`East Palo Alto, California
`94303-2214
`Tel.: (650) 833-2348
`Fax: (650) 833-2001
`peiyao.zhang@us.dlapiper.com
`Service Information
`D.
`Petitioners consent to service by e-mail at the following addresses:
`
`Salvatore Tamburo
`USPTO Reg. No. 45,153
`DLA Piper LLP (US)
`500 Eighth Street SW
`Washington, DC 20004
`Tel.: (202) 799-4122
`Fax: (202) 863-7822
`salvatore.tamburo@us.dlapiper.com
`
`
`• cory.bell@finnegan.com
`
`• luke.macdonald@finnegan.com
`
`• MediaTek-BNR-IPR@finnegan.com
`
`5
`
`

`

`
`
`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`• Brian.erickson@us.dlapiper.com
`
`• Zachary.loney@us.dlapiper.com
`
`• DLANXP-BNR-IPR@us.dlapiper.com
`
`III. PAYMENT OF FEES
`The Office may charge any additional fees to Deposit Account No. 06-0916.
`
`IV. REQUIREMENTS FOR IPR UNDER 37 C.F.R. §42.104
`A. Grounds for Standing Under 37 C.F.R. §42.104(a)
`Petitioners certify that the ’862 patent is available for IPR and Petitioners are
`
`not barred or estopped from requesting IPR.
`
`B. Challenge Under 37 C.F.R. §42.104(b) and Relief Requested
`Petitioners request an IPR of claims 1-4 and 9-12 on the grounds listed below,
`
`and request the claims be found unpatentable. A declaration of Jonathan Wells
`
`(EX1003) supports the petition.
`
`Ground ‘862 Patent Claims Basis for Rejection
`1
`1-4, 9-12
`§103 – Li-748 (EX1004) in view of Tong
`(EX1005) and Mao (EX1006)
`
`2
`
`3
`
`4
`
`1-4, 9-12
`
`§103 – Tong in view of Mao
`
`1, 3-4, 9, 11-12
`
`§103 – Li-054 (EX1007) in view of Mao
`
`2, 10
`
`§103 – Li-054 in view of Mao and Yang
`(EX1008)
`
`6
`
`

`

`
`
`
`
`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`5
`
`1, 3-4, 9, 11-12
`
`§103 – Poon (EX1009) in view of Mao
`
`
`
`V.
`
`SUMMARY OF THE ’862 PATENT
`A. Background
`The ’862 patent explains a typical “transceiver (i.e., receiver and transmitter)”
`
`for a wireless communication device was “coupled to the antenna” and included a
`
`low noise amplifier, and intermediate frequency, filtering, and data recovery stages.
`
`EX1001, 1:60-67; 2:1-10 (conventional conversion of “the amplified RF signal into
`
`baseband signals”). The ’862 patent acknowledges transceivers traditionally
`
`incorporated beamforming: “a processing technique to create a focused antenna
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`beam by shifting a signal in time or in phase to provide gain of the signal in a desired
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`direction and to attenuate the signal in other directions.” Id., 2:66-3:4. The ’862
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`patent explains “[i]n order for a transmitter to properly implement beamforming (i.e.,
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`determine the beamforming matrix [V]), it needs to know properties of the channel
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`over which the wireless communication is conveyed,” necessitating receiver-
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`provided feedback information so the transmitter can determine the properties. Id.,
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`3:14-19; EX1003, ¶28. The receiver sends feedback to the transmitter by
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`“determin[ing] a channel response (H)” and providing it as “feedback information.”
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`EX1001, 3:19-22; EX1003, ¶28. This resulted in feedback data packs “so large that,
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`during the time it takes to send it to the transmitter, the response of the channel has
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`7
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`

`

`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`changed.” EX1001, 3:22-25. To reduce feedback size, conventional receivers
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`“decompose[d] the channel using singular value decomposition (“SVD”) and sen[t]
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`information relating only to a calculated value of the transmitter’s beamforming
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`matrix (V) as the feedback information.” Id., 3:26-30; EX1003, ¶28. To reduce
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`feedback size, conventional receivers calculated matrix V based on H=UDV*,1
`
`where H is channel response matrix, D is diagonal matrix, and U is receiver unitary
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`matrix, and only send information about matrix V. EX1001, 3:30-33; EX1003, ¶28.
`
`Per the ’862 patent, “[w]hile this approach reduces the size of the feedback
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`information, its size is still an issue for a MIMO wireless communication.” Id., 3:33-
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`35. The ’862 patent alleged “a need” “for reducing beamforming feedback
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`information for wireless communications” (3:49-51), but this allegation ignored the
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`state of the art. EX1003, ¶28.
`
`Brief Description
`B.
`The ’862 patent describes a wireless communication system including base
`
`stations, wireless communication devices, and network hardware. EX1001, FIG. 1,
`
`
`
`1 While each of matrices H, U, D (also called Σ), and V were referred to by various
`
`terminology in the art and the ’862 patent, a POSITA would have understood each
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`to identify the same respective matrix in this equation. EX1003, ¶¶53-56.
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`8
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
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`4:24-27. B ase stations are coupled to network hardware to connect to other devices.
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`Id., 4:46-52. Each base station has antenna(s) for communicating with wireless
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`communication devices. Id., 4:52-55.
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`The wireless communication device can include a host device and a radio. Id.,
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`FIG. 3, 7:21-27. The host device includes a radio interface for sending and receiving
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`data. Id., 7:28-30. The interface provides received data to a processing module and
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`provides processed data from the processing module to the radio for transmission.
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`Id., 7:36-40, 7:43-44.
`
`Figure 3 shows a radio with “baseband processing module 100, memory 65,
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`a plurality of radio frequency (RF) transmitters 106-110, a transmit/receive (T/R)
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`module 114, a plurality of antennas 81-85, [and] a plurality of RF receivers 118-
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`120.” Id., 7:51-56. The baseband processing module and operational instructions in
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`memory 65 execute digital receiver/transmitter functions, including “digital
`
`intermediate frequency to baseband conversion.” Id., 7:56-64.
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`The baseband processing module includes “processing devices,” which “may
`
`be a microprocessor, micro-controller, … digital circuitry,” etc. Id., 8:1-9. In
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`operation, in receive mode, “baseband processing module 100, based on the mode
`
`selection signal 102 produces one or more outbound symbol streams 104 from the
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`outbound data 94.” Id., 8:46-48. It “converts the inbound symbol streams 124 into
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`inbound data 92, which is provided to the host device 18-32.” Id., 9:9-12.
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`9
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
`
`The method of Figure 7 “addresses the feedback of observed transmitter
`
`beamforming information from a receiving wireless communication device to a
`
`transmitting wireless communication device.” Id., 13:25-32; FIG. 7. The patent
`
`admits Figure 7’s steps are “typically performed by a baseband processing module”
`
`of a receiving wireless device. Id., 13:25-35; FIG. 7.
`
`That method includes conventional steps, including receiving a preamble,
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`estimating a channel response H at the receiver, and estimating the transmitter
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`beamforming matrix V based on the channel response H and receiver beamforming
`
`unitary matrix U. Id., 13:36-47. The ’862 patent explains “channel response (H),
`
`estimated transmitter beamforming unitary matrix (V), and the known receiver
`
`beamforming unitary matrix (U) are related” by well-known singular value
`
`decomposition (SVD) equation: “H=UDV*, where, D is a diagonal matrix,” to
`
`determine estimated transmitter beamforming unitary matrix (V). Id., 13:47-53;
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`EX1003, ¶¶28, 39, 53.
`
`To purportedly reduce beamforming feedback information, the ’862 patent
`
`proposed a known “solution”—decomposing the estimated transmitter beamforming
`
`unitary matrix (V) using a “Givens Rotation.” Id., 13:58-67; EX1003, ¶39. It
`
`explains “the coefficients of the Givens Rotation and the phase matrix coefficients
`
`serve as the transmitter beamforming information that is sent from” receiver to
`
`transmitter. EX1001, 15:34-38.
`
`In particular, the transmitter beamforming
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`Petition for Inter Partes Review
`U.S. Patent 8,416,862
`
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`information is the product of the Givens Rotation (“the set of angles … are
`
`reduced”). Id., 13:63-14:3; see also 14:34-36; EX1003, ¶39. Using these techniques,
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`“the feedback of transmitter beamforming information” requires less data. Id.,
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`15:59-61. But, as explained in Grounds 1-5, these solutions were in prior art
`
`publications.
`
`C. Critical Date
`The ’862 patent issued on April 9, 2013, from Application No. 11/237,341
`
`(“’341 application”), filed September 28, 2005. EX1001, cover. It is a continuation-
`
`in-part of Application No. 11/168,793 (“’793 application”, EX1014), filed June 28,
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`2005, and claims priority to Provisional Application Nos. 60/673,451 (“’451
`
`provisional”, EX1010), filed April 21, 2005, and 60/698,686 (“’686 provisional”,