BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`Asserted Claims
`
`9. A wireless communication device
`comprising:
`
`
`Samsung Galaxy S10!
`
`Tothe extent that the preamble is found to be limiting, the Samsung Galaxy S10 is a wireless
`communication device.
`
`
`
`'Device images presented in Exhibit C are images of LG’s Samsung Galaxy S10. The features presented in those images are
`substantially similar in all material respects to the analogous features of the other devices accused ofinfringing the United States Patent No.
`
`
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`Asserted Claims
`
`9. A wireless communication device
`comprising:
`
`
`Samsung Galaxy S10!
`
`Tothe extent that the preamble is found to be limiting, the Samsung Galaxy S10 is a wireless
`communication device.
`
`
`
`'Device images presented in Exhibit C are images of LG’s Samsung Galaxy S10. The features presented in those images are
`substantially similar in all material respects to the analogous features of the other devices accused ofinfringing the United States Patent No.
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`[i] a plurality of Radio Frequency
`(RF) components operable to receive
`an RF signal and to convert the RF
`signal to a basebandsignal; and
`
`The Samsung Galaxy S10 includesa plurality of Radio Frequency (RF) components operable to
`receive an RF signal and to convert the RF signal to a basebandsignal.
`
`The Samsung Galaxy S10 complies with the 802.1 lac standard (“Part 11: Wireless LAN Medium,
`Access Control (MAC)and Physical Layer (PHY) Specifications”).
`
`g973uzbaxaa/#specs, last accessed January 14, 2020.
` Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`As shownbelow, the Samsung Galaxy S10 supports beamformeecapabilities and therefore must
`comply with the beamforming sections of the 802.1 lac, which includes beamformingrelated
`features of Clause 19 and Clause 21.
`
`Connectivity
`
`Wi-Fi
`
`802.11 a/b/g/n/ac/ax 2.4G+5GHz,
`HE80, MIMO, 1024-QAM
`
`See https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s10-128gb-unlocked-sm-
`g973uzbaxaa/#specs, last accessed January 14, 2020.
`
`Connectivity
`
`Wi-Fi &@
`
`802.11 a/b/g/n/ac/ax 2.4G+5GHz,
`HE80, MIMO, 1024-QAM
`
`See https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s10-128gb-unlocked-sm-
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`[ii] a baseband processing module
`operableto:
`
`The Samsung Galaxy S10 includes a baseband processing module.
`
`HE80, MIMO, 1024-QAM
`
`The basebandprocessing module in the Samsung Galaxy S10 is operable to receive a preamble
`sequencecarried by the baseband signal. First, the Samsung Galaxy S10 complies with the
`802.1 lac standard (“Part 11: Wireless LAN Medium, Access Control (MAC) and Physical Layer
`(PHY)Specifications”).
`
`[ii][a] receive a preamble sequence
`carried by the basebandsignal
`
`The Samsung Galaxy S10 complies with the 802.1 lac standard (“Part 11: Wireless LAN Medium,
`Access Control (MAC) and Physical Layer (PHY) Specifications”).
`
`Connectivity
`wi-Fi @
`802.11 a/b/g/n/ac/ax 2.4G+5GHz,
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`See https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s10-128gb-unlocked-sm-
`g973uzbaxaa/#specs, last accessed January 14, 2020.
`
`As shownbelow,the Samsung Galaxy S10 supports beamformeecapabilities and therefore must
`comply with the beamformingsections of the 802.1 lac, which includes beamformingrelated
`features of Clause 19 and Clause 21.
`
`Connectivity
`
`Wi-Fi
`
`802.11 a/b/g/n/ac/ax 2.4G+5GHz,
`HE80, MIMO, 1024-QAM
`
` Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`See https://www.samsung.com/us/mobile/phones/galaxy-s/galaxy-s10-128gb-unlocked-sm-
`g973uzbaxaa/#Hspecs, last accessed January 14, 2020.
`
`Anydevice that complies with the 802.1 1ac standard must be capable of receiving a preamble
`sequence carried by the basebandsignal.
`
`21.3.8 VHT preamble
`21.3.8.1 Introduction
`A VHTpreambleis defined to carry the required information to operate in either single user
`or multi-user mode. To maintain compatibility with non-VHT STAs, specific non-VHT
`fields are defined that can be received by non-VHT STAs compliant with Clause 17 or
`Clause 19. The non-VHTfields are followed by VHTfields specific to VHT STAs.
`
`See 802.11-2016 (p. 2538).
`
`21.3.11.2 Beamforming Feedback Matrix V
`Uponreceipt of a VHT NDPsounding PPDU, the beamformee shall remove the space-time
`stream CSD in Table 21-11 from the measured channel before computing a set of matrices
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`beamformee wu for subcarrier k shall be compressed in the form of angles using the method
`described in 19.3.12.3.6. The angles, g(k,u) and wW(k,u), are quantized according to Table 9-
`68. The numberofbits for quantization is chosen by the beamformee, based on the
`indication from the beamformeras to whether the feedback is requested for SU-MIMO
`beamforming or DLMU-MIMObeamforming. The compressed beamforming feedback
`using 19.3.12.3.6 is the only Clause 21 beamforming feedback format defined.
`
`See 802.11-2016 (p. 2579).
`
`21.3.12 VHT preamble format for sounding PPDUs
`NDPis the only VHT sounding format.
`
`The format of a VHT NDP PPDUis shownin Figure 21-28.
`
`[ii][b] estimate a channel response
`based upon the preamble sequence
`
`See 802.11-2016 (p. 2580).
`Whenthe Samsung Galaxy S10 receives a preamble sequence, the baseband processing module is
`operable to estimate a channel response based upon the preamble sequence.
`
`Figure 21-28—VHT NDP format
`
`21.3.8 VHT preamble
`21.3.8.1 Introduction
`A VHTpreambleis defined to carry the required information to operate in either single user
`or multi-user mode. To maintain compatibility with non-VHT STAs,specific non-VHT
`fields are defined that can be received by non-VHT STAs compliant with Clause 17 or
`Clause 19. The non-VHTfields are followed by VHTfields specific to VHT STAs.
`
`4us
`4us 4usperVHT-LTF symbol
`8 us
`4us
`8 us
`8 us
`—“—““-a——EFS"
`L-
`VHT-
`VHT-
`msca[SE]weer |
`
`
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`21.3.11.2 Beamforming Feedback Matrix V
`Upon receipt of a VHT NDP sounding PPDU, the beamformeeshall remove the space-time
`stream CSD in Table 21-11 from the measured channel before computing a set of matrices
`for feedback to the beamformer. The beamforming feedback matrix, Viu, found by the
`beamformee uw for subcarrier k shall be compressed in the form of angles using the method
`described in 19.3.12.3.6. The angles, @(k,u) and wW(k,u), are quantized according to Table 9-
`68. The numberofbits for quantization is chosen by the beamformee, based on the
`indication from the beamformeras to whether the feedback is requested for SU-MIMO
`beamforming or DLMU-MIMObeamforming. The compressed beamforming feedback
`using 19.3.12.3.6 is the only Clause 21 beamforming feedback format defined.
`
`See 802.11-2016 (p. 2579).
`
`19.3.12 Beamforming
`
`19.3.12.3.6 Compressed beamforming feedback matrix
`
`In compressed beamforming feedback matrix, the beamformeeshall remove the space-time
`stream CSD in Table 19-10 from the measured channel before computing a set of matrices for
`feedback to the beamformer. The beamforming feedback matrices, V(k), found by the
`beamformee are compressed in the form of angles, which are sent to the beamformer. The
`beamformer might use these angles to decompress the matrices and determinethe steering
`matrices Ok.
`
`See 802.11-2016 (p. 2398).
`
`21.3.8 VHT preamble
`21.3.8.1 Introduction
`A VHTpreambleis defined to carry the required information to operate in either single user
`or multi-user mode. To maintain compatibility with non-VHT STAs, specific non-VHT
`fields are defined that can be received by non-VHT STAs compliant with Clause 17 or
`
`
`
`
`
`4us
`4us 4usperVHI-LIF symbol
`8 us
`4us
`8 ys
`8 us
`oFOOOOo>1iia
`L-
`VHT-
`VHT-
`w;
`
`Figure 21-28—VHT NDP format
`
`See 802.11-2016 (p. 2580).
`
`19.3.13 HT Preamble format for sounding PPDUs
`
`19.3.13.1 General
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`See 802.11-2016 (p. 2538).
`
`21.3.12 VHT preamble formatfor sounding PPDUs
`NDPis the only VHT sounding format.
`
`The format of a VHT NDP PPDUis shownin Figure 21-28.
`
`See 802.11-2016 (p. 2400).
`
`The MIMO channel measurementtakes place in every PPDU asa result of transmitting the
`HT-LTFsaspart of the PHY preamble. The number of HT-LTFstransmitted shall be
`determined by the numberof space-time streams transmitted unless additional dimensionsare
`optionally sounded using HT-ELTFsandthese are transmitted using the samespatial
`transformation that is used for the Data field of the HT PPDU. Theuse of the samespatial
`transformation enables the computation of the spatial equalization at the receiver
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`[ii][c] determine an estimated
`transmitter beamforming unitary
`matrix (V) based upon the channel
`response anda receiver beamforming
`unitary matrix (U);
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`The baseband processing module of the Samsung Galaxy S10 is operable to determine an estimated
`transmitter beamforming unitary matrix (V) based upon the channel responseand a receiver
`beamforming unitary matrix (U).
`
`21.1.1 Introduction to the VHT PHY
`Clause 21 specifies the PHY entity for a very high throughput (VHT)orthogonal frequency
`division multiplexing (OFDM)system.
`In addition to the requirements in Clause 21, a VHT STAshall be capable of transmitting and
`receiving PDUsthat are compliant with the mandatory PHY specifications defined in Clause
`19.
`
`19.3.12.3.6 Compressed beamforming feedback matrix
`
`A VHT STA maysupport the following features:
`
`— Responding to transmit beamforming sounding (by providing compressed beamforming
`feedback)
`
`See 802.11-2016 (p. 2497).
`
`19.3.12 Beamforming
`19,3.12.1 General
`Beamforming is a technique in which the beamformerutilizes the knowledge of the MIMO
`channelto generate a steering matrix Ox that improves reception in the beamformee.
`
`The beamforming steering matrix that is computed (or updated) from a new channel
`measurementreplaces the existing Ox for the next beamformed data transmission. There are
`several methods of beamforming, differing in the way the beamformer acquires the
`knowledge of the channel matrices Hx and on whether the beamformer generates Ox or the
`beamformeeprovides feedback information for the beamformer to generate Ox.
`
`See 802.11-2016 (p. 2392-93).
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`In compressed beamforming feedback matrix, the beamformee shall remove the space-time
`stream CSD in Table 19-10 from the measured channel before computing a set of matrices for
`feedback to the beamformer. The beamforming feedback matrices, V(k), found by the
`beamformeeare compressedin the form of angles, which are sent to the beamformer. The
`beamformer might use these angles to decompress the matrices and determinethe steering
`matrices Ox.
`
`Eqn. 19-79 relates matrix V to beamforming information. The estimated transmitter beamforming
`matrix can be constructed using captured beamforming information and Equation (19-79).
`
`On information and belief, the Samsung Galaxy S10 uses singular value decomposition to
`determine the estimated transmitter beamforming unitary matrix:
`
`13 Transmit Beamforming
`The 802.11n standard doesnotdictate a specific approach for determining the transmitter
`weighting matrix. However, the most common approachis using singular value decomposition
`to calculate the transmitter weights.
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.1 1n and 802.1 lac, 2d ed
`(USA: Cambridge University Press, 2013) (p. 366)
`
`See 802.11-2016 (p. 2398).
`
` Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`13.2 Transmit Beamforming with SVD
`The motivation behind using the matrix V calculated by SVDis thatit results in maximum
`likelihood performance withalinear receiver, greatly simplifying receiver design...
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.11n and 802.1 lac, 2d ed
`(USA: Cambridge University Press, 2013) (p. 369)
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`The baseband processing module of the Samsung Galaxy $10 is operable to decompose the
`[ii][d] decompose the estimated
`estimated transmitter beamforming unitary matrix to produce the transmitter beamforming
`transmitter beamforming unitary
`matrix (V) to produce the transmitter|information.
`beamforming information; and
`
`21.3.11.2 Beamforming Feedback Matrix V
`Uponreceipt of a VHT NDP sounding PPDU,the beamformeeshall remove the space-time
`stream CSD in Table 21-11 from the measured channel before computing a set of matrices
`for feedback to the beamformer. The beamforming feedback matrix, Vi.u, found by the
`beamformee wu for subcarrier k shall be compressed in the form of angles using the method
`described in 19.3.12.3.6. The angles, g(k,u) and W(k,u), are quantized according to Table 9-
`68. The numberofbits for quantization is chosen by the beamformee, based on the
`indication from the beamformeras to whether the feedback is requested for SU-MIMO
`beamforming or DLMU-MIMO beamforming. The compressed beamforming feedback
`using 19.3.12.3.6 is the only Clause 21 beamforming feedback format defined.
`
`matrix becomesa unitary matrix.
`
`See 802.11-2016 (p. 2579).
`
`19.3.12.3.6 Compressed beamforming feedback matrix
`
`In compressed beamforming feedback matrix, the beamformeeshall remove the space-time
`stream CSD in Table 19-10 from the measured channel before computing a set of matrices for
`feedback to the beamformer. The beamforming feedback matrices, V(k), found by the
`beamformee are compressed in the form of angles, which are sent to the beamformer. The
`beamformermight use these angles to decompressthe matrices and determine the steering
`matrices Qk.
`
`The matrix V per tone shall be compressed as follows: The N,x Nc beamforming feedback
`orthonormal column matrix V found by the beamformeeshall be represented as shownin
`Equation (19-79). When the number of rows and columnsis equal, the orthonormal column
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`N,
`
`1) TT Gv,I“N,
`
`l=i+1
`
`1
`
`For example, a 4x2 V matnix has the representation shown in Equation (19-82).
`
`coswy, 00 sinyy, ;
`cosy3, 0 siny;) 0| r
`cosy, sinys, 00 ,
`9
`61
`0 6} oO 8
`.7sa¥n cosyOO |
`0
`0
`10 —sin;, 0 cosy, 0
`o
`o1
`0
`0
`0
`01
`0
`0
`0
`J
`[-sinvy 0.0 coswy
`
`0 0 01
`
`7
`0
`
`x
`
`“0
`
`|1
`0
`o
`oo
`-
`-
`0 cosy; simy;, 0
`0 ~SNY3) COSW3> 0
`0
`01
`
`rT
`
`x
`
`fxg
`
`T
`
`x
`
`f1
`0
`0
`OTF
`0 cosyy 0 smyy,
`0
`0
`1
`0
`0 -sinyy, 0 cosy)
`
`[ii][e] form a basebandsignal
`employed by the plurality of RF
`components to wirelessly send the
`transmitter beamforming information
`to the transmitting wireless device.
`
`See 802.11-2016 (p. 2398-99).
`
`The baseband processing module of the Samsung Galaxy S10 is operable to form a basebandsignal
`employed bythe plurality of RF components to wirelessly send the transmitter beamforming
`information to the transmitting wireless device.
`
`19.3.12.3.6 Compressed beamforming feedback matrix
`
`In compressed beamforming feedback matrix, the beamformee shall remove the space-time
`stream CSD in Table 19-10 from the measured channel before computing a set of matrices for
`feedback to the beamformer. The beamforming feedback matrices, V(k), found by the
`beamformee are compressedin the form of angles, which are sent to the beamformer. The
`beamformer might use these angles to decompress the matrices and determinethe steering
`matrices Ox.
`
`The matrix V per tone shall be compressed as follows: The N;x Ne beamforming feedback
`orthonormal column matrix V found by
`the beamformee shall be represented as shown in
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringementof U.S. Patent No. 8,416,862
`
`Equation (19-79). When the numberof rows and columnsis equal, the orthonormal column
`matrix becomes a unitary matrix.
`
`See 802.11-2016 (p. 2398).
`
`
`10. The wireless communication
`device of claim 9,
`
`See claim 9.
`
`See claim 9[i]-[ii][c].
`
`[i] wherein in determining an
`estimated transmitter beamforming
`unitary matrix (V) based upon the
`channel responseand a receiver
`beamforming unitary matrix (U), the
`baseband processing moduleis
`operable to:
`
`(17-20) See 802.11-2016 (p. 2298).
`
`The OFDMsubcarriers shall be modulated by using BPSK, QPSK, 16-QAM, or 64-QAM,
`depending on the RATE requested. The encodedand interleaved binaryserial input data shall
`be divided into groups of NBPSC (1, 2, 4, or 6) bits and converted into complex numbers
`representing BPSK, QPSK, 16-QAM, or 64-QAMconstellation points. The conversion shall
`be performed according to Gray-coded constellation mappings, illustrated in Figure 17-10,
`with the input bit, Bo, being the earliest in the stream. The output values, d, are formed by
`multiplying the resulting (1+jQ) value by a normalization factor KMOD,as describedin
`Equation (17-20).
`
`[ii] produce the estimated transmitter|The baseband processing module of the Samsung Galaxy $10 is operable to produce the estimated
`beamforming unitary matrix (V) in
`transmitter beamforming unitary matrix (V) in Cartesian coordinates.
`Cartesian coordinates; and
`
`17.3.5.8 Subcarrier modulation mapping
`
`d= (I+jQ) x Kmop
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`
`[iii] convert the estimated transmitter
`The baseband processing module of the Samsung Galaxy S10 is operable to convert the estimated
`beamforming unitary matrix (V) to
`transmitter beamforming unitary matrix (V) to polar coordinates.
`polar coordinates.
`
`19.3.12.3.6 Compressed beamforming feedback matrix
`
`In compressed beamforming feedback matrix, the beamformee shall remove the space-time
`stream CSD in Table 19-10 from the measured channel before computing a set of matrices for
`feedback to the beamformer. The beamforming feedback matrices, V(k), found by the
`beamformee are compressed in the form of angles, which are sent to the beamformer. The
`beamformer might use these angles to decompress the matrices and determinethe steering
`matrices Ox.
`
`The matrix V per tone shall be compressed as follows: The N; x Ne beamforming feedback
`orthonormal column matrix V found by the beamformeeshall be represented as shown in
`Equation (19-79). When the numberof rows and columnsis equal, the orthonormal column
`matrix becomesa unitary matrix.
`
`See 802.11-2016 (p. 2398).
`
`11. The wireless communications
`device according to claim 9,
`
`See 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.
`
`The channel response (H), estimated transmitter beamforming unitary matrix (V), and the receiver
`beamforming unitary matrix (U) of the Samsung Galaxy S10 are related by the equation:
`H=UDV*
`where, D is a diagonal matrix.
`
`Oninformation andbelief, the Samsung Galaxy $10 uses singular value decomposition:
`
`13 Transmit Beamforming
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`The 802.11n standard does not dictate a specific approach for determining the transmitter
`weighting matrix. However, the most commonapproachis using singular value decomposition
`to calculate the transmitter weights.
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.11n and 802.1 lac, 2d ed
`(USA: Cambridge University Press, 2013) (p. 366)
`
`13.2 Transmit Beamforming with SVD
`The motivation behind using the matrix V calculated by SVDisthatit results in maximum
`likelihood performance with a linear receiver, greatly simplifying receiver design...
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.11n and 802.1 lac, 2d
`ed (USA: Cambridge University Press, 2013) (p. 369)
`
`12. The wireless communications
`device accordingto claim 9,
`
`See 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.
`
`When the Samsung Galaxy S10 determines the estimated transmitter beamforming unitary matrix
`(V) based upon the channel response and the receiver beamforming unitary matrix (U), the
`basebandprocessing module of the Samsung Galaxy S10 performs Singular Value Decomposition
`(SVD)operations.
`
`On information andbelief, the Samsung Galaxy S10 uses singular value decomposition:
`
`13 Transmit Beamforming
`The 802.11n standard does not dictate a specific approach for determining the transmitter
`weighting matrix. However, the most commonapproachis using singular value decomposition
`to calculate the transmitter weights.
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.11n and 802.1 lac, 2d ed
`(USA: Cambridge University Press, 2013) (p. 366)
`
`
`
`
`
`BNR’S INFRINGEMENT CONTENTIONS
`
`Exhibit C — Infringement of U.S. Patent No. 8,416,862
`
`The motivation behind using the matrix V calculated by SVDis that it results in maximum
`likelihood performancewith a linear receiver, greatly simplifying receiver design...
`
`See Eldad Perahia & Robert Stacey, Next Generation Wireless LANs: 802.11n and 802.1 lac, 2d
`ed (USA: Cambridge University Press, 2013) (p. 369)
`
`
`
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