throbber
Inter Partes Review
`U.S. Patent No. 7,848,439
`
`Petitioners’ Demonstratives
`Oral Argument, January 8, 2020
`HTC Corporation, HTC America, Inc., and Apple Inc. v. INVT SPE LLC
`Case Nos. IPR2018-01555 and IPR2018-01581
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-1
`
`

`

`Two Grounds of Challenge
`
`• IPR2018-01555 – Claims 1-7 are obvious over the combination of Li
`(Ex. 1003), Vijayan (Ex. 1004), and Hashem (Ex. 1005).
`• IPR2018-01581 – Claim 8 is obvious over the combination of Li,
`Vijayan, Hashem, and Cioffi (Ex. 1006).
`
`55Pet. at 3; 81Pet. at 3.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-2
`
`

`

`Cellular Communications
`
`Network
`
`Handset
`
`Cell Tower
`and Base Station
`
`Cell Tower
`and Base Station
`
`Handset
`
`55Pet. at 4; Ex. 1007, ¶¶ 32-33.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-3
`
`

`

`OFDM
`
`55Pet. at 4; Ex. 1001, 1:18-33 & FIG. 1; Ex.
`1007, ¶¶ 36-37.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-4
`
`’439 Patent, FIG. 1 (Ex. 1001)
`
`

`

`Adaptive Modulation and Coding (AMC)
`Good Channel Conditions
`Poor Channel Conditions
`
`55Pet. at 5; Ex. 1007, ¶¶ 38-40.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-5
`
`

`

`Prior-Art Adaptive Modulation and Coding
`
`AMC on Subcarriers
`
`AMC on Subbands
`
`AMC on
`Subcarrier
`1
`
`…………………….
`
`AMC on
`Subcarrier
`n
`
`AMC on
`Subband
`1
`
`…………………
`….
`
`AMC on
`Subband
`n
`
`1
`
`32
`
`4
`
`4…
`
`n-3
`
`n-2
`
`n-1
`
`n
`
`1
`
`2
`
`…
`
`4
`
`n-1 n
`

`

`
`55Pet. at 6; Ex. 1001, 2:2-31, 4:56-60; Ex. 1007, ¶¶ 41, 42.
`IPR2018-01555, -01581
`
`Petitioners’ DX-6
`
`

`

`Purported Improvement of the ’439 Patent
`
`AMC on
`Subband Group 1
`Subband
`
`Subcarrier
`
`…………………….
`
`AMC on
`Subband Group n
`
`1
`1
`
`4…
`
`3
`n
`


`
`55Pet. at 6-8; Ex. 1001, 5:35-44, 7:39-43, 10:21-49; Ex.
`1007, ¶¶ 48-54.
`IPR2018-01555, -01581
`
`Petitioners’ DX-7
`
`

`

`Claim 1 of the ’439 Patent
`
`• The “parameter deciding section” and the
`“pattern storage section” are the only
`limitations INVT disputes in its papers.
`
`Ex. 1001, claim 1; Patent Owner Response § VII;
`Sur-Reply § II.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-8
`
`

`

`The Li Patent
`
`Ex. 1002, Cover, Abstract.
`
`IPR2018-01555, -01581
`
`Li, Abstract (Ex. 1003)
`
`Petitioners’ DX-9
`
`

`

`Li’s Clusters Are ’439 Patent Subbands
`
`Li
`
`’439 Patent
`
`Li, FIG. 1A (Ex. 1003)
`
`55Pet. at 13; Ex. 1001, FIG. 9; Ex. 1003,
`Abstract, 5:18-28, FIG. 1A; Ex. 1007, ¶ 68.
`
`IPR2018-01555, -01581
`
`’439 Patent, FIG. 9 (Ex. 1001)
`Petitioners’ DX-10
`
`

`

`Li’s Cluster Groups Are ’439 Subband Groups
`
`Li, 11:46-52 (Ex. 1003)
`
`55Pet. at 13-15; Ex. 1003, Abstract, 5:18-28,
`11:49-52, FIG. 6; Ex. 1007, ¶¶ 69, 71.
`
`IPR2018-01555, -01581
`
`Li, FIG. 6 (Ex. 1003)
`
`Petitioners’ DX-11
`
`

`

`Li Teaches a “Parameter Deciding Section” that
`Decides Modulation and Coding Parameters
`• Li’s block 405 is a per-cluster
`parameter deciding section.
`• Patent Owner’s expert admits
`that Li’s subscriber can decide
`modulation and coding rates.
`
`Vojcic Tr., 18:2-7 (Ex. 1017)
`
`Li, FIG. 4 (Ex. 1003)
`
`Li, 9:43-46 (Ex. 1003)
`
`55Pet. at 30-33; Ex. 1003, 9:43-46, FIGS. 3, 4; Ex. 1007, ¶¶ 113-120;
`Ex. 1016, ¶¶ 108-113; Ex. 1017, 16:18-18:7.
`IPR2018-01555, -01581
`
`Petitioners’ DX-12
`
`

`

`Li Teaches a “Pattern Storage Section that
`Stores in Advance …”
`
`Li, FIG. 7 (Ex. 1003)
`
`Li, 12:14-16 (Ex. 1003)
`
`Petitioners’ DX-13
`
`Grouping
`
`Li’s
`
`Li, FIG. 6 (Ex. 1003)
`
`• Only the group index needs to
`be transmitted.
`• Thus, the patterns must be
`stored in advance at the base
`station and the subscriber.
`Ex. 1003, 12:9-23 & FIG. 7; Ex. 1016, ¶¶ 127-128, 133-134; Ex.
`1017, 72:21-73:6, 74:12-75:23; Reply at 11-14.
`IPR2018-01555, -01581
`
`

`

`Vojcic Admits that Li Teaches Pattern Storage
`
`Vojcic Tr. at 74:12-17 (Ex. 1017)
`
`Reply at 11-14; Ex. 1017, 72:21-73:6, 74:12-17.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-14
`
`Vojcic Tr., 72:21-73:6 (Ex. 1017)
`
`

`

`Li Teaches Patterns for Selecting Subbands
`
`• In Figure 6, Li teaches
`selecting every fourth cluster
`on the frequency axis.
`• Li does not suggest that SINR
`measurements determine
`how the cluster groups are
`formed.
`
`Li, FIG. 6 (Ex. 1003)
`
`Reply at 14-19; Ex. 1016, ¶¶ 120-126, 129-31; Ex.
`1017, 85:3-86:9.
`IPR2018-01555, -01581
`
`Petitioners’ DX-15
`
`

`

`The Vijayan Patent
`
`55Pet. at 16; Ex. 1004, 1:23-27.
`
`Vijayan, 1:23-27 (Ex. 1004)
`
`IPR2018-01555, -01581
`
`Vijayan, FIG. 1 (Ex. 1004)
`
`Petitioners’ DX-16
`
`

`

`Vijayan Teaches ’439 Patent Subbands
`and ‘439 Patent Subband Groups
`
`3344
`
`1122
`
`Vijayan, 1:30-32 (Ex. 1004)
`
`Vijayan, 8:13-16 (Ex. 1004)
`
`Vijayan, 9:64-66 (Ex. 1004)
`
`55Pet. at 16-17; Ex. 1004, 1:23-27, 1:29-32, 8:13-
`16, 9:64-66, 10:7-13, FIG. 9B; Ex. 1007, ¶ 75.
`IPR2018-01555, -01581
`
`Vijayan, FIG. 9B (excerpted/annotated) (Ex. 1004)
`Petitioners’ DX-17
`
`

`

`Vijayan Teaches Joint Modulation and Coding
`
`3344
`
`1122
`
`Vijayan, 4:43-45 (Ex. 1004)
`
`55Pet. at 17-19; Ex. 1004, 4:43-45, 13:12-16,
`13:24-35, 14:40-47, FIG. 9B; Ex. 1007, ¶¶ 75-77.
`IPR2018-01555, -01581
`
`Vijayan, 13:24-35 (Ex. 1004)
`
`Vijayan, FIG. 9B (excerpted/annotated) (Ex. 1004)
`Petitioners’ DX-18
`
`

`

`The Hashem Patent
`
`Hashem, 4:11-15 (Ex. 1005)
`
`Hashem, 6:50-53 (Ex. 1005)
`
`Hashem, Abstract (Ex. 1005)
`55Pet. at 19-21, 44; Ex. 1005, Abstract, 4:11-15, 6:50-
`53, 7:1-7; Ex. 1007, ¶¶ 79-80.
`IPR2018-01555, -01581
`
`Hashem, 7:1-7 (Ex. 1005)
`Petitioners’ DX-19
`
`

`

`The Combination of Li, Vijayan, and Hashem
`
`Li, FIG. 6 (Ex. 1003)
`
`Li, FIG. 7 (Ex. 1003)
`
`MCP
`
`MCP
`
`Grouping
`
`Li’s
`
`Combination’s
`
`Grouping
`
`55Pet. at 29-41.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-20
`
`

`

`The Combination Discloses the Claimed
`“Parameter Deciding Section”
`• Li’s block 405 is a per-cluster
`parameter deciding section.
`• In the combination, block 405
`would decide modulation and
`coding parameters for an
`entire cluster group.
`• As taught by Li, Vijayan, and
`Hashem, this would reduce
`signaling overhead.
`
`Li, FIG. 4 (Ex. 1003)
`
`55Pet. at 31-32, 37, 41; see also id. at 29-41; Ex.
`1007, ¶¶ 116-17, 126, 134.
`IPR2018-01555, -01581
`
`Petitioners’ DX-21
`
`

`

`Improper to Attack the References Individually
`
`INVT argues:
`• Li and Hashem do not teach
`modulation and coding per
`subband group.
`• Vijayan does not teach
`modulation and coding based
`on channel estimation.
`
`Patent Owner Response at 33-40; Reply at 9-10.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-22
`
`Reply at 9
`
`

`

`The Combination Teaches the Claimed
`“Pattern Storage Section”
`• Only the group index needs
`to be transmitted.
`• Thus, the patterns must be
`stored in advance at the base
`station and the subscriber.
`• Otherwise, the group index
`would be meaningless.
`
`MCP
`
`MCP
`
`Li, FIG. 6 (Ex. 1003)
`
`Reply at 11-14; Ex. 1016, ¶¶ 127-28, 133-134.
`
`IPR2018-01555, -01581
`
`Li, 12:14-16 (Ex. 1003)
`
`Petitioners’ DX-23
`
`

`

`Motivation to Combine Li and Vijayan
`
`• Li and Vijayan both seek to
`reduce signaling overhead.
`
`0
`
`Li, 12:9-23 (Ex. 1003)
`
`Vijayan, 11:22-26 (Ex. 1004)
`
`55Pet. at 21-23; Ex. 1003, 12:9-23; Ex. 1004, 11:22-26;
`Ex. 1007, ¶¶ 84-90.
`IPR2018-01555, -01581
`
`Petitioners’ DX-24
`
`

`

`Li’s Expressed Goal to Reduce Overhead
`
`• The only expressed goals in
`Li for “group-based cluster
`allocation” are to reduce
`signaling overhead and
`inter-cell interference.
`• For the group-based cluster
`allocation, Li teaches
`“spaced apart” clusters “[i]n
`one embodiment.” Li,
`11:53-57.
`
`Li, 11:62-66 (Ex. 1003)
`
`Reply at 22-23; Ex. 1003, 11:53-67; Ex. 1016,
`¶¶ 167-70; Ex. 1017, 32:20-33:10.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-25
`
`

`

`Li Does Not Teach Away
`
`• Li does not teach away from
`using joint modulation and
`coding parameters or
`contiguous cluster groups.
`• Diverse groups are “one
`embodiment” of Li’s group-
`based cluster allocation.
`• No criticizing or discrediting
`of contiguous groups.
`
`Reply at 23
`
`55Pet. at 21-23; Ex. 1017, ¶¶ 84-90; Reply at 23-27; Ex. 1016,
`¶¶ 171-85.
`IPR2018-01555, -01581
`
`Petitioners’ DX-26
`
`

`

`Li Does Not Discourage Using Joint Parameters
`
`• Li teaches using different
`modulation and coding rates “[i]n
`one embodiment.” Li, 7:10-12 (Ex.
`1003).
`• Not in the group-based cluster
`allocation section. Li, 11:46-12:65.
`• While “different clusters can have
`different modulation/coding rates,”
`Li, 8:3-5, different modulation and
`coding rates are not required in Li.
`
`Li, 7:10-12 (Ex. 1003)
`
`Reply at 22-23; Ex. 1003, 7:10-12, 8:3-
`5; Ex. 1016, ¶¶ 166-170.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX 27
`
`

`

`Joint Parameters Would Reduce Overhead
`
`• Using Vijayan’s joint
`parameters for an entire cluster
`group would reduce the uplink
`and downlink signaling in Li.
`
`0
`
`0
`
`Vojcic Tr. 56:9-16 (Ex. 1017)
`
`Ding Reply Decl. ¶ 165 (Ex. 1016)
`55Pet. at 21-23; Ex. 1003, 12:9-23; Ex. 1004, 11:22-26; Ex. 1007, ¶¶ 84-90; Ex. 1017, 56:9-16;
`Petitioners’ DX-28
`Reply at 22-23; Ex. 1016, ¶¶ 165, 168-170.
`IPR2018-01555, -01581
`
`

`

`Using Joint Parameters Involves a Tradeoff
`
`• Using joint modulation and coding
`means that some clusters are not
`assigned ideal parameters.
`• This is a design tradeoff that a
`POSITA would have understood.
`• “‘[S]imultaneous advantages and
`disadvantages . . . do[] not
`necessarily obviate a motivation to
`combine.’”
`
`Allied Erecting & Dismantling Co. v.
`Genesis Attachments, LLC, 825 F.3d
`1373, 1381 (Fed. Cir. 2016).
`Reply at 24-29; Ex. 1016, ¶¶ 173, 183-186 (explaining why
`tradeoff is appropriate).
`IPR2018-01555, -01581
`
`0
`
`Ding Reply Decl. ¶ 173 (Ex. 1016)
`
`Petitioners’ DX-29
`
`

`

`Joint Parameters Can Be Set Using an Average
`
`'439 Patent, 9:37-42 (Ex. 1001)
`
`Li, 5:64-66 (Ex. 1003)
`
`Hashem, 2:52-54 (Ex. 1005)
`
`Hashem, 3:15-17 (Ex. 1005)
`Petitioners’ DX-30
`
`0
`
`0 0
`
`0
`
`• INVT fails to appreciate the
`reasonable and known scenario
`of using an average SINR to
`select modulation and coding.
`• No need for a “best match.” Li,
`Hashem, and ’439 Patent explain
`that using an average was both
`known and appropriate.
`• Explained in the Zhi Ding Reply
`Declaration at ¶¶ 177-186.
`Reply at 24-29; Ex. 1001, 9:37-42; Ex. 1003, 5:64-66;
`Ex. 1005, 2:52-3:17; Ex. 1016, ¶¶ 177-186.
`IPR2018-01555, -01581
`
`

`

`Motivation to Combine Li, Vijayan, and
`Hashem
`• Deciding the modulation and
`coding parameters (Link
`Mode) at Li’s subscriber, as
`taught by Hashem, would
`further reduce signaling
`overhead on both the uplink
`and the downlink.
`
`Hashem, 6:50-53 (Ex. 1005)
`
`Hashem, 7:1-7 (Ex. 1005)
`
`55Pet. at 39-41; Ex. 1005, 6:50-53, 7:1-7; Ex. 1007, ¶¶ 130, 132-34; Reply at
`31-32; Ex. 1016, ¶¶ 197-198.
`IPR2018-01555, -01581
`
`Petitioners’ DX-31
`
`

`

`INVT Improperly Relies on Bodily Incorporation
`
`• “The test for obviousness is not whether the features of a
`secondary reference may be bodily incorporated into the
`structure of the primary reference, but rather whether a
`skilled artisan would have been motivated to combine the
`teachings of the prior art references to achieve the claimed
`invention.” Allied Erecting & Dismantling Co. v. Genesis
`Attachments, LLC, 825 F.3d 1373, 1381 (Fed. Cir. 2016).
`• Not necessary to bodily incorporate:
`• Hashem’s creation of subbands comprising acceptable subcarriers.
`• Hashem’s transmission of a bit mask identifying those subcarriers.
`
`Reply at 32-33; Ex. 1016, ¶ 201.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-32
`
`

`

`The Combination Renders Claim 2 Obvious
`
`’439 Patent, claim 2 (Ex. 1001)
`
`Vijayan, FIG. 9B (Ex. 1004)
`
`55Pet. 66-67; Ex. 1007, ¶¶ 196-97.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-33
`
`

`

`The Combination Renders Claim 3 Obvious
`
`’439 Patent, claim 3 (Ex. 1001)
`
`Li, FIG. 6 (Ex. 1003)
`
`55Pet. 67-68; Ex. 1007, ¶¶ 199-204.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-34
`
`

`

`The Combination Renders Claim 4 Obvious
`
`’439 Patent, claim 4 (Ex. 1001)
`
`0
`
`Vijayan, 7:7-13 (Ex. 1004)
`
`55Pet. 69-71; Ex. 1004, 7:7-13, FIG. 5A; Ex.
`1007, ¶¶ 207-10.
`
`IPR2018-01555, -01581
`
`Vijayan, FIG. 5A (Ex. 1004)
`Petitioners’ DX-35
`
`

`

`The Combination Renders Claim 5 Obvious
`
`’439 Patent, claim 5 (Ex. 1001)
`
`Li, 7:16-26 (Ex. 1003)
`
`55Pet. 71-75; Ex. 1003, 7:16-26; Ex. 1004, 13:23-35; Ex.
`1007, ¶¶ 211-22.
`IPR2018-01555, -01581
`
`Vijayan, 13:23-35 (Ex. 1004)
`Petitioners’ DX-36
`
`

`

`The Combination Renders Claim 6 Obvious
`
`’439 Patent, claim 6 (Ex. 1001)
`
`Vijayan, 9:39-42 (Ex. 1004)
`
`Li, 7:16-26 (Ex. 1003)
`
`Vijayan, 9:35-37 (Ex. 1004)
`55Pet. 76-79; Ex. 1003, 7:16-26; Ex. 1004,
`9:35-42, 13:23-35; Ex. 1007, ¶¶ 223-29.
`
`IPR2018-01555, -01581
`
`Vijayan, 13:23-35 (Ex. 1004)
`Petitioners’ DX-37
`
`

`

`The Combination Renders Claim 7 Obvious
`• Li, Vijayan, and Hashem each
`disclose base stations that
`perform adaptive modulation and
`coding.
`• Each reference also discloses a
`modulation and coding section.
`• Li’s base station modulates and
`encodes per parameters received
`from the subscriber.
`• Each reference discloses
`transmitting the modulated and
`encoded data.
`55Pet. 79-83; Ex. 1003, 3:43-47, 6:7-10, 7:9-11, 11:36-43, FIG.
`13; Ex. 1004, 17:63-18:2, 18:14-17, 19:3-6, FIGS. 11, 13; Ex. 1005,
`1:21-23, 4:8-15; FIG. 1; Ex. 1007, ¶¶ 211-22.
`
`’439 Patent, claim 7 (Ex. 1001)
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-38
`
`

`

`The Combination Renders Claim 8 Obvious
`
`• Claim 8 is the same as claim 1, except for
`the weighting limitation.
`
`Ex. 1001, claim 1.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-39
`
`

`

`The Cioffi Patent
`
`Ex. 1006, Cover, Abstract.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-40
`
`Cioffi, Abstract (Ex. 1006)
`
`

`

`The Cioffi Patent
`
`• Cioffi teaches a weighting
`factor to reduce the
`number of information
`bits transmitted in certain
`lower-quality
`subchannels.
`
`Cioffi, 10:53-60 (Ex. 1006)
`
`81Pet. at 26; Ex. 1006, 10:53-60; Ex.
`1007, ¶ 84.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-41
`
`

`

`Motivation to Combine Li, Vijayan, Hashem,
`and Cioffi
`• All related to multicarrier systems having dynamic
`modulation and coding based on channel quality.
`• Cioffi states the motivation to use Cioffi’s weighting per
`subchannel for all of the clusters in a cluster group of Li –
`“to take into account factors other than the SNR
`monitored at the receiver.”
`
`81Pet. at 30; Ex. 1007, ¶ 97; Ex. 1006, 10:53-
`60; Reply at 39-40; Ex. 1016, ¶ 211.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-42
`
`

`

`Cioffi Is Analogous Art
`
`• A POSITA would have had experience with both wired and
`wireless multicarrier communications, including ADSL.
`• OFDM was used in both wireless and ADSL networks
`before the ’439 Patent – common principles for both
`technologies that a POSITA would have been familiar with.
`• Cioffi and the ’439 Patent both weight the number of bits
`to address the same problems – minimizing the impact of
`interference and noise in a multicarrier network.
`• Both use weighting for the same purpose – to build in a
`buffer for sources of interference and noise.
`
`Reply at 37-38; Ex. 1016, ¶¶ 205-07.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-43
`
`

`

`The Combination Teaches the Claimed
`Weighting Per Subband Group
`• Li teaches that adaptive modulation and coding that may rely on factors
`other than SNR (different subcarrier channel gains caused by multipath).
`• Vijayan teaches deciding the coding parameters such that the number
`of information bits that are able to be assigned to all of the subbands is
`not exceeded.
`• A POSITA would have applied Cioffi’s weighting technique to the cluster
`groups of Li’s system (as modified by Vijayan and Hashem) by assigning
`the same weight to all the clusters in a group, to account for
`interference from neighboring cells.
`81Pet. at 64-68; Ex. 1007, ¶¶ 252, 254, 256, 259; Ex. 1003, 1:47-48,
`5:62-6:4; Ex. 1004, 9:35-42; Ex. 1006, 10:53-60.
`
`IPR2018-01555, -01581
`
`Petitioners’ DX-44
`
`

`

`Thank You
`
`ThankYou
`
`IPR2018-01555, -01581
`|PR2018—01555, -01581
`
`Petitioners’ DX-45
`
`Petitioners’ DX_45
`
`

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