Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 1 of 36
`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 1 of 36
`
`EXHIBIT 8
`EXHIBIT 8
`
`

`

`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 2 of 36
`I lllll llllllll Ill lllll lllll lllll lllll lllll 111111111111111111111111111111111
`US008873500B2
`
`c12) United States Patent
`Gan et al.
`
`(IO) Patent No.:
`(45) Date of Patent:
`
`US 8,873,500 B2
`Oct. 28, 2014
`
`(54) APPROACH FOR MANAGING THE USE OF
`COMMUNICATIONS CHANNELS BASED ON
`PERFORMANCE
`
`(58) Field of Classification Search
`USPC ........................... 370/328-339; 375/132-133
`See application file for complete search history.
`
`(71) Applicant: Bandspeed, Inc., Austin, TX (US)
`
`(56)
`
`References Cited
`
`(72)
`
`Inventors: Hongbing Gan, Carlton (AU); Bijan
`Treister, Kew (AU); Efstratios
`Skafidas, Coburg (AU)
`
`(73) Assignee: Bandspeed, Inc., Austin, TX (US)
`
`( *) Notice:
`
`Subject to any disclaimer, the term ofthis
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`CA
`DE
`
`U.S. PATENT DOCUMENTS
`
`2,292,387 A
`4,328,581 A
`
`8/1942 Markey et al.
`5/1982 Harmon et al.
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`10/1998
`02252012
`1111984
`3415032 Al
`(Continued)
`OTHER PUBLICATIONS
`
`(21) Appl. No.: 14/034,206
`
`(22)
`
`Filed:
`
`Sep. 23, 2013
`
`(65)
`
`(60)
`
`Prior Publication Data
`
`Jan.23,2014
`US 2014/0023118 Al
`Related U.S. Application Data
`
`Continuation of application No. 13/043,419, filed on
`Mar. 8, 2011, now Pat. No. 8,542,643, which is a
`division of application No. 12/352,595, filed on Jan.
`12, 2009, now Pat. No. 7,903,608, which is a
`continuation of application No. 11/397,443, filed on
`Apr. 3, 2006, now Pat. No. 7,477,624, which is a
`continuation of application No. 09/948,488, filed on
`Sep. 6, 2001, now Pat. No. 7,027,418.
`
`(60)
`
`Provisional application No. 60/264,594, filed on Jan.
`25, 2001.
`
`(51)
`
`(52)
`
`(2009.01)
`(2009.01)
`(2011.01)
`(2009.01)
`
`Int. Cl.
`H04W4/00
`H04W72/08
`H04B 11715
`H04W 84118
`U.S. Cl.
`CPC ............. H04B 11715 (2013.01); H04W 721085
`(2013.01); H04B 200117154 (2013.01); H04W
`84118 (2013.01)
`USPC .......................................................... 370/329
`
`Defendants Joint Invalidity Contentions, Exhibit 12, Bandspeed Inc.
`v. Acer, Inc. et al., 2:10-CV00215, U.S. Patent No. 7,280,580 filed
`Oct. 15, 1999 to Haartsen compared with U.S. Patent No. 7,570,614,
`29 pages.
`
`(Continued)
`Primary Examiner - Frank Duong
`(74) Attorney, Agent, or Firm -Hickman Palermo Truong
`Becker Bingham Wong LLP; Edward A. Becker
`
`ABSTRACT
`(57)
`An approach for selecting sets of communications channels
`involves determining the performance of communications
`channels. A set of channels is selected based on the results of
`performance testing and specified criteria. The participant
`generates data that identifies the selected set of channels and
`provides that data to other participants of the communications
`network. The participants communicate over the set of chan(cid:173)
`nels, such as by using a frequency hopping protocol. When a
`specified time expires or monitoring of the performance of the
`channel set identifies poor performance of the set of channels,
`the participant selects another set of channels for use in com(cid:173)
`munications based on additional performance testing. By
`selecting channels based on the initial performance testing
`and performance monitoring, the communications network
`adaptively avoids channels with poor performance.
`
`31Claims,11 Drawing Sheets
`
`COMMUNICATIONS NETWORK 2QQ
`
`MASTER21U
`
`[:::sJ
`
`PROCESSOR
`214
`
`I TRANSCEIVER
`
`21li
`
`SLAVEZZQ
`
`MEMORY 22.21
`
`PROCESS~ I
`
`TRANSCEIVER
`22fi
`
`SLAVE.23..0.
`
`MEMORY m I
`
`PROCESSOR
`Zl<I
`
`TRANSCEIVER
`21li
`
`

`

`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 3 of 36
`
`US 8,873,500 B2
`Page 2
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`

`

`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 4 of 36
`
`US 8,873,500 B2
`Page 3
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`(56)
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`References Cited
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`Sequence", Project: IEEE P802. l 5 Working Group for Wireless Per(cid:173)
`sonal Area Networks (WPANs) dated Jun. 24, 2011, 14 pages.
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`Networks (WPANs), dated Jun. 24, 2011, 6 pages.
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`Integrated Progranunable Communications, Inc, "Request for Clari(cid:173)
`fication of Discrepancies between Doc. 01/435 and TG2-Adopted
`AFH Mechanism", dated Oct. 2001, 12 pages.
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`pages.
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`pages.
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`Wireless Personal Area Networks (WPANs), Dated Mar. 2001, 40
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`Gan et al., "Fundamentals of Adaptive Frequency Hopping",
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`Networks (WPANs), Dated Mar. 27, 2001, 4 pages.
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`P802.15 Working Group for Wireless Personal Area Networks
`(WPANs), Dated May 14, 2001, 47 pages.
`Gan et al., "Fundamentals of Adaptive Frequency Hopping", Project:
`IEEE P802 .15 Working Group for Wireless Personal Area Networks
`(WPANs), Dated Mar. 27, 2001, 4 pages.
`Batra et al. "Proposal for Intelligent BF Frequency Hopping for
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`Machine", Owner's Manual, Dated Sep. 1999, 64 pages.
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`user Capabilities, Superior Voice Quality and Highest-level of Inte(cid:173)
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`System for U.S. SOHO Market, http://www.thefreelibary.com/
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`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 150 pages, (1 out of7).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 150 pages, (2 out of7).
`
`

`

`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 5 of 36
`
`US 8,873,500 B2
`Page 4
`
`(56)
`
`References Cited
`
`OTHER PUBLICATIONS
`
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 250 pages, (3 out of7).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 250 pages, (4 out of7).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 250 pages, (5 out of7).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 125 pages, (6 out of7).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 125 pages, (7 out of9).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 250 pages, (8 out of9).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 3.0 +HS, dated Apr. 21, 2009, 156 pages, (9 out of9).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package version: 1.2, dated Nov. 5,
`2003, 250 pages (1 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package version: 1.2, dated Nov. 5,
`2003, 250 pages (2 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package version: 1.2, dated Nov. 5,
`2003, 250 pages (3 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package version: 1.2, dated Nov. 5,
`2003, 250 pages ( 4 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package version: 1.2, dated Nov. 5,
`2003, 195 pages (5 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Version 1.1, Dated Feb. 22, 2001, 250 pages ( 1
`out of 4).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Version 1.1, Dated Feb. 22, 2001, 250 pages (2
`out of 4).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Version 1.1, Dated Feb. 22, 2001, 250 pages (3
`out of 4).
`Bluetooth, "Specification of the Bluetooth System", Wireless con(cid:173)
`nections made easy, Version 1.1, Dated Feb. 22, 2001, 329 pages ( 4
`out of 4).
`Bluetooth, "Specification of the Bluetooth System", Wireless Con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package Version. Dated Nov. 4, 2004,
`250 pages ( 1 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless Con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package Version. Dated Nov. 4, 2004,
`250 pages (2 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless Con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package Version. Dated Nov. 4, 2004,
`250 pages (3 out of 5).
`Bluetooth, "Specification of the Bluetooth System", Wireless Con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package Version. Dated Nov. 4, 2004,
`250 pages ( 4 out of 5).
`
`Bluetooth, "Specification of the Bluetooth System", Wireless Con(cid:173)
`nections made easy, Master Table of Contents & Compliance
`Requirements, Covered Core Package Version. Dated Nov. 4, 2004,
`226 pages. (5 out of 5).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPANs), dated Jun. 14, 2002,
`150, (1 out of6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPANs), dated Jun. 14, 2002,
`142, (2 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2002, 146
`pages (3 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2002, 146
`pages ( 4 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2002, 292
`pages ( 5 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2002, 292
`pages ( 6 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2005, 100
`pages ( 1 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 200 5, 50
`pages (2 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`Wireless Personal Area Networks (WPAN s ), dated Jun. 14, 2005, 100
`pages (3 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`
`

`

`Case 1:20-cv-00765-DAE Document 40-8 Filed 10/17/22 Page 6 of 36
`
`US 8,873,500 B2
`Page 5
`
`(56)
`
`References Cited
`
`OTHER PUBLICATIONS
`
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`WirelessPersonalAreaNetworks(WPANs), dated Jun. 14, 2005, 100
`pages ( 4 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`WirelessPersonalAreaNetworks(WPANs), dated Jun. 14, 2005, 100
`pages (5 out of 6).
`The Institute of Electrial and Electronics Enginners, Inc., "IEEE
`Standard for Information technology-Telecommunications and
`information exchanging between systems-Local and metropolitan
`area networks-Specific requirements", Part 15 .1 Wireless Medium
`Access Control (MAC) and Physical Layer (PHY) Specifications for
`WirelessPersonalAreaNetworks(WPANs), dated Jun. 14, 2005, 148
`pages (6 out of 6).
`Gan Treister, "Clause 14.3 Adaptive Frequency Hopping",
`IEEEP802 .15 Wireless Personal Area Networks, dated Aug. 8, 2001,
`25 pages.
`Spaozhnykov V. et al., "Convergence of the Instant Channel Replace(cid:173)
`ment Algorithm (ACL +SCO-HV2 LINK)", IEEEP802.15 Wireless
`Personal Area Networks, dated Oct. 2001, 9 pages.
`Treister N. et al., "Adaptive Frequency Hopping Classification",
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`Arunachalam, Arun "Nov. 2001 TG2 minutes", IEEE P802. l 5 Wire(cid:173)
`less Personal Area Networks, dated Nov. 2001, 7 pages.
`Arunachalam, Arnn, "Jan. 2002 TG2 Minutes", IEEE P802.15 Wire(cid:173)
`less Personal Area Networks, Dated Jan. 2002, 7 pages.
`Treister et al., "List of Change Request to 802.15.2 Draft", IEEE
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`pages.
`Marquess, Kevin, "TG 2---Coexistence Task Group (Portland Min(cid:173)
`utes)", IEEE P802.15 Wireless Personal Area Networks, Dated May
`2001, 5 pages.
`Gan H. et al., "Pseudo-code of new simple Adaptive Frequency
`Hopping (AFH) approach described in Ol/435r0", IEEE P802.15
`Wireless Personal Area Networks, Dated Sep. 2001, 4 pages.
`Inprocomm et al., "Clause 14.3: Adaptive Frequency Hopping",
`IEEE P802.15 Wireless Personal Area Networks, Dated Nov. 2001,
`13 pages.
`Chen et al., "Comparison of TI-IPC's AFH Mechanism and
`Bandspeed's ICR Proposal'', IEEE P802.15 Wireless Personal Area
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`Spozhnykov et al., "Adaptive Frequency Hopping-Instant Channel
`Replacement: Simulation results", IEEE P802.15 Wireless Personal
`Area Networks, dated Oct. 2001, 9 pages.
`Treister et al., "Non-CollaborativeAFH Mechanism", IEEE P802.15
`Wireless Personal Area Networks, Dated Jun. 14, 2001, 4 pages.
`Shellhammer, Steve, "Letter to Coexistence Mechanism Submit(cid:173)
`ters", IEEE P802.15Wireless Personal Area Networks, dated Jan. 30,
`2001, 5 pages.
`Treister et al., "Adaptive Frequency Hopping ad-hoc group update",
`IEEE P802.15 Wireless Personal Area Networks, dated May 21,
`2001, 15 pages.
`The Institute ofElectrial and Electronics Enginners, Inc., "Part 15.2
`Coexistence of Wireless Personal Area Networks with Others Wire(cid:173)
`less Devices Operating in Unlicensed Frequency Bands", Dated Aug.
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`Kim et al., "Multi-Adaptive FH Spread Spectrum System for Wire(cid:173)
`less High Data Rate Multimedia Services", IEEE, Dated 2000, 5
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`Chen et al. "Multicarrier CDMA with Adaptive Frequency Hopping
`for Mobile Radio Systems", IEEE Journal on Selected Areas in
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`Marquess, Kevin, "TG 2---Coexistence Task Group", IEEE P802.15
`Wireless Personal Area Networks, dated Mar. 15, 2001, 5 pages.
`The Institute of Electrial and Electronics Enginners, Inc., "Instruc(cid:173)
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`Wang et al. "Interference Avoidance and Power Control Strategies for
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`Heritage of Invention & Technology, vol. 12, Nov. 4, 9 pages.
`Munday, P.J., "Jaguar-V Frequency-hopping radio system", Elec(cid:173)
`tronic Counter-Countermeasures, IEEE Proc., vol. 129, dated Jun. 3,
`1982, 10 pages.
`Symbol Technologies, "Letter to Coexistence Mechanism Submit(cid:173)
`ters", IEEE P802.15 Wireless Personal Area Networks, dated Jan.
`2001, 5 pages.
`Bandspeed, "Non-Collaborative AFH Mechanism", IEEE P802.15
`Wireless Personal Area Networks, dated Jun. 2001, 4 pages.
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`dated Aug. 28, 1992, 18 pages.
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 100 pages (1 out of 23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 75 pages (2 out of23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 75 pages (3 out of23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 100 pages (4 out of 23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 100 pages (5 out of 23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered Core Package ver(cid:173)
`sion: 4.0, Dated Jun. 30, 2010, 100 pages (6 out of 23).
`Bluetooth, "Specification of the Bluetooth System", Master Table of
`Contents & Compliance Requirements, Covered