Case 2:20-cv-00310-JRG Document 1-3 Filed 09/20/20 Page 1 of 29 PageID #: 84
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`Exhibit 3
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`Case 2:20-cv-00310-JRG Document 1-3 Filed 09/20/20 Page 2 of 29 PageID #: 85
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`US008199792B2
`
`(12) United States Patent
`Naka0 et al.
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,199,792 B2
`Jun. 12, 2012
`
`(54)
`
`(75)
`
`RADIO COMMUNICATION APPARATUS AND
`RESPONSE SIGNAL SPREADING METHOD
`
`Inventors: Seigo Nakao, Kanagawa (JP); Daichi
`Imamura, Kanagawa (JP); Akihiko
`Nishio, Kanagawa (JP); Masayuki
`Hoshino, Kanagawa (JP)
`
`(73)
`
`Assignee: Panasonic Corporation, Osaka (JP)
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(21)
`
`Appl. No.: 13/280,190
`
`(22)
`
`Filed:
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`Oct. 24, 2011
`
`(65)
`
`Prior Publication Data
`US 2012/OO39258A1
`Feb. 16, 2012
`
`(63)
`
`Related U.S. Application Data
`Continuation of application No. 13/165.538, filed on
`Jun. 21, 2011, which is a continuation of application
`No. 12/593.904,
`filed
`as
`application No.
`PCT/JP2008/001526 on Jun. 13, 2008, now Pat. No.
`8,009,721.
`
`(30)
`Jun. 15, 2007
`Jun. 19, 2007
`
`Foreign Application Priority Data
`
`(JP) ................................. 2007-15958O
`(JP) ................................. 2007-161966
`
`(51)
`
`(52)
`(58)
`
`Int. C.
`(2006.01)
`H04B I/O
`U.S. Cl. ....................................................... 375/146
`Field of Classification Search ..
`... 375/130,
`375/146, 260,295; 370/208 210
`See application file for complete search history.
`
`(56)
`
`References Cited
`
`U.S. PATENT DOCUMENTS
`6,377,539 B1
`4/2002 Kang et al.
`7,376,117 B2
`5/2008 Erlich et al.
`7,539,463 B2
`5/2009 Himayat et al.
`7,852,959 B2 * 12/2010 Kwak et al. ................... 375,260
`7,929,415 B2
`4/2011 Kwak et al.
`7.957,263 B2 * 6/2011 Gaal ............................. 370,209
`8,036,166 B2 * 10/2011 Tirola et al. ..........
`370,329
`2007/0171995 A1* 7, 2007 Muharemovic et al. ...... 375,260
`2007/0230600 A1 10, 2007 Bertrand et al.
`(Continued)
`
`JP
`
`FOREIGN PATENT DOCUMENTS
`2004297.593. A 10, 2004
`(Continued)
`OTHER PUBLICATIONS
`
`3GPPTM, 3GPP TSG RAN WG1 #46bis, R1-062841, Seoul, Korea,
`Oct. 9-13, 2006, 7 pages.
`
`(Continued)
`Primary Examiner — Khanh C Tran
`(74) Attorney, Agent, or Firm — Seed IP Law Group PLLC
`(57)
`ABSTRACT
`A wireless communication apparatus capable of minimizing
`the degradation in separation characteristic of a code multi
`plexed response signal. In this apparatus, a control part (209)
`controls botha AC sequence to be used in a primary spreading
`in a spreading part (214) and a Walsh sequence to be used in
`a secondary spreading in a spreading part (217) so as to allow
`a very small circular shift interval of the ZC sequence to
`absorb the interference components remaining in the
`response signal; the spreading part (214) uses the ZC
`sequence set by the control part (209) to primary spread the
`response signal; and the spreading part (217) uses the Walsh
`sequence set by the control part (209) to secondary spread the
`response signal to which PC has been added.
`24 Claims, 15 Drawing Sheets
`
`CYCLIC SHIFT VALUE OFZC SEQUENCE (0-11)
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