US008934375B2
`
`(12) United States Patent
`Li et al.
`
`(10) Patent No.:
`
`(45) Date of Patent:
`
`US 8,934,375 B2
`Jan. 13, 2015
`
`(54)
`
`OFDMA WITH ADAPTIVE
`SUBCARRIER-CLUSTER CONFIGURATION
`AND SELECTIVE LOADING
`
`(71)
`
`Applicant: Adaptix, Inc., Plano, TX (US)
`
`(72)
`
`Inventors: Xiaodong Li, Bellevue, WA (US); Hui
`Liu, Clyde Hill, WA (US); Kemin Li,
`Bellevue, WA (US); Wenzhong Zhang,
`Bellevue, WA (US)
`
`7/208; H04B 7/212; H04M 3/00; H04W
`24/00; H04W 4/00; H04W 72/00; G08C
`15/00; H04J1/00; H04] 3/24; H04] 3/06
`USPC ....... .. 370/252, 328—330, 338, 341, 343—345,
`370/431, 436437, 464—465, 468, 480482,
`370/537; 455/67.11, 101—104, 420,
`455/423—425, 434, 450—451, 452.1452.2,
`455/453, 509—510, 512—514, 516—17, 522,
`455/524—525, 61—62, 63.1, 67.13, 68—69,
`455/702—703, 70—71, 550.1, 556.2,
`455/560—561
`
`(73)
`
`Assignee: Adaptix, Inc., Plano, TX (US)
`
`See application file for complete search history.
`
`(*)
`
`Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 0 days.
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`(21)
`
`Appl. No.: 14/294,106
`
`(22)
`
`Filed:
`
`Jun. 2, 2014
`
`(65)
`
`(63)
`
`Prior Publication Data
`
`US 2014/0269396 A1
`
`Sep. 18,2014
`
`Related U.S. Application Data
`
`Continuation of application No. 13/230,625, filed on
`Sep. 12, 2011, which is a continuation of application
`No. 12/748,781, filed on Mar. 29, 2010, now Pat. No.
`8,036,199, which is a continuation of application No.
`
`(Continued)
`
`(2009.01)
`(2006.01)
`(Continued)
`
`Int. Cl.
`
`(51)
`
`H04W 4/00
`H04B 7/208
`
`U.S. Cl.
`
`(52)
`
`CPC ........... .. H04 W 74/04 (2013.01); H04L 1/0009
`(2013.01); H04L 1/0025 (2013.01);
`(Continued)
`Field of Classification Search
`CPC ........ .. H04B 17/00; H04B 1/00; H04B 15/00;
`H04B 7/00; H04B 1/38; H04B 1/10; H04B
`
`(58)
`
`4,355,411 A
`4,488,445 A
`
`10/1982 Reudink et a1.
`12/ 19 84 Aske
`
`(Continued)
`
`FOREIGN PATENT DOCUMENTS
`
`CA
`CA
`
`2119983 A1
`2254643 A1
`
`9/1994
`7/1999
`
`(Continued)
`OTHER PUBLICATIONS
`
`5:13-cv-1774, -1776, -1777, -1778, -1844, -2023, Claim Construc-
`tion Order, U.S. District Court for Northern District of California,
`U.S. Magistrate Judge Paul S. Grewal, Dec. 19, 2013, 4 pgs.
`(Continued)
`
`Primary Examiner — Meless Zewdu
`(74) Attorney, Agent, or Firm — Martin & Ferraro, LLP
`
`(57)
`
`ABSTRACT
`
`A method and apparatus for allocating subcarriers in an
`orthogonal frequency division multiple access (OFDMA)
`system is described. In one embodiment, the method com-
`prises allocating at least one diversity cluster of subcarriers to
`a first subscriber and allocating at least one coherence cluster
`to a second subscriber.
`
`32 Claims, 7 Drawing Sheets
`
`GFEJM Symbol):‘o &:hscr§bars
`
`10?
`
`
`{.,.,......
`uizscribet Semis Omar M018
`Cfnmxxssflzr Each Saga 313%’:
`1
`Bast: slam 865991.: One ext Mom
`'
`Chxslsrs tot Eaw Suhaczim
`
`/106
`
`
`
`
`
`
`Sass Staiien now» 3233 Subcwfber
`asgmmg cum Nfzxcsdcn
`
`5.65
`
`SPRINT 1101
`
`

`
`US 8,934,375 B2
`Page 2
`
`Related U.S. Application Data
`
`11/931,926, filed onOct. 31, 2007, now Pat. No. 7,715,
`358, which is a continuation ofapplication No. 11/199,
`586, filed on Aug. 8, 2005, now Pat. No. 7,454,212,
`which is a continuation of application No. 09/738,086,
`filed on Dec. 15, 2000, now Pat. No. 6,947,748.
`
`(51)
`
`(2009.01)
`(2006.01)
`(2009.01)
`(2009.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2006.01)
`(2009.01)
`(2009.01)
`(2006.01)
`(2009.01)
`
`Int. Cl.
`H04W24/00
`H04B 7/00
`H04W 72/00
`H04W 74/04
`H04L 1/00
`H04L 1/04
`H04L 5/00
`H04L 5/02
`H04L 25/02
`H04L 27/26
`H04W 72/08
`H04W 72/04
`H04J 11/00
`H04W24/08
`(52) U.S. Cl.
`CPC ......... .. H04L 1/0026 (2013.01); H04L 1/0079
`(2013.01); H04L 1/04 (2013.01); H04L 5/0007
`(2013.01); H04L 5/0037 (2013.01); H04L
`5/0046 (2013.01); H04L 5/0048 (2013.01);
`H04L 5/006 (2013.01); H04L 5/0064
`(2013.01); H04L 5/0073 (2013.01); H04L
`5/0082 (2013.01); H04L 5/0094 (2013.01);
`H04L 5/023 (2013.01); H04L 25/0228
`(2013.01); H04L 27/2602 (2013.01); H04W
`72/085 (2013.01); H04W 72/04 (2013.01);
`H04W 72/0453 (2013.01); H04J 11/003
`(2013.01); H04J 11/005 (2013.01); H04W
`24/08 (2013.01); H04L I/0003 (2013.01); H04L
`5/0042 (2013.01); H04L 25/0226 (2013.01);
`H04W 72/0406 (2013.01)
`USPC ......... .. 370/252; 370/328; 370/329; 370/341;
`370/344; 455/425; 455/509; 455/452.1
`
`(56)
`
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`>>>>>>>>>>>>D>>D>D>D>D>D>>D>D>D>D>D>
`
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`
`>>>D>>>>>D>>>>>D>>>>>D>D>>>>>>D>>>>>>D>>>>>>D>>>D>D>D>D>>>D>D>D>D>D>D>D>D>D>D>D>>D>>D>D>D>>D>D>D>D>D>>D>D>D>D>D>D>>D>D>
`
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`US 8,934,375 B2
`Page 3
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`(56)
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`OTHER PUBLICATIONS
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`-2023, Defendants’
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`-1778,
`-1777,
`-1776,
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`ceedings of the Official Electronic Sound Recording, U.S. Dstrict
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`6:12-cv-17,-20,-120, Defendants’ Motion for Summary Judgement
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`6:12-cv-17,-20,120, Defendants’Reply in Support of Their Motion
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`for Summary Judgement of Invalidity Based on Indenfiniteness
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`6: 12-cv-17, -20, -120, Plaintiffs Memorandum in Opposition to
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`Indefiniteness Under 35 U.S.C. §112(b), U.S. District Court for the
`Eastern District of Texas, Oct. 8, 2013, 24 pgs,.
`6: 12-cv-17, -20, -120, Plaintiff s 0pening Claim Construction Brief
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`6:12-cv-17, -20, -120, Plaintiffs Reply Brief Claim Construction
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`6:12-cv-17, -20, -120, Plaintiffs Surreply in Opposition to Defen-
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`6:12-cv-17, -20, -120, Defendants’ Responsive Claim Construction
`Brief with Exhibits, Feb. 3, 2014, 163 pgs.
`6:12-cv-17, -20, -120, Plaintiffs Reply Claim Construction Brief
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`6:12-cv-17, -20, -120, Memorandum Opinion and Order, U.S. Dis-
`trict Court for the Eastern District of Texas, U.S. Magistrate Judge
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`6:12-cv-22, -122, -123, 6:13-cv-49, -50, 6: 12-cv-369, Defendants’
`Responsive Claim Construction Brief with Exhibits, Dec. 20, 2013,
`485 pgs.
`6:12-cv-22, -122, -123, 6:13-cv-49, -50, 6: 12-cv-369, Defendants’
`Sur-Reply Claim Construction Brief, Jan. 15, 2014, 7 pgs.
`6:12-cv-22, -122, -123, 6:13-cv-49, -50, 6:12-cv-369, Plaintiffs
`0pening Construction Brief with Exhibits, Nov. 12, 2013, 154 pgs.
`6: 12-cv-22,
`-122,
`-123, 6: 13-cv-49,
`-50, 6: 12-cv-369, Plaintiffs
`Reply Claim Construction Brief with Exhibits, Jan. 15, 2014, 259
`pgs.
`6:12-cv-22, -122, -123, 6:13-cv-49, -50, 6:12-cv-369, Memorandum
`Opinion and Order, U.S. District Court for the Eastern District of
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`6: 12-cv-22, -122, -123, Joint Claim Construction and Prehearing
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`Components thereof Complain Adaptix, Inc ’ s Motion to mTerminate
`the Investigation Based for Shortened Response Time, Investigation
`No. 337-TA-871, U.S. International Trade Commission, Dec. 3,
`2013, 8 pgs.
`In the Matter of Certain Wireless Communications Base Stations and
`Components thereof, Complainant Adaptix’s Statement of Public
`Interest andVerified Complaint, Investigation No. 337-TA-871, U.S.
`International Trade Commission, Jan. 22, 2013, 34 pgs.
`In the Matter of Certain Wireless Communications Base Stations and
`Components thereof, Order No. 35: Initial Determination Granting
`Motion to Terminate the Investigation in its Entirety, Investigation
`No. 337-TA-871, U.S. International Trade Commission, Dec. 13,
`2013, 5 pgs.
`In the Matter of Certain Wireless Communications Base Stations and
`Components thereof, Respondents’ Motion for Leave to File a Cor-
`rected Notice of Prior Art, US International Trade Commission,
`Investigation No. 337-TA-871, May 30,2013, 192 pgs.
`In the Matter of Certain Wireless Communications Base Stations and
`Components thereof, Respondents’ Notice of Prior Art, US Interna-
`tional Trade Commission, Investigation No. 337-TA-871, May 14,
`2013, 34 pgs.
`In the Matter of Certain Wireless Communications Base Stations and
`Components thereof, Respondents’ Supplemental Responses to
`Complainant’s First Set of Interrogatories (Nos. 27, 38-45, and 53),
`Investigation No. 337-TA-871, May 24, 2013, 2604 pgs.
`Adaptix v. Clea/"wire, Plaintiff s Second Amended Complaint, Civil
`Action No. 6:08-cv-460, Apr. 20, 2009, 13 pgs.
`
`

`
`US 8,934,375 B2
`Page 7
`
`(56)
`
`References Cited
`OTHER PUBLICATIONS
`
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