Source: http://www.google.com/patents/US7672285?dq=5920316
Timestamp: 2017-03-24 12:48:28
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Matched Legal Cases: ['Application No. 2', 'Application No. 200580018562', 'Application No. 200580017076', 'Application No. 200580026710', 'Application No. 05735282', 'application No. 05735282', 'Application No. 2007', 'Application No. 2007', 'Application No. 2007', 'Application No. 2007', 'Application No. 10', 'application No. 10', 'Application No. 05753920']

Patent US7672285 - Method and apparatus for minimizing co-channel interference by scrambling - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsAn approach is provided for minimizing co-channel interference in a communication system is disclosed. Non-header portions of frames, which are transmitted over the communication system, are scrambled according to respective different scrambling sequences. The above arrangement is particularly suited...http://www.google.com/patents/US7672285?utm_source=gb-gplus-sharePatent US7672285 - Method and apparatus for minimizing co-channel interference by scramblingAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7672285 B2Publication typeGrantApplication numberUS 11/009,333Publication dateMar 2, 2010Filing dateDec 10, 2004Priority dateJun 28, 2004Fee statusPaidAlso published asCA2572431A1, CA2572431C, CN1993914A, CN1993914B, CN101834653A, CN101834653B, EP1766818A2, EP1766818A4, EP1766818B1, US8325699, US9060369, US20050286405, US20100128816, WO2006007204A2, WO2006007204A3Publication number009333, 11009333, US 7672285 B2, US 7672285B2, US-B2-7672285, US7672285 B2, US7672285B2InventorsFeng-Wen Sun, Lakshmi IyerOriginal AssigneeDtvg Licensing, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (68), Non-Patent Citations (32), Referenced by (12), Classifications (16), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetMethod and apparatus for minimizing co-channel interference by scrambling
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5235619Mar 20, 1990Aug 10, 1993Scientific-Atlanta, Inc.Cable television radio frequency subscriber data transmission apparatus and rf return methodUS5321754Sep 19, 1991Jun 14, 1994Northern Telecom LimitedSequence synchronizationUS5327455Aug 28, 1992Jul 5, 1994Agence Spatiale EuropeeneMethod and device for multiplexing data signalsUS5377183Apr 11, 1994Dec 27, 1994Ericsson-Ge Mobile Communications Inc.Calling channel in CDMA communications systemUS5506903Apr 5, 1994Apr 9, 1996Sony CorporationDigital multiplex transmission systemUS5710797May 23, 1995Jan 20, 1998Libit Signal Processing Inc.Method and apparatus for digital communication in the presence of closely spaced adjacent channelsUS5838740Apr 17, 1996Nov 17, 1998Motorola, Inc.Crosspole interference canceling receiver for signals with unrelated baud ratesUS6144711Aug 27, 1997Nov 7, 2000Cisco Systems, Inc.Spatio-temporal processing for communicationUS6154454Dec 4, 1998Nov 28, 2000Oki Electric Industry Co., LtdRadio communication device and mobile communication systemUS6201499Feb 3, 1998Mar 13, 2001Consair CommunicationsTime difference of arrival measurement systemUS6201798Jul 9, 1998Mar 13, 2001Worldspace Management CorporationSignaling protocol for satellite direct radio broadcast systemUS6304618Aug 31, 1998Oct 16, 2001Ericsson Inc.Methods and systems for reducing co-channel interference using multiple timings for a received signalUS6324159 *May 6, 1999Nov 27, 2001Sirius Communications N.V.Method and apparatus for code division multiple access communication with increased capacity through self-noise reductionUS6400761Jun 12, 2000Jun 4, 2002Princeton UniversityMethod and apparatus for adaptively compensating channel or system variations in precoded communications systemUS6452991Dec 30, 1998Sep 17, 2002Ericsson Inc.Systems and methods for acquiring channel synchronization in time division multiple access communications systems using dual detection thresholdsUS6549782Mar 31, 1999Apr 15, 2003Siemens Information And Communication Networks, Inc.Radio communications systemsUS6574235Aug 12, 1999Jun 3, 2003Ericsson Inc.Methods of receiving co-channel signals by channel separation and successive cancellation and related receiversUS6618367Dec 16, 1999Sep 9, 2003Agere Systems Inc.Transmission frame structure for a satellite digital audio radio systemUS6707916Mar 16, 1999Mar 16, 2004Northrop Grumman CorporationMitigation of false co-channel uplink reception in a processing satellite communication system using scrambling sequencesUS6853633Sep 26, 2000Feb 8, 2005Ericsson Inc.Methods of providing signal parameter information using delta-modulation and related systems and terminalsUS6917861Mar 12, 2003Jul 12, 2005The Boeing CompanyMethod and apparatus for stepping space craft mechanisms at low disturbance ratesUS7002900 *Sep 29, 2003Feb 21, 2006Qualcomm IncorporatedTransmit diversity processing for a multi-antenna communication systemUS7016319Mar 24, 2003Mar 21, 2006Motorola, Inc.Method and apparatus for reducing co-channel interference in a communication systemUS7031350Jul 17, 2001Apr 18, 2006Koninklijke Philips Electronics N.V.Coding of data streamUS7039024 *Dec 12, 2000May 2, 2006Nokia Mobile Phones, Ltd.Method and arrangement for multiplexing several users to the communication channels of a TDMA systemUS7154846 *Oct 24, 2001Dec 26, 2006Nortel Networks LimitedShared channel structure, ARQ systems and methodsUS7161988 *Dec 10, 2004Jan 9, 2007The Directv Group, Inc.Method and apparatus for minimizing co-channel interferenceUS7177598Sep 5, 2001Feb 13, 2007Wi-Lan, Inc.Method and system for reducing channel interference in a frame-synchronized wireless communication systemUS7248841Jun 10, 2001Jul 24, 2007Agee Brian GMethod and apparatus for optimization of wireless multipoint electromagnetic communication networksUS7292606Sep 30, 2003Nov 6, 2007Texas Instruments IncorporatedTwo-stage symbol alignment method for ADSL transmission in the presence of TCM-ISDN interferersUS7430257Apr 24, 2002Sep 30, 2008Lot 41 Acquisition Foundation, LlcMulticarrier sub-layer for direct sequence channel and multiple-access codingUS20010055319Feb 9, 2001Dec 27, 2001Broadcom CorporationRobust techniques for optimal upstream communication between cable modem subscribers and a headendUS20020041635Mar 28, 2001Apr 11, 2002Jianglei MaPreamble design for multiple input - multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) systemUS20020042899Jun 18, 2001Apr 11, 2002Tzannes Marcos C.Systems and methods for LDPC coded modulationUS20020044614Apr 11, 2001Apr 18, 2002Molnar Karl JamesMethods and systems for reducing interference using co-channel interference mappingUS20020058513Sep 5, 2001May 16, 2002Klein Israel JayMethod and system for reducing channel interference in a frame-synchronized wireless communication systemUS20020154620Feb 23, 2001Oct 24, 2002Yehuda AzenkotHead end receiver for digital data delivery systems using mixed mode SCDMA and TDMA multiplexingUS20020172264Apr 5, 2001Nov 21, 2002Niclas WibergPartly orthogonal multiple code treesUS20030185174May 8, 2002Oct 2, 2003Currivan Bruce J.Cancellation of interference in a communication system with application to S-CDMAUS20040131025Jun 28, 2002Jul 8, 2004Mischa DohlerElectronic data communication systemsUS20040136455Oct 29, 2003Jul 15, 2004Akhter Mohammad ShahanshahEfficient bit stream synchronizationUS20040153942Jan 23, 2004Aug 5, 2004Nathan ShtutmanSoft input soft output decoder for turbo codesUS20040161031Dec 15, 2003Aug 19, 2004Kwentus Alan Y.Communications signal transcoderUS20040244059May 30, 2003Dec 2, 2004Lsi Logic CorporationDigital set-top box transmodulatorUS20040255229Sep 23, 2003Dec 16, 2004Ba-Zhong ShenIterative metric updating when decoding LDPC (Low Density Parity Check) coded signals and LDPC coded modulation signalsUS20050226414Apr 11, 2005Oct 13, 2005Lee Lin-NanMethods and apparatuses for minimizing co-channel interferenceUS20050226418Apr 11, 2005Oct 13, 2005Lee Lin-NanPhysical layer header scrambling in satellite broadcast systemsUS20050229230Apr 11, 2005Oct 13, 2005Joseph SantoruShifted channel characteristics for mitigating co-channel interferenceUS20060227894Jun 9, 2006Oct 12, 2006Lee Lin-NanMethod and apparatus for minimizing co-channel interferenceUS20070025299Jul 29, 2005Feb 1, 2007Scharf Louis LInterference cancellation within wireless transceiversCN1728622AJul 27, 2004Feb 1, 2006大唐移动通信设备有限公司Method for planning code word in sector of TD-SCDMA systemEP1037401A2Mar 14, 2000Sep 20, 2000TRW Inc.Mitigation of false co-channel uplink reception in a processing satellite communication system using scrambling sequencesEP1037481A1Mar 15, 1999Sep 20, 2000Sony International (Europe) GmbHSimultaneous transmission of random access burstsEP1063791A2Jun 5, 2000Dec 27, 2000Hitachi, Ltd.Code division multiple access communication method using dynamic code assignment, and a base station performing the methodJP3144780B2 Title not availableJP2001237752A Title not availableJP2002335191A Title not availableJP2003339030A Title not availableWO03/099577A2 Title not availableWO2097/01256A1 Title not availableWO1997001256A1Jun 20, 1996Jan 9, 1997Telefonaktiebolaget Lm Ericsson (Publ)Adaptive channel allocation in a frequency division multiplexed systemWO1998049857A1Apr 24, 1998Nov 5, 1998Telefonaktiebolaget Lm EricssonRandom access in a mobile telecommunications systemWO2000027049A1Oct 5, 1999May 11, 2000Koninklijke Philips Electronics N.V.Cdma radio communication systemWO2001005050A1Jul 7, 2000Jan 18, 2001Samsung Electronics Co., Ltd.Channel assignment apparatus and method for common packet channel in a wcdma mobile communication systemWO2003079577A2Mar 13, 2003Sep 25, 2003Qualcomm, IncorporatedMethod and apparatus for reducing inter-channel interference in a wireless communication systemWO2003092212A1Apr 24, 2003Nov 6, 2003Raytheon CompanyAn adaptive air interface waveformWO2003094520A1Apr 11, 2003Nov 13, 2003Koninklijke Philips Electronics N.V.Backward compatible dvb-s standard transmission systemWO2007022627A1Aug 23, 2006Mar 1, 2007Research In Motion LimitedJoint demodulation filter for co-channel interference reduction and related methods* Cited by examinerNon-Patent CitationsReference1Al-Meshhadany, Thamer and Al Agha, Khaldoun; "Analysis of the Code Allocation Mechanism in the WCDMA"; Mobile and Wireless Communications Network; 2002; 4th International Workshop; Sep. 9-11, 2002; Piscataway, New Jersey USA; pp. 196-199; XP010611845; ISBN: 0-7803-7605-6; pp. 196-197.2Canadian Office Action dated Sep. 2, 2009 in Canadian Patent Application No. 2,562,549 filed Apr. 11, 2005 by Lin-Nan Lee et al; 4 pages.3Chinese Office Action dated Aug. 15, 2008 in Chinese counterpart Application No. 200580018562.8 corresponding to U.S. Appl. No. 11/102,958, filed Apr. 11, 2005 by Lin-Nan Lee et al.4Chinese Office Action dated Nov. 14, 2008 in Chinese Patent Application No. 200580017076.4 filed Apr. 11, 2005 by Lin-Nan Lee et al.5Chinese Office Action dated Sep. 4, 2009 in Chinese Patent Application No. 200580026710.0 filed May 26, 2005 by Feng-Wen Sun et al.; 6 pages.6EPO Communication dated Jul. 23, 2009 in European Patent Application No. 05735282.5 filed Apr. 11, 2005 by Lin-Nan Lee et al.7EPO Communication dated Nov. 15, 2007 in counterpart European patent application No. 05735282.5 in related U.S. Appl. No. 11/102,958, filed Apr. 11, 2005.8ETSI; "Digital Video Broadcasting (DVB); Second Generation Framing Structure, Channel Coding and Modulation Systems for Broadcasting, Interactive Services, News Gathering and Other Broadband Satellite Applications"; Draft ETS EN 302 307 V1.1.1; Jun. 1, 2004; ETSI Standards; Lis, Sophia Antipolis Cedex, France; vol. BC, No. V1.1.1; XP014015373; ISSN: 0000-0001.9Japanese Office Action dated Sep. 15, 2009 in Japanese Patent Application No. 2007-508446 filed Apr. 11, 2005 by Lin-Nan Lee et al.10Japanese Office Action dated Sep. 15, 2009 in Japanese Patent Application No. 2007-508448 filed Apr. 11, 2005 by Lin-Nan Lee et al.11Japanese Office Action dated Sep. 15, 2009 in Japanese Patent Application No. 2007-508476 filed Apr. 11, 2005 by Lin-Nan Lee et al.12Japanese Office action dated Sep. 29, 2009 in Japanese Patent Application No. 2007-519222 filed May 26, 2005 by Feng-Wen Sun et al.13Korean Office Action dated Mar. 28, 2008 in Korean counterpart Application No. 10-2007-7002090 corresponding to U.S. Appl. No. 11/009,333, filed Dec. 10, 2004 by Feng-Wen Sun et al.14Korean Office Communication dated Oct. 29, 2007 in Korean counterpart application No. 10-2006-7023650 of U.S. Appl. No. 11/102,983, filed Apr. 11, 2005.15Naguleswaran, S., Rice, M., Schroeder, J.E.; "Channel Compensation Techniques in a Receiver with Adaptive MAI Suppressions"; 2002; IEEE (0-7803-7576-9/02); entire document; http://ieeexplore.ieee.org/iel5/8521/26928/01197156.pdf.16Non-final Office Action dated Aug. 20, 2007 in U.S. Appl. No. 11/103,307, filed Apr. 11, 2005 by Lin-Nan Lee et al.17Non-final Office Action dated Mar. 13, 2009 in U.S. Appl. No. 11/449,912, filed Jun. 9, 2006 by Lin-Nan Lee et al.18Non-final Office Action dated Mar. 18, 2008 in U.S. Appl. No. 11/449,912, filed Jun. 9, 2006 by Lin-Nan Lee et al.19Non-final Office Action dated Mar. 27, 2008 in U.S. Appl. No. 11/102,958, filed Apr. 11, 2005 by Lin-Nan Lee et al.20Non-final Office Action dated Nov. 14, 2005 in U.S. Appl. No. 11/009,346, filed Dec. 10, 2004 by Lin-Nan Lee et al., now issued Jan. 9, 2007 as US Patent No. 7,161,988.21Non-final OfficeAction dated Oct. 1, 2009 in U.S. Appl. No. 11/449,912, filed Jun. 9, 2006 by Lin-Nan Lee et al.22Notice of Allowance dated Feb. 13, 2008 in U.S. Appl. No. 11/103,307, filed Apr. 11, 2005 by Lin-Nan Lee et al.23Notice of Allowance dated Mar. 8, 2006 in U.S. Appl. No. 11/009,346, filed Dec. 10, 2004 by Lin-Nan Lee et al., now issued Jan. 9, 2007 as US Patent No. 7,161,988.24Notice of Allowance dated Sep. 30, 2008 in U.S. Appl. No. 11/102,958, filed Apr. 11, 2005 by Lin-Nan Lee et al.25Ponnampalam, Vishakan and Jones, Alan E.; "On Cell Parameter ID Assignment in Utra-TDD"; Personal, Indoor and Mobile Radio Communications; 2004; PIMRC 2004; 15th IEEE International Symposium; Barcelona, Spain; Sep. 5-8, 2004; Piscataway, New Jersey USA; vol. 3; pp. 2051-2054; XP010754293; ISBN: 0-7803-8523-3; Section III and Section IV.26Supplementary European search report dated Apr. 28, 2009 in European patent Application No. 05753920.7 filed May 26, 2005 by Feng-Wen Sun et al.27U.S. Appl. No. 11/102,983, filed Apr. 11, 2005, Joseph Santoru, Notice of Allowance dated Jan. 14, 2008.28Written Opinion of the International Searching Authority in International Application No. PCT/US05/12278, U.S. Appl. No. 11/102,958, filed Apr. 11, 2005.29Written Opinion of the International Searching Authority in International Application No. PCT/US05/12279, U.S. Appl. No. 11/102,983, filed Apr. 11, 2005.30Written Opinion of the International Searching Authority in International Application No. PCT/US05/12280, U.S. Appl. No. 11/103,307, filed Apr. 11, 2005.31Written Opinion of the International Searching Authority in International Application No. PCT/US05/12424, U.S. Appl. No. 11/009,346, filed Dec. 10, 2004.32Written Opinion of the International Searching Authority in International Application No. PCT/US05/18564, U.S. Appl. No. 11/009,333, filed Dec. 10, 2004.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS7961880Aug 25, 2006Jun 14, 2011The Directv Group, Inc.Methods and apparatuses for determining scrambling codes for signal transmissionUS8213553Apr 4, 2008Jul 3, 2012The Directv Group, Inc.Method and apparatus for identifying co-channel interferenceUS8406425Jun 9, 2006Mar 26, 2013Dtvg Licensing, Inc.Method and apparatus for minimizing co-channel interferenceUS8571480 *Oct 30, 2008Oct 29, 2013The Directv Group, Inc.Methods and apparatuses for minimizing co-channel interferenceUS8594575Apr 14, 2008Nov 26, 2013The Directv Group, Inc.Shifted channel characteristics for mitigating co-channel interferenceUS9307266Dec 22, 2014Apr 5, 2016Apple Inc.Methods and apparatus for context based line codingUS9450790Jan 30, 2014Sep 20, 2016Apple Inc.Methods and apparatus for enabling and disabling scrambling of control symbolsUS20060227894 *Jun 9, 2006Oct 12, 2006Lee Lin-NanMethod and apparatus for minimizing co-channel interferenceUS20070074242 *Aug 25, 2006Mar 29, 2007Judith WangMethods and apparatuses for determining scrambling codes for signal transmissionUS20080181291 *Apr 4, 2008Jul 31, 2008The Directv Group, Inc.Method and apparatus for identifying co-channel interferenceUS20090068953 *Oct 30, 2008Mar 12, 2009The Directv Group, Inc.Methods and apparatuses for minimizing co-channel interferenceUS20150078479 *May 8, 2014Mar 19, 2015Apple Inc.Methods and apparatus for the intelligent association of control symbols* Cited by examinerClassifications U.S. Classification370/342, 375/296, 375/285, 375/260International ClassificationH04J13/00, H04B7/216, H04J11/00, H04B1/707, H04B7/185Cooperative ClassificationH04W72/082, H04W72/0466, H04B7/1858, H04J13/102, H04J13/16, H04B1/7103European ClassificationH04B7/185S4Legal EventsDateCodeEventDescriptionDec 10, 2004ASAssignmentOwner name: DIRECTV GROUP, INC., THE, CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SUN, FENG-WEN;IYER, LAKSHMI;REEL/FRAME:016078/0656Effective date: 20041209Owner name: DIRECTV GROUP, INC., THE,CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SUN, FENG-WEN;IYER, LAKSHMI;REEL/FRAME:016078/0656Effective date: 20041209May 12, 2009ASAssignmentOwner name: DTVG LICENSING, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:THE DIRECTV GROUP, INC.;REEL/FRAME:022668/0491Effective date: 20090512Owner name: DTVG LICENSING, INC.,CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:THE DIRECTV GROUP, INC.;REEL/FRAME:022668/0491Effective date: 20090512Mar 14, 2013FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services