Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2011-08-02
2011-08-02
Kim, Kevin Y (Department: 2611)
Pulse or digital communications
Receivers
Interference or noise reduction
Reexamination Certificate
active
07991088
ABSTRACT:
A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be implemented explicitly in software or programmed hardware, or implicitly in standard Rake-based hardware either within the Rake (i.e., at the finger level) or outside the Rake (i.e., at the user or subchannel symbol level).
REFERENCES:
patent: 5271042 (1993-12-01), Borth et al.
patent: 5423045 (1995-06-01), Kannan et al.
patent: 5553062 (1996-09-01), Schilling et al.
patent: 5568411 (1996-10-01), Batruni
patent: 5606560 (1997-02-01), Malek et al.
patent: 5644592 (1997-07-01), Divsalar et al.
patent: 5761237 (1998-06-01), Petersen et al.
patent: 6161209 (2000-12-01), Moher
patent: 6175588 (2001-01-01), Visotsky et al.
patent: 6192067 (2001-02-01), Toda et al.
patent: 6208683 (2001-03-01), Mizuguchi et al.
patent: 6307901 (2001-10-01), Yu et al.
patent: 6320919 (2001-11-01), Khayrallah et al.
patent: 6404760 (2002-06-01), Holtzman et al.
patent: 6414949 (2002-07-01), Boulanger et al.
patent: 6426973 (2002-07-01), Madhow et al.
patent: 6466611 (2002-10-01), Bachu et al.
patent: 6496534 (2002-12-01), Shimizu et al.
patent: 6522683 (2003-02-01), Smee et al.
patent: 6529495 (2003-03-01), Aazhang et al.
patent: 6535554 (2003-03-01), Webster et al.
patent: 6570919 (2003-05-01), Lee
patent: 6594318 (2003-07-01), Sindhushayana
patent: 6594618 (2003-07-01), Sindhushayana
patent: 6647078 (2003-11-01), Thomas et al.
patent: 6687723 (2004-02-01), Ding
patent: 6690723 (2004-02-01), Goss et al.
patent: 6711219 (2004-03-01), Thomas et al.
patent: 6714585 (2004-03-01), Wang et al.
patent: 6724809 (2004-04-01), Reznik
patent: 6741634 (2004-05-01), Kim et al.
patent: 6754340 (2004-06-01), Ding
patent: 6816541 (2004-11-01), Schmidl
patent: 6839390 (2005-01-01), Mills
patent: 6850772 (2005-02-01), Mottier
patent: 6909742 (2005-06-01), Leonosky
patent: 6912250 (2005-06-01), Adireddy et al.
patent: 6931052 (2005-08-01), Fuller et al.
patent: 6947481 (2005-09-01), Citta et al.
patent: 6947506 (2005-09-01), Mills
patent: 6956893 (2005-10-01), Frank et al.
patent: 6959065 (2005-10-01), Sparrman et al.
patent: 6963546 (2005-11-01), Misra et al.
patent: 6975669 (2005-12-01), Ling et al.
patent: 6975671 (2005-12-01), Sindhushayana
patent: 6986096 (2006-01-01), Chaudhuri et al.
patent: 6993070 (2006-01-01), Bethet et al.
patent: 6996385 (2006-02-01), Messier et al.
patent: 7020175 (2006-03-01), Frank
patent: 7035316 (2006-04-01), Smee et al.
patent: 7035354 (2006-04-01), Karnin et al.
patent: 7042929 (2006-05-01), Pan et al.
patent: 7051268 (2006-05-01), Sindhushayana et al.
patent: 7054354 (2006-05-01), Gorokhov et al.
patent: 7069050 (2006-06-01), Yoshida
patent: 7092464 (2006-08-01), Mills
patent: 7133435 (2006-11-01), Papasakellariou et al.
patent: 7298805 (2007-11-01), Walton et al.
patent: 7397843 (2008-07-01), Grant et al.
patent: 7535969 (2009-05-01), Catreux et al.
patent: 7623602 (2009-11-01), Guess et al.
patent: 7711075 (2010-05-01), Guess et al.
patent: 7733941 (2010-06-01), McCloud et al.
patent: 2001/0053143 (2001-12-01), Li et al.
patent: 2002/0009156 (2002-01-01), Hottinen et al.
patent: 2002/0060999 (2002-05-01), Ma et al.
patent: 2002/0118781 (2002-08-01), Thomas et al.
patent: 2002/0131534 (2002-09-01), Ariyoshi et al.
patent: 2002/0154717 (2002-10-01), Shima et al.
patent: 2002/0159507 (2002-10-01), Flaig et al.
patent: 2003/0005009 (2003-01-01), Usman
patent: 2003/0012264 (2003-01-01), Papasakellariou et al.
patent: 2003/0035469 (2003-02-01), Frank et al.
patent: 2003/0086479 (2003-05-01), Naguib
patent: 2003/0095590 (2003-05-01), Fuller et al.
patent: 2003/0156630 (2003-08-01), Sriram et al.
patent: 2003/0210667 (2003-11-01), Zhengdi
patent: 2003/0219085 (2003-11-01), Endres et al.
patent: 2004/0001537 (2004-01-01), Zhang et al.
patent: 2004/0008765 (2004-01-01), Chung et al.
patent: 2004/0013190 (2004-01-01), Jayaraman et al.
patent: 2004/0076224 (2004-04-01), Onggosanusi et al.
patent: 2004/0095907 (2004-05-01), Agee et al.
patent: 2004/0116078 (2004-06-01), Rooyen et al.
patent: 2004/0146024 (2004-07-01), Li et al.
patent: 2004/0161065 (2004-08-01), Buckley et al.
patent: 2004/0165675 (2004-08-01), Ito et al.
patent: 2004/0190601 (2004-09-01), Papadimitriou et al.
patent: 2004/0196892 (2004-10-01), Reznik
patent: 2004/0248515 (2004-12-01), Molev Shteiman
patent: 2004/0264552 (2004-12-01), Smee et al.
patent: 2005/0002445 (2005-01-01), Dunyak et al.
patent: 2005/0013349 (2005-01-01), Chae et al.
patent: 2005/0084045 (2005-04-01), Stewart et al.
patent: 2005/0101259 (2005-05-01), Tong et al.
patent: 2005/0111408 (2005-05-01), Skillermark et al.
patent: 2005/0129107 (2005-06-01), Park et al.
patent: 2005/0152267 (2005-07-01), Song et al.
patent: 2005/0157811 (2005-07-01), Bjerke et al.
patent: 2005/0163196 (2005-07-01), Currivan et al.
patent: 2005/0180364 (2005-08-01), Nagarajan et al.
patent: 2005/0185729 (2005-08-01), Mills
patent: 2005/0190868 (2005-09-01), Khandekar et al.
patent: 2005/0195889 (2005-09-01), Grant et al.
patent: 2005/0213529 (2005-09-01), Chow et al.
patent: 2005/0223049 (2005-10-01), Regis
patent: 2005/0243908 (2005-11-01), Heo et al.
patent: 2005/0259770 (2005-11-01), Chen et al.
patent: 2005/0265465 (2005-12-01), Hosur et al.
patent: 2006/0007895 (2006-01-01), Coralli et al.
patent: 2006/0013289 (2006-01-01), Hwang
patent: 2006/0047842 (2006-03-01), McElwain
patent: 2006/0078042 (2006-04-01), Lee et al.
patent: 2006/0126703 (2006-06-01), Karna
patent: 2006/0141933 (2006-06-01), Smee et al.
patent: 2006/0141934 (2006-06-01), Pfister et al.
patent: 2006/0141935 (2006-06-01), Hou et al.
patent: 2006/0142041 (2006-06-01), Tomasin et al.
patent: 2006/0153283 (2006-07-01), Scharf et al.
patent: 2006/0215781 (2006-09-01), Lee et al.
patent: 2006/0229051 (2006-10-01), Narayan et al.
patent: 2006/0245509 (2006-11-01), Khan et al.
patent: 2007/0153935 (2007-07-01), Yang et al.
patent: 1179891 (2002-02-01), None
patent: 01/089107 (2001-11-01), None
patent: 02/080432 (2002-10-01), None
D. Guo, et al., “Linear parallel interference cancellation in long-code CDMA,” IEEE J. Selected Areas Commun., Dec. 1999, pp. 2074-2081, vol. 17., No. 12.
D. Guo, et al., “MMSE-based linear parallel interference cancellation in CDMA,” inProceedings of IEEE Int. Symp. Spread Spectrum Techniques and Appl, Sep. 1998, pp. 917-921.
L. Rassmussen, et al., “Convergence behaviour of linear parallel cancellation in CDMA,” IEEE Global Telecom. Conf. (San Antonio, Texas), Dec. 2001, pp. 3148-3152.
D. Guo, et al., “A Matrix-Algebraic Approach to Linear Parallel Interference Cancellation in CDMA,” IEEE Trans. Commun., Jan. 2000, pp. 152-161, vol. 48., No. 1.
L. Rasmussen, et al., “Ping-Pong Effects in Linear Parallel Interference Cancellation for CDMA,” IEEE Trans. Wireless Commun., Mar. 2003, pp. 357-363, vol. 2., No. 2.
T. Lin, et al, “Iterative Multiuser Coding with Maximal Ratio Combining,” Australian Workshop on Commun. Theory, (Newcastle, Australia), Feb. 2004, pp. 42-46.
T. Lin, et al., “Truncated Maximal Ratio Combining for Iterative Multiuser Decoding,” Australian Workshop on Commun. Theory, (Brisbane, Australia), Feb. 2005.
X. Wang, et al. “Iterative (Turbo) Soft Interference Cancellation and Decoding for Coded CDMA,” IEEE Transactions on Communications, Jul. 1999, pp. 1046-1061, vol. 47, No. 7.
D. Divsalar, et al., “Improved Parallel Interference Cancellation for CDMA,” IEEE Trans. on Comm., Feb. 1998, pp. 258-268, vol. 46, No. 2.
M. Ali-Hackl, et al. “Error Vector Magnitude as a Figure of Merit for CDMA Receiver Design,” The 5th European Wireless Conf., Feb. 2004.
G. Xue, et al., “Adaptive Multistage Parallel Interference Cancellation for CDMA over Multipath Fading Channels,
Guess Tommy
Lamba Gagandeep Singh
McCloud Michael L.
Nagarajan Vijay
Barcelo, Harrison & Walker LLP
Kim Kevin Y
LandOfFree
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