Wireless communication systems and methods for long-code...

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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C375S144000, C375S143000, C375S152000

Reexamination Certificate

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07139306

ABSTRACT:
The invention provides improved CDMA, WCDMA (UTMS) or other spread spectrum communication systems of the type that processes one or more spread-spectrum waveforms, each representative of a waveform received from a respective user (or other transmitting device). The improvement is characterized by a first logic element that generates a residual composite spread-spectrum waveform as a function of an arithmetic difference between a composite spread-spectrum waveform for all users (or other transmitters) and an estimated spread-spectrum waveform for each user. It is further characterized by one or more second logic elements that generate, for at least a selected user (or other transmitter), a refined spread-spectrum waveform as a function of a sum of the residual composite spread-spectrum waveform and the estimated spread-spectrum waveform for that user.

REFERENCES:
patent: 5581632 (1996-12-01), Koljonen et al.
patent: 5644592 (1997-07-01), Divsalar et al.
patent: 5757791 (1998-05-01), Kanterakis et al.
patent: 5790534 (1998-08-01), Kokko et al.
patent: 5831984 (1998-11-01), Hottinen
patent: 5864549 (1999-01-01), Honkasalo et al.
patent: 5867478 (1999-02-01), Baum et al.
patent: 5870378 (1999-02-01), Huang et al.
patent: 5872776 (1999-02-01), Yang
patent: 5881056 (1999-03-01), Huang et al.
patent: 5933423 (1999-08-01), Laakso et al.
patent: 5936950 (1999-08-01), Hottinen
patent: 5943330 (1999-08-01), Hottinen
patent: 6005852 (1999-12-01), Kokko et al.
patent: 6011812 (2000-01-01), Laakso et al.
patent: 6018317 (2000-01-01), Dogan et al.
patent: 6047020 (2000-04-01), Hottinen
patent: 6064689 (2000-05-01), Vollmer et al.
patent: 6067292 (2000-05-01), Huang et al.
patent: 6091788 (2000-07-01), Keskitalo et al.
patent: 6101176 (2000-08-01), Honkasalo et al.
patent: 6127973 (2000-10-01), Choi et al.
patent: 6128486 (2000-10-01), Keskitalo et al.
patent: 6154443 (2000-11-01), Huang et al.
patent: 6154507 (2000-11-01), Bottomley
patent: 6161209 (2000-12-01), Moher
patent: 6188718 (2001-02-01), Gitlin et al.
patent: 6192042 (2001-02-01), Seo
patent: 6212406 (2001-04-01), Keskitalo et al.
patent: 6215780 (2001-04-01), Peters et al.
patent: 6219341 (2001-04-01), Varanasi
patent: 6222833 (2001-04-01), Seo
patent: 6240099 (2001-05-01), Lim et al.
patent: 6282233 (2001-08-01), Yoshida
patent: 6370130 (2002-04-01), Zhou et al.
patent: 6570864 (2003-05-01), Kim et al.
patent: 6600729 (2003-07-01), Suzuki
patent: 6647059 (2003-11-01), Faruque
patent: 6754805 (2004-06-01), Juan
patent: 6782036 (2004-08-01), Dowling et al.
patent: 6801565 (2004-10-01), Bottomley et al.
patent: 6842480 (2005-01-01), Yang et al.
patent: 2002/0118728 (2002-08-01), Mohseni
patent: 2002/0122392 (2002-09-01), Elazabi
patent: 2003/0002569 (2003-01-01), Oates
patent: 2003/0058929 (2003-03-01), Cox et al.
patent: 2003/0076875 (2003-04-01), Oates
patent: 2003/0091058 (2003-05-01), Oates
patent: 2003/0091102 (2003-05-01), Oates
patent: 2003/0091106 (2003-05-01), Oates
patent: 2003/0099224 (2003-05-01), Oates
patent: 2003/0103558 (2003-06-01), Oates
patent: 2003/0128739 (2003-07-01), Oates
patent: 2003/0191887 (2003-10-01), Oates
patent: 2003/0198197 (2003-10-01), Oates
patent: 2003/0202559 (2003-10-01), Oates
patent: 2003/0202566 (2003-10-01), Oates
patent: 2003/0206577 (2003-11-01), Liberti, Jr. et al.
patent: 2003/0231702 (2003-12-01), Oates
patent: 2004/0213329 (2004-10-01), Takashi et al.
patent: 187 41 567 (1998-09-01), None
patent: 198 41 578 (2000-03-01), None
patent: 0 772 306 (1997-05-01), None
patent: 0 876 008 (1998-11-01), None
patent: 0 865 172 (1999-01-01), None
patent: 0 926 913 (1999-06-01), None
patent: 0 929 202 (1999-07-01), None
patent: 0 936 749 (1999-08-01), None
patent: 0 954 112 (1999-11-01), None
patent: 0 955 734 (1999-11-01), None
patent: 0 831 669 (1999-12-01), None
patent: 0 971 485 (2000-01-01), None
patent: 0 982875 (2000-01-01), None
patent: 0 978 951 (2000-02-01), None
patent: 0 978 962 (2000-02-01), None
patent: 0 993 127 (2000-04-01), None
patent: 0 839 412 (2000-08-01), None
patent: 1 035 681 (2000-09-01), None
patent: 1 047 218 (2000-10-01), None
patent: 1 063 780 (2000-12-01), None
patent: 1 065 799 (2001-01-01), None
patent: 1 069 722 (2001-01-01), None
patent: 1 075 158 (2001-02-01), None
patent: 1 077 551 (2001-02-01), None
patent: 1 085 688 (2001-03-01), None
patent: 1 093 235 (2001-04-01), None
patent: 1 091 506 (2001-05-01), None
patent: 1 124 346 (2001-08-01), None
patent: WO 95/12943 (1995-05-01), None
patent: WO 95/14336 (1995-05-01), None
patent: WO 95/28772 (1995-10-01), None
patent: WO 96/01544 (1996-01-01), None
patent: WO 96/11534 (1996-04-01), None
patent: WO 96/37969 (1996-11-01), None
patent: WO 96/37970 (1996-11-01), None
patent: WO 96/37973 (1996-11-01), None
patent: WO 96/37974 (1996-11-01), None
patent: WO 96/37975 (1996-11-01), None
patent: WO 96 37976 (1996-11-01), None
patent: WO 96/38015 (1996-11-01), None
patent: WO 97/02666 (1997-01-01), None
patent: WO 97/15985 (1997-05-01), None
patent: WO 97/21292 (1997-06-01), None
patent: WO 97/35384 (1997-09-01), None
patent: WO 97/36378 (1997-10-01), None
patent: WO 98/10542 (1998-03-01), None
patent: WO 98/17026 (1998-04-01), None
patent: WO 98/18210 (1998-04-01), None
patent: WO 98/24193 (1998-06-01), None
patent: WO 98/24199 (1998-06-01), None
patent: WO 98/38805 (1998-09-01), None
patent: WO 98/45967 (1998-10-01), None
patent: WO 98/47243 (1998-10-01), None
patent: WO 98/51111 (1998-11-01), None
patent: WO 98/59450 (1998-12-01), None
patent: WO 99/01946 (1999-01-01), None
patent: WO 99/33196 (1999-06-01), None
patent: WO 99/35706 (1999-07-01), None
patent: WO 99/41871 (1999-08-01), None
patent: WO 99/59266 (1999-11-01), None
patent: WO 99/66645 (1999-12-01), None
patent: WO 00/04652 (2000-01-01), None
patent: WO 00/18030 (2000-03-01), None
patent: WO 00/49720 (2000-08-01), None
patent: WO 00/51260 (2000-08-01), None
patent: WO 00/54427 (2000-08-01), None
patent: WO 00/52845 (2000-09-01), None
patent: WO 00/54418 (2000-09-01), None
patent: WO 00/72459 (2000-11-01), None
patent: WO 00/72464 (2000-11-01), None
patent: WO 00/72465 (2000-11-01), None
patent: WO 00/72496 (2000-11-01), None
patent: WO 00/79701 (2000-12-01), None
patent: WO 01/01605 (2001-01-01), None
patent: WO 01/03330 (2001-01-01), None
patent: WO 01/13530 (2001-02-01), None
patent: WO 01/22610 (2001-03-01), None
patent: WO 01/22617 (2001-03-01), None
patent: WO 01/28150 (2001-04-01), None
patent: WO 01/29983 (2001-04-01), None
patent: WO 01/29990 (2001-04-01), None
patent: WO 01/41387 (2001-06-01), None
patent: WO 01/43302 (2001-06-01), None
patent: WO 01/45287 (2001-06-01), None
patent: WO 01/46711 (2001-06-01), None
patent: WO 01/53999 (2001-07-01), None
patent: WO 01/54300 (2001-07-01), None
patent: WO 01/59258 (2001-08-01), None
patent: WO 01/59962 (2001-08-01), None
S. L. Miller and A. N. Barbosa, “A Modified MMSE Receiver for Detection of DS-CDMA Signals in Fading Channels”, 1996, IEEE, Proc. MILCOM'96, pp. 898-902.

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