Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2007-11-27
2007-11-27
Ghayour, Mohammed (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C375S149000, C375S150000, C375S343000, C455S522000
Reexamination Certificate
active
11194217
ABSTRACT:
Fading frequency decision device and method are provided. An inner product value of pilot symbols which are time multiplexed in a control channel which is parallel multiplexed with a data channel, an inner product value of pilot symbols in a channel in which data symbols and pilot symbols are time multiplexed, or an inner product value of pilot symbols of a pilot channel which is parallel multiplexed with a data channel is calculated. A fading frequency is decided based on the calculated inner product value.
REFERENCES:
patent: 5619524 (1997-04-01), Ling et al.
patent: 5737327 (1998-04-01), Ling et al.
patent: 5815515 (1998-09-01), Dabiri
patent: 5881056 (1999-03-01), Huang et al.
patent: 6128276 (2000-10-01), Agee
patent: 6137788 (2000-10-01), Sawahashi et al.
patent: 6151353 (2000-11-01), Harrison et al.
patent: 6307850 (2001-10-01), Watanabe
patent: 6314131 (2001-11-01), Roe et al.
patent: 6327310 (2001-12-01), Hochwald et al.
patent: 6370130 (2002-04-01), Zhou et al.
patent: 6381229 (2002-04-01), Narvinger et al.
patent: 6434375 (2002-08-01), Chulajata et al.
patent: 6452959 (2002-09-01), McDonough
patent: 6456647 (2002-09-01), Banister
patent: 6519300 (2003-02-01), Ramesh
patent: 6647003 (2003-11-01), Abeta et al.
patent: 6842442 (2005-01-01), Okawa et al.
patent: 7106791 (2006-09-01), Chen et al.
patent: 7149240 (2006-12-01), McDonough et al.
patent: 2005/0054366 (2005-03-01), Chen et al.
patent: 0 715 440 (1996-06-01), None
patent: 0776105 (1997-05-01), None
patent: 0963056 (1999-12-01), None
patent: 0963071 (1999-12-01), None
patent: 09008770 (1997-01-01), None
patent: 09-298489 (1997-11-01), None
patent: 10051424 (1998-02-01), None
patent: 11186990 (1999-07-01), None
patent: 11284990 (1999-10-01), None
patent: WO98/47246 (1998-10-01), None
patent: WO99/27672 (1999-06-01), None
patent: WO99/31835 (1999-06-01), None
patent: WO99/55033 (1999-10-01), None
Mark E. Rollins et al, “Error Performance Analysis of MLSE For Frequency- Selective Rayleigh Fading Channels With Kalman Channel Estimation”, IEEE, International Conference on Communications, May 1, 1994, pp. 321-326.
Channel Estimation Filter Using Time-Multiplexed Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio Hidehiro Andoh, Mamoru Sawahashi, and Fumiyuki Adachi Jul. 1998.
DS-CDMA: The Performance of Channel Estimation Method Using Adaptive Weighted Multi-Symbol Averaging (WMSA) With Pilot Channel in DS-CDMA Sadayuki Abeta, Mamoru Sawahashi, Fumiyuki Adachi NTT Mobile Communication Network Inc. p. 67-79.
Rayleigh Fading Compensation for QAM in Land Mobile Radio Communications Seiichi Sampei and Terumi Sunaga May 1993 IEEE Transactions on Vehicular Technology, vol. 42, No. 2.
Rayleigh Fading Compensation Method in 16QAM MODEM in Digital Land Mobile Radio Systems Seiichi Sampei pp. 7-15 1989.
Performance Of Pilot Symbols-Assisted Coherant Rake Receiver Using Weighted Multi-Slot Averaging for DS-CDMA Mobile Radio A. Andoh, M. Sawahashi and F. Adachi Jul. 1997 p. 63-68.
Performance Comparison Between Time-Multiplexed Pilot Channel and Parallel Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio Sadayuki Abeta, Mamoru Sawahashi and Fumiyuki Adachi Jul. 1998 p. 1417-1425.
The Performance of Channel Estimation Method Using Weighted Multi-Symbol Averaging (WMSA) With Pilot Chanel in DS-CDMA Sadayuki Abeta, Hidehiro Ando, Mamoru Sawahashi and Fumiyuki Adachi Nov. 1997 p. 43-50.
DS/CDMA Coherent Detection System With a Supressed Pilot Channel Sadayuki Abeta, Seiichi Sampei and Norihiko Morinaga 1994 IEEE p. 1622-1626.
A Coherent Detection System With a Supressed Pilot Channel for DS/CDMA Systems Sadayuki Abeta, Seiichi Sampei and Norihiko Morinaga 1994 p. 641-648.
Adaptive Channel Estimation for Coherent DS/CDMA Mobile Radio Using Time-Multiplexed Pilot and Parallel Pilot Structures Sadayuki Abeta, Mamoru Sawahashi and Fumiyuki Adachi Sep. 1999 p. 1505-1513.
Official Notice of Rejection: Case No. DCMH150269, Patent Application No. 2003-277907.
Channel Estimation Filter Using Time-Multiplexed Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio; Hidehiro Andoh, Mamoru Sawahashi and Fumiyuki Adachi; IEICE Trans. Commun., vol. E81-B, No. 7, Jul. 1998; p. 1517-1525.
Performance Comparison Between Time-Multiplexed Pilot Channel and Parallel Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio; Sadayuki Abeta, Mamoru Sawahashi and Fumiyuki Adachi; IEICE Trans. Commun., vol. E81-B, No. 7, Jul. 1998; p. 1417-1425.
The Performance of Channel Estimation method using Adaptive Weighted Multi-Symbol Averaging (WMSA) with Pilot Channel in DS-CDMA; Sadayuki Abeta, Mamoru Sawahashi, Fumiyuki Adachi, (Apr. 1998); p. 67-74 (English translation included with article 43 pages total; copy attached hereto as Article 1).
Ando Hidehiro
Ishikawa Yoshihiro
Okumura Yukihiko
Onoe Seizo
Usuda Masafumi
Ghayour Mohammed
Ghulamali Qutub
NTT DoCoMo Inc.
Workman Nydegger
LandOfFree
Fading frequency decision device and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fading frequency decision device and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fading frequency decision device and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3832241