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1.发明专利Apparatus and method for decreasing peak-to-average ratio in cdma communication 审中-公开CDMA通信中降低平均比率的装置和方法
公开(公告)号：JP2010050985A
公开(公告)日：2010-03-04
申请号：JP2009219801
申请日：2009-09-24
Applicant: Qualcomm Inc , クゥアルコム・インコーポレイテッドQualcomm Incorporated
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
CPC classification number: H04B1/707 , H04B2201/70706
Abstract: PROBLEM TO BE SOLVED: To provide a new and improved method for decreasing a peak-to-average ratio in a system using an auxiliary pilot channel. SOLUTION: A system using the auxiliary pilot channel is described in TIA/EIA for ITU, cdma 2000 for TR45.5 ITU, and ITU-R RTT Candidate Submission for discussion in the third-generation wireless communication system. The first method is to change a phase in the auxiliary pilot channel. Consequently, the auxiliary pilot channel can be prevented from accumulative application. The second method is to gate out part of the modified auxiliary pilot channel to be applied in an accumulative manner. Further, a signal is decoded by means of the modified auxiliary pilot channel. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供一种用于降低使用辅助导频信道的系统中的峰均比的新的和改进的方法。 解决方案：在ITU的TIA / EIA，TR45.5 ITU的cdma 2000和第三代无线通信系统中讨论的ITU-R RTT候选提交文件中描述了使用辅助导频信道的系统。 第一种方法是改变辅助导频信道中的相位。 因此，可以防止辅助导频信道的累积应用。 第二种方法是将要修改的辅助导频信道的一部分以累积方式进行门控。 此外，通过修改的辅助导频信道对信号进行解码。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：AT483279T
公开(公告)日：2010-10-15
申请号：AT07016079
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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公开(公告)号：SI20603A
公开(公告)日：2001-12-31
申请号：SI9920077
申请日：1999-08-17
Applicant: QUALCOMM INC
Inventor： SHANBHAG ABHIJIT
Abstract: A transmission method in a communications system having orthogonal code vectors (10) for transmitting message signals. The method includes forming a first vector matrix using a first series of cyclic shifts and forming a second vector matrix using a second series of cyclic shifts. The first vector matrix is permuted to provide an orthogonal code and the permuting operations are determined. The method also sets forth applying the determined permuting operations to the second matrix to provide a quasi orthogonal code vector (50). The quasi orthogonal code vector (50) is applied to a message signal to provide an encoded message signal and the encoded message signal is transmitted. The forming of the first matrix vector includes cyclic shifts of a sequence having a characteristic polynomial.
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公开(公告)号：DE60036605D1
公开(公告)日：2007-11-15
申请号：DE60036605
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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公开(公告)号：CA2365007A1
公开(公告)日：2000-08-31
申请号：CA2365007
申请日：2000-02-25
Applicant: QUALCOMM INC
Inventor： TERASAWA DAISUKE , WILLENEGGER SERGE , SARKAR SANDIP , TIEDEMANN EDWARD G JR , JOU YU-CHEUN , ODENWALDER JOSEPH P , SHANBHAG ABHIJIT
Abstract: A method and system that enables faster acquisition of the forward link sign al of a target base station in a mixed network of synchonous and asynchronous base stations is disclosed. The serving base station transmits in a neighbor list an estimated timing error (417) between the serving base station and a target base station. By utilizing the timing information, a mobile station estimates the relative time offset (408) between forward link signals receiv ed from the serving base station and signals received from the target base station. Timing information acquired during handoff enables accurate updatin g of the estimated timing error (417) subsquently transmitted in the neighbor lists by the base stations.
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Patent Agency Ranking
公开(公告)号：DE60036605T2
公开(公告)日：2008-07-03
申请号：DE60036605
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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公开(公告)号：AT375031T
公开(公告)日：2007-10-15
申请号：AT00908418
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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公开(公告)号：DE60045053D1
公开(公告)日：2010-11-11
申请号：DE60045053
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
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公开(公告)号：HK1041750A1
公开(公告)日：2002-07-19
申请号：HK02103351
申请日：2002-05-03
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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公开(公告)号：AU2976500A
公开(公告)日：2000-08-18
申请号：AU2976500
申请日：2000-01-28
Applicant: QUALCOMM INC
Inventor： WILLENEGGER SERGE , HOLTZMAN JACK M , SHANBHAG ABHIJIT
Abstract: The present invention is a novel and improved method and apparatus for reducing peak to average ratio in a system using auxiliary pilot channels as described in the TIA/EIA TR45.5 "cdma2000 ITU-R RTT Candidate Submission" to the ITU for consideration in the third generation wireless communication systems. A first method proposed in the present invention to deal with the above stated problem is to alter the phase of the auxiliary pilot channels to reduce to prevent the auxiliary pilot channels from adding constructively. A second method proposed in the present invention to deal with the above stated problem is to gate out the portion of the auxiliary pilot channels that add constructively. The present invention also proposes a novel demodulator design for receiving signals using the modified auxiliary pilot signals.
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