TW200737758A - Iterative fast fourier transform error correction - Google Patents

Iterative fast fourier transform error correction

Info

Publication number
TW200737758A
TW200737758A TW095142889A TW95142889A TW200737758A TW 200737758 A TW200737758 A TW 200737758A TW 095142889 A TW095142889 A TW 095142889A TW 95142889 A TW95142889 A TW 95142889A TW 200737758 A TW200737758 A TW 200737758A
Authority
TW
Taiwan
Prior art keywords
data
fourier transform
estimated
data signals
transmitted
Prior art date
Application number
TW095142889A
Other languages
Chinese (zh)
Inventor
Jung-Lin Pan
Ariela Zeira
Original Assignee
Interdigital Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/004,370 external-priority patent/US7027489B2/en
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200737758A publication Critical patent/TW200737758A/en

Links

Abstract

Data is to be estimated from a received plurality of data signals in a code division multiple access communication system. The data signals are transmitted in a shared spectrum at substantially a same time. A combined signal of the transmitted data signals are received over the shared spectrum and sampled. A channel response for the transmitted data signals is estimated. Data of the data signals is estimated using the samples and the estimated channel response. The data estimation uses a fourier transform based data estimating approach. An error in the data estimation introduced from a circulant approximation used in the fourier transform based approach is iteratively reduced.
TW095142889A 2001-11-01 2002-04-04 Iterative fast fourier transform error correction TW200737758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/004,370 US7027489B2 (en) 2001-04-06 2001-11-01 Iterative fast fourier transform error correction

Publications (1)

Publication Number Publication Date
TW200737758A true TW200737758A (en) 2007-10-01

Family

ID=38291587

Family Applications (3)

Application Number Title Priority Date Filing Date
TW94111917A TWI269540B (en) 2001-11-01 2002-04-04 Iterative fast fourier transform error correction
TW095142889A TW200737758A (en) 2001-11-01 2002-04-04 Iterative fast fourier transform error correction
TW094134538A TW200637191A (en) 2001-11-01 2002-04-04 Iterative fast fourier transform error correction

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW94111917A TWI269540B (en) 2001-11-01 2002-04-04 Iterative fast fourier transform error correction

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW094134538A TW200637191A (en) 2001-11-01 2002-04-04 Iterative fast fourier transform error correction

Country Status (1)

Country Link
TW (3) TWI269540B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8064550B2 (en) 2007-03-09 2011-11-22 Qualcomm, Incorporated Quadrature imbalance estimation using unbiased training sequences
US8290083B2 (en) 2007-03-09 2012-10-16 Qualcomm Incorporated Quadrature imbalance mitigation using unbiased training sequences
US8428175B2 (en) 2007-03-09 2013-04-23 Qualcomm Incorporated Quadrature modulation rotating training sequence

Also Published As

Publication number Publication date
TWI269540B (en) 2006-12-21
TW200637191A (en) 2006-10-16
TW200623664A (en) 2006-07-01

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