63 ESPRIT and Closed-Form2-D Angle Estimation with Planar Arrays

... LLCESPRITandClosed-Form2-DAngleEstimationwithPlanar Arrays MartinHaardtSiemensAGMobileRadioNetworksMichaelD.ZoltowskiPurdueUniversityCherianP.MathewsUniversityofWestFloridaJavierRamosPolytechnicUniversityofMadrid 63. 1IntroductionNotation 63. 2TheStandardESPRITAlgorithm 63. 31-DUnitaryESPRIT1-DUnitaryESPRITinElementSpace•1-DUnitaryESPRITinDFTBeamspace 63. 4UCA-ESPRITforCircularRingArraysResultsofComputerSimulations 63. 5FCA-ESPRITforFilledCircularArraysComputerSimulation 63. 62-DUnitaryESPRIT2-DArrayGeometry•2-DUnitaryESPRITinElementSpace•AutomaticPairingofthe2-DFrequencyEstimates•2-DUnitaryESPRITinDFTBeamspace•SimulationResultsReferences 63. 1 ... (63. 34). In fact, to be able to compute the fourtransformed selection matrices for 2-D Unitary ESPRIT, it is sufficient to specify Jµ2 and Jν2,cf. (63. 38) and (63. 39). 63. 6.2 2-D Unitary ESPRIT ... extension of structured leastsquares (SLS) [8].c1999 by CRC Press LLCESPRITandClosed-Form2-DAngleEstimationwithPlanar Arrays MartinHaardtSiemensAGMobileRadioNetworksMichaelD.ZoltowskiPurdueUniversityCherianP.MathewsUniversityofWestFloridaJavierRamosPolytechnicUniversityofMadrid 63. 1IntroductionNotation 63. 2TheStandardESPRITAlgorithm 63. 31-DUnitaryESPRIT1-DUnitaryESPRITinElementSpace•1-DUnitaryESPRITinDFTBeamspace 63. 4UCA-ESPRITforCircularRingArraysResultsofComputerSimulations 63. 5FCA-ESPRITforFilledCircularArraysComputerSimulation 63. 62-DUnitaryESPRIT2-DArrayGeometry•2-DUnitaryESPRITinElementSpace•AutomaticPairingofthe2-DFrequencyEstimates•2-DUnitaryESPRITinDFTBeamspace•SimulationResultsReferences 63. 1...

... frequency and 2D angles. Figures 1 and 3 show that the angle estimates from ESPRIT s eigenvalues combined with eigenvectors have better performance than angle estimatesobtained from only ESPRIT s ... Zoltowaki and Mathews discuss ESPRIT- based real-time angle- frequency estimation algorithm using scalar sen-sor array [22].In this paper, we try to combine the ESPRIT- basedfrequency estimation with ... ESPRIT- based angle and fre-quency estimation methods have been proposed. Lemma etal. presented joint angle- frequency estimation method usingmultidimensional and multiresolution ESPRIT algorithms[20,...

... collected with a standardquestionnaire including a validated RAND 36-Item Health Survey (RAND-36) questionnaire.Results: 105 (31%) women with AGA and 225 (69%) controls completed the RAND-36questionnaire. ... citation purposes)Health and Quality of Life OutcomesOpen AccessResearchHealth-related quality of life and physical well-being among a 63- year-old cohort of women with androgenetic alopecia; ... literature, analyzedthe data and wrote the initial and subsequent drafts. UR,ML, LH and PiH collected the data and contributed to thestudy design, interpretation and revisions of the manu-script....

... random field estimation with wireless sensor networks. We consider two encoding strategies,namely, Compress -and- Estimate (C&E) and Quantize -and- Estimate (Q&E), which operate with and without ... problem of(nonnecessarily bandlimited) random field estimation with wireless sensor networks. To that aim, we adopt the Q&E and C&E encoding schemes of [3] and analyze their performancein ... no. 7, pp. 790–802,2007.[7] A. Dogandˇzi´c and K. Qiu, “Decentralized random-field estimation for sensor networks using quantized spatiallycorrelateddata and fusion-center feedback,” IEEE...

... along with SCA and the ideal synchronized system.SCA is used to estimate the FFO and coarse TO.5. CONCLUSIONSA method for joint frequency ambiguity resolution (or IFO estimation) and TO estimation ... synchronization and channel estimation algorithms forOFDM systems, and signal processing for radar.Guisheng Liao received the B.S. degreefrom Guangxi University, Guangxi, China,in 1985 and the M.S. and ... method forthe IFO estimation using one pilot symbol is compared with that of the SCA [7] and Chen’s method [9]. Firstly, we useMinn’s method [11] to obtain the timing. And then, SCA and Chen’s method...

... Communications and NetworkingVolume 2007, Article ID 24342, 13 pagesdoi:10.1155/2007/24342Research ArticleChannel Impulse Response Length and Noise Variance Estimation for OFDM Systems with Adaptive ... OFDM system with adaptive guard interval (illust ration in baseband).5. STRUCTURE OF AN OFDM SYSTEM WITH ADAPTIVE GUARD INTERVALFigure 7 shows the st ructure of an OFDM system with adap-tive ... system and methods ofestimating channel impulse responses therein,” US patent0043887 A1, March 2003.[3] E. G. Larsson, G. Liu, J. Li, and G. B. Giannakis, “Joint sym-bol timing and channel estimation...

... major channel estimation concepts inthis context: (1) training-based channel estimation (tb), (2)semiblind channel estimation (sb), and (3) blind channel estimation. For tb, channel estimation ... Weiss and B. Friedlander, “Channel estimation forDS-CDMA downlink with aperiodic spreading codes,” IEEETransactions on Communications, vol. 47, no. 10, pp. 1561–1569, 1999.[18] H. Holma and ... Illustration of training-based channel estimation (tb), training-based channel estimation with partial data interference cancelation(tb-IC), and semiblind channel estimation (sb) in the ith iteration....

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