05740nam 2200769Ia 450 991013951270332120230725044907.01-282-55169-897866125516970-470-66117-80-470-66118-6(CKB)2550000000012172(EBL)514435(OCoLC)612432712(SSID)ssj0000431168(PQKBManifestationID)11296544(PQKBTitleCode)TC0000431168(PQKBWorkID)10474602(PQKB)10724763(MiAaPQ)EBC514435(Au-PeEL)EBL514435(CaPaEBR)ebr10377837(CaONFJC)MIL255169(EXLCZ)99255000000001217220100106d2010 uy 0engur|n|---|||||txtccrWideband beamforming[electronic resource] concepts and techniques /Wei Liu, Stephan WeissChichester, West Sussex, U.K. ;Hoboken, N.J. Wiley20101 online resource (304 p.)Wireless Communications and Mobile Computing ;v.17Description based upon print version of record.0-470-71392-5 Includes bibliographical references and index.Wideband Beamforming; About the Series Editors; Contents; Preface; 1 Introduction; 1.1 Array Signal Processing; 1.2 Narrowband Beamforming; 1.3 Wideband Beamforming; 1.4 Wideband Beam Steering; 1.4.1 Beam Steering for Narrowband Arrays; 1.4.2 Beam Steering for Wideband Arrays; 1.4.3 A Unified Interpretation; 1.5 Summary; 2 Adaptive Wideband Beamforming; 2.1 Reference Signal-Based Beamformer; 2.1.1 Least Mean Square Algorithm; 2.1.2 Normalized Least Mean Square Algorithm; 2.1.3 Recursive Least Squares Algorithm; 2.1.4 Comparison of Computational Complexities2.1.5 Frequency-Domain and Subband Adaptive Algorithms2.1.6 Simulations; 2.2 Linearly Constrained Minimum Variance Beamforming; 2.2.1 A Simple Formulation of Constraints; 2.2.2 Optimum Solution to the LCMV Problem; 2.2.3 Frost's Algorithm for LCMV Beamforming; 2.2.4 Simulations; 2.3 Constraints Design for LCMV Beamforming; 2.3.1 Eigenvector Constraint Design; 2.3.2 Design Example; 2.3.3 Application to Wideband DOA Estimation; 2.4 Generalized Sidelobe Canceller; 2.4.1 GSC Structure; 2.4.2 GSC with Tapped Delay-Lines; 2.4.3 Blocking Matrix Design; 2.4.4 Simulations2.5 Other Minimum Variance Beamformers2.5.1 Soft Constrained Minimum Variance Beamformer; 2.5.2 Correlation Constrained Minimum Variance Beamformer; 2.6 Robust Adaptive Beamforming; 2.6.1 Spatially Extended Constraints; 2.6.2 Norm-Restrained Approaches; 2.7 Summary; 3 Subband Adaptive Beamforming; 3.1 Fundamentals of Filter Banks; 3.1.1 Basic Multirate Operations; 3.1.2 Perfect Reconstruction Condition for Filter Banks; 3.1.3 Oversampled Modulated Filter Banks; 3.2 Subband Adaptive Filtering; 3.3 General Subband Adaptive Beamforming; 3.3.1 Reference Signal Based Beamformer3.3.2 Generalized Sidelobe Canceller3.3.3 Reconstruction of the Fullband Beamformer; 3.3.4 Simulations; 3.4 Subband Adaptive GSC; 3.4.1 Structure; 3.4.2 Analysis of the Computational Complexity; 3.4.3 Reconstruction of the Fullband Beamformer; 3.4.4 Simulations; 3.5 Temporally/Spatially Subband-Selective Beamforming; 3.5.1 Partially Adaptive GSC; 3.5.2 Temporally/Spatially Subband-Selective Blocking Matrix; 3.5.3 Temporally/Spatially Subband-Selective Transformation Matrix; 3.5.4 Application to Subband Adaptive GSC; 3.5.5 Extension to the General Subband Adaptive Beamforming Structure3.5.6 Simulations3.6 Frequency-Domain Adaptive Beamforming; 3.6.1 Frequency-Domain Formulation; 3.6.2 Constrained Frequency-Domain Adaptive Algorithm; 3.6.3 Frequency-Domain GSC; 3.6.4 Simulations; 3.7 Transform-Domain Adaptive Beamforming; 3.7.1 Transform-Domain GSC; 3.7.2 Subband-Selective Transform-Domain GSC; 3.7.3 Simulations; 3.8 Summary; 4 Design of Fixed Wideband Beamformers; 4.1 Iterative Optimization; 4.1.1 Traditional Methods; 4.1.2 Convex Optimization; 4.2 The Least Squares Approach; 4.2.1 Standard Formulation; 4.2.2 Constrained Least Squares; 4.3 The Eigenfilter Approach4.3.1 Standard ApproachThis book provides an excellent reference for all professionals working in the area of array signal processing and its applications in wireless communications. Wideband beamforming has advanced with the increasing bandwidth in wireless communications and the development of ultra wideband (UWB) technology. In this book, the authors address the fundamentals and most recent developments in the field of wideband beamforming. The book provides a thorough coverage of the subject including major sub-areas such as sub-band adaptive beamforming, frequency invariant beamforminWireless Communications and Mobile ComputingBeamformingAntenna radiation patternsAdaptive antennasAdaptive signal processingAdaptive filtersBroadband communication systemsBeamforming.Antenna radiation patterns.Adaptive antennas.Adaptive signal processing.Adaptive filters.Broadband communication systems.621.382/2Liu Wei1974-926084Weiss Stephan1968-926085MiAaPQMiAaPQMiAaPQBOOK9910139512703321Wideband beamforming2079193UNINA