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SIAMNUM
2011
102views more  SIAMNUM 2011»
12 years 11 months ago
Differential Equations for Roaming Pseudospectra: Paths to Extremal Points and Boundary Tracking
Abstract. When studying the ε-pseudospectrum of a matrix, one is often interested in computing the extremal points having maximum real part or modulus. This is a crucial step, for...
Nicola Guglielmi, Christian Lubich
TWC
2008
126views more  TWC 2008»
13 years 8 months ago
Coherent and Differential ICI Cancellation for Mobile OFDM with Application to DVB-H
We develop a reduced-complexity hybrid frequency/time-domain orthogonal frequency division multiplexing (OFDM) channel estimation algorithm for high-mobility scenarios where the ch...
Sili Lu, Naofal Al-Dhahir
GLOBECOM
2007
IEEE
14 years 2 months ago
Four Group Decodable Differential Scaled Unitary Linear Space-Time Codes
— Differential Unitary Space-Time Block codes (STBCs) offer a means to communicate on the Multiple Input Multiple Output (MIMO) channel without the need for channel knowledge at ...
G. Susinder Rajan, B. Sundar Rajan
CORR
2007
Springer
155views Education» more  CORR 2007»
13 years 8 months ago
Algebraic Distributed Differential Space-Time Codes with Low Decoding Complexity
—The differential encoding/decoding setup introduced by Kiran et al, Oggier-Hassibi and Jing-Jafarkhani for wireless relay networks that use codebooks consisting of unitary matri...
G. Susinder Rajan, B. Sundar Rajan
VTC
2007
IEEE
14 years 2 months ago
Differentially Coherent Code Acquisition in the Multiple Transmit/Receive Antenna Assisted Multi-Carrier DS-CDMA Downlink
— We examine both differentially coherent and non-coherent code acquisition schemes designed for the multiple transmit/receive antenna assisted Multi-Carrier (MC)-DS-CDMA downlin...
Seung Hwan Won, Lajos Hanzo