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DATE
2007
IEEE
114views Hardware» more  DATE 2007»
16 years 1 months ago
Fast positive-real balanced truncation of symmetric systems using cross Riccati equations
We present a computationally efficient implementation of positive-real balanced truncation (PRBT) for symmetric multiple-input multiple-output (MIMO) systems. The solution of a p...
Ngai Wong
GLOBECOM
2007
IEEE
16 years 1 months ago
Downlink MIMO Block Diagonalization in the Presence of Other-Cell Interference
— Block diagonalization is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple interference free data streams to differe...
Seijoon Shim, Jin Sam Kwak, Robert W. Heath Jr., J...
ICC
2007
IEEE
136views Communications» more  ICC 2007»
16 years 1 months ago
Sphere Decoder for a MIMO Multi-User MC-CDMA Uplink in Time-Varying Channels
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
Charlotte Dumard, Thomas Zemen
ICC
2007
IEEE
16 years 29 days ago
Soft Estimation of Time-Varying Frequency Selective Channels Using Kalman Smoothing
— This paper addresses soft estimation of time-varying frequency selective channels using Kalman smoothing. The proposed estimator uses soft extrinsic information provided by a c...
Valery Ramon, Cédric Herzet, Xavier Wautele...
ICC
2007
IEEE
125views Communications» more  ICC 2007»
16 years 29 days ago
On Bit Error Robustness of Trellis Source Codes
— Trellis codes based on linear congruential recursions have recently been introduced as powerful source codes. For a modest computational complexity they offer excellent rate di...
Tomas Eriksson, Norbert Goertz