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Multiple Description Coding for Wireless Channels with Multiple Antennas
 

Summary: Multiple Description Coding for Wireless Channels
with Multiple Antennas
Nuray At and Yucel Altunbasak
School of Electrical and Computer Engineering,
Georgia Institute of Technology, Atlanta, GA 30332-0250
E-mail: gt7555c@prism.gatech.edu, yucel@ece.gatech.edu
Abstract--Multiple description coding (MDC) provides error resilience
by producing several descriptions of the source so that various quality re-
constructions can be obtained from any subset of the descriptions. The use
of correlating transforms within the MDC framework has been studied for
"on-off" channels, such as packet-switched channels. Since this channel
model is not appropriate for wireless systems, we introduce fading channel
models, such as Rayleigh, Rician, or Nakagami channel, within the context
of MDC. We further discuss the optimal correlating transforms.
Keywords--Multiple description coding, source and space diversity, joint
source-channel coding, and multiple antenna wireless systems.
I. INTRODUCTION

HE demand for higher bandwidth and lower error rates in
wireless communication systems is ever-increasing. Un-

  

Source: Altunbasak, Yucel - School of Electrical and Computer Engineering, Georgia Institute of Technology

 

Collections: Engineering