Multiuser resource allocation for video transmission over a chip‐interleaved multicarrier system Academic Article uri icon

abstract

  • We propose a 4G system for transmission of video from a server at the base station to numerous wireless clients. We employ the latest technology in scalable video compression (3-D wavelet video coding) and in channel coding (punctured turbo codes); for the physical layer, we resort to the multicarrier chip-interleaved system with two-layer interleaving, which achieves high spectral efficiency and is very suitable for downlink applications. We develop fast algorithms for a cross-layer resource allocation that minimize the expected distortion of the reconstructed video averaged over all clients. The algorithms find a near-optimal power, bandwidth, and subcarrier allocation at the physical layer and a source-channel symbol allocation at the application layer. Our experimental results demonstrate that such a cross-layer optimization framework leads to higher quality performance of the overall system. Copyright © 2007 John Wiley & Sons, Ltd.

author list (cited authors)

  • Yang, K., Stanković, V., Xiong, Z., & Wang, X.

citation count

  • 0

complete list of authors

  • Yang, Kai||Stanković, Vladimir||Xiong, Zixiang||Wang, Xiaodong

publication date

  • February 2007

publisher