Combined Source-Channel Coding for the Transmission of Still Images over a Code Division Multiple Access (CDMA) Channel

被引：4
|
作者：
Iun, E. V. H. [1 ]
Khandani, A. K. [1 ]
机构：
[1] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
来源：
IEEE COMMUNICATIONS LETTERS | 1998年 / 2卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
CDMA link; channel optimized quantization; discrete cosine transform;
D O I：
10.1109/4234.681361
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter considers a combined source-channel coding scheme for image transmission over the uplink of a wireless IS-95 code division multiple access (CDMA) channel using discrete cosine transform. By adjusting the dimension of the orthogonal signaling scheme, we trade the system error-correction capability for a faster bit rate. The increase in channel error is relieved by employing a set of quantizers which are designed using a joint source-channel optimization algorithm.
引用
收藏
页码：168 / 170
页数：3
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