TL;DR
This paper introduces RDJSCC, a robust deep joint source-channel coding scheme for distributed multi-view image transmission over fading channels with imperfect CSI, utilizing novel cross-view extraction and fusion mechanisms.
Contribution
It proposes a new RDJSCC framework that effectively exploits source correlations and enhances robustness under severe fading and imperfect channel information.
Findings
RDJSCC outperforms traditional methods in severe fading conditions.
The cross-view information extraction improves pattern capturing.
Fusion mechanism enhances multi-view information integration.
Abstract
This work is concerned with robust distributed multi-view image transmission over a severe fading channel with imperfect channel state information (CSI), wherein the sources are slightly correlated. Since the signals are further distorted at the decoder, traditional distributed deep joint source-channel coding (DJSCC) suffers considerable performance degradation. To tackle this problem, we leverage the complementarity and consistency characteristics among the distributed, yet correlated sources, and propose an enhanced robust DJSCC, namely RDJSCC. In RDJSCC, we design a novel cross-view information extraction (CVIE) mechanism to capture more nuanced cross-view patterns and dependencies. In addition, a complementarity-consistency fusion (CCF) mechanism is utilized to fuse the complementarity and consistency from multi-view information in a symmetric and compact manner. Theoretical…
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