Optimal and suboptimal channel precoding and decoding matrices for linear video coding

作者：

Highlights：

• Presents an optimal channel precoding and decoding matrix design technique for SoftCast-based linear video coding schemes.

• Considers channels with per-subchannel transmission power constraints.

• Provides reduced-complexity suboptimal design methods with limited performance loss.

• Analyzes the impact of mismatched channel conditions.

摘要

•Presents an optimal channel precoding and decoding matrix design technique for SoftCast-based linear video coding schemes.•Considers channels with per-subchannel transmission power constraints.•Provides reduced-complexity suboptimal design methods with limited performance loss.•Analyzes the impact of mismatched channel conditions.

论文关键词：joint source-channel coding,SoftCast,Per-subchannel power constraints,Power allocation,Multicast

论文评审过程：Received 13 December 2018, Revised 7 May 2019, Accepted 24 June 2019, Available online 2 July 2019, Version of Record 3 July 2019.

论文官网地址：https://doi.org/10.1016/j.image.2019.06.011