Cited by 200IoT and Edge/Fog ComputingAdvanced Neural Network ApplicationsAdvanced Data Compression Techniques

BottleNet++: An End-to-End Approach for Feature Compression in Device-Edge Co-Inference Systems

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Shao, Jiawei, Zhang, Jun·2020·2020 IEEE International Conference on Communications Workshops (ICC Workshops)

Abstract

The emergence of various intelligent mobile applications demands the deployment of powerful deep learning models at resource-constrained mobile devices. The device-edge co-inference framework provides a promising solution by splitting a neural network at a mobile device and an edge computing server. In order to balance the on-device computation and the communication overhead, the splitting point needs to be carefully picked, while the intermediate feature needs to be compressed before transmission. Existing studies decoupled the design of model splitting, feature compression, and communication, which may lead to excessive resource consumption of the mobile device. In this paper, we introduce an end-to-end architecture, named BottleNet++, that consists of an encoder, a non-trainable channel layer, and a decoder for more efficient feature compression and transmission. The encoder and decoder essentially implement joint source-channel coding via lightweight convolutional neural networks (CNNs), while explicitly considering the effect of channel noise. By exploiting the strong sparsity and the fault-tolerant property of the intermediate feature in deep neural network (DNNs), BottleNet++ achieves a much higher compression ratio than existing methods. Compared with merely transmitting intermediate data without feature compression, BottleNet++ achieves up to 64× bandwidth reduction over the additive white Gaussian noise channel and up to 256× bit compression ratio in the binary erasure channel, with less than 2% reduction in accuracy of classification.

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  • In vertical edge inference, end-to-end training with joint source-channel coding reduces both communication overhead and on-device computation cost.

    “It was first tested in vertical edge inference via end-to-end training with joint source-channel coding in [233], which helps to reduce both the communication overhead and on-device computation cost.”

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Authors
Shao, J., & Zhang, J.
Affiliations
Hong Kong Polytechnic University (HK)
Venue
2020 IEEE International Conference on Communications Workshops (ICC Workshops)
Publisher
IEEE
Published
2020-06
Pages
1-6
ISSN
2164-7038 (ISSN-L)
OpenAlex
W2982333655
Cited by
200
References
25
Citations by year
2026: 17 · 2025: 37 · 2024: 43 · 2023: 33 · 2022: 27 · 2021: 33 · 2020: 10
FWCI
21.60
Type
conference paper
Language
en
Open access
Locations
  • IEEE International Conference on Communications workshops (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Data Compression Techniques
Keywords
feature compression, joint source-channel coding, model splitting, end-to-end architecture, encoder-decoder architecture, channel noise, bandwidth reduction, resource-constrained mobile devices, lightweight convolutional neural network, binary erasure channel, AWGN channel

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