Cooperative Source and Channel Coding

协作源和通道编码

基本信息

  • 批准号:
    0430885
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-09-01 至 2008-08-31
  • 项目状态:
    已结题

项目摘要

Cooperative Source and Channel CodingCurrent and next generations of wireless devices and services are substantially different than the original cellular phones which could only carry voice signals. Third/fourth generation cellular and wireless local area networks are designed to support data services, image and video communications as well as voice. Multimedia signals require higher data rates and larger bandwidths than their voice counterparts. This necessitates a more efficient use of already scarce radio resources. Furthermore, guaranteeing a desired level of signal quality for image and video, measured in terms of overall distortion, is especially difficult given that the wireless channel is unreliable and most efficient compression algorithms involve error propagation.In order to provide robust wireless multimedia communications, this research uses cooperative communication techniques along with jointly optimized source compression and channel coding strategies. Cooperation of wireless terminals is achieved by overhearing other terminal's signals and retransmitting towards the desired destination. This provides signal diversity and enables robust source-to-destination routes which can adapt to changes in the wireless environment. In order to establish the theory and practice of cooperative source and channel coding, the research plan consists of three interrelated components: Information theory of source channel cooperation; design of cooperative source and channel coding techniques with numerical/simulation studies to jointly optimize the parameters; and application of these techniques to wireless video transmission.
协作信源和信道编码当前和下一代的无线设备和服务与只能携带语音信号的原始蜂窝电话有很大的不同。第三代/第四代蜂窝和无线局域网旨在支持数据服务、图像和视频通信以及语音。与语音信号相比,多媒体信号需要更高的数据速率和更大的带宽。这就需要更有效地利用本已稀缺的无线电资源。此外,在无线信道不可靠且最有效的压缩算法涉及错误传播的情况下,从总体失真的角度来衡量图像和视频的所需信号质量尤其困难。为了提供稳健的无线多媒体通信,本研究使用协作通信技术以及联合优化的信源压缩和信道编码策略。无线终端的协作是通过监听其他终端的信号并向期望的目的地重发来实现的。这提供了信号分集,并实现了可适应无线环境变化的强大的源到目的地路由。为了建立协作信源和信道编码的理论和实践,研究计划由三个相互关联的部分组成:信源信道协作的信息理论;协作信源和信道编码技术的设计和数值/仿真研究,以共同优化参数;以及这些技术在无线视频传输中的应用。

项目成果

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Elza Erkip其他文献

Feature Compression for Rate Constrained Object Detection on the Edge
用于边缘速率受限对象检测的特征压缩

Elza Erkip的其他文献

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{{ truncateString('Elza Erkip', 18)}}的其他基金

CIF: Small: An Information Theoretic Framework for Web Privacy
CIF:小型:网络隐私的信息理论框架
  • 批准号:
    1815821
  • 财政年份:
    2018
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
NeTS: Small: Collaborative Research: Caching and Coding for Media Delivery in Next Generation Wireless Networks
NeTS:小型:协作研究:下一代无线网络中媒体传输的缓存和编码
  • 批准号:
    1619129
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
CIF: Student Travel Support for the 2013 IEEE International Symposium on Information Theory
CIF:2013 年 IEEE 国际信息论研讨会的学生旅行支持
  • 批准号:
    1341809
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
NeTS: Medium: Collaborative Research: Unlocking Capacity for Wireless Access Networks through Robust Cooperative Cross-Layer Design
NetS:媒介:协作研究:通过稳健的协作跨层设计释放无线接入网络的容量
  • 批准号:
    0905446
  • 财政年份:
    2009
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Joint Source and Channel Coding for Wireless Networks
无线网络的联合源和信道编码
  • 批准号:
    0635177
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
MRI: Acquisition of an Experimental Platform for Wireless Multimedia Networking
MRI:获取无线多媒体网络实验平台
  • 批准号:
    0722868
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
CRI: IAD Cooperative Networking Testbed
CRI:IAD 协作网络测试平台
  • 批准号:
    0708989
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
CAREER: Multiple Transmit Elements for High Speed Robust Wireless Local Area Networks
职业:高速稳健无线局域网的多个传输元件
  • 批准号:
    0093163
  • 财政年份:
    2001
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant

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数学之源书(Source book in mathematics)的翻译与出版
  • 批准号:
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