A Practical Approach Multi-User Channels with Unknown Fading
具有未知衰落的实用多用户信道方法
基本信息
- 批准号:0801128
- 负责人:
- 金额:$ 30万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-05-01 至 2010-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Integrative, Hybrid and Complex SystemsOliver Collins, University of Notre DamePractical Approach Multi-User Channels with Unknown FadingThe objective of this research is to develop practical and useful communication schemes and receivers for channels with fading characteristics that are unknown to the transmitters and receivers. The fundamental approach pursued is iterative estimation and interference cancellation. Specifically, the research seeks to develop simplified receivers and estimators so that the techniques can be applied to real systemsIntellectual Merit: This work considers practical schemes for achieving capacity approaching performance limits for multi-user channels with unknown fading. Essentially all channels in the physical world have unknown fading. However, because of analytical difficulties, most work assumes side information about the fading is available at the receivers and/or transmitters. Thus, the existing body of knowledge does not accurately account for the potential dramatic reduction in capacity produced by the fading process when it is unknown. This research attempts to address this deficiency.Broader Impacts: The broader impacts of the project include the construction of higher-capacity wireless communications systems at a much lower cost, and with the ability to provide service to a far larger area, than present cellular voice and data networks. The research, thus, has the potential to facilitate mobile and/or rural wideband services, increase access to emergency services, and improve scientific data collection. The research also establishes connections between theory and practice that is essential for attracting new students into engineering. The project aids in creating and expanding a pipeline for U.S. students to enter advanced engineering education.
Oliver柯林斯,University of Notre Dame多用户衰落信道的实用方法本研究的目的是为具有未知衰落特性的信道开发实用和有用的通信方案和接收机。 所追求的基本方法是迭代估计和干扰消除。 具体而言,这项研究旨在开发简化的接收机和估计器,使技术可以应用到真实的systemsIntellectual Merit:这项工作认为,实现容量接近性能极限的多用户信道与未知衰落的实际计划。 实际上,物理世界中的所有信道都有未知的衰落。 然而,由于分析的困难,大多数工作假设边信息的衰落是可用的接收机和/或发射机。 因此,现有的知识体系不能准确地解释衰落过程在未知时产生的容量的潜在急剧降低。 更广泛的影响:该项目的更广泛的影响包括以低得多的成本建设更高容量的无线通信系统,并有能力为更大的区域提供服务,比目前的蜂窝语音和数据网络。 因此,这项研究有可能促进移动的和/或农村宽带服务,增加获得紧急服务的机会,并改善科学数据收集。 该研究还建立了理论与实践之间的联系,这对于吸引新生进入工程领域至关重要。 该项目有助于创建和扩大美国学生进入高级工程教育的管道。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Oliver Collins其他文献
Oliver Collins的其他文献
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{{ truncateString('Oliver Collins', 18)}}的其他基金
SBIR Phase I: Improved Sigma Delta Modulators for Radio Frequencies
SBIR 第一阶段:改进的射频 Sigma Delta 调制器
- 批准号:
1046446 - 财政年份:2011
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
Signal Processing for Digital Analog Interface
数字模拟接口的信号处理
- 批准号:
0830054 - 财政年份:2008
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
MRI: Acquisition of High Speed Mixed Signal Test Equipment
MRI:购置高速混合信号测试设备
- 批准号:
0215753 - 财政年份:2002
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
An Investigaton of the Interaction Between Codes and Decoding Machines
编码与解码机交互作用的研究
- 批准号:
9415685 - 财政年份:1995
- 资助金额:
$ 30万 - 项目类别:
Continuing Grant
An Investigaton of the Interaction Between Codes and Decoding Machines
编码与解码机交互作用的研究
- 批准号:
9696064 - 财政年份:1995
- 资助金额:
$ 30万 - 项目类别:
Continuing Grant
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