NYI: Coding For The Gaussian Multiple-Access Channel

NYI：高斯多址信道编码

• 批准号: 9357689
• 负责人: Bixio Rimoldi
• 金额: $ 27.5万
• 依托单位: Washington University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-07-15 至 1998-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9357689&HistoricalAwards=false
• 关键词: NYI; Coding; Gaussian; Multiple; Access

9357689 Rimoldi NYI: Information Processing Problems in Wireless Communication Networks We are approaching an era of personal communication that requires an infrastructure capable of providing untethered access to a global network from any point on (and above) the surface of the earth. Implementation of this scenario in an already congested radio frequency spectrum requires renewed efforts to understand the design of more efficient information processing and network control in wireless communication networks. We will mainly concentrate our efforts on information processing problems. One such problem is how to ensure that a number of transmitters can send information packets to a common central station in an efficient way. Solutions that have been considered for implementation so far are suboptimal. Of particular interest from both a theoretical and a practical point of view is the use of codes based on lattice structures. These structures can be used to design multiple-access codes that approach channel capacity and are well suited for being used with bursty sources with a decoder of manageable complexity. Also of interest is the use of lattice structures to achieve successively refined quantization of analog sources.

9357689 Rimoldi NYI：无线通信网络中的信息处理问题 我们正在进入一个个人通信时代，需要一个能够从地球表面（及上方）任何一点对全球网络进行不受限制的访问的基础设施。 在已经拥挤的射频频谱中实现这种方案需要重新努力理解无线通信网络中更有效的信息处理和网络控制的设计。我们将主要致力于信息处理问题。其中一个这样的问题是如何确保多个发射机能够以有效的方式向公共中心站发送信息分组。迄今为止考虑实施的解决方案都不是最优的。 从理论和实践的角度来看，特别令人感兴趣的是基于晶格结构的代码的使用。这些结构可用于设计接近信道容量的多址码，并且非常适合与具有可管理复杂性的解码器的突发源一起使用。 同样令人感兴趣的是使用晶格结构来实现模拟源的连续精细量化。