MIMO LAYERED SPACE-TIME SYSTEM WITH VIRTUAL RECEIVE ANTENNAS

具有虚拟接收天线的 MIMO 分层时空系统

• 批准号: EP/D037425/1
• 负责人: Daniel So
• 金额: $ 16.08万
• 依托单位: University of Manchester
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2006
• 资助国家: 英国
• 起止时间: 2006 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FD037425%2F1
• 关键词: MIMO; LAYERED; SPACE; TIME; SYSTEM

Wireless communication technology is becoming a daily necessity for the general public. With the explosive growth of internet usage and multimedia services, the demand for higher data rate wireless communication systems is soaring. However, conventional single antenna systems are reaching the limit and cannot satisfy this need. By using multiple transmit and receive antennas, MIMO Layered Space-Time (LST) systems exploit the additional spatial resource and can reach far beyond the limit of single antenna system. This technology, however, requires the number of receive antennas at least as many as the number of transmit antennas. Being limited in size at the mobile unit, such a requirement cannot be met easily and hinders the maturity of this promising technology. This project aims at reducing this stringent requirement by exploring the novel idea of virtual receive antennas. The signals from these virtual antennas are created by using some signal processing techniques on the actual received signals. The result of this research will allow feasible implementation and wider dissemination of the MIMO LST technology. This idea will be thoroughly investigated for different channel environments. The receiver architecture will be developed and its performance will be obtained by computer simulation. Preliminary study on practical implementation will also be conducted to allow further exploitation of this new idea in the future.

无线通信技术正在成为普通大众的日常生活必需品。随着互联网使用和多媒体服务的爆炸式增长，对更高数据速率无线通信系统的需求正在飙升。然而，传统的单天线系统已达到极限，无法满足这一需求。通过使用多个发射和接收天线，MIMO 分层空时 (LST) 系统可利用额外的空间资源，并且可以远远超出单天线系统的限制。然而，该技术要求接收天线的数量至少与发射天线的数量一样多。由于移动单元的尺寸有限，这种要求不容易满足，并且阻碍了这项有前途的技术的成熟。该项目旨在通过探索虚拟接收天线的新颖理念来降低这一严格要求。来自这些虚拟天线的信号是通过对实际接收的信号使用一些信号处理技术来创建的。这项研究的结果将使 MIMO LST 技术的实施和更广泛的传播成为可能。这个想法将针对不同的渠道环境进行彻底的研究。将开发接收器架构并通过计算机模拟获得其性能。还将对实际实施进行初步研究，以便将来进一步利用这一新想法。