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SENSOR-BASED WIRELESS COMMUNICATION SYSTEMS USING COMPRESSED SENSING WITH SPARSE DATA

机译:压缩数据与稀疏数据的基于传感器的无线通信系统

摘要

Methods, devices and systems for sensor-based wireless communication systems using compressive sampling are provided. L User Equipments (mobile stations) transmit signals with sparsity S and their signals are compressively sensed to M samples by Z remote samplers (a distributed antenna arrangement) and the uplink channel is estimated by a central processor (the "central brain"). For a given system signal to noise ratio, retained samples M and sparsity S, we approximate the loss in sum mutual information due to imperfect knowledge of the channel. The approximation is premised on a lower bound of the mutual information which accounts for the power in the channel estimation error. Also, throughput results are given for adaptively adjusting the sparsity of multiple users' transmit signals based on channel fading.
机译:提供了用于使用压缩采样的基于传感器的无线通信系统的方法,设备和系统。 L个用户设备(移动台)发送稀疏度为S的信号,并通过Z个远程采样器(分布式天线装置)将其信号压缩感知为M个采样,并且由中央处理器(“中央大脑”)估计上行链路信道。对于给定的系统信噪比,保留的样本M和稀疏度S,由于信道知识不完善,我们近似估算了相互信息的和。近似以互信息的下限为前提,互信息的下限考虑了信道估计误差中的功率。而且,给出了吞吐量结果,用于基于信道衰落来自适应地调整多个用户的发射信号的稀疏性。

著录项

  • 公开/公告号CA2787059A1

    专利类型

  • 公开/公告日2011-07-14

    原文格式PDF

  • 申请/专利权人 RESEARCH IN MOTION LIMITED;

    申请/专利号CA20112787059

  • 发明设计人 NGUYEN NAM;SEXTON THOMAS A.;

    申请日2011-01-11

  • 分类号H03M7/30;

  • 国家 CA

  • 入库时间 2022-08-21 18:01:44

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