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Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication

机译：基于LTE的超窄带IoT（VNB-IoT）通信的低功耗物理层设计

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摘要

With the new age Internet of Things (IoT) revolution, there is a need to connect a wide range of devices with varying throughput and performance requirements. In this thesis, a wireless system is proposed which is targeted towards very low power, delay insensitive IoT applications with low throughput requirements. The low cost receivers for such devices will have very low complexity, consume very less power and hence will run for several years.;Long Term Evolution (LTE) is a standard developed and administered by 3rd Generation Partnership Project (3GPP) for high speed wireless communications for mobile devices. As a part of Release 13, another standard called narrowband IoT (NB-IoT) was introduced by 3GPP to serve the needs of IoT applications with low throughput requirements. Working along similar lines, this thesis proposes yet another LTE based solution called very narrowband IoT (VNB-IoT), which further reduces the complexity and power consumption of the user equipment (UE) while maintaining the base station (BS) architecture as defined in NB-IoT.;In the downlink operation, the transmitter of the proposed system uses the NB-IoT resource block with each subcarrier modulated with data symbols intended for a different user. On the receiver side, each UE locks to a particular subcarrier frequency instead of the entire resource block and operates as a single carrier receiver. On the uplink, the system uses a single-tone transmission as specified in the NB-IoT standard.;Performance of the proposed system is analyzed in an additive white Gaussian noise (AWGN) channel followed by an analysis of the inter carrier interference (ICI). Relationship between the overall filter bandwidth and ICI is established towards the end.
机译：随着新时代的物联网（IoT）革命，需要连接各种具有不同吞吐量和性能要求的设备。在本文中，提出了一种无线系统，该系统针对具有低吞吐量要求的低功耗，对延迟不敏感的物联网应用。用于此类设备的低成本接收器将具有非常低的复杂度，消耗的功率将非常少，因此将运行数年。长期演进（LTE）是第三代合作伙伴计划（3GPP）为高速无线网络开发和管理的标准移动设备的通信。作为版本13的一部分，3GPP引入了另一种称为窄带物联网（NB-IoT）的标准，以满足吞吐量要求较低的物联网应用的需求。按照类似的思路，本文提出了又一个基于LTE的解决方案，称为超窄​​带物联网（VNB-IoT），该解决方案进一步降低了用户设备（UE）的复杂性和功耗，同时保持了基站（BS）架构中的定义。在下行链路操作中，建议系统的发射机使用NB-IoT资源块，每个子载波都调制有用于不同用户的数据符号。在接收机侧，每个UE锁定到特定的子载波频率，而不是整个资源块，并作为单个载波接收机运行。在上行链路上，系统使用NB-IoT标准中规定的单音传输;在加性高斯白噪声（AWGN）信道中分析建议系统的性能，然后分析载波间干扰（ICI） ）。最终将建立总滤波器带宽与ICI之间的关系。

著录项

  • 作者

    Sharma, Prashant.;

  • 作者单位

    Arizona State University.;

  • 授予单位 Arizona State University.;
  • 学科 Electrical engineering.
  • 学位 M.S.
  • 年度 2017
  • 页码 55 p.
  • 总页数 55
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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