Design of OFDM transmitter and its FPGA implementation

Zhou Yu1; Shao Kai1; Jiang Li1; Zhuang Ling1; Wang Guangyu1

doi:10.13756/j.gtxyj.2013.01.004

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Design of OFDM transmitter and its FPGA implementation

- Design of OFDM transmitter and its FPGA implementation
- Study on Optical communication Issue 1, Pages: 42-45(2013)
- 作者机构：
  
  1. 重庆邮电大学通信与信息工程学院
  2. 移动通信技术重庆市重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2013.01.004
  CLC： TN791;TN919.3
- Published：2013，
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[1]周瑜,邵凯,蒋漓,庄陵,王光宇.OFDM发射机设计与FPGA实现[J].光通信研究,2013(01):42-45.

Zhou Yu1, Shao Kai1, Jiang Li1, et al. Design of OFDM transmitter and its FPGA implementation. [J]. (1):42-45(2013)
[1]周瑜,邵凯,蒋漓,庄陵,王光宇.OFDM发射机设计与FPGA实现[J].光通信研究,2013(01):42-45. DOI： 10.13756/j.gtxyj.2013.01.004.

Zhou Yu1, Shao Kai1, Jiang Li1, et al. Design of OFDM transmitter and its FPGA implementation. [J]. (1):42-45(2013) DOI： 10.13756/j.gtxyj.2013.01.004.

摘要

为使OFDM（正交频分复用）技术在宽带无线通信中得到实际运用

提出了基于IEEE 802.11a协议的OFDM发射机的设计方案及关键技术的实现方法。在设计中采用自顶向下的设计思想

通过数字锁相环、乒乓RAM（随机存储器）等方式提高系统运行的可靠性。并利用Altera公司的Cyclone IV E系列FPGA（现场可编程门阵列）器件的特点和灵活的IP Core（知识产权核）功能

实现了OFDM发射机的设计。在Modelsim环境下的仿真结果证明了该设计的有效性

且占用的资源少。

Abstract

For the practical applications of the OFDM technology in broadband wireless communications

an OFDM transmitter design scheme based on IEEE 802.11a protocol and the implementation of its key technologies are proposed.In the design

the top-down design idea is adopted and by using the digital Phase Locked Loop（PLL） and ping-pong RAM

the system operational reliability is improved.Finally

by using the characteristics of Altera Cyclone IV E series FPGA devices and flexible IP Core functions

the transmitter OFDM design is implemented.Simulation results in the Modelsim environment indicate that this design is effective and occupies less resource.

关键词

正交频分复用数字锁相环知识产权核

Keywords

OFDMPLLIP Core

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