DSP for Embedded and Real-Time Systems

Chapter 5

FPGA in Wireless Communications Applications

Kiarash Amiri¹, Melissa Duarte¹, Joe Cavallaro¹, Chris Dick², Raghu Rao² and Ashutosh Sabharwal¹

¹Rice University, ECE Dept., Houston, TX,

²Xilinx Inc., San Jose, CA

Chapter Outline

Introduction

Spatial multiplexing MIMO systems

Flex-Sphere detector

Tree Traversal for Flex-Sphere detection

Modified real-valued decomposition (M-RVD) ordering

FPGA design of the configurable detector for SDR handsets

PED computations

Configurable design

Modified real-valued decomposition (M-RVD)

Timing analysis

Xilinx FPGA implementation results for M_T=3

Xilinx FPGA implementation results for M_T=4

Simulation ...