Visible Light LocalizationUsing Incumbent Light Fixtures

Introduction Architecture

Jialiang Zhang, Xinyu Zhang, Pushkar Kulkarni, Parmesh Ramanathan University of Wisconsin-Madison

A 60 GHz Software Radio Platform With a Reconfigurable Phased-Array Antenna

Jialiang Zhang, Xinyu Zhang, Pushkar Kulkarni, Parmesh Ramanathanhttp://xyzhang.ece.wisc.edu/wimi

A programmable radio for implementing/testing 60 GHz wireless communication algorithms

A programmable 60 GHz radar for wireless sensing applications

Key Features:

1 GHz sampling rate, ready for Gbps communication

Programmable phased-array, with electronically steerable beams

CNS-1506657

Programming model

Intra-module parallelization: high-level synthesis (HLS)Inter-module connection: AXI

802.11ad-like Gbps physical layer Real-time channel state information for wireless sensing applications

Software Framework:

Reference Design:

Functionalities:

Where to get it?

http://xyzhang.ece.wisc.edu/wimi

Open-source hardware and software:

TX AXI Data Path 2

TX AXI Data Path N

MUX

FromPCI-E128bit@250MHz

ADDER

PCI-ERegisterSpace

ToI DAC116bit@1GHz

ToQ DAC16bit@1GHz

CROSSBAR

AXIModule

AXI DATAPATHN

AXI DATAPATH2MUX

FromI ADC116bit@1GHz

FromQ ADC16bit@1GHz

ToPCI-E128bit@250MHz

AXIModule

AXIModule

AXIModule

AXIModule

AXIModule

AXI-Lite Connection AXI-Stream Connection

Matlab/CApplication

KernelDriver

AXIJ E SD204BBridge

PCIEDMAEngine

Microblaze processor

DSPBlock

RX

DAC

AntennaController

ADC

TXPhasedArray

Antenna

Linux Host KCU105 FPGA Board FMCDAQ2

PEM-003

PCI‐eGen3x8

JESD204B

Basebandsignals RF

Codebook

CSIControl

UserAPI

AXI AXI

Tree structure phased-array

RFSplitter

RFSplitter

RFSplitter

AntCh1AntCh2

AntCh3

AntCh4

RFInput

ControlInput4bits