Powder Wireless And Network InfrastructurePowder infrastructure subgroups

1st Annual POWDER-RENEW Users Workshop

May 24th, 2018

1st Annual POWDER-RENEW Users WorkshopPowder Wireless And Network Infrastructure May 24th, 2018 1 / 21

Overview

Powder Infrastructure Goals

High Flexibility: Enable many use cases.

High Fidelity: Think in terms of building an instrument.

High Accessibility: Provide excellent coverage.

Three infrastructure areas

RF / RadioWired NetworkingCompute

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RF and Radio

RF and Radio

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RF and Radio

Enabling Broad Use Cases: RF

SDR-driven wireless resources

Time Domain Duplexing (TDD)

Frequency Domain Duplexing (FDD)

Full Duplex Communication

(Massive) MIMO

Distributed MIMO (CoMP)

Spectrum sharing

Polarization work

Antenna research

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RF and Radio

Building an Instrument: RF

Clean RF Front-End

Low noise figure

High isolation

GPS-disciplined clock sources

Ongoing calibration

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 5 / 21

RF and Radio

RF Front-End Diagram

Radio Equipment (in enclosure)

VVSSP-360S-F

OutsideEquipment

Iris

USRPN310

Cellular

USRPX310

5GHz

USRPX310 Broadband

0.7 - 6GHz

Uplink

3.5GHz

USRPN310

Powder Base Station RF Front-end

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Switch

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Amplifiers&

Filtering

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TX

RX

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 6 / 21

RF and Radio

RF Chain Detail

RadioX - Y GHz

Uplink

Single RF Chain Detail

TX

RX(2x10GbpsEthernet)

PA

LNADuplexer

CTRL

TDDSwitch

FDDSwitch

Duplexer

Full DuplexCanceller

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 7 / 21

RF and Radio

Providing Coverage: RF

Rooftop Base Stations (18)

Continuous / overlapping wireless coverageSimulated coverage, empirical verification

Endpoints (88)

Fixed (10): good reproducibility and calibrationShuttles (40): predictable mobility (routes)Fleet vehicles (20): uncontrolled mobility“Backpacks” (10): precise placement and controlDense base stations (8): V2I, V2V, DSRC

Sensors (70)

Standalone deployment & co-located with other stationsFocus on IoT (LoRa, Sigfox, LTE-M)Environmental sensors

Campus (year 1), corridor (year 2), and downtown (year 3)

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RF and Radio

Powder Coverage Map

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 9 / 21

RF and Radio

RF Coverage Heat Map

1/4 Watt, 120◦11dBi sector antennas, 3.5GHz

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 10 / 21

RF and Radio

RF Coverage - Geology - Measured

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Wired Networking

Wired Networking

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Wired Networking

Enabling Broad Use Cases: Network

Core-Edge Design

High bandwidth uplinks @ 100Gbps

Low latency switching (< 500ns)

Provisioned with PTP and Synchronous Ethernet

User-driven topologies

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Wired Networking

Building an Instrument: Network

Dedicated (dark) fiber

Reserved bandwidth per experiment

Isolated broadcast domains (VLANs)

Separate control and experimental data networks

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 14 / 21

Wired Networking

Providing Coverage: Network

High Bandwidth, Core to Radio

All sites to all sites (via aggregation points) and clusters

100Gbps site uplinks, 10Gbps radio links

flexible device associations

Support for streaming multiple 100MHz raw (IQ) channels per site

Full support for multiple Massive MIMO hubs streamingsimultaneously

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 15 / 21

Wired Networking

Logical Network Diagram

Geology

Beh.Science

Hospital

StudentVillage

Bioeng

Stadium

Honors

Eng

FortData Center

Ambsdr

102Tower

Kearns

SaltPalace

SLCEng

BPTower

Orpheum

270Main

DowntownData Center

BryantSchool SLRMC

2 x 100G

100G

100G

10GmmWave

Corridor

Downtown

Campus

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Compute

Compute

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Compute

Enabling Broad Use Cases / Providing Coverage: Compute

Compute From Edge To Core

Edge compute (< 6µs RTT, with most < 2µs RTT)

Near-edge compute at aggregation points (< 15µs RTT)

“Metro” clusters for Cloud RAN, NFV, data analysis (< 30µs RTT)

Specialized compute: GPGPU and/or FPGA

1st POWDER-RENEW Workshop RF, Network, and Compute Design May 24th, 2018 18 / 21

Compute

Building an Instrument: Compute

Dedicated Hardware

Bare metal

Clean OS loads

Out-of-band access (console, power control)

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Bring Your Own Device

Bring Your Own Device

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Bring Your Own Device

Bring Your Own Device (BYOD)

All types of equipment: antennas, radios, network devices, compute

Co-locate at base stations or endpoints

Power (circuits) and remote power control

Out-of-band management connectivity (USB, Ethernet)

In-band data plane connectivity: Include in topologies you specify

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