Building Complex Systems with COTS Software Defined Radios
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1 Building Complex Systems with COTS Software Defined Radios Sarah Yost Product Marketing Manager, National Instruments ni.com
2 ITU-R Vision for 5G >10 Gb/s Peak Rate embb 100X More Devices mmtc umtc, UR/LL < 1mS Latency
3 ITU-R Vision for IMT-2020 and Beyond 8 Capabilities Peak Data Rate High User Experience Data Rate Med Area Traffic Capacity Low Spectrum Efficiency Network Energy Efficiency Mobility embb umtc, UR/LL Connection Density Latency mmtc Source ITU-R M.[IMT.VISION]
4 Prototyping Key Technologies to Drive 5G Standards Massive MIMO mmwave Multi Radio Access Technologies (RAT) Wireless Networks Dramatically increases number of antenna elements on base station to enable beamforming Utilizes the potential of extremely wide bandwidths at frequency ranges once thought impractical for commercial wireless Improve bandwidth utilization through evolving PHY Level and flexible numerology Offer consistent connectivity to meet the 1000X increase in traffic demand for 5G Densification SDN NFV CRAN
5 5G Testbed Examples University of Bristol and Lund University DARPA 128-Antenna Massive MIMO Spectrum Collaboration Challenge AT&T Nokia 28 GHz Channel Sounder First mmwave Prototypes 14.5 Gbps
6 Prototyping Key Technologies to Drive 5G Standards Massive MIMO mmwave Multi Radio Access Technologies (RAT) Wireless Networks Dramatically increases number of antenna elements on base station to enable beamforming Utilizes the potential of extremely wide bandwidths at frequency ranges once thought impractical for commercial wireless Improve bandwidth utilization through evolving PHY Level and flexible numerology Offer consistent connectivity to meet the 1000X increase in traffic demand for 5G Densification SDN NFV CRAN
7 R 7976R 6674T R 7976R Channel System Host PXI Chassis Master Distribution CDA-2990 Slave CDA-2990 PCIe Switchbox... 8 USRP RIO USRPs 1-8 Slave CDA-2990 PCIe Switchbox... Slave CDA-2990 PCIe Switchbox... Slave CDA-2990 PCIe Switchbox... Slave CDA-2990 PCIe Switchbox... Slave CDA-2990 PCIe Switchbox 8 USRP RIO 8 USRP RIO 8 USRP RIO 8 USRP RIO 8 USRP RIO 8 USRP RIO 8 USRP RIO USRPs 9-16 USRPs 17- USRPs USRPs USRPs USRPs USRPs Slave CDA-2990 PCIe Switchbox... Slave CDA-2990 PCIe Switchbox... Data lines Clock (10 MHz & PPS) lines Start Trigger (return signal)
8 Massive MIMO System Diagram Remote Radio Heads
9 Massive MIMO Testbed Results Facebook announces ARIES Testbed 71 bits/second/hz 96 Antennas, 24 Users (USRP RIO, LV, Custom LV Code Base) April 2016 Bristol Smashes Record Again >146.4 bits/second/hz 128 Antennas, 22 Users (USRP RIO, LV, NI LU Code Base) May 2016
10 Massive MIMO Testbed Results Uplink constellation for up to 22 users Sum rate of 1.59 Gb/s in 20 MHz bandwidth Massive MIMO testbed setup for BT trials Full story:
11 Prototyping Key Technologies to Drive 5G Standards Massive MIMO mmwave Multi Radio Access Technologies (RAT) Wireless Networks Dramatically increases number of antenna elements on base station to enable beamforming Utilizes the potential of extremely wide bandwidths at frequency ranges once thought impractical for commercial wireless Improve bandwidth utilization through evolving PHY Level and flexible numerology Offer consistent connectivity to meet the 1000X increase in traffic demand for 5G Densification SDN NFV CRAN
12 mmwave Transceiver System Diagram 3.072GS/s 192 MS/s mmwave Receiver GHz IF IF Downconverter Analog Baseband Baseband Receiver Digital Baseband Mulit-FPGA Processing Data Different mmwave heads based on application GHz IF Analog Baseband Software selectable BW of 200MHz 2GHz for different applications Digital Baseband mmwave Transmitter IF Upconverter Baseband Transmitter Multi-FPGA Processing Data 3.072GS/s 192 MS/s
13 PXIe for Trig/Synch High-level System Architecture NR Up to 8-antenna Base Station LO/IF/BB Modules 28 GHz RF Trx 8x Phased Array Wide-beam UEs or optionally with phased arrays Several Dispersed SISO/MIMO UEs LO/IF/BB Modules 28 GHz RF Trx FPGA-based Antenna Control Variety of beam widths 8x
14 4-TRX mmwave MU-MIMO NR Base Station Host Controller Phased Array 28 GHz RF mmwave Head GHz Analog IF/LO IF/LO Module 2 GHz BW Analog BB I/Q Baseband Module Digital BB MIMO Module FEC Module MAC Module Soft symbols Uncoded bits User Data Nx10 GbE 256 elements 4 RF in/out 4 Beams Digital I/O LVDS Antenna Control
15 mmwave Testbed Results 28 GHz, 8x100 MHz OFDM, 2x2 MU-MIMO w/hybrid beamforming 2-Transceiver Base Station 2 x 64-antenna phased array 64-antenna phased arrays Horizontal polarization 28 GHz mmwave TRX Head Beamsteering Interface 28 GHz mmwave TRX Head with horn antenna UE Interface with video streaming UE0: 64-QAM 2.9 Gbps Vertical polarization Dynamic TDD with selfcontained subframe 2x2 BB/IF Chassis UE1: 16-QAM 1.8 Gbps
16 mmwave Testbed Results Timeline w/ NI Platform Frequency Bandwidth Streams Modulation Peak rate Brooklyn 5G Summit 2014 NIWeek 2015 M WC GHz 73 GHz 73 GHz 1 GHz 2 GHz 2 GHz 1x1 2x2 2x2 16 QAM 16 QAM 64 QAM 2.3 Gbps >10 Gbps >14.5 Gbps NI CONFIDENTIAL 39
17 An open competition To develop radio networks Which can thrive in the spectrum without allocations Which learn how to adapt across multiple degrees of freedom Which collaboratively optimize the total spectrum capacity, moment-tomoment
18 Colosseum is a Channel Emulator In a test environment, channel emulators replace the real-world radio channel between a radio transmitter and a receiver by providing a faded representation of a transmitted signal to the receiver inputs.
19 Colosseum is a Channel Emulator In a test environment, channel emulators replace the real-world radio channel between a radio transmitter and a receiver by providing a faded representation of a transmitted signal to the receiver inputs.
20 Colosseum Block Diagram
21 Standard Radio Node in Colosseum
22 Colosseum Hardware
23 SC2 Update Phase 1 hurdles to wrap up in December 2017 Phase 2 registration is open until January 2018 Want to learn more about joining? Check out
24 Questions
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