final project introduction -...
TRANSCRIPT
![Page 1: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/1.jpg)
Final Project IntroductionNTU communication lab
Spring 17
2017/5/9 Final Project Introduction 1
![Page 2: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/2.jpg)
Directions for Final Project
Single USRP:Audio streaming systemVideo streaming systemZigBee(900 MHz) Receiver implementation
Two USRPs:MIMO-STBCMIMO-OFDMSpectrum sensing systemDistributed communication systemMultiple access communicationGesture recognition
2017/5/9 Final Project Introduction 2
![Page 3: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/3.jpg)
Audio Streaming
Challenges:Convert analog audio data to
digital audio data
Real-time transmission
Resources:LabVIEW real time module
LabVIEW built-in audio player (wav. only)
2017/5/9 Final Project Introduction 3
![Page 4: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/4.jpg)
Video Streaming
Challenges:Real-time transmission
Smoothness of display quality
Resources:LabVIEW Vision development(.avi)
LabVIEW Vision acquisition(USB camera)
2017/5/9 Final Project Introduction 4
![Page 5: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/5.jpg)
ZigBee(900 MHz) Receiver Implementation
Challenges:Receive signals from commercial
communication devices (ZigBee)
Building receiver from scratch
Resources:A pair of ZigBee commercial
devices
802.15.4 standard document
XBee device softwareSource: https://www.digi.com/
2017/5/9 Final Project Introduction 5
![Page 6: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/6.jpg)
MIMO-STBC
Challenges:Space-time block codes
among multiple antennas
MIMO transmission
Resources:NI-MIMO cable
Template of LabVIEW MIMO script
2017/5/9 Final Project Introduction 6
![Page 7: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/7.jpg)
MIMO-OFDM
Challenges:Space-time codes among
multiple antennas
OFDM subcarriers across antennas
Resources:NI-MIMO cable
Template of LabVIEW MIMO script
[1] Jim Zyren, “Overview of the 3GPP Long Term Evolution Physical Layer,” 3GPPEVOLUTIONWP, 2007
2017/5/9 Final Project Introduction 7
![Page 8: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/8.jpg)
Spectrum Sensing
Challenges:Sense the spectrum occupancy
Spectrum sensing accuracy
Resources:Cognitive Radio research
Cognitive Radio Techniques on NI USRP
[1] https://chandrahaststy.github.io/Cogintive-Radio/#ss[2] https://www.slideshare.net/AnupamYadav15/cognitive-radio-spectrum-sensing-1586-ppt
2017/5/9 Final Project Introduction 8
![Page 9: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/9.jpg)
Distributed System
Challenges:Clock recovery and carrier
frequency offset correction
Construct reliable wireless communication
Resources:[1] Digital communications:
a discrete-time approach
GNUradio Doxygen
2017/5/9 Final Project Introduction 9
![Page 10: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/10.jpg)
Multiple Access Communication
Challenges:Implementation of schemes
such as: TDMA, FDMA, CDMA.
Handshaking protocols implementation
Resources:LabVIEW Synchronization
modules
MIMO cable
2017/5/9 Final Project Introduction 10
![Page 11: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/11.jpg)
Gesture Recognition
Challenges:Tracking Doppler shift and
multipath distortion
Differentiate movements from received signals
Resources:WiSee
MIMO cable
1. Qifan Pu, Sidhant Gupta, Shyamnath Gollakota, and Shwetak Patel. 2013. Whole-home gesture recognition using wireless signals.
2017/5/9 Final Project Introduction 11
![Page 12: Final Project Introduction - 國立臺灣大學homepage.ntu.edu.tw/~ihwang/Teaching/Sp17/Handout/FinalTopics.pdf · MIMO-OFDM Spectrum sensing system ... // 2017/5/9 Final Project](https://reader033.vdocuments.pub/reader033/viewer/2022042600/5b0710ee7f8b9a5c308dd037/html5/thumbnails/12.jpg)
Other references
Shyamnath Gollakota, Samuel David Perli, and Dina Katabi. 2009. Interference alignment and cancellation. SIGCOMM Comput. Commun. Rev. 39, 4 (August 2009), 159-170.
Shyamnath Gollakota and Dina Katabi. 2008. Zigzag decoding: combating hidden terminals in wireless networks. SIGCOMM Comput. Commun. Rev. 38, 4 (August 2008), 159-170.
Qifan Pu, Sidhant Gupta, Shyamnath Gollakota, and Shwetak Patel. 2013. Whole-home gesture recognition using wireless signals. In Proceedings of the 19th annual international conference on Mobile computing & networking (MobiCom '13). ACM, New York, NY, USA, 27-38.
Massey JW, Starr J, Lee S, Lee D, Gerstlauer A, Heath RW. Implementation of a real-time wireless interference alignment network. In Conference Record -Asilomar Conference on Signals, Systems and Computers. 2012. p. 104-108. 6488968.
2017/5/9 Final Project Introduction 12