[[TOC(Other/Summer/2022/Spectrum/*, depth=1, heading=Distributed Spectrum Monitoring and Channel Sounding)]]

= Distributed Spectrum Monitoring and Channel Sounding =
**WINLAB Summer Internship 2022**

**Group Members:**
Khyati Dinesh Patel, Mingkun Sun

== Project Objective ==

Several objectives:

* Using nodes in COSMOS/ORBIT testbed to transmit and receive reference signals
* Collect data from the transmission process with the portable SDRs
* Use both traditional and AI/ML analysis for channel characterization (including occupancy) 

Reading material:
* https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8699852/
* https://www.sciencedirect.com/science/article/pii/S2090447921002914
* https://www.intechopen.com/chapters/60277
* https://www.hindawi.com/journals/wcmc/2018/5906097/

Planned to meet weekly at 12pm on Tuesday and 2pm on Thursday

== Week 1 Activities ==
* Get familiar with ORBIT
* Research on software defined radio (SDR)
[https://docs.google.com/presentation/d/18y-KR-26cWC_B4IMgejSuFHgU7Zztm02BahSOzAQ2PY/edit?usp=sharing]
== Week 2 Activities ==
* Ran basic experiments on ORBIT testbed
* Studied more about SDRs and Channel Monitoring 
* Learnt basics of Ubuntu
[https://docs.google.com/presentation/d/1tDdCJUifqPcJJajYK1ccHp0i87-eYpBleqFTrgJkD18/edit?usp=sharing]
== Week 3 Activities ==
* Researched about different Sandboxes in ORBIT
* Perform more experiments with SDRs
* Studied about different hardwares in ORBIT
== Week 4 Activities ==
* In USRP capture the waveforms and plot it
* In sandbox, used 1 node as transmitter and other as receiver and observed the transmission process
https://docs.google.com/presentation/d/11WDXBo10gaFouT32hfnMzyCzT90fwSIj/edit#slide=id.p1
== Week 5 Activities ==
* Used 2 transmitter and 2 receiver to send data across each other and plot the wavefroms
* Conducted specturm sensing using USRP2
https://docs.google.com/presentation/d/12CcwJCVAbB3vUg_9BMBOVxZOoqdefTIzyPtlPQfCr9k/edit#slide=id.g13ab0d2f38f_0_281
== Week 6 Activities ==
* Tried resolving the FPGA and GNU errors 
* Looked into different technical papers for ML approach used for spectrum sensing
https://docs.google.com/presentation/d/10xLD871rF6XXtcBfv_XguKsUf9dgnpza/edit#slide=id.p1
== Week 7 Activities ==
* Successfully conducted experiment using GNU radio and tried plotting the spectrum using GNU companion
* Conducted specturm sensing using USRP X310 and WISERD
https://docs.google.com/presentation/d/1WlkUhwVz73NCovsCMCzIw6b4Fosd_VYB-8a2jqyUp-w/edit#slide=id.g13c41a826af_1_9
== Week 8 Activities ==
* Successfully collected sample data from the spectrum sensing experiment using WISERD
* Still trying to resolve the errors faced using GNU companion 
* Looked into a few ML algorithms and try to finalize one by this weekend
https://docs.google.com/presentation/d/1AEIx2tchC1lOFhQuu2zSoqQT1V7Q42isjk1y8M2kvaQ/edit#slide=id.p
== Week 9 Activities ==
* Successfully gets GNU Radio Companion and x310 running, and conducted experiment on the x310 using the GNU Radio Companion
* Update the Wiki here (https://orbit-lab.org/wiki/Tutorials/k0SDR/Tutorial00b#WorkingwithUSRPX310) to make sure that everyone can do the experiment smoothly without encountering the issues we experienced.
https://docs.google.com/presentation/d/1JS6kaIY3hgHIf33IRl9jE--OlvWGGqq_/edit#slide=id.p
== Week 10 Activities ==
* Successfully collected specturm data for ML algorithm
* Where not able to finalize any ML apporach due the limited amount of time
https://docs.google.com/presentation/d/1W4VujXd68ZmtFQQkcLKW6ofZUsXk3aSHKAEQefggeRw/edit#slide=id.g14215576aea_0_401