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Wireless Networks for 4G/5G

Wireless Networks for 4G/5G. Instructors: Sumit Roy and Tom Henderson TA: Collin Brady UW EE P 569/ EE 595 B. Course Objectives. Introduce selected topics in 5G-oriented wireless systems Fundamentals of modern wireless networks Technical and industry trends towards 5G

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Wireless Networks for 4G/5G

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  1. Wireless Networks for 4G/5G Instructors: Sumit Roy and Tom Henderson TA: Collin Brady UW EE P 569/ EE 595 B

  2. Course Objectives Introduce selected topics in 5G-oriented wireless systems Fundamentals of modern wireless networks Technical and industry trends towards 5G Conduct performance evaluation studies of wireless network models Mixture of mathematical analysis and network simulations Students will use the ns-3 network simulator for projects

  3. Course Assessments Seven homework assignments (60% of grade) Three will be based on hand-worked problems Four will be based on ns-3 network simulator Class project on a wireless network performance evaluation topic (40%) Project will be based on using or extending ns-3 Project outlines due by week 4 Presentations during March 14 class time

  4. Office Hours and Help Typically, the last lecture hour each week (9PM-10PM) will be devoted to hands-on help and ns-3 guidance Questions not handled in class will be handled via email Office hours TBD Contact information for Tom Henderson Chat: https://ns-3.zulipchat.com Email: tomhend@uw.edu

  5. 5G, 10G, WiFi 6 The next phase of wireless deployment is underway Source: TechCrunch, Jan 10, 2019 Source: CNN, Dec. 3, 2018

  6. 5G motivation Placeholder slide for video from Carlos Cordeiro, Intel https://www.youtube.com/watch?v=KAVu5rbbCaM

  7. Course Outline Week 1 (Jan 10): Course Overview and Introduction to ns-3 Review outline Performance Evaluation of Wireless Networks ns-3 tutorial Experiment 0 (ns-3): Simple Wireless experiment Week 2 (Jan 17): Physical Layer (PHY) Wireless Propagation Models Link Budgets and Signal to Noise Ratio (SNR) Review of Basic Detection Theory Packet Error Rates (PERs) Principles of Monte Carlo Simulation How the PHY is modelled in computer simulations Homework 1 assignment on PHY

  8. Course Outline Week 3 (Jan 24): Medium Access (MAC) Cellular Systems Engineering Basic MAC (FDMA, TDMA/CSMA) Throughput/Capacity Queueing Models Experiment 1 (ns-3): Link Error Models, Queueing, Multiple Access Week 4 (Jan 31): Wireless LAN PHY 802.11 WLAN Background OFDM basics MIMO, Beam-forming MU-MIMO, Spatial Multiplexing Homework 2; plus ns-3 Project Outline due

  9. Course Outline Week 5 (Feb 7): Wireless LANs Distributed Coordination Function (DCF), CSMA/CA Review BSS and Associations RTS/CTS, Hidden and Exposed Node Enhanced Distributed Channel Access (EDCA) and QoS Rate control HT MAC throughput enhancements (aggregation and block ack) Experiment 2 (ns-3): Wi-Fi DCF Week 6 (Feb 14): LTE Radio Access Network (RAN) OFDMA and SC-FDMA uplink (UL) and downlink (DL) transmission modes Data and control plane Hybrid ARQ, RLC Bearers and MAC Scheduler Homework 3 on LTE

  10. Course Outline Week 7 (Feb 21): LTE Systems Network architecture: EPC and interfaces Cell search and connection establishment Carrier aggregation Backhaul Mobility management Network planning End-to-end data (TCP and QUIC) over LTE Experiment 3 (ns-3): TCP over wireless

  11. Course Outline Week 8 (Feb 28): Next-generation Wi-Fi MU-MIMO in DL and UL MU-OFDMA Scheduling dimensions Spatial reuse Power efficiency WiGig topics Week 9 (March 7): Evolution to 5G Cellular 5G New Radio Coexistence/Spectrum Sharing – LTE Unlicensed, LTE-WiFi Sharing Federal/Non-Federal Sharing mmWave LTE-based public safety networks

  12. Course Outline Week 10 (Mar 14): Wrap-up Continue 5G introduction as needed Project summaries presented in class

  13. Prerequisites Basic concepts of Probability and Stochastic Systems Bernoulli trials, the Normal distribution and other distributions, confidence intervals Undergraduate level Computer Networks Layered network architecture, TCP/IP and packet switched systems, multiple access Undergraduate level Digital Communications basics of Digital Detection, Error Analysis Basic C++ programming at the Unix command line Ability to process and plot raw data files

  14. Outline for remainder of today Walk-through of a real performance study Drawn from IEEE 802.11ax TGax simulation methodology Introduce ns-3 and the initial ns-3 homework exercise

  15. References to IEEE simulation documents 11/14-0571r12 11/14-0980r16

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