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Broadband 101 maximizing customer experience
The document provides an overview of maximizing customer experience in wireless networks, detailing the operations of MVTV Wireless and PCS Technologies, both of which utilize advanced wireless technologies. It discusses various frequency propagation factors, including TV white space, the CBRS band plan, and millimeter wave technologies, highlighting their implications for providing reliable wireless coverage. Additionally, it emphasizes the importance of deployment strategies and addressing environmental factors that affect wireless performance.
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Broadband 101 maximizing customer experience
- 1. Broadband 101 Wireless Networks- Maximizing Customer Experience Tim Johnson Operations Manager, MVTV Wireless Granite Falls, MN General Manager, PCS Technologies Saint Paul, MN
- 2. Maximizing Customer Experience •MVTV Wireless – Granite Falls, MN • Wireless ISP operating in Southwest MN • ~6600 Customers • Incorporated 1960 • UHF Low Power Television • Non-profit cooperative model • Approximately 25,000 square miles of wireless coverage • 20 +Years of Fixed Wireless
- 3. Maximizing Customer Experience •PCS Technologies – St. Paul, MN • Wireless Integrator – • Engineering & Design • Construction & Installation • Network Integration & Configuration • Began operations 1996 • 20 +Years of Fixed Wireless
- 4. Advanced Wireless Technologies • LowLatency • Low Jitter • Multi-Band Capabilities • Automatic Antenna Mode – MIMO or Diversity • Dynamic Channel Bandwidth Allocation • Full Span of Asymmetric Traffic • TDD Synchronization • End-to-End QoS • CIR and MIR / SLA • Simple to Deploy • Smart Beam Forming Antenna
- 5. Frequencies and Technologies •Be frequency agnostic: Whatever is available.
- 6. Making Sense ofCoverage – RF Propagation Frequency and technology – Generalizations • Lower frequency = better propagation. • Higher frequency = shorter distance • Larger channel size = more throughput • Higher density modulation = better efficiency • Higher noise = poorer performance We are not alone…
- 7. What is TVWhite Space? Unused TV-band channels 228 MHz (UHF in US) W X Y X W A B C W U T V Ch 14 Ch Ch 16 17 Ch Ch Ch Ch 48 49 50 51 470 MHz TVWS TVWS TVWS Unused Unused Unused Abundant UnlicensedSub-GHz 698 MHz
- 8. Brunswick Site –TVWS Coverage Prediction Base station antenna height 100ft, Fixed Outdoor CPE @ 15ft avg.
- 9. What is theCBRS Band Plan? 3500MHz -3700MHz The CBRS band uses a unique three-tiered architecture. The FCC defines which users have priority in each circumstance, and how to ensure that lower-priority users appropriately yield to higher-priority users.
- 10. SAS (Spectrum AccessSystem) - CBRS Cloud service which ensures protection of higher-priority users by controlling the operating parameters of lower- priority devices (e.g. channel, transmit power).
- 11. Brunswick Site: CBRS3.5GHz LTE Coverage Prediction Base station antenna height 180ft, Fixed Outdoor CPE @ 15ft avg.
- 12. What are 5GHzUNII Band Plans? Unlicensed National Information Infrastructure (U-NII) Bands
- 13. Brunswick Site: 5GHzCoverage Prediction Base station antenna height 180ft, Fixed Outdoor CPE @ 15ft avg.
- 14. What is MillimeterWave? V-Band - 60GHz • 14 GHz • 56 Gigabit channels • Unlicensed E-Band - 70/80GHz • 10 GHz • 20 Gigabit channels • Lightly licensed
- 15. Millimeter Wave AvailabilityFactors – Attenuation due to rain • Excellent long-term statistics available, e.g., ERA40: ECMWF’s database based on 45 years of rain data (1957- 2002) – Oxygen absorption (V-band only) – Interference – Multipath due to surface reflection • Attenuation (flat fading) • Distortion (selective fading) • Depolarization – Fading due to beam spreading – Diffraction due to obstructions – Fog – Dust – Snow Difficulttopredict Easytopredict Factors that count Factors that don’t count
- 16. GTTH Deployment Scenariousing mmwave technology
- 17. What is 5G(NR) ? NR is equivalent to how the mobile communications industry has used LTE to describe 4G technology or UMTS to describe 3G technology.
- 20.