Wireless and In-Building Coverage
Designing, installing and testing wireless coverage inside buildings, followed through Cobalt Line Systems' Austin crew on a warehouse, an office floor, a condo garage and a hospital wing: RF basics, decibels and link budgets, antennas and indoor propagation, Wi-Fi channels and site surveys, design for capacity and roaming, cellular DAS, emergency responder radio coverage with BDAs, DAS installation, grid testing and records, and a hospital wing project with all three systems.
LVT-320 12 lessons · 3 h 59 min ▶ Video lessons coming soon
Offered by HSM University · Low Voltage Systems
This is the American version of this course. See the Canadian version.
What you'll learn
- Identify the wireless systems in a building, who owns their spectrum, who must approve them, and how an in-building wireless project runs
- Relate frequency, wavelength and power, and explain how frequency, modulation and EIRP affect indoor coverage
- Use decibels, dBm and dBi to work link budgets, free-space path loss, noise floor, SNR and fade margin
- Choose and mount antennas from their patterns and polarization, and allow for multipath, MIMO and building materials
- Explain the Wi-Fi generations and the 2.4, 5 and 6 GHz bands, and build and check a channel plan with DFS and PSC rules
- Plan and walk predictive, passive, active and access-point-on-a-stick surveys and report heatmaps against requirements
- Design Wi-Fi for capacity and roaming by counting devices, sizing access points, controlling overlap and verifying roams
- Describe cellular coverage, DAS signal sources, passive, active and hybrid DAS, small cells, boosters and carrier approval
- Apply public safety coverage requirements in Canada and the United States, including critical areas, DAQ, BDA classes, isolation, power and supervision
- Install DAS head-ends, fiber and remotes, coax, passive components, antennas and radiating cable, with grounding, survivability and RF safety
- Carry out and document Wi-Fi validation, carrier tests, public safety grid tests and annual tests, and troubleshoot failed results
- Optimize, test, correct and hand over the wireless systems of a hospital wing with complete documentation
Course content
12 lessons · 3 h 59 min total · final exam
- 1 Wireless in buildings 21 min · quiz
- 2 RF fundamentals: frequency, wavelength and power 19 min · quiz
- 3 dB, dBm, gain and link budgets 19 min · quiz
- 4 Antennas and propagation indoors 19 min · quiz
- 5 Wi-Fi standards and channels (2.4, 5 and 6 GHz) 18 min · quiz
- 6 Wi-Fi site surveys: predictive, passive and active 20 min · quiz
- 7 Wi-Fi design for capacity and roaming 20 min · quiz
- 8 Cellular coverage and distributed antenna systems 20 min · quiz
- 9 Public safety radio coverage (ERRCS and BDAs) 20 min · quiz
- 10 Installing DAS: coax, fiber and remotes 21 min · quiz
- 11 Testing and documenting coverage 19 min · quiz
- 12 Capstone: a hospital wing coverage project 23 min · quiz
- E Final exam 20 questions
Requirements
Recommended background. You can start any course at any time.
Description
Designing, installing and testing wireless coverage inside buildings, followed through Cobalt Line Systems' Austin crew on a warehouse, an office floor, a condo garage and a hospital wing: RF basics, decibels and link budgets, antennas and indoor propagation, Wi-Fi channels and site surveys, design for capacity and roaming, cellular DAS, emergency responder radio coverage with BDAs, DAS installation, grid testing and records, and a hospital wing project with all three systems.