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Private Land Mobile Radio Services In-building System Design Considerations

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Women in Telecommunications

Part of the book series: Women in Engineering and Science ((WES))

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Abstract

This chapter talks about the key components in the design of a Private Land Mobile Radio Services (PLMRS) in-building system, design considerations, and equipment specifications. It also talks about the development of in-building systems from the early days of being simple wire with slotted holes scattered along the length of the wire hanged throughout the area of interest to a combinations and myriads of electronics components including amplifiers, splitters, combiners, coaxial cables, radiating cables, fiber optic cables and RF to fiber (fiber to RF) converters. The reader will have a better understanding of the basic concept of in-building systems and the factors to consider in designing such a system. This chapter do not include commercial systems such as cellular carriers and providers.

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Notes

  1. 1.

    FCC 47 CFR, Part 90

Abbreviations

AHJ:

Authority Having Jurisdiction

BDA:

Bidirectional Amplifier

CFR:

Code of Federal Regulations

CO:

Certificate of Occupancy

DAQ:

Delivered Audio Quality

DAS:

Distributed Antenna System

dB:

Decibel

dBc:

Decibel Relative to Carrier Power

dBm:

Decibel Referred to One Milliwatt

DL:

Downlink

EMI:

Electromagnetic Interference

F1:

Frequency 1

F2:

Frequency 2

FCC:

Federal Communications Commission

FO:

Fiber Optic

LMR:

Land Mobile Radio

NFPA:

National Fire Protection Agency

PIM:

Passive Intermodulation

PLMRS:

Private Land Mobile Radio Service

RF:

Radio Frequency

RFI:

Radio Frequency Interference

RX:

Receive

TDI:

Time Delay Interference

TIA:

Telecommunications Industry Association

TSB:

Telecommunications Service Bulletin

UHF:

Ultra High Frequency

UL:

Uplink

VHF:

Very High Frequency

VSWR:

Voltage Standing Wave Ratio

References

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Author information

Authors and Affiliations

  1. Jacobs, Walnut Ave., Clark, NJ, USA

    Asuncion (Beng) Connell

Authors
  1. Asuncion (Beng) Connell
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Editor information

Editors and Affiliations

  1. University of Pisa, Pisa, Pisa, Italy

    Maria Sabrina Greco

  2. University of L’Aquila, L’Aquila, Italy

    Dajana Cassioli

  3. University of Sannio, Benevento, Italy

    Silvia Liberata Ullo

  4. Freehold, NJ, USA

    Margaret J. Lyons

Appendix

Appendix

A page for appendix with title 47. It lists use of signal boosters, definitions, authority to operate, and P L M R S licenses.
A continuation page for appendix with title 47. It has statements for license responsibility, deployment rules, and device specifications.
A continuation page for appendix with title 47. It has statements for device specifications. One of the statements reads, the noise figure of a signal booster must not exceed 9 decibels in either direction. There is a warning that states, this is not a consumer device.

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Connell, A.(. (2023). Private Land Mobile Radio Services In-building System Design Considerations. In: Greco, M.S., Cassioli, D., Ullo, S.L., Lyons, M.J. (eds) Women in Telecommunications. Women in Engineering and Science. Springer, Cham. https://doi.org/10.1007/978-3-031-21975-7_12

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  • DOI: https://doi.org/10.1007/978-3-031-21975-7_12

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-21974-0

  • Online ISBN: 978-3-031-21975-7

  • eBook Packages: EngineeringEngineering (R0)

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