List of terms, Band, Carrier RF | Nortel Networks 411-2021-111

xi

List of terms

A-Band

The lower 333 channels (Channel 1 - 333) of the cellular band, normally assigned to a non-wireline operator in the US and Canada.

The Expanded Spectrum provides 83 more channels, 50 (Channel 667 - 716) in the A’-Band and 33 (channel 991 - 1023) in the A"-Band.

ACU

Alarm Control Unit. A unit that provides discrete alarm monitoring, reporting and control functions at the cell site. It concentrates all alarm input points at the cell site and updates the MTX of any status change over redundant data links.

AMPS

Advanced Mobile Phone Service. Analog cellular phone service.

ATC

AutoTune Combiner. A cavity/isolator combiner featuring an automatic tuning system which monitors the transmitted RF and automatically tunes itself to that frequency.

B-Band

The upper 333 channels (Channel 334 - 666) of the cellular band, normally assigned to a wireline operator in the US and Canada.

The Expanded Spectrum provides 83 more channels (Channel 717 - 799) in the B’-Band.

BER

Bit Error Rate. The ratio of error bits to the total number of transmitted bits. It is a measurement of quality of the digital connection.

Carrier (RF)

An unmodulated radio signal. Normally, it is a pure sine wave of steady frequency, amplitude, and phase.

CCH

Control Channel, sometimes referred to as the Signaling Channel which is always in use to enable call setup and registration.

DMS-MTX DualMode Metrocell Cell Site Description

Image 11

Nortel Networks 411-2021-111 manual List of terms, Band, Carrier RF

Contents

DualMode Metrocell Page Page June Publication history Contents Appendices Power and Grounding RequirementsCell Site Components Datafilling a Metro Cell Site List of tables Block diagram of a 120 Stsr Metrocell using one RF FramePage Intended audience for this publication About this document Applicability of this publication How this publication is organized Carrier RF List of termsBand Duplexer CellDBm DBW Loss FilterForward path Isolation Return loss ModulationOmni Dqpsk Sectorization Signal RFSector Stsr Northern Telecoms DualMode Metrocell Introduction Digital ready cellular product System architecture of a DualMode Metrocell Metro RF Frame Basic components of a DualMode Metrocell Universal CE Frame Channel assignment Band a 416 channels Band B 416 channels 800 MHz cellular bandChannel assignment for 800 MHz cellular systems Introduction 6Introduction Standard 01.01 June Overview Cell Site ConfigurationsOmni configuration Omni N=7 frequency reuse plan Sectorized configuration 120 N=7 sectorized frequency reuse plan 60 N=4 sectorized frequency reuse plan Cell Site Layouts Omni cell site configuration RF Frame Control Channel redundancy Cell Site Layouts 4Cell Site Layouts TRU/DPA Transmit cabling 6Cell Site Layouts Frames TRUs ATCs Receive cablingComponent requirement No. Stsr cell site configuration CE Frame RF Frame Block diagram of a 120 Stsr Metrocell using one RF Frame Block diagram of a 120 Stsr Metrocell using three RF Frames 12Cell Site Layouts DPA 9 Port1 CCH ATC3 Port DPA 10 Port1 14Cell Site Layouts TRU/DPA ATC 16Cell Site Layouts Sector Sector Z Sector Y Sector Y TX/RX, 3 RX Sector W Stsr cell site connectionControl Channel Locate Channel Receiver Sector Sector U 22Cell Site Layouts Block diagram of a 60 Stsr Metrocell with two RF Frames 24Cell Site Layouts Block diagram of a 60 Stsr Metrocell with four RF Frames 26Cell Site Layouts Transmit cabling 28Cell Site Layouts TRU/DPA 30Cell Site Layouts Port2 ATC3 Port DPA Port1 RF Frame 32Cell Site Layouts Receive cabling 34Cell Site Layouts Sector Y 36Cell Site Layouts Component requirement 38Cell Site Layouts Standard 01.01 June Major components of a DualMode Metrocell Description Cell Site Components NTAX98AA FRU Customer Service Operations 4Cell Site Components Standard 01.01 June Safety requirements Power and Grounding Requirements Power and grounding requirements Power and Grounding Requirements 4Power and Grounding Requirements Power distribution for the CE and RF Frames in a Metrocell Frame power distribution Grounding UL/CSA approval System power protection CEC par DC coupled signals Cable Identification 10Power and Grounding Requirements Standard 01.01 June Datafill Overview Datafilling a Metro Cell Site Table Acualm Table Clli Cavities Fan Pwr Alarm PointsMetro RF Frame ATC Hsmo +27V a Port # Rip Connector J206Table VCHINV, CCHINV, Lcrinv Example of Metro TRU datafill Frequency Assignment Example Icrm Example of Metro ICRM/TRU hardwire configuration 8Datafilling a Metro Cell Site Standard 01.01 June Radio Frequency Appendix a DualMode Metrocell Cell Site SpecificationsSystem Configuration Audio Interface Alarms Mechanical DC Power RequirementsPower Distribution Requirements Environmental Packaging Telecom Compliance Regulatory Electromagnetic EmissionsRadiated Emissions Product Safety =7 Frequency plan Band a Appendix B Frequency Plans =7 Frequency plan Band B =4 Frequency plan Band B =4 Frequency plan Band a 10Frequency Plans Standard 01.01 June Page Cell Site Description