User's Manual
Table Of Contents
- SECTION 1 General Information
- SECTION 2 InterReach Fusion System Description
- SECTION 3 Fusion Main Hub
- SECTION 4 Fusion Expansion Hub
- SECTION 5 Remote Access Unit
- SECTION 6 Designing a Fusion Solution
- 6.1 Overview
- 6.2 Downlink RSSI Design Goal
- 6.3 Maximum Output Power per Carrier
- 6.3.2 700 MHz (Upper C)
- 6.4 System Gain
- 6.5 Estimating RF Coverage
- 6.6 Link Budget Analysis
- 6.6.1 Elements of a Link Budget for Narrowband Standards
- 6.7 Optical Power Budget
- 6.8 Connecting a Main Hub to a Base Station
- 6.8.1 Uplink Attenuation
- 6.8.2 RAU Attenuation and ALC
- SECTION 7 Installing Fusion
- 7.1 Installation Requirements
- 7.1.2 Cable and Connector Requirements
- 7.1.3 Distance Requirements
- 7.2 Safety Precautions
- 7.2.1 Installation Guidelines
- 7.2.2 General Safety Precautions
- 7.2.3 Fiber Port Safety Precautions
- 7.3 Preparing for System Installation
- 7.3.1 Pre-Installation Inspection
- 7.3.2 Installation Checklist
- 7.3.3 Tools and Materials Required
- 7.3.4 Optional Accessories
- 7.4 Fusion Installation Procedures
- 7.4.1 Installing a Fusion Main Hub
- 7.4.3 Installing RAUs
- 7.4.4 Configuring the System
- 7.5 Splicing Fiber Optic Cable
- 7.6 Interfacing the Fusion Main Hub to an RF Source
- 7.6.1 Connecting a Single Fusion Main Hub to an RF Source
- 7.7 Connecting Contact Alarms to a Fusion System
- 7.8 Alarm Monitoring Connectivity Options
- 7.8.1 Direct Connection
- 7.8.5 Ethernet RF Modem
- SECTION 8 Replacing Fusion Components
- SECTION 9 Maintenance, Troubleshooting, and Technical Assistance
- APPENDIX A Cables and Connectors
- APPENDIX B Compliance
- APPENDIX C Faults, Warnings, Status Tables for Fusion, Fusion Wideband, Fusion SingleStar
Link Budget Analysis
6-36 InterReach Fusion Installation, Operation, and Reference Manual
CONFIDENTIAL D-620610-0-20 Rev F
Table 6-28 CDMA Link Budget Analysis: Uplink
Line Uplink
Receiver
a. BTS noise figure (dB) 3.0
b. Attenuation between BTS and Fusion (dB) –30.0
c. Fusion gain (dB) 0.0
d. Fusion noise figure (dB) 22.0
e. System noise figure (dB) 33.3
f. Thermal noise (dBm/Hz) –174.0
g. Noise rise 75% loading (dB) 6.0
h. Receiver interference density (dBm/Hz) –134.6
i. Information rate (dB/Hz) 41.6
j. Required Eb/(N
o
+l
o
)5.0
k. Handoff gain (dB) 0.0
l. Antenna gain (dBi) 3.0
m. Minimum received signal (dBm) –91.1
Airlink
n. Multipath fade margin (dB) 6.0
o. Log-normal fade margin with 9 dB std. deviation, 95% area cover-
age, 87% edge coverage
10.0
p. Additional loss (dB) 0.0
q. Body loss (dB) 3.0
r. Airlink losses (not including facility path loss) 19.0
Transmitter
s. Mobile transmit power (dBm) 28.0
t. Maximum path loss (dB) 100.1