User's Manual
Table Of Contents
- SECTION 1 General Information
- SECTION 2 InterReach Fusion Wideband System Description
- SECTION 3 Fusion Wideband Main Hub
- SECTION 4 Fusion Wideband Expansion Hub
- SECTION 5 Remote Access Unit
- SECTION 6 Designing a Fusion Wideband Solution
- SECTION 7 Installing Fusion Wideband
- 7.1 Installation Requirements
- 7.2 Safety Precautions
- 7.3 Preparing for System Installation
- 7.4 Fusion Wideband Installation Procedures
- 7.5 Splicing Fiber Optic Cable
- 7.6 Interfacing the Fusion Wideband Main Hub to an RF Source
- 7.7 Connecting Contact Alarms to a Fusion Wideband System
- 7.8 Alarm Monitoring Connectivity Options
- SECTION 8 Replacing Fusion Wideband Components
- SECTION 9 Maintenance, Troubleshooting, and Technical Assistance
- APPENDIX A Cables and Connectors
- A.1 75 Ohm CATV Cable
- A.2 Fiber Optical Cables
- A.3 Coaxial Cable
- A.4 Standard Modem Cable
- A.5 TCP/IP Cross-over Cable
- A.6 DB-9 to DB-9 Null Modem Cable
- APPENDIX B Compliance
- B.1 Fusion Wideband System Approval Status
- B.2 Human Exposure to RF
- APPENDIX C Faults, Warnings, Status Tables for Fusion, Fusion Wideband, Fusion SingleStar
- C.1 Faults Reported by Main Hubs
- C.2 Faults Reported for System CPU
- C.3 Faults for Expansion Hubs
- C.4 Faults for RAUs
- C.5 Messages for Main Hubs
- C.6 Messages for System CPUs
- C.7 Messages for Expansion Hubs
- C.8 Messages for RAUs
Link Budget Analysis
6-30 InterReach Fusion Wideband Installation, Operation, and Reference Manual
CONFIDENTIAL D-620616-0-20 Rev C
6.6.4 CDMA Link Budget Analysis for a Microcell Application
Table 6-26 CDMA Link Budget Analysis: Downlink
Line Downlink
Transmitter
a. BTS transmit power per traffic channel (dBm) 30.0
b. Voice activity factor 50%
c. Composite power (dBm) 40.0
d. Attenuation between BTS and Fusion Wideband (dB) –24
e. Power per channel into Fusion Wideband (dBm) 9.0
f. Composite power into Fusion Wideband (dBm) 16.0
g. Fusion Wideband gain (dB) 0.0
h. Antenna gain (dBi) 3.0
i. Radiated power per channel (dBm) 12.0
j. Composite radiated power (dBm) 19.0
Airlink
k. Handoff gain (dB) 0.0
l. Multipath fade margin (dB) 6.0
m. Log-normal fade margin with 9 dB std. deviation, 95% area cover-
age, 87% edge coverage
10.0
n. Additional loss (dB) 0.0
o. Body loss (dB) 3.0
p. Airlink losses (not including facility path loss) 19.0
Receiver
q. Mobile noise figure (dB) 7.0
r. Thermal noise (dBm/Hz) –174.0
s. Receiver interference density (dBm/Hz) –167.0
t. Information ratio (dB/Hz) 41.6
u. Required Eb/(N
o
+l
o
)7.0
v. Minimum received signal (dBm) –118.4
w. Maximum path loss (dB) +99.4