Redline Communications Inc. AN100UA 用户手册

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页码 119
 
Red
MAX
 
Base Station
 
User Manual
 
 
 
Doc. #70-00058-01-01 
Proprietary Redline Communications © 2007 
July 13, 2007 
Page 107 of 119
 
 
8.2 Radio 
Types 
The following radio types are supported: 
Table 42: Specs - Radios with 3.5 MHz and 7 MHz Channels 
Radio Type: 
TB3436F7 TB3638F7 
Channelization: 
3.5 MHz, 7 MHz 
3.5 MHz, 7 MHz 
Operation: 
TDD, HD-FDD 
TDD 
Frequency: 
3.4 - 3.6 GHz 
3.6 - 3.8 GHz 
Tx Power: 
23 dBm 
23 dBm 
Tx Power Tolerance: 
+/- 2 dBm 
+/- 2 dBm 
Maximum Power Consumption: 
24 V, 1.5 A 
24 V, 1.5 A 
 
8.3 Receive 
Sensitivity 
The following table lists the sensitivity levels for different modulation and coding levels. 
Table 43: Specs - Base Station Receive Sensitivity 
Modulation 
Coding 
3.5 MHz 
7 MHz 
BPSK 1/2  -94 
-91 
1/2 -93 
-90 
QPSK 
3/4 -92 
-89 
1/2 -89 
-86 
16 QAM 
3/4 -86 
-83 
2/3 -82 
-79 
64 QAM 
3/4 -77 
-74 
 
8.4 Throughput 
versus 
Distance 
he following table represents the expected decrease in throughput (Kbps) associated 
Receive Sensitivity with the distance between the base station and subscriber. 
 
Table 44: Expected Throughput Decrease Over Distance (Kb/s) 
Distance  (Km) 
Channel Size 
10 
15 
20 
25 
30 
35 
40 
3.5   MHz 
0  86  86  173 173 260 260 346 
7      MHz 
86 173 260 346 346 432 518 605 
1. Line-of-sight links operating at 64 QAM 3/4 with 10 ms frame duration. Throughput decrease is 
x2 when using 5 ms frame duration. 
2. Typical deployed cell radius is <10 Km. Distances of >10 Km are quoted for backhaul.