Constellation®
January 2006
7-16 Performance
Curves
Figure 7-13:
Typical BER vs. C/N and C/I (Constellation 155)
–10
-2
—
-
-
-
-
–10
-3
—
-
-
-
-
–10
-4
—
-
-
-
-
–10
-5
—
-
-
-
-
–10
-6
—
-
-
-
-
•
–10
-7
—
-
-
-
-
–10
-8
—
-
-
-
-
–10
-9
—
-
-
-
-
–10
-10
—
-
-
-
-
–10
-11
—
-
-
-
-
–10
-12
—
— - - - - — - - - - — - - - - — - - - - — - - - - — - - - - — - - - - —
BER
(OUTAGE)
5.5 dB FEC
Coding Gain
(STATIC)
21 dB
23 dB
29.5 dB
24 dB
BER vs. C/N and C/I*
128 QAM with Coherent Detection,
without Forward Error Correction
Constellation128 QAM with
Coherent Detection and Powerful
FEC (TCM Inner Code and
Reed-Solomon Outer Code)
*Like Co-Channel Interference
**At Top-of-Rack
5
10
15
20
25 30 35 40
C/N or C/I* Ratio, dB
-80 -75 -70 -65 -60
RSL**, dBm
–10
-2
—
-
-
-
-
–10
-3
—
-
-
-
-
–10
-4
—
-
-
-
-
–10
-5
—
-
-
-
-
–10
-6
—
-
-
-
-
•
–10
-7
—
-
-
-
-
–10
-8
—
-
-
-
-
–10
-9
—
-
-
-
-
–10
-10
—
-
-
-
-
–10
-11
—
-
-
-
-
–10
-12
—
— - - - - — - - - - — - - - - — - - - - — - - - - — - - - - — - - - - —
BER
(OUTAGE)
5.5 dB FEC
Coding Gain
(STATIC)
21 dB
23 dB
29.5 dB
24 dB
BER vs. C/N and C/I*
128 QAM with Coherent Detection,
without Forward Error Correction
Constellation128 QAM with
Coherent Detection and Powerful
FEC (TCM Inner Code and
Reed-Solomon Outer Code)
*Like Co-Channel Interference
**At Top-of-Rack
–10
-2
—
-
-
-
-
–10
-3
—
-
-
-
-
–10
-4
—
-
-
-
-
–10
-5
—
-
-
-
-
–10
-6
—
-
-
-
-
•
–10
-7
—
-
-
-
-
–10
-8
—
-
-
-
-
–10
-9
—
-
-
-
-
–10
-10
—
-
-
-
-
–10
-11
—
-
-
-
-
–10
-12
—
— - - - - — - - - - — - - - - — - - - - — - - - - — - - - - — - - - - —
BER
(OUTAGE)
5.5 dB FEC
Coding Gain
(STATIC)
21 dB
23 dB
29.5 dB
24 dB
BER vs. C/N and C/I*
128 QAM with Coherent Detection,
without Forward Error Correction
Constellation128 QAM with
Coherent Detection and Powerful
FEC (TCM Inner Code and
Reed-Solomon Outer Code)
*Like Co-Channel Interference
**At Top-of-Rack
5
10
15
20
25 30 35 40
C/N or C/I* Ratio, dB
-80 -75 -70 -65 -60
RSL**, dBm
Summary of Contents for Constellation
Page 1: ...Microwave Digital Radios Constellation Systems Application P N SAI 112874 E09...
Page 2: ......
Page 3: ...CONSTELLATION MICROWAVE RADIO SYSTEM APPLICATION MANUAL PART NO SAI 112874 E09 JANUARY 2006...
Page 4: ...Constellation January 2006...
Page 18: ...Constellation January 2006 xii Preface...
Page 20: ...Constellation January 2006 xiv Preface...
Page 24: ...Constellation January 2006 1 4 General Information...
Page 92: ...Constellation January 2006 6 10 Antenna Coupling Unit ACU...
Page 110: ...Constellation January 2006 7 18 Performance Curves...
Page 124: ...Constellation January 2006 Index 6...
Page 125: ......
Page 126: ...6 0LFURZDYH RPPXQLFDWLRQV LYLVLRQ DYLV ULYH 0RUULVYLOOH 1 86 ZZZ KDUULV FRP 86 DQDGD RUOGZLGH...