MIL-STD-188-110B 16Tone

General Information

MIL-STD-188-110B-16Tone is a parallel mode which uses 16 subcarrier tones in the audio frequency band with differential phase shift keying (DPSK) modulation for bit synchronous data transmission. The modulation rate of the modulator output is constant for all data rates. The system supports data rates of 75 to 2400 bps.

Usage:

§ Data communication over HF between departments and agencies of the MOD.

Mode Details

 

Item

Value

Standard

Modulation

DPSK

 

Number of tones

16

 

Bandwidth (Hz)

2500

 

Symbol rate (Bd)

75

 

Data rate (bit/s)

75 … 2400

Demodulator Settings

Demodulator

MDPSK 2,4,8,16 A/B

 

Symbol rate (Bd)

75

 

SR tolerance (Bd)

1

 

Modulation order

4

 

Version

B

 

No. of channels

16

 

Channel position type

Channel distance

 

Channel distance (Hz)

110

 

Min. burst length (s)

0.100

 

Max. burst length (s)

1.000

 

Min. pause length (s)

0.100

 

Min. burst SNR (dB)

0

Features

Demodulation

yes

 

Recognition

yes

 

Decoding

yes

 

Automatic Polarity Adjustment

no

 

Combination with other modems (modem list)

yes

Tuning

The tuning frequency is the center of the signal’s frequency range

Table 13: MIL-STD-188-110B 16Tone

Figure 15: MIL-STD-188-110B 16Tone Spectrogram

Modem Version History

Release

Date

History

2.1.0

2013-07-31

Modem added