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Space Link Extension - Service Management - CCSDS

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DRAFT RECOMMENDED STANDARD FOR SPACE LINK EXTENSION SERVICE MANAGEMENT<br />

Table 5-15: RafProd Data Set<br />

Parameter Name<br />

tlmRandomization<br />

Parameter Definition/Description<br />

Specifies whether the Pseudo-Randomizer<br />

(see section 7 of reference [5]) will be<br />

applied to the data received in the symbol<br />

stream. The values are:<br />

– ‘tlmRandomizationUsed’,<br />

indicating that randomization will be<br />

applied;<br />

– ‘tlmRandomizationNotUsed’,<br />

indicating that randomization will not<br />

be applied.<br />

Applicable <strong>Service</strong><br />

Data<br />

Type Units<br />

Agreement<br />

Parameter<br />

Enum n/a tlmRandomizationOptions<br />

Table 5-16: FecfOnly Data Set<br />

Parameter Name<br />

rFrameLength<br />

Parameter Definition/Description<br />

The length of the frames on the symbol<br />

stream to be processed. The length of the<br />

Attached Sync Marker is not included in this<br />

value.<br />

NOTE – The minimum value of 7 octets is<br />

derived from the minimum<br />

Transfer Frame Primary Header<br />

length of 6 octets plus 1 octet of<br />

Transfer Frame Data Field<br />

content (references [3] and [6]).<br />

The maximum value of 2048<br />

octets is specified in<br />

reference [5].<br />

Data<br />

Type<br />

Positive<br />

Integer<br />

[7..2048])<br />

Units<br />

Octets<br />

Applicable <strong>Service</strong><br />

Agreement<br />

Parameter<br />

transferFrame<br />

LengthRange<br />

Table 5-17: ReedSolomonCoding Data Set<br />

Parameter Name<br />

errorCorrection-<br />

Capability<br />

interleaveDepth<br />

virtualFillLength<br />

Parameter Definition/Description<br />

The maximum number of errored symbols<br />

per codeword to be correctable (see<br />

reference [5]).<br />

The depth of interleave that will be used<br />

on this all frames channel during the space<br />

link session.<br />

The number of virtual fill symbols that are<br />

virtually included in each frame (see<br />

reference [5]).<br />

Data<br />

Type<br />

Integer<br />

[8,16]<br />

Integer<br />

[1,2,3,4,5,<br />

8]<br />

Integer<br />

[0..223])<br />

Units<br />

Octets<br />

n/a<br />

Octets<br />

Applicable <strong>Service</strong><br />

Agreement<br />

Parameter<br />

eccOptions<br />

interleaveOpt<br />

ions<br />

<strong>CCSDS</strong> 910.11-R-2 Page 5-16 March 2008

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