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Return the amount of optional padding bits, which is 6*8 for
MCS-3 and MCS-6 and 0 for all other coding schemes. The padding
is needed the encode 68 byte data blocks (MCS-8) with these schemes.
See TS 44.060, 9.3.2.1 and Annex J for details.
Sponsored-by: On-Waves ehf
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Add family handling and the related methods family,
isFamilyCompatible, isCombinable, decToSingleBlock to
GprsCodingScheme.
Sponsored-by: On-Waves ehf
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These methods are added to GprsCodingScheme to avoid related
switch statements in the RLC block encoder for EGPRS.
Sponsored-by: On-Waves ehf
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Currently the RLC message length that is obtained from the DSP is
reduced by 1 if the last byte of the buffer includes spare bits.
While this worked well with GPRS, these bits are being used to
encode RLC blocks in EGPRS mode. Thus this last byte must not be
chopped off. The functionality of the code is not affected by this,
since the modified length value is not used.
This commit adds GprsCodingScheme::usedSizeDL/UL to return
the number of bytes needed to encode the message block. If there are
single bits at the end that are to be used (EGPRS), the functions
return the number of full bytes plus 1 (which is the buffer size
reported by the DSP and returned by sizeUL/sizeDL). The commit also
removes the len parameter from rcv_data_block_acknowledged.
Sponsored-by: On-Waves ehf
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This convenience operator rather hide implementation bugs and is thus
removed.
Sponsored-by: On-Waves ehf
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Add the current mode to the output of the 'show ms imsi' and
'show ms tlli' commands.
Sponsored-by: On-Waves ehf
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Add a few new operators and methods to support the use of
GprsCodingScheme instead of the plain integer currently used.
Sponsored-by: On-Waves ehf
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This commit adds the methods maxDataBlockBytes and numDataBlocks
which provide information about the data areas within RLC messages.
In these areas, the extension bytes, TLLI, and the LLC data are
stored.
Sponsored-by: On-Waves ehf
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The header type depends on the coding scheme, for GPRS there is a
single data header type per direction, for EGPRS there are 3 per
direction. In addition, control block header types are used with CS-1
only, so there is one of the per direction altogether for GRPS and
EGPRS.
This commit adds the header type enum and two methods headerTypeData
and headerTypeControl.
Sponsored-by: On-Waves ehf
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Currently the coding scheme is checked and compared at different
places which makes in cumbersome to extend it for EGPRS.
This class encapsules the coding scheme and provides required meta
information like sizes as well as helper methods.
Sponsored-by: On-Waves ehf
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