def frequencyRedefinition(CellChannelDescription_presence=0):
 a = TpPd(pd=6)
 b = MessageType(mesType=20)
 c = ChannelDescription()
 d = MobileAllocation()
 e = StartingTime()
 packet = ((((a / b) / c) / d) / e)
 if (CellChannelDescription_presence is 1):
  f = CellChannelDescriptionHdr(ieiCCD=98, eightBitCCD=0)
  packet = (packet / f)
 return packet

def frequencyRedefinition ( CellChannelDescription_presence = 0 ) : a = TpPd ( pd = 6 ) b = MessageType ( mesType = 20 ) c = ChannelDescription ( ) d = MobileAllocation ( ) e = StartingTime ( ) packet = ( ( ( ( a / b ) / c ) / d ) / e ) if ( CellChannelDescription_presence is 1 ) : f = CellChannelDescriptionHdr ( ieiCCD = 98 , eightBitCCD = 0 ) packet = ( packet / f ) return packet
frequency redefinition section 9 .