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Andreas Eversberg andreas at eversberg.euHolger Hans Peter Freyther wrote: > I have the suspicion that in case of algorithm A only the first > PDCH will be used to assign to phones? And in case of algorithm B > it is likely that the assignments are not spread equally across the > available timeslots? > dear holger, it is true tat algorithm A only assigns the first PDCH time slot. i don't see any problems changing that by spreading TBF usage over all available PDCHs. in case of algorithm B it is a bit different. we want to assign a certain PDCH time slot for uplink, so we can be sure that the phone is able to receive all supported downlink PDCH slots, if an additional downlink TBF is assigned. for a class 12 mobile (as used today), we can assign up to 4 PDCHs for downlink. in this case we must assign the third PDCH for uplink, otherwise semi-duplex operation is not possible with all 4 time slots. but again, it would be possible to spread uplink and downlink assignment, if we have more than 4 PDCHs. this makes the algorithm more complex. regards, andreas