# If a handover from one TCH kind to the other occupies a dynamic timeslot,
# also adhere to congestion constraints of the other TCH kind, since taking up
# a dyn TS may reduce the available slot count for both kinds of TCH.

create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F dyn dyn dyn PDCH
create-bts trx-count 1 timeslots c+s4 TCH/F TCH/F TCH/F dyn dyn dyn PDCH

# A TCH/F has better rxlev at a neighbor, and the neighbor's TCH/F slots would
# not become congested. But taking up a neighbor's dynamic timeslot for TCH/F
# would reduce the TCH/H availability to cause congestion on TCH/H. No HO.

network
 handover2 min-free-slots tch/f 0
 handover2 min-free-slots tch/h 4

set-ts-use trx 0 0 states * TCH/F - - pdch pdch pdch *
set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/HH pdch pdch *

meas-rep lchan * * * * rxlev 40 rxqual 0 ta 0 neighbors 30
expect-no-chan

meas-rep lchan 0 0 1 0 rxlev 20 rxqual 0 ta 0 neighbors 40
# no handover because that results in congestion on TCH/H in bts 1
expect-no-chan

###

set-ts-use trx 0 0 states * - - - pdch pdch pdch *
set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/HH TCH/F pdch *
meas-rep lchan * * * * rxlev 40 rxqual 0 ta 0 neighbors 30

congestion-check
expect-ho from lchan 1 0 4 1 to lchan 0 0 4 0
expect-ts-use trx 0 0 states * - - - TCH/H- pdch pdch *
expect-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/H- TCH/F pdch *


###

set-ts-use trx 0 0 states * - - - pdch pdch pdch *
set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/H- TCH/F TCH/F *

congestion-check
# more FAIL: TCH/H moves to worse bts 0 due to congestion
expect-ho from lchan 1 0 4 0 to lchan 0 0 4 0
expect-ts-use trx 0 0 states * - - - TCH/H- pdch pdch *
expect-ts-use trx 1 0 states * TCH/F TCH/F TCH/F pdch TCH/F TCH/F *


###

set-ts-use trx 0 0 states * - - - TCH/H- pdch pdch *
set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F pdch TCH/F TCH/F *

congestion-check
expect-no-chan

meas-rep lchan 1 * * * rxlev 40 rxqual 0 ta 0 neighbors 30
expect-no-chan

meas-rep lchan 0 * * * rxlev 30 rxqual 0 ta 0 neighbors 40
# no HO because the target is congested on TCH/H. Moving to TCH/F would also
# reduce TCH/H lchans because it would convert another dyn TS.
expect-no-chan

###

set-ts-use trx 0 0 states * - - - pdch pdch pdch *
set-ts-use trx 1 0 states * TCH/F TCH/F TCH/F TCH/F TCH/F TCH/F *

congestion-check
# FAIL: TCH/F occupy dynamic timeslots -- should hand over to bts 0 to free a
# dyn TS and reduce TCH/H congestion.
expect-no-chan