625 lines
25 KiB
Plaintext
625 lines
25 KiB
Plaintext
OsmoBSC> show network
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...
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Handover: Off
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...
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OsmoBSC> enable
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OsmoBSC# ### No handover config present
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OsmoBSC# show running-config
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... !handover
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OsmoBSC# ### Toggling handover on network level affects 'show network':
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OsmoBSC# configure terminal
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OsmoBSC(config)# network
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OsmoBSC(config-net)# do show network
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...
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Handover: Off
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...
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OsmoBSC(config-net)# handover 1
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OsmoBSC(config-net)# do show network
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...
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Handover: On
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...
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OsmoBSC(config-net)# ### If network level default is 'on', bts level can still override to 'off':
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OsmoBSC(config-net)# bts 0
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OsmoBSC(config-net-bts)# handover 0
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OsmoBSC(config-net-bts)# do show network
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...
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Handover: Off
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...
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OsmoBSC(config-net-bts)# exit
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OsmoBSC(config-net)# ### Create a *second* BTS that is not explicitly 'off':
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OsmoBSC(config-net)# bts 1
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OsmoBSC(config-net-bts)# do show network
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...
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Handover: On at 1 BTS, Off at 1 BTS
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...
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OsmoBSC(config-net-bts)# ### Add arbitrary handover config item for bts 1:
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OsmoBSC(config-net-bts)# handover1 power budget interval 23
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OsmoBSC(config-net-bts)# exit
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OsmoBSC(config-net)# ### HO is 'on' globally, bts 0 disables it, bts 1 tweaks a param:
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OsmoBSC(config-net)# show running-config
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...
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network
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... !handover
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handover 1
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... !handover
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bts 0
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... !handover
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handover 0
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... !handover
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bts 1
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... !handover
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handover1 power budget interval 23
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... !handover
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OsmoBSC(config-net)# ### Set global default to 'off', now bts 1 also uses the global default of 'off':
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OsmoBSC(config-net)# handover 0
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OsmoBSC(config-net)# do show network
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...
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Handover: Off
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...
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OsmoBSC(config-net)# show running-config
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...
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network
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... !handover
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handover 0
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... !handover
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bts 0
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... !handover
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handover 0
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... !handover
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bts 1
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... !handover
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handover1 power budget interval 23
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... !handover
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OsmoBSC(config-net)# ### Remove the global setting, i.e. use the factory default net level, with same effect:
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OsmoBSC(config-net)# handover default
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% 'handover' setting removed, now is 0
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OsmoBSC(config-net)# handover default
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% 'handover' already was unset, still is 0
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OsmoBSC(config-net)# do show network
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...
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Handover: Off
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...
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OsmoBSC(config-net)# show running-config
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...
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network
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... !handover
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bts 0
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... !handover
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handover 0
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... !handover
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bts 1
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... !handover
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handover1 power budget interval 23
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... !handover
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OsmoBSC(config-net)# ### Re-enable net-level handover, but bts 0 remains disabled explicitly
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OsmoBSC(config-net)# handover 1
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OsmoBSC(config-net)# do show network
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...
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Handover: On at 1 BTS, Off at 1 BTS
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...
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OsmoBSC(config-net)# show running-config
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...
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network
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... !handover
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handover 1
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... !handover
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bts 0
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... !handover
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handover 0
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... !handover
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bts 1
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... !handover
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handover1 power budget interval 23
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... !handover
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OsmoBSC(config-net)# ### Remove explicit setting of bts 0 to also use the global setting:
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OsmoBSC(config-net)# bts 0
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OsmoBSC(config-net-bts)# handover default
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% 'handover' setting removed, now is 1 (set on higher level node)
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OsmoBSC(config-net-bts)# handover default
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% 'handover' already was unset, still is 1 (set on higher level node)
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OsmoBSC(config-net-bts)# do show network
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...
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Handover: On
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...
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OsmoBSC(config-net-bts)# show running-config
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...
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network
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... !handover
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handover 1
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... !handover
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bts 0
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... !handover
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bts 1
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... !handover
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handover1 power budget interval 23
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... !handover
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OsmoBSC(config-net-bts)# ### Verify that 'min rxlev' value range stops at -50
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OsmoBSC(config-net-bts)# handover2 min rxlev ?
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<-110--50> minimum RxLev (dBm; note: negative values)
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default Use default (-100), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 min rxlev -111
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% Unknown command.
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OsmoBSC(config-net-bts)# handover2 min rxlev -110
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OsmoBSC(config-net-bts)# handover2 min rxlev -50
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OsmoBSC(config-net-bts)# handover2 min rxlev -49
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% Unknown command.
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OsmoBSC(config-net-bts)# handover2 min rxlev 50
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% Unknown command.
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OsmoBSC(config-net-bts)# handover2 min rxlev default
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% 'handover2 min rxlev' setting removed, now is -100
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OsmoBSC(config-net-bts)# ### Checking online help
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OsmoBSC(config-net-bts)# exit
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OsmoBSC(config-net)# list
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...
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handover (0|1|default)
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handover algorithm (1|2|default)
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handover1 window rxlev averaging (<1-10>|default)
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handover1 window rxqual averaging (<1-10>|default)
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handover1 window rxlev neighbor averaging (<1-10>|default)
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handover1 power budget interval (<1-99>|default)
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handover1 power budget hysteresis (<0-999>|default)
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handover1 maximum distance (<0-9999>|default)
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handover2 window rxlev averaging (<1-10>|default)
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handover2 window rxqual averaging (<1-10>|default)
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handover2 window rxlev neighbor averaging (<1-10>|default)
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handover2 power budget interval (<1-99>|default)
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handover2 power budget hysteresis (<0-999>|default)
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handover2 maximum distance (<0-9999>|default)
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handover2 assignment (0|1|default)
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handover2 tdma-measurement (auto|full|subset|default)
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handover2 min rxlev (<-110--50>|default)
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handover2 min rxqual (<0-7>|default)
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handover2 afs-bias rxlev (<0-20>|default)
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handover2 afs-bias rxqual (<0-7>|default)
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handover2 min-free-slots tch/f (<0-9999>|default)
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handover2 min-free-slots tch/h (<0-9999>|default)
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handover2 max-handovers (<1-9999>|default)
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handover2 penalty-time max-distance (<0-99999>|default)
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handover2 penalty-time failed-ho (<0-99999>|default)
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handover2 penalty-time failed-assignment (<0-99999>|default)
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handover2 retries (<0-9>|default)
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handover2 congestion-check (disabled|<1-999>|now)
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...
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OsmoBSC(config-net)# handover?
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handover Handover general config
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OsmoBSC(config-net)# handover1?
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handover1 Handover options for handover decision algorithm 1
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OsmoBSC(config-net)# handover2?
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handover2 Handover options for handover decision algorithm 2
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OsmoBSC(config-net)# handover ?
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0 Disable in-call handover
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1 Enable in-call handover
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default Enable/disable handover: Use default (0), remove explicit setting on this node
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algorithm Choose algorithm for handover decision
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...
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OsmoBSC(config-net)# handover1 ?
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window Measurement averaging settings
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power Neighbor cell power triggering
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maximum Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net)# handover2 ?
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window Measurement averaging settings
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power Neighbor cell power triggering
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maximum Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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assignment Enable or disable in-call channel re-assignment within the same cell
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tdma-measurement Define measurement set of TDMA frames
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min Minimum Level/Quality thresholds before triggering HO
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afs-bias Configure bias to prefer AFS (AMR on TCH/F) over other codecs
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min-free-slots Minimum free TCH timeslots before cell is considered congested
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max-handovers Maximum number of concurrent handovers allowed per cell
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penalty-time Set penalty times to wait between repeated handovers
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retries Number of times to immediately retry a failed handover/assignment, before a penalty time is applied
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congestion-check Configure congestion check interval
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OsmoBSC(config-net)# handover algorithm ?
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1 Algorithm 1: trigger handover based on comparing current cell and neighbor RxLev and RxQual, only.
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2 Algorithm 2: trigger handover on RxLev/RxQual, and also to balance the load across several cells. Consider available codecs. Prevent repeated handover by penalty timers.
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 window ?
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rxlev Received-Level averaging
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rxqual Received-Quality averaging
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OsmoBSC(config-net)# handover1 window rxlev ?
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averaging How many RxLev measurements to use for averaging
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neighbor How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net)# handover1 window rxlev averaging ?
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<1-10> RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 window rxlev neighbor ?
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averaging How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net)# handover1 window rxlev neighbor averaging ?
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<1-10> Neighbor RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 window rxqual ?
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averaging How many RxQual measurements to use for averaging
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OsmoBSC(config-net)# handover1 window rxqual averaging ?
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<1-10> RxQual averaging: Number of values to average over
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 power ?
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budget Neighbor cell power triggering
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OsmoBSC(config-net)# handover1 power budget ?
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interval How often to check for a better cell (SACCH frames)
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hysteresis How many dB stronger must a neighbor be to become a HO candidate
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OsmoBSC(config-net)# handover1 power budget interval ?
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<1-99> Check for stronger neighbor every N number of SACCH frames
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default Use default (6), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 power budget hysteresis ?
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<0-999> Neighbor's strength difference in dB
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default Use default (3), remove explicit setting on this node
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OsmoBSC(config-net)# handover1 maximum ?
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distance Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net)# handover1 maximum distance ?
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<0-9999> Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 window ?
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rxlev Received-Level averaging
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rxqual Received-Quality averaging
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OsmoBSC(config-net)# handover2 window rxlev ?
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averaging How many RxLev measurements to use for averaging
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neighbor How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net)# handover2 window rxlev averaging ?
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<1-10> RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 window rxlev neighbor ?
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averaging How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net)# handover2 window rxlev neighbor averaging ?
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<1-10> Neighbor RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 window rxqual ?
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averaging How many RxQual measurements to use for averaging
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OsmoBSC(config-net)# handover2 window rxqual averaging ?
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<1-10> RxQual averaging: Number of values to average over
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 power ?
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budget Neighbor cell power triggering
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OsmoBSC(config-net)# handover2 power budget ?
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interval How often to check for a better cell (SACCH frames)
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hysteresis How many dB stronger must a neighbor be to become a HO candidate
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OsmoBSC(config-net)# handover2 power budget interval ?
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<1-99> Check for stronger neighbor every N number of SACCH frames
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default Use default (6), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 power budget hysteresis ?
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<0-999> Neighbor's strength difference in dB
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default Use default (3), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 maximum ?
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distance Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net)# handover2 maximum distance ?
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<0-9999> Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 assignment ?
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0 Disable in-call assignment
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1 Enable in-call assignment
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 tdma-measurement ?
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auto Use full set when DTX is not in use, use subset when DTX is in use, as indicated by each Measurement Report
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full Full set of 102/104 TDMA frames
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subset Sub set of 4 TDMA frames (SACCH)
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default Use default (subset), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 min ?
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rxlev How weak may RxLev of an MS become before triggering HO
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rxqual How bad may RxQual of an MS become before triggering HO, where 0 is the best quality (bit error rate < 0.2%) and 7 is the worst quality (bit error rate > 12.8%), see 3GPP TS 45.008 8.2.4.
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OsmoBSC(config-net)# handover2 min rxlev ?
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<-110--50> minimum RxLev (dBm; note: negative values)
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default Use default (-100), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 min rxqual ?
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<0-7> worst acceptable RxQual
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default Use default (5), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 afs-bias ?
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rxlev RxLev improvement bias for AFS over other codecs
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rxqual RxQual improvement bias for AFS over other codecs
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OsmoBSC(config-net)# handover2 afs-bias rxlev ?
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<0-20> Virtual RxLev improvement (dB)
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 afs-bias rxqual ?
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<0-7> Virtual RxQual improvement
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 min-free-slots ?
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tch/f Minimum free TCH/F timeslots before cell is considered congested
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tch/h Minimum free TCH/H timeslots before cell is considered congested
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OsmoBSC(config-net)# handover2 min-free-slots tch/f ?
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<0-9999> Number of TCH/F slots
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 min-free-slots TCH/F ?
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% There is no matched command.
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OsmoBSC(config-net)# handover2 min-free-slots tch/h ?
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<0-9999> Number of TCH/H slots
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 max-handovers ?
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<1-9999> Number
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 penalty-time ?
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max-distance Time to suspend handover for a subscriber after leaving this cell due to exceeding max distance; see also 'handover2 retries'
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failed-ho Time to suspend handover for a subscriber after a failed handover into this cell; see also 'handover2 retries'
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failed-assignment Time to suspend handover for a subscriber after a failed re-assignment within this cell; see also 'handover2 retries'
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OsmoBSC(config-net)# handover2 penalty-time max-distance ?
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<0-99999> Seconds
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default Use default (300), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 penalty-time failed-ho ?
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<0-99999> Seconds
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default Use default (60), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 penalty-time failed-assignment ?
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<0-99999> Seconds
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default Use default (60), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 retries ?
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<0-9> Number of retries
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net)# handover2 congestion-check ?
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disabled Disable congestion checking, do not handover based on cell load. Note: there is one global congestion check interval, i.e. contrary to other handover2 settings, this is not configurable per individual cell.
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<1-999> Congestion check interval in seconds (default 10)
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now Manually trigger a congestion check to run right now
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OsmoBSC(config-net)# ### Same on BTS level, except for the congestion-check
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OsmoBSC(config-net)# bts 0
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OsmoBSC(config-net-bts)# handover?
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handover Handover general config
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OsmoBSC(config-net-bts)# handover1?
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handover1 Handover options for handover decision algorithm 1
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OsmoBSC(config-net-bts)# handover2?
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handover2 Handover options for handover decision algorithm 2
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OsmoBSC(config-net-bts)# handover ?
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0 Disable in-call handover
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1 Enable in-call handover
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default Enable/disable handover: Use default (0), remove explicit setting on this node
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algorithm Choose algorithm for handover decision
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...
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OsmoBSC(config-net-bts)# handover1 ?
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window Measurement averaging settings
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power Neighbor cell power triggering
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maximum Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net-bts)# handover2 ?
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window Measurement averaging settings
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power Neighbor cell power triggering
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maximum Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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assignment Enable or disable in-call channel re-assignment within the same cell
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tdma-measurement Define measurement set of TDMA frames
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min Minimum Level/Quality thresholds before triggering HO
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afs-bias Configure bias to prefer AFS (AMR on TCH/F) over other codecs
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min-free-slots Minimum free TCH timeslots before cell is considered congested
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max-handovers Maximum number of concurrent handovers allowed per cell
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penalty-time Set penalty times to wait between repeated handovers
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retries Number of times to immediately retry a failed handover/assignment, before a penalty time is applied
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OsmoBSC(config-net-bts)# handover algorithm ?
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1 Algorithm 1: trigger handover based on comparing current cell and neighbor RxLev and RxQual, only.
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2 Algorithm 2: trigger handover on RxLev/RxQual, and also to balance the load across several cells. Consider available codecs. Prevent repeated handover by penalty timers.
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 window ?
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rxlev Received-Level averaging
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rxqual Received-Quality averaging
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OsmoBSC(config-net-bts)# handover1 window rxlev ?
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averaging How many RxLev measurements to use for averaging
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neighbor How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net-bts)# handover1 window rxlev averaging ?
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<1-10> RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 window rxlev neighbor ?
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averaging How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net-bts)# handover1 window rxlev neighbor averaging ?
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<1-10> Neighbor RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 window rxqual ?
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averaging How many RxQual measurements to use for averaging
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OsmoBSC(config-net-bts)# handover1 window rxqual averaging ?
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<1-10> RxQual averaging: Number of values to average over
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 power ?
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budget Neighbor cell power triggering
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OsmoBSC(config-net-bts)# handover1 power budget ?
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interval How often to check for a better cell (SACCH frames)
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hysteresis How many dB stronger must a neighbor be to become a HO candidate
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OsmoBSC(config-net-bts)# handover1 power budget interval ?
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<1-99> Check for stronger neighbor every N number of SACCH frames
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default Use default (6), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 power budget hysteresis ?
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<0-999> Neighbor's strength difference in dB
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default Use default (3), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover1 maximum ?
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distance Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net-bts)# handover1 maximum distance ?
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<0-9999> Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 window ?
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rxlev Received-Level averaging
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rxqual Received-Quality averaging
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OsmoBSC(config-net-bts)# handover2 window rxlev ?
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averaging How many RxLev measurements to use for averaging
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neighbor How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net-bts)# handover2 window rxlev averaging ?
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<1-10> RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 window rxlev neighbor ?
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averaging How many Neighbor RxLev measurements to use for averaging
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OsmoBSC(config-net-bts)# handover2 window rxlev neighbor averaging ?
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<1-10> Neighbor RxLev averaging: Number of values to average over
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default Use default (10), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 window rxqual ?
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averaging How many RxQual measurements to use for averaging
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OsmoBSC(config-net-bts)# handover2 window rxqual averaging ?
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<1-10> RxQual averaging: Number of values to average over
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default Use default (1), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 power ?
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budget Neighbor cell power triggering
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OsmoBSC(config-net-bts)# handover2 power budget ?
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interval How often to check for a better cell (SACCH frames)
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hysteresis How many dB stronger must a neighbor be to become a HO candidate
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OsmoBSC(config-net-bts)# handover2 power budget interval ?
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<1-99> Check for stronger neighbor every N number of SACCH frames
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default Use default (6), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 power budget hysteresis ?
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<0-999> Neighbor's strength difference in dB
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default Use default (3), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 maximum ?
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distance Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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OsmoBSC(config-net-bts)# handover2 maximum distance ?
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<0-9999> Maximum Timing-Advance value (i.e. MS distance) before triggering HO
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 assignment ?
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0 Disable in-call assignment
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1 Enable in-call assignment
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 tdma-measurement ?
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auto Use full set when DTX is not in use, use subset when DTX is in use, as indicated by each Measurement Report
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full Full set of 102/104 TDMA frames
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subset Sub set of 4 TDMA frames (SACCH)
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default Use default (subset), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 min ?
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rxlev How weak may RxLev of an MS become before triggering HO
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rxqual How bad may RxQual of an MS become before triggering HO, where 0 is the best quality (bit error rate < 0.2%) and 7 is the worst quality (bit error rate > 12.8%), see 3GPP TS 45.008 8.2.4.
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OsmoBSC(config-net-bts)# handover2 min rxlev ?
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<-110--50> minimum RxLev (dBm; note: negative values)
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default Use default (-100), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 min rxqual ?
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<0-7> worst acceptable RxQual
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default Use default (5), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 afs-bias ?
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rxlev RxLev improvement bias for AFS over other codecs
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rxqual RxQual improvement bias for AFS over other codecs
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OsmoBSC(config-net-bts)# handover2 afs-bias rxlev ?
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<0-20> Virtual RxLev improvement (dB)
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 afs-bias rxqual ?
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<0-7> Virtual RxQual improvement
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 min-free-slots ?
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tch/f Minimum free TCH/F timeslots before cell is considered congested
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tch/h Minimum free TCH/H timeslots before cell is considered congested
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OsmoBSC(config-net-bts)# handover2 min-free-slots tch/f ?
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<0-9999> Number of TCH/F slots
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 min-free-slots TCH/F ?
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% There is no matched command.
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OsmoBSC(config-net-bts)# handover2 min-free-slots tch/h ?
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<0-9999> Number of TCH/H slots
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default Use default (0), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 max-handovers ?
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<1-9999> Number
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default Use default (9999), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 penalty-time ?
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max-distance Time to suspend handover for a subscriber after leaving this cell due to exceeding max distance; see also 'handover2 retries'
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failed-ho Time to suspend handover for a subscriber after a failed handover into this cell; see also 'handover2 retries'
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failed-assignment Time to suspend handover for a subscriber after a failed re-assignment within this cell; see also 'handover2 retries'
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OsmoBSC(config-net-bts)# handover2 penalty-time max-distance ?
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<0-99999> Seconds
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default Use default (300), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 penalty-time failed-ho ?
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<0-99999> Seconds
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default Use default (60), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 penalty-time failed-assignment ?
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<0-99999> Seconds
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default Use default (60), remove explicit setting on this node
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OsmoBSC(config-net-bts)# handover2 retries ?
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<0-9> Number of retries
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default Use default (0), remove explicit setting on this node
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