Channel Mapping for LTE
Downlink
PCCH
BCCH
MIB
PCH
BCH
Uplink
DTCH DCCH
CCCH
DTCH
CCCH
DCCH
“type of information”
(traffic/control)
SIB
UL-SCH
DL-SCH
RACH
Transport Channels
“how and with what
characteristics”
(common/shared/mc/bc)
-Sched TF DL
-Paging indicator
-Sched grant UL
-Pwr Ctrl cmd
PDCCH
-HARQ info
info
PBCH
PDSCH PCFICH PDCCH
-meas for DL sched
-meas for mobility
-coherent demod
RS
-half frame sync
-cell id
P-SS
Logical Channels
ACK/NACK
PHICH
-frame sync
-cell id group
S-SS
-CQI
-ACK/NACK
-Sched req.
PUCCH
PUSCH PRACH
-coherent demod
RS
Physical Channels
-measurements
for UL scheduling
SRS
“bits, symbols,
modulation, radio
frames etc”
Physical Signals
“only L1 info”