observations 3

OL	Open Loop
OPEX	Operating Expenditures
PA	Power Amplifier
PCs	Personal Computers
PCFICH	Physical Control Format Indicator Channel
PCS	Personal Communication Systems
PDCCH	Physical Downlink Control Channel
PHICH	Physical Hybrid-ARQ Indicator Channel
PMI	Precoding Matrix Indication
QAM	Quadrature Amplitude Modulation
QoS	Quality of Service
RAB	Remote Antenna Beam Width
RAS	Remote Antenna Azimuth
RET	Remote Electrical Downtilt
RF	Radio Frequency
RI	Rank Indication
RRH	Remote Radio Head
RRU	Remote Radio Unit
RU	Radio Unit
RX	Receiver
RXMC	Receiver Multicoupler
SAW	Surface Acoustic Wave
SBC	Same Band Combiner
SCM	Spatial Channel Model
SCPA	Single-Carrier Power Amplifier
SFBC	Space-Frequency Block Coding
SIC	Successive Interference Cancellation
SIMO	Single-Input and Multiple-Output