| O&M |
Operations
and Maintenance |
| OAM/OA&M |
Operations,
Administration and Maintenance |
| OAM&P |
Operations,
Administration, Maintenance, and Provisioning |
| OBSAI |
Open
Base Station Architecture Interface |
| OBW |
Occupied
Bandwidth |
| OCC |
Orthogonal
Cover Code |
| OCF |
Online
Charging Function |
| OCNG |
OFDMA
Channel Noise Generator |
| OCS |
Online
Charging System |
| ODAS |
Outdoor
DAS |
| ODDAS |
Outdoor
Digital Distributed Antenna System |
| OECD |
Organization
for Economic Cooperation and Development |
| OFCS |
Offline
Charging System |
| OFDM |
Orthogonal
Frequency Division Multiplexing |
| OFDMA |
Orthogonal
Frequency Division Multiplexing Access (air interface) |
| OI |
Overload
Indicator |
| OLLA |
Outer
Loop Link Adaptation |
| OL-MIMO |
Open
Loop Multiple-Input Multiple-Output |
| OLPC |
Open
Loop Power Control |
| OL-SM |
Open
Loop Spatial Multiplexing |
| OMA |
Open
Mobile Alliance |
| OMA |
Open
Mobile Architecture |
| OMA-DS |
OMA
Data Synchronization |
| OMC |
Operation
and Maintenance Center |
| OMS |
Operations
and Management System |
| OOB |
Out
Of Band |
| OOBN |
Out
Of Band Noise |
| OoBTC |
Out
of Band Transcoder Control |
| OP |
Organizational
Partner |
| OPEX |
Operating
/ Operational Expenses |
| OS |
Operating
System |
| OSA |
Open
Service Architecture |
| OSC |
Orthogonal
Sub Channel |
| OSG |
Open
Subscriber Group |
| OSI |
Open
Systems Interconnection |
| OSPIH |
Octect
Stream Protocol Internet Hosted |
| OSS |
Operational
Support System |
| OSS |
Operations
System Support |
| OTA |
Over
the Air |
| OTDOA |
Observed
Time Difference of Arrival |
| OTT |
Over
The Top |
| OVSF |
Orthogonal
Variable Spreading Factor |
RadioCom
Valley
