Operations and Maintenance Centre

In mobile networks, an Operation and Maintenance Center is the central location to operate and maintain the network. There are various types of OMCs depending on the functionality:

* OMC-B (for maintaining Node B)
* OMC-R (radio. for maintaining RNC)
* UMTS OMC-U
* GPRS OMC-G
* OMC-DO
* OMC-IP

## See also

* Radio Network Controller
* Universal Mobile Telecommunications System

## External links

* v
* t
* e

Cellular network standards

List of mobile phone generations

0G radio telephones (1946)|

* MTS
* IMTS
* Altai
* OLT
* MTA - MTB - MTC - MTD
* AMTS
* Autotel (PALM)
* ARP
* B-Netz
* AMR

1G (1979)|

| AMPS family|

* AMPS - N-AMPS
* TACS - ETACS

|

Other|

* NMT
* C-450
* Hicap
* Mobitex
* DataTAC

2G (1991)|

| GSM/3GPP family|

* GSM
* CSD - HSCSD

|

3GPP2 family|

* cdmaOne (IS-95)

AMPS family|

* D-AMPS (IS-54 and IS-136)

Other|

* CDPD
* iDEN
* PDC
* PHS

2G transitional
(2.5G, 2.75G)|

| GSM/3GPP family|

* GPRS
* EDGE/EGPRS - Evolved EDGE

|

3GPP2 family|

* CDMA2000 1X (TIA/EIA/IS-2000)
* CDMA2000 1X Advanced

Other|

* WiDEN
* DECT

3G (2001)|

| 3GPP family|

* UMTS
* UTRA-FDD / W-CDMA
* FOMA
* UTRA-TDD LCR / TD-SCDMA
* UTRA-TDD HCR / TD-CDMA

|

3GPP2 family|

* CDMA2000 1xEV-DO Release 0 (TIA/IS-856)

3G transitional
(3.5G, 3.75G, 3.9G)|

| 3GPP family|

* HSPA
* HSDPA
* HSUPA
* HSPA+
* DC-HSDPA
* LTE (E-UTRA)

|

3GPP2 family|

* CDMA2000 1xEV-DO Revision A (TIA/EIA/IS-856-A)
* EV-DO Revision B (TIA/EIA/IS-856-B)
* EV-DO Revision C

IEEE family|

* Mobile WiMAX
* IEEE 802.16e
* Flash-OFDM
* iBurst (IEEE 802.20)
* WiBro

ETSI family|

* HiperMAN

4G (2009)
IMT Advanced (2013)|

| 3GPP family|

* LTE Advanced (E-UTRA)
* LTE Advanced Pro (4.5G Pro/pre-5G/4.9G)

|

IEEE family|

* WiMAX (IEEE 802.16m)
* WiMax 2.1 (LTE-TDD / TD-LTE)
* WiBro

5G (2019)
IMT-2020 (under development)|

| 3GPP family|

* NR
* NR-IIoT
* LTE-M
* NB-IoT

|

Other|

* DECT-5G

Related articles|

* Cellular networks
* Mobile telephony
* History
* Comparison of standards
* Channel access methods
* FDMA
* OFDMA
* TDMA
* STDMA
* SSMA
* CDMA
* SDMA
* Spectral efficiency comparison table
* Frequency bands
* GSM
* UMTS
* PCS
* LTE
* 5G NR
* Mobile broadband
* NGMN Alliance
* Push-to-talk
* MIMO
* VoLTE
* Wi-Fi calling

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