*         UMB is a 4G mobile communication technology. It is the brand name for the project under 3gpp2 to improve the CDMA2000 mobile phone standard for next generation applications and requirements.

*         UMB achieves extremely high data rates (288 Mbps Downlink, 76 Mbps uplink), very low latencies, and seamless mobility over larger coverage areas.

*         It achieves this through a combination of the best of CDMA, TDM, OFDM and OFDMA multiple access techniques into a single air interface using advanced and highly optimized control and signaling mechanisms as also through employment of  MIMO and SDMA advanced antenna techniques.

*         Deployable in flexible bandwidth allocations between 1.25 MHz and 20 MHz, using incremental channel bandwidths allocations of around 150 kHz, within the 450 MHz, 700 MHz, 850 MHz, 1700 MHz, 1900 MHz, 1700/2100 MHz (AWS), 1900/2100 MHz (IMT) and 2500 MHz (3G extension) spectrum bands.

*         The 4G mobile communication technologies aim at providing both voice and data/multimedia services on the same packet-based network architecture. Consequently, the UMB technology targets all media access devices including laptops, mobile phones, PDAs, in-vehicle entertainment, video conferencing, multimedia players, gaming consoles, digital cameras.

*         With data rates provided by UMB matching and surpassing those of fixed DSL and cable broadband, mobile broadband PC cards and embedded modems might be used as the primary broadband connection, replacing the need for fixed broadband.

*         UMB’s increased capacity together with robust QoS support would support visual media applications such as upload, share and print of digital images from digital cameras and also for video gamers in multiplayer games.

*         High data rates and low latency support surveillance services and video conferencing.





3gpp2 is the standard body responsible for development of standards for UMB. Although many companies are active members of 3gpp2, the major companies in active support of the ultra mobile broadband standard are Alcatel-Lucent, Hitachi, Huawei, LGE, Motorola, Nortel, QUALCOMM and ZTE.

The documents for the standard detailing the specifications for each layer of the protocol stack can be downloaded from 3gpp2 documents library.





The document numbered C.S0084-001-0_v2.0 deals with the physical layer of the standard. The following is a link to the document: