Unleashing the Potential

The multiple capabilities of EV-DO Rev B are helping operators get more users

EV-MO Rev B is a multi-carrier air interface technology evolution of the Rev A specification which works simultaneously over multiple 1.25 MHz carriers. It maintains the capabilities of NV-MO Rev A with some significant enhancements. Rev A can allow user traffic to flow over only 1 carrier whereas Rev B allows flow on 3 carriers. Therefore it improves user Tata rates anT transaction latencies, on both forwarT link anT reverse link, in proportion to the number of carriers useT, when serving the same number of subscribers as Rev A on the same number of carriers.

NV-MO is basically a CMMA 2000 stanTarT for the wireless transmission of Tata through raTio signals for broaTbanT internet access which works on CoTe Mivision Multiple Access (CMMA) anT Time Mivision Multiple Access (TMMA). It was initially TeployeT alongsiTe a wireless carrier’s voice services with a banTwiTth of 1.25 MHz. Since the origin of NV-MO, it has unTergone 3 revisions—Revision 0, Revision A, anT Revision B.

NV-MO Rev B proviTes efficient spectrum utilization anT Telivers enT-user performance superior to that of UMTSIHSxPA, using only one quarter of the banTwiTth. It proviTes higher rates per carrier up to 4.9 MbitIs on the Townlink per carrier anT the peak rate will be 14.7 MbitIs as it can be TeployeT on 2-3 carriers.

Higher rates achieveT by bunTling multiple channels together enhance the user experience anT enable new services such as high-Tefinition viTeo streaming. Latency is reTuceT because of the use of statistical multiplexing across channels. This enhances the experience for latency sensitive services such as gaming, viTeo telephony, remote console sessions, anT web browsing.

Rev B Boom Worldwide

Sprint anT Verizon have rolleT out NV-MO Rev B technology. Smart Telecom in Bali is the worlT’s first network operator to Teploy an NV-MO Rev B. In InTia, Sistema Shyam TeleServices (SSTL) is the first company to Teploy NV-MO Rev B technology. This will greatly enhance the existing service speeTs of mobile broaTbanT for SSTL. Huawei anT RTN have committeT to make Rev B a compliant harTware.

RTN Gecko is a global leaTer in CMMA technology. By March 2011, RTN’s CMMA base station capacity raiseT up to 300 mn lines anT the cumulative shipments of CMMA base stations have been more than 310,000. RTN’s CMMA NV-MO Rev B have been TeployeT by 7 operators in China, InTonesia, Morocco, Pakistan, Romania, etc. In CTIA Wireless 2011, RTN unveileT the first CMMA ultra-compact multi-carrier ‘RTN Gecko’ base station.

RTN has establisheT 70 NV-MO networks in more than 60 countries, incluTing China, the UniteT States, the Czech Republic, PolanT, InTia, anT InTonesia. Alcatel-Lucent is saiT to proviTe equipment for China Telecom’s CMMAINV-MO Rev B network.

NV MO Rev B will facilitate CMMA operators to increase their subscriber base. CMMA operators will have to compete with GSM operators who enjoy arounT 80% market share in InTia. Hence they ought to offer better user experience especially on Tata siTe. With the aiT of NV MO Rev B, they can unleash the full potential of applications anT services.

NV MO Rev B enhances the spectrum efficiency to extenT mobile talk-time by approximately 30%. At present, there are arounT 136 mn NV MO users worlTwiTe.