EV-DO Rev. B

Transforming EV-DO performance.

EV-DO Rev. B is transforming the user experience of millions of EV-DO subscribers by bringing Multicarrier (carrier aggregation) and other techniques, many of which are a cost-effective network upgrade from Rev. A.

Building momentum.

Since the world’s first commercial launch in 2010, many operators across the world have embraced EV-DO Rev. B. Rev. B. transforms the user experience of millions of EV-DO subscribers. It is a cost-effective upgrade from Rev. A and occurs in two phases — Phase 1: Multicarrier, and Phase 2: Hardware.

Phase 1: More channels, more speed.

The step up to Rev. B begins with a software upgrade technique called multicarrier, which aggregates up to three Rev. A channels, or carriers. By employing more channels for data, Rev. B enables higher data rates, lower latency, greater capacity and an enhanced mobile broadband experience.

3x faster data rates for all users.

Using multicarrier, Rev. B triples existing data rates for all users in the cell including those at the cell edge. It also doubles the capacity for bursty applications such as web browsing.

Phase 2: Greater capacity, double-digit data rates.

The second phase of a Rev. B upgrade raises downlink peak rates to an amazingly fast 14.7 Mbps by employing the commercially available CSM6850 cell station modem. This highly optimized modem supports four carriers on a single card, lowering deployment cost for operators. Phase 2 also introduces BTS interference cancellation, which increases uplink capacity by ~65%.

A robust Rev. B device market is already in motion.

Qualcomm Technologies' wide range of chipsets has helped populate and accelerate the Rev. B device market with everything from USB dongles/ modems to featured phones and smartphones.

CDMA Evolution

Mar 21, 2010