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SoC achieves 1.25Gbit/s throughput

Posted: 24 Oct 2011 ?? ?Print Version ?Bookmark and Share

Keywords:4G? LTE? microwave backhaul? networking solutions?

Broadcom Corp. has announced its latest innovation for 4G/LTE microwave backhaul, the BCM85620 system-on-a-chip (SoC).

The BCM85620 is designed specifically to address the need for higher bandwidth in mobile backhaul. According to Broadcom, the device represents the industry's first solution to deliver 25 percent more capacity from 1024QAM to Gigabit and beyond. It is also the first SoC to combine a baseband modem and network processor in one chip, Broadcom said. With unparalleled integration, the BCM85620 combines the functionality of up to 10 off-the-shelf application-specific standard parts (ASSPs) into one SoC, lowering power consumption and system costs.


The device represents the industry's first solution to deliver 25 percent more capacity from 1024QAM to Gigabit and beyond.

As the number of mobile users and use of multimedia services such as streaming video continue to rise, mobile operators are investing in next generation mobile backhaul networks that enable them to meet the performance and service expectations of consumers. In order to manage this massive growth in wireless traffic and evolution of 4G/LTE networks, carriers are faced with the challenge of backhauling data from the cell sites to the core network.

With enhanced radio performance and advanced networking capabilities, the BCM85620 provides radio-optimized traffic delivery, including robust clock delivery over packet transport needed for network synchronization. Coupled with 1.25Gbit/s throughput and 25 percent higher capacity than existing solutions, the BCM85620 enables wireless backhaul systems to support the demanding requirements of 4G/LTE networks.

The device also features packet fragmentation and header compression combined with ACM-aware traffic management enables radio-optimized networking. It has a robust adaptive code and modulation (ACM) technology automatically provisions bandwidth. The BCM85620 also includes extreme phase noise tolerance reduces system cost and improves spectral efficiency/system gain. Its synchronization over packet network, SyncE and 1588, support over ACM and protection switching. It also provides low latency for 4G networks.

The BCM85620 is now available.

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