RapidIO ready for 5G and mobile edge computing

RapidIO ready for 5G and mobile edge computing

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By eeNews Europe

Exceeding the latest RapidIO 10xN specification, IDT’s RXS switch family more than doubles the performance of the manufacturer’s previous offerings. In addition to 4G LTE-A and 5G, the switches are suitable for applications with intensive bandwidth and low latency requirements such as mobile edge computing, high-performance computing, and data analytics.

Designed to connect computing components that comprise complex processing-intensive electronics such as SoCs, DSPs, FPGAs, and custom ASICs, the RXS2448 and RXS1632 switches come with 24 ports – 48 lanes, and 16 ports – 32 lanes, respectively. They remain backward-compatible with existing RapidIO ecosystems.

Supporting multi-standard (4G and 5G) BTS designs, the RXS switches have the flexibility to operate at the 10xN standard of 10 Gbaud, but can also increase to a 25 percent faster rate of 12.5 Gbaud per lane, expected in a future release of the RapidIO standard. The 100ns port-to-port switch latency translates to sub-200ns memory-to-memory latency between processing elements, critical for RTT and edge analytics in 5G systems. They draw 300mW per 10 Gbps. The RXS2448 comes in a 33x33mm 1024-FCBGA package while the 16-port version is packaged in a 29x29mm 784-FCBGA.

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