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First LTE Protocol Stack on Android Platform
Posted: 01-Jun-2010 [Source: MIPS Technologies and SySDSoft]

[The industry's first LTE protocol stack has been ported to the Android platform.]

Taipei, Taiwan -- MIPS Technologies, Inc., a leading provider of industry-standard processor architectures and cores for digital consumer, home networking, wireless, communications and business applications, and SySDSoft Inc., a leading supplier of Mobile WiMAX and LTE embedded software solutions for 4G, today announced the industry's first LTE protocol stack ported to the Android(TM) platform. The companies also shared benchmark results of the SySDSoft LTE protocol stack running on MIPS-Based(TM) Android and Linux platforms, achieving nearly theoretical maximum CAT4 data throughput with small packet sizes, low CPU operating frequency and low power. The results demonstrate the efficiency of the MIPS(R) architecture for 4G mobile handsets. With higher upload/download throughput and similar or better performance compared to the competitive solution running at 500MHz, these are believed to be the highest-performance results for such small packet sizes running on a 350MHz core.

"We are experiencing strong momentum as we continue our push into the mobile handset market," said Art Swift, vice president of marketing, MIPS Technologies. "With SySDSoft, we have achieved not only what we believe to be the first LTE stack on Android, but we also handily beat competitive solutions on benchmarks. Companies developing SoCs for next generation mobile handsets should consider MIPS' Technologies flexible and high performance solutions."

"Industry trends such as Android and 4G are causing shifts in the competitive landscape for mobile handsets. MIPS Technologies' processors have long been known for high performance for the digital home and networking. Now, with the global transition to 4G, the high bandwidth standards are very similar to wireless technologies where MIPS cores have a strong presence. By working with SySDSoft, a company widely recognized for the quality of its LTE protocol stacks, the companies are reporting impressive benchmark results," said Will Strauss, president and founder, Forward Concepts.

"As LTE gains traction in mobile handsets, Android will become increasingly important, and the processors driving those systems must be powerful enough to run the entire software stack and applications on a single processor," said Khaled Ismail, CEO, SySDSoft. "With these benchmarks, we've clearly shown the benefits of the MIPS architecture in terms of data compression, performance and channel utilization for Android at 4G. The combination of MIPS Technologies' high-performance, power-efficient architecture and SySDSoft's optimized LTE UE stack (L2-L3-NAS) is an extremely powerful, yet efficient solution for future LTE multi-mode handsets."

Benchmark Details

SySDSoft's LTE UE software stack was tested with both Linux and Android operating systems on a MIPS-Based chipset featuring a 350MHz MIPS32(R) 24Kf(TM) CPU core. The benchmark tested packets of various sizes using an eNodeB emulator to demonstrate achieved UE performance complying with CAT4 requirements. Results showed 150Mbps download (DL) and 50Mbps upload (UL) data rates for packets as small as 256 bytes. For 128byte packets, results showed throughput of around 100Mbps DL and 50Mbps UL thus achieving CAT3 even under such stringent conditions.

The benchmarks demonstrate high performance with minimal processor MIPS consumption, averaging 95 MIPS. This performance was achieved on both Linux and Android without any code changes between the operating systems--demonstrating the versatility of the LTE UE stack architecture.


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