Lime Micro teams up on LTE femtocells


Simon Bond

Category: News, Silicon South West
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Lime Microsystems of Fleet has teamed up with two key partners – AirWalk Communications and Mindspeed Technologies – to develop an LTE small cell basestation.

Small cells are a crucial element for LTE networks as throughput declines at the edge of a macrocell, so picocells and metrocells are the ideal solution for providing full coverage and capacity.  In addition, heavy data traffic hot spots tend to unbalance the macrocell coverage, and small cells provide an effective means for data offload. To support the exponential growth of in-building data usage, residential femtocells and enterprise femtocells are being deployed to extend the network inside buildings that are RF challenged.

AirWalk is an expert in small cells with a broad portfolio of IP-based products including femtocells, enterprise femtocells and picocells, while Mindspeed’s Transcede system-on-chip processors have low power requirements and complex processing capabilities. Lime Microsystems offers a unique wideband multi-standard transceiver technology enabling the deployment of high performance, cost effective CDMA, WCDMA and LTE (TDD and FDD) small cell base stations.
“The market demand for LTE is growing exponentially due to the popularity of mobile video and data applications, making LTE small cell solutions essential to provide data off-load and coverage improvements as operators migrate from 3G towards LTE,” said Chris Osborn, CTO at AirWalk Communications.  “Working closely with the teams at Mindspeed and Lime has enabled us to introduce the most advanced LTE small cell solution available.”
“We are very happy to be building on our success with Airwalk’s best in class CDMA product by delivering our transceiver technology for their new LTE platform,” said Philippe Roux, VP business development at Lime Microsystems. “Airwalk is leading the way in providing innovative solutions to the market utilizing our multi-standard transceiver IC, LMS6002DFN. Our chip supports all frequencies from 400MHz to 4GHz and data bandwidths up to 28MHz.”
The LTE small cell technology is planned to be extended into a complete portfolio of products over the next few years. The introductory product supports the 700MHz band, utilizes 500mW power output, accommodates up to 200 simultaneous users, and supports S1 packet core network interface.

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