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March 13, 2010

Mtg: Ultra-Low-Power Software-Defined Radio for LTE Wireless Baseband

by @ 7:57 pm. Filed under ALL, Communications, Computers/Software, Electronics Design
 

THURSDAY March 18, 2010
SCV Solid State Circuits Chapter?
Speaker: Chris Rowen, Ph.D., Founder, CTO, member of the board of directors, Tensilica
Time: Networking and fast food at 6:00 PM, Presentation at 6:30 PM
Cost: Donation for food
Place: National Semiconductor Building E Auditorium, 2900 Semiconductor Dr., Santa Clara
RSVP: Through EventBrite
Web: ewh.ieee.org/mu/scv-sscs/upcoming-events

Next-generation cellular systems offer an great leap in bandwidth (>100Mbps) but face daunting problems in design complexity, cost and energy efficiency.? The 3GPP LTE standard combines several major innovations in communications protocols, including OFDM, MIMO and Turbo decoding to reach high spectral efficiency that stretch the limits of baseband design complexity.? At the same time LTE is also seeing rapid uptake, with wide proliferation of cost-reduced basestations and long-battery-life terminals expected within 2-3 years.
This creates a paradox.
Traditionally, designers have turned to programmable systems using DSPs for this class of bleeding-edge algorithms, but these cannot meet the cost and power goals.? On the other hand, hardwired datapath design may be sufficiently energy-efficient, but is paintakingly slow and error prone, especially in the face of a new, evolving standard.? This talk explores the challenges of Cat4 and Cat5 LTE baseband implementation and explores the range of design styles, processors, building blocks, virtual prototyping and system-on-chip silicon implementation methods for real world LTE chips.? It explores a pragmatic design style based on a new generation of automatically generated DSP engines and building blocks that can handle the development complexity and computational load inside a very tight energy envelope.

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