Base stations developed according to the 3GPP Long Term
Evolution (LTE) standard require unprecedented processing power.
3GPP LTE enables data rates beyond hundreds of Mbits/s by using
advanced technologies, necessitating a highly complex LTE physical
layer. The operating power of base stations is a significant cost
for operators, and is currently optimized using state-of-the-art
hardware solutions, such as heterogeneous distributed systems. The
traditional system design method of porting algorithms to
heterogeneous distributed systems based on test-and-refine methods
is a manual, thus time-expensive, task.
"Physical Layer Multi-Core Prototyping: A Dataflow-Based
Approach" provides a clear introduction to the 3GPP LTE physical
layer and to dataflow-based prototyping and programming. The
difficulties in the process of 3GPP LTE physical layer porting are
outlined, with particular focus on automatic partitioning and
scheduling, load balancing and computation latency reduction,
specifically in systems based on heterogeneous multi-core Digital
Signal Processors. Multi-core prototyping methods based on
algorithm dataflow modeling and architecture system-level modeling
are assessed with the goal of automating and optimizing algorithm
porting.
With its analysis of physical layer processing and proposals of
parallel programming methods, which include automatic partitioning
and scheduling, "Physical Layer Multi-Core Prototyping: A
Dataflow-Based Approach" is a key resource for researchers and
students. This study of LTE algorithms which require dynamic or
static assignment and dynamic or static scheduling, allows readers
to reassess and expand their knowledge of this vital component of
LTE base station design.
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