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Jello: Dynamic Spectrum Sharing in Digital Homes Lei Yang, Wei Hou
 

Summary: Jello: Dynamic Spectrum Sharing in Digital Homes
Lei Yang, Wei Hou
, Zengbin Zhang, Ben Y. Zhao, Haitao Zheng
Department of Computer Science, University of California, Santa Barbara

Department of Electronic Engineering, Tsinghua University
ABSTRACT
Wireless devices are being increasingly deployed in digi-
tal homes to deliver demanding applications such as high-
quality streaming media. To avoid costly interference, they
can use frequency-agile hardware to detect and utilize un-
occupied wireless spectrum ranges. The challenge is how
to manage spectrum among a variety of heterogeneous con-
sumer devices efficiently without expensive control hard-
ware or disrupting ongoing transmissions. We develop Jello,
a distributed dynamic spectrum access system based on non-
contiguous OFDMA to provide robust, high-bandwidth com-
munication for consumer wireless devices. We implement a
Jello prototype on a 7-node GNU Radio testbed. In this Jello
demo, we will run three parallel transmissions with time-

  

Source: Almeroth, Kevin C. - Department of Computer Science, University of California at Santa Barbara

 

Collections: Computer Technologies and Information Sciences