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Method and apparatus for a reconfigurable multi-media system

  • US 7,016,668 B2
  • Filed: 09/26/2002
  • Issued: 03/21/2006
  • Est. Priority Date: 09/26/2001
  • Status: Active Grant
First Claim
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1. A reconfigurable multi-media system comprising:

  • a software object radio (SWR) library 130 comprising reconfigurable object specification, design and performance parameters, said SWR adapted for at least one of transmitting and receiving multi-media content via wireless communication;

    a controller 115 in communication with said SWR library;

    a power management device module 135 in communication with said controller;

    a reconfigurable encoder/decoder 140 in communication with said controller to provide the SWR with dynamic coding information for modulation;

    a TCP/IP interface 145 in communication with said reconfigurable encoder/decoder and said controller; and

    an application layer 125 comprising a link layer 120 and a reconfigurable physical layer 100 in communication with each other and said controller 115, the physical layer adapted for communication with a channel 110, and said application layer including at least one driver for multimedia delivery;

    wherein the controller 115 monitors the physical layer 100 and link layer 120 information, and the reconfigurable encoder/decoder 140 dynamically reconfigures modulation and coding of multi-media content according to a cross-layer optimization approach in conjunction with the controller from;

    (a) the physical layer 100 according to channel conditions and device power restrictions;

    (b) the link layer 120 according to variation in network access delay in a multi-user network; and

    (c) the application layer 125 according to variation in characteristics of a data stream to be transported.

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