'Path metric' diaporamas de présentation

Routing in Wireless Mesh Networks

693 views • 45 slides

Routing in Multi-Radio, Multi-Hop Wireless Mesh Networks

Routing in Multi-Radio, Multi-Hop Wireless Mesh Networks. Richard Draves, Jitendra Padhye, and Brian Zill Microsoft Research. Multi-hop Wireless Networks. Improving Network Capacity. Multi-Hop Networks with Single Radio.

672 views • 39 slides

Routing in Multi-Radio, Multi-Hop Wireless Mesh Networks

568 views • 36 slides

Link Quality Source Routing (LQSR)

475 views • 34 slides

Error Correction Code (2)

Error Correction Code (2). Fire Tom Wada Professor, Information Engineering, Univ. of the Ryukyus. Two major FEC technologies. Reed Solomon code (Block Code) Convolutional code Serially concatenated code. Interleaving. Reed Solomon Code. Convolution Code. ConcatenatedCoded.

505 views • 26 slides

Weight enumerators

Weight enumerators. Weight enumerating function (WEF) A ( X ) = ? d A d X d Input-Output weight enumerating function IOWEF A ( W,X,L ) = ? w,d,l A w,d,l W w X d L l Gives the most complete information about weight structure From the IOWEF we can derive other enumerator functions:

407 views • 23 slides

Expected Data Rate (EDR): An Accurate High-Throughput Path Metric For Multi-Hop Wireless Routing

Expected Data Rate (EDR): An Accurate High-Throughput Path Metric For Multi-Hop Wireless Routing. Jun Cheol Park (jcpark@cs.utah.edu) Sneha Kumar Kasera (kasera@cs.utah.edu) School of Computing University of Utah. Multi-hop wireless networks.

364 views • 22 slides

PREQ/PREP Create/Process/Forward

PREQ/PREP Create/Process/Forward. Authors:. Date: 2008-08-28. Path Stability With Rate of Sequence Number (SN) Change. Sequence number (SN) is used to avoid path loop in HWMP. Increasing SN by 1 each time a MP sends a PREQ may change the path frequently.

253 views • 16 slides

PREQ/PREP Create/Process/Forward

PREQ/PREP Create/Process/Forward. Authors:. Date: 2008-08-14. Path Stability With Rate of Sequence Number (SN) Change. Sequence number (SN) is used to avoid path loop in HWMP. Increasing SN by 1 each time a MP sends a PREQ may change the path frequently.

203 views • 13 slides

ROLL WG Omprakash Gnawali and Philip Levis Stanford University 6/16/2010

The Minimum Rank Objective Function with Hysteresis (MRHOF) draft-gnawali-roll-minrank-hysteresis-of-00. ROLL WG Omprakash Gnawali and Philip Levis Stanford University 6/16/2010. RPL and Objective Functions. Objective functions Compute the rank based on metrics

190 views • 7 slides