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                            Library & Multimedia
 Performance Characteristics of an Operational WiMAX Network
NCJ Number
              305477

Author(s)
          Jim Martin;
                        James Westall
Date Published

July 2011
Length
              13 pages
Annotation
              In this paper, the authors examine performance characteristics of an operational WiMAX testbed upon which we were able to conduct controlled experiments in the absence of competing traffic.
Abstract
              The authors characterize latency, throughput, protocol overhead, and the impact of WiMAX on TCP dynamics. They show that scheduling policies and parameter values impact actual performance in ways that are not possible to characterize in generic studies of WiMAX. The term WiMAX is used to refer to a collection of standards, products, and service offerings derived from the IEEE 802.16 family of standards for wireless networks. These standards define physical and MAC layer elements that ensure interoperability of compatible equipment; however, the standards leave both the details of the packet scheduling algorithms and the values of performance-related configuration parameters to the discretion of the equipment vendor or network operator. These algorithms and parameters ultimately determine fundamental performance characteristics such as round-trip latency and sustainable throughput on the network. (Publisher abstract provided)
      
  
          Additional Details
Grant Number(s)
        2006-IJ-CX-K035


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Evaluating IEEE 802.16 Broadband Wireless as a Communications Infrastructure for Public Safety Activities.
    
  
  
Date Published: July 1, 2011
    
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