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Creating Templates to Achieve Low Delay in MultiCarrier FrameBased Wireless Data Systems
 

Summary: Creating Templates to Achieve Low Delay in
Multi­Carrier Frame­Based Wireless Data Systems
Matthew Andrews
Bell Labs, Murray Hill NJ
Email: andrews@research.bell­labs.com
Lisa Zhang
Bell Labs, Murray Hill NJ
Email: ylz@research.bell­labs.com
Abstract--- We consider the problem of creating template­based
schedules for multi­carrier frame­based wireless data systems
such as 802.16 (Wimax). A template consists of an assignment
of carriers to users over a fixed set of time slots. This schedule
can then be repeated multiple times. The aim is to assign the
(time slot, carrier) pairs to the users in such a way that the
service to each user is as smooth as possible. This in turn
ensures that the users experience low delay. A number of elegant
template scheduling algorithms exist for the single­carrier case.
However, the case of multi­carrier systems where the channel
rates can be different on different carriers has received much
less attention. We present a general framework for studying the

  

Source: Andrews, Matthew - Mathematics of Networks and Systems, Mathematical Sciences Research Center, Bell Laboratories

 

Collections: Mathematics; Computer Technologies and Information Sciences