Article thumbnail

Delay bounded packet scheduling of bursty traffic over wireless channels

By Dinesh Rajan, Ashutosh Sabharwal and Behnaam AazhangDinesh Rajan, Ashutosh Sabharwal and Behnaam Aazhang

Abstract

Journal PaperIn this paper, we study minimal power transmission of bursty sources over wireless channels with constraints on mean queuing delay. The power minimizing schedulers adapt power and rate of transmission based on the queue and channel state. We show that packet scheduling based on queue state can be used to trade queuing delay with transmission power, even on additive white Gaussian noise channels. Our extensive simulations show that small increases in average delay can lead to substantial savings in transmission power, thereby providing another avenue for mobile devices to save on battery power. We propose a low-complexity scheduler that has near optimal performance. We also construct a variable rate QAM based transmission scheme to show the benefits of the proposed formulation in a practical communication system. Power optimal schedulers with absolute packet delay constraints are also studied and their performance is evaluated via simulations.Noki

Topics: Traffic regulation, packet scheduling, wireless channels, randomized policies, power control, queuing delay, Traffic regulation, packet scheduling, wireless channels, randomized policies, power control, queuing delay
Year: 2004
DOI identifier: 10.1109/TIT.2003.821989
OAI identifier: oai:scholarship.rice.edu:1911/20228
Download PDF:
Sorry, we are unable to provide the full text but you may find it at the following location(s):
  • http://hdl.handle.net/1911/202... (external link)
  • http://cmc.rice.edu/) (external link)
  • http://dx.doi.org/10.1109/TIT.... (external link)

  • To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.

    Suggested articles