Performance evaluation of an adaptive semi-persistent LTE packet scheduler for M2M communications
Paper
Afrin, Nusrat, Brown, Jason and Khan, Jamil Y.. 2015. "Performance evaluation of an adaptive semi-persistent LTE packet scheduler for M2M communications
." 2014 8th International Conference on Signal Processing and Communication Systems (ICSPCS 2014). Gold Coast, Australia 15 - 17 Dec 2014 United States. https://doi.org/10.1109/ICSPCS.2014.7021125
| Paper/Presentation Title | Performance evaluation of an adaptive semi-persistent LTE packet scheduler for M2M communications |
|---|---|
| Presentation Type | Paper |
| Authors | Afrin, Nusrat, Brown, Jason and Khan, Jamil Y. |
| Journal or Proceedings Title | Proceedings of the 8th International Conference on Signal Processing and Communication Systems (ICSPCS 2014) |
| Number of Pages | 7 |
| Year | 2015 |
| Place of Publication | United States |
| Digital Object Identifier (DOI) | https://doi.org/10.1109/ICSPCS.2014.7021125 |
| Web Address (URL) of Paper | https://ieeexplore.ieee.org/abstract/document/7021125 |
| Web Address (URL) of Conference Proceedings | https://ieeexplore.ieee.org/xpl/conhome/7008634/proceeding |
| Conference/Event | 2014 8th International Conference on Signal Processing and Communication Systems (ICSPCS 2014) |
| Event Details | 2014 8th International Conference on Signal Processing and Communication Systems (ICSPCS 2014) Parent International Conference on Signal Processing and Communication Systems Delivery In person Event Date 15 to end of 17 Dec 2014 Event Location Gold Coast, Australia |
| Abstract | Large number of M2M devices are anticipated to be operating in future LTE networks which impose several system design challenges and wide range of service requirements. The LTE standard suffers from excess control channel overhead associated with radio resource allocation method for small, sporadic traffic per terminal which is often the nature of M2M communications. The rigid QoS support framework of LTE for limited number of voice and data services also fails to address the specific QoS requirements of M2M traffic classes. In this paper, we propose an adaptive LTE uplink scheduler which allocates radio resources to M2M traffic classes in either dynamic or adaptive semi-persistent manner based upon their traffic patterns and delay requirements. We also transform the concept of semi-persistent scheduling (SPS) implemented for VoIP scheduling in LTE to an adaptive SPS scheme which provides flexibility in allocated resource volume to accommodate changes in traffic dynamics. This new adaptation of SPS is particularly suitable for supporting random bursts of event-based M2M traffic yet has less control channel overhead than the dynamic scheduler. We demonstrate from simulation results that the proposed adaptive scheduler can maximize uplink data capacity by reducing dependency on downlink control channel as well as satisfy the QoS requirements of different M2M traffic classes compared to full dynamic and rigid SPS approaches. |
| Keywords | LTE; M2M; packet delay budget; semi-persistent; dynamic; packet scheduling |
| Contains Sensitive Content | Does not contain sensitive content |
| ANZSRC Field of Research 2020 | 400902. Digital electronic devices |
| Public Notes | The accessible file is the accepted version of the paper. Please refer to the URL for the published version. |
| Byline Affiliations | University of Newcastle |
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