A packet age based LTE uplink packet scheduler for M2M traffic

Afrin, N; Brown, J; Khan, JY

A packet age based LTE uplink packet scheduler for M2M traffic

Afrin, N Brown, J

Khan, JY

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Publication Type:: Conference Proceeding
Citation:: 2013, 7th International Conference on Signal Processing and Communication Systems, ICSPCS 2013 - Proceedings, 2013
Issue Date:: 2013-01-01

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Field	Value	Language
dc.contributor.author	Afrin, N	en_US
dc.contributor.author	Brown, J https://orcid.org/0000-0002-0698-5758	en_US
dc.contributor.author	Khan, JY	en_US
dc.date.issued	2013-01-01	en_US
dc.identifier.citation	2013, 7th International Conference on Signal Processing and Communication Systems, ICSPCS 2013 - Proceedings, 2013	en_US
dc.identifier.isbn	9781479913190	en_US
dc.identifier.uri	http://hdl.handle.net/10453/120174
dc.description.abstract	M2M applications exhibit a wide variety of QoS requirements, but many, particularly those associated with monitoring and/or control, are delay sensitive and therefore have specific packet delay budgets. One of the issues when supporting such delay sensitive M2M applications over a wide area cellular sta.ndard such as LTE is that the base station scheduling entity cannot precisely ascertain when pending uplink packets at devices were generated. This makes scheduling according to deadlines based upon packet delay budgets very challenging and ultimately involves some degree of error. In this paper, we propose a new delay sensitive scheduler that increases the probability of satisfying the delay budget of packets by exploiting Packet Age (PA) data explicitly reported by devices. The PA is a new MAC Control Element that represents the age of the oldest pending packet in the device buffers and is sent by devices in parallel with the existing Buffer Status Report (BSR) that contains volume and priority data. The overhead associated with the PA MAC control element is extremely small (2 bytes). We demonstrate the performance of the new technique with an OPNET simulation of an LTE TDD system serving event driven delay sensitive M2M traffic, comparing the results when PA reporting is enabled versus disabled for essentially the same uplink scheduling algorithm. © 2013 IEEE.	en_US
dc.relation.ispartof	2013, 7th International Conference on Signal Processing and Communication Systems, ICSPCS 2013 - Proceedings	en_US
dc.relation.isbasedon	10.1109/ICSPCS.2013.6723987	en_US
dc.title	A packet age based LTE uplink packet scheduler for M2M traffic	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US

Abstract:

M2M applications exhibit a wide variety of QoS requirements, but many, particularly those associated with monitoring and/or control, are delay sensitive and therefore have specific packet delay budgets. One of the issues when supporting such delay sensitive M2M applications over a wide area cellular sta.ndard such as LTE is that the base station scheduling entity cannot precisely ascertain when pending uplink packets at devices were generated. This makes scheduling according to deadlines based upon packet delay budgets very challenging and ultimately involves some degree of error. In this paper, we propose a new delay sensitive scheduler that increases the probability of satisfying the delay budget of packets by exploiting Packet Age (PA) data explicitly reported by devices. The PA is a new MAC Control Element that represents the age of the oldest pending packet in the device buffers and is sent by devices in parallel with the existing Buffer Status Report (BSR) that contains volume and priority data. The overhead associated with the PA MAC control element is extremely small (2 bytes). We demonstrate the performance of the new technique with an OPNET simulation of an LTE TDD system serving event driven delay sensitive M2M traffic, comparing the results when PA reporting is enabled versus disabled for essentially the same uplink scheduling algorithm. © 2013 IEEE.

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http://hdl.handle.net/10453/120174