NDLI: Packet aggregation for machine type communications in LTE with random access channel

Content Provider	IEEE Xplore Digital Library
Author	Kaijie Zhou Nikaein, N.
Copyright Year	2013
Description	Author affiliation: EURECOM, Sophia Antipolis, France (Kaijie Zhou; Nikaein, N.)
Abstract	A packet aggregation method is proposed in this paper to lower the packet collision rate when the random access channel is used for machine type communications (MTC) uplink channel access in LTE. With the proposed packet aggregation method, a UE triggers random access when the aggregated packets in the buffer reaches the given threshold. However, this method reduces the packet collision rate at the expense of an extra latency which is used to aggregate certain amount of packets. Therefore, the tradeoff should carefully be selected between packet loss rate reduction and extra channel access latency. In this paper, we derive the packet loss rate and channel access latency as functions of amount of aggregated packets using a Semi-Markov chain model. With the derived results, the optimal amount of aggregated packets which satisfies the packet loss requirement and keeps the latency as small as possible can be found, which is verified through simulations.
Starting Page	262
Ending Page	267
File Size	371641
Page Count	6
File Format	PDF
ISBN	9781467359382
ISSN	15253511
e-ISBN	9781467359399
e-ISBN	9781467359375
DOI	10.1109/WCNC.2013.6554574
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Packet loss Uplink Radiation detectors Wireless communication Indexes Resource management packet aggregation LTE MTC random access
Content Type	Text
Resource Type	Article

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