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Abstract
With the demand of uplink data generated by massive machine type communication devices (MTCDs) in LTE-A networks, the traditional radio access and resource allocation schemes are not suitable for IoT applications. Because, comparing to traditional human type communications, the machine type devices need much more access frequency but with much smaller data volume each time. In this paper, we propose the novel random access scheme for MTCDs together with piggyback small data in Msg3 of the random access procedure to improve the uplink data transmission performance. The implicit preamble reservation concept is applied to prevent dense random access so as to increase the access success ratio. The contention-free preambles together with small data are supported for the devices which definitely have data to transmit. Two approaches, Limited Buffer Threshold Algorithm (LBTA) and Limited SCH Capacity Algorithm (LSCA) are proposed and their performance are compared. The simulation results show that the proposed schemes illustrate good performance in transmission delay and effective preamble utilization.
Original language | English |
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Title of host publication | 2019 20th Asia-Pacific Network Operations and Management Symposium |
Subtitle of host publication | Management in a Cyber-Physical World, APNOMS 2019 |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
ISBN (Electronic) | 9784885523205 |
DOIs | |
State | Published - Sep 2019 |
Event | 20th Asia-Pacific Network Operations and Management Symposium, APNOMS 2019 - Matsue, Japan Duration: 18 Sep 2019 → 20 Sep 2019 |
Publication series
Name | 2019 20th Asia-Pacific Network Operations and Management Symposium: Management in a Cyber-Physical World, APNOMS 2019 |
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Conference
Conference | 20th Asia-Pacific Network Operations and Management Symposium, APNOMS 2019 |
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Country/Territory | Japan |
City | Matsue |
Period | 18/09/19 → 20/09/19 |
Keywords
- LTE-A
- Machine Type Communication
- Preambles
- Random Access
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